Megatest

Changes On Branch b246d065c3c18924
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Changes In Branch v1.80 Through [b246d065c3] Excluding Merge-Ins

This is equivalent to a diff from abb42df5ef to b246d065c3

2023-08-21
17:44
merged fork check-in: f5b6549716 user: mmgraham tags: v1.80, v1.8017
10:56
changed version to v1.8017 check-in: b246d065c3 user: mmgraham tags: v1.80
10:29
Changed servers to be run under system instead of nbfake to help batch tools detect that the process is still running (untested). check-in: 4fe087efa3 user: matt tags: v1.80
2022-12-02
11:57
new version branch check-in: 6cb6675102 user: mmgraham tags: v1.80
2022-11-23
20:16
Merged in nohomehost since multi-area dashboard will depend on nohomehost Leaf check-in: aac724292e user: matt tags: v1.70-ndboard
2022-11-22
09:06
Turn the handler for opening server info files back on since those files can disappear without warning. Closed-Leaf check-in: abb42df5ef user: matt tags: v1.70-nohomehost
08:59
Some more tweaks and output reduction. Still get crashes due to db lock but system seems to keep going pretty well. This is with 300 tests running on one machine. check-in: 4dcb84418f user: matt tags: v1.70-nohomehost

Modified Makefile from [2a2c13125c] to [8cdb8c3755].

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#     GNU General Public License for more details.
# 
#     You should have received a copy of the GNU General Public License
#     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

# make install CSCOPTS='-accumulate-profile -profile-name $(PWD)/profile-ww$(shell date +%V.%u)'
# rm <files>.o ; make install CSCOPTS='-profile' ; ... ;  chicken-profile | less







SHELL=/bin/bash
PREFIX=$(PWD)
CSCOPTS=
INSTALL=install
SRCFILES = common.scm items.scm launch.scm ods.scm runconfig.scm	\
           server.scm configf.scm db.scm keys.scm margs.scm		\
           process.scm runs.scm tasks.scm tests.scm genexample.scm	\
           http-transport.scm tdb.scm client.scm mt.scm	\
           ezsteps.scm lock-queue.scm rmt.scm api.scm		\
           subrun.scm portlogger.scm archive.scm env.scm		\
           diff-report.scm cgisetup/models/pgdb.scm

# module source files
MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm






all : $(PREFIX)/bin/.$(ARCHSTR) mtest dboard mtut tcmt








# dbmod.import.o is just a hack here



mofiles/dbfile.o     : mofiles/debugprint.o mofiles/commonmod.o dbmod.import.o

db.o : dbmod.import.o



mofiles/debugprint.o : mofiles/mtargs.o


# ftail.scm rmtmod.scm commonmod.scm removed
# MSRCFILES = ducttape-lib.scm pkts.scm stml2.scm cookie.scm mutils.scm	\
#             mtargs.scm commonmod.scm dbmod.scm adjutant.scm ulex.scm	\
#             rmtmod.scm apimod.scm

GUISRCF = dashboard-context-menu.scm dashboard-tests.scm		\







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#     GNU General Public License for more details.
# 
#     You should have received a copy of the GNU General Public License
#     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

# make install CSCOPTS='-accumulate-profile -profile-name $(PWD)/profile-ww$(shell date +%V.%u)'
# rm <files>.o ; make install CSCOPTS='-profile' ; ... ;  chicken-profile | less

all : $(PREFIX)/bin/.$(ARCHSTR) mtest dboard mtut 

recent-commits.csv : .fslckout
	fossil timeline -n 350 -t ci -F "%h,%a,%b,%t,\"%c\"" > recent-commits.csv


SHELL=/bin/bash
PREFIX=$(PWD)
CSCOPTS=
INSTALL=install
SRCFILES = common.scm items.scm launch.scm ods.scm runconfig.scm	\
           server.scm configf.scm db.scm keys.scm		\
           process.scm runs.scm tasks.scm tests.scm genexample.scm	\
           tdb.scm mt.scm	\
           ezsteps.scm rmt.scm api.scm		\
           subrun.scm archive.scm env.scm		\
           diff-report.scm cgisetup/models/pgdb.scm

# module source files
MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm \
            tcp-transportmod.scm rmtmod.scm portlogger.scm

transport-mode.scm : transport-mode.scm.template
	@if [[ -e transport-mode.scm ]];then \
	echo "WARNING: transport-mode.scm.template is newer than transport-mode.scm"; else \
	cp transport-mode.scm.template transport-mode.scm; fi

dashboard-transport-mode.scm : dashboard-transport-mode.scm.template
	@if [[ -e dashboard-transport-mode.scm ]];then \
	echo "WARNING: dashboard-transport-mode.scm.template is newer than dashboard-transport-mode.scm"; else \
	cp dashboard-transport-mode.scm.template dashboard-transport-mode.scm; fi

megatest.scm : transport-mode.scm
dashboard.scm : dashboard-transport-mode.scm

# dbmod.import.o is just a hack here
mofiles/portlogger.o : mofiles/dbmod.o

mofiles/dbfile.o     : \
       mofiles/debugprint.o mofiles/commonmod.o

configf.o : commonmod.import.o
mofiles/dbfile.o : mofiles/debugprint.o
mofiles/rmtmod.o mofiles/dbmod.o : mofiles/dbfile.o mofiles/commonmod.o mofiles/debugprint.o
db.o : mofiles/dbmod.o mofiles/dbfile.o
mofiles/debugprint.o : mofiles/mtargs.o
mofiles/tcp-transportmod.o : mofiles/portlogger.o

# ftail.scm rmtmod.scm commonmod.scm removed
# MSRCFILES = ducttape-lib.scm pkts.scm stml2.scm cookie.scm mutils.scm	\
#             mtargs.scm commonmod.scm dbmod.scm adjutant.scm ulex.scm	\
#             rmtmod.scm apimod.scm

GUISRCF = dashboard-context-menu.scm dashboard-tests.scm		\
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# I'm not sure the cp is a good idea, changed a lot of things and it may not have been necessary...
# mofiles/%.o  %.import.scm : %.scm megatest-fossil-hash.scm
#	@[ -e mofiles ] || mkdir -p mofiles
#	csc $(CSCOPTS) -I mofiles -I $* -J -c $< -o $*.o
#	cp $*.o mofiles/$*.o
#	@touch $*.import.scm # ensure it is touched after the .o is made

mofiles/%.o : %.scm
	mkdir -p mofiles
	csc $(CSCOPTS) -J -c $< -o mofiles/$*.o


ADTLSCR=mt_laststep mt_runstep mt_ezstep
HELPERS=$(addprefix $(PREFIX)/bin/,$(ADTLSCR))
DEPLOYHELPERS=$(addprefix deploytarg/,$(ADTLSCR))
MTESTHASH=$(shell fossil info|grep checkout:| awk '{print $$2}')

ifeq ($(MTESTHASH),)







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# I'm not sure the cp is a good idea, changed a lot of things and it may not have been necessary...
# mofiles/%.o  %.import.scm : %.scm megatest-fossil-hash.scm
#	@[ -e mofiles ] || mkdir -p mofiles
#	csc $(CSCOPTS) -I mofiles -I $* -J -c $< -o $*.o
#	cp $*.o mofiles/$*.o
#	@touch $*.import.scm # ensure it is touched after the .o is made

%.import.scm mofiles/%.o : %.scm
	@mkdir -p mofiles
	csc $(CSCOPTS) -J -c $< -o mofiles/$*.o
	@if [[ -e $*.import.scm ]];then touch $*.import.scm;fi # ensure it is touched after the .o is made

ADTLSCR=mt_laststep mt_runstep mt_ezstep
HELPERS=$(addprefix $(PREFIX)/bin/,$(ADTLSCR))
DEPLOYHELPERS=$(addprefix deploytarg/,$(ADTLSCR))
MTESTHASH=$(shell fossil info|grep checkout:| awk '{print $$2}')

ifeq ($(MTESTHASH),)
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showmtesthash:
	@echo $(MTESTHASH)

dboard : $(OFILES) $(GOFILES) dashboard.scm $(MOFILES) $(MOIMPFILES) megatest-version.scm megatest-fossil-hash.scm
	csc $(CSCOPTS) $(OFILES) dashboard.scm $(GOFILES) $(MOFILES) $(MOIMPFILES) -o dboard

mtut: $(OFILES) $(MOFILES) megatest-fossil-hash.scm mtut.scm megatest-version.scm
	csc $(CSCOPTS) $(OFILES) $(MOFILES) mtut.scm -o mtut

# include makefile.inc

TCMTOBJS = \
	api.o \
	archive.o \
	cgisetup/models/pgdb.o \
	client.o \
	common.o \
	configf.o \
	db.o \
	env.o \
	http-transport.o \
	items.o \
	keys.o \
	launch.o \
	lock-queue.o \
	margs.o \
	mt.o \
	ods.o \
	portlogger.o \
	process.o \
	rmt.o \
	runconfig.o \
	runs.o \
	server.o \
	tasks.o \
	tdb.o \
	tests.o \
	subrun.o \
        ezsteps.o

#        mofiles/rmtmod.o \
#        mofiles/commonmod.o \

tcmt : $(TCMTOBJS) tcmt.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)
	csc $(CSCOPTS) $(TCMTOBJS) $(MOFILES) $(MOIMPFILES) tcmt.scm -o tcmt

# install documentation to $(PREFIX)/docs
# DOES NOT REBUILD DOCS
#
$(PREFIX)/share/docs/megatest_manual.html : docs/manual/megatest_manual.html
	mkdir -p $(PREFIX)/share/docs
	$(INSTALL) docs/manual/megatest_manual.html $(PREFIX)/share/docs/megatest_manual.html







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showmtesthash:
	@echo $(MTESTHASH)

dboard : $(OFILES) $(GOFILES) dashboard.scm $(MOFILES) $(MOIMPFILES) megatest-version.scm megatest-fossil-hash.scm
	csc $(CSCOPTS) $(OFILES) dashboard.scm $(GOFILES) $(MOFILES) $(MOIMPFILES) -o dboard

mtut: $(OFILES) $(MOFILES) $(MOIMPFILES) megatest-fossil-hash.scm mtut.scm megatest-version.scm 
	csc $(CSCOPTS) $(OFILES) $(MOFILES)  $(MOIMPFILES) mtut.scm -o mtut

# include makefile.inc

# TCMTOBJS = \
# 	api.o \
# 	archive.o \
# 	cgisetup/models/pgdb.o \

# 	common.o \
# 	configf.o \
# 	db.o \
# 	env.o \

# 	items.o \
# 	keys.o \
# 	launch.o \

# 	margs.o \
# 	mt.o \
# 	ods.o \

# 	process.o \
# 	rmt.o \
# 	runconfig.o \
# 	runs.o \
# 	server.o \
# 	tasks.o \
# 	tdb.o \
# 	tests.o \
# 	subrun.o \
#         ezsteps.o
# 
# #        mofiles/rmtmod.o \
# #        mofiles/commonmod.o \
# 
# tcmt : $(TCMTOBJS) tcmt.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)
# 	csc $(CSCOPTS) $(TCMTOBJS) $(MOFILES) $(MOIMPFILES) tcmt.scm -o tcmt

# install documentation to $(PREFIX)/docs
# DOES NOT REBUILD DOCS
#
$(PREFIX)/share/docs/megatest_manual.html : docs/manual/megatest_manual.html
	mkdir -p $(PREFIX)/share/docs
	$(INSTALL) docs/manual/megatest_manual.html $(PREFIX)/share/docs/megatest_manual.html
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$(PREFIX)/share/db/mt-pg.sql : mt-pg.sql
	mkdir -p $(PREFIX)/share/db
	$(INSTALL) mt-pg.sql $(PREFIX)/share/db/mt-pg.sql

# Special dependencies for the includes
$(MOFILE) $(MOIMPFILES) : megatest-fossil-hash.scm

mofiles/commonmod.o : megatest-fossil-hash.scm
common.o : mofiles/commonmod.o

# mofiles/dbmod.o : mofiles/configfmod.o

# commonmod.o dashboard.o megatest.o tcmt.o apimod.o : megatest-fossil-hash.scm

tests.o db.o launch.o runs.o dashboard-tests.o				\
dashboard-context-menu.o dashboard-guimonitor.o dashboard-main.o	\
monitor.o dashboard.o archive.o megatest.o : db_records.scm megatest-fossil-hash.scm

tests.o runs.o dashboard.o dashboard-tests.o dashboard-context-menu.o dashboard-main.o  : run_records.scm

db.o ezsteps.o keys.o launch.o megatest.o monitor.o runs-for-ref.o runs.o tests.o : key_records.scm
db.o api.o : mofiles/dbmod.o mofiles/dbfile.o mofiles/debugprint.o mofiles/commonmod.o dbmod.import.o

tests.o tasks.o dashboard-tasks.o : task_records.scm

runs.o : test_records.scm

mofiles-made : $(MOFILES)
	make $(MOIMPFILES)


megatest.o : mofiles-made megatest-fossil-hash.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)

rmt.scm client.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.scm http-transport.scm index-tree.scm items.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tests.scm tree.scm : common_records.scm megatest-version.scm

common_records.scm : altdb.scm

mofiles/dbfile.o : mofiles/commonmod.o

# mofiles/stml2.o : mofiles/cookie.o
# configf.o : mofiles/commonmod.o







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$(PREFIX)/share/db/mt-pg.sql : mt-pg.sql
	mkdir -p $(PREFIX)/share/db
	$(INSTALL) mt-pg.sql $(PREFIX)/share/db/mt-pg.sql

# Special dependencies for the includes
$(MOFILE) $(MOIMPFILES) : megatest-fossil-hash.scm

mofiles/commonmod.o : mofiles/debugprint.o megatest-fossil-hash.scm
common.o : mofiles/commonmod.o

# mofiles/dbmod.o : mofiles/configfmod.o

# commonmod.o dashboard.o megatest.o tcmt.o apimod.o : megatest-fossil-hash.scm

tests.o db.o launch.o runs.o dashboard-tests.o				\
dashboard-context-menu.o dashboard-guimonitor.o dashboard-main.o	\
monitor.o dashboard.o archive.o megatest.o : db_records.scm megatest-fossil-hash.scm

tests.o runs.o dashboard.o dashboard-tests.o dashboard-context-menu.o dashboard-main.o  : run_records.scm

db.o ezsteps.o keys.o launch.o megatest.o monitor.o runs-for-ref.o runs.o tests.o : key_records.scm
db.o api.o : mofiles/dbmod.o mofiles/dbfile.o mofiles/debugprint.o mofiles/commonmod.o dbmod.import.o

tests.o tasks.o dashboard-tasks.o : task_records.scm

runs.o : test_records.scm

# mofiles-made : $(MOFILES)
# 	make $(MOIMPFILES)
# 	touch mofiles-made

megatest.o : megatest-fossil-hash.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)

rmt.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.scm index-tree.scm items.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tests.scm tree.scm : common_records.scm megatest-version.scm

common_records.scm : altdb.scm

mofiles/dbfile.o : mofiles/commonmod.o

# mofiles/stml2.o : mofiles/cookie.o
# configf.o : mofiles/commonmod.o
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$(PREFIX)/bin/mtexec : $(PREFIX)/bin/.$(ARCHSTR)/mtexec utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) mtexec $(PREFIX)/bin/mtexec
	chmod a+x $(PREFIX)/bin/mtexec

# tcmt

$(PREFIX)/bin/.$(ARCHSTR)/tcmt : tcmt
	$(INSTALL) tcmt $(PREFIX)/bin/.$(ARCHSTR)/tcmt

$(PREFIX)/bin/tcmt : $(PREFIX)/bin/.$(ARCHSTR)/tcmt utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) tcmt $(PREFIX)/bin/tcmt
	chmod a+x $(PREFIX)/bin/tcmt

$(PREFIX)/bin/mt_laststep : utils/mt_laststep
	$(INSTALL) $< $@
	chmod a+x $@

$(PREFIX)/bin/mt_runstep : utils/mt_runstep
	$(INSTALL) $< $@







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$(PREFIX)/bin/mtexec : $(PREFIX)/bin/.$(ARCHSTR)/mtexec utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) mtexec $(PREFIX)/bin/mtexec
	chmod a+x $(PREFIX)/bin/mtexec

# tcmt

# $(PREFIX)/bin/.$(ARCHSTR)/tcmt : tcmt
# 	$(INSTALL) tcmt $(PREFIX)/bin/.$(ARCHSTR)/tcmt
# 
# $(PREFIX)/bin/tcmt : $(PREFIX)/bin/.$(ARCHSTR)/tcmt utils/mk_wrapper
# 	utils/mk_wrapper $(PREFIX) tcmt $(PREFIX)/bin/tcmt
# 	chmod a+x $(PREFIX)/bin/tcmt

$(PREFIX)/bin/mt_laststep : utils/mt_laststep
	$(INSTALL) $< $@
	chmod a+x $@

$(PREFIX)/bin/mt_runstep : utils/mt_runstep
	$(INSTALL) $< $@
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	if [[ $(ARCHSTR) == 12.5 ]]; then \
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib; \
	$(INSTALL) lib/libxcb-xlib.so.0 $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0; \
        fi

install : $(PREFIX)/bin/.$(ARCHSTR) $(PREFIX)/bin/.$(ARCHSTR)/mtest $(PREFIX)/bin/megatest \
          $(PREFIX)/bin/.$(ARCHSTR)/dboard $(PREFIX)/bin/dashboard $(HELPERS) $(PREFIX)/bin/nbfake \
          $(PREFIX)/bin/.$(ARCHSTR)/mtexec $(PREFIX)/bin/mtexec $(PREFIX)/bin/serialize-env \
	  $(PREFIX)/bin/nbfind $(PREFIX)/bin/mtrunner $(PREFIX)/bin/viewscreen $(PREFIX)/bin/mt_xterm \
          $(PREFIX)/bin/mt-old-to-new.sh $(PREFIX)/bin/mt-new-to-old.sh \
	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun \
	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun $(PREFIX)/bin/mtutil \
	  $(PREFIX)/bin/tcmt $(PREFIX)/share/db/mt-pg.sql \
          $(PREFIX)/share/js/jquery-3.1.0.slim.min.js \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so.0 \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0

#         $(PREFIX)/bin/.$(ARCHSTR)/ndboard

# $(PREFIX)/bin/newdashboard

$(PREFIX)/bin/.$(ARCHSTR) : 
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib

test: tests/tests.scm







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	if [[ $(ARCHSTR) == 12.5 ]]; then \
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib; \
	$(INSTALL) lib/libxcb-xlib.so.0 $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0; \
        fi

install : $(PREFIX)/bin/.$(ARCHSTR) $(PREFIX)/bin/.$(ARCHSTR)/mtest $(PREFIX)/bin/megatest \
          $(PREFIX)/bin/.$(ARCHSTR)/dboard $(PREFIX)/bin/dashboard $(HELPERS) $(PREFIX)/bin/nbfake \

	  $(PREFIX)/bin/nbfind $(PREFIX)/bin/mtrunner $(PREFIX)/bin/viewscreen $(PREFIX)/bin/mt_xterm \
          $(PREFIX)/bin/mt-old-to-new.sh $(PREFIX)/bin/mt-new-to-old.sh \
	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun \
	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun $(PREFIX)/bin/mtutil \
	  $(PREFIX)/share/db/mt-pg.sql \
          $(PREFIX)/share/js/jquery-3.1.0.slim.min.js \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so.0 \
          $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0 $(PREFIX)/bin/serialize-env

#         $(PREFIX)/bin/.$(ARCHSTR)/ndboard $(PREFIX)/bin/tcmt 
#         $(PREFIX)/bin/.$(ARCHSTR)/mtexec $(PREFIX)/bin/mtexec $(PREFIX)/bin/serialize-env \
# $(PREFIX)/bin/newdashboard

$(PREFIX)/bin/.$(ARCHSTR) : 
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib

test: tests/tests.scm
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	else \
	   echo "(define *use-new-readline* #t)" > readline-fix.scm;\
	fi

altdb.scm :
	echo ";; optional alternate db setup" > altdb.scm
	echo "(define *available-db* (make-hash-table))" >> altdb.scm
	if  csi -ne '(use mysql-client)';then \
           echo "(use mysql-client)(hash-table-set! *available-db* 'mysql #t)" >> altdb.scm; \
	fi
	if csi -ne '(use postgresql)';then \
	   echo "(use postgresql)(hash-table-set! *available-db* 'postgresql #t)" >> altdb.scm;\
	fi







portlogger-example : portlogger-example.scm api.o archive.o client.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o synchash.o tasks.o tdb.o tests.o tree.o
	csc $(CSCOPTS) portlogger-example.scm api.o archive.o client.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o http-transport.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o synchash.o tasks.o tdb.o tests.o tree.o










# create a pdf dot graphviz diagram from notations in rmt.scm
rmt.pdf : rmt.scm
	grep ';;DOT' rmt.scm | sed -e 's/.*;;DOT //' > rmt.dot;dot -Tpdf rmt.dot -o rmt.pdf

buildmanual:
	cd docs/manual && make

wikipage=plan
editwiki:
	cd docs/manual && ../../utils/editwiki $(wikipage)

viewmanual:
	arora docs/manual/megatest_manual.html

targets:
	@grep : Makefile | perl -ne '/^([A-Za-z0-9_-]+):/ && print "$$1\n"'


unit :
	cd tests;make unit







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	else \
	   echo "(define *use-new-readline* #t)" > readline-fix.scm;\
	fi

altdb.scm :
	echo ";; optional alternate db setup" > altdb.scm
	echo "(define *available-db* (make-hash-table))" >> altdb.scm
	if  csi -ne '(use mysql-client)' &> /dev/null;then \
           echo "(use mysql-client)(hash-table-set! *available-db* 'mysql #t)" >> altdb.scm; \
	fi
	if csi -ne '(use postgresql)'&> /dev/null;then \
	   echo "(use postgresql)(hash-table-set! *available-db* 'postgresql #t)" >> altdb.scm;\
	fi
	if  csi -ne '(import mysql-client)'&> /dev/null;then \
           echo "(import mysql-client)(hash-table-set! *available-db* 'mysql #t)" >> altdb.scm; \
	fi
	if csi -ne '(import postgresql)'&> /dev/null;then \
	   echo "(import postgresql)(hash-table-set! *available-db* 'postgresql #t)" >> altdb.scm;\
	fi

# portlogger-example : portlogger-example.scm api.o archive.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o synchash.o tasks.o tdb.o tests.o tree.o
#	csc $(CSCOPTS) portlogger-example.scm api.o archive.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o sync-hash.o tasks.o tdb.o tests.o tree.o

unitdeps.dot : *scm ./utils/plot-uses Makefile
	./utils/plot-uses todot commonmod.import,mtargs.import,mtargs,debugprint *.scm > unitdeps.dot

unitdeps.pdf : unitdeps.dot
	dot unitdeps.dot -Tpdf -o unitdeps.pdf

./utils/plot-uses : utils/plot-uses.scm
	csc utils/plot-uses.scm

# create a pdf dot graphviz diagram from notations in rmt.scm
rmt.pdf : rmt.scm
	grep ';;DOT' rmt.scm | sed -e 's/.*;;DOT //' > rmt.dot;dot -Tpdf rmt.dot -o rmt.pdf

buildmanual:
	cd docs/manual && make








targets:
	@grep : Makefile | perl -ne '/^([A-Za-z0-9_-]+):/ && print "$$1\n"'


unit :
	cd tests;make unit

Modified TODO from [da5eae4898] to [14d60a1c73].

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# 
#     You should have received a copy of the GNU General Public License
#     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

TODO
====







WW15
. fill newview matrix with data, filter pipeline gui elements
. improve [script], especially indent handling

WW16
. split db into megatest.db (runs etc.) db/<something>.db
. release basic newview implementation







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# 
#     You should have received a copy of the GNU General Public License
#     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

TODO
====

23WW21
. Dashboard needs its own cache db in /tmp

23WW07
. Remove use of *dbstruct-dbs*

WW15
. fill newview matrix with data, filter pipeline gui elements
. improve [script], especially indent handling

WW16
. split db into megatest.db (runs etc.) db/<something>.db
. release basic newview implementation

Modified api.scm from [e629c948c8] to [c477d1f287].

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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(use srfi-69 posix)

(declare (unit api))
(declare (uses rmt))
(declare (uses db))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses tasks))



(import dbmod)
(import dbfile)









;; allow these queries through without starting a server
;;
(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
    get-key-vals
    test-toplevel-num-items
    get-test-info-by-id

    get-steps-info-by-id
    get-data-info-by-id
    test-get-rundir-from-test-id
    get-count-tests-running-for-testname
    get-count-tests-running
    get-count-tests-running-in-jobgroup
    get-previous-test-run-record
    get-matching-previous-test-run-records
    test-get-logfile-info
    test-get-records-for-index-file
    get-testinfo-state-status
    test-get-top-process-pid
    test-get-paths-matching-keynames-target-new
    get-prereqs-not-met
    get-count-tests-running-for-run-id
    get-run-info
    get-run-status
    get-run-state
    get-run-stats
    get-run-times
    get-targets
    get-target
    ;; register-run
    get-tests-tags
    get-test-times
    get-tests-for-run
    get-tests-for-run-state-status
    get-test-id
    get-tests-for-runs-mindata
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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================


(declare (unit api))
(declare (uses db))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses tasks))
(declare (uses tcp-transportmod))

(import commonmod)
(import dbmod)
(import dbfile)
(import debugprint)
(import tcp-transportmod)

(use srfi-69
     srfi-18
     posix
     matchable
     s11n)

;; allow these queries through without starting a server
;;
(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
    get-key-vals
    test-toplevel-num-items
    get-test-info-by-id
    get-test-state-status-by-id
    get-steps-info-by-id
    get-data-info-by-id
    test-get-rundir-from-test-id
    get-count-tests-running-for-testname
    get-count-tests-running
    get-count-tests-running-in-jobgroup
    get-previous-test-run-record
    get-matching-previous-test-run-records
    test-get-logfile-info
    test-get-records-for-index-file
    get-testinfo-state-status
    test-get-top-process-pid
    test-get-paths-matching-keynames-target-new
    get-prereqs-not-met
    get-count-tests-running-for-run-id
    get-run-info
    get-run-status
    get-run-state
    get-run-stats
    get-run-times
    get-target
    get-targets
    ;; register-run
    get-tests-tags
    get-test-times
    get-tests-for-run
    get-tests-for-run-state-status
    get-test-id
    get-tests-for-runs-mindata
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    get-steps-for-test
    read-test-data
    read-test-data-varpatt
    login
    tasks-get-last
    testmeta-get-record
    have-incompletes?

    ;; synchash-get
    get-changed-record-ids

    get-run-record-ids 
    get-not-completed-cnt))

(define api:write-queries
  '(
    get-keys-write ;; dummy "write" query to force server start








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    get-steps-for-test
    read-test-data
    read-test-data-varpatt
    login
    tasks-get-last
    testmeta-get-record
    have-incompletes?
    get-changed-record-ids
    get-all-runids
    get-changed-record-test-ids
    get-changed-record-run-ids
    get-run-record-ids 
    get-not-completed-cnt))

(define api:write-queries
  '(
    get-keys-write ;; dummy "write" query to force server start

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    teststep-set-status!
    delete-steps-for-test
    ;; TEST DATA
    test-data-rollup
    csv->test-data

    ;; MISC
    sync-inmem->db
    drop-all-triggers
    create-all-triggers
    update-tesdata-on-repilcate-db 

    ;; TESTMETA
    testmeta-add-record
    testmeta-update-field

    ;; TASKS
    tasks-add
    tasks-set-state-given-param-key
    ))

(define *db-write-mutexes* (make-hash-table))

;; These are called by the server on recipt of /api calls
;;    - keep it simple, only return the actual result of the call, i.e. no meta info here
;;
;;    - returns #( flag result )
;;
(define (api:execute-requests dbstruct dat)





  (db:open-no-sync-db) ;; sets *no-sync-db*
;;   (handle-exceptions


;;    exn
;;    (let ((call-chain (get-call-chain)))
















;;      (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an exception from peer, dat=" dat ", exn=" exn)
























;;      (print-call-chain (current-error-port))


;;      (debug:print 0 *default-log-port* " message: "  ((condition-property-accessor 'exn 'message) exn))       
  ;;      (vector #f (vector exn call-chain dat))) ;; return some stuff for debug if an exception happens
  (if (> *api-process-request-count* 200)
      (begin
	(if (common:low-noise-print 30 "too many threads")



	    (debug:print 0 *default-log-port* "WARNING: "*api-process-request-count*" threads, potential overload, adding 0.5 sec delay."))
	(thread-sleep! 0.5) ;; take a nap


	))


   (cond

    ((not (vector? dat))                    ;; it is an error to not receive a vector
     (vector #f (vector #f "remote must be called with a vector")))



    #;((> *api-process-request-count* 200) ;; 20)
     (debug:print 0 *default-log-port* "WARNING: api:execute-requests received an overloaded message.")


     (set! *server-overloaded* #t)
     (vector #f (vector #f 'overloaded))) ;; the inner vector is what gets returned. nope, don't know why. please refactor!




















    (else  
     (let* ((cmd-in            (vector-ref dat 0))



            (cmd               (if (symbol? cmd-in)
				   cmd-in



				   (string->symbol cmd-in)))

            (params            (vector-ref dat 1))

	    (run-id            (if (null? params)
				   0










				   (car params)))



	    (write-mutex       (if (hash-table-exists? *db-write-mutexes* run-id)



				   (hash-table-ref *db-write-mutexes* run-id)

				   (let* ((newmutex (make-mutex)))




				     (hash-table-set! *db-write-mutexes* run-id newmutex)

				     newmutex)))






            (start-t           (current-milliseconds))



            (readonly-mode     (dbr:dbstruct-read-only dbstruct))
            (readonly-command  (member cmd api:read-only-queries))
            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command))))

       (if (not readonly-command)
	   (mutex-lock! write-mutex))
       (let* ((res    
               (if writecmd-in-readonly-mode
                   (conc "attempt to run write command "cmd" on a read-only database")

                   (case cmd
                     ;;===============================================
                     ;; READ/WRITE QUERIES
                     ;;===============================================

                     ((get-keys-write)                        (db:get-keys dbstruct)) ;; force a dummy "write" query to force server; for debug in -repl
                     
                     ;; SERVERS
                     ((start-server)                    (apply server:kind-run params))
                     ((kill-server)                     (set! *server-run* #f))

                     ;; TESTS

                     ;;((test-set-state-status-by-id)     (apply mt:test-set-state-status-by-id dbstruct params))
                     ;;BB - commented out above because it was calling below, eventually, incorrectly (dbstruct passed to mt:test-set-state-status-by-id, which previosly did more, but now only passes thru to db:set-state-status-and-roll-up-items.
                     ((test-set-state-status-by-id)

                      ;; (define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
                      (db:set-state-status-and-roll-up-items
                       dbstruct
                       (list-ref params 0) ; run-id
                       (list-ref params 1) ; test-name
                       #f                  ; item-path
                       (list-ref params 2) ; state
                       (list-ref params 3) ; status
                       (list-ref params 4) ; comment
                       ))
                     
                     ((delete-test-records)             (apply db:delete-test-records dbstruct params))
                     ((delete-old-deleted-test-records) (apply db:delete-old-deleted-test-records dbstruct params))
                     ((test-set-state-status)           (apply db:test-set-state-status dbstruct params))
                     ((test-set-top-process-pid)        (apply db:test-set-top-process-pid dbstruct params))
                     ((set-state-status-and-roll-up-items) (apply db:set-state-status-and-roll-up-items dbstruct params))
                     ((set-state-status-and-roll-up-run) (apply db:set-state-status-and-roll-up-run dbstruct params)) 
                     ((top-test-set-per-pf-counts)      (apply db:top-test-set-per-pf-counts dbstruct params))
                     ((test-set-archive-block-id)       (apply db:test-set-archive-block-id dbstruct params))



                     ;; RUNS
                     ((register-run)                 (apply db:register-run dbstruct params))
                     ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
                     ((delete-run)                   (apply db:delete-run dbstruct params))
                     ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
                     ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
                     ((update-run-stats)             (apply db:update-run-stats dbstruct params))
                     ((set-var)                      (apply db:set-var dbstruct params))
                     ((inc-var)                      (apply db:inc-var dbstruct params))
		     ((dec-var)                      (apply db:dec-var dbstruct params))
                     ((del-var)                      (apply db:del-var dbstruct params))
		     ((add-var)                      (apply db:add-var dbstruct params))



                     ;; STEPS
                     ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
                     ((delete-steps-for-test!)       (apply db:delete-steps-for-test! dbstruct params))
                     
                     ;; TEST DATA
                     ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
                     ((csv->test-data)               (apply db:csv->test-data dbstruct params))

                     ;; MISC
                     ((sync-inmem->db)               (let ((run-id (car params)))
                                                       (db:sync-touched dbstruct run-id db:initialize-main-db force-sync: #t)))


                     ((mark-incomplete)              (apply db:find-and-mark-incomplete dbstruct params))

                     ((create-all-triggers)          (db:create-all-triggers dbstruct))
                     ((drop-all-triggers)            (db:drop-all-triggers dbstruct)) 

                     ;; TESTMETA
                     ((testmeta-add-record)       (apply db:testmeta-add-record dbstruct params))
                     ((testmeta-update-field)     (apply db:testmeta-update-field dbstruct params))
                     ((get-tests-tags)            (db:get-tests-tags dbstruct))

                     ;; TASKS
                     ((tasks-add)                 (apply tasks:add dbstruct params))   
                     ((tasks-set-state-given-param-key) (apply tasks:set-state-given-param-key dbstruct params))
                     ((tasks-get-last)            (apply tasks:get-last dbstruct params))

		     ;; NO SYNC DB
		     ((no-sync-set)               (apply db:no-sync-set         *no-sync-db* params))
		     ((no-sync-get/default)       (apply db:no-sync-get/default *no-sync-db* params))
		     ((no-sync-del!)              (apply db:no-sync-del!        *no-sync-db* params))
		     ((no-sync-get-lock)          (apply db:no-sync-get-lock    *no-sync-db* params))
		     
                     ;; ARCHIVES
                     ;; ((archive-get-allocations)   
                     ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
                     ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
                     ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))

                     ;;======================================================================
                     ;; READ ONLY QUERIES
                     ;;======================================================================

                     ;; KEYS
                     ((get-key-val-pairs)               (apply db:get-key-val-pairs dbstruct params))
                     ((get-keys)                        (db:get-keys dbstruct))
                     ((get-key-vals)                    (apply db:get-key-vals dbstruct params))
                     ((get-target)                      (apply db:get-target dbstruct params))
                     ((get-targets)                     (db:get-targets dbstruct))

                     ;; ARCHIVES
                     ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
                     
                     ;; TESTS
                     ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
                     ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))

                     ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
                     ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
                     ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
                     ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
                     ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
                     ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
                     ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))
                     ((test-get-logfile-info)           (apply db:test-get-logfile-info dbstruct params))
                     ((test-get-records-for-index-file)  (apply db:test-get-records-for-index-file dbstruct params))
                     ((get-testinfo-state-status)       (apply db:get-testinfo-state-status dbstruct params))
                     ((test-get-top-process-pid)        (apply db:test-get-top-process-pid dbstruct params))
                     ((test-get-paths-matching-keynames-target-new) (apply db:test-get-paths-matching-keynames-target-new dbstruct params))
                     ((get-prereqs-not-met)             (apply db:get-prereqs-not-met dbstruct params))
                     ((get-count-tests-running-for-run-id) (apply db:get-count-tests-running-for-run-id dbstruct params))
                     ((get-not-completed-cnt)           (apply db:get-not-completed-cnt  dbstruct params)) 
                     ;; ((synchash-get)                    (apply synchash:server-get dbstruct params))
                     ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
		     ((get-test-times)                  (apply db:get-test-times dbstruct params))

                     ;; RUNS
                     ((get-run-info)                 (apply db:get-run-info dbstruct params))
                     ((get-run-status)               (apply db:get-run-status dbstruct params))
                     ((get-run-state)                (apply db:get-run-state dbstruct params))

                     ((set-run-status)               (apply db:set-run-status dbstruct params))
                     ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
                     ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
                     ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
                     ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
                     ((get-test-id)                  (apply db:get-test-id dbstruct params))
                     ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))
                     ;; ((get-tests-for-runs-mindata)   (apply db:get-tests-for-runs-mindata dbstruct params))
                     ((get-runs)                     (apply db:get-runs dbstruct params))
                     ((simple-get-runs)              (apply db:simple-get-runs dbstruct params))
                     ((get-num-runs)                 (apply db:get-num-runs dbstruct params))
                     ((get-runs-cnt-by-patt)         (apply db:get-runs-cnt-by-patt dbstruct params))
                     ((get-all-run-ids)              (db:get-all-run-ids dbstruct))
                     ((get-prev-run-ids)             (apply db:get-prev-run-ids dbstruct params))
                     ((get-run-ids-matching-target)  (apply db:get-run-ids-matching-target dbstruct params))
                     ((get-runs-by-patt)             (apply db:get-runs-by-patt dbstruct params))
                     ((get-run-name-from-id)         (apply db:get-run-name-from-id dbstruct params))
                     ((get-main-run-stats)           (apply db:get-main-run-stats dbstruct params))
                     ((get-var)                      (apply db:get-var dbstruct params))
                     ((get-run-stats)                (apply db:get-run-stats dbstruct params))
                     ((get-run-times)                (apply db:get-run-times dbstruct params)) 

                     ;; STEPS
                     ((get-steps-data)               (apply db:get-steps-data dbstruct params))
                     ((get-steps-for-test)           (apply db:get-steps-for-test dbstruct params))
		     ((get-steps-info-by-id)         (apply db:get-steps-info-by-id dbstruct params))

                     ;; TEST DATA
                     ((read-test-data)               (apply db:read-test-data dbstruct params))
                     ((read-test-data-varpatt)       (apply db:read-test-data-varpatt dbstruct params))
                     ((get-data-info-by-id)          (apply db:get-data-info-by-id dbstruct params)) 

                     ;; MISC
                     ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
                     ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
                     ((login)                        (apply db:login dbstruct params))
                     ((general-call)                 (let ((stmtname   (car params))
                                                           (run-id     (cadr params))
                                                           (realparams (cddr params)))
                                                       (db:general-call dbstruct run-id stmtname realparams)))
                     ((sdb-qry)                      (apply sdb:qry params))
                     ((ping)                         (current-process-id))
		     ((get-changed-record-ids)       (apply db:get-changed-record-ids dbstruct params))


		     ((get-run-record-ids) 	   (apply db:get-run-record-ids dbstruct params))	

                     ;; TESTMETA
                     ((testmeta-get-record)       (apply db:testmeta-get-record dbstruct params))

                     ;; TASKS 
                     ((find-task-queue-records)   (apply tasks:find-task-queue-records dbstruct params))
		     (else
		      (debug:print 0 *default-log-port* "ERROR: bad api call " cmd)
		      (conc "ERROR: BAD api call " cmd))))))
	 (if (not readonly-command)
	     (mutex-unlock! write-mutex))
	 
	 ;; save all stats
	 (let ((delta-t (- (current-milliseconds)
			   start-t))
	       (modified-cmd (if (eq? cmd 'general-call)
				 (string->symbol (conc "general-call-" (car params)))
				 cmd)))
	   (hash-table-set! *db-api-call-time* modified-cmd
			    (cons delta-t (hash-table-ref/default *db-api-call-time* modified-cmd '()))))
	 (if writecmd-in-readonly-mode
             (begin
               #;(common:telemetry-log (conc "api-out:"(->string cmd))
               payload: `((params . ,params)
               (ok-res . #t)))
	       (vector #f res))
             (begin
               #;(common:telemetry-log (conc "api-out:"(->string cmd))
               payload: `((params . ,params)
               (ok-res . #f)))
               (vector #t res))))))))

;; http-server  send-response
;;                 api:process-request
;;                    db:*
;;
;; NB// Runs on the server as part of the server loop
;;







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    teststep-set-status!
    delete-steps-for-test
    ;; TEST DATA
    test-data-rollup
    csv->test-data

    ;; MISC
    sync-cachedb->db
    drop-all-triggers
    create-all-triggers
    update-tesdata-on-repilcate-db 

    ;; TESTMETA
    testmeta-add-record
    testmeta-update-field

    ;; TASKS
    tasks-add
    tasks-set-state-given-param-key
    ))

(define *db-write-mutexes* (make-hash-table))
(define *server-signature* #f)
;; ;; These are called by the server on recipt of /api calls
;; ;;    - keep it simple, only return the actual result of the call, i.e. no meta info here
;; ;;
;; ;;    - returns #( flag result )
;; ;;
;; (define (api:execute-requests dbstruct dat)
;;   (if (> *api-process-request-count* 50)
;;       (begin
;; 	(if (common:low-noise-print 30 "too many threads")
;; 	    (debug:print 0 *default-log-port* "WARNING: "*api-process-request-count*" threads, potential overload, adding 0.5 sec delay."))
;; 	;; (thread-sleep! 0.5) ;; take a nap - no, the napping is moved to the clients via tt:backoff-incr
;; 	))
;;   (cond
;;    ((not (vector? dat))                    ;; it is an error to not receive a vector
;;     (vector #f (vector #f "remote must be called with a vector")))
;;    (else  
;;     (let* ((cmd-in            (vector-ref dat 0))
;;            (cmd               (if (symbol? cmd-in)
;; 				  cmd-in
;; 				  (string->symbol cmd-in)))
;;            (params            (vector-ref dat 1))
;; 	   (run-id            (if (null? params)
;; 				  0
;; 				  (car params)))
;; 	   (write-mutex       (if (hash-table-exists? *db-write-mutexes* run-id)
;; 				  (hash-table-ref *db-write-mutexes* run-id)
;; 				  (let* ((newmutex (make-mutex)))
;; 				    (hash-table-set! *db-write-mutexes* run-id newmutex)
;; 				    newmutex)))
;;            (start-t           (current-milliseconds))
;;            (readonly-mode     (dbr:dbstruct-read-only dbstruct))
;;            (readonly-command  (member cmd api:read-only-queries))
;;            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command))))
;;       (if (not readonly-command)
;; 	  (mutex-lock! write-mutex))
;;       (let* ((tmppath    (dbr:dbstruct-tmppath  dbstruct))
;; 	     (clean-run-id (cond
;; 			    ((number? run-id)   run-id)
;; 			    ((equal? run-id #f) "main")
;; 			    (else               "other")))
;; 	     (crumbfile  (dbfile:wait-for-qif tmppath clean-run-id (cons cmd params)))
;; 	     (res    
;;               (if writecmd-in-readonly-mode
;;                   (conc "attempt to run write command "cmd" on a read-only database")
;; 		  (api:dispatch-request dbstruct cmd run-id params))))
;; 	(delete-file* crumbfile)
;; 	(if (not readonly-command)
;; 	    (mutex-unlock! write-mutex))
;; 	
;; 	;; save all stats
;; 	(let ((delta-t (- (current-milliseconds)
;; 			  start-t))
;; 	      (modified-cmd (if (eq? cmd 'general-call)
;; 				(string->symbol (conc "general-call-" (car params)))
;; 				cmd)))
;; 	  (hash-table-set! *db-api-call-time* modified-cmd
;; 			   (cons delta-t (hash-table-ref/default *db-api-call-time* modified-cmd '()))))
;; 	(if writecmd-in-readonly-mode
;;             (begin
;;               #;(common:telemetry-log (conc "api-out:"(->string cmd))
;;               payload: `((params . ,params)
;;               (ok-res . #t)))
;; 	      (vector #f res))

;;             (begin
;;               #;(common:telemetry-log (conc "api-out:"(->string cmd))
;;               payload: `((params . ,params)
;;               (ok-res . #f)))
;;               (vector #t res))))))))

(define *api-threads* '())
(define (api:register-thread th-in)
  (set! *api-threads* (cons (cons th-in (current-seconds)) *api-threads*)))

(define (api:unregister-thread th-in)
  (set! *api-threads* (filter (lambda (thdat)
				(not (eq? th-in (car thdat))))
			      *api-threads*)))


(define (api:remove-dead-or-terminated)
  (set! *api-threads* (filter (lambda (thdat)
				(not (member (thread-state (car thdat)) '(terminated dead))))
			      *api-threads*)))

(define (api:get-count-threads-alive)
  (length *api-threads*))
  

;; indat is (cmd run-id params meta)
;;
;; WARNING: Do not print anything in the lambda of this function as it
;;          reads/writes to current in/out port
;;
(define (api:tcp-dispatch-request-make-handler dbstruct) ;; cmd run-id params)
  (assert *toppath* "FATAL: api:tcp-dispatch-request-make-handler called but *toppath* not set.")
  (if (not *server-signature*)
      (set! *server-signature* (tt:mk-signature *toppath*)))
  (lambda (indat)
    (api:register-thread (current-thread))
    (let* (;; (indat      (deserialize))
	   (newcount   (+ *api-process-request-count* 1))
	   (numthreads (api:get-count-threads-alive))
	   (delay-wait (if (> newcount 10)
			   (- newcount 10)
			   0))
	   (normal-proc (lambda (cmd run-id params)
			  (case cmd
			    ((ping) *server-signature*)
			    (else

			     (api:dispatch-request dbstruct cmd run-id params))))))
      (set! *api-process-request-count* newcount)
      (set! *db-last-access* (current-seconds))
      (if (not (eq? newcount numthreads))
	  (begin
	    (api:remove-dead-or-terminated)
	    (let ((threads-now (api:get-count-threads-alive)))
	      (debug:print 0 *default-log-port* "WARNING: newcount="newcount", numthreads="numthreads", remaining="threads-now)
	      (set! newcount threads-now))))
      (match indat
	((cmd run-id params meta)
	 (let* ((db-ok  (let* ((dbfname (dbmod:run-id->dbfname run-id))
			       (ok      (equal? dbfname (dbr:dbstruct-dbfname dbstruct))))

			  (case cmd
			    ((ping) #t) ;; we are fine
			    (else
			     (if (not ok)(debug:print 0 *default-log-port* "ERROR: "cmd", run-id "run-id", not correct for dbfname "(dbr:dbstruct-dbfname dbstruct)))
			     (assert ok "FATAL: database file and run-id not aligned.")))))
		(ttdat   *server-info*)
		(server-state (tt-state ttdat))
		(status  (cond
			  ((> newcount 3) 'busy)
			  ;; ((> newcount 5) 'loaded) ;; this gets transmitted to the client which calls tt:backoff-incr to slow stuff down.
			  (else 'ok)))
		(errmsg  (case status
			   ((busy)   (conc "Server overloaded, "newcount" threads in flight"))
			   ((loaded) (conc "Server loaded, "newcount" threads in flight"))
			   (else     #f)))
		(result  (case status
			   ((busy)
			    (if (eq? cmd 'ping)
				(normal-proc cmd run-id params)
				;; newcount must be greater than 5 for busy
				(* 1 (- newcount 3)) ;; was 15
				)) ;; (- newcount 29)) ;; call back in as many seconds
			   ((loaded)
;; 			    (if (eq? (rmt:transport-mode) 'tcp)
;; 				(thread-sleep! 0.5))
			    (normal-proc cmd run-id params))
			   (else
			    (normal-proc cmd run-id params))))
		(meta   (case cmd
			  ((ping) `((sstate . ,server-state)))
			  (else   `((wait . ,delay-wait)))))
		(payload (list status errmsg result meta)))
	   (set! *api-process-request-count* (- *api-process-request-count* 1))
	   ;; (serialize payload)
	   (api:unregister-thread (current-thread))
	   payload))
	(else
	 (assert #f "FATAL: failed to deserialize indat "indat))))))
       


(define (api:dispatch-request dbstruct cmd run-id params)
  (if (not *no-sync-db*)




      (db:open-no-sync-db))
  (case cmd
    ;;===============================================
    ;; READ/WRITE QUERIES
    ;;===============================================

    ((get-keys-write)                        (db:get-keys dbstruct)) ;; force a dummy "write" query to force server; for debug in -repl
    
    ;; SERVERS
    ((start-server)                    (apply server:kind-run params))
    ((kill-server)                     (set! *server-run* #f))

    ;; TESTS

    ;;((test-set-state-status-by-id)     (apply mt:test-set-state-status-by-id dbstruct params))
    ;;BB - commented out above because it was calling below, eventually, incorrectly (dbstruct passed to mt:test-set-state-status-by-id, which previosly did more, but now only passes thru to db:set-state-status-and-roll-up-items.
    ((test-set-state-status-by-id)

     ;; (define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
     (db:set-state-status-and-roll-up-items
      dbstruct
      (list-ref params 0) ; run-id
      (list-ref params 1) ; test-name
      #f                  ; item-path
      (list-ref params 2) ; state
      (list-ref params 3) ; status
      (list-ref params 4) ; comment
      ))
    
    ((delete-test-records)             (apply db:delete-test-records dbstruct params))
    ((delete-old-deleted-test-records) (apply db:delete-old-deleted-test-records dbstruct params))
    ((test-set-state-status)           (apply db:test-set-state-status dbstruct params))
    ((test-set-top-process-pid)        (apply db:test-set-top-process-pid dbstruct params))
    ((set-state-status-and-roll-up-items) (apply db:set-state-status-and-roll-up-items dbstruct params))
    ((set-state-status-and-roll-up-run) (apply db:set-state-status-and-roll-up-run dbstruct params)) 
    ((top-test-set-per-pf-counts)       (apply db:top-test-set-per-pf-counts dbstruct params))
    ((test-set-archive-block-id)        (apply db:test-set-archive-block-id dbstruct params))

    ((insert-test)                      (db:insert-test dbstruct run-id params))

    ;; RUNS
    ((register-run)                 (apply db:register-run dbstruct params))
    ((set-tests-state-status)       (apply db:set-tests-state-status dbstruct params))
    ((delete-run)                   (apply db:delete-run dbstruct params))
    ((lock/unlock-run)              (apply db:lock/unlock-run dbstruct params))
    ((update-run-event_time)        (apply db:update-run-event_time dbstruct params))
    ((update-run-stats)             (apply db:update-run-stats dbstruct params))
    ((set-var)                      (apply db:set-var dbstruct params))
    ((inc-var)                      (apply db:inc-var dbstruct params))
    ((dec-var)                      (apply db:dec-var dbstruct params))
    ((del-var)                      (apply db:del-var dbstruct params))
    ((add-var)                      (apply db:add-var dbstruct params))

    ((insert-run)                   (apply db:insert-run dbstruct params))

    ;; STEPS
    ((teststep-set-status!)         (apply db:teststep-set-status! dbstruct params))
    ((delete-steps-for-test!)       (apply db:delete-steps-for-test! dbstruct params))
    
    ;; TEST DATA
    ((test-data-rollup)             (apply db:test-data-rollup dbstruct params))
    ((csv->test-data)               (apply db:csv->test-data dbstruct params))

    ;; MISC
    ((sync-cachedb->db)               (let ((run-id (car params)))
                                      (db:sync-touched dbstruct run-id db:initialize-main-db force-sync: #t)))
    ((get-toplevels-and-incompletes) (apply db:get-toplevels-and-incompletes dbstruct params))
    ((mark-incomplete)              #f);;(thread-start! (make-thread (lambda () ;; no need to block on this one
					;;			  (apply db:find-and-mark-incomplete dbstruct params)
					;;			  #t)))) 
    ((create-all-triggers)          (db:create-all-triggers dbstruct))
    ((drop-all-triggers)            (db:drop-all-triggers dbstruct)) 

    ;; TESTMETA
    ((testmeta-add-record)       (apply db:testmeta-add-record dbstruct params))
    ((testmeta-update-field)     (apply db:testmeta-update-field dbstruct params))
    ((get-tests-tags)            (db:get-tests-tags dbstruct))

    ;; TASKS
    ((tasks-add)                 (apply tasks:add dbstruct params))   
    ((tasks-set-state-given-param-key) (apply tasks:set-state-given-param-key dbstruct params))
    ((tasks-get-last)            (apply tasks:get-last dbstruct params))

    ;; NO SYNC DB
    ((no-sync-set)               (apply db:no-sync-set         *no-sync-db* params))
    ((no-sync-get/default)       (apply db:no-sync-get/default *no-sync-db* params))
    ((no-sync-del!)              (apply db:no-sync-del!        *no-sync-db* params))
    ((no-sync-get-lock)          (apply db:no-sync-get-lock    *no-sync-db* params))
    
    ;; ARCHIVES
    ;; ((archive-get-allocations)   
    ((archive-register-disk)     (apply db:archive-register-disk dbstruct params))
    ((archive-register-block-name)(apply db:archive-register-block-name dbstruct params))
    ;; ((archive-allocate-testsuite/area-to-block)(apply db:archive-allocate-testsuite/area-to-block dbstruct block-id testsuite-name areakey))

    ;;======================================================================
    ;; READ ONLY QUERIES
    ;;======================================================================

    ;; KEYS
    ((get-key-val-pairs)               (apply db:get-key-val-pairs dbstruct params))
    ((get-keys)                        (db:get-keys dbstruct))
    ((get-key-vals)                    (apply db:get-key-vals dbstruct params))
    ((get-target)                      (apply db:get-target dbstruct params))
    ((get-targets)                     (db:get-targets dbstruct))

    ;; ARCHIVES
    ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
    
    ;; TESTS
    ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
    ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))
    ((get-test-state-status-by-id)     (apply db:get-test-state-status-by-id dbstruct params))
    ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
    ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
    ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
    ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
    ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
    ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
    ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))
    ((test-get-logfile-info)           (apply db:test-get-logfile-info dbstruct params))
    ((test-get-records-for-index-file)  (apply db:test-get-records-for-index-file dbstruct params))
    ((get-testinfo-state-status)       (apply db:get-testinfo-state-status dbstruct params))
    ((test-get-top-process-pid)        (apply db:test-get-top-process-pid dbstruct params))
    ((test-get-paths-matching-keynames-target-new) (apply db:test-get-paths-matching-keynames-target-new dbstruct params))
    ((get-prereqs-not-met)             (apply db:get-prereqs-not-met dbstruct params))
    ((get-count-tests-running-for-run-id) (apply db:get-count-tests-running-for-run-id dbstruct params))
    ((get-not-completed-cnt)           (apply db:get-not-completed-cnt  dbstruct params)) 

    ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
    ((get-test-times)                  (apply db:get-test-times dbstruct params))

    ;; RUNS
    ((get-run-info)                 (apply db:get-run-info dbstruct params))
    ((get-run-status)               (apply db:get-run-status dbstruct params))
    ((get-run-state)                (apply db:get-run-state dbstruct params))
    ((get-run-state-status)         (apply db:get-run-state-status dbstruct params))
    ((set-run-status)               (apply db:set-run-status dbstruct params))
    ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
    ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
    ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
    ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
    ((get-test-id)                  (apply db:get-test-id dbstruct params))
    ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))
    ;; ((get-tests-for-runs-mindata)   (apply db:get-tests-for-runs-mindata dbstruct params))
    ((get-runs)                     (apply db:get-runs dbstruct params))
    ((simple-get-runs)              (apply db:simple-get-runs dbstruct params))
    ((get-num-runs)                 (apply db:get-num-runs dbstruct params))
    ((get-runs-cnt-by-patt)         (apply db:get-runs-cnt-by-patt dbstruct params))
    ((get-all-run-ids)              (db:get-all-run-ids dbstruct))
    ((get-prev-run-ids)             (apply db:get-prev-run-ids dbstruct params))
    ((get-run-ids-matching-target)  (apply db:get-run-ids-matching-target dbstruct params))
    ((get-runs-by-patt)             (apply db:get-runs-by-patt dbstruct params))
    ((get-run-name-from-id)         (apply db:get-run-name-from-id dbstruct params))
    ((get-main-run-stats)           (apply db:get-main-run-stats dbstruct params))
    ((get-var)                      (apply db:get-var dbstruct params))
    ((get-run-stats)                (apply db:get-run-stats dbstruct params))
    ((get-run-times)                (apply db:get-run-times dbstruct params)) 

    ;; STEPS
    ((get-steps-data)               (apply db:get-steps-data dbstruct params))
    ((get-steps-for-test)           (apply db:get-steps-for-test dbstruct params))
    ((get-steps-info-by-id)         (apply db:get-steps-info-by-id dbstruct params))

    ;; TEST DATA
    ((read-test-data)               (apply db:read-test-data dbstruct params))
    ((read-test-data-varpatt)       (apply db:read-test-data-varpatt dbstruct params))
    ((get-data-info-by-id)          (apply db:get-data-info-by-id dbstruct params)) 

    ;; MISC
    ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
    ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
    ((login)                        (apply db:login dbstruct params))
    ((general-call)                 (let ((stmtname   (car params))
                                          (run-id     (cadr params))
                                          (realparams (cddr params)))
                                      (db:general-call dbstruct run-id stmtname realparams)))
    ((sdb-qry)                      (apply sdb:qry params))
    ((ping)                         (current-process-id))
    ((get-changed-record-ids)       (apply db:get-changed-record-ids dbstruct params))
    ((get-changed-record-test-ids)  (apply db:get-changed-record-test-ids dbstruct params))
    ((get-changed-record-run-ids)  (apply db:get-changed-record-run-ids dbstruct params))
    ((get-run-record-ids) 	    (apply db:get-run-record-ids dbstruct params))
    ((get-all-runids)               (apply db:get-all-runids dbstruct))	
    ;; TESTMETA
    ((testmeta-get-record)       (apply db:testmeta-get-record dbstruct params))

    ;; TASKS 
    ((find-task-queue-records)   (apply tasks:find-task-queue-records dbstruct params))
    (else
     (debug:print 0 *default-log-port* "ERROR: bad api call " cmd)
     (conc "ERROR: BAD api call " cmd))))























;; http-server  send-response
;;                 api:process-request
;;                    db:*
;;
;; NB// Runs on the server as part of the server loop
;;

Modified apimod.scm from [a7cef484dc] to [eede50dabc].

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit apimod))
(declare (uses commonmod))
(declare (uses ulex))

(module apimod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod)
(import (prefix ulex ulex:))


)







<







<



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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit apimod))
(declare (uses commonmod))


(module apimod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod)



)

Modified archive.scm from [25e6383e3d] to [e07377cf5e].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 format md5 message-digest srfi-18)

(declare (unit archive))
(declare (uses db))


(declare (uses common))











(include "common_records.scm")
(include "db_records.scm")

;;======================================================================
;; 
;;======================================================================







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<


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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')



(declare (unit archive))
(declare (uses db))
(declare (uses debugprint))
(declare (uses mtargs))
(declare (uses common))
(declare (uses commonmod))
(declare (uses rmtmod))

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69
     format md5 message-digest srfi-18)

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

(include "common_records.scm")
(include "db_records.scm")

;;======================================================================
;; 
;;======================================================================

Added artifacts.scm version [2d0631d1c4].

















































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;;======================================================================
;; Copyright 2019, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit artifacts))

(include "artifacts/artifacts.scm")

Added artifacts/README version [f734b55b91].



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NOTE: keep megatest/artifacts/ in sync with datastore/artifacts

Added artifacts/artifacts.meta version [9ccf727941].











































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;; -*- scheme -*-
(
; Your egg's license:
(license "BSD")

; Pick one from the list of categories (see below) for your egg and enter it
; here.
(category db)

; A list of eggs pkts depends on.  If none, you can omit this declaration
; altogether. If you are making an egg for chicken 3 and you need to use
; procedures from the `files' unit, be sure to include the `files' egg in the
; `needs' section (chicken versions < 3.4.0 don't provide the `files' unit).
; `depends' is an alias to `needs'.
;; (needs (autoload "3.0"))

; A list of eggs required for TESTING ONLY.  See the `Tests' section.
(test-depends test)

(author "Matt Welland")
(synopsis "A sha1-chain based datastore similar to the data format in fossil scm, consisting of artifacts of single line cards."))

Added artifacts/artifacts.release-info version [fbbc2937bb].







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(repo fossil "http://www.kiatoa.com/cgi-bin/fossils/{egg-name}")
(uri zip "http://www.kiatoa.com/cgi-bin/fossils/{egg-name}/zip/{egg-name}.zip?uuid={egg-release}")
(release "1.0")

Added artifacts/artifacts.scm version [b5b4746c14].

















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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;; Copyright 2006-2017, Matthew Welland.
;; 
;; This file is part of artifacts
;; 
;;     Pkts is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Pkts is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Pkts.  If not, see <http://www.gnu.org/licenses/>.
;;

;; CARDS:
;;
;; A card is a line of text, the first two characters are a letter followed by a
;;   space. The letter is the card type.
;;
;; artifact:
;;
;; An artifact is a sorted list of cards with a final card Z that contains the shar1 hash
;;   of all of the preceding cards.
;;
;; AARTIFACT:
;;
;;  An alist mapping card types to card data
;;      '((T . "artifacttype")
;;        (a . "some content"))
;;
;; EARTIFACT:
;;
;;  Extended packet using friendly keys. Must use a artifactspec to convert to/from eartifacts
;;    '((ptype . "artifacttype")
;;      (adata . "some content))
;;
;; DARTIFACT:
;;
;; artifacts pulled from the database have this format:
;;
;;((aartifact (Z . "7de89c09ac024b3832c93e16cd78d11e2e28733b")     <= this is a the alist
;;       (t . "v1.63/tip/dev")
;;       (c . "QUICKPATT")
;;       (T . "runstart")
;;       (P . "354eeb67120a921e3e33155ecab1b522ac10b6bd")
;;       (D . "1488995096.0"))
;;  (id . 8)
;;  (group-id . 0)
;;  (uuid . "7de89c09ac024b3832c93e16cd78d11e2e28733b")
;;  (parent . "")
;;  (artifact-type . "runstart")
;;  (artifact . "D 1488995096.0\nP 354eeb67120a921e3e33155ecab1b522ac10b6bd\nT runstart\nc QUICKPATT\nt v1.63/tip/dev\nZ 7de89c09ac024b3832c93e16cd78d11e2e28733b"))
;;
;; artifactspec is alist of alists mapping types and nicekeys to keys
;;
;; '((posting . ((title . t)
;;               (url   . u)
;;               (blurb . b)))
;;   (comment . ((comment . c)
;;               (score   . s))))

;; Reserved cards:
;;   P      : artifact parent
;;   R      : reference artifact containing mapping of short string -> sha1sum strings
;;   T      : artifact type
;;   D      : current time from (current-time), unless provided
;;   Z      : shar1 hash of the packet

;; Example usage:
;;
;; Create a artifact:
;;
;; (use artifacts)
;; (define-values (uuid artifact)
;;     (alist->artifact
;;       '((fruit . "apple") (meat . "beef"))  ;; this is the data to convert
;;       '((foods (fruit . f) (meat . m)))     ;; this is the artifact spec
;;       ptype:
;;       'foods))
;;
;; Add to artifact queue:
;;
;; (define db (open-queue-db "/tmp/artifacts" "artifacts.db"))
;; (add-to-queue db artifact uuid 'foods #f 0) ;; no parent and use group_id of 0
;;
;; Retrieve the packet from the db and extract a value:
;;
;; (alist-ref
;;    'meat
;;    (dartifact->alist
;;         (car (get-dartifacts db #f 0 #f))
;;        '((foods (fruit . f)
;;                 (meat . m)))))
;; => "beef"
;;

(module artifacts
(
;; cards, util and misc
;; sort-cards
;; calc-sha1
;;
;; low-level constructor procs, exposed only for development/testing, will be removed
construct-sdat
construct-artifact     
card->type/value  
add-z-card

;; queue database procs
open-queue-db
add-to-queue
create-and-queue
;; lookup-by-uuid
lookup-by-id
get-dartifacts
get-not-processed-artifacts
get-related
find-artifacts
process-artifacts
get-descendents
get-ancestors
get-artifacts
;; get-last-descendent
;; with-queue-db
;; load-artifacts-to-db

;; procs that operate directly on artifacts, sdat, aartifacts, dartifacts etc.
artifact->alist    ;; artifact -> aartifact (i.e. alist)
artifact->sdat     ;; artifact -> '("a aval" "b bval" ...)
sdat->alist   ;; '("a aval" "b bval"...) -> ((a . "aval")(b . "bval") ...)
dblst->dartifacts  ;; convert list of tuples from queue db into dartifacts
dartifact->alist   ;; flatten a dartifact into an alist containing all db fields and the artifact alist
dartifacts->alists ;; apply dartifact->alist to a list of alists using a artifact-spec
alist->artifact    ;; returns two values uuid, artifact
get-value     ;; looks up a value given a key in a dartifact
flatten-all   ;; merge the list of values from a query which includes a artifact into a flat alist <== really useful!
check-artifact

;; artifact alists
write-alist->artifact
read-artifact->alist

;; archive database
;; archive-open-db
;; write-archive-artifacts
;; archive-artifacts
;; mark-processed

;; artifactsdb
artifactdb-conn     ;; useful
artifactdb-fname
artifactsdb-open
artifactsdb-close
artifactsdb-add-record
;; temporary
artifactdb-artifactspec

;; utility procs
increment-string ;; used to get indexes for strings in ref artifacts
make-report      ;; make a .dot file
calc-sha1
uuid-first-two-letters
uuid-remaining-letters

;; file and directory utils
multi-glob
capture-dir
file-get-sha1
check-same
link-or-copy
same-partition?
link-if-same-partition
archive-copy
write-to-archive
artifact-rollup
read-artifacts-into-hash
hash-of-artifacts->bundle
archive-dest

;; pathname-full-filename

;; minimal artifact functions
minimal-artifact-read
minimal-artifact->alist
afact-get-D
afact-get-Z
afact-get-T
afact-get
afact-get-number/default


;; bundles
write-bundle
read-bundle

;; new artifacts db
with-todays-adb
get-all-artifacts
refresh-artifacts-db

)

(import (chicken base) scheme (chicken process) (chicken time posix)
	(chicken io) (chicken file) (chicken pathname)
        chicken.process-context.posix (chicken string)
	(chicken time) (chicken sort) (chicken file posix) (chicken condition) srfi-1
	regex srfi-13 srfi-69 (chicken port) (chicken process-context)
	crypt sha1 matchable message-digest sqlite3 typed-records
	directory-utils
	scsh-process)

;;======================================================================
;; DATA MANIPULATION UTILS
;;======================================================================

(define-inline (unescape-data data)
  (string-translate* data '(("\\n" . "\n") ("\\\\" . "\\"))))

(define-inline (escape-data data)
  (string-translate* data '(("\n" . "\\n") ("\\" . "\\\\"))))

(define-inline (make-card type data)
  (conc type " " (escape-data (->string data))))

;; reverse an alist for doing artifactkey -> external key conversions
;;
(define-inline (reverse-aspec aspec)
  (map (lambda (dat)
	 (cons (cdr dat)(car dat)))
       aspec))

;; add a card to the list of cards, sdat
;; if type is #f return only sdat
;; if data is #f return only sdat
;;
(define-inline (add-card sdat type data)
  (if (and type data)
      (cons (make-card type data) sdat)
      sdat))

;;======================================================================
;; STRING AS FUNKY NUMBER
;;======================================================================

;; NOTE: PTDZ are removed as they are reserved. NB// the R card is not used in a
;;       ref, instead the P parent card is used.
;;       Question: Why does it matter to remove PTDZ?
;;                 To make the ref easier to use the ref strings will be the keys
;;                 so we cannot have overlap with any actual keys. But this is a
;;                 bit silly. What we need to do instead is reject keys of length
;;                 one where the char is in PTDZ
;;
;; This is basically base92
;;
(define string-num-chars (string->list "!#$%&'()*+,-./0123456789:;<=>?@ABCEFGHIJKLMNOQRSUVWXY[\\]^_abcdefghijklmnopqrstuvwxyz{|}~"))
;; "0123456789abcdefghijklmnopqrstuvwxyzABCEFGHIJKLMNOQSUVWXY!#$%&'()*+,-./[]:;<=>?\\^_{}|"))

(define (char-incr inchar)
  (let* ((carry     #f)
	 (next-char (let ((rem (member inchar string-num-chars)))
		      (if (eq? (length rem) 1) ;; we are at the last character in our string-num-chars list
			  (begin
			    (set! carry #t)
			    (car string-num-chars))
			  (cadr rem)))))
    (values next-char carry)))
    
(define (increment-string str)
  (if (string-null? str)
      "0"
      (let ((strlst (reverse (string->list str)))) ;; need to process the string from the lsd
	(list->string
	 (let loop ((hed (car strlst))
		    (tal (cdr strlst))
		    (res '()))
	   (let-values (((newhed carry)(char-incr hed)))
	     ;; (print "newhed: " newhed " carry: " carry " tal: " tal)
	     (let ((newres (cons newhed res)))
	       (if carry ;; we'll have to propagate the carry
		   (if (null? tal) ;; at the end, tack on "0" (which is really a "1")
		       (cons (car string-num-chars) newres)
		       (loop (car tal)(cdr tal) newres))
		   (append (reverse tal) newres)))))))))
    
;;======================================================================
;; P K T S D B   I N T E R F A C E
;;
;; INTEGER, REAL, TEXT
;;======================================================================
;;
;; spec
;;  ( (tablename1 . (field1name L1 TYPE)
;;                  (field2name L2 TYPE) ... )
;;    (tablename2 ... ))
;;
;;  Example: (tests (testname n TEXT)
;;                  (rundir   r TEXT)
;;                   ... )
;;
;; artifact keys are taken from the first letter, if that is not unique
;; then look at the next letter and so on
;;

;; simplify frequent need to get one result with default
;;
(define (get-one db default qry . params)
  (apply fold-row
   car
   default
   db
   qry
   params))

(define (get-rows db qry . params)
  (apply fold-row
   cons
   db
   qry
   params))
  
;; use this struct to hold the artifactspec and the db handle
;;
(defstruct artifactdb
  (fname       #f)
  (artifactsdb-spec #f)
  (artifactspec     #f)  ;; cache the artifactspec
  (field-keys  #f)  ;; cache the field->key mapping (field1 . k1) ...
  (key-fields  #f)  ;; cache the key->field mapping
  (conn        #f)
  )

;; WARNING: There is a simplification in the artifactsdb spec w.r.t. artifactspec.
;;          The field specs are the cdr of the table list - not a full
;;          list. The extra list level in artifactspec is gratuitous and should
;;          be removed.
;;
(define (artifactsdb-spec->artifactspec tables-spec)
  (map (lambda (tablespec)
	 (list (car tablespec)
	       (map (lambda (field-spec)
		      (cons (car field-spec)(cadr field-spec)))
		    (cdr tablespec))))
       tables-spec))

(define (artifactsdb-open dbfname artifactsdb-spec)
  (let* ((pdb      (make-artifactdb))
	 (dbexists (file-exists? dbfname))
	 (db       (open-database dbfname)))
    (artifactdb-artifactsdb-spec-set! pdb artifactsdb-spec)
    (artifactdb-artifactspec-set!     pdb (artifactsdb-spec->artifactspec artifactsdb-spec))
    (artifactdb-fname-set!       pdb dbfname)
    (artifactdb-conn-set!        pdb db)
    (if (not dbexists)
	(artifactsdb-init pdb))
    pdb))

(define (artifactsdb-init artifactsdb)
  (let* ((db          (artifactdb-conn artifactsdb))
	 (artifactsdb-spec (artifactdb-artifactsdb-spec artifactsdb)))
    ;; create a table for the artifacts themselves
    (execute db "CREATE TABLE IF NOT EXISTS artifacts (id INTEGER PRIMARY KEY, zkey TEXT, record_id INTEGER, artifact TEXT);")
    (for-each
     (lambda (table)
       (let* ((table-name (car table))
	      (fields     (cdr table))
	      (stmt (conc "CREATE TABLE IF NOT EXISTS "
			  table-name
			  " (id INTEGER PRIMARY KEY,"
			  (string-intersperse
			   (map (lambda (fieldspec)
				  (conc (car fieldspec) " "
					(caddr fieldspec)))
				fields)
			   ",")
			  ");")))
	 (execute db stmt)))
     artifactsdb-spec)))

;; create artifact from the data and insert into artifacts table
;; 
;; data is assoc list of (field . value) ...
;; tablename is a symbol matching the table name
;;
(define (artifactsdb-add-record artifactsdb tablename data #!optional (parent #f))
  (let*-values (((zkey artifact) (alist->artifact data (artifactdb-artifactspec artifactsdb) ptype: tablename)))
    ;; have the data as alist so insert it into appropriate table also
    (let* ((db        (artifactdb-conn artifactsdb)))
      ;; TODO: Address collisions
      (execute db "INSERT INTO artifacts (zkey,artifact,record_id) VALUES (?,?,?);"
		zkey artifact -1)
      (let* (;; (artifactid     (artifactsdb-artifactkey->artifactid artifactsdb artifactkey))
	     (record-id (artifactsdb-insert artifactsdb tablename data)))
	(execute db "UPDATE artifacts SET record_id=? WHERE zkey=?;"
		  record-id zkey)
      ))))

;; 
(define (artifactsdb-insert artifactsdb tablename data)
  (let* ((db (artifactdb-conn artifactsdb))
	 (stmt (conc "INSERT INTO " tablename
		     " (" (string-intersperse (map conc (map car data)) ",")
		     ") VALUES ('"
		     ;; TODO: Add lookup of data type and do not
		     ;;       wrap integers with quotes
		     (string-intersperse (map conc (map cdr data)) "','")
		     "');")))
    (print "stmt: " stmt)
    (execute db stmt)
    ;; lookup the record-id and return it
    
    ))
    
(define (artifactsdb-close artifactsdb)
  (finalize! (artifactdb-conn artifactsdb)))

;; (let loop ((s "0")(n 0))(print s)(if (< n 5000)(loop (increment-string s)(+ n 1))))

;;======================================================================
;; CARDS, MISC and UTIL
;;======================================================================

;; given string (likely multi-line) "dat" return shar1 hash
;;
(define (calc-sha1 instr)
  (message-digest-string
   (sha1-primitive)
   instr))

;; given a single card return its type and value
;;
(define (card->type/value card)
  (let ((ctype (substring card 0 1))
	(cval  (substring card 2 (string-length card))))
    (values (string->symbol ctype) cval)))

;;======================================================================
;; SDAT procs
;;  sdat is legacy/internal usage. Intention is to remove sdat calls from
;;  the exposed calls.
;;======================================================================

;; sort list of cards
;;
(define-inline (sort-cards sdat)
  (sort sdat string<=?))

;; artifact rules
;; 1. one card per line
;; 2. at least one card
;; 3. no blank lines

;; given sdat, a list of cards return uuid, packet (as sdat)
;;
(define (add-z-card sdat)
  (let* ((sorted-sdat (sort-cards sdat))
	 (dat         (string-intersperse sorted-sdat "\n"))
	 (uuid        (calc-sha1 dat)))
    (values
     uuid
     (conc
      dat
      "\nZ "
      uuid))))

(define (check-artifact artifact)
  (handle-exceptions
      exn
      #f ;; anything goes wrong - call it a crappy artifact
    (let* ((sdat (string-split artifact "\n"))
	   (rdat (reverse sdat)) ;; reversed
	   (zdat (car rdat))
	   (Z    (cadr (string-split zdat)))
	   (cdat (string-intersperse (reverse (cdr rdat)) "\n")))
      (equal? Z (calc-sha1 cdat)))))

;;======================================================================
;; AARTIFACTs
;;======================================================================

;; convert a sdat (list of cards) to an alist
;;
(define (sdat->alist sdat)
  (let loop ((hed (car sdat))
	     (tal (cdr sdat))
	     (res '()))
    (let-values (( (ctype cval)(card->type/value hed) ))
      ;; if this card is not one of the common ones tack it on to rem
      (let* ((oldval (alist-ref ctype res))
	     (newres (cons (cons ctype
				 (if oldval ;; list or string
				     (if (list? oldval)
					 (cons cval oldval)
					 (cons cval (list oldval)))
				     cval))
			   res)))
	(if (null? tal)
	    newres
	    (loop (car tal)(cdr tal) newres))))))

;;((aartifact (Z . "7de89c09ac024b3832c93e16cd78d11e2e28733b")     <= this is a the alist
;;       (t . "v1.63/tip/dev")
;;       (c . "QUICKPATT")
;;       (T . "runstart")
;;       (P . "354eeb67120a921e3e33155ecab1b522ac10b6bd")
;;       (D . "1488995096.0"))
;;  (id . 8)
;;  (group-id . 0)
;;  (uuid . "7de89c09ac024b3832c93e16cd78d11e2e28733b")
;;  (parent . "")
;;  (artifact-type . "runstart")
;;  (artifact . "D 1488995096.0\nP 354eeb67120a921e3e33155ecab1b522ac10b6bd\nT runstart\nc QUICKPATT\nt v1.63/tip/dev\nZ 7de89c09ac024b3832c93e16cd78d11e2e28733b"))
;;
;; artifactspec is alist of alists mapping types and nicekeys to keys
;;
;; '((posting . ((title . t)
;;               (url   . u)
;;               (blurb . b)))
;;   (comment . ((comment . c)
;;               (score   . s))))

;; DON'T USE? 
;;
(define (get-value field dartifact . spec-in)
  (if (null? spec-in)
      (alist-ref field dartifact)
      (let* ((spec  (car spec-in))
	     (aartifact  (alist-ref 'aartifact dartifact))) ;; get the artifact alist
	(if (and aartifact spec)
	    (let* ((ptype (alist-ref 'artifact-type dartifact))
		   (pspec (alist-ref (string->symbol ptype) spec))) ;; do we have a spec for this type of artifact
	      (and pspec
		  (let* ((key (alist-ref field pspec)))
		    (and key (alist-ref key aartifact)))))
	    #f))))

;; convert a dartifact to a pure alist given a artifactspec
;; this flattens out the alist to include the data from
;; the queue database record
;;
(define (dartifact->alist dartifact artifactspec)
  (let* ((aartifact       (alist-ref 'aartifact dartifact))
	 (artifact-type   (or (alist-ref 'artifact-type dartifact) ;; artifact-type is from the database field artifact_type
			 (alist-ref 'T aartifact)))
	 (artifact-fields (alist-ref (string->symbol artifact-type) artifactspec))
	 (rev-fields (if artifact-fields
			 (reverse-aspec artifact-fields)
			 '())))
    (append (map (lambda (entry)
		   (let* ((artifact-key (car entry))
			  (new-key (or (alist-ref artifact-key rev-fields) artifact-key)))
		     `(,new-key . ,(cdr entry))))
		 aartifact)
	    dartifact)))

;; convert a list of dartifacts into a list of alists using artifact-spec
;;
(define (dartifacts->alists dartifacts artifact-spec)
   (map (lambda (x)
	  (dartifact->alist x artifact-spec))
	dartifacts))

;; Generic flattener, make the tuple and artifact into a single flat alist
;;
;; qry-result-spec is a list of symbols corresponding to each field
;;
(define (flatten-all inlst artifactspec . qry-result-spec)
  (map
   (lambda (tuple)
     (dartifact->alist
      (apply dblst->dartifacts tuple qry-result-spec)
      artifactspec))
   inlst))

;; call like this:
;;  (construct-sdat 'a "a data" 'S "S data" ...)
;; returns list of cards
;;  ( "A a value" "D 12345678900" ...)
;;
(define (construct-sdat . alldat)
  (let ((have-D-card #f)) ;; flag
    (if (even? (length alldat))
	(let loop ((type (car alldat))
		   (data (cadr alldat))
		   (tail (cddr alldat))
		   (res  '()))
	  (if (eq? type 'D)(set! have-D-card #t))
	  (if (null? tail)
	      (if have-D-card ;; return the constructed artifact, add a D card if none found
		  (add-card res type data)
		  (add-card 
		   (add-card res 'D (current-seconds))
		   type data))
	      (loop (car tail)
		    (cadr tail)
		    (cddr tail)
		    (add-card res type data))))
	#f))) ;; #f means it failed to create the sdat

(define (construct-artifact . alldat)
  (add-z-card
   (apply construct-sdat alldat)))

;;======================================================================
;; CONVERTERS
;;======================================================================

(define (artifact->sdat artifact)
  (map unescape-data (string-split artifact "\n")))

;; given a pure artifact return an alist
;;
(define (artifact->alist artifact #!key (artifactspec #f))
  (let ((sdat (cond
	       ((string? artifact)  (artifact->sdat artifact))
	       ((list? artifact)    artifact)
	       (else #f))))
    (if artifact
	(if artifactspec
	    (dartifact->alist (list (cons 'aartifact (sdat->alist sdat))) artifactspec)
	    (sdat->alist sdat))
	#f)))

;; convert an alist to an sdat
;;  in: '((a . "blah")(b . "foo"))
;; out: '("a blah" "b foo")
;;
(define (alist->sdat adat)
  (map (lambda (dat)
	 (conc (car dat) " " (cdr dat)))
       adat))

;; adat is the incoming alist, aspec is the mapping
;; from incoming key to the artifact key (usually one
;; letter to keep data tight) see the artifactspec at the
;; top of this file
;;
;; NOTE: alists can contain multiple instances of the same key (supported fine by artifacts)
;;       but you (obviously I suppose) cannot use alist-ref to access those entries.
;;
(define (alist->artifact adat aspec #!key (ptype #f)(no-d #f))
  (let* ((artifact-type (or ptype
			    (alist-ref 'T adat) ;; can provide in the incoming alist
			    #f))
	 (artifact-spec (if artifact-type            ;; alist of external-key -> key
			    (or (alist-ref artifact-type aspec) '())
			    (if (null? aspec)
				'()
				(cdar aspec)))) ;; default to first one if nothing specified
	 (new-alist (map (lambda (dat)
			   (let* ((key    (car dat))
				  (val    (cdr dat))
				  (newkey (or (alist-ref key artifact-spec)
					      key)))
			     (cons newkey (escape-data (conc val))))) ;; convert all incoming data (symbols, numbers etc.) to a string and then escape newlines.
			 adat))
	 (new-with-type (if (alist-ref 'T new-alist)
			    new-alist
			    (cons `(T . ,artifact-type) new-alist)))
	 (with-d-card   (if (or no-d ;; no timestamp wanted
				(alist-ref 'D new-with-type))
			    new-with-type
			    (cons `(D . ,(current-seconds))
				  new-with-type))))
    (add-z-card
     (alist->sdat with-d-card))))

;;======================================================================
;;  D B   Q U E U E   I N T E R F A C E
;;======================================================================

;; artifacts (
;;   id SERIAL PRIMARY KEY,
;;   uuid TEXT NOT NULL,
;;   parent_uuid TEXT default '',
;;   artifact_type INTEGER DEFAULT 0,
;;   group_id INTEGER NOT NULL,
;;   artifact TEXT NOT NULL

;; schema is list of SQL statements - can be used to extend db with more tables
;;
(define (open-queue-db dbpath dbfile #!key (schema '()))
  (let* ((dbfname  (conc dbpath "/" dbfile))
	 (dbexists (if (file-exists? dbfname) #t (begin (create-directory dbpath #t) #f)))
	 (db       (open-database dbfname)))
    ;; (set-busy-handler! (dbi:db-conn db) (busy-timeout 10000))
    (if (not dbexists) ;; NOTE: In the archive we allow duplicates and other messiness. 
	(for-each
	 (lambda (stmt)
	   (execute db stmt))
	 (cons "CREATE TABLE IF NOT EXISTS artifacts
                          (id           INTEGER PRIMARY KEY,
                           group_id     INTEGER NOT NULL,
                           uuid         TEXT NOT NULL,
                           parent_uuid  TEXT TEXT DEFAULT '',
                           artifact_type     TEXT NOT NULL,
                           artifact          TEXT NOT NULL,
                           processed    INTEGER DEFAULT 0)"
		   schema))) ;; 0=not processed, 1=processed, 2... for expansion
    db))

(define (add-to-queue db artifact uuid artifact-type parent-uuid group-id)
  (execute db "INSERT INTO artifacts (uuid,parent_uuid,artifact_type,artifact,group_id)
                   VALUES(?,?,?,?,?);" ;; $1,$2,$3,$4,$5);"
	    uuid
	    (if parent-uuid parent-uuid "");; use null string as placeholder for no parent uuid.
	    (if artifact-type (conc artifact-type) "") 
	    artifact
	    group-id))

;; given all needed parameters create a artifact and store it in the queue
;;  procs is an alist that maps artifact-type to a function that takes a list of artifact params
;;  in data and returns the uuid and artifact
;;
(define (create-and-queue conn procs artifact-type parent-uuid group-id data)
  (let ((proc (alist-ref artifact-type procs)))
    (if proc
	(let-values (( (uuid artifact) (proc data) ))
	  (add-to-queue conn artifact uuid artifact-type parent-uuid group-id)
	  uuid)
	#f)))

;; given uuid get artifact, if group-id is specified use it (reduces probablity of
;;     being messed up by a uuid collision)
;;
(define (lookup-by-uuid db artifact-uuid group-id)
  (if group-id
      (get-one db "SELECT artifact FROM artifacts WHERE group_id=? AND uuid=?;" group-id artifact-uuid)
      (get-one db "SELECT artifact FROM artifacts WHERE uuid=?;" artifact-uuid)))
      
;; find a packet by its id
;;
(define (lookup-by-id db id)
  (get-one db "SELECT artifact FROM artifacts WHERE id=?;" id))


;;======================================================================
;;  P R O C E S S   P K T S
;;======================================================================

;; given a list of field values pulled from the queue db generate a list
;; of dartifact's
;;
(define (dblst->dartifacts lst . altmap)
  (let* ((maplst (if (null? altmap)
		     '(id group-id uuid parent artifact-type artifact processed)
		     altmap))
	 (res (map cons maplst lst))) ;; produces list of pairs, i.e an alist
    (cons `(aartifact . ,(artifact->alist (alist-ref 'artifact res)))
	  res)))

;; NB// ptypes is a list of symbols, '() or #f find all types
;;
(define (get-dartifacts db ptypes group-id parent-uuid #!key (uuid #f))
  (let* ((ptype-qry (if (and ptypes
			     (not (null? ptypes)))
			(conc " IN ('" (string-intersperse (map conc ptypes) "','") "')")
			(conc " LIKE '%' ")))
	 (rows      (get-rows
		     db
		     (conc
		      "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed FROM artifacts
                         WHERE artifact_type " ptype-qry " AND group_id=?
                         AND processed=0 "
			 (if parent-uuid (conc "AND parent_uuid='" parent-uuid "' ") "")
			 (if uuid        (conc "AND        uuid='"        uuid "' ") "")
			 "ORDER BY id DESC;")
		     group-id)))
    (map dblst->dartifacts (map vector->list rows))))

;; get N artifacts not yet processed for group-id
;;
(define (get-not-processed-artifacts db group-id artifact-type limit offset)
  (map dblst->dartifacts
       (map vector->list
	    (get-rows
	     db
	     "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed FROM artifacts
                WHERE artifact_type = ? AND group_id = ? AND processed=0
                LIMIT ? OFFSET ?;"
	     (conc artifact-type) ;; convert symbols to string
	     group-id
	     limit
	     offset
	     ))))

;; given a uuid, get not processed child artifacts 
;;
(define (get-related db group-id uuid)
  (map dblst->dartifacts
       (get-rows
	db
	"SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed FROM artifacts
           WHERE parent_uuid=? AND group_id=? AND processed=0;"
	uuid group-id)))

;; generic artifact processor
;;
;; find all packets in group-id of type in ptypes and apply proc to artifactdat
;;
(define (process-artifacts conn group-id ptypes parent-uuid proc)
  (let* ((artifacts (get-dartifacts conn ptypes group-id parent-uuid)))
    (map proc artifacts)))

;; criteria is an alist ((k . valpatt) ...)
;;   - valpatt is a regex
;;   - ptypes is a list of types (symbols expected)
;;   match-type: 'any or 'all
;;
(define (find-artifacts db ptypes criteria #!key (processed #f)(match-type 'any)(artifact-spec #f)) ;; processed=#f, don't use, else use
  (let* ((artifacts (get-dartifacts db ptypes 0 #f))
	 (match-rules (lambda (artifactdat) ;; returns a list of matching rules
			(filter (lambda (c)
				  ;; (print "c: " c)
				  (let* ((ctype (car c)) ;; card type
					 (rx    (cdr c)) ;; card pattern
					 ;; (t     (alist-ref 'artifact-type artifactdat))
					 (artifact   (alist-ref 'artifact artifactdat))
					 (aartifact  (artifact->alist artifact))
					 (cdat  (alist-ref ctype aartifact)))
				    ;; (print "cdat: " cdat) ;; " aartifact: " aartifact)
				    (if cdat
					(string-match rx cdat)
					#f)))
				criteria)))
	 (res         (filter (lambda (artifactdat)
				(if (null? criteria) ;; looking for all artifacts
				    #t
				    (case match-type
				      ((any)(not (null? (match-rules artifactdat))))
				      ((all)(eq? (length (match-rules artifactdat))(length criteria)))
				      (else
				       (print "ERROR: bad match type " match-type ", expecting any or all.")))))
			      artifacts)))
    (if artifact-spec
	(dartifacts->alists res artifact-spec)
	res)))

;; get descendents of parent-uuid
;;
;; NOTE: Should be doing something like the following:
;;
;; given a uuid, get not processed child artifacts 
;; processed:
;;    #f => get all
;;     0 => get not processed
;;     1 => get processed
;;
(define (get-ancestors db group-id uuid #!key (processed #f))
  (map dblst->dartifacts
       (map vector->list
	    (get-rows
	     db
	     (conc
	      "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed 
                FROM artifacts
                 WHERE uuid IN 
                     (WITH RECURSIVE
                       tree(uuid,parent_uuid)
                        AS
                        (
                           SELECT uuid, parent_uuid
                           FROM artifacts
                           WHERE uuid = ?
                           UNION ALL
                           SELECT t.uuid, t.parent_uuid
                           FROM artifacts t
                           JOIN tree ON t.uuid = tree.parent_uuid
                        )
	              SELECT uuid FROM tree)
	    AND group_id=?" (if processed (conc " AND processed=" processed) "") ";")
	     uuid group-id))))

;; Untested
;;
(define (get-descendents db group-id uuid #!key (processed #f))
  (map dblst->dartifacts
       (map vector->list
	    (get-rows
	     db
	     (conc
	      "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed 
                FROM artifacts
                 WHERE uuid IN 
                     (WITH RECURSIVE
                       tree(uuid,parent_uuid)
                        AS
                        (
                           SELECT uuid, parent_uuid
                           FROM artifacts
                           WHERE uuid = ?
                           UNION ALL
                           SELECT t.uuid, t.parent_uuid
                           FROM artifacts t
                           JOIN tree ON t.parent_uuid = tree.uuid
                        )
	              SELECT uuid FROM tree)
	    AND group_id=?" (if processed (conc " AND processed=" processed) "") ";")
	     uuid group-id))))

;; look up descendents based on given info unless passed in a list via inlst
;;
;; (define (get-last-descendent db group-id uuid #!key (processed #f)(inlst #f))
;;   (let ((descendents (or inlst (get-descendents db group-id uuid processed: processed))))
;;     (if (null? descendents)
;; 	#f
;; 	(last descendents))))

;;======================================================================
;;  A R C H I V E S - always to a sqlite3 db 
;;======================================================================

;; open an archive db
;; path: archive-dir/<year>/month.db
;;
#;(define (archive-open-db archive-dir)
  (let* ((curr-time (seconds->local-time (current-seconds)))
	 (dbpath    (conc archive-dir "/" (time->string curr-time "%Y")))
	 (dbfile    (conc dbpath "/" (time->string curr-time "%m") ".db"))
	 (dbexists (if (file-exists? dbfile) #t (begin (create-directory dbpath #t) #f))))
    (let ((db (open-database dbfile)))
      ;; (set-busy-handler! db (busy-timeout 10000))
      (if (not dbexists) ;; NOTE: In the archive we allow duplicates and other messiness. 
	  (execute db "CREATE TABLE IF NOT EXISTS artifacts
                          (id           INTEGER,
                           group_id     INTEGER,
                           uuid         TEXT,
                           parent_uuid  TEXT,
                           artifact_type     TEXT,
                           artifact          TEXT,
                           processed    INTEGER DEFAULT 0)"))
      db)))

;; turn on transactions! otherwise this will be painfully slow
;;
#;(define (write-archive-artifacts src-db db artifact-ids)
  (let ((artifacts (get-rows
	       src-db
	       (conc "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact FROM artifacts WHERE id IN ("
		     (string-intersperse (map conc artifact-ids) ",") ")"))))
    ;; (dbi:with-transaction
    ;;  db
     (lambda ()
       (for-each
	(lambda (artifact)
	  (apply execute  db "INSERT INTO artifacts (id,group_id,uuid,parent_uuid,artifact_type,artifact)
                               VALUES (?,?,?,?,?,?)"
		 artifact))
	artifacts)))) ;; )

;; given a list of uuids and lists of uuids move all to
;; the sqlite3 db for the current archive period
;;
#;(define (archive-artifacts conn artifact-ids archive-dir)
  (let ((db (archive-open-db archive-dir)))
    (write-archive-artifacts conn db artifact-ids)
    (finalize! db))
  ;; (pg:with-transaction
  ;;  conn
  ;; (lambda ()
     (for-each
      (lambda (id)
	(get-one
	 conn
	 "DELETE FROM artifacts WHERE id=?" id))
      artifact-ids)) ;; ))

;; given a list of ids mark all as processed
;;
(define (mark-processed conn artifact-ids)
  ;; (pg:with-transaction
   ;; conn
   ;; (lambda ()
     (for-each
      (lambda (id)
	(get-one
	 conn
	 "UPDATE artifacts SET processed=1 WHERE id=?;" id))
      artifact-ids)) ;; x))

;; a generic artifact getter, gets from the artifacts db
;;
(define (get-artifacts conn ptypes)
  (let* ((ptypes-str    (if (null? ptypes)
			    ""
			    (conc " WHERE artifact_type IN ('" (string-intersperse ptypes ",") "') ")))
	 (qry-str       (conc "SELECT id,group_id,uuid,parent_uuid,artifact_type,artifact,processed FROM artifacts" ptypes-str)))
    (map vector->list (get-rows conn qry-str))))

;; make a report of the artifacts in the db
;; ptypes of '() gets all artifacts
;; display-fields
;;
(define (make-report dest conn artifactspec display-fields . ptypes)
  (let* (;; (conn          (dbi:db-conn (s:db)))
	 (all-rows      (get-artifacts conn ptypes))
	 (all-artifacts      (flatten-all
			 all-rows
			 artifactspec
			 'id 'group-id 'uuid 'parent 'artifact-type 'artifact 'processed))
	 (by-uuid       (let ((ht (make-hash-table)))
			  (for-each
			   (lambda (artifact)
			     (let ((uuid (alist-ref 'uuid artifact)))
			       (hash-table-set! ht uuid artifact)))
			   all-artifacts)
			  ht))
	 (by-parent     (let ((ht (make-hash-table)))
			  (for-each
			   (lambda (artifact)
			     (let ((parent (alist-ref 'parent artifact)))
			       (hash-table-set! ht parent (cons artifact (hash-table-ref/default ht parent '())))))
			   all-artifacts)
			    ht))
	 (oup           (if dest (open-output-file dest) (current-output-port))))
    
    (with-output-to-port
	oup
      (lambda ()
	(print "digraph megatest_state_status {
  // ranksep=0.05
  rankdir=LR;
  node [shape=\"box\"];
")
	;; first all the names
	(for-each
	 (lambda (artifact)
	   (let* ((uuid        (alist-ref 'uuid artifact))
		  (shortuuid   (substring uuid 0 4))
		  (type        (alist-ref 'artifact-type artifact))
		  (processed   (alist-ref 'processed artifact)))
	     
	     (print "\"" uuid "\" [label=\"" shortuuid ", ("
		    type ", "
		    (if processed "processed" "not processed") ")")
	     (for-each
	      (lambda (key-field)
		(let ((val (alist-ref key-field artifact)))
		  (if val
		      (print key-field "=" val))))
	      display-fields)
	     (print "\" ];")))
	 all-artifacts)
	;; now for parent-child relationships
	(for-each
	 (lambda (artifact)
	   (let ((uuid   (alist-ref 'uuid artifact))
		 (parent (alist-ref 'parent artifact)))
	     (if (not (equal? parent ""))
		 (print "\"" parent "\" -> \"" uuid"\";"))))
	 all-artifacts)

	(print "}")
	))
    (if dest
	(begin
	  (close-output-port oup)
	  (system "dot -Tpdf out.dot -o out.pdf")))
    
    ))

;;======================================================================
;; Read ref artifacts into a vector < laststr hash table > 
;;======================================================================



;;======================================================================
;; Read/write packets to files (convience functions)
;;======================================================================

;; write alist to a artifact file
;;
(define (write-alist->artifact targdir dat #!key (artifactspec '())(ptype #f))
  (let-values (((uuid artifact)(alist->artifact dat artifactspec ptype: ptype)))
    (with-output-to-file (conc targdir "/" uuid ".artifact")
      (lambda ()
	(print artifact)))
    uuid)) ;; return the uuid

;; read artifact into alist
;;
(define (read-artifact->alist artifact-file #!key (artifactspec #f))
  (artifact->alist (with-input-from-file
		  artifact-file
		read-string)
	      artifactspec: artifactspec))

;;======================================================================
;; File utils, stuff useful for file management
;;======================================================================

(define (file-get-sha1 fname)
  (let* ((sha1-res (run/strings (sha1sum ,fname))))
    (car (string-split (car sha1-res)))))

(define (link-or-copy srcf destf)
  (or (handle-exceptions
       exn
       #f
       (file-link srcf destf))
      (if (file-exists? destf)
	  (print "NOTE: destination already exists, skipping copy.")
	  (copy-file srcf destf))))

;; (define (files-diff file1 file2)
;;   (let* ((diff-res (with-input-from-port
;; 		       (run/port (diff "-q" ,file1 ,file2))
;; 		     (lambda ()
;; 		       (let* ((res (read-line)))
;; 			 (read-lines)
;; 			 res)))))
;;     (car (string-split sha1-res))))
;; 


(define (check-same file1 file2)
  (cond
   ((not (and (file-exists? file1)(file-exists? file2))) #f)
   ((not (equal? (file-size file1)(file-size file2))) #f)
   (else
    (let-values (((status run-ok process-id)
		  (run (diff "-q" ,file1 ,file2))))
      status))))

(define *pcache* (make-hash-table))
(define (get-device dir)
  (let ((indat (or (hash-table-ref/default *pcache* dir #f)
		   (let* ((inp (open-input-pipe (conc "df --output=source \""dir"\"")))
			  (res (read-lines inp)))
		     (close-input-port inp)
		     (hash-table-set! *pcache* dir res)
		     res))))
    (cadr indat)))

(define (same-partition? dir1 dir2)
  (equal? (get-device dir1)(get-device dir2)))

(define (link-if-same-partition file1 file2)
  (let* ((dir1 (pathname-directory file1))
	 (dir2 (pathname-directory file2))
	 (f1   (pathname-file file1))
	 (f2   (pathname-file file2)))
    (if (same-partition? dir1 dir2)
	(let* ((tmpname (conc "."f2"-"(current-seconds))))
	  ;; this steps needs to be executed as actual user    
	  (move-file file2 (conc dir1 "/" tmpname))
	  (file-link file1 file2)
	  (delete-file (conc dir1 "/" tmpname))))))

(define (uuid-first-two-letters sha1sum)
  (substring sha1sum 0 2))

(define (uuid-remaining-letters sha1sum)
  (let ((slen (string-length sha1sum)))
    (substring sha1sum 2 slen)))

(define (archive-dest destd sha1sum)
  (let* ((subdir         (uuid-first-two-letters sha1sum)) ;; (substring sha1sum 0 2))
	 ;; (slen           (string-length sha1sum))
	 (rem            sha1sum #;(uuid-remaining-letters sha1sum)) ;; (substring sha1sum 3 slen))
	 (full-dest-dir  (conc destd"/"subdir))
	 (full-dest-file (conc full-dest-dir"/"rem)))
    (if (not (directory-exists? full-dest-dir))
	(create-directory full-dest-dir #t))
    full-dest-file))

(define (write-to-archive data destd #!optional (nextnum #f))
  (let* ((sha1sum    (calc-sha1 data))
	 (full-dest  (conc (archive-dest destd sha1sum)
			   (if nextnum (conc "."nextnum) ""))))
    (if (file-exists? full-dest)
	(if (equal? (string-intersperse (with-input-from-file full-dest read-lines) "\n")
		    data)
	    (begin
	      ;; (print "INFO: data already exists in "full-dest" and is identical")
	      sha1sum)
	    (let ((nextnum (if nextnum (+ nextnum 1) 0)))
	      (print "WARN: data already exists in "full-dest" but is different! Trying again...")
	      (write-to-archive data destd nextnum)))
	(begin
	  (with-output-to-file
	      full-dest
	    (lambda ()
	      (print data)))
	  sha1sum)))) ;; BUG? Does print munge data?

;; copy srcf with sha1sum aabc... to aa/bc...
;;
(define (archive-copy srcf destd sha1sum)
  (let* ((full-dest-file (archive-dest destd sha1sum)))
    (let loop ((trynum 0))
      (let ((dest-name (if (> trynum 0)
			   (conc full-dest-file"-"trynum)
			   full-dest-file)))
	(cond
	 ((not (file-exists? srcf)) #f) ;; this should be an error?
	 ((and (file-exists? srcf)
	       (file-exists? dest-name))
	  (if (check-same srcf dest-name)
	      (link-if-same-partition dest-name srcf)
	      (loop (+ trynum 1)))) ;; collisions are rare, this protects against them
	 ((not (file-exists? dest-name))
	  (link-or-copy srcf dest-name))
	 (else #f))))))

;; multi-glob
(define (multi-glob globstrs inpath)
  ;; (print "multi-glob: "globstrs", "inpath)
  (if (equal? inpath "")
      globstrs
      (let* ((parts     (string-split inpath "/" #t))
	     (nextpart  (car parts))
	     (remaining (string-intersperse (cdr parts) "/")))
	(if (and (equal? nextpart "") ;; this must be a leading / meaning root directory
	         (null? globstrs))
	    (multi-glob '("/") remaining)
	    (begin
	      ;; (print "nextpart="nextpart", remaining="remaining)
	      (apply append
              (map (lambda (gstr)
                      (let* ((pathstr  (conc gstr"/"nextpart))
		   	     (pathstrs (glob pathstr)))
		          ;; (print "pathstr="pathstr)
		          (multi-glob pathstrs remaining)))
	               globstrs)))))))
	     

;; perm[/user:group]:
;;   DDD - octal perm (future expansion)
;;   -   - use umask/defacto perms (i.e. don't actively do anything)
;;   x   - mark as executable
;;
;; Cards:
;;   file:      f perm fname
;;   directory: d perm fname artifactid
;;   link:      l perm lname destpath
;;
;;   NOTE: cards are kept as (C . "value")
;;
;; given a directory path, ignore list and artifact store (hash-table):
;;  1. create sha1 tree at dest (e.g. aa/b3a7 ...)
;;  2. create artifact for each dir
;;    - cards for all files
;;    - cards for files that are symlinks or executables
;;  3. return (artifactid . artifact)
;;
;; NOTES:
;;   Use destdir of #f to not create sha1 tree
;;   Hard links will be used if srcdir and destdir appear to be same partion
;;
;; (alist->artifact adat aspec #!key (ptype #f))
;;
;;
;; (load "../../artifacts/artifacts.scm")(import big-chicken srfi-69 artifacts)(define dirdat (make-hash-table))
;; (capture-dir ".." ".." "/tmp/junk" '() dirdat)
;;
;; [procedure] (file-type FILE [LINK [ERROR]])
;; Returns the file-type for FILE, which should be a filename, a file-descriptor or a port object. If LINK is given and true, symbolic-links are not followed:
;; 
;;  regular-file
;;  directory
;;  fifo
;;  socket
;;  symbolic-link
;;  character-device
;;  block-device
;; Note that not all types are supported on every platform. If ERROR is given and false, then file-type returns #f if the file does not exist; otherwise, it signals an error.
;; 
;; 
(define (capture-dir curr-dir src-dir dest-dir ignore-list artifacts all-seen)
  (let* ((dir-dat (directory-fold
		   (lambda (fname res) ;; res is a list of artifact cards
		     (let* ((fullname   (conc curr-dir"/"fname)))
		       ;; (print "INFO: processing "fullname)
		       (if (hash-table-ref/default all-seen fullname #f) ;; something circular going on
			   (begin
			     (print "WARNING: possible circular link(s) "fullname)
			     res)
			   (let* ((ftype (file-type fullname #t #f)))
			     (hash-table-set! all-seen fullname ftype)
			     (cons
			      (case ftype ;; get the card
			       ((directory) ;; (directory? fullname)
				(let* ((new-curr-dir (conc curr-dir"/"fname))
				       (new-src-dir  (conc src-dir"/"fname)))
				  (let* ((dir-dat (capture-dir new-curr-dir new-src-dir
							       dest-dir ignore-list artifacts all-seen))
					 (a-id (car dir-dat))
					 (artf (cdr dir-dat)))
				    (hash-table-set! artifacts a-id artf)
				    (cons 'd (conc "- "a-id" "fname))))) ;; the card
			       ((symbolic-link) ;; (symbolic-link? fullname)
				(let ((ldest (read-symbolic-link fullname)))
				  (cons 'l (conc "- "fname"/"ldest)))) ;; delimit link name from dest with /
			       ((regular-file) ;; must be a file
				(let* ((start      (current-seconds))
				       (sha1sum    (file-get-sha1 fullname))
				       (perms      (if (file-executable? fullname) "x" "-")))
				  (let ((runtime (- (current-seconds) start)))
				    (if (> runtime 1)
					(print "INFO: file "fullname" took "runtime" seconds to calculate sha1.")))
				  (if dest-dir
				      (archive-copy fullname dest-dir sha1sum))
				  (cons 'f (conc perms " "sha1sum" "fname))))
			       (else
				(print "WARNING: file "fullname" of type "ftype" is NOT supported and will converted to empty file.")
				(let* ((sha1sum (write-to-archive "" dest-dir)))
				  (cons 'f (conc "- "sha1sum" "fname)))))
			      res)))))
		       '() src-dir #:dotfiles? #t))) ;; => (values srcdir_artifact sub_artifacts_list)
    ;; (print "dir-dat: " dir-dat)
    (let-values (((a-id artf)
		  (alist->artifact dir-dat '() ptype: 'd no-d: #t)))
      (hash-table-set! artifacts a-id artf)
      (cons a-id artf))))

;; maybe move this into artifacts?
;;
;; currently moves *.artifact into a bundle and moves the artifacts into attic
;; future: move artifacts under 1 meg in size into bundle up to 10 meg in size
;;
(define (artifact-rollup bundle-dir) ;; cfg storepath)
  ;; (let* ((bundle-dir (calc-bundle-dir cfg storepath)))
    (let* ((bundles   (glob (conc bundle-dir"/*.bundle")))
	   (artifacts (glob (conc bundle-dir"/*.artifact"))))
      (if (> (length artifacts) 30) ;; rollup only if > 30 artifacts
	  ;; if we have unbundled artifacts, bundle them
	  (let* ((ht     (read-artifacts-into-hash #f artifacts: artifacts))
		 (bundle (hash-of-artifacts->bundle ht)))
	    (write-bundle bundle bundle-dir)
	    (create-directory (conc bundle-dir"/attic") #t)
	    (for-each
	     (lambda (full-fname)
	       (let* ((fname   (pathname-strip-directory full-fname))
		      (newname (conc bundle-dir"/attic/"fname)))
		 (move-file full-fname newname #t)))
	     artifacts)
	    (conc "bundled "(length artifacts)))
	  "not enough artifacts to bundle")))

;; if destfile is a directory then calculate the sha1sum of the bundle and store it
;; by <sha1sum>.bundle
;;
;; incoming dat is pure text (bundle already sorted and appended:
;;
(define (write-bundle bdl-data destdir)
  (let* ((bdl-uuid  (calc-sha1 bdl-data)))
    (with-output-to-file
	(conc destdir"/"bdl-uuid".bundle")
      (lambda ()
	(print bdl-data)))))

;; minimal (and hopefully fast) artifact reader
;; TODO: Add check of shar sum.
;;
(define (minimal-artifact-read fname)
  (let* ((indat (with-input-from-file fname read-lines)))
    (if (null? indat)
	(values #f (conc "did not find an artifact in "fname))
	(let* ((zcard (last indat))
	       (cardk (substring zcard 0 1))
	       (cardv (substring zcard 2 (string-length zcard))))
	  (if (equal? cardk "Z")
	      (values cardv (string-intersperse indat "\n"))
	      (values #f (conc fname" is not a valid artifact")))))))

;; read artifacts from directory into hash
;; NOTE: support for max-count not implemented yet
;;
(define (read-artifacts-into-hash dir #!key (artifacts #f) (max-count #f)(ht #f))
  (let* ((artifacts (or artifacts
			(glob (conc dir"/*.artifact"))))
	 (ht        (or ht (make-hash-table))))
    (for-each
     (lambda (fname)
       (let-values (((uuid afct)
		     (minimal-artifact-read fname)))
	 (hash-table-set! ht uuid afct)))
     artifacts)
    ht))

;; ht is:
;;   uuid => artifact text
;; use write-bundle to put result into a bundle file
;;
(define (hash-of-artifacts->bundle ht)    
  (fold (lambda (k res)
	  (let* ((v (hash-table-ref ht k)))
	    (if res
		(conc res"\n"v)
		v)))
	#f
	(sort (hash-table-keys ht) string<=?)))

;; minimal artifact to alist
;;
(define (minimal-artifact->alist afact)
  (let* ((lines   (string-split afact "\n")))
    (map (lambda (a)
	   (let* ((key (string->symbol (substring a 0 1)))
		  (sl  (string-length a))
		  (val (if (> sl 2)
			   (substring a 2 sl)
			   "")))
	     (cons key val)))
	 lines)))

;; some accessors for common cards
(define (afact-get-D afact)
  (let ((dval (alist-ref 'D afact)))
    (if dval
	(string->number dval)
	#f)))

(define (afact-get-T afact) ;; get the artifact type as a symbol
  (let ((val (alist-ref 'T afact)))
    (if val
	(string->symbol val)
	val)))

(define (afact-get-Z afact)
  (alist-ref 'Z afact))

(define (afact-get afact key default)
  (or (alist-ref key afact)
      default))

(define (afact-get-number/default afact key default)
  (let ((val (alist-ref key afact)))
    (if val
	(or (string->number val) default) ;; seems wrong
	default)))

;; bundles are never big and reading into memory for processing is fine
;;
(define (read-bundle srcfile #!optional (mode 'uuid-raw))
  (let* ((indat (with-input-from-file srcfile read-lines)))
    (let loop ((tail indat)
	       (dat '())  ;; artifact being extracted
	       (res '())) ;; list of artifacts
      (if (null? tail)
	  (reverse res) ;; last dat should be empty list
	  (let* ((curr-line (car tail)))
	    (let-values (((ctype cdata)
			  (card->type/value curr-line)))
	      (let* ((is-z-card (eq? 'Z ctype))
		     (new-dat   (cons (case mode
					((uuid-raw) curr-line)
					(else       (cons ctype cdata)))
				      dat)))
		(if is-z-card
		    (loop (cdr tail) ;; done with this artifact
			  '()
			  (cons (case mode
				  ((uuid-raw) (cons cdata (string-intersperse (reverse new-dat) "\n")))
				  (else       (reverse new-dat)))
				res))
		    (loop (cdr tail)
			  new-dat
			  res)))))))))


;; find all .bundle and .artifacts files in bundle-dir
;; and inport them into sqlite handle adb
;; 
(define (refresh-artifacts-db adb bundle-dir)
  (let* ((bundles   (glob (conc bundle-dir"/*.bundle")))
	 (artifacts (glob (conc bundle-dir"/*.artifact")))
	 (uuids     (get-all-uuids adb 'hash)))
    (with-transaction
     adb
     (lambda ()
       (for-each
	(lambda (bundle-file)
	  ;; (print "Importing artifacts from "bundle-file)
	  (let* ((bdat (read-bundle bundle-file 'uuid-raw))
		 (count 0)
		 (inc   (lambda ()(set! count (+ count 1)))))
	    (for-each
	     (lambda (adat)
	       (match
		adat
		((zval . artifact)
		 (if (not (hash-table-exists? uuids zval))
		     (begin
		       ;; (print "INFO: importing new artifact "zval" from bundle "bundle-file)
		       (inc)
		       (execute adb "INSERT INTO artifacts (uuid, artifact) VALUES (?,?);"
				zval artifact)
		       (hash-table-set! uuids zval #t))))
		(else
		 (print "ERROR: Bad artifact data "adat))))
	     bdat)
	    (print "INFO: imported "count" artifacts from "bundle-file)))
	bundles)
       (for-each
	(lambda (artifact-file)
	  ;; (print "Importing artifact from "artifact-file)
	  (let-values (((uuid artifact) (minimal-artifact-read artifact-file)))
	    (if uuid
		(if (not (hash-table-exists? uuids uuid))
		    (begin
		      ;; (print "INFO: importing new artifact "uuid" from "artifact-file)
		      (execute adb "INSERT INTO artifacts (uuid, artifact) VALUES (?,?);"
			       uuid artifact)
		      (hash-table-set! uuids uuid #t)))
		(print "Bad artifact in "artifact-file))))
	artifacts)))))

;;======================================================================
;;  Artifacts db cache
;;======================================================================

;; artifacts
;;   id SERIAL PRIMARY KEY,
;;   uuid TEXT NOT NULL,
;;   artifact TEXT NOT NULL
;;
;; parents
;;   id INTEGER REFERENCES artids.id,  -- 
;;   parent_id  REFERENCES artids.id
;;
;; schema is list of SQL statements - can be used to extend db with more tables
;;
(define (open-artifacts-db dbpath dbfile #!key (schema '()))
  (let* ((dbfname  (conc dbpath "/" dbfile))
	 (dbexists (if (file-exists? dbfname) #t (begin (create-directory dbpath #t) #f)))
	 (adb      (open-database dbfname)))
    (set-busy-handler! adb (make-busy-timeout 10000))
    (execute adb "PRAGMA synchronous = 0;")
    (if (not dbexists)
	(with-transaction
	 adb
	 (lambda ()
	   (for-each
	    (lambda (stmt)
	      (execute adb stmt))
	    (append `("CREATE TABLE IF NOT EXISTS artifacts
                          (id           INTEGER PRIMARY KEY,
                           uuid         TEXT NOT NULL,
                           artifact     TEXT NOT NULL)"
		      
		      "CREATE TABLE IF NOT EXISTS parents
                          (id INTEGER REFERENCES artifacts(id) NOT NULL,
                           parent_id INTEGER REFERENCES artifacts(id) NOT NULL)")
		    schema)))))
    adb))

(define (generate-year-month-name #!optional (seconds #f))
  (let* ((curr-time (seconds->local-time (or seconds (current-seconds)))))
    (time->string curr-time "%Y%m")))

;; I don't like this function. TODO: remove the
;; mode and option to return ht. Use instead the
;; get-all-artifacts below
;;
(define (get-all-uuids adb #!optional (mode #f))
  (let* ((res (fold-row
	       (lambda (res uuid)
		 (cons uuid res))
	       '()
	       adb
	       "SELECT uuid FROM artifacts;")))
    (case mode
      ((hash)
       (let* ((ht (make-hash-table)))
	 (for-each
	  (lambda (uuid)
	    (hash-table-set! ht uuid #t))
	  res)
	 ht))
      (else res))))

;; returns raw artifacts (i.e. NOT alists but instead plain text)
(define (get-all-artifacts adb)
  (let* ((ht  (make-hash-table)))
    (for-each-row
     (lambda (id uuid artifact)
       (hash-table-set! ht uuid `(,id ,uuid ,artifact)))
     adb
     "SELECT id,uuid,artifact FROM artifacts;")
    ht))

;; given a bundle-dir copy or create to /tmp and open
;; the YYMM.db file and hand the handle to the given proc
;; NOTE: we operate in /tmp/ to accomodate users on NFS
;; where slamming Unix locks at an NFS filer can cause
;; locking fails. Eventually this /tmp behavior will be
;; configurable.
;;
(define (with-todays-adb bundle-dir proc)
  (let* ((dbname   (conc (generate-year-month-name) ".db"))
	 (destname (conc bundle-dir"/"dbname))
	 (tmparea  (conc "/tmp/"(current-user-name)"-"(calc-sha1 bundle-dir)))
	 (tmpname  (conc tmparea"/"dbname))
	 (lockfile (conc destname".update-in-progress")))
    ;; (print "with-todays-adb, bundle-dir: "bundle-dir", dbname: "dbname", destname: "destname",\n    tmparea: " tmparea", lockfile: "lockfile)
    (if (not (file-exists? tmparea))(create-directory tmparea #t))
    (let loop ((count 0))
      (if (file-exists? lockfile)
	  (if (< count 30) ;; aproximately 30 seconds
	      (begin
		(sleep 1)
		(loop (+ 1 count)))
	      (print "ERROR: "lockfile" exists, proceeding anyway"))
	  (if (file-exists? destname)
	      (begin
		(copy-file destname tmpname #t)
		(copy-file destname lockfile #t)))))
    (let* ((adb  (open-artifacts-db tmparea dbname))
	   (res  (proc adb)))
      (finalize! adb)
      (copy-file tmpname destname #t)
      (delete-file* lockfile)
      res)))

) ;; module artifacts

;; ATTIC

Added artifacts/artifacts.setup version [bf666feb42].























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;; Copyright 2007-2017, Matthew Welland.
;;
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;;
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;;; pkts.setup
(standard-extension 'pkts "1.0")

Added artifacts/artifactsrec.scm version [28997466b3].









































































































































































































































































































































































































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(define-syntax define-record-type
  (syntax-rules ()
    ((define-record-type type
       (constructor constructor-tag ...)
       predicate
       (field-tag accessor . more) ...)
     (begin
       (define type
         (make-record-type 'type '(field-tag ...)))
       (define constructor
         (record-constructor type '(constructor-tag ...)))
       (define predicate
         (record-predicate type))
       (define-record-field type field-tag accessor . more)
       ...))))

; An auxilliary macro for define field accessors and modifiers.
; This is needed only because modifiers are optional.

(define-syntax define-record-field
  (syntax-rules ()
    ((define-record-field type field-tag accessor)
     (define accessor (record-accessor type 'field-tag)))
    ((define-record-field type field-tag accessor modifier)
     (begin
       (define accessor (record-accessor type 'field-tag))
       (define modifier (record-modifier type 'field-tag))))))

; Record types

; We define the following procedures:
; 
; (make-record-type <type-name <field-names>)    -> <record-type>
; (record-constructor <record-type<field-names>) -> <constructor>
; (record-predicate <record-type>)               -> <predicate>
; (record-accessor <record-type <field-name>)    -> <accessor>
; (record-modifier <record-type <field-name>)    -> <modifier>
;   where
; (<constructor> <initial-value> ...)         -> <record>
; (<predicate> <value>)                       -> <boolean>
; (<accessor> <record>)                       -> <value>
; (<modifier> <record> <value>)         -> <unspecific>

; Record types are implemented using vector-like records.  The first
; slot of each record contains the record's type, which is itself a
; record.

(define (record-type record)
  (record-ref record 0))

;----------------
; Record types are themselves records, so we first define the type for
; them.  Except for problems with circularities, this could be defined as:
;  (define-record-type :record-type
;    (make-record-type name field-tags)
;    record-type?
;    (name record-type-name)
;    (field-tags record-type-field-tags))
; As it is, we need to define everything by hand.

(define :record-type (make-record 3))
(record-set! :record-type 0 :record-type)	; Its type is itself.
(record-set! :record-type 1 ':record-type)
(record-set! :record-type 2 '(name field-tags))

; Now that :record-type exists we can define a procedure for making more
; record types.

(define (make-record-type name field-tags)
  (let ((new (make-record 3)))
    (record-set! new 0 :record-type)
    (record-set! new 1 name)
    (record-set! new 2 field-tags)
    new))

; Accessors for record types.

(define (record-type-name record-type)
  (record-ref record-type 1))

(define (record-type-field-tags record-type)
  (record-ref record-type 2))

;----------------
; A utility for getting the offset of a field within a record.

(define (field-index type tag)
  (let loop ((i 1) (tags (record-type-field-tags type)))
    (cond ((null? tags)
           (error "record type has no such field" type tag))
          ((eq? tag (car tags))
           i)
          (else
           (loop (+ i 1) (cdr tags))))))

;----------------
; Now we are ready to define RECORD-CONSTRUCTOR and the rest of the
; procedures used by the macro expansion of DEFINE-RECORD-TYPE.

(define (record-constructor type tags)
  (let ((size (length (record-type-field-tags type)))
        (arg-count (length tags))
        (indexes (map (lambda (tag)
                        (field-index type tag))
                      tags)))
    (lambda args
      (if (= (length args)
             arg-count)
          (let ((new (make-record (+ size 1))))
            (record-set! new 0 type)
            (for-each (lambda (arg i)
			(record-set! new i arg))
                      args
                      indexes)
            new)
          (error "wrong number of arguments to constructor" type args)))))

(define (record-predicate type)
  (lambda (thing)
    (and (record? thing)
         (eq? (record-type thing)
              type))))

(define (record-accessor type tag)
  (let ((index (field-index type tag)))
    (lambda (thing)
      (if (and (record? thing)
               (eq? (record-type thing)
                    type))
          (record-ref thing index)
          (error "accessor applied to bad value" type tag thing)))))

(define (record-modifier type tag)
  (let ((index (field-index type tag)))
    (lambda (thing value)
      (if (and (record? thing)
               (eq? (record-type thing)
                    type))
          (record-set! thing index value)
          (error "modifier applied to bad value" type tag thing)))))

Records

; This implements a record abstraction that is identical to vectors,
; except that they are not vectors (VECTOR? returns false when given a
; record and RECORD? returns false when given a vector).  The following
; procedures are provided:
;   (record? <value>)                -> <boolean>
;   (make-record <size>)             -> <record>
;   (record-ref <record> <index>)    -> <value>
;   (record-set! <record> <index> <value>) -> <unspecific>
;
; These can implemented in R5RS Scheme as vectors with a distinguishing
; value at index zero, providing VECTOR? is redefined to be a procedure
; that returns false if its argument contains the distinguishing record
; value.  EVAL is also redefined to use the new value of VECTOR?.

; Define the marker and redefine VECTOR? and EVAL.

(define record-marker (list 'record-marker))

(define real-vector? vector?)

(define (vector? x)
  (and (real-vector? x)
       (or (= 0 (vector-length x))
	   (not (eq? (vector-ref x 0)
		record-marker)))))

; This won't work if ENV is the interaction environment and someone has
; redefined LAMBDA there.

(define eval
  (let ((real-eval eval))
    (lambda (exp env)
      ((real-eval `(lambda (vector?) ,exp))
       vector?))))

; Definitions of the record procedures.

(define (record? x)
  (and (real-vector? x)
       (< 0 (vector-length x))
       (eq? (vector-ref x 0)
            record-marker)))

(define (make-record size)
  (let ((new (make-vector (+ size 1))))
    (vector-set! new 0 record-marker)
    new))

(define (record-ref record index)
  (vector-ref record (+ index 1)))

(define (record-set! record index value)
  (vector-set! record (+ index 1) value))

Added artifacts/tests/run.scm version [957c7c2ae2].























































































































































































































































































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(use test)

;; (use (prefix pkts pkts:))
(use pkts (prefix dbi dbi:))
;; (use trace)(trace sdat->alist pkt->alist)

(if (file-exists? "queue.db")(delete-file "queue.db"))

(test-begin "pkts and pkt archives")

;;======================================================================
;; Basic pkt creation, parsing and conversion routines
;;======================================================================

(test-begin "basic packets")
(test #f '(A "This is a packet") (let-values (((t v)
					       (card->type/value "A This is a packet")))
				   (list t v)))
(test #f "A A\nZ 664449e7299e0065a3e25c138ccef2df13ba291e"
      (let-values (((uuid res)
		    (add-z-card '("A A"))))
	res))
(test #f '("CC C++" "D 1486332719.0" "a A" "b C")(sort (construct-sdat 'b "C" 'a "A" 'CC "C++" 'D 1486332719.0)
						       string<=?))
(define pkt-example #f)
(test #f "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84"
      (let-values (((uuid res)
		    (construct-pkt 'b "C" 'a "A" 'CC "C++" 'D 1486332719.0)))
	(set! pkt-example (cons uuid res))
	res))
(test-end "basic packets")

;;======================================================================
;; Sqlite and postgresql based queue of pkts
;;======================================================================

(test-begin "pkt queue")
(define db #f)
(test #f 'sqlite3 (let ((dbh (open-queue-db "." "queue.db")))
		    (set! db dbh)
		    (dbi:db-dbtype dbh)))
(test #f (cdr pkt-example)
      (begin
	(add-to-queue db (cdr pkt-example)(car pkt-example) 'basic #f 0)
	(lookup-by-uuid db (car pkt-example) 0)))
(test #f (cdr pkt-example)
      (lookup-by-id db 1))
(test #f 1 (length (find-pkts db '(basic) '())))

(test-end "pkt queue")


;;======================================================================
;; Process groups of pkts
;;======================================================================

(test-begin "lists of packets")
(test #f '((apkt . #f) (id . 1) (group-id . 2) (uuid . 3) (parent . 4) (pkt-type . 5)) ;; ((id . 1) (group-id . 2) (uuid . 3) (parent . 4) (pkt-type . 5))
      (dblst->dpkts '(1 2 3 4 5)))
(test #f '(((apkt (Z . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (b . "C") (a . "A") (D . "1486332719.0") (C . " C++")) (id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (processed . 0)))
      ;; '(((apkt (Z . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (b . "C") (a . "A") (D . "1486332719.0") (C . " C++")) (id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84")))
      ;; '(((id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84")))
      (get-dpkts db '(basic) 0 #f))
(test #f '(((apkt (Z . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (b . "C") (a . "A") (D . "1486332719.0") (C . " C++")) (id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (processed . 0)))
      ;; '(((apkt (Z . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (b . "C") (a . "A") (D . "1486332719.0") (C . " C++")) (id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84")))
      ;; '(((id . 1) (group-id . 0) (uuid . "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84") (parent . "") (pkt-type . "basic") (pkt . "CC C++\nD 1486332719.0\na A\nb C\nZ 263eb3b6193de7fe65b1ded5bcda513e8b4d6b84")))
      (get-not-processed-pkts db 0 'basic 1000 0))
(test-end "lists of packets")

(test-begin "pkts as alists")
(define pktspec '((posting . ((title . t)   ;; NOTE: same as ((posting (title . t)(url . u)(blub . b)) ... 
			      (url   . u)
			      (blurb . b)))
		  (comment . ((comment . c)
			      (score   . s)))
		  (basic   . ((b-field . b)
			      (a-field . a)))))
(define pktlst (find-pkts db '(basic) '()))
(define dpkt (car pktlst))
(test #f "A" (get-value 'a-field dpkt pktspec))

(test #f "C" (alist-ref 'b-field (dpkt->alist dpkt pktspec)))

(define basic-spec '((nada (foo . b)(bar . f))(basic (foo . f)(bar . b))))
(define test-pkt   '((foo . "fooval")(bar . "barval")))
(let*-values (((u p)  (alist->pkt test-pkt basic-spec ptype: 'basic))
		((apkt) (pkt->alist p))
		((bpkt) (pkt->alist p pktspec: basic-spec)))
    (test #f "fooval" (alist-ref 'f apkt))
    (test #f "fooval" (alist-ref 'foo bpkt))
    (test #f #f       (alist-ref 'f   bpkt)))

(test-end "pkts as alists")

(test-begin "descendents and ancestors")

(define (get-uuid pkt)(alist-ref 'uuid pkt))

;; add a child to 263e
(let-values (((uuid pkt)
	      (construct-pkt 'x "X" 'y "Y" 'P "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84"
			     'D "1486332719.0")))
  (add-to-queue db pkt uuid 'basic "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84" 0))

(test #f '("263eb3b6193de7fe65b1ded5bcda513e8b4d6b84" "818fe30988c9673441b8f203972a8bda6af682f8")
      (map (lambda (x)(alist-ref 'uuid x))
	   (get-descendents
	    db 0
	    "263eb3b6193de7fe65b1ded5bcda513e8b4d6b84")))

(test #f '("263eb3b6193de7fe65b1ded5bcda513e8b4d6b84" "818fe30988c9673441b8f203972a8bda6af682f8")
      (map (lambda (x)(alist-ref 'uuid x))
	   (get-ancestors
	    db 0
	    "818fe30988c9673441b8f203972a8bda6af682f8")))

(test-end "descendents and ancestors")

(test-end "pkts and pkt archives")

(test-begin "pktsdb")

(define spec '((tests (testname n TEXT)
		      (testpath p TEXT)
		      (duration d INTEGER))))
;; (define pktsdb (make-pktdb))
;; (pktdb-pktsdb-spec-set! pktsdb spec)

(define pktsdb #f)

(test #f #t (dbi:database? (let ((pdb (pktsdb-open "test.db" spec)))
			     (set! pktsdb pdb)
			     (pktdb-conn pdb))))
;; (pp (pktdb-pktspec pktsdb))
(test #f #t (pktsdb-add-record pktsdb 'tests '((testname . "test1"))))

(pktsdb-close pktsdb)

(test-end "pktsdb")

Added attic/client.scm version [f0a5f3a990].





























































































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;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; C L I E N T S
;;======================================================================

(declare (unit client))

(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses commonmod))

(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
     message-digest matchable spiffy uri-common intarweb http-client
     spiffy-request-vars uri-common intarweb directory-utils)

(import commonmod
	debugprint)

(module client
*

)

(import client)

(include "common_records.scm")
(include "db_records.scm")

Added attic/http-transport.scm version [235baaba81].









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

(declare (unit http-transport))

(declare (uses common))
(declare (uses debugprint))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses server))
;; (declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses mtargs))

(module http-transport
*


(import srfi-1 posix regex regex-case srfi-69 hostinfo md5
	message-digest posix-extras spiffy uri-common intarweb http-client
	spiffy-request-vars intarweb spiffy-directory-listing
	(srfi 18) extras tcp s11n)

(import scheme
	chicken
	
	(prefix mtargs args:)
	debugprint)

;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048) 

(include "common_records.scm")
(include "db_records.scm")
(include "js-path.scm")

(import dbfile commonmod)

(require-library stml)
(define (http-transport:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define *server-loop-heart-beat* (current-seconds))

;;======================================================================
;; S E R V E R
;; ======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (http-transport:run hostn)
  ;; Configurations for server
  (tcp-buffer-size 2048)
  (max-connections 2048) 
  (debug:print 2 *default-log-port* "Attempting to start the server ...")
  (let* ((db              #f) ;;        (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
	 (hostname        (get-host-name))
	 (ipaddrstr       (let ((ipstr (if (string=? "-" hostn)
					   ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
					   (server:get-best-guess-address hostname)
					   #f)))
			    (if ipstr ipstr hostn))) ;; hostname))) 
	 (start-port      (portlogger:open-run-close portlogger:find-port))
	 (link-tree-path  (common:get-linktree))
	 (tmp-area        (common:get-db-tmp-area))
	 (start-file      (conc tmp-area "/.server-start")))
    (debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port)
    ;; set some parameters for the server
    (root-path     (if link-tree-path 
		       link-tree-path
		       (current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
    (handle-directory spiffy-directory-listing)
    (handle-exception (lambda (exn chain)
			(signal (make-composite-condition
				 (make-property-condition 
				  'server
				  'message "server error")))))

    ;; http-transport:handle-directory) ;; simple-directory-handler)
    ;; Setup the web server and a /ctrl interface
    ;;
    (vhost-map `(((* any) . ,(lambda (continue)
			       ;; open the db on the first call 
				 ;; This is were we set up the database connections
			       (let* (($   (request-vars source: 'both))
				      (dat ($ 'dat))
				      (res #f))
				 (cond
				  ((equal? (uri-path (request-uri (current-request)))
					   '(/ "api"))
				   (send-response body:    (api:process-request *dbstruct-dbs* $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *db-last-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "json_api"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ any))
				   (send-response body: "hey there!\n"
						  headers: '((content-type text/plain))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "hey"))
				   (send-response body: "hey there!\n" 
						  headers: '((content-type text/plain))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "jquery3.1.0.js"))
				   (send-response body: (http-transport:show-jquery) 
						  headers: '((content-type application/javascript))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "test_log"))
				   (send-response body: (http-transport:html-test-log $) 
						  headers: '((content-type text/HTML))))    
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "dashboard"))
				   (send-response body: (http-transport:html-dboard $) 
						  headers: '((content-type text/HTML)))) 
				  (else (continue))))))))
    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create file " start-file ", exn=" exn)
      (with-output-to-file start-file (lambda ()(print (current-process-id)))))
    (http-transport:try-start-server ipaddrstr start-port)))

;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
  (let ((config-hostname (configf:lookup *configdat* "server" "hostname"))
	(config-use-proxy (equal? (configf:lookup *configdat* "client" "use-http_proxy") "yes")))
    (if (not config-use-proxy)
	(determine-proxy (constantly #f)))
    (debug:print-info 0 *default-log-port* "http-transport:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum " config-hostname=" config-hostname)
    (handle-exceptions
	exn
	(begin
	  ;; (print-error-message exn)
	  (if (< portnum 64000)
	      (begin 
		(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
		(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
		(debug:print 5 *default-log-port* "exn=" (condition->list exn))
		(portlogger:open-run-close portlogger:set-failed portnum)
		(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
		(thread-sleep! 0.1)
		
		;; get_next_port goes here
		(http-transport:try-start-server ipaddrstr
						 (portlogger:open-run-close portlogger:find-port)))
	      (begin
		(debug:print 0 *default-log-port* "ERROR: Tried and tried but could not start the server"))))
      ;; any error in following steps will result in a retry
      (set! *server-info* (list ipaddrstr portnum))
      (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
      ;; This starts the spiffy server
      ;; NEED WAY TO SET IP TO #f TO BIND ALL
      ;; (start-server bind-address: ipaddrstr port: portnum)
      (if config-hostname ;; this is a hint to bind directly
	  (start-server port: portnum) ;; bind-address: (if (equal? config-hostname "-")
					;;		ipaddrstr
					;;		config-hostname))
	  (start-server port: portnum))
      (portlogger:open-run-close portlogger:set-port portnum "released")
      (debug:print 1 *default-log-port* "INFO: server has been stopped"))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;;======================================================================
;; C L I E N T S
;;======================================================================

(define *http-mutex* (make-mutex))

;; NOTE: Large block of code from 32436b426188080f72fceb6894af541fbad9921e removed here
;;       I'm pretty sure it is defunct.

;; This next block all imported en-mass from the api branch
(define *http-requests-in-progress* 0)
(define *http-connections-next-cleanup* (current-seconds))

(define (http-transport:get-time-to-cleanup)
  (let ((res #f))
    (mutex-lock! *http-mutex*)
    (set! res (> (current-seconds) *http-connections-next-cleanup*))
    (mutex-unlock! *http-mutex*)
    res))

(define (http-transport:inc-requests-count)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*))
  ;; Use this opportunity to slow things down iff there are too many requests in flight
  (if (> *http-requests-in-progress* 5)
      (begin
	(debug:print-info 0 *default-log-port* "Whoa there buddy, ease up...")
	(thread-sleep! 1)))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count proc) 
  (mutex-lock! *http-mutex*)
  (proc)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count-and-close-all-connections)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (let loop ((etime (+ (current-seconds) 5))) ;; give up in five seconds
    (if (> *http-requests-in-progress* 0)
	(if (> etime (current-seconds))
	    (begin
	      (thread-sleep! 0.05)
	      (loop etime))
	    (debug:print-error 0 *default-log-port* "requests still in progress after 5 seconds of waiting. I'm going to pass on cleaning up http connections"))
	(close-all-connections!)))
  (set! *http-connections-next-cleanup* (+ (current-seconds) 10))
  (mutex-unlock! *http-mutex*))

(define (http-transport:inc-requests-and-prep-to-close-all-connections)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*)))

;; Send "cmd" with json payload "params" to serverdat and receive result
;;
(define (http-transport:client-api-send-receive run-id runremote cmd params #!key (numretries 3))
  (assert (remote? runremote) "FATAL: http-transport:client-api-send-receive called with serverdat="serverdat)
  (let* ((fullurl    (remote-api-req runremote))
	 (res        (vector #f "uninitialized"))
	 (success    #t)
	 (sparams    (db:obj->string params transport: 'http))
         (server-id  (remote-server-id runremote)))
       (debug:print-info 11 *default-log-port* "cmd=" cmd " fullurl=" fullurl " server-id=" server-id " current time:" (current-seconds)) 

       ;; set up the http-client here
       (max-retry-attempts 1)
       ;; consider all requests indempotent
       (retry-request? (lambda (request)
			 #f))
       ;; send the data and get the response
       ;; extract the needed info from the http data and 
       ;; process and return it.
       (let* ((send-recieve (lambda ()
			      (mutex-lock! *http-mutex*)
			      ;; (condition-case (with-input-from-request "http://localhost"; #f read-lines)
			      ;;					       ((exn http client-error) e (print e)))
			      (set! res (vector                ;;; DON'T FORGET - THIS IS THE CLIENT SIDE! NOTE: consider moving this to client.scm since we are only supporting http transport at this time.
					 success
					 (db:string->obj 
					  (handle-exceptions
					      exn
					      (let ((call-chain (get-call-chain))
						    (msg        ((condition-property-accessor 'exn 'message) exn)))
						(set! success #f)
                                                (if (debug:debug-mode 1)
                                                    (debug:print-info 0 *default-log-port* "couldn't talk to server, trying again ...")
                                                    (begin
                                                      (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
                                                      (debug:print 0 *default-log-port* " message: " msg ", exn=" exn)
                                                      (debug:print 0 *default-log-port* " cmd: " cmd " params: " params " key:" (or server-id "thekey"))
                                                      (debug:print 0 *default-log-port* " call-chain: " call-chain)))
						;; what if another thread is communicating ok? Can't happen due to mutex
						(http-transport:close-connections runremote)
						(mutex-unlock! *http-mutex*)
						;; (close-connection! fullurl)
						(db:obj->string #f))
					      (with-input-from-request ;; was dat
					       fullurl 
					       (list (cons 'key (or server-id   "thekey"))
						     (cons 'cmd cmd)
						     (cons 'params sparams))
					       read-string))
					  transport: 'http)
					 0)) ;; added this speculatively
			      ;; Shouldn't this be a call to the managed call-all-connections stuff above?
			      ;; (close-all-connections!) ;; BUG? WHY IS THIS HERE? Are we failing to reuse connections?
			      (mutex-unlock! *http-mutex*)
			      ))
	      (time-out     (lambda ()
			      (thread-sleep! 45)
			      (debug:print 0 *default-log-port* "WARNING: send-receive took more than 45 seconds!!")
			      #f))
	      (th1 (make-thread send-recieve "with-input-from-request"))
	      (th2 (make-thread time-out     "time out")))
	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
          (vector-set! res 0 success)
	 (thread-terminate! th2)
	 (if (vector? res)
	     (if (vector-ref res 0) ;; this is the first flag or the second flag? 
                 (let* ((res-dat (vector-ref res 1)))
                    (if (and (string? res-dat) (string-contains res-dat "server-id mismatch"))
                     (signal (make-composite-condition
		          (make-property-condition 
		       'servermismatch
		       'message  (vector-ref res 1))))       
		      res)) ;; this is the *inner* vector? seriously? why?
                 (if (debug:debug-mode 11)
                     (let ((call-chain (get-call-chain))) ;; note: this code also called in nmsg-transport - consider consolidating it
                       (print-call-chain (current-error-port))
                       (debug:print-error 11 *default-log-port* "error above occured at server, res=" res) ;; " message: " ((condition-property-accessor 'exn 'message) exn))
                       (debug:print 11 *default-log-port* " server call chain:")
                       (pp (vector-ref res 1) (current-error-port))
                       (signal (vector-ref res 0)))
                     res))
	     (signal (make-composite-condition
		      (make-property-condition 
		       'timeout
		       'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections runremote)
  (if (remote? runremote)
      (let ((api-dat (remote-api-uri runremote)))
	(handle-exceptions
	    exn
	  (begin
	    (print-call-chain *default-log-port*)
	    (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))
	  (if (args:any-defined? "-server" "-execute" "-run")
	      (debug:print-info 0 *default-log-port* "Closing connections to "api-dat))
	  (if api-dat (close-connection! api-dat))

	  ;; Would it be better to set *runremote* to #f? I don't think so. But we may
	  ;; need to clear more of the runremote fields
	  (remote-api-url-set! runremote #f) ;; used as a flag for connection up and running
	  
	  #t))
      #f))

;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running) 
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")
  (let* ((servinfofile      #f)
	 (sdat              #f)
	 (no-sync-db        (db:open-no-sync-db))
	 (tmp-area          (common:get-db-tmp-area))
	 (started-file      (conc tmp-area "/.server-started"))
	 (server-start-time (current-seconds))
	 (server-info (let loop ((start-time (current-seconds))
				 (changed    #t)
				 (last-sdat  "not this"))
                        (begin ;; let ((sdat #f))
			  (thread-sleep! 0.01)
			  (debug:print-info 0 *default-log-port* "Waiting for server alive signature")
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *server-info*)
                          (mutex-unlock! *heartbeat-mutex*)
                          (if (and sdat
				   (not changed)
				   (> (- (current-seconds) start-time) 2))
			      (let* ((servinfodir (server:get-servinfo-dir *toppath*)) ;; (conc *toppath*"/.servinfo"))
				     (ipaddr      (car sdat))
				     (port        (cadr sdat))
				     (servinf     (conc servinfodir"/"ipaddr":"port)))
				(set! servinfofile servinf)
				(if (not (file-exists? servinfodir))
				    (create-directory servinfodir #t))
				(with-output-to-file servinf
				  (lambda ()
				    (let* ((serv-id (server:mk-signature)))
				      (set! *server-id* serv-id)
				      (print "SERVER STARTED: "ipaddr":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id))
				      (print "started: "(seconds->year-week/day-time (current-seconds))))))
				(set! *on-exit-procs* (cons
						       (lambda ()
							 (delete-file* servinf))
						       *on-exit-procs*))
				;; put data about this server into a simple flat file host.port
				(debug:print-info 0 *default-log-port* "Received server alive signature")
				sdat)
                              (begin
				(debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
                                (sleep 4)
				(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
                                    (if sdat 
				      (let* ((ipaddr  (car sdat))
					   (port    (cadr sdat))
					   (servinf (conc (server:get-servinfo-dir *toppath*)"/"ipaddr":"port)))
				        (debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
				      (exit))
                                      (exit)
                                    )
				    (loop start-time
					  (equal? sdat last-sdat)
					  sdat)))))))
	 (iface       (car server-info))
         (port        (cadr server-info))
         (last-access 0)
	 (server-timeout (server:expiration-timeout))
	 (server-going  #f)
	 (server-log-file (args:get-arg "-log"))) ;; always set when we are a server

    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create " started-file ", exn=" exn)
      (with-output-to-file started-file (lambda ()(print (current-process-id)))))

    (let loop ((count         0)
	       (server-state 'available)
	       (bad-sync-count 0)
	       (start-time     (current-milliseconds)))

      ;; Use this opportunity to sync the tmp db to megatest.db
      (if (not server-going) ;; *dbstruct-dbs* 
	  (begin
	    (debug:print 0 *default-log-port* "SERVER: dbprep")
	    (set! *dbstruct-dbs*  (db:setup #t)) ;;  run-id)) FIXME!!!
	    (set! server-going #t)
	    (debug:print 0 *default-log-port* "SERVER: running, megatest version: " (common:get-full-version))) ;; NOTE: the server is NOT yet marked as running in the log. We do that in the keep-running routine.
	  (if (and no-sync-db
		   (common:low-noise-print 10 "sync-all")) ;; cheesy way to reduce frequency of running sync :)
              (begin
		(if (common:low-noise-print 120 "sync-all-print")
                    (debug:print 0 *default-log-port* "keep-running calling db:all-db-sync at " (time->string (seconds->local-time) "%H:%M:%S")))
		(db:all-db-sync *dbstruct-dbs*)
		)))
      
      ;; when things go wrong we don't want to be doing the various queries too often
      ;; so we strive to run this stuff only every four seconds or so.
      (let* ((sync-time (- (current-milliseconds) start-time))
	    (rem-time  (quotient (- 4000 sync-time) 1000)))
	(if (and (<= rem-time 4)
		 (>  rem-time 0))
	    (thread-sleep! rem-time)))
      
      (if (< count 1) ;; 3x3 = 9 secs aprox
	  (loop (+ count 1) 'running bad-sync-count (current-milliseconds)))
      
      ;; Check that iface and port have not changed (can happen if server port collides)
      (mutex-lock! *heartbeat-mutex*)
      (set! sdat *server-info*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (not (equal? sdat (list iface port)))
	  (let ((new-iface (car sdat))
		(new-port  (cadr sdat)))
	    (debug:print-info 0 *default-log-port* "WARNING: interface changed, refreshing iface and port info")
	    (set! iface new-iface)
	    (set! port  new-port)
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
	    (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	    (flush-output *default-log-port*)))
      
      ;; Transfer *db-last-access* to last-access to use in checking that we are still alive
      (mutex-lock! *heartbeat-mutex*)
      (set! last-access *db-last-access*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (common:low-noise-print 120 (conc "server running on " iface ":" port))
	  (begin
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
             (debug:print 0 *default-log-port* (current-seconds) (current-directory) (current-process-id) (argv))   
	     (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	     (flush-output *default-log-port*)))
      (if (common:low-noise-print 60 "dbstats")
	  (begin
	    (debug:print 0 *default-log-port* "Server stats:")
	    (db:print-current-query-stats)))
      (let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	(cond
         ((and *server-run*
	       (> (+ last-access server-timeout)
		  (current-seconds)))
          (if (common:low-noise-print 120 "server continuing")
              (debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access))
	      (let ((curr-time (current-seconds)))
		(handle-exceptions
		    exn
		    (debug:print 0 *default-log-port* "ERROR: Failed to change timestamp on info file " servinfofile ". Are you out of space on that disk? exn=" exn)
		    (if (and ;; (< (- (current-seconds) server-start-time) 600) ;; run for ten minutes for experiment, 3600 thereafter
			     (not *server-overloaded*)
			     (file-exists? servinfofile))
			(change-file-times servinfofile curr-time curr-time)))
		(if (and (common:low-noise-print 120 "start new server")
			(> *api-process-request-count* 50)) ;; if this server is kind of busy start up another
		    (begin
		      (debug:print-info 0 *default-log-port* "Server is busy, api-count "*api-process-request-count*", start another if possible...")
		      (server:kind-run *toppath*)
		      (if (> *api-process-request-count* 100)
			  (begin
			    (debug:print-info 0 *default-log-port* "Server is overloaded at api-count=" *api-process-request-count*", removing "servinfofile) 
			    (delete-file* servinfofile)))))))
          (loop 0 server-state bad-sync-count (current-milliseconds)))
         (else
          (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
          (http-transport:server-shutdown port)))))))

(define (http-transport:server-shutdown port)
  (begin
    ;;(BB> "http-transport:server-shutdown called")
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
    ;;
    ;; start_shutdown
    ;;
    (set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 1)

    ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
    ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
    ;; (debug:print-info 0 *default-log-port* "Average cached write time "
    ;; 		      (if (eq? *number-of-writes* 0)
    ;; 			  "n/a (no writes)"
    ;; 			  (/ *writes-total-delay*
    ;; 			     *number-of-writes*))
    ;; 		      " ms")
    ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
    ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
    ;; 		      (if (eq? *number-non-write-queries* 0)
    ;; 			  "n/a (no queries)"
    ;; 			  (/ *total-non-write-delay* 
    ;; 			     *number-non-write-queries*))
    ;; 		      " ms")
    
    (db:print-current-query-stats)
    #;(common:save-pkt `((action . exit)
                       (T      . server)
                       (pid    . ,(current-process-id)))
    *configdat* #t)

    ;; remove .servinfo file(s) here
    
    (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
    (exit)))

;; all routes though here end in exit ...
;;
;; start_server? 
;;
(define (http-transport:launch)
  ;; check the .servinfo directory, are there other servers running on this
  ;; or another host?
  (let* ((server-start-is-ok  (server:minimal-check *toppath*)))
    (if (not server-start-is-ok)
	(begin
	  (debug:print 0 *default-log-port* "ERROR: server start not ok, exiting now.")
	  (exit 1))))
    
  ;; check that a server start is in progress, pause or exit if so
  (let* ((th2 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server run thread started")
                             (http-transport:run 
                              (if (args:get-arg "-server")
                                  (args:get-arg "-server")
                                  "-")
                              )) "Server run"))
         (th3 (make-thread (lambda ()
                             (debug:print-info 0 *default-log-port* "Server monitor thread started")
                             (http-transport:keep-running)
                             "Keep running"))))
    (thread-start! th2)
    (thread-sleep! 0.25) ;; give the server time to settle before starting the keep-running monitor.
    (thread-start! th3)
    (set! *didsomething* #t)
    (thread-join! th2)
    (exit)))

;; (define (http-transport:server-signal-handler signum)
;;   (signal-mask! signum)
;;   (handle-exceptions
;;    exn
;;    (debug:print 0 *default-log-port* " ... exiting ...")
;;    (let ((th1 (make-thread (lambda ()
;; 			     (thread-sleep! 1))
;; 			   "eat response"))
;; 	 (th2 (make-thread (lambda ()
;; 			     (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; 			     (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
;; 			     (debug:print 0 *default-log-port* "       Done.")
;; 			     (exit 4))
;; 			   "exit on ^C timer")))
;;      (thread-start! th2)
;;      (thread-start! th1)
;;      (thread-join! th2))))

;;===============================================
;; Java script
;;===============================================
(define (http-transport:show-jquery)
  (let* ((data  (tests:readlines *java-script-lib*)))
(string-join data "\n")))



;;======================================================================
;; web pages
;;======================================================================

(define (http-transport:html-test-log $)
   (let* ((run-id ($ 'runid))
         (test-item ($ 'testname))
         (parts (string-split test-item ":"))
         (test-name (car parts))
             
         (item-name (if (equal? (length parts) 1)
             ""
             (cadr parts))))
  ;(print $) 
(tests:get-test-log run-id test-name item-name)))


(define (http-transport:html-dboard $)
  (let* ((page ($ 'page))
         (oup       (open-output-string)) 
         (bdy "--------------------------")

         (ret  (tests:dynamic-dboard page)))
    (s:output-new  oup  ret)
   (close-output-port oup)

  (set! bdy   (get-output-string oup))
     (conc "<h1>Dashboard</h1>" bdy "<br/> <br/> "  )))

(define (http-transport:main-page)
  (let ((linkpath (root-path)))
    (conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
	  "<body>"
	  "Run area: " *toppath*
	  "<h2>Server Stats</h2>"
	  (http-transport:stats-table) 
	  "<hr>"
	  (http-transport:runs linkpath)
	  "<hr>"
	  ;; (http-transport:run-stats)
	  "</body>"
	  )))

(define (http-transport:stats-table)
  (mutex-lock! *heartbeat-mutex*)
  (let ((res 
	 (conc "<table>"
	       ;; "<tr><td>Max cached queries</td>        <td>" *max-cache-size* "</td></tr>"
	       "<tr><td>Number of cached writes</td>   <td>" *number-of-writes* "</td></tr>"
	       "<tr><td>Average cached write time</td> <td>" (if (eq? *number-of-writes* 0)
								 "n/a (no writes)"
								 (/ *writes-total-delay*
								    *number-of-writes*))
	       " ms</td></tr>"
	       "<tr><td>Number non-cached queries</td> <td>"  *number-non-write-queries* "</td></tr>"
	       ;; "<tr><td>Average non-cached time</td>   <td>" (if (eq? *number-non-write-queries* 0)
	       ;; 							 "n/a (no queries)"
	       ;; 							 (/ *total-non-write-delay* 
	       ;; 							    *number-non-write-queries*))
	       " ms</td></tr>"
	       "<tr><td>Last access</td><td>"              (seconds->time-string *db-last-access*) "</td></tr>"
	       "</table>")))
    (mutex-unlock! *heartbeat-mutex*)
    res))

(define (http-transport:runs linkpath)
  (conc "<h3>Runs</h3>"
	(string-intersperse
	 (let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
	   (map (lambda (p)
		  (conc "<a href=\"" p "\">" p "</a><br>"))
		files))
	 " ")))

#;(define (http-transport:run-stats)
  (let ((stats (open-run-close db:get-running-stats #f)))
    (conc "<table>"
	  (string-intersperse
	   (map (lambda (stat)
		  (conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
		stats)
	   " ")
	  "</table>")))
)

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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))
(import commonmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; Populate the links tree with index.html files
;;
;;   - start from most recent tests and work towards oldest -OR-
;;     start from deepest hierarchy and work way up
;;   - look up tests in megatest.db
;;   - cross-reference the tests to stats.db
;;   - if newer than event_time in stats.db or not registered in stats.db regenerate
;;   - run du and store in stats.db
;;   - when all tests at that level done generate next level up index.html
;; 
;;     include in rollup html index.html:
;;          sum of du
;;          counts of PASS, FAIL, RUNNING, REMOTEHOSTSTART, LAUNCHED, CHECK etc.
;;          overall status
;;
;;     include in test specific index.html:
;;          host, uname, cpu graph, disk avail graph, steps, data
;;          meta data, state, status, du
;;          

Added attic/lock-queue.scm version [5f0ac4e80e].





































































































































































































































































































































































































































































































































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;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(use (prefix sqlite3 sqlite3:) srfi-18)

(declare (unit lock-queue))
(declare (uses common))
(declare (uses debugprint))
(declare (uses tasks))
(declare (uses commonmod))

(import commonmod
	debugprint)

;;======================================================================
;; attempt to prevent overlapping updates of rollup files by queueing
;; update requests in an sqlite db
;;======================================================================

;;======================================================================
;; db record, <vector db path-to-db>
;;======================================================================

(define (make-lock-queue:db-dat)(make-vector 3))
(define-inline (lock-queue:db-dat-get-db        vec)    (vector-ref  vec 0))
(define-inline (lock-queue:db-dat-get-path      vec)    (vector-ref  vec 1))
(define-inline (lock-queue:db-dat-set-db!       vec val)(vector-set! vec 0 val))
(define-inline (lock-queue:db-dat-set-path!     vec val)(vector-set! vec 1 val))

(define (lock-queue:delete-lock-db dbdat)
  (let ((fname (lock-queue:db-dat-get-path dbdat)))
    (system (conc "rm -f " fname "*"))))

(define (lock-queue:open-db fname #!key (count 10))
  (let* ((actualfname (conc fname ".lockdb"))
	 (dbexists (common:file-exists? actualfname))
	 (db       (sqlite3:open-database actualfname))
	 (handler  (make-busy-timeout 136000)))
    (if dbexists
	(vector db actualfname)
	(begin
	  (handle-exceptions
	   exn
	   (begin
	     (thread-sleep! 10)
	     (if (> count 0)
		 (lock-queue:open-db fname count: (- count 1))
		 (vector db actualfname)))
	   (sqlite3:with-transaction
	    db
	    (lambda ()
	      (sqlite3:execute 
	       db
	       "CREATE TABLE IF NOT EXISTS queue (
     	         id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 start_time INTEGER,
                 state      TEXT,
                 CONSTRAINT queue_constraint UNIQUE (test_id));")
	      (sqlite3:execute
	       db
	       "CREATE TABLE IF NOT EXISTS runlocks (
                 id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 run_lock   TEXT,
                 CONSTRAINT runlock_constraint UNIQUE (run_lock));"))))))
    (sqlite3:set-busy-handler! db handler)
    (vector db actualfname)))

(define (lock-queue:set-state dbdat test-id newstate #!key (remtries 10))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:set-state. Trying again in 30 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 30)
	 (lock-queue:set-state dbdat test-id newstate remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to set lock state for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "UPDATE queue SET state=? WHERE test_id=?;"
		    newstate
		    test-id)))

(define (lock-queue:any-younger? dbdat mystart test-id #!key (remtries 10))
  ;; no need to wait on journal on read only queries
  ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:any-younger. Removing lockdb and trying again in 5 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 5)
         (lock-queue:delete-lock-db dbdat)
	 (lock-queue:any-younger? dbdat mystart test-id remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to find younger locks for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (let ((res #f))
     (sqlite3:for-each-row
      (lambda (tid)
	;; Actually this should not be needed as mystart cannot be simultaneously less than and test-id same as 
	(if (not (equal? tid test-id)) 
	    (set! res tid)))
      (lock-queue:db-dat-get-db dbdat)
      "SELECT test_id FROM queue WHERE start_time > ?;" mystart)
     res)))

(define (lock-queue:get-lock dbdat test-id #!key (count 10)(waiting-msg #f))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 remove: #t waiting-msg: "lock-queue:get-lock, waiting on journal")
  (let* ((res       #f)
	 (db        (lock-queue:db-dat-get-db dbdat))
	 (lckqry    (sqlite3:prepare db "SELECT test_id,run_lock FROM runlocks WHERE run_lock='locked';"))
	 (mklckqry  (sqlite3:prepare db "INSERT INTO runlocks (test_id,run_lock) VALUES (?,'locked');")))
    (let ((result 
	   (handle-exceptions
	    exn
	    (begin
	      (debug:print 0 *default-log-port* "WARNING: failed to get queue lock. Removing lock db and returning fail") ;; Will try again in a few seconds")
	      (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	      (thread-sleep! 10)
	      ;; (if (> count 0)	
	      ;;  #f ;; (lock-queue:get-lock dbdat test-id count: (- count 1)) - give up on retries 
	      ;; (begin ;; never recovered, remote the lock file and return #f, no lock obtained
	      (lock-queue:delete-lock-db dbdat)
	      #f)
	    (sqlite3:with-transaction
	     db
	     (lambda ()
	       (sqlite3:for-each-row (lambda (tid lockstate)
				       (set! res (list tid lockstate)))
				     lckqry)
	       (if res
		   (if (equal? (car res) test-id)
		       #t ;; already have the lock
		       #f)
		   (begin
		     (sqlite3:execute mklckqry test-id)
		     ;; if no error handled then return #t for got the lock
		     #t)))))))
      (sqlite3:finalize! lckqry)
      (sqlite3:finalize! mklckqry)
      result)))

(define (lock-queue:release-lock fname test-id #!key (count 10))
  (let* ((dbdat (lock-queue:open-db fname)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:release-lock; waiting on journal")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to release queue lock. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! (/ count 10))
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat))
	     (lock-queue:release-lock fname test-id count: (- count 1)))
	   (let ((journal (conc fname "-journal")))
	     ;; If we've tried ten times and failed there is a serious problem
	     ;; try to remove the lock db and allow it to be recreated
	     (handle-exceptions
	      exn
	      #f
	      (if (common:file-exists? journal)(delete-file journal))
	      (if (common:file-exists? fname)  (delete-file fname))
	      #f))))
     (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE test_id=?;" test-id)
     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat)))))

(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
  (debug:print-info 0 *default-log-port* "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: Failed to steal queue lock. Will try again in few seconds")
     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
     (thread-sleep! 10)
     (if (> count 0)
	 (lock-queue:steal-lock dbdat test-id count: (- count 1))
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE run_lock='locked';"))
  (lock-queue:get-lock dbdat test-it))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id #!key (count 10)(waiting-msg #f))
  (let* ((dbdat   (lock-queue:open-db fname))
	 (mystart (current-seconds))
	 (db      (lock-queue:db-dat-get-db dbdat)))
    ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 *default-log-port* "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain (current-error-port))
	     #f)))
     ;; wait 10 seconds and then check to see if someone is already updating the html
     (thread-sleep! 10)
     (if (not (lock-queue:any-younger? dbdat mystart test-id)) ;; no processing in flight, must try to start processing
	 (begin
	   (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
	   (sqlite3:execute
	    db
	    "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
	    test-id mystart)
	   ;; (thread-sleep! 1) ;; give other tests a chance to register
	   (let ((result 
		  (let loop ((younger-waiting (lock-queue:any-younger? dbdat mystart test-id)))
		    (if younger-waiting
			(begin
			  ;; no need for us to wait. mark in the lock queue db as skipping
			  ;; no point in marking anything in the queue - simply never register this
			  ;; test as it is *covered* by a previously started update to the html file
			  ;; (lock-queue:set-state dbdat test-id "skipping")
			  #f) ;; let the calling process know that nothing needs to be done
			(if (lock-queue:get-lock dbdat test-id)
			    #t
			    (if (> (- (current-seconds) mystart) 36000) ;; waited too long, steal the lock
				(lock-queue:steal-lock dbdat test-id)
				(begin
				  (thread-sleep! 1)
				  (loop (lock-queue:any-younger? dbdat mystart test-id)))))))))
	     (sqlite3:finalize! db)
	     result))))))
	  
            
;; (use trace)
;; (trace lock-queue:get-lock lock-queue:release-lock lock-queue:wait-turn lock-queue:any-younger? lock-queue:set-state)

Added attic/margs.scm version [d9dd6e93ad].















































































































































































































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;; Copyright 2007-2010, Matthew Welland.
;;
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.


(declare (unit margs))
;; (declare (uses common))

(define args:arg-hash (make-hash-table))

(define (args:get-arg arg . default)
  (if (null? default)
      (hash-table-ref/default args:arg-hash arg #f)
      (hash-table-ref/default args:arg-hash arg (car default))))

;; get an arg as a number
(define (args:get-arg-number arg . default)
  (let* ((val-str (args:get-arg arg))
	 (val     (if val-str (string->number val-str) #f)))
    (if val
	val
	(if (null? default)
	    #f
	    default))))

(define (args:get-arg-from ht arg . default)
  (if (null? default)
      (hash-table-ref/default ht arg #f)
      (hash-table-ref/default ht arg (car default))))


(define (args:remove-arg-from-ht arg)
      (hash-table-delete! args:arg-hash arg)
)

(define (args:usage . args)
  (if (> (length args) 0)
      (apply print "ERROR: " args))
  (if (string? help)
      (print help)
      (print "Usage: " (car (argv)) " ... "))
  (exit 0))

(define (args:any-defined? . args)
  (not (null? (filter (lambda (x) x)
		      (map args:get-arg args)))))

;;  ;; one-of args defined
;; (define (args:any-defined? . param)
;;   (let ((res #f))
;;     (for-each 
;;      (lambda (arg)
;;        (if (args:get-arg arg)(set! res #t)))
;;      param)
;;     res))

;; args: 
(define (args:get-args args params switches arg-hash num-needed)
  (let* ((numargs (length args))
	 (adj-num-needed (if num-needed (+ num-needed 2) #f)))
    (if (< numargs (if adj-num-needed adj-num-needed 2))
	(if (>= num-needed 1)
	    (args:usage "No arguments provided")
	    '())
	(let loop ((arg (cadr args))
		   (tail (cddr args))
		   (remargs '()))
	  (cond 
	   ((member arg params) ;; args with params
	    (if (< (length tail) 1)
		(args:usage "param given without argument " arg)
		(let ((val     (car tail))
		      (newtail (cdr tail)))
		  (hash-table-set! arg-hash arg val)
		  (if (null? newtail) remargs
		      (loop (car newtail)(cdr newtail) remargs)))))
	   ((member arg switches)         ;; args with no params (i.e. switches)
	    (hash-table-set! arg-hash arg #t)
	    (if (null? tail) remargs
		(loop (car tail)(cdr tail) remargs)))
	   (else
	    (if (null? tail)(append remargs (list arg)) ;; return the non-used args
		(loop (car tail)(cdr tail)(append remargs (list arg))))))))
    ))

(define (args:print-args remargs arg-hash)
  (print "ARGS: " remargs)
  (for-each (lambda (arg)
	      (print "   " arg "   " (hash-table-ref/default arg-hash arg #f)))
	    (hash-table-keys arg-hash)))

Added attic/mlaunch.scm version [62be2ae3e1].







































































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;; Copyright 2006-2014, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

;;======================================================================
;; MLAUNCH
;;
;;   take jobs from the given queue and keep launching them keeping
;;   the cpu load at the targeted level
;;
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 format)

(declare (unit mlaunch))
(declare (uses db))
(declare (uses common))
(declare (uses commonmod))
(import commonmod)

Added attic/portlogger-example.scm version [79b0759ae8].











































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;;  Copyright 2006-2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.


(declare (uses portlogger))

(print (apply portlogger:main (cdr (argv))))

Added attic/synchash.scm version [6e3717b1e0].



















































































































































































































































































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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

;;======================================================================
;; A hash of hashes that can be kept in sync by sending minial deltas
;;======================================================================

(use format)
(use srfi-1 srfi-69 sqlite3)
(import (prefix sqlite3 sqlite3:))

(declare (unit synchash))
(declare (uses db))
(declare (uses server))
(declare (uses rmtmod))

(include "db_records.scm")

(import rmtmod)

(define (synchash:make)
   (make-hash-table))

;; given an alist of objects '((id obj) ...) 
;;   1. remove unchanged objects from the list
;;   2. create a list of removed objects by id
;;   3. remove removed objects from synchash
;;   4. replace or add new or changed objects to synchash
;;
(define (synchash:get-delta indat synchash)
  (let ((deleted '())
	(changed '())
	(found   '())
	(orig-keys (hash-table-keys synchash)))
    (for-each
     (lambda (item)
       (let* ((id  (car  item))
	      (dat (cadr item))
	      (ref (hash-table-ref/default synchash id #f)))
	 (if (not (equal? dat ref)) ;; item changed or new
	     (begin
	       (set! changed (cons item changed))
	       (hash-table-set! synchash id dat)))
	 (set! found (cons id found))))
     indat)
    (for-each 
     (lambda (id)
       (if (not (member id found))
	   (begin
	     (set! deleted (cons id deleted))
	     (hash-table-delete! synchash id))))
     orig-keys)
    (list changed deleted)
    ;; (list indat '()) ;; just for debugging
    ))
    
;; keynum => the field to use as the unique key (usually 0 but can be other field)
;;
(define (synchash:client-get proc synckey keynum synchash run-id . params)
  (let* ((data   (rmt:synchash-get run-id proc synckey keynum params))
	 (newdat (car data))
	 (removs (cadr data))
	 (myhash (hash-table-ref/default synchash synckey #f)))
    (if (not myhash)
	(begin
	  (set! myhash (make-hash-table))
	  (hash-table-set! synchash synckey myhash)))
    (for-each 
     (lambda (item)
       (let ((id  (car item))
	     (dat (cadr item)))
	 ;; (debug:print-info 2 *default-log-port* "Processing item: " item)
	 (hash-table-set! myhash id dat)))
     newdat)
    (for-each
     (lambda (id)
       (hash-table-delete! myhash id))
     removs)
    ;; WHICH ONE!?
    ;; data)) ;; return the changed and deleted list
    (list newdat removs))) ;; synchash))

(define *synchashes* (make-hash-table))

(define (synchash:server-get dbstruct run-id proc synckey keynum params)
  ;; (debug:print-info 2 *default-log-port* "synckey: " synckey ", keynum: " keynum ", params: " params)
  (let* ((dbdat     (db:get-db dbstruct run-id))
	 (db        (db:dbdat-get-db dbdat))
	 (synchash  (hash-table-ref/default *synchashes* synckey #f))
	 (newdat    (apply (case proc
			     ((db:get-runs)                   db:get-runs)
			     ((db:get-tests-for-run-mindata)  db:get-tests-for-run-mindata)
			     ((db:get-test-info-by-ids)       db:get-test-info-by-ids)
			     (else
			      (print "ERROR: sync for hash " proc " not setup! Edits needed in synchash.scm")
			      print))
			   db params))
	 (postdat  #f)
	 (make-indexed (lambda (x)
			 (list (vector-ref x keynum) x))))
    ;; Now process newdat based on the query type
    (set! postdat (case proc
		    ((db:get-runs)
		     ;; (debug:print-info 2 *default-log-port* "Get runs call")
		     (let ((header (vector-ref newdat 0))
			   (data   (vector-ref newdat 1)))
		       ;; (debug:print-info 2 *default-log-port* "header: " header ", data: " data)
		       (cons (list "header" header)         ;; add the header keyed by the word "header"
			     (map make-indexed data))))        ;; add each element keyed by the keynum'th val
		    (else 
		     ;; (debug:print-info 2 *default-log-port* "Non-get runs call")
		     (map make-indexed newdat))))
    ;; (debug:print-info 2 *default-log-port* "postdat: " postdat)
    ;; (if (not indb)(sqlite3:finalize! db))
    (if (not synchash)
	(begin
	  (set! synchash (make-hash-table))
	  (hash-table-set! *synchashes* synckey synchash)))
    (synchash:get-delta postdat synchash)))

Modified cgisetup/models/pgdb.scm from [4136225c9c] to [2ad595b83f].

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit pgdb))
(declare (uses configf))


;; I don't know how to mix compilation units and modules, so no module here.
;;
;; (module pgdb
;;     (
;;      open-pgdb
;;      )
;; 
;; (import scheme)
;; (import data-structures)
;; (import chicken)

(use typed-records (prefix dbi dbi:))


;; given a configdat lookup the connection info and open the db
;;
(define (pgdb:open configdat #!key (dbname #f)(dbispec #f))  
  (let ((pgconf (or dbispec
		    (args:get-arg "-pgsync")
		    (if configdat







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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit pgdb))
(declare (uses configf))
(declare (uses mtargs))

;; I don't know how to mix compilation units and modules, so no module here.
;;
;; (module pgdb
;;     (
;;      open-pgdb
;;      )
;; 
;; (import scheme)
;; (import data-structures)
;; (import chicken)

(use typed-records (prefix dbi dbi:))
(import (prefix mtargs args:))

;; given a configdat lookup the connection info and open the db
;;
(define (pgdb:open configdat #!key (dbname #f)(dbispec #f))  
  (let ((pgconf (or dbispec
		    (args:get-arg "-pgsync")
		    (if configdat

Deleted client.scm version [2a6738b25e].

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;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; C L I E N T S
;;======================================================================

(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
     message-digest matchable spiffy uri-common intarweb http-client
     spiffy-request-vars uri-common intarweb directory-utils)

(declare (unit client))

(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

;; client:get-signature
(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (conc (get-host-name) " " (current-process-id))))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;; Not currently used! But, I think it *should* be used!!!
#;(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (client:get-signature)))))
    ok))

(define (client:setup areapath #!key (remaining-tries 100) (failed-connects 0))
  (client:setup-http areapath remaining-tries: remaining-tries failed-connects: failed-connects))

;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios. 
;;   1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;;   2. We are a run tests, list runs or other interactive process and we must figure out
;;      *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
 
(define (client:setup-http areapath #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
  (mutex-lock! *rmt-mutex*)
  (let ((res (client:setup-http-baby areapath remaining-tries: remaining-tries failed-connects: failed-connects area-dat: area-dat)))
    (mutex-unlock! *rmt-mutex*)
    res))

(define (client:setup-http-baby areapath #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
  (debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
  (server:start-and-wait areapath)
  (if (<= remaining-tries 0)
      (begin
	(debug:print-error 0 *default-log-port* "failed to start or connect to server")
	(exit 1))
      ;;
      ;; Alternatively here, we can get the list of candidate servers and work our way
      ;; through them searching for a good one.
      ;;
      (let* ((server-dat (server:choose-server areapath 'best))
	     (runremote  (or area-dat *runremote*)))
	(if (not server-dat) ;; no server found
	    (client:setup-http-baby areapath remaining-tries: (- remaining-tries 1))
	    (match server-dat
	      ((host port start-time server-id pid)
	       (debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
	       (if (and (not area-dat)
			(not *runremote*))
                   (begin       
		     (set! *runremote* (make-remote))
                     (let* ((server-info (remote-server-info *runremote*))) 
                       (if server-info
                           (begin
                             (remote-server-url-set! *runremote* (server:record->url server-info))
                             (remote-server-id-set! *runremote* (server:record->id server-info)))))))
	       (if (and host port server-id)
		   (let* ((start-res (http-transport:client-connect host port server-id))
			  (ping-res  (rmt:login-no-auto-client-setup start-res)))
		     (if (and start-res
			      ping-res)
			 (let ((runremote (or area-dat *runremote*))) ;; it might have been generated only a few statements ago
			   (if runremote
			       (begin
				 (remote-conndat-set! runremote start-res) ;; (hash-table-set! runremote run-id start-res)
				 (debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
				 start-res)
			       (client:setup-http-baby areapath remaining-tries: (- remaining-tries 1))))
			 (begin    ;; login failed but have a server record, clean out the record and try again
			   (debug:print-info 0 *default-log-port* "client:setup, login unsuccessful, will attempt to start server ... start-res=" start-res ", server-dat=" server-dat) ;; had runid.  Fixes part of Randy;s ticket 1405717332
			   (case *transport-type* 
			     ((http)(http-transport:close-connections)))
                           (if *runremote* 
			       (remote-conndat-set! runremote #f)  ;; (hash-table-delete! runremote run-id)
                               )
			   (thread-sleep! 1)
			   (client:setup-http-baby areapath remaining-tries: (- remaining-tries 1))
			   )))
		   (begin    ;; no server registered
		     ;; (server:kind-run areapath)
		     (server:start-and-wait areapath)
		     (debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries)
		     (thread-sleep! 1) ;; (+ 5 (random (- 20 remaining-tries))))  ;; give server a little time to start up, randomize a little to avoid start storms.
		     (client:setup-http-baby areapath remaining-tries: (- remaining-tries 1)))))
	      (else
	       (debug:print 0 *default-log-port* "ERROR: malformed server-dat="server-dat)))))))

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Modified common.scm from [5559976353] to [00402a6248].

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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================







(use srfi-1 data-structures posix regex-case (prefix base64 base64:)
     format dot-locking csv-xml z3 udp ;; sql-de-lite
     hostinfo md5 message-digest typed-records directory-utils stack
     matchable regex posix (srfi 18) extras ;; tcp 
     (prefix nanomsg nmsg:)
     (prefix sqlite3 sqlite3:)
     pkts (prefix dbi dbi:)
     )


(declare (unit common))
(declare (uses commonmod))
(import commonmod)




(include "common_records.scm")


;; (require-library margs)
;; (include "margs.scm")

;; (define old-exit exit)
;; 
;; (define (exit . code)
;;   (if (null? code)
;;       (old-exit)
;;       (old-exit code)))

(define (stop-the-train)
  (thread-start! (make-thread (lambda ()
				(let loop ()
				  (if (and *toppath*
					   (file-exists? (conc *toppath*"/stop-the-train")))


				      (begin
					(debug:print 0 *default-log-port* "ERROR: found file "*toppath*"/stop-the-train, exiting immediately")



					(exit 1)))
				  (thread-sleep! 5)
				  (loop))))))

;; execute thunk, return value.  If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; arguments - thunk, message
(define (common:fail-safe thunk warning-message-on-exception)







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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit common))
(declare (uses commonmod))
(declare (uses rmtmod))
(declare (uses debugprint))
(declare (uses mtargs))

(use srfi-1 data-structures posix regex-case (prefix base64 base64:)
     format dot-locking csv-xml z3 udp ;; sql-de-lite
     hostinfo md5 message-digest typed-records directory-utils stack
     matchable regex posix (srfi 18) extras ;; tcp 
     (prefix nanomsg nmsg:)
     (prefix sqlite3 sqlite3:)
     pkts (prefix dbi dbi:)
     )
(use posix-extras pathname-expand files)



(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

(include "common_records.scm")

(define (remove-files filespec)
  (let ((files (glob filespec)))

    (for-each delete-file files)))







(define (stop-the-train)
  (thread-start! (make-thread (lambda ()
				(let loop ()
				  (if (and *toppath*
					   (file-exists? (conc *toppath*"/stop-the-train")))
				      (let* ((msg (conc "ERROR: found file "*toppath*"/stop-the-train, exiting immediately")))
					;; yes, print to current-output-port AND *default-log-port*, annoying but necessary I think
					(print msg)
					(debug:print 0 *default-log-port* msg)
                                        (remove-files (conc *toppath* "/logs/server*"))
                                        (remove-files (conc *toppath* "/.servinfo/*"))
                                        (remove-files (conc *toppath* "/.mtdb/*lock"))
					(exit 1)))
				  (thread-sleep! 5)
				  (loop))))))

;; execute thunk, return value.  If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; arguments - thunk, message
(define (common:fail-safe thunk warning-message-on-exception)
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;; (define *db-last-sync*        0)                 ;; last time the sync to megatest.db happened
(define *db-sync-in-progress* #f)                ;; if there is a sync in progress do not try to start another
;; (define *db-multi-sync-mutex* (make-mutex))      ;; protect access to *db-sync-in-progress*, *db-last-sync*
;; task db
(define *task-db*             #f) ;; (vector db path-to-db)
(define *db-access-allowed*   #t) ;; flag to allow access
;; (define *db-access-mutex*     (make-mutex)) ;; moved to dbfile
(define *db-transaction-mutex* (make-mutex))
(define *db-cache-path*       #f)
;; (define *db-with-db-mutex*    (make-mutex))
(define *db-api-call-time*    (make-hash-table)) ;; hash of command => (list of times)
;; no sync db
;; (define *no-sync-db*          #f)  ;; moved to dbfile

;; SERVER
(define *my-client-signature* #f)
(define *transport-type*    'http)             ;; override with [server] transport http|rpc|nmsg
(define *runremote*         #f)                ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size*    0)
(define *logged-in-clients* (make-hash-table))
(define *server-id*         #f)
(define *server-info*       #f)  ;; good candidate for easily convert to non-global
(define *time-to-exit*      #f)







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;; (define *db-last-sync*        0)                 ;; last time the sync to megatest.db happened
(define *db-sync-in-progress* #f)                ;; if there is a sync in progress do not try to start another
;; (define *db-multi-sync-mutex* (make-mutex))      ;; protect access to *db-sync-in-progress*, *db-last-sync*
;; task db
(define *task-db*             #f) ;; (vector db path-to-db)
(define *db-access-allowed*   #t) ;; flag to allow access
;; (define *db-access-mutex*     (make-mutex)) ;; moved to dbfile
;; (define *db-transaction-mutex* (make-mutex))
(define *db-cache-path*       #f)
;; (define *db-with-db-mutex*    (make-mutex))
(define *db-api-call-time*    (make-hash-table)) ;; hash of command => (list of times)



;; SERVER

(define *transport-type*    'http)             ;; override with [server] transport http|rpc|nmsg
(define *runremote*         #f)                ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size*    0)
(define *logged-in-clients* (make-hash-table))
(define *server-id*         #f)
(define *server-info*       #f)  ;; good candidate for easily convert to non-global
(define *time-to-exit*      #f)
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(define *launch-setup-mutex* (make-mutex))     ;; need to be able to call launch:setup often so mutex it and re-call the real deal only if *toppath* not set
(define *homehost-mutex*     (make-mutex))

;; Miscellaneous
(define *triggers-mutex*     (make-mutex))     ;; block overlapping processing of triggers
(define *numcpus-cache* (make-hash-table))

(use posix-extras pathname-expand files)

;; this plugs a hole in posix-extras in recent chicken versions > 4.9)
(let-values (( (chicken-release-number chicken-major-version)
               (apply values
                      (map string->number
                           (take
                            (string-split (chicken-version) ".")
                            2)))))







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(define *launch-setup-mutex* (make-mutex))     ;; need to be able to call launch:setup often so mutex it and re-call the real deal only if *toppath* not set
(define *homehost-mutex*     (make-mutex))

;; Miscellaneous
(define *triggers-mutex*     (make-mutex))     ;; block overlapping processing of triggers
(define *numcpus-cache* (make-hash-table))



;; this plugs a hole in posix-extras in recent chicken versions > 4.9)
(let-values (( (chicken-release-number chicken-major-version)
               (apply values
                      (map string->number
                           (take
                            (string-split (chicken-version) ".")
                            2)))))
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(define *common:this-exe-fullpath* (common:get-this-exe-fullpath))
(define *common:this-exe-dir*      (pathname-directory *common:this-exe-fullpath*))
(define *common:this-exe-name*     (pathname-strip-directory *common:this-exe-fullpath*))

(define (common:get-sync-lock-filepath)
  (let* ((tmp-area     (common:get-db-tmp-area))
         (lockfile     (conc tmp-area "/megatest.db.sync-lock")))
    lockfile))

;;======================================================================
;; when called from a wrapper I need sometimes to find the calling
;; wrapper, this is for dashboard to find the correct megatest.
;;
(define (common:find-local-megatest #!optional (progname "megatest"))
  (let ((res (filter file-exists?
		     (map (lambda (updir)
			    (let* ((lm  (car (argv)))
				   (dir (pathname-directory lm))
				   (exe (pathname-strip-directory lm)))
			      (conc (if dir (conc dir "/") "")
				    (case (string->symbol exe)
				      ((dboard)    (conc updir progname))
				      ((mtest)     (conc updir progname))
				      ((dashboard) progname)
				      (else exe)))))
			  '("../../" "../")))))
    (if (null? res)
	(begin
	  (debug:print 0 *default-log-port* "Failed to find this executable! Using what can be found on the path")
	  progname)
	(car res))))

(define *common:logpro-exit-code->status-sym-alist*
  '( ( 0 . pass )
     ( 1 . fail )
     ( 2 . warn )
     ( 3 . check )
     ( 4 . waived )
     ( 5 . abort )







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(define *common:this-exe-fullpath* (common:get-this-exe-fullpath))
(define *common:this-exe-dir*      (pathname-directory *common:this-exe-fullpath*))
(define *common:this-exe-name*     (pathname-strip-directory *common:this-exe-fullpath*))

(define (common:get-sync-lock-filepath)
  (let* ((tmp-area     (common:get-db-tmp-area))
         (lockfile     (conc tmp-area "/megatest.db.lock")))
    lockfile))
























(define *common:logpro-exit-code->status-sym-alist*
  '( ( 0 . pass )
     ( 1 . fail )
     ( 2 . warn )
     ( 3 . check )
     ( 4 . waived )
     ( 5 . abort )
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    ((abort) "ABORT")
    ((skip) "SKIP")
    (else "FAIL")))

(define (common:logpro-exit-code->test-status exit-code)
  (status-sym->string (common:logpro-exit-code->status-sym exit-code)))


(defstruct remote





  (hh-dat            (let ((res (or (server:choose-server *toppath* 'homehost)
				    (cons #f #f))))
		       (assert (pair? res)(conc "FATAL: hh-dat should be a pair, got "res))
		       res))
  (server-url        #f) ;; (server:check-if-running *toppath*) #f))
  (server-id         #f)
  (server-info       (if *toppath* (server:check-if-running *toppath*) #f))
  (last-server-check 0)  ;; last time we checked to see if the server was alive
  (connect-time      (current-seconds))

  (conndat           #f)
  (transport         *transport-type*)
  (server-timeout    (server:expiration-timeout))
  (force-server      #f)
  (ro-mode           #f)  
  (ro-mode-checked   #f)) ;; flag that indicates we have checked for ro-mode








;; launching and hosts
(defstruct host
  (reachable    #f)
  (last-update  0)
  (last-used    0)
  (last-cpuload 1))







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    ((abort) "ABORT")
    ((skip) "SKIP")
    (else "FAIL")))

(define (common:logpro-exit-code->test-status exit-code)
  (status-sym->string (common:logpro-exit-code->status-sym exit-code)))

;; 
(defstruct remote

  ;; transport to be used
  ;; http              - use http-transport
  ;; http-read-cached  - use http-transport for writes but in-mem cached for reads
  (rmode            'http)
  (hh-dat            (let ((res (or (server:choose-server *toppath* 'homehost)
				    (cons #f #f))))
		       (assert (pair? res)(conc "FATAL: hh-dat should be a pair, got "res))
		       res))
  (server-url        #f) ;; (server:check-if-running *toppath*) #f))
  (server-id         #f)
  (server-info       #f) ;; (if *toppath* (server:check-if-running *toppath*) #f))
  (last-server-check 0)  ;; last time we checked to see if the server was alive
  (connect-time      (current-seconds)) ;; when we first connected
  (last-access       (current-seconds)) ;; last time we talked to server
  ;; (conndat           #f) ;; iface port api-uri api-url api-req seconds server-id

  (server-timeout    (server:expiration-timeout))
  (force-server      #f)
  (ro-mode           #f)  
  (ro-mode-checked   #f) ;; flag that indicates we have checked for ro-mode

  ;; conndat stuff
  (iface             #f) ;; TODO: Consolidate this data with server-url and server-info above
  (port              #f)
  (api-url           #f)
  (api-uri           #f)
  (api-req           #f))

;; launching and hosts
(defstruct host
  (reachable    #f)
  (last-update  0)
  (last-used    0)
  (last-cpuload 1))
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(define (common:version-db-delta)
  (- megatest-version (common:get-last-run-version-number)))

(define (common:version-changed?)
  (not (equal? (common:get-last-run-version)
               (common:version-signature))))




(define (common:api-changed?)

  (not (equal? (substring (->string megatest-version) 0 4)
               (substring (conc (common:get-last-run-version)) 0 4))))






;;======================================================================
;; Move me elsewhere ...
;; RADT => Why do we meed the version check here, this is called only if version misma
;;
(define (common:cleanup-db dbstruct #!key (full #f))


  (apply db:multi-db-sync 
   dbstruct
   'schema
   'killservers
   'adj-target
   'new2old
   '(dejunk)
  )










  (if (common:api-changed?)
      (common:set-last-run-version)))

(define (common:snapshot-file filepath #!key (subdir  ".") )
  (if (file-exists? filepath)
      (let* ((age-sec  (lambda (file)
                         (if (file-exists? file)







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(define (common:version-db-delta)
  (- megatest-version (common:get-last-run-version-number)))

(define (common:version-changed?)
  (not (equal? (common:get-last-run-version)
               (common:version-signature))))


;; From 1.70 to 1.80, db's are compatible.

(define (common:api-changed?)
  (let* (
    (megatest-major-version (substring (->string megatest-version) 0 4))
    (run-major-version (substring (conc (common:get-last-run-version)) 0 4))
   )
   (and (not (equal? megatest-major-version "1.80"))
     (not (equal? megatest-major-version megatest-run-version)))
  )
)

;;======================================================================
;; Move me elsewhere ...
;; RADT => Why do we meed the version check here, this is called only if version misma
;;
(define (common:cleanup-db dbstruct #!key (full #f))
  (case (rmt:transport-mode)
    ((http)
     (apply db:multi-db-sync 
	    dbstruct
	    'schema
	    'killservers
	    'adj-target
	    'new2old
	    '(dejunk)
	    ))
    ((tcp nfs)
     (debug:print 0 *default-log-port* "WARNING: cleanup-db NOT implemented yet for tcp and nfs.")
     #;(apply db:multi-db-sync 
	    dbstruct
	    'schema
	    'killservers
	    'adj-target
	    'new2old
	    '(dejunk)
	    )))
  (if (common:api-changed?)
      (common:set-last-run-version)))

(define (common:snapshot-file filepath #!key (subdir  ".") )
  (if (file-exists? filepath)
      (let* ((age-sec  (lambda (file)
                         (if (file-exists? file)
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;;          logs directory you wish to log-rotate.
;;
(define (common:rotate-logs)
  (let* ((all-files (make-hash-table))
	 (stats     (make-hash-table))
	 (inc-stat  (lambda (key)
		      (hash-table-set! stats key (+ (hash-table-ref/default stats key 0) 1))))
	(max-allowed (string->number (or (configf:lookup *configdat* "setup" "max-logfiles") "300")))) ;; name -> age
    (if (not (directory-exists? "logs"))(create-directory "logs"))
    (directory-fold 
     (lambda (file rem)
       (handle-exceptions
	exn
	(begin
	  (debug:print-info 2 *default-log-port* "unable to rotate log " file ", probably handled by another process, this is safe to ignore. exn=" exn)







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;;          logs directory you wish to log-rotate.
;;
(define (common:rotate-logs)
  (let* ((all-files (make-hash-table))
	 (stats     (make-hash-table))
	 (inc-stat  (lambda (key)
		      (hash-table-set! stats key (+ (hash-table-ref/default stats key 0) 1))))
	(max-allowed (string->number (or (configf:lookup *configdat* "setup" "max-logfiles") "600")))) ;; name -> age
    (if (not (directory-exists? "logs"))(create-directory "logs"))
    (directory-fold 
     (lambda (file rem)
       (handle-exceptions
	exn
	(begin
	  (debug:print-info 2 *default-log-port* "unable to rotate log " file ", probably handled by another process, this is safe to ignore. exn=" exn)
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	    (debug:print-info 0 *default-log-port* "Deleted " (length files) " files from logs, keeping " max-allowed " files."))))))

;;======================================================================
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)

  (if (common:on-homehost?)
      (if (common:api-changed?)
	  (let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
                 (dbfile  (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.db"))
                 (read-only (not (file-write-access? dbfile)))
                 (dbstruct (db:setup #t))) ;; (db:setup-db *dbstruct-dbs* *toppath* #f))) ;;  #t)))
	    (debug:print 0 *default-log-port*
			 "WARNING: Version mismatch!\n"
			 "   expected: " (common:version-signature) "\n"
			 "   got:      " (common:get-last-run-version))
            (cond







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	    (debug:print-info 0 *default-log-port* "Deleted " (length files) " files from logs, keeping " max-allowed " files."))))))

;;======================================================================
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
  (if (and *toppath*              ;; do nothing if *toppath* not yet provided
	   (common:on-homehost?))
      (if (common:api-changed?)
	  (let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
                 (dbfile  (conc (get-environment-variable "MT_RUN_AREA_HOME") ".mtdb/main.db"))
                 (read-only (not (file-write-access? dbfile)))
                 (dbstruct (db:setup #t))) ;; (db:setup-db *dbstruct-dbs* *toppath* #f))) ;;  #t)))
	    (debug:print 0 *default-log-port*
			 "WARNING: Version mismatch!\n"
			 "   expected: " (common:version-signature) "\n"
			 "   got:      " (common:get-last-run-version))
            (cond
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                 (print-call-chain (current-error-port))
                 (exit 1))
               (common:cleanup-db dbstruct)))
             ((not (common:file-exists? mtconf))
              (debug:print 0 *default-log-port* "   megatest.config does not exist in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             ((not (common:file-exists? dbfile))
              (debug:print 0 *default-log-port* "   megatest.db does not exist in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             ((not (eq? (current-user-id)(file-owner mtconf)))
              (debug:print 0 *default-log-port* "   You do not own megatest.db in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             (read-only
              (debug:print 0 *default-log-port* "   You have read-only access to this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             (else
              (debug:print 0 *default-log-port* " to switch versions you can run: \"megatest -cleanup-db\"")
              (exit 1)))))))







|


|







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                 (print-call-chain (current-error-port))
                 (exit 1))
               (common:cleanup-db dbstruct)))
             ((not (common:file-exists? mtconf))
              (debug:print 0 *default-log-port* "   megatest.config does not exist in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             ((not (common:file-exists? dbfile))
              (debug:print 0 *default-log-port* "   .mtdb/main.db does not exist in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             ((not (eq? (current-user-id)(file-owner mtconf)))
              (debug:print 0 *default-log-port* "   You do not own .mtdb/main.db in this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             (read-only
              (debug:print 0 *default-log-port* "   You have read-only access to this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             (else
              (debug:print 0 *default-log-port* " to switch versions you can run: \"megatest -cleanup-db\"")
              (exit 1)))))))
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    (if dat
	dat
	""))))

(define (common:alist-ref/default key alist default)
  (or (alist-ref key alist) default))



(define (common:low-noise-print waitval . keys)
  (let* ((key      (string-intersperse (map conc keys) "-" ))
	 (lasttime (hash-table-ref/default *common:denoise* key 0))
	 (currtime (current-seconds)))
    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *common:denoise* key currtime)
	  #t)
	#f)))

(define (common:get-megatest-exe)
  (or (getenv "MT_MEGATEST") "megatest"))

(define (common:read-encoded-string instr)
  (handle-exceptions
   exn
   (handle-exceptions
    exn
    (begin







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    (if dat
	dat
	""))))

(define (common:alist-ref/default key alist default)
  (or (alist-ref key alist) default))

;; moved into commonmod
;;
;; (define (common:low-noise-print waitval . keys)
;;   (let* ((key      (string-intersperse (map conc keys) "-" ))
;; 	 (lasttime (hash-table-ref/default *common:denoise* key 0))
;; 	 (currtime (current-seconds)))
;;     (if (> (- currtime lasttime) waitval)
;; 	(begin
;; 	  (hash-table-set! *common:denoise* key currtime)
;; 	  #t)
;; 	#f)))




(define (common:read-encoded-string instr)
  (handle-exceptions
   exn
   (handle-exceptions
    exn
    (begin
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      *db-cache-path*
      (if *toppath* ;; common:get-create-writeable-dir
	  (handle-exceptions
	      exn
	      (begin
		(debug:print-error 0 *default-log-port* "Couldn't create path to " *db-cache-path* ", exn=" exn)
		(exit 1))

	      (let* ((tsname (common:get-testsuite-name))
		     (dbpath (common:get-create-writeable-dir
			      (list (conc "/tmp/" (current-user-name)
					  "/megatest_localdb/"
					  tsname "/"
					  (string-translate *toppath* "/" "."))
				    (conc "/tmp/" (current-process-id) ;; just in case we have an issue with the dir by own user name
					  "/megatest_localdb/"
					  tsname
					  (string-translate *toppath* "/" "."))
				    ))))
		(set! *db-cache-path* dbpath)
		;; ensure megatest area has .megatest
		(let ((dbarea (conc *toppath* "/.megatest")))
		  (if (not (file-exists? dbarea))
		      (create-directory dbarea)))
		;; ensure tmp area has .megatest
		(let ((dbarea (conc dbpath "/.megatest")))
		  (if (not (file-exists? dbarea))
		      (create-directory dbarea)))
		dbpath))
	  #f)))

(define (common:get-area-path-signature)
  (message-digest-string (md5-primitive) *toppath*))

(define (common:get-signature str)
  (message-digest-string (md5-primitive) str))

;;======================================================================
;; E X I T   H A N D L I N G
;;======================================================================

(define (common:run-sync?)

    (and (common:on-homehost?)
	 (args:get-arg "-server")))

(define (common:human-time)
  (time->string (seconds->local-time (current-seconds)) "%Y-%m-%d %H:%M:%S"))


(define (std-signal-handler signum)
  ;; (signal-mask! signum)
  (set! *time-to-exit* #t) 
  ;;(debug:print-info 13 *default-log-port* "got signal "signum)
  (debug:print-error 0 *default-log-port* "Received signal " signum " aaa exiting promptly")







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      *db-cache-path*
      (if *toppath* ;; common:get-create-writeable-dir
	  (handle-exceptions
	      exn
	      (begin
		(debug:print-error 0 *default-log-port* "Couldn't create path to " *db-cache-path* ", exn=" exn)
		(exit 1))
	      (let* ((toppath (common:real-path *toppath*))
		     (tsname (common:get-testsuite-name))
		     (dbpath (common:get-create-writeable-dir
			      (list (conc "/tmp/" (current-user-name)
					  "/megatest_localdb/"
					  tsname "/"
					  (string-translate toppath "/" "."))
				    (conc "/tmp/" (current-process-id) ;; just in case we have an issue with the dir by own user name
					  "/megatest_localdb/"
					  tsname
					  (string-translate toppath "/" "."))
				    ))))
		(set! *db-cache-path* dbpath)
		;; ensure megatest area has .mtdb
		(let ((dbarea (conc *toppath* "/.mtdb")))
		  (if (not (file-exists? dbarea))
		      (create-directory dbarea)))
		;; ensure tmp area has .mtdb
		(let ((dbarea (conc dbpath "/.mtdb")))
		  (if (not (file-exists? dbarea))
		      (create-directory dbarea)))
		dbpath))
	  #f)))

(define (common:get-area-path-signature)
  (message-digest-string (md5-primitive) *toppath*))




;;======================================================================
;; E X I T   H A N D L I N G
;;======================================================================

(define (common:run-sync?)
  (and *toppath*               ;; gate if called before *toppath* is set
       (common:on-homehost?)
       (args:get-arg "-server")))





(define (std-signal-handler signum)
  ;; (signal-mask! signum)
  (set! *time-to-exit* #t) 
  ;;(debug:print-info 13 *default-log-port* "got signal "signum)
  (debug:print-error 0 *default-log-port* "Received signal " signum " aaa exiting promptly")
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;;======================================================================
;; '(print (string-intersperse (map cadr (hash-table-ref/default (read-config "megatest.config" \#f \#t) "disks" '"'"'("none" ""))) "\n"))'
(define (common:get-disks #!key (configf #f))
  (hash-table-ref/default 
   (or configf (read-config "megatest.config" #f #t))
   "disks" '("none" "")))

;;======================================================================
;; return first command that exists, else #f
;;
(define (common:which cmds)
  (if (null? cmds)
      #f
      (let loop ((hed (car cmds))
		 (tal (cdr cmds)))
	(let ((res (with-input-from-pipe (conc "which " hed) read-line)))
	  (if (and (string? res)
		   (common:file-exists? res))
	      res
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))
  
(define (common:get-install-area)
  (let ((exe-path (car (argv))))
    (if (common:file-exists? exe-path)
	(handle-exceptions
	 exn
	 #f
	 (pathname-directory







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;;======================================================================
;; '(print (string-intersperse (map cadr (hash-table-ref/default (read-config "megatest.config" \#f \#t) "disks" '"'"'("none" ""))) "\n"))'
(define (common:get-disks #!key (configf #f))
  (hash-table-ref/default 
   (or configf (read-config "megatest.config" #f #t))
   "disks" '("none" "")))

















(define (common:get-install-area)
  (let ((exe-path (car (argv))))
    (if (common:file-exists? exe-path)
	(handle-exceptions
	 exn
	 #f
	 (pathname-directory
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					#t
					#f))
			  (else
			   (debug:print 0 *default-log-port* "ERROR: Bad server force setting " force-setting ", forcing server.")
			   #t)))) ;; default to requiring server
    (if force-result
	(begin
	  (debug:print-info 0 *default-log-port* "forcing use of server, force setting is \"" force-setting "\".")
	  #t)
	#f)))

;;======================================================================
;; M I S C   L I S T S
;;======================================================================








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					#t
					#f))
			  (else
			   (debug:print 0 *default-log-port* "ERROR: Bad server force setting " force-setting ", forcing server.")
			   #t)))) ;; default to requiring server
    (if force-result
	(begin
	  (debug:print-info 0 *default-log-port* "ATTENTION! Forcing use of server, force setting is \"" force-setting "\".")
	  #t)
	#f)))

;;======================================================================
;; M I S C   L I S T S
;;======================================================================

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      (begin
	(debug:print-error 0 *default-log-port* "command \"/bin/readlink -f " path "\" failed. exn=" exn)
	path) ;; just give up
    (with-input-from-pipe
	(conc "/bin/readlink -f " path)
      (lambda ()
	(read-line)))))





















;;======================================================================
;; returns *effective load* (not normalized)
;;
(define (common:get-intercept onemin fivemin)
  (if (< onemin fivemin) ;; load is decreasing, just use the onemin load
      onemin







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      (begin
	(debug:print-error 0 *default-log-port* "command \"/bin/readlink -f " path "\" failed. exn=" exn)
	path) ;; just give up
    (with-input-from-pipe
	(conc "/bin/readlink -f " path)
      (lambda ()
	(read-line)))))

;; for reasons I don't understand multiple calls to real-path in parallel threads
;; must be protected by mutexes
;;
(define (common:real-path inpath)
  ;; (process:cmd-run-with-stderr->list "readlink" "-f" inpath)) ;; cmd . params)
  ;; (let-values 
  ;;  (((inp oup pid) (process "readlink" (list "-f" inpath))))
  ;;  (with-input-from-port inp
  ;;    (let loop ((inl (read-line))
  ;;       	(res #f))
  ;;      (print "inl=" inl)
  ;;      (if (eof-object? inl)
  ;;          (begin
  ;;            (close-input-port inp)
  ;;            (close-output-port oup)
  ;;            ;; (process-wait pid)
  ;;            res)
  ;;          (loop (read-line) inl))))))
  (with-input-from-pipe (conc "readlink -f " inpath) read-line))

;;======================================================================
;; returns *effective load* (not normalized)
;;
(define (common:get-intercept onemin fivemin)
  (if (< onemin fivemin) ;; load is decreasing, just use the onemin load
      onemin
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	    exn
	  (begin
	    (debug:print 0 *default-log-port* "failed to write file " fullpath ", exn=" exn)
	    #f)
	  (with-output-to-file fullpath (lambda ()(pp dat)))))
      #f))

(define (common:raw-get-remote-host-load-orig remote-host)
  (handle-exceptions
      exn
    (begin
      (debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)
      #f) ;; more specific handling of errors needed
    (with-input-from-pipe 
     (conc "ssh " remote-host " cat /proc/loadavg")
     (lambda ()(list (read)(read)(read))))))

(define (common:raw-get-remote-host-load remote-host)
  (let* ((inp #f))
    (handle-exceptions
	exn
      (begin
	(close-input-pipe inp)
	(debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)







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	    exn
	  (begin
	    (debug:print 0 *default-log-port* "failed to write file " fullpath ", exn=" exn)
	    #f)
	  (with-output-to-file fullpath (lambda ()(pp dat)))))
      #f))











(define (common:raw-get-remote-host-load remote-host)
  (let* ((inp #f))
    (handle-exceptions
	exn
      (begin
	(close-input-pipe inp)
	(debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)
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  (handle-exceptions
      exn
    (begin
      (debug:print 0 *default-log-port* "failed to ssh or read loadavg from host " remote-host ", exn=" exn)
      '(-99 -99 -99))
    (let* ((actual-hostname (or remote-host (get-host-name) "localhost")))
      (or (common:get-cached-info actual-hostname "cpu-load")
	  (let ((result (if remote-host

			    (map (lambda (res)
				   (if (eof-object? res) 9e99 res))
			         (common:raw-get-remote-host-load remote-host))
			    (with-input-from-file "/proc/loadavg" 
			      (lambda ()(list (read)(read)(read)))))))
	    (match
		result







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  (handle-exceptions
      exn
    (begin
      (debug:print 0 *default-log-port* "failed to ssh or read loadavg from host " remote-host ", exn=" exn)
      '(-99 -99 -99))
    (let* ((actual-hostname (or remote-host (get-host-name) "localhost")))
      (or (common:get-cached-info actual-hostname "cpu-load")
	  (let ((result (if (and remote-host
				 (not (equal? remote-host (get-host-name))))
			    (map (lambda (res)
				   (if (eof-object? res) 9e99 res))
			         (common:raw-get-remote-host-load remote-host))
			    (with-input-from-file "/proc/loadavg" 
			      (lambda ()(list (read)(read)(read)))))))
	    (match
		result
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    (cond
     ((and (list? res)
	   (> (length res) 2))
      res)
     ((eq? res #f)   default) ;; add messages?
     ((eq? res #f) default)   ;; this would be the #eof
     (else default))))







(define (common:get-normalized-cpu-load-raw remote-host)
  (let* ((actual-host (or remote-host (get-host-name)))) ;; #f is localhost
    (or (common:get-cached-info actual-host "normalized-load")
	(let ((data (if remote-host
			(let ((inp #f))
			  (handle-exceptions
			      exn
			    (begin
			      (close-input-port inp)
			      '())
			    (set! inp (open-input-port (conc "ssh " remote-host " \"cat /proc/loadavg;cat /proc/cpuinfo;echo end\"")))
			    (let* ((res (read-lines inp)))
			      (close-input-port inp)
			      res)))
			(append 
			 (with-input-from-file "/proc/loadavg" 
			   read-lines)
			 (with-input-from-file "/proc/cpuinfo"
			   read-lines)
			 (list "end"))))
	      (load-rx  (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))







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    (cond
     ((and (list? res)
	   (> (length res) 2))
      res)
     ((eq? res #f)   default) ;; add messages?
     ((eq? res #f) default)   ;; this would be the #eof
     (else default))))

(define (common:ssh-get-loadavg remote-host)
  (let ((inp (open-input-pipe (conc "ssh " remote-host " \"cat /proc/loadavg;cat /proc/cpuinfo;echo end\""))))
      (let* ((res (read-lines inp)))
	(close-input-pipe inp)
	res)))

(define (common:get-normalized-cpu-load-raw remote-host)
  (let* ((actual-host (or remote-host (get-host-name)))) ;; #f is localhost
    (or (common:get-cached-info actual-host "normalized-load")
	(let ((data (if remote-host






			(common:ssh-get-loadavg remote-host)



			(append 
			 (with-input-from-file "/proc/loadavg" 
			   read-lines)
			 (with-input-from-file "/proc/cpuinfo"
			   read-lines)
			 (list "end"))))
	      (load-rx  (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))
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		  (begin ;; found a host, return it
		    (debug:print 0 *default-log-port* "INFO: Found host: " new-best " load: " load " last-used: " delta " seconds ago, with job-rate: " job-rate)
		    (host-last-used-set! rec curr-time)
		    new-best)
		  (if (null? tal) #f (loop (car tal)(cdr tal) best-host)))))))))

(define (common:wait-for-homehost-load maxnormload msg)









  (let* ((hh-dat (if (common:on-homehost?) ;; if we are on the homehost then pass in #f so the calls are local.
                     #f
                     (server:choose-server *toppath* 'homehost)))
         (hh     (if hh-dat (car hh-dat) #f)))
    (common:wait-for-normalized-load maxnormload msg hh)))



(define (common:get-num-cpus remote-host)
  (let* ((actual-host (or remote-host (get-host-name))))
    ;; hosts had better not be changing the number of cpus too often!
    (or (hash-table-ref/default *numcpus-cache* actual-host #f)
	(let* ((numcpus (or (common:get-cached-info actual-host "num-cpus" age: (+ 2592000 (random 3600)))
			    (let* ((proc   (lambda ()
					     (let loop ((numcpu 0)
							(inl    (read-line)))
					       (if (eof-object? inl)
						   (if (> numcpu 0)
						       numcpu
						       #f) ;; if zero return #f so caller knows that things are not working
						   (loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
							     (+ numcpu 1)
							     numcpu)
							 (read-line))))))
				   (result (if remote-host

					       (common:generic-ssh
						(conc "ssh " remote-host " cat /proc/cpuinfo")
						proc -1)
					       (with-input-from-file "/proc/cpuinfo" proc))))
			      (if (and (number? result)
				       (> result 0))
				  (common:write-cached-info actual-host "num-cpus" result))
			      result))))
	  (hash-table-set! *numcpus-cache* actual-host numcpus)
	  numcpus))))

(define (common:generic-ssh ssh-command proc default #!optional (msg-proc #f))
  (let ((inp #f))
    (handle-exceptions
	exn
      (begin
	(close-input-port inp)
	(if msg-proc
	    (msg-proc)
	    (debug:print 0 *default-log-port* "Command: \""ssh-command"\" failed. exn="exn))
	default)
      (set! inp (open-input-pipe ssh-command))
      (with-input-from-port inp
	(lambda ()
	  (let ((res (proc)))
	    (close-input-port inp)
	    res))))))

;;======================================================================
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxnormload msg remote-host #!optional (rem-tries 5))
  (let ((num-cpus (common:get-num-cpus remote-host)))
    (if num-cpus
	(common:wait-for-cpuload maxnormload num-cpus 15 msg: msg remote-host: remote-host)







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		  (begin ;; found a host, return it
		    (debug:print 0 *default-log-port* "INFO: Found host: " new-best " load: " load " last-used: " delta " seconds ago, with job-rate: " job-rate)
		    (host-last-used-set! rec curr-time)
		    new-best)
		  (if (null? tal) #f (loop (car tal)(cdr tal) best-host)))))))))

(define (common:wait-for-homehost-load maxnormload msg)
  (let loop ((start-time (current-seconds))) ;; we saw some instances of this being called before *toppath* was set. This might be an early setup race. This delay should help but it is impossible to test...
    (if (not *toppath*)
	(begin
	  (debug:print 0 *default-log-port* "ERROR: common:wait-for-homehost-load called before *toppath* set.")
	  (thread-sleep! 30)
	  (if (< (- (current-seconds) start-time) 300)
	      (loop start-time)))))
  (case (rmt:transport-mode)
    ((http)
     (let* ((hh-dat (if (common:on-homehost?) ;; if we are on the homehost then pass in #f so the calls are local.
			#f
			(server:choose-server *toppath* 'homehost)))
            (hh     (if hh-dat (car hh-dat) #f)))
       (common:wait-for-normalized-load maxnormload msg hh)))
    (else
     (common:wait-for-normalized-load maxnormload msg (get-host-name)))))
    
(define (common:get-num-cpus remote-host)
  (let* ((actual-host (or remote-host (get-host-name))))
    ;; hosts had better not be changing the number of cpus too often!
    (or (hash-table-ref/default *numcpus-cache* actual-host #f)
	(let* ((numcpus (or (common:get-cached-info actual-host "num-cpus" age: (+ 2592000 (random 3600)))
			    (let* ((proc   (lambda ()
					     (let loop ((numcpu 0)
							(inl    (read-line)))
					       (if (eof-object? inl)
						   (if (> numcpu 0)
						       numcpu
						       #f) ;; if zero return #f so caller knows that things are not working
						   (loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
							     (+ numcpu 1)
							     numcpu)
							 (read-line))))))
				   (result (if (and remote-host
						    (not (equal? remote-host (get-host-name))))
					       (common:generic-ssh
						(conc "ssh " remote-host " cat /proc/cpuinfo")
						proc -1)
					       (with-input-from-file "/proc/cpuinfo" proc))))
			      (if (and (number? result)
				       (> result 0))
				  (common:write-cached-info actual-host "num-cpus" result))
			      result))))
	  (hash-table-set! *numcpus-cache* actual-host numcpus)
	  numcpus))))


















;;======================================================================
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxnormload msg remote-host #!optional (rem-tries 5))
  (let ((num-cpus (common:get-num-cpus remote-host)))
    (if num-cpus
	(common:wait-for-cpuload maxnormload num-cpus 15 msg: msg remote-host: remote-host)
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(define (get-uname . params)
  (let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
	 (uname #f))
    (if (null? (car uname-res))
	"unknown"
	(caar uname-res))))

;; for reasons I don't understand multiple calls to real-path in parallel threads
;; must be protected by mutexes
;;
(define (common:real-path inpath)
  ;; (process:cmd-run-with-stderr->list "readlink" "-f" inpath)) ;; cmd . params)
  ;; (let-values 
  ;;  (((inp oup pid) (process "readlink" (list "-f" inpath))))
  ;;  (with-input-from-port inp
  ;;    (let loop ((inl (read-line))
  ;;       	(res #f))
  ;;      (print "inl=" inl)
  ;;      (if (eof-object? inl)
  ;;          (begin
  ;;            (close-input-port inp)
  ;;            (close-output-port oup)
  ;;            ;; (process-wait pid)
  ;;            res)
  ;;          (loop (read-line) inl))))))
  (with-input-from-pipe (conc "readlink -f " inpath) read-line))

;;======================================================================
;; D I S K   S P A C E 
;;======================================================================

(define (common:get-disk-space-used fpath)
  (with-input-from-pipe (conc "/usr/bin/du -s " fpath) read))








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(define (get-uname . params)
  (let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
	 (uname #f))
    (if (null? (car uname-res))
	"unknown"
	(caar uname-res))))





















;;======================================================================
;; D I S K   S P A C E 
;;======================================================================

(define (common:get-disk-space-used fpath)
  (with-input-from-pipe (conc "/usr/bin/du -s " fpath) read))

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                       (conc "viewscreen " cmd))))
    (debug:print-info 02 *default-log-port* "Running command: " fullcmd)
    (cond
     (with-vars     (common:without-vars  fullcmd))
     (with-orig-env (common:with-orig-env fullcmd))
     (else          (common:without-vars  fullcmd "MT_.*")))))
		  
;;======================================================================
;; T I M E   A N D   D A T E
;;======================================================================

;;======================================================================
;; Convert strings like "5s 2h 3m" => 60x60x2 + 3x60 + 5
(define (common:hms-string->seconds tstr)
  (let ((parts     (string-split-fields "\\w+" tstr))
	(time-secs 0)
	;; s=seconds, m=minutes, h=hours, d=days, M=months, y=years, w=weeks
	(trx       (regexp "(\\d+)([smhdMyw])")))
    (for-each (lambda (part)
		(let ((match  (string-match trx part)))
		  (if match
		      (let ((val (string->number (cadr match)))
			    (unt (caddr match)))
			(if val 
			    (set! time-secs (+ time-secs (* val
							    (case (string->symbol unt)
							      ((s) 1)
							      ((m) 60) ;; minutes
							      ((h) 3600)
							      ((d) 86400)
							      ((w) 604800)
							      ((M) 2628000) ;; aproximately one month
							      ((y) 31536000)
							      (else #f))))))))))
	      parts)
    time-secs))
		       
(define (seconds->hr-min-sec secs)
  (let* ((hrs (quotient secs 3600))
	 (min (quotient (- secs (* hrs 3600)) 60))
	 (sec (- secs (* hrs 3600)(* min 60))))
    (conc (if (> hrs 0)(conc hrs "hr ") "")
	  (if (> min 0)(conc min "m ")  "")
	  sec "s")))

(define (seconds->time-string sec)
  (time->string 
   (seconds->local-time sec) "%H:%M:%S"))

(define (seconds->work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u %H:%M"))

(define (seconds->work-week/day sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u"))

(define (seconds->year-work-week/day sec)
  (time->string
   (seconds->local-time sec) "%yww%V.%w"))

(define (seconds->year-work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yww%V.%w %H:%M"))

(define (seconds->year-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yw%V.%w %H:%M"))

(define (seconds->quarter sec)
  (case (string->number
	 (time->string 
	  (seconds->local-time sec)
	  "%m"))
    ((1 2 3) 1)
    ((4 5 6) 2)
    ((7 8 9) 3)
    ((10 11 12) 4)
    (else #f)))

;;======================================================================
;; basic ISO8601 format (e.g. "2017-02-28 06:02:54") date time => Unix epoch
;;
(define (common:date-time->seconds datetime)
  (local-time->seconds (string->time datetime "%Y-%m-%d %H:%M:%S")))

;;======================================================================
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
  (let* ((deltat   (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
	 (result   #f)
	 (min      60)
	 (hr       (* 60 60))
	 (day      (* 24 hr))
	 (yr       (* 365 day)) ;; year
	 (mo       (/ yr 12))
	 (wk       (* day 7)))
    (for-each
     (lambda (max-blks)
       (for-each
	(lambda (span) ;; 5 2 1
	  (if (not result)
	      (for-each 
	       (lambda (timeunit timesym) ;; year month day hr min sec
		 (if (not result)
		     (let* ((time-blk (* span timeunit))
			    (num-blks (quotient deltat time-blk)))
		       (if (and (> num-blks 4)(< num-blks max-blks))
			   (let ((first (* (quotient tstart time-blk) time-blk)))
			     (set! result (list span timeunit time-blk first timesym))
			     )))))
	       (list yr mo wk day hr min 1)
	       '(     y  mo w  d   h  m   s))))
	(list 8 6 5 2 1)))
     '(5 10 15 20 30 40 50 500))
    (if values
	(apply values result)
	(values 0 day 1 0 'd))))

;;======================================================================
;; given x y lim return the cron expansion
;;
(define (common:expand-cron-slash x y lim)
  (let loop ((curr x)
	     (res  `()))
    (if (< curr lim)
	(loop (+ curr y) (cons curr res))
	(reverse res))))

;;======================================================================
;; expand a complex cron string to a list of cron strings
;;
;;  x/y   => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;;  a,b,c => a, b ,c
;;
;;   NOTE: with flatten a lot of the crud below can be factored down.
;;
(define (common:cron-expand cron-str)
  (if (list? cron-str)
      (flatten
       (fold (lambda (x res)
	       (if (list? x)
		   (let ((newres (map common:cron-expand x)))
		     (append x newres))
		   (cons x res)))
	     '()
	     cron-str)) ;; (map common:cron-expand cron-str))
      (let ((cron-items (string-split cron-str))
	    (slash-rx   (regexp "(\\d+)/(\\d+)"))
	    (comma-rx   (regexp ".*,.*"))
	    (max-vals   '((min        . 60)
			  (hour       . 24)
			  (dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
			  (month      . 12)
			  (dayofweek  . 7))))
	(if (< (length cron-items) 5) ;; bad spec
	    cron-str ;; `(,cron-str)              ;; just return the string, something downstream will fix it
	    (let loop ((hed  (car cron-items))
		       (tal  (cdr cron-items))
		       (type 'min)
		       (type-tal '(hour dayofmonth month dayofweek))
		       (res  '()))
	      (regex-case
		  hed
		(slash-rx ( _ base incr ) (let* ((basen          (string->number base))
						 (incrn          (string->number incr))
						 (expanded-vals  (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
						 (new-list-crons (fold (lambda (x myres)
									 (cons (conc (if (null? res)
											 ""
											 (conc (string-intersperse res " ") " "))
										     x " " (string-intersperse tal " "))
									       myres))
								       '() expanded-vals)))
					    ;; (print "new-list-crons: " new-list-crons)
					    ;; (fold (lambda (x res)
					    ;; 	    (if (list? x)
					    ;; 		(let ((newres (map common:cron-expand x)))
					    ;; 		  (append x newres))
					    ;; 		(cons x res)))
					    ;; 	  '()
					    (flatten (map common:cron-expand new-list-crons))))
		;;					    (map common:cron-expand (map common:cron-expand new-list-crons))))
		(else (if (null? tal)
			  cron-str
			  (loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))

;;======================================================================
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;;  min    hour   dayofmonth month  dayofweek
;; 0-59    0-23   1-31       1-12   0-6          ### NOTE: dayofweek does not include 7
;;
;;  #t => yes, run the job
;;  #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
  (let* ((cron-items     (map string->number (string-split cron-str)))
	 (now-seconds    (or now-seconds-in (current-seconds)))
	 (now-time       (seconds->local-time now-seconds))
	 (last-done-time (seconds->local-time last-done))
	 (all-times      (make-hash-table)))
    ;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
    (if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
	#f
	(match-let (((     cmin chour cdayofmonth cmonth    cdayofweek)
		     cron-items)
		    ;; 0     1    2        3         4    5      6
		    ((nsec nmin nhour ndayofmonth nmonth nyr ndayofweek n7 n8 n9)
		     (vector->list now-time))
		    ((lsec lmin lhour ldayofmonth lmonth lyr ldayofweek l7 l8 l9)
		     (vector->list last-done-time)))
	  ;; create all possible time slots
	  ;; remove invalid slots due to (for example) day of week
	  ;; get the start and end entries for the ref-seconds (current) time
	  ;; if last-done > ref-seconds => this is an ERROR!
	  ;; does the last-done time fall in the legit region?
	  ;;    yes => #f  do not run again this command
	  ;;    no  => #t  ok to run the command
	  (for-each ;; month
	   (lambda (month)
	     (for-each ;; dayofmonth
	      (lambda (dom)
		(for-each
		 (lambda (hr) ;; hour
		   (for-each
		    (lambda (minute) ;; minute
		      (let ((copy-now (apply vector (vector->list now-time))))
			(vector-set! copy-now 0 0) ;; force seconds to zero
			(vector-set! copy-now 1 minute)
			(vector-set! copy-now 2 hr)
			(vector-set! copy-now 3 dom)  ;; dom is already corrected for zero referenced
			(vector-set! copy-now 4 month)
			(let* ((copy-now-secs (local-time->seconds copy-now))
			       (new-copy      (seconds->local-time copy-now-secs))) ;; remake the time vector
			  (if (or (not cdayofweek)
				  (equal? (vector-ref new-copy 6)
					  cdayofweek)) ;; if the day is specified and a match OR if the day is NOT specified
			      (if (or (not cdayofmonth)
				      (equal? (vector-ref new-copy 3)
					      (+ 1 cdayofmonth))) ;; if the month is specified and a match OR if the month is NOT specified
				  (hash-table-set! all-times copy-now-secs new-copy))))))
		    (if cmin
			`(,cmin)  ;; if given cmin, have to use it
			(list (- nmin 1) nmin (+ nmin 1))))) ;; minute
		 (if chour
		     `(,chour)
		     (list (- nhour 1) nhour (+ nhour 1))))) ;; hour
	      (if cdayofmonth
		  `(,cdayofmonth)
		  (list (- ndayofmonth 1) ndayofmonth (+ ndayofmonth 1)))))
	   (if cmonth
	       `(,cmonth)
	       (list (- nmonth 1) nmonth (+ nmonth 1))))
	  (let ((before #f)
		(is-in  #f))
	    (for-each
	     (lambda (moment)
	       (if (and before
			(<= before now-seconds)
			(>= moment now-seconds))
		   (begin
		     ;; (print)
		     ;; (print "Before: " (time->string (seconds->local-time before)))
		     ;; (print "Now:    " (time->string (seconds->local-time now-seconds)))
		     ;; (print "After:  " (time->string (seconds->local-time moment)))
		     ;; (print "Last:   " (time->string (seconds->local-time last-done)))
		     (if (<  last-done before)
			 (set! is-in before))
		     ))
	       (set! before moment))
	     (sort (hash-table-keys all-times) <))
	    is-in)))))

(define (common:extended-cron  cron-str now-seconds-in last-done)
  (let ((expanded-cron (common:cron-expand cron-str)))
    (if (string? expanded-cron)
	(common:cron-event expanded-cron now-seconds-in last-done)
	(let loop ((hed (car expanded-cron))
		   (tal (cdr expanded-cron)))
	  (if (common:cron-event hed now-seconds-in last-done)
	      #t
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))

;;======================================================================
;; C O L O R S
;;======================================================================
      
(define (common:name->iup-color name)
  (case (string->symbol (string-downcase name))
    ((red)    "223 33 49")







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                       (conc "viewscreen " cmd))))
    (debug:print-info 02 *default-log-port* "Running command: " fullcmd)
    (cond
     (with-vars     (common:without-vars  fullcmd))
     (with-orig-env (common:with-orig-env fullcmd))
     (else          (common:without-vars  fullcmd "MT_.*")))))
		  

























































































































































































































































































;;======================================================================
;; C O L O R S
;;======================================================================
      
(define (common:name->iup-color name)
  (case (string->symbol (string-downcase name))
    ((red)    "223 33 49")
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				    (loop (car tal)(cdr tal)))))))
		      ;; no match, try again
		      (if (null? tal)
			  fallback-launcher
			  (loop (car tal)(cdr tal))))))))
	fallback-launcher)))

;;======================================================================
;; NMSG AND NEW API
;;======================================================================
;; 
;; ;;======================================================================
;; ;; nm based server experiment, keep around for now.
;; ;;
;; (define (nm:start-server dbconn #!key (given-host-name #f))
;;   (let* ((srvdat    (start-raw-server given-host-name: given-host-name))
;; 	 (host-name (srvdat-host srvdat))
;; 	 (soc       (srvdat-soc srvdat)))
;;     
;;     ;; start the queue processor (save for second round of development)
;;     ;;
;;     (thread-start! (make-thread! (lambda ()(queue-processor dbconn) "Queue processor")))
;;     ;; msg is an alist
;;     ;;  'r host:port  <== where to return the data
;;     ;;  'p params     <== data to apply the command to
;;     ;;  'e j|s|l      <== encoding of the params. default is s (sexp), if not specified is assumed to be default
;;     ;;  'c command    <== look up the function to call using this key
;;     ;;
;;     (let loop ((msg-in (nn-recv soc)))
;;       (if (not (equal? msg-in "quit"))
;; 	  (let* ((dat        (decode msg-in))
;; 		 (host-port  (alist-ref 'r dat)) ;; this is for the reverse req rep where the server is a client of the original client
;; 		 (params     (alist-ref 'p dat))
;; 		 (command    (let ((c (alist-ref 'c dat)))(if c (string->symbol c) #f)))
;; 		 (all-good   (and host-port params command (hash-table-exists? *commands* command))))
;; 	    (if all-good
;; 		(let ((cmddat (make-qitem
;; 			       command:   command
;; 			       host-port: host-port
;; 			       params:    params)))
;; 		  (queue-push cmddat) 		;; put request into the queue
;; 		  (nn-send soc "queued"))         ;; reply with "queued"
;; 		(print "ERROR: ["(common:human-time)"] BAD request " dat))
;; 	    (loop (nn-recv soc)))))
;;     (nn-close soc)))

;;======================================================================
;; D A S H B O A R D   U S E R   V I E W S
;;======================================================================

;;======================================================================
;; first read ~/views.config if it exists, then read $MTRAH/views.config if it exists
;;







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		      ;; no match, try again
		      (if (null? tal)
			  fallback-launcher
			  (loop (car tal)(cdr tal))))))))
	fallback-launcher)))








































;;======================================================================
;; D A S H B O A R D   U S E R   V I E W S
;;======================================================================

;;======================================================================
;; first read ~/views.config if it exists, then read $MTRAH/views.config if it exists
;;
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	  (debug:print 0 *default-log-port* "ERROR: packets directory " pktsdir " does not exist."))
	 ((not (directory? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not a directory."))
	 ((not (file-read-access? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not readable."))
	 (else
	  (debug:print-info 0 *default-log-port* "Loading packets found in " pktsdir)
	  (let ((pkts (glob (conc pktsdir "/*.pkt"))))






	    (for-each
	     (lambda (pkt)
	       (let* ((uuid    (cadr (string-match ".*/([0-9a-f]+).pkt" pkt)))
		      (exists  (lookup-by-uuid pdb uuid #f)))
		 (if (not exists)
		     (let* ((pktdat (string-intersperse
				     (with-input-from-file pkt read-lines)
				     "\n"))
			    (apkt   (pkt->alist pktdat))
			    (ptype  (alist-ref 'T apkt)))
		       (add-to-queue pdb pktdat uuid (or ptype 'cmd) #f 0)
		       (debug:print 4 *default-log-port* "Added " uuid " of type " ptype " to queue"))
		     (debug:print 4 *default-log-port* "pkt: " uuid " exists, skipping...")
		     )))
	     pkts)))))
      pktsdirs))
   use-lt: use-lt))

(define (common:get-pkt-alists pkts)
  (map (lambda (x)
	 (alist-ref 'apkt x)) ;; 'pkta pulls out the alist from the read pkt
       pkts))







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	  (debug:print 0 *default-log-port* "ERROR: packets directory " pktsdir " does not exist."))
	 ((not (directory? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not a directory."))
	 ((not (file-read-access? pktsdir))
	  (debug:print 0 *default-log-port* "ERROR: packets directory path " pktsdir " is not readable."))
	 (else
	  (debug:print-info 0 *default-log-port* "Loading packets found in " pktsdir)
	  (let ((pkts (glob (conc pktsdir "/*.pkt")))
                (sqdb (dbi:db-conn pdb))
                )
           ;; Put this in a transaction to avoid issues overloading the db
           (sqlite3:with-transaction
            sqdb
            (lambda ()
	    (for-each
	     (lambda (pkt)
	       (let* ((uuid    (cadr (string-match ".*/([0-9a-f]+).pkt" pkt)))
		      (exists  (lookup-by-uuid pdb uuid #f)))
		 (if (not exists)
		     (let* ((pktdat (string-intersperse
				     (with-input-from-file pkt read-lines)
				     "\n"))
			    (apkt   (pkt->alist pktdat))
			    (ptype  (alist-ref 'T apkt)))
		       (add-to-queue pdb pktdat uuid (or ptype 'cmd) #f 0)
		       (debug:print 4 *default-log-port* "Added " uuid " of type " ptype " to queue"))
		     (debug:print 4 *default-log-port* "pkt: " uuid " exists, skipping...")
		     )))
	     pkts)))))))
      pktsdirs))
   use-lt: use-lt))

(define (common:get-pkt-alists pkts)
  (map (lambda (x)
	 (alist-ref 'apkt x)) ;; 'pkta pulls out the alist from the read pkt
       pkts))

Modified common_records.scm from [80f9e14f2d] to [0bd4438bf6].

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    (mutex-unlock! mtx)
    res))

;; this was cached based on results from profiling but it turned out the profiling
;; somehow went wrong - perhaps too many processes writing to it. Leaving the caching
;; in for now but can probably take it out later.
;;
(define (debug:calc-verbosity vstr)
  (or (hash-table-ref/default *verbosity-cache* vstr #f)
      (let ((res (cond
                  ((number? vstr) vstr)
                  ((not (string?  vstr))   1)
                  ;; ((string-match  "^\\s*$" vstr) 1)
                  (vstr           (let ((debugvals  (filter number? (map string->number (string-split vstr ",")))))
                                    (cond
                                     ((> (length debugvals) 1) debugvals)
                                     ((> (length debugvals) 0)(car debugvals))
                                     (else 1))))
                  ((args:get-arg "-v")   2)
                  ((args:get-arg "-q")    0)
                  (else                   1))))
        (hash-table-set! *verbosity-cache* vstr res)
        res)))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
	       (list?   verbosity)))
      (begin
	(print "ERROR: Invalid debug value \"" vstr "\"")
	#f)
      #t))

(define (debug:debug-mode n)
  (cond
   ((and (number? *verbosity*)   ;; number number
	 (number? n))
    (<= n *verbosity*))
   ((and (list? *verbosity*)     ;; list   number
	 (number? n))
    (member n *verbosity*))
   ((and (list? *verbosity*)     ;; list   list
	 (list? n))
    (not (null? (lset-intersection! eq? *verbosity* n))))
   ((and (number? *verbosity*)
	 (list? n))
    (member *verbosity* n))))

(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
		      (args:get-arg "-debug-noprop")
		      (getenv "MT_DEBUG_MODE"))))
    (set! *verbosity* (debug:calc-verbosity debugstr))
    (debug:check-verbosity *verbosity* debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not *verbosity*)(set! *verbosity* 1))
    (if (and (not (args:get-arg "-debug-noprop"))
	     (or (args:get-arg "-debug")
		 (not (getenv "MT_DEBUG_MODE"))))
	(setenv "MT_DEBUG_MODE" (if (list? *verbosity*)
				    (string-intersperse (map conc *verbosity*) ",")
				    (conc *verbosity*))))))
  
(define (debug:print n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (or e (current-error-port))
	(lambda ()
	  (if *logging*
	      (db:log-event (apply conc params))
	      (apply print params)
	      )))))

;; Brandon's debug printer shortcut (indulge me :)
(define *BB-process-starttime* (current-milliseconds))
(define (BB> . in-args)
  (let* ((stack (get-call-chain))
         (location "??"))
    (for-each
     (lambda (frame)
       (let* ((this-loc (vector-ref frame 0))
              (temp     (string-split (->string this-loc) " "))
              (this-func (if (and (list? temp) (> (length temp) 1)) (cadr temp) "???")))
         (if (equal? this-func "BB>")
             (set! location this-loc))))
     stack)
    (let* ((color-on "\x1b[1m")
           (color-off "\x1b[0m")
           (dp-args
            (append
             (list 0 *default-log-port*
                   (conc color-on location "@"(/ (- (current-milliseconds) *BB-process-starttime*) 1000) color-off "   ")  )
             in-args)))
      (apply debug:print dp-args))))

(define *BBpp_custom_expanders_list* (make-hash-table))



;; register hash tables with BBpp.
(hash-table-set! *BBpp_custom_expanders_list* HASH_TABLE:
                 (cons hash-table? hash-table->alist))

;; test name converter
(define (BBpp_custom_converter arg)
  (let ((res #f))
    (for-each
     (lambda (custom-type-name)
       (let* ((custom-type-info      (hash-table-ref *BBpp_custom_expanders_list* custom-type-name))
              (custom-type-test      (car custom-type-info))
              (custom-type-converter (cdr custom-type-info)))
         (when (and (not res) (custom-type-test arg))
           (set! res (custom-type-converter arg)))))
     (hash-table-keys *BBpp_custom_expanders_list*))
    (if res (BBpp_ res) arg)))

(define (BBpp_ arg)
  (cond
   ;;((SOMESTRUCT? arg) (cons SOMESTRUCT: (SOMESTRUCT->alist arg)))
   ;;((dboard:tabdat? arg) (cons dboard:tabdat: (dboard:tabdat->alist arg)))
   ((hash-table? arg)
    (let ((al (hash-table->alist arg)))
      (BBpp_ (cons HASH_TABLE: al))))
   ((null? arg) '())
   ;;((list? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
   ((pair? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
   (else (BBpp_custom_converter arg))))

;; Brandon's pretty printer.  It expands hashes and custom types in addition to regular pp
(define (BBpp arg)
  (pp (BBpp_ arg)))

;(use define-macro)
(define-syntax inspect
  (syntax-rules ()
    [(_ x)
    ;; (with-output-to-port (current-error-port)
       (printf "~a is: ~a\n" 'x (with-output-to-string (lambda () (BBpp x))))
     ;;  )
     ]
    [(_ x y ...) (begin (inspect x) (inspect y ...))]))

(define (debug:print-error n e . params)
  ;; normal print
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  (if *logging*
	      (db:log-event (apply conc params))
	      ;; (apply print "pid:" (current-process-id) " " params)
	      (apply print "ERROR: " params)
	      ))))
  ;; pass important messages to stderr
  (if (and (eq? n 0)(not (eq? e (current-error-port)))) 
      (with-output-to-port (current-error-port)
	(lambda ()
	  (apply print "ERROR: " params)
	  ))))

(define (debug:print-info n e . params)
  (if (debug:debug-mode n)
      (with-output-to-port (if (port? e) e (current-error-port))
	(lambda ()
	  (if *logging*
	      (let ((res (format#format #f "INFO: (~a) ~a" n (apply conc params))))
		(db:log-event res))
	      ;; (apply print "pid:" (current-process-id) " " "INFO: (" n ") " params) ;; res)
	      (apply print "INFO: (" n ") " params) ;; res)
	      )))))



;; if a value is printable (i.e. string or number) return the value
;; else return an empty string
(define-inline (printable val)
  (if (or (number? val)(string? val)) val ""))








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    (mutex-unlock! mtx)
    res))

;; this was cached based on results from profiling but it turned out the profiling
;; somehow went wrong - perhaps too many processes writing to it. Leaving the caching
;; in for now but can probably take it out later.
;;
;; (define (debug:calc-verbosity vstr)
;;   (or (hash-table-ref/default *verbosity-cache* vstr #f)
;;       (let ((res (cond
;;                   ((number? vstr) vstr)
;;                   ((not (string?  vstr))   1)
;;                   ;; ((string-match  "^\\s*$" vstr) 1)
;;                   (vstr           (let ((debugvals  (filter number? (map string->number (string-split vstr ",")))))
;;                                     (cond
;;                                      ((> (length debugvals) 1) debugvals)
;;                                      ((> (length debugvals) 0)(car debugvals))
;;                                      (else 1))))
;;                   ((args:get-arg "-v")   2)
;;                   ((args:get-arg "-q")    0)
;;                   (else                   1))))
;;         (hash-table-set! *verbosity-cache* vstr res)
;;         res)))

;; ;; check verbosity, #t is ok
;; (define (debug:check-verbosity verbosity vstr)
;;   (if (not (or (number? verbosity)
;; 	       (list?   verbosity)))
;;       (begin
;; 	(print "ERROR: Invalid debug value \"" vstr "\"")
;; 	#f)
;;       #t))
;; 
;; (define (debug:debug-mode n)
;;   (cond
;;    ((and (number? *verbosity*)   ;; number number
;; 	 (number? n))
;;     (<= n *verbosity*))
;;    ((and (list? *verbosity*)     ;; list   number
;; 	 (number? n))
;;     (member n *verbosity*))
;;    ((and (list? *verbosity*)     ;; list   list
;; 	 (list? n))
;;     (not (null? (lset-intersection! eq? *verbosity* n))))
;;    ((and (number? *verbosity*)
;; 	 (list? n))
;;     (member *verbosity* n))))
;; 
;; (define (debug:setup)
;;   (let ((debugstr (or (args:get-arg "-debug")
;; 		      (args:get-arg "-debug-noprop")
;; 		      (getenv "MT_DEBUG_MODE"))))
;;     (set! *verbosity* (debug:calc-verbosity debugstr))
;;     (debug:check-verbosity *verbosity* debugstr)
;;     ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
;;     (if (not *verbosity*)(set! *verbosity* 1))
;;     (if (and (not (args:get-arg "-debug-noprop"))
;; 	     (or (args:get-arg "-debug")
;; 		 (not (getenv "MT_DEBUG_MODE"))))
;; 	(setenv "MT_DEBUG_MODE" (if (list? *verbosity*)
;; 				    (string-intersperse (map conc *verbosity*) ",")
;; 				    (conc *verbosity*))))))
;;   
;; (define (debug:print n e . params)
;;   (if (debug:debug-mode n)
;;       (with-output-to-port (or e (current-error-port))
;; 	(lambda ()
;; 	  (if *logging*
;; 	      (db:log-event (apply conc params))
;; 	      (apply print params)
;; 	      )))))

;; Brandon's debug printer shortcut (indulge me :)
;; (define *BB-process-starttime* (current-milliseconds))
;; (define (BB> . in-args)
;;   (let* ((stack (get-call-chain))
;;          (location "??"))
;;     (for-each
;;      (lambda (frame)
;;        (let* ((this-loc (vector-ref frame 0))
;;               (temp     (string-split (->string this-loc) " "))
;;               (this-func (if (and (list? temp) (> (length temp) 1)) (cadr temp) "???")))
;;          (if (equal? this-func "BB>")
;;              (set! location this-loc))))
;;      stack)
;;     (let* ((color-on "\x1b[1m")
;;            (color-off "\x1b[0m")
;;            (dp-args
;;             (append
;;              (list 0 *default-log-port*
;;                    (conc color-on location "@"(/ (- (current-milliseconds) *BB-process-starttime*) 1000) color-off "   ")  )
;;              in-args)))
;;       (apply debug:print dp-args))))
;; 
;; (define *BBpp_custom_expanders_list* (make-hash-table))
;; 
;; 
;; 
;; ;; register hash tables with BBpp.
;; (hash-table-set! *BBpp_custom_expanders_list* HASH_TABLE:
;;                  (cons hash-table? hash-table->alist))
;; 
;; ;; test name converter
;; (define (BBpp_custom_converter arg)
;;   (let ((res #f))
;;     (for-each
;;      (lambda (custom-type-name)
;;        (let* ((custom-type-info      (hash-table-ref *BBpp_custom_expanders_list* custom-type-name))
;;               (custom-type-test      (car custom-type-info))
;;               (custom-type-converter (cdr custom-type-info)))
;;          (when (and (not res) (custom-type-test arg))
;;            (set! res (custom-type-converter arg)))))
;;      (hash-table-keys *BBpp_custom_expanders_list*))
;;     (if res (BBpp_ res) arg)))
;; 
;; (define (BBpp_ arg)
;;   (cond
;;    ;;((SOMESTRUCT? arg) (cons SOMESTRUCT: (SOMESTRUCT->alist arg)))
;;    ;;((dboard:tabdat? arg) (cons dboard:tabdat: (dboard:tabdat->alist arg)))
;;    ((hash-table? arg)
;;     (let ((al (hash-table->alist arg)))
;;       (BBpp_ (cons HASH_TABLE: al))))
;;    ((null? arg) '())
;;    ;;((list? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
;;    ((pair? arg) (cons (BBpp_ (car arg)) (BBpp_ (cdr arg))))
;;    (else (BBpp_custom_converter arg))))
;; 
;; ;; Brandon's pretty printer.  It expands hashes and custom types in addition to regular pp
;; (define (BBpp arg)
;;   (pp (BBpp_ arg)))

;(use define-macro)
(define-syntax inspect
  (syntax-rules ()
    [(_ x)
    ;; (with-output-to-port (current-error-port)
       (printf "~a is: ~a\n" 'x (with-output-to-string (lambda () (BBpp x))))
     ;;  )
     ]
    [(_ x y ...) (begin (inspect x) (inspect y ...))]))

;; (define (debug:print-error n e . params)
;;   ;; normal print
;;   (if (debug:debug-mode n)
;;       (with-output-to-port (if (port? e) e (current-error-port))
;; 	(lambda ()
;; 	  (if *logging*
;; 	      (db:log-event (apply conc params))
;; 	      ;; (apply print "pid:" (current-process-id) " " params)
;; 	      (apply print "ERROR: " params)
;; 	      ))))
;;   ;; pass important messages to stderr
;;   (if (and (eq? n 0)(not (eq? e (current-error-port)))) 
;;       (with-output-to-port (current-error-port)
;; 	(lambda ()
;; 	  (apply print "ERROR: " params)
;; 	  ))))
;; 
;; (define (debug:print-info n e . params)
;;   (if (debug:debug-mode n)
;;       (with-output-to-port (if (port? e) e (current-error-port))
;; 	(lambda ()
;; 	  (if *logging*
;; 	      (let ((res (format#format #f "INFO: (~a) ~a" n (apply conc params))))
;; 		(db:log-event res))
;; 	      ;; (apply print "pid:" (current-process-id) " " "INFO: (" n ") " params) ;; res)
;; 	      (apply print "INFO: (" n ") " params) ;; res)
;; 	      )))))
;; 


;; if a value is printable (i.e. string or number) return the value
;; else return an empty string
(define-inline (printable val)
  (if (or (number? val)(string? val)) val ""))

Modified commonmod.scm from [2570fcf4eb] to [409ebb7538].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit commonmod))


(use srfi-69)

(module commonmod
	*

(import scheme chicken data-structures extras files)






(import (prefix sqlite3 sqlite3:)














	posix typed-records srfi-18 srfi-69



























	md5 message-digest



	regex srfi-1)






;;======================================================================
;; CONTENTS
;;
;;  config file utils
;;  misc conversion, data manipulation functions
;;  testsuite and area utilites
;;
;;======================================================================

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")







(define (get-full-version)
  (conc megatest-version "-" megatest-fossil-hash))

(define (version-signature)
  (conc megatest-version "-" (substring megatest-fossil-hash 0 4)))

(define *common:denoise*    (make-hash-table)) ;; for low noise printing

(define (common:low-noise-print waitval . keys)
  (let* ((key      (string-intersperse (map conc keys) "-" ))
	 (lasttime (hash-table-ref/default *common:denoise* key 0))
	 (currtime (current-seconds)))
    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *common:denoise* key currtime)
	  #t)
	#f)))













;;======================================================================
;; config file utils
;;======================================================================

(define (lookup cfgdat section var)
  (if (hash-table? cfgdat)
      (let ((sectdat (hash-table-ref/default cfgdat section '())))







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit commonmod))
(declare (uses debugprint))

(use srfi-69)

(module commonmod
	*

(import scheme)
(cond-expand
 (chicken-4
  
  (import chicken
	  ports
	  
	  (prefix sqlite3 sqlite3:)
	  data-structures
	  extras
	  files
	  matchable
	  md5
	  message-digest
	  pathname-expand
	  posix
	  posix-extras
	  regex
	  regex-case
	  srfi-1
	  srfi-18
	  srfi-69
	  typed-records

	  debugprint
	  )
  (use srfi-69))
 (chicken-5
  (import (prefix sqlite3 sqlite3:)
	  ;; data-structures
	  ;; extras
	  ;; files
	  ;; posix
	  ;; posix-extras
	  chicken.base
	  chicken.condition
	  chicken.file
	  chicken.file.posix
	  chicken.io
	  chicken.pathname
	  chicken.process
	  chicken.process-context
	  chicken.process-context.posix
	  chicken.sort
	  chicken.string
	  chicken.time
	  chicken.time.posix
	  
	  matchable
	  md5
	  message-digest
	  pathname-expand
	  regex
	  regex-case
	  srfi-1
	  srfi-18
	  srfi-69
	  typed-records
	  system-information
  )))

;;======================================================================
;; CONTENTS
;;
;;  config file utils
;;  misc conversion, data manipulation functions
;;  testsuite and area utilites
;;
;;======================================================================

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")

;; http - use the old http + in /tmp db
;; tcp  - use tcp transport with cachedb db
;; nfs  - use direct to disk access (read-only)
;;
(define rmt:transport-mode (make-parameter 'tcp))

(define (get-full-version)
  (conc megatest-version "-" megatest-fossil-hash))

(define (version-signature)
  (conc megatest-version "-" (substring megatest-fossil-hash 0 4)))

(define *common:denoise*    (make-hash-table)) ;; for low noise printing

(define (common:low-noise-print waitval . keys)
  (let* ((key      (string-intersperse (map conc keys) "-" ))
	 (lasttime (hash-table-ref/default *common:denoise* key 0))
	 (currtime (current-seconds)))
    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *common:denoise* key currtime)
	  #t)
	#f)))

;; KEEP THIS ONE
;;
;; client:get-signature

(define *my-client-signature* #f)

(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (conc (get-host-name) " " (current-process-id))))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;;======================================================================
;; config file utils
;;======================================================================

(define (lookup cfgdat section var)
  (if (hash-table? cfgdat)
      (let ((sectdat (hash-table-ref/default cfgdat section '())))
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      #f ;; I don't really care why this failed (at least for now)
    (delete-file* fname)))

;;======================================================================
;; misc conversion, data manipulation functions
;;======================================================================

















































;; if it looks like a number -> convert it to a number, else return it
;;
(define (lazy-convert inval)
  (let* ((as-num (if (string? inval)(string->number inval) #f)))
    (or as-num inval)))

;; to '((a . 1)(b . 2)(c . "a silly thing")(d . ""))







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      #f ;; I don't really care why this failed (at least for now)
    (delete-file* fname)))

;;======================================================================
;; misc conversion, data manipulation functions
;;======================================================================

;;======================================================================
;; return first command that exists, else #f
;;
(define (common:which cmds)
  (if (null? cmds)
      #f
      (let loop ((hed (car cmds))
		 (tal (cdr cmds)))
	(let ((res (with-input-from-pipe (conc "which " hed) read-line)))
	  (if (and (string? res)
		   (file-exists? res))
	      res
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))
  
(define (common:get-megatest-exe)
  (let* ((mtexe (or (get-environment-variable "MT_MEGATEST")
		    (common:which '("megatest"))
		    "megatest")))
    (if (file-exists? mtexe)
	(realpath mtexe)
	mtexe)))

(define (common:get-megatest-exe-dir)
  (let* ((mtexe (common:get-megatest-exe)))
    (pathname-directory mtexe)))

;; more generic and comprehensive version of get-megatest-exe
;;
(define (common:get-mtexe)
  (let* ((mtpathdir  (common:get-megatest-exe-dir)))
    (or (common:get-megatest-exe)
	(if mtpathdir
	    (conc mtpathdir"/megatest")
	    #f)
	"megatest")))

(define (common:get-megatest-exe-path)
  (let* ((mtpathdir (common:get-megatest-exe-dir)))
    (conc mtpathdir":"(get-environment-variable "PATH") ":.")))

(cond-expand
 (chicken-4
  (define (realpath x) (resolve-pathname  (pathname-expand (or x "/dev/null")) )))
 (chicken-5
  (define (realpath x) (normalize-pathname (pathname-expand (or x "/dev/null"))))))

;; if it looks like a number -> convert it to a number, else return it
;;
(define (lazy-convert inval)
  (let* ((as-num (if (string? inval)(string->number inval) #f)))
    (or as-num inval)))

;; to '((a . 1)(b . 2)(c . "a silly thing")(d . ""))
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			     (if convert (lazy-convert inval) inval))))
		   (else f))))
	     (filter (lambda (x)
		       (not (string-match "^\\s*" x)))
		     val-list))
	'())))































;;======================================================================
;; testsuite and area utilites
;;======================================================================

(define (get-testsuite-name toppath configdat)
  (or (lookup configdat "setup" "area-name")
      (lookup configdat "setup" "testsuite")







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			     (if convert (lazy-convert inval) inval))))
		   (else f))))
	     (filter (lambda (x)
		       (not (string-match "^\\s*" x)))
		     val-list))
	'())))

(define (get-cpu-load)
  (let* ((load-info (with-input-from-file "/proc/loadavg" read-lines)))
    (map string->number (string-split load-info))))

(define *current-host-cores* #f)

(define (get-current-host-cores)
  (or *current-host-cores*
      (let ((cpu-info (with-input-from-file "/proc/cpuinfo" read-lines)))
	(let loop ((lines cpu-info))
	  (if (null? lines)
	      1 ;; gotta be at least one!
	      (let* ((inl (car lines))
		     (tail (cdr lines))
		     (parts (string-split inl)))
		(match parts
		  (("cpu" "cores" ":" num) (string->number num))
		  (else (loop tail)))))))))

(define (number-of-processes-running processname)
  (with-input-from-pipe
   (conc "ps -def | egrep \""processname"\" |wc -l")
   (lambda ()
     (string->number (read-line)))))

;; get the normalized (i.e. load / numcpus) for *this* host
;;
(define (get-normalized-cpu-load)
  (/ (get-cpu-load)(get-current-host-cores)))

;;======================================================================
;; testsuite and area utilites
;;======================================================================

(define (get-testsuite-name toppath configdat)
  (or (lookup configdat "setup" "area-name")
      (lookup configdat "setup" "testsuite")
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;;
(define (get-cfg-areas cfgdat)
  (let ((adat (get-section cfgdat "areas")))
    (map (lambda (entry)
	   `(,(car entry) . 
	     ,(val->alist (cadr entry))))
	 adat)))







































































































































































































































































































;;======================================================================
;; misc stuff
;;======================================================================



;; (define (debug:print . params) #f)



;; (define (debug:print-info . params) #f)
















;; 


















;; (define (set-functions dbgp dbgpinfo)
















;;   (set! debug:print dbgp)











;;   (set! debug:print-info dbgpinfo))









)








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;;
(define (get-cfg-areas cfgdat)
  (let ((adat (get-section cfgdat "areas")))
    (map (lambda (entry)
	   `(,(car entry) . 
	     ,(val->alist (cadr entry))))
	 adat)))

;;======================================================================
;; time utils
;;======================================================================

(define (common:human-time)
  (time->string (seconds->local-time (current-seconds)) "%Y-%m-%d %H:%M:%S"))

;;======================================================================
;; T I M E   A N D   D A T E
;;======================================================================

;;======================================================================
;; Convert strings like "5s 2h 3m" => 60x60x2 + 3x60 + 5
(define (common:hms-string->seconds tstr)
  (let ((parts     (string-split-fields "\\w+" tstr))
	(time-secs 0)
	;; s=seconds, m=minutes, h=hours, d=days, M=months, y=years, w=weeks
	(trx       (regexp "^(\\d+)([smhdMyw])$")))
    (for-each (lambda (part)
		(let ((match  (string-match trx part)))
		  (if match
		      (let ((val (string->number (cadr match)))
			    (unt (caddr match)))
			(if val 
			    (set! time-secs (+ time-secs (* val
							    (case (string->symbol unt)
							      ((s) 1)
							      ((m) 60) ;; minutes
							      ((h) 3600)
							      ((d) 86400)
							      ((w) 604800)
							      ((M) 2628000) ;; aproximately one month
							      ((y) 31536000)
							      (else
							       0)))))))
		      ;; (print "ERROR: can't parse timestring "tstr", component "part)
		      ;; can't (yet) use debugprint. rely on -show-config for user to find errors
		      )))
	      parts)
    time-secs))
		       
(define (seconds->hr-min-sec secs)
  (let* ((hrs (quotient secs 3600))
	 (min (quotient (- secs (* hrs 3600)) 60))
	 (sec (- secs (* hrs 3600)(* min 60))))
    (conc (if (> hrs 0)(conc hrs "hr ") "")
	  (if (> min 0)(conc min "m ")  "")
	  sec "s")))

(define (seconds->time-string sec)
  (time->string 
   (seconds->local-time sec) "%H:%M:%S"))

(define (seconds->work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u %H:%M"))

(define (seconds->work-week/day sec)
  (time->string
   (seconds->local-time sec) "ww%V.%u"))

(define (seconds->year-work-week/day sec)
  (time->string
   (seconds->local-time sec) "%yww%V.%w"))

(define (seconds->year-work-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yww%V.%w %H:%M"))

(define (seconds->year-week/day-time sec)
  (time->string
   (seconds->local-time sec) "%Yw%V.%w %H:%M"))

(define (seconds->quarter sec)
  (case (string->number
	 (time->string 
	  (seconds->local-time sec)
	  "%m"))
    ((1 2 3) 1)
    ((4 5 6) 2)
    ((7 8 9) 3)
    ((10 11 12) 4)
    (else #f)))

;;======================================================================
;; basic ISO8601 format (e.g. "2017-02-28 06:02:54") date time => Unix epoch
;;
(define (common:date-time->seconds datetime)
  (local-time->seconds (string->time datetime "%Y-%m-%d %H:%M:%S")))

;;======================================================================
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
  (let* ((deltat   (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
	 (result   #f)
	 (min      60)
	 (hr       (* 60 60))
	 (day      (* 24 hr))
	 (yr       (* 365 day)) ;; year
	 (mo       (/ yr 12))
	 (wk       (* day 7)))
    (for-each
     (lambda (max-blks)
       (for-each
	(lambda (span) ;; 5 2 1
	  (if (not result)
	      (for-each 
	       (lambda (timeunit timesym) ;; year month day hr min sec
		 (if (not result)
		     (let* ((time-blk (* span timeunit))
			    (num-blks (quotient deltat time-blk)))
		       (if (and (> num-blks 4)(< num-blks max-blks))
			   (let ((first (* (quotient tstart time-blk) time-blk)))
			     (set! result (list span timeunit time-blk first timesym))
			     )))))
	       (list yr mo wk day hr min 1)
	       '(     y  mo w  d   h  m   s))))
	(list 8 6 5 2 1)))
     '(5 10 15 20 30 40 50 500))
    (if values
	(apply values result)
	(values 0 day 1 0 'd))))

;;======================================================================
;; given x y lim return the cron expansion
;;
(define (common:expand-cron-slash x y lim)
  (let loop ((curr x)
	     (res  `()))
    (if (< curr lim)
	(loop (+ curr y) (cons curr res))
	(reverse res))))

;;======================================================================
;; expand a complex cron string to a list of cron strings
;;
;;  x/y   => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;;  a,b,c => a, b ,c
;;
;;   NOTE: with flatten a lot of the crud below can be factored down.
;;
(define (common:cron-expand cron-str)
  (if (list? cron-str)
      (flatten
       (fold (lambda (x res)
	       (if (list? x)
		   (let ((newres (map common:cron-expand x)))
		     (append x newres))
		   (cons x res)))
	     '()
	     cron-str)) ;; (map common:cron-expand cron-str))
      (let ((cron-items (string-split cron-str))
	    (slash-rx   (regexp "(\\d+)/(\\d+)"))
	    (comma-rx   (regexp ".*,.*"))
	    (max-vals   '((min        . 60)
			  (hour       . 24)
			  (dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
			  (month      . 12)
			  (dayofweek  . 7))))
	(if (< (length cron-items) 5) ;; bad spec
	    cron-str ;; `(,cron-str)              ;; just return the string, something downstream will fix it
	    (let loop ((hed  (car cron-items))
		       (tal  (cdr cron-items))
		       (type 'min)
		       (type-tal '(hour dayofmonth month dayofweek))
		       (res  '()))
	      (regex-case
		  hed
		(slash-rx ( _ base incr ) (let* ((basen          (string->number base))
						 (incrn          (string->number incr))
						 (expanded-vals  (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
						 (new-list-crons (fold (lambda (x myres)
									 (cons (conc (if (null? res)
											 ""
											 (conc (string-intersperse res " ") " "))
										     x " " (string-intersperse tal " "))
									       myres))
								       '() expanded-vals)))
					    ;; (print "new-list-crons: " new-list-crons)
					    ;; (fold (lambda (x res)
					    ;; 	    (if (list? x)
					    ;; 		(let ((newres (map common:cron-expand x)))
					    ;; 		  (append x newres))
					    ;; 		(cons x res)))
					    ;; 	  '()
					    (flatten (map common:cron-expand new-list-crons))))
		;;					    (map common:cron-expand (map common:cron-expand new-list-crons))))
		(else (if (null? tal)
			  cron-str
			  (loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))

;;======================================================================
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;;  min    hour   dayofmonth month  dayofweek
;; 0-59    0-23   1-31       1-12   0-6          ### NOTE: dayofweek does not include 7
;;
;;  #t => yes, run the job
;;  #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
  (let* ((cron-items     (map string->number (string-split cron-str)))
	 (now-seconds    (or now-seconds-in (current-seconds)))
	 (now-time       (seconds->local-time now-seconds))
	 (last-done-time (seconds->local-time last-done))
	 (all-times      (make-hash-table)))
    ;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
    (if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
	#f
	(match-let (((     cmin chour cdayofmonth cmonth    cdayofweek)
		     cron-items)
		    ;; 0     1    2        3         4    5      6
		    ((nsec nmin nhour ndayofmonth nmonth nyr ndayofweek n7 n8 n9)
		     (vector->list now-time))
		    ((lsec lmin lhour ldayofmonth lmonth lyr ldayofweek l7 l8 l9)
		     (vector->list last-done-time)))
	  ;; create all possible time slots
	  ;; remove invalid slots due to (for example) day of week
	  ;; get the start and end entries for the ref-seconds (current) time
	  ;; if last-done > ref-seconds => this is an ERROR!
	  ;; does the last-done time fall in the legit region?
	  ;;    yes => #f  do not run again this command
	  ;;    no  => #t  ok to run the command
	  (for-each ;; month
	   (lambda (month)
	     (for-each ;; dayofmonth
	      (lambda (dom)
		(for-each
		 (lambda (hr) ;; hour
		   (for-each
		    (lambda (minute) ;; minute
		      (let ((copy-now (apply vector (vector->list now-time))))
			(vector-set! copy-now 0 0) ;; force seconds to zero
			(vector-set! copy-now 1 minute)
			(vector-set! copy-now 2 hr)
			(vector-set! copy-now 3 dom)  ;; dom is already corrected for zero referenced
			(vector-set! copy-now 4 month)
			(let* ((copy-now-secs (local-time->seconds copy-now))
			       (new-copy      (seconds->local-time copy-now-secs))) ;; remake the time vector
			  (if (or (not cdayofweek)
				  (equal? (vector-ref new-copy 6)
					  cdayofweek)) ;; if the day is specified and a match OR if the day is NOT specified
			      (if (or (not cdayofmonth)
				      (equal? (vector-ref new-copy 3)
					      (+ 1 cdayofmonth))) ;; if the month is specified and a match OR if the month is NOT specified
				  (hash-table-set! all-times copy-now-secs new-copy))))))
		    (if cmin
			`(,cmin)  ;; if given cmin, have to use it
			(list (- nmin 1) nmin (+ nmin 1))))) ;; minute
		 (if chour
		     `(,chour)
		     (list (- nhour 1) nhour (+ nhour 1))))) ;; hour
	      (if cdayofmonth
		  `(,cdayofmonth)
		  (list (- ndayofmonth 1) ndayofmonth (+ ndayofmonth 1)))))
	   (if cmonth
	       `(,cmonth)
	       (list (- nmonth 1) nmonth (+ nmonth 1))))
	  (let ((before #f)
		(is-in  #f))
	    (for-each
	     (lambda (moment)
	       (if (and before
			(<= before now-seconds)
			(>= moment now-seconds))
		   (begin
		     ;; (print)
		     ;; (print "Before: " (time->string (seconds->local-time before)))
		     ;; (print "Now:    " (time->string (seconds->local-time now-seconds)))
		     ;; (print "After:  " (time->string (seconds->local-time moment)))
		     ;; (print "Last:   " (time->string (seconds->local-time last-done)))
		     (if (<  last-done before)
			 (set! is-in before))
		     ))
	       (set! before moment))
	     (sort (hash-table-keys all-times) <))
	    is-in)))))

(define (common:extended-cron  cron-str now-seconds-in last-done)
  (let ((expanded-cron (common:cron-expand cron-str)))
    (if (string? expanded-cron)
	(common:cron-event expanded-cron now-seconds-in last-done)
	(let loop ((hed (car expanded-cron))
		   (tal (cdr expanded-cron)))
	  (if (common:cron-event hed now-seconds-in last-done)
	      #t
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))



;;======================================================================
;; misc stuff
;;======================================================================

(define (common:get-signature str)
  (message-digest-string (md5-primitive) str))

;;======================================================================
;; hash of hashs
;;======================================================================

(define (db:hoh-set! dat key1 key2 val)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (if subhash
	(hash-table-set! subhash key2 val)
	(begin
	  (hash-table-set! dat key1 (make-hash-table))
	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))

;;======================================================================
;; when called from a wrapper I need sometimes to find the calling
;; wrapper, this is for dashboard to find the correct megatest.
;;
(define (common:find-local-megatest #!optional (progname "megatest"))
  (let ((res (filter file-exists?
		     (map (lambda (updir)
			    (let* ((lm  (car (argv)))
				   (dir (pathname-directory lm))
				   (exe (pathname-strip-directory lm)))
			      (conc (if dir (conc dir "/") "")
				    (case (string->symbol exe)
				      ((dboard)    (conc updir progname))
				      ((mtest)     (conc updir progname))
				      ((dashboard) progname)
				      (else exe)))))
			  '("../../" "../")))))
    (if (null? res)
	(begin
	  ;; (debug:print 0 *default-log-port* "Failed to find this executable! Using what can be found on the path")
	  progname)
	(car res))))

(define (common:generic-ssh ssh-command proc default #!optional (msg-proc #f))
  (let ((inp #f))
    (handle-exceptions
	exn
      (begin
	(close-input-port inp)
	(if msg-proc
	    (msg-proc)
	    (debug:print 0 *default-log-port* "Command: \""ssh-command"\" failed. exn="exn))
	default)
      (set! inp (open-input-pipe ssh-command))
      (with-input-from-port inp
	(lambda ()
	  (let ((res (proc)))
	    (close-input-port inp)
	    res))))))

;; this is a close duplicate of:
;;    process:alist-on-host?
;;    process:alive
;;
(define (commonmod:is-test-alive host pid)
  (let* ((same-host (equal? host (get-host-name)))
	 (cmd (conc 
	       (if same-host "" (conc "ssh "host" "))
	       "pstree -A "pid)))
    (if (and host pid
	     (not (equal? host "n/a")))
	
	(let* ((output (if same-host
			   (with-input-from-pipe cmd read-lines)
			   (common:generic-ssh cmd read-lines '())))) ;; (with-input-from-pipe cmd read-lines)))
	  (debug:print 2 *default-log-port* "Running " cmd " received " output)
	  (if (eq? (length output) 0)
	      #f
	      #t))
	#t))) ;; assuming bad query is about a live test is likely not the right thing to do?


)

Modified configf.scm from [6390e213ef] to [c2f41c907e].

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;;======================================================================

(use regex regex-case matchable) ;;  directory-utils)
(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))










(include "common_records.scm")

;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
  (if toppath
      (let ((cfname (conc toppath "/" configname)))







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;;======================================================================

(use regex regex-case matchable) ;;  directory-utils)
(declare (unit configf))
(declare (uses process))
(declare (uses env))
(declare (uses keys))
(declare (uses debugprint))
(declare (uses mtargs))
(declare (uses mtargs.import))
(declare (uses common))
(declare (uses commonmod))
(declare (uses commonmod.import))
(import commonmod
	(prefix mtargs args:)
	debugprint)

(include "common_records.scm")

;; return list (path fullpath configname)
(define (find-config configname #!key (toppath #f))
  (if toppath
      (let ((cfname (conc toppath "/" configname)))
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(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))

(define (configf:system ht cmd)
  (system cmd)
  )



(define (configf:process-line l ht allow-system #!key (linenum #f))
  (let loop ((res l))
    (if (string? res)
	(let ((matchdat (string-search configf:var-expand-regex res)))
	  (if matchdat
	      (let* ((prestr  (list-ref matchdat 1))
		     (cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
		     (cmd     (list-ref matchdat 3))
		     (poststr (list-ref matchdat 4))
		     (result  #f)
		     (start-time (current-seconds))
		     (cmdsym  (string->symbol cmdtype))
		     (fullcmd (case cmdsym
				((scheme scm) (conc "(lambda (ht)" cmd ")"))
				((system)     (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
				((shell sh)   (conc "(lambda (ht)(string-translate (shell \""  cmd "\") \"\n\" \" \"))"))
				((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
				((getenv gv)  (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
				((mtrah)      (conc "(lambda (ht)"
                                                    "    (let ((extra \"" cmd "\"))"
						    "       (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"







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(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)"))

(define (configf:system ht cmd)
  (system cmd)
  )

(define configf:imports "(import commonmod (prefix mtargs args:))")

(define (configf:process-line l ht allow-system #!key (linenum #f))
  (let loop ((res l))
    (if (string? res)
	(let ((matchdat (string-search configf:var-expand-regex res)))
	  (if matchdat
	      (let* ((prestr  (list-ref matchdat 1))
		     (cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
		     (cmd     (list-ref matchdat 3))
		     (poststr (list-ref matchdat 4))
		     (result  #f)
		     (start-time (current-seconds))
		     (cmdsym  (string->symbol cmdtype))
		     (fullcmd (case cmdsym
				((scheme scm) (conc "(lambda (ht)(begin " configf:imports cmd "))"))
				((system)     (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
				((shell sh)   (conc "(lambda (ht)(string-translate (shell \""  cmd "\") \"\n\" \" \"))"))
				((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
				((getenv gv)  (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
				((mtrah)      (conc "(lambda (ht)"
                                                    "    (let ((extra \"" cmd "\"))"
						    "       (conc (or *toppath* (get-environment-variable \"MT_RUN_AREA_HOME\"))"

Modified dashboard-context-menu.scm from [83fc3e6c83] to [8f34d70b32].

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;;======================================================================

;;======================================================================
;; implementation of context menu that pops up on
;; right click on test cell in Runs & Runs Summary Tabs
;;======================================================================













(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

(use srfi-1 posix regex regex-case srfi-69)
(use (prefix sqlite3 sqlite3:))

(declare (unit dashboard-context-menu))
(declare (uses common))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")





(define (dboard:launch-testpanel run-id test-id)
  (let* ((dboardexe (common:find-local-megatest "dashboard"))
         (cmd (conc dboardexe
                    " -test " run-id "," test-id
                    " &")))
    (system cmd)))







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;;======================================================================

;;======================================================================
;; implementation of context menu that pops up on
;; right click on test cell in Runs & Runs Summary Tabs
;;======================================================================

(declare (unit dashboard-context-menu))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

(use srfi-1 posix regex regex-case srfi-69)
(use (prefix sqlite3 sqlite3:))











(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")

(import commonmod
	rmtmod
	debugprint)

(define (dboard:launch-testpanel run-id test-id)
  (let* ((dboardexe (common:find-local-megatest "dashboard"))
         (cmd (conc dboardexe
                    " -test " run-id "," test-id
                    " &")))
    (system cmd)))

Modified dashboard-guimonitor.scm from [60455a8a12] to [76c7fb97a3].

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(import (prefix sqlite3 sqlite3:))

(declare (unit dashboard-guimonitor))
(declare (uses common))
(declare (uses keys))
(declare (uses db))
(declare (uses tasks))



(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "task_records.scm")

(define (control-panel db tdb keys)







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(import (prefix sqlite3 sqlite3:))

(declare (unit dashboard-guimonitor))
(declare (uses common))
(declare (uses keys))
(declare (uses db))
(declare (uses tasks))
(declare (uses commonmod))
(import commonmod)

(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "task_records.scm")

(define (control-panel db tdb keys)

Modified dashboard-tests.scm from [b934cba7e8] to [d3d14d0eb8].

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;;======================================================================

;;======================================================================
;; Test info panel
;;======================================================================












(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

(use srfi-1 posix regex regex-case srfi-69)
(use (prefix sqlite3 sqlite3:))

(declare (unit dashboard-tests))
(declare (uses common))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")

;;======================================================================
;; C O M M O N







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;;======================================================================

;;======================================================================
;; Test info panel
;;======================================================================

(declare (unit dashboard-tests))
(declare (uses common))
(declare (uses commonmod))
(declare (uses db))
(declare (uses gutils))
(declare (uses rmt))
(declare (uses ezsteps))
(declare (uses subrun))
(declare (uses debugprint))
(declare (uses rmtmod))

(use format fmt)
(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)

(use srfi-1 posix regex regex-case srfi-69)
(use (prefix sqlite3 sqlite3:))


(import commonmod


	rmtmod
	debugprint)




(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")

;;======================================================================
;; C O M M O N
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;;======================================================================
;;
;;======================================================================
(define (dashboard-tests:examine-test run-id test-id) ;; run-id run-key origtest)
  (let* ((db-path       (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/db/" run-id ".db"))
	 (dbstruct      #f) ;; NOT ACTUALLY USED (db:setup)) ;; (make-dbr:dbstruct path:  (db:dbfile-path #f) ;; (configf:lookup *configdat* "setup" "linktree") 
			    ;;		   local: #t))
	 (testdat        (rmt:get-test-info-by-id run-id test-id)) ;; (db:get-test-info-by-id dbstruct run-id test-id))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t))
    (if (not testdat)
	(begin
	  (debug:print 2 *default-log-port* "ERROR: No test data found for test " test-id ", exiting")







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;;======================================================================
;;
;;======================================================================
(define (dashboard-tests:examine-test run-id test-id) ;; run-id run-key origtest)
  (let* ((db-path       (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/db/" run-id ".db"))
	 (dbstruct      #f) ;; NOT USED

	 (testdat        (rmt:get-test-info-by-id run-id test-id)) ;; (db:get-test-info-by-id dbstruct run-id test-id))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t))
    (if (not testdat)
	(begin
	  (debug:print 2 *default-log-port* "ERROR: No test data found for test " test-id ", exiting")

Added dashboard-transport-mode.scm.template version [ae157b10fd].













































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;;======================================================================
;; set up transport, db cache and sync methods
;;
;; sync-method:        'original, 'attach or 'none
;; cache-method:       'tmp or 'none
;; rmt:transport-mode: 'http, 'tcp, 'nfs
;;
;; NOTE: NOT ALL COMBINATIONS WORK
;;
;;======================================================================

;; uncomment this block to test without tcp or cachedb
;; (dbfile:sync-method 'none)
;; (dbfile:cache-method 'none)
;; (rmt:transport-mode 'nfs)

;; uncomment this block to test with tcp and cachedb
(dbfile:sync-method 'attach) ;; original was causing crash on start. 
(dbfile:cache-method 'none)
(rmt:transport-mode 'nfs)


Modified dashboard.scm from [4ad343f07e] to [349c7d2aed].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(use format)

(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup)
(use ducttape-lib)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors) ;; defstruct
(import (prefix sqlite3 sqlite3:))
(import dbfile)

(declare (uses common))
(declare (uses margs))
(declare (uses keys))
(declare (uses items))
(declare (uses db))
(declare (uses configf))
(declare (uses process))
(declare (uses launch))
(declare (uses runs))
(declare (uses dashboard-tests))
(declare (uses tree))
(declare (uses dcommon))
(declare (uses dashboard-context-menu))
(declare (uses vg))
(declare (uses subrun))
(declare (uses mt))


(declare (uses dbfile))        






















(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "task_records.scm")
(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "vg_records.scm")





(dbfile:db-init-proc db:initialize-main-db)


(define help (conc 
	      "Megatest Dashboard, documentation at http://www.kiatoa.com/fossils/megatest version " megatest-version 
              " license GPL, Copyright (C) Matt Welland 2012-2017

Usage: dashboard [options]
  -h                    : this help
  -test run-id test-id  : open a test control panel on this test
  -skip-version-check   : skip the version check
  -rows R         : set number of rows
  -cols C         : set number of columns
  -start-dir dir  : start dashboard in the given directory
  -target target  : filter runs tab to given target.
  -debug  n[,n]   : set debug level(s) e.g. -debug 4 or -debug 0,9
  -repl           : Start a chicken scheme interpreter

"
))


;; process args
(define remargs (args:get-args 
		 (argv)
                 ;; parameters (need arguments)
		 (list  "-rows"
			"-cols"
			"-test" ;; given a run id and test id, open only a test control panel on that test..
			"-debug"
                        "-start-dir"
                        "-target"

			) 
                 ;; switches (don't take arguments)
		 (list  "-h"
			"-skip-version-check"
			"-repl"
			"-:p"     ;; ignore the built in chicken profiling switch
			)
		 args:arg-hash
		 0))




    



;; RA => Might require revert for filters 
;; create a watch dog to move changes from lt/.db/*.db to megatest.db
;;
;;;(if (file-write-access? (conc *toppath* "/megatest.db"))
;;(debug:print-info 13 *default-log-port* "Before common:watchdog spawn")

;; (thread-start! (make-thread common:watchdog "Watchdog thread"))







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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================


(declare (uses common))


(declare (uses mtargs))






(declare (uses mtargs.import))
(declare (uses keys))
(declare (uses items))
(declare (uses debugprint))
(declare (uses debugprint.import))
(declare (uses db))
(declare (uses configf))
(declare (uses process))
(declare (uses launch))
(declare (uses runs))
(declare (uses dashboard-tests))
(declare (uses tree))
(declare (uses dcommon))
(declare (uses dashboard-context-menu))
(declare (uses vg))
(declare (uses subrun))
(declare (uses mt))
(declare (uses dbmod))
(declare (uses rmtmod))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses commonmod.import))

(use format)

(require-library iup)
(import (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup
	(prefix sqlite3 sqlite3:))

(use ducttape-lib)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors) ;; defstruct

(import commonmod
	(prefix mtargs args:)
	dbmod
	dbfile
	rmtmod
	debugprint)

(include "common_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "task_records.scm")
(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "vg_records.scm")

;; set some parameters here - these need to be put in something that can be loaded from other
;; executables such as dashboard and mtutil
;;
(include "dashboard-transport-mode.scm")
(dbfile:db-init-proc db:initialize-main-db)
(set! rmtmod:send-receive rmt:send-receive)

(define help (conc 
	      "Megatest Dashboard, documentation at http://www.kiatoa.com/fossils/megatest version " megatest-version 
              " license GPL, Copyright (C) Matt Welland 2012-2017

Usage: dashboard [options]
  -h                    : this help
  -test run-id test-id  : open a test control panel on this test
  -skip-version-check   : skip the version check
  -rows R         : set number of rows
  -cols C         : set number of columns
  -start-dir dir  : start dashboard in the given directory
  -target target  : filter runs tab to given target.
  -debug  n[,n]   : set debug level(s) e.g. -debug 4 or -debug 0,9
  -repl           : Start a chicken scheme interpreter
  -mode MODE      : tcp or nfs
"
))


;; process args
(define remargs (args:get-args 
		 (argv)
                 ;; parameters (need arguments)
		 (list  "-rows"
			"-cols"
			"-test" ;; given a run id and test id, open only a test control panel on that test..
			"-debug"
                        "-start-dir"
                        "-target"
			"-mode"  ;; tcp or nfs
			) 
                 ;; switches (don't take arguments)
		 (list  "-h"
			"-skip-version-check"
			"-repl"
			"-:p"     ;; ignore the built in chicken profiling switch
			)
		 args:arg-hash
		 0))

(if (args:get-arg "-mode")
    (let* ((mode (string->symbol (args:get-arg "-mode"))))
      (rmt:transport-mode mode)))

(if (args:get-arg "-test") ;; need to use tcp for test control panel
    (rmt:transport-mode 'tcp))

;; RA => Might require revert for filters 
;; create a watch dog to move changes from lt/.db/*.db to megatest.db
;;
;;;(if (file-write-access? (conc *toppath* "/megatest.db"))
;;(debug:print-info 13 *default-log-port* "Before common:watchdog spawn")

;; (thread-start! (make-thread common:watchdog "Watchdog thread"))
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   (dboard:commondat-tabdats commondat)
   tabnum
   tabdat))

;; gets and calls updater list based on curr-tab-num
;;
(define (dboard:common-run-curr-updaters commondat #!key (tab-num #f))
  (sync-db-to-tmp (dboard:common-get-tabdat commondat tab-num: tab-num))




  (if (dboard:common-get-tabdat commondat tab-num: tab-num) ;; only update if there is a tabdat
      (let* ((tnum     (or tab-num (dboard:commondat-curr-tab-num commondat)))
	     (updaters (hash-table-ref/default (dboard:commondat-updaters commondat)
					       tnum
					       '())))
	(debug:print 4 *default-log-port* "Found these updaters: " updaters " for tab-num: " tnum)
	(for-each ;; perform the function calls for the complete updaters list







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   (dboard:commondat-tabdats commondat)
   tabnum
   tabdat))

;; gets and calls updater list based on curr-tab-num
;;
(define (dboard:common-run-curr-updaters commondat #!key (tab-num #f))
  ;; (sync-db-to-tmp (dboard:common-get-tabdat commondat tab-num: tab-num)) ;; no longer applies

  ;; maybe need sleep here?

  
  (if (dboard:common-get-tabdat commondat tab-num: tab-num) ;; only update if there is a tabdat
      (let* ((tnum     (or tab-num (dboard:commondat-curr-tab-num commondat)))
	     (updaters (hash-table-ref/default (dboard:commondat-updaters commondat)
					       tnum
					       '())))
	(debug:print 4 *default-log-port* "Found these updaters: " updaters " for tab-num: " tnum)
	(for-each ;; perform the function calls for the complete updaters list
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  ;; runs summary view
  
  tests-tree       ;; used in newdashboard
  )

;; register tabdat with BBpp
;; this is used by BBpp (Brandon's pretty printer) to convert dboard:tabdat into a composition of lists that pp will handle
(hash-table-set! *BBpp_custom_expanders_list* TABDAT:
                 (cons dboard:tabdat?
                       (lambda (tabdat-item)
                         (filter
                          (lambda (alist-entry)
                            (member (car alist-entry)
                                    '(allruns-by-id allruns))) ;; FIELDS OF INTEREST
                          (dboard:tabdat->alist tabdat-item)))))



(define (dboard:tabdat-target-string vec)
  (let ((targ (dboard:tabdat-target vec)))
    (if (list? targ)(string-intersperse targ "/") "no-target-specified")))








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  ;; runs summary view
  
  tests-tree       ;; used in newdashboard
  )

;; register tabdat with BBpp
;; this is used by BBpp (Brandon's pretty printer) to convert dboard:tabdat into a composition of lists that pp will handle
;; (hash-table-set! *BBpp_custom_expanders_list* TABDAT:
;;                  (cons dboard:tabdat?
;;                        (lambda (tabdat-item)
;;                          (filter
;;                           (lambda (alist-entry)
;;                             (member (car alist-entry)
;;                                     '(allruns-by-id allruns))) ;; FIELDS OF INTEREST
;;                           (dboard:tabdat->alist tabdat-item)))))



(define (dboard:tabdat-target-string vec)
  (let ((targ (dboard:tabdat-target vec)))
    (if (list? targ)(string-intersperse targ "/") "no-target-specified")))

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(define (dboard:runsdat-make-init)
  (make-dboard:runsdat
   runs-index: (make-hash-table)
   tests-index: (make-hash-table)
   matrix-dat: (make-sparse-array)))



;; used to keep the rundata from rmt:get-tests-for-run
;; in sync. 
;;
(defstruct dboard:rundat
  run
  tests-drawn    ;; list of id's already drawn on screen
  tests-notdrawn ;; list of id's NOT already drawn
  rowsused       ;; hash of lists covering what areas used - replace with quadtree
  hierdat        ;; put hierarchial sorted list here
  tests          ;; hash of id => testdat
  ((tests-by-name (make-hash-table)) : hash-table) ;; hash of testfullname => testdat
  key-vals
  ((last-update   0)                 : number)    ;; last query to db got records from before last-update
  ((last-db-time  0)                 : number)    ;; last timestamp on main.db
  ((data-changed  #f)                : boolean)   
  ((run-data-offset  0)              : number)      ;; get only 100 items per call, set back to zero when received less than 100 items
  (db-path #f))

;; for the new runs view lets build up a few new record types and then consolidate later
;;
;; this is a two level deep pipeline for the incoming data:
;;   sql query data ==> filters ==> data for display
;;
(defstruct dboard:rdat







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(define (dboard:runsdat-make-init)
  (make-dboard:runsdat
   runs-index: (make-hash-table)
   tests-index: (make-hash-table)
   matrix-dat: (make-sparse-array)))

;; duplicated in dcommon.scm
;;
;; ;; used to keep the rundata from rmt:get-tests-for-run
;; ;; in sync. 
;; ;;
;; (defstruct dboard:rundat
;;   run
;;   tests-drawn    ;; list of id's already drawn on screen
;;   tests-notdrawn ;; list of id's NOT already drawn
;;   rowsused       ;; hash of lists covering what areas used - replace with quadtree
;;   hierdat        ;; put hierarchial sorted list here
;;   tests          ;; hash of id => testdat
;;   ((tests-by-name (make-hash-table)) : hash-table) ;; hash of testfullname => testdat
;;   key-vals
;;   ((last-update   0)                 : number)    ;; last query to db got records from before last-update
;;   ((last-db-time  0)                 : number)    ;; last timestamp on main.db
;;   ((data-changed  #f)                : boolean)   
;;   ((run-data-offset  0)              : number)      ;; get only 100 items per call, set back to zero when received less than 100 items
;;   (db-path #f))

;; for the new runs view lets build up a few new record types and then consolidate later
;;
;; this is a two level deep pipeline for the incoming data:
;;   sql query data ==> filters ==> data for display
;;
(defstruct dboard:rdat
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  status
  start-time
  duration
  )

;; register dboard:rundat with BBpp
;; this is used by BBpp (Brandon's pretty printer) to convert dboard:rundat into a composition of lists that pp will handle
(hash-table-set! *BBpp_custom_expanders_list* RUNDAT:
                 (cons dboard:rundat?
                       (lambda (tabdat-item)
                         (filter
                          (lambda (alist-entry)
                            (member (car alist-entry)
                                    '(run run-data-offset ))) ;; FIELDS OF INTEREST
                          (dboard:rundat->alist tabdat-item)))))




(define (dboard:rundat-make-init #!key (run #f)(key-vals #f)(tests #f));; -100 is before time began
  (make-dboard:rundat 
   run: run







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  status
  start-time
  duration
  )

;; register dboard:rundat with BBpp
;; this is used by BBpp (Brandon's pretty printer) to convert dboard:rundat into a composition of lists that pp will handle
;; (hash-table-set! *BBpp_custom_expanders_list* RUNDAT:
;;                  (cons dboard:rundat?
;;                        (lambda (tabdat-item)
;;                          (filter
;;                           (lambda (alist-entry)
;;                             (member (car alist-entry)
;;                                     '(run run-data-offset ))) ;; FIELDS OF INTEREST
;;                           (dboard:rundat->alist tabdat-item)))))




(define (dboard:rundat-make-init #!key (run #f)(key-vals #f)(tests #f));; -100 is before time began
  (make-dboard:rundat 
   run: run
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(define (dboard:get-tests-for-run-duplicate tabdat run-id run testnamepatt key-vals)
  (let* ((start-time   (current-seconds))
	 (access-mode  (dboard:tabdat-access-mode tabdat))
         (num-to-get   (string->number (or (configf:lookup *configdat* "setup" "num-tests-to-get")
                                           "200")))
	 (states       (hash-table-keys (dboard:tabdat-state-ignore-hash tabdat)))
	 (statuses     (hash-table-keys (dboard:tabdat-status-ignore-hash tabdat)))
         (do-not-use-db-file-timestamps #t) ;; (configf:lookup *configdat* "setup" "do-not-use-db-file-timestamps")) ;; this still hosts runs-summary-tab
         (do-not-use-query-timestamps   #t) ;; (configf:lookup *configdat* "setup" "do-not-use-query-timestamps")) ;; this no longer troubles runs-summary-tab
	 (sort-info    (get-curr-sort))
	 (sort-by      (vector-ref sort-info 1))
	 (sort-order   (vector-ref sort-info 2))
	 (bubble-type  (if (member sort-order '(testname))
			   'testname
			   'itempath))







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(define (dboard:get-tests-for-run-duplicate tabdat run-id run testnamepatt key-vals)
  (let* ((start-time   (current-seconds))
	 (access-mode  (dboard:tabdat-access-mode tabdat))
         (num-to-get   (string->number (or (configf:lookup *configdat* "setup" "num-tests-to-get")
                                           "200")))
	 (states       (hash-table-keys (dboard:tabdat-state-ignore-hash tabdat)))
	 (statuses     (hash-table-keys (dboard:tabdat-status-ignore-hash tabdat)))
         (do-not-use-db-file-timestamps #f) ;; (configf:lookup *configdat* "setup" "do-not-use-db-file-timestamps")) ;; this still hosts runs-summary-tab
         (do-not-use-query-timestamps   #t) ;; (configf:lookup *configdat* "setup" "do-not-use-query-timestamps")) ;; this no longer troubles runs-summary-tab
	 (sort-info    (get-curr-sort))
	 (sort-by      (vector-ref sort-info 1))
	 (sort-order   (vector-ref sort-info 2))
	 (bubble-type  (if (member sort-order '(testname))
			   'testname
			   'itempath))
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                        ;;(dboard:tabdat-filters-changed tabdat))
                        0
                        (dboard:rundat-last-update run-dat)))
	 (last-db-time (if do-not-use-db-file-timestamps
			   0
			   (dboard:rundat-last-db-time run-dat)))
	 (db-path      (or (dboard:rundat-db-path run-dat)
			   (let* ((db-dir (common:get-db-tmp-area))
				  (db-pth (conc db-dir "/.megatest/main.db")))
			     (dboard:rundat-db-path-set! run-dat db-pth)
			     db-pth)))
	 (db-mod-time  (common:lazy-sqlite-db-modification-time db-path))
	 (db-modified  (>= db-mod-time last-db-time))
	 (multi-get    (> (dboard:rundat-run-data-offset run-dat) 0))  ;; multi-get in progress
	 (tmptests     (if (or do-not-use-db-file-timestamps
			       (dboard:tabdat-filters-changed tabdat)







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                        ;;(dboard:tabdat-filters-changed tabdat))
                        0
                        (dboard:rundat-last-update run-dat)))
	 (last-db-time (if do-not-use-db-file-timestamps
			   0
			   (dboard:rundat-last-db-time run-dat)))
	 (db-path      (or (dboard:rundat-db-path run-dat)
			   (let* ((db-dir (get-environment-variable "MT_RUN_AREA_HOME")) ;;  (common:get-db-tmp-area))
				  (db-pth (conc db-dir "/.mtdb/main.db")))
			     (dboard:rundat-db-path-set! run-dat db-pth)
			     db-pth)))
	 (db-mod-time  (common:lazy-sqlite-db-modification-time db-path))
	 (db-modified  (>= db-mod-time last-db-time))
	 (multi-get    (> (dboard:rundat-run-data-offset run-dat) 0))  ;; multi-get in progress
	 (tmptests     (if (or do-not-use-db-file-timestamps
			       (dboard:tabdat-filters-changed tabdat)
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;; optimized to get runs constrained by what is visible on the screen
;;  - not appropriate for where all the runs are needed
;;
(define (update-buttons tabdat uidat numruns numtests)
  (let* ((runs        (if (> (length (dboard:tabdat-allruns tabdat)) numruns)
			  (take-right (dboard:tabdat-allruns tabdat) numruns)
			  (pad-list (dboard:tabdat-allruns tabdat) numruns)))
	 (lftcol      (dboard:uidat-get-lftcol uidat))
	 (tableheader (dboard:uidat-get-header uidat))
	 (table       (dboard:uidat-get-runsvec uidat))
	 (coln        0)
	 (all-test-names (make-hash-table))
	 (use-bgcolor (equal? (configf:lookup *configdat* "dashboard" "use-bgcolor") "yes")) ;; doesn't work
	 )







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;; optimized to get runs constrained by what is visible on the screen
;;  - not appropriate for where all the runs are needed
;;
(define (update-buttons tabdat uidat numruns numtests)
  (let* ((runs        (if (> (length (dboard:tabdat-allruns tabdat)) numruns)
			  (take-right (dboard:tabdat-allruns tabdat) numruns)
			  (pad-list   (dboard:tabdat-allruns tabdat) numruns)))
	 (lftcol      (dboard:uidat-get-lftcol uidat))
	 (tableheader (dboard:uidat-get-header uidat))
	 (table       (dboard:uidat-get-runsvec uidat))
	 (coln        0)
	 (all-test-names (make-hash-table))
	 (use-bgcolor (equal? (configf:lookup *configdat* "dashboard" "use-bgcolor") "yes")) ;; doesn't work
	 )
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(define (dboard:get-last-db-update tabdat context)
  (hash-table-ref/default (dboard:tabdat-last-db-update tabdat) context 0))

(define (dboard:set-last-db-update! tabdat context newtime)
  (hash-table-set! (dboard:tabdat-last-db-update tabdat) context newtime))

;; DOES NOT WORK RELIABLY WITH /tmp WAL mode files. Timestamps only change when the db
;; is closed (I think). If db dir starts with /tmp always return true
;;
(define (dashboard:database-changed? commondat tabdat #!key (context-key 'default))
  (let* ((run-update-time (current-seconds))
	 (dbdir           (dboard:tabdat-dbdir tabdat))
	 (modtime         (dashboard:get-youngest-run-db-mod-time dbdir))
	 (recalc          (dashboard:recalc modtime 
					    (dboard:commondat-please-update commondat) 
					    (dboard:get-last-db-update tabdat context-key))))
    ;; (dboard:tabdat-last-db-update tabdat))))
    (if recalc 
	(dboard:set-last-db-update! tabdat context-key run-update-time))
    (dboard:commondat-please-update-set! commondat #f)
    recalc))

;; point inside line
;;







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(define (dboard:get-last-db-update tabdat context)
  (hash-table-ref/default (dboard:tabdat-last-db-update tabdat) context 0))

(define (dboard:set-last-db-update! tabdat context newtime)
  (hash-table-set! (dboard:tabdat-last-db-update tabdat) context newtime))



;;
(define (dashboard:database-changed? commondat tabdat #!key (context-key 'default))
  (let* ((run-update-time (current-seconds))
         (dbdir           (conc *toppath* "/.mtdb"`))
	 (modtime         (dashboard:get-youngest-run-db-mod-time dbdir))
	 (recalc          (dashboard:recalc modtime 
					    (dboard:commondat-please-update commondat) 
					    (dboard:get-last-db-update tabdat context-key))))

    (if recalc 
	(dboard:set-last-db-update! tabdat context-key run-update-time))
    (dboard:commondat-please-update-set! commondat #f)
    recalc))

;; point inside line
;;
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;;======================================================================

(stop-the-train)

(define (main)
  ;; (print "Starting dashboard main")
    
  (let* ((mtdb-path (conc *toppath* "/.megatest/main.db"))
         (target (args:get-arg "-target"))
         (commondat       (dboard:commondat-make)))
    (if target
        (begin
          (args:remove-arg-from-ht "-target")
          (dboard:commondat-target-set! commondat target)
        )







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;;======================================================================

(stop-the-train)

(define (main)
  ;; (print "Starting dashboard main")
    
  (let* ((mtdb-path (conc *toppath* "/.mtdb/main.db"))
         (target (args:get-arg "-target"))
         (commondat       (dboard:commondat-make)))
    (if target
        (begin
          (args:remove-arg-from-ht "-target")
          (dboard:commondat-target-set! commondat target)
        )
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(define last-copy-time 0)


;; Sync to tmp only if in read-only mode.

(define (sync-db-to-tmp tabdat)
  (let* ((db-file "./.megatest/main.db"))
    (if (and (not (file-write-access? db-file)) ( > (current-seconds) (+ last-copy-time 5)))
      (begin
        (db:multi-db-sync (db:setup #f) 'old2new)
        (set! last-copy-time (current-seconds))
      )
    )
  )







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(define last-copy-time 0)


;; Sync to tmp only if in read-only mode.

(define (sync-db-to-tmp tabdat)
  (let* ((db-file "./.mtdb/main.db"))
    (if (and (not (file-write-access? db-file)) ( > (current-seconds) (+ last-copy-time 5)))
      (begin
        (db:multi-db-sync (db:setup #f) 'old2new)
        (set! last-copy-time (current-seconds))
      )
    )
  )

Modified db.scm from [e18bcc992d] to [d424f2ae6d].

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;;======================================================================
;; Database access
;;======================================================================

;; dbstruct vector containing all the relevant dbs like main.db, megatest.db, run.db etc
















(use (srfi 18)
     extras
     tcp
     stack
     (prefix sqlite3 sqlite3:)
     srfi-1
     posix
     regex
     regex-case
     srfi-69
     csv-xml
     s11n
     md5
     message-digest
     (prefix base64 base64:)
     format
     dot-locking
     z3
     typed-records
     matchable
     files)

(declare (unit db))
(declare (uses common))
(declare (uses dbmod))
;; (declare (uses debugprint))
(declare (uses dbfile))
(declare (uses keys))
(declare (uses ods))
(declare (uses client))
(declare (uses mt))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

(define *number-of-writes* 0)
(define *number-non-write-queries* 0)

(import dbmod)
(import dbfile)



;; record for keeping state,status and count for doing roll-ups in
;; iterated tests
;;
(defstruct dbr:counts
  (state #f)
  (status #f)
  (count  0)) 








;;======================================================================
;; hash of hashs
;;======================================================================


(define (db:hoh-set! dat key1 key2 val)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (if subhash
	(hash-table-set! subhash key2 val)
	(begin
	  (hash-table-set! dat key1 (make-hash-table))
	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))

(define (db:get-cache-stmth dbdat run-id db stmt)
  (let* (;; (dbdat       (dbfile:get-dbdat dbstruct run-id))
	 (stmt-cache  (dbr:dbdat-stmt-cache dbdat))
	 (stmth       (db:hoh-get stmt-cache db stmt)))
    (or stmth
	(let* ((newstmth (sqlite3:prepare db stmt)))
	  (db:hoh-set! stmt-cache db stmt newstmth)
	  newstmth))))

;;======================================================================
;; SQLITE3 HELPERS
;;======================================================================

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
    ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)







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;;======================================================================
;; Database access
;;======================================================================

;; dbstruct vector containing all the relevant dbs like main.db, megatest.db, run.db etc

(declare (unit db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses dbmod))
(declare (uses dbfile))
(declare (uses keys))
(declare (uses ods))
(declare (uses mt))
(declare (uses commonmod))
(declare (uses mtargs))
(declare (uses rmtmod))

(import commonmod
	(prefix mtargs args:))

(use (srfi 18)
     extras
     ;; tcp
     stack
     (prefix sqlite3 sqlite3:)
     srfi-1
     posix
     regex
     regex-case
     srfi-69
     csv-xml
     s11n
     md5
     message-digest
     (prefix base64 base64:)
     format
     dot-locking
     z3
     typed-records
     matchable
     files)











(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

(define *number-of-writes* 0)
(define *number-non-write-queries* 0)

(import debugprint)
(import dbfile)
(import dbmod)
(import rmtmod)

;; record for keeping state,status and count for doing roll-ups in
;; iterated tests
;;
(defstruct dbr:counts
  (state #f)
  (status #f)
  (count  0)) 

;; (define (db:with-db dbstruct run-id r/w proc . params)
;;   (case (rmt:transport-mode)
;;     ((http)(dbfile:with-db dbstruct run-id r/w proc params))
;;     ((tcp) (dbmod:with-db dbstruct run-id r/w proc params))
;;     ((nfs) (dbmod:with-db dbstruct run-id r/w proc params))
;;     (else (assert #f "FATAL: db:with-db called with non-existant transport mode"))))

;;======================================================================
;; hash of hashs
;;======================================================================


(define (db:hoh-set! dat key1 key2 val)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (if subhash
	(hash-table-set! subhash key2 val)
	(begin
	  (hash-table-set! dat key1 (make-hash-table))
	  (db:hoh-set! dat key1 key2 val)))))

(define (db:hoh-get dat key1 key2)
  (let* ((subhash (hash-table-ref/default dat key1 #f)))
    (and subhash
	 (hash-table-ref/default subhash key2 #f))))










;;======================================================================
;; SQLITE3 HELPERS
;;======================================================================

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
    ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
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(define (db:setup do-sync)
  (assert *toppath* "FATAL: db:setup called before launch:setup has been run.")
  (let* ((tmpdir (common:get-db-tmp-area)))
    (if (not *dbstruct-dbs*)
	(dbfile:setup do-sync *toppath* tmpdir)
	*dbstruct-dbs*)))










































































;; looks up subdb and returns it, if not found then set up
;; and then return it.
;;
#;(define (db:get-db dbstruct run-id)
  (let* ((res (dbfile:get-subdb dbstruct run-id)))
    (if res
	res
	(let* ((newsubdb (make-dbr:subdb)))
	  (dbfile:set-subdb dbstruct run-id newsubdb)
	  (db:open-db dbstruct run-id areapath: (dbr:dbstruct-areapath dbstruct) do-sync: #t)
	  newsubdb))))

;; Get/open a database
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if run-id is a string treat it as a filename
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
;; (define db:get-db db:get-subdb)

;; (define (db:get-db subdb #;dbstruct run-id) ;; RENAME TO db:get-dbh
;;   ;; (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
;;     (if (stack? (dbr:subdb-dbstack subdb))







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(define (db:setup do-sync)
  (assert *toppath* "FATAL: db:setup called before launch:setup has been run.")
  (let* ((tmpdir (common:get-db-tmp-area)))
    (if (not *dbstruct-dbs*)
	(dbfile:setup do-sync *toppath* tmpdir)
	*dbstruct-dbs*)))

;; moved from dbfile
;;
;; ADD run-id SUPPORT
;;
(define (db:create-all-triggers dbstruct)
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)
     (db:create-triggers db))))

(define (db:create-triggers db)
    (for-each (lambda (key)
              (sqlite3:execute db (cadr key)))
          db:trigger-list))

(define (db:drop-all-triggers dbstruct)
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)
     (db:drop-triggers db))))

(define (db:have-incompletes? dbstruct run-id ovr-deadtime)
  (let* ((incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
	 ;; (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
	 (deadtime  (or ovr-deadtime 72000))) ;; twenty hours
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       
       ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
       ;;
       ;; HOWEVER: this code in run:test seems to work fine
       ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
       ;;                     (db:test-get-run_duration testdat)))
       ;;                    600) 
       ;; (db:delay-if-busy dbdat)
       (sqlite3:for-each-row 
        (lambda (test-id run-dir uname testname item-path)
          (if (and (equal? uname "n/a")
                   (equal? item-path "")) ;; this is a toplevel test
              ;; what to do with toplevel? call rollup?
              (begin
                (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels)))
                ;; (print-info "Found old toplevel test in RUNNING state, test-id=" test-id))
              (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))))
        (db:get-cache-stmth dbdat db
        "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?) AND state IN ('RUNNING','REMOTEHOSTSTART');")
        run-id deadtime)

       ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
       ;;
       ;; (db:delay-if-busy dbdat)
       (sqlite3:for-each-row
        (lambda (test-id run-dir uname testname item-path)
          (if (and (equal? uname "n/a")
                   (equal? item-path "")) ;; this is a toplevel test
              ;; what to do with toplevel? call rollup?
              (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
              (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched))))
        (db:get-cache-stmth dbdat db
        "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400 AND state IN ('LAUNCHED');")
        run-id)
       
       ;; (print-info "Found " (length oldlaunched) " old LAUNCHED items, " (length toplevels) " old LAUNCHED toplevel tests and " (length incompleted) " tests marked RUNNING but apparently dead.")
       (if (and (null? incompleted)
                (null? oldlaunched)
                (null? toplevels))
           #f
           #t)))))


;; looks up subdb and returns it, if not found then set up
;; and then return it.
;;
#;(define (db:get-db dbstruct run-id)
  (let* ((res (dbfile:get-subdb dbstruct run-id)))
    (if res
	res
	(let* ((newsubdb (make-dbr:subdb)))
	  (dbfile:set-subdb dbstruct run-id newsubdb)
	  (db:open-db dbstruct run-id areapath: (dbr:dbstruct-areapath dbstruct) do-sync: #t)
	  newsubdb))))

;; Get/open a database
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if run-id is a string treat it as a filename
;;    if db already open - return cachedb
;;    if db not open, open cachedb, rundb and sync then return cachedb
;;    inuse gets set automatically for rundb's
;;
;; (define db:get-db db:get-subdb)

;; (define (db:get-db subdb #;dbstruct run-id) ;; RENAME TO db:get-dbh
;;   ;; (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
;;     (if (stack? (dbr:subdb-dbstack subdb))
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;; return the target db handle so it can be used
;;
(define (db:cache-for-read-only source target #!key (use-last-update #f))
  (if (and (hash-table-ref/default *global-db-store* target #f)
	   (>= (file-modification-time target)(file-modification-time source)))
      (hash-table-ref *global-db-store* target)
      (let* ((toppath   (launch:setup))

	     (targ-db-last-mod (if (common:file-exists? target)

				   (file-modification-time target)
				   0))
	     (cache-db  (or (hash-table-ref/default *global-db-store* target #f)
			    (db:open-megatest-db path: target)))
	     (source-db (db:open-megatest-db path: source))
	     (curr-time (current-seconds))
	     (res      '())
	     (last-update (if use-last-update (cons "last_update" targ-db-last-mod) #f)))
	(db:sync-tables (db:sync-main-list source-db) last-update source-db cache-db)
	(db:sync-tables db:sync-tests-only last-update source-db cache-db)
	(hash-table-set! *global-db-store* target cache-db)
	cache-db)))

;; ;; call a proc with a cached db










;; ;;
;; (define (db:call-with-cached-db proc . params)
;;   ;; first cache the db in /tmp
;;   (let* ((cname-part (conc "megatest_cache/" (common:get-testsuite-name)))
;; 	 (fname      (conc  (common:get-area-path-signature) ".db"))
;; 	 (cache-dir  (common:get-create-writeable-dir
;; 		      (list (conc "/tmp/" (current-user-name) "/" cname-part)
;; 			    (conc "/tmp/" (current-user-name) "-" cname-part)
;; 			     (conc "/tmp/" (current-user-name) "_" cname-part))))
;; 	 (megatest-db (conc *toppath* "/megatest.db")))
;;     ;; (debug:print-info 0 *default-log-port* "Using cache dir " cache-dir)
;;     (if (not cache-dir)
;; 	(begin
;; 	  (debug:print 0 *default-log-port* "ERROR: Failed to find an area to write the cache db")



;; 	  (exit 1))
;; 	(let* ((th1      (make-thread
;; 			  (lambda ()

;; 			    (if (and (common:file-exists? megatest-db)
;; 				     (file-write-access? megatest-db))




;; 				(begin
;; 				  (db:sync-to-megatest.db dbstruct 'timestamps) ;; internally mutexes on *db-local-sync*
;; 				  (debug:print-info 2 *default-log-port* "Done syncing to megatest.db")))) 
;; 			  "call-with-cached-db sync-to-megatest.db"))









;; 	       (cache-db (db:cache-for-read-only




;; 			  megatest-db

;; 			  (conc cache-dir "/" fname)

;; 			  use-last-update: #t)))

;; 	  (thread-start! th1)
;; 	  (apply proc cache-db params)





;; 	  ))))









(define (db:all-db-sync dbstruct)
  (let* ((dbdat (db:open-db dbstruct #f db:initialize-main-db))
	 (data-synced       0) ;; count of changed records
    (tmp-area       (common:get-db-tmp-area))
    (dbfiles        (glob (conc tmp-area"/.megatest/*.db")))
    (sync-durations (make-hash-table))
    (no-sync-db        (db:open-no-sync-db)))
    (for-each
     (lambda (file)
       (debug:print-info 3 *default-log-port* "file: " file)
       (let* ((fname       (conc (pathname-file file) ".db"))
	      (fulln       (conc *toppath*"/.megatest/"fname))
	      (time1       (if (file-exists? file)
			       (file-modification-time file)
			       (begin
				 (debug:print-info 2 *default-log-port* "Sync - I do not see file "file)
			   1)))
	      (time2       (if (file-exists? fulln)
			       (file-modification-time fulln)
			       (begin
				 (debug:print-info 2 *default-log-port* "Sync - I do not see file "fulln)
				 0)))
	      (changed      (> (- time1 time2) (+ (random 5) 1)))  ;; it has been at some few seconds since last synced
	      (changed10    (> (- time1 time2) 10)) ;; it has been at least ten seconds since sync'd
	      (jfile-exists (file-exists? (conc file"-journal"))) ;; i.e. are we busy?
	      (do-cp        (cond
			     ((not (file-exists? fulln)) ;; shouldn't happen, but this might recover
			      (cons #t (conc "File "fulln" not found! Copying "fname" to "fulln)))
			     ((and (not jfile-exists) changed)
			      (cons #t "not busy, changed")) ;; not busy and changed
			     ((and jfile-exists changed10)
			      (cons #t "busy but not synced in a while")) ;; busy but not sync'd in over 10 seconds
			     ((and changed *time-to-exit*)
			      (cons #t "Time to exit, forced final sync")) ;; last sync
			     (else
			      (cons #f "No sync needed")))))

	 (if (car do-cp)
	     (let* ((start-time (current-milliseconds))
		    (fname (pathname-file file))
		    (runid (if (string= fname "main") #f (string->number fname))))
	       (debug:print-info 3 *default-log-port* "db:all-db-sync: fname: "
				 fname", delta: " (- time1 time2) " seconds, reason: "(cdr do-cp))
	       (db:lock-and-delta-sync no-sync-db dbstruct fname runid (db:get-keys dbstruct) db:initialize-main-db)
	       (hash-table-set! sync-durations (conc fname".db")
				(- (current-milliseconds) start-time)))
	     (debug:print-info 3 *default-log-port* "skipping sync. " file " is up to date")
         )))

     dbfiles)
    (if dbdat (dbfile:add-dbdat dbstruct #f dbdat)))
  #t)

;; options:
;;
;;  'killservers  - kills all servers
;;  'dejunk       - removes junk records
;;  'adj-testids  - move test-ids into correct ranges
;;  'old2new      - sync megatest.db to /tmp/.../megatest.db and /tmp/.../megatest_ref.db
;;  'new2old      - sync /tmp/.../megatest.db to megatest.db and /tmp/.../megatest_ref.db (and update data_synced)
;;  'closeall     - close all opened dbs
;;  'schema       - attempt to apply schema changes
;;  run-ids: '(1 2 3 ...) or #f (for all)
;;
(define (db:multi-db-sync dbstruct . options)
  (let* (;; (dbdat       (db:open-db dbstruct #f dbfile:db-init-proc))
	 (data-synced 0) ;; count of changed records
    (tmp-area       (common:get-db-tmp-area))
    (old2new (member 'old2new options))
    (dejunk (member 'dejunk options))
    (killservers (member 'killservers options))
    (servers (server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath*))
    (src-area (if old2new *toppath* tmp-area))
    (dest-area (if old2new tmp-area *toppath*))
    (dbfiles        (if old2new (glob (conc *toppath* "/.megatest/*.db")) (glob (conc tmp-area "/.megatest/*.db"))))
    (keys (db:get-keys dbstruct))
    (sync-durations (make-hash-table)))


    (if killservers
      (begin
       	  (for-each
	   (lambda (server)
             (handle-exceptions
             exn
             (begin 
               (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " server ", exn=" exn)     
               #f)
	     (match-let (((mod-time host port start-time server-id pid) server))
	       (if (and host pid)
		   (tasks:kill-server host pid)))))
	   servers)
          (delete-file* (common:get-sync-lock-filepath))
      )
    )


    (for-each
     (lambda (srcfile)
       (debug:print-info 3 *default-log-port* "file: " srcfile)
       (let* ((fname (conc (pathname-file srcfile) ".db"))
              (basename (pathname-file srcfile))
              (run-id (if (string= basename "main") #f (string->number basename)))
	      (destfile (conc dest-area "/.megatest/" fname))
              (dest-directory  (conc dest-area "/.megatest/"))
              (dummy (debug:print-info 2 *default-log-port* "destfile = " destfile))
              (dummy2 (debug:print-info 2 *default-log-port* "dejunk = " dejunk))
	      (time1 (file-modification-time srcfile))
              (time2 (if (file-exists? destfile)
                         (begin
                            (debug:print-info 2 *default-log-port* "destfile " destfile " exists")
			    (file-modification-time destfile)
                         )
			 (begin
			   (debug:print-info 0 *default-log-port* "Sync - I do not see file " destfile)
			   0)))
	      (changed ( < (- time2 time1) 6.0)) ;; dest db not updated within last 6 seconds

      (do-cp (cond
		      ((not (file-exists? destfile)) ;; shouldn't happen, but this might recover
		       (debug:print-info 2 *default-log-port* "File " destfile " not found. Copying "srcfile" to "destfile)

                       (system (conc "/bin/mkdir -p " dest-directory))
                       (system (conc "/bin/cp " srcfile " " destfile))
		       #t)
		      (changed ;; (and changed
		       ;; (> (- (current-seconds) time1) 3)) ;; if file is changed and three seconds have passed.
		       #t)
		      ((and changed *time-to-exit*) ;; last sync
		       #t)
		      (else
		       #f))))
          (if (or dejunk do-cp)
	     (let* (
                    (start-time (current-milliseconds))



                    (subdb (or (dbfile:get-subdb dbstruct run-id) (dbfile:init-subdb dbstruct run-id dbfile:db-init-proc)))
                    (mtdb      (dbr:subdb-mtdbdat subdb))



                    (tmpdb     (dbfile:open-db dbstruct run-id dbfile:db-init-proc))

                    )
	       (debug:print-info 2 *default-log-port* "delta syncing file: " srcfile ", time diff: " (- time1 time2) " seconds")

               (if old2new
                 (begin
                   (if dejunk (db:clean-up run-id mtdb))
		   (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) #f mtdb tmpdb)


                 )
                 (begin
                   (if dejunk (db:clean-up run-id tmpdb))
		   (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) #f tmpdb mtdb)
                 )
               )
	       (hash-table-set! sync-durations (conc srcfile ".db") (- (current-milliseconds) start-time)))
	     (debug:print-info 2 *default-log-port* "skipping delta sync. " srcfile " is up to date")
          )
       )
     )
     dbfiles
    )
    data-synced
  )
)

;; Sync all changed db's
;;
(define (db:tmp->megatest.db-sync dbstruct run-id last-update)
  (let* ((subdbs (hash-table-values (dbr:dbstruct-subdbs dbstruct)))
	 (res    '()))
    (for-each
     (lambda (subdb)
       (let* ((dbname (db:run-id->dbname run-id))
	      (mtdb   (dbr:subdb-mtdb subdb))
	      (tmpdb  (db:get-subdb dbstruct run-id))
	      (refndb (dbr:subdb-refndb subdb))
	      (newres (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) last-update tmpdb refndb mtdb)))
	 ;; (stack-push! (dbr:subdb-dbstack subdb) tmpdb)

	 (dbfile:add-dbdat dbstruct run-id tmpdb)
	 (set! res (cons newres res))))
     subdbs)
    res))

;;;; run-ids
;;    if #f use *db-local-sync* : or 'local-sync-flags







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;; return the target db handle so it can be used
;;
(define (db:cache-for-read-only source target #!key (use-last-update #f))
  (if (and (hash-table-ref/default *global-db-store* target #f)
	   (>= (file-modification-time target)(file-modification-time source)))
      (hash-table-ref *global-db-store* target)
      (let* ((toppath   (launch:setup))
	     (targ-db-last-mod (db:get-sqlite3-mod-time target))
;;	      (if (common:file-exists? target)
;; BUG: This needs to include wal mode stuff .shm etc.
;;				   (file-modification-time target)
;;				   0))
	     (cache-db  (or (hash-table-ref/default *global-db-store* target #f)
			    (db:open-megatest-db path: target)))
	     (source-db (db:open-megatest-db path: source))
	     (curr-time (current-seconds))
	     (res      '())
	     (last-update (if use-last-update (cons "last_update" targ-db-last-mod) #f)))
	(db:sync-tables (db:sync-main-list source-db) last-update source-db cache-db)
	(db:sync-tables db:sync-tests-only last-update source-db cache-db)
	(hash-table-set! *global-db-store* target cache-db)
	cache-db)))

(define (db:get-sqlite3-mod-time fname)
  (let* ((wal-file (conc fname "-wal"))
	 (shm-file (conc fname "-shm"))
	 (get-mtime (lambda (f)
		      (if (and (file-exists? f)
			       (file-read-access? f))
			  (file-modification-time f)
			  0))))
    (max (get-mtime fname)
	 (get-mtime wal-file)
	 (get-mtime shm-file))))
	 
;; (define (db:all-db-sync dbstruct)

;;   (let* ((dbdat (db:open-db dbstruct #f db:initialize-main-db))
;; 	 (data-synced       0) ;; count of changed records
;;     (tmp-area       (common:get-db-tmp-area))
;;     (dbfiles        (glob (conc tmp-area"/.mtdb/*.db")))

;;     (sync-durations (make-hash-table))

;;     (no-sync-db        (db:open-no-sync-db)))
;;     (for-each
;;      (lambda (file) ;; tmp db file
;;        (debug:print-info 3 *default-log-port* "file: " file)
;;        (let* ((fname       (conc (pathname-file file) ".db")) ;; fname is tmp db file
;;               (wal-file (conc fname "-wal"))
;;               (shm-file (conc fname "-shm"))
;; 	      (fulln       (conc *toppath*"/,mtdb/"fname)) ;; fulln is nfs db name
;;               (wal-time     (if (file-exists? wal-file)             
;; 			       (file-modification-time wal-file)
;;                                0))
;;               (shm-time     (if (file-exists? shm-file)             
;; 			       (file-modification-time shm-file)
;;                                0))
;; 	      (time1        (db:get-sqlite3-mod-time file))
;; ;;	       (if (file-exists? file)              ;; time1 is the max itime of the tmp db, -wal and -shm files.
;; ;;			       (max (file-modification-time file) wal-time shm-time)
;; ;;			       (begin

;; ;;				 (debug:print-info 2 *default-log-port* "Sync - I do not see file "file)
;; ;;			   1)))
;; 	      (time2       (db:get-sqlite3-mod-time fulln))
;; ;;	      (if (file-exists? fulln)             ;; time2 is nfs file time
;; ;;			       (file-modification-time fulln)
;; ;;			       (begin
;; ;;				 (debug:print-info 2 *default-log-port* "Sync - I do not see file "fulln)
;; ;;				 0)))
;; 	      (changed      (> (- time1 time2) (+ (random 5) 1)))  ;; it has been at some few seconds since last synced
;; 	      (changed10    (> (- time1 time2) 10)) ;; it has been at least ten seconds since sync'd
;; 	      (jfile-exists (file-exists? (conc file"-journal"))) ;; i.e. are we busy?
;; 	      (do-cp        (cond
;; 			     ((not (file-exists? fulln)) ;; shouldn't happen, but this might recover
;; 			      (cons #t (conc "File "fulln" not found! Copying "fname" to "fulln)))
;; 			     ((and (not jfile-exists) changed)
;; 			      (cons #t "not busy, changed")) ;; not busy and changed
;; 			     ((and jfile-exists changed10)
;; 			      (cons #t "busy but not synced in a while")) ;; busy but not sync'd in over 10 seconds
;; 			     ((and changed *time-to-exit*)
;; 			      (cons #t "Time to exit, forced final sync")) ;; last sync
;; 			     (else
;; 			      (cons #f "No sync needed")))))
;; 	 (if (car do-cp)
;; 	     (let* ((start-time (current-milliseconds))
;; 		    (fname (pathname-file file))
;; 		    (runid (if (string= fname "main") #f (string->number fname))))
;; 	       (debug:print-info 3 *default-log-port* "db:all-db-sync: fname: "
;; 				 fname", delta: " (- time1 time2) " seconds, reason: "(cdr do-cp))
;; 	       (db:lock-and-delta-sync no-sync-db dbstruct fname runid (db:get-keys dbstruct) db:initialize-main-db)
;; 	       (hash-table-set! sync-durations (conc fname".db")
;; 				(- (current-milliseconds) start-time)))
;; 	     (debug:print-info 3 *default-log-port* "skipping sync. " file " is up to date")
;;          )))
;;      dbfiles)
;;     ;; WHY does the dbdat need to be added back?
;;     (if dbdat (dbfile:add-dbdat dbstruct #f dbdat))
;;     )
;;   #t)

(define (db:kill-servers)
  (let* ((servers (server:choose-server *toppath* 'all-valid))) ;; (server:get-list *toppath*))





    (for-each
     (lambda (server)



       (handle-exceptions

           exn




         (begin 
           (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " server ", exn=" exn)     














           #f)
	 (match-let (((mod-time host port start-time server-id pid) server))
		    (if (and host pid)









			(tasks:kill-server host pid)))))
     servers)
    (delete-file* (common:get-sync-lock-filepath))))



;; options:
;;
;;  'killservers  - kills all servers
;;  'dejunk       - removes junk records
;;  'adj-testids  - move test-ids into correct ranges
;;  'old2new      - sync megatest.db to /tmp/.../megatest.db and /tmp/.../megatest_ref.db
;;  'new2old      - sync /tmp/.../megatest.db to megatest.db and /tmp/.../megatest_ref.db (and update data_synced)
;;  'closeall     - close all opened dbs
;;  'schema       - attempt to apply schema changes
;;  run-ids: '(1 2 3 ...) or #f (for all)
;;
(define (db:multi-db-sync dbstruct . options)
  (let* (;; (dbdat       (db:open-db dbstruct #f dbfile:db-init-proc))
	 (data-synced 0) ;; count of changed records
	 (tmp-area       (common:get-db-tmp-area))
	 (old2new (member 'old2new options))
	 (dejunk (member 'dejunk options))
	 (killservers (member 'killservers options))

	 (src-area (if old2new *toppath* tmp-area))
	 (dest-area (if old2new tmp-area *toppath*))
	 (dbfiles        (if old2new (glob (conc *toppath* "/.mtdb/*.db")) (glob (conc tmp-area "/.mtdt/*.db"))))
	 (keys (db:get-keys dbstruct))
	 (sync-durations (make-hash-table)))

    ;; kill servers
    (if killservers (db:kill-servers))













    

    (if (not dbfiles)
	(debug:print-error 0 *default-log-port* "no dbfiles found in " (conc *toppath* "/.mtdb"))
	(for-each
	 (lambda (srcfile)
	   (debug:print-info 3 *default-log-port* "file: " srcfile)
	   (let* ((fname    (conc (pathname-file srcfile) ".db"))
		  (basename (pathname-file srcfile))
		  (run-id   (if (string= basename "main") #f (string->number basename)))
		  (destfile (conc dest-area "/.mtdb/" fname))
		  (dest-directory  (conc dest-area "/.mtdb/"))


		  (time1    (file-modification-time srcfile))
		  (time2    (if (file-exists? destfile)
				(begin
				  (debug:print-info 2 *default-log-port* "destfile " destfile " exists")
				  (file-modification-time destfile))

				(begin
				  (debug:print-info 0 *default-log-port* "Sync - I do not see file " destfile)
				  0)))
		  (changed   ( < (- time2 time1) 6.0)) ;; dest db not updated within last 6 seconds

		  (do-cp     (cond
			      ((not (file-exists? destfile)) ;; shouldn't happen, but this might recover
			       (debug:print-info 2 *default-log-port* "File " destfile " not found. Copying "srcfile" to "destfile)
			       ;; TODO: Need to fix this for WAL mod. Can't just copy.
			       (system (conc "/bin/mkdir -p " dest-directory))
			       (system (conc "/bin/cp " srcfile " " destfile))
			       #t)
			      (changed ;; (and changed

			       #t)
			      ((and changed *time-to-exit*) ;; last sync
			       #t)
			      (else
			       #f))))
             (if (or dejunk do-cp)

		 (let* ((start-time (current-milliseconds))
			;; subdb is misnamed - should be dbdat (I think...)
			(subdb    (dbfile:open-db dbstruct run-id dbfile:db-init-proc))
			;;        (or (dbfile:get-subdb dbstruct run-id)
			;;            (dbfile:init-subdb dbstruct run-id dbfile:db-init-proc)))
			(mtdb      (dbr:subdb-mtdbdat subdb))
			;;
			;; BUG: -mrw- I think this next line is wrong. run-id should be the path to .mtdb/<runid>.db
			;; 
			(tmpdb     (dbfile:open-db dbstruct run-id dbfile:db-init-proc)))
		   

		   (debug:print-info 2 *default-log-port* "delta syncing file: " srcfile ", time diff: " (- time1 time2) " seconds")

		   (if old2new
                       (begin
			 (if dejunk (db:clean-up run-id mtdb))
			 (db:sync-tables (db:sync-all-tables-list
					  dbstruct
					  (db:get-keys dbstruct))
					 #f mtdb tmpdb))
                       (begin
			 (if dejunk (db:clean-up run-id tmpdb))
			 (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) #f tmpdb mtdb)))


		   (hash-table-set! sync-durations (conc srcfile ".db") (- (current-milliseconds) start-time)))
		 (debug:print-info 2 *default-log-port* "skipping delta sync. " srcfile " is up to date"))))



	 dbfiles))

    data-synced))



;; Sync all changed db's
;;
(define (db:tmp->megatest.db-sync dbstruct run-id last-update)
  (let* ((subdbs (hash-table-values (dbr:dbstruct-subdbs dbstruct)))
	 (res    '()))
    (for-each
     (lambda (subdb)

       (let* ((mtdb   (dbr:subdb-mtdb subdb))
	      (tmpdb  (db:get-subdb dbstruct run-id))
	      (refndb (dbr:subdb-refndb subdb))
	      (newres (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) last-update tmpdb refndb mtdb)))
	 ;; (stack-push! (dbr:subdb-dbstack subdb) tmpdb)
	 ;; BUG: verify this is really needed
	 (dbfile:add-dbdat dbstruct run-id tmpdb)
	 (set! res (cons newres res))))
     subdbs)
    res))

;;;; run-ids
;;    if #f use *db-local-sync* : or 'local-sync-flags
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     (lambda ()
      ;; handle-exceptions
      ;; exn
      ;; (begin
      ;;   (debug:print 0 "ERROR: Failed to create tables. Look at your [fields] section, should be: fieldname TEXT DEFAULT 'yourdefault'")
      ;;   (exit))
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys (id INTEGER PRIMARY KEY, fieldname TEXT, fieldtype TEXT, CONSTRAINT keyconstraint UNIQUE (fieldname));")
	(for-each (lambda (key)










		    (sqlite3:execute db "INSERT OR REPLACE INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))
		  keys)
	(sqlite3:execute db (conc 
			     "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, \n			 " 
			     fieldstr (if havekeys "," "") "
			 runname    TEXT DEFAULT 'norun',
                         contour    TEXT DEFAULT '',
			 state      TEXT DEFAULT '',
			 status     TEXT DEFAULT '',







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     (lambda ()
      ;; handle-exceptions
      ;; exn
      ;; (begin
      ;;   (debug:print 0 "ERROR: Failed to create tables. Look at your [fields] section, should be: fieldname TEXT DEFAULT 'yourdefault'")
      ;;   (exit))
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys (id INTEGER PRIMARY KEY, fieldname TEXT, fieldtype TEXT, CONSTRAINT keyconstraint UNIQUE (fieldname));")
	(for-each
	 (lambda (key)
	   (let* ((fieldname #f)
		  (fieldtype #f))
	     (sqlite3:for-each-row
	      (lambda (fn ft)
		(set! fieldname fn)
		(set! fieldtype ft))
	      db
	      "SELECT fieldname,fieldtype FROM keys WHERE fieldname=?" key)
	     (if (not fieldname)
		 (sqlite3:execute db "INSERT INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))))
	 keys)
	(sqlite3:execute db (conc 
			     "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, \n			 " 
			     fieldstr (if havekeys "," "") "
			 runname    TEXT DEFAULT 'norun',
                         contour    TEXT DEFAULT '',
			 state      TEXT DEFAULT '',
			 status     TEXT DEFAULT '',
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	;; (sqlite3:execute db "CREATE VIEW runs_tests AS SELECT * FROM runs INNER JOIN tests ON runs.id=tests.run_id;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS extradat (id INTEGER PRIMARY KEY, run_id INTEGER, key TEXT, val TEXT);")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS metadat (id INTEGER PRIMARY KEY, var TEXT, val TEXT,
                                  CONSTRAINT metadat_constraint UNIQUE (var));")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS access_log (id INTEGER PRIMARY KEY, user TEXT, accessed TIMESTAMP, args TEXT);")
	;; Must do this *after* running patch db !! No more. 
	;; cannot use db:set-var since it will deadlock, hardwire the code here










	(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" (common:version-signature))
	(debug:print-info 11 *default-log-port* "db:initialize END") ;; ))))

	;;======================================================================
	;; R U N   S P E C I F I C   D B 
	;;======================================================================
	
	;; (define (db:initialize-run-id-db db)







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	;; (sqlite3:execute db "CREATE VIEW runs_tests AS SELECT * FROM runs INNER JOIN tests ON runs.id=tests.run_id;")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS extradat (id INTEGER PRIMARY KEY, run_id INTEGER, key TEXT, val TEXT);")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS metadat (id INTEGER PRIMARY KEY, var TEXT, val TEXT,
                                  CONSTRAINT metadat_constraint UNIQUE (var));")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS access_log (id INTEGER PRIMARY KEY, user TEXT, accessed TIMESTAMP, args TEXT);")
	;; Must do this *after* running patch db !! No more. 
	;; cannot use db:set-var since it will deadlock, hardwire the code here
	(let* ((prev-version #f)
	       (curr-version (common:version-signature)))
	  (sqlite3:for-each-row
	   (lambda (ver)
	     (set! prev-version ver))
	   db
	   "SELECT val FROM metadat WHERE var='MEGATEST_VERSION';")
	  (if prev-version
	      (if (not (equal? prev-version curr-version))
		  (sqlite3:execute db "UPDATE metadat SET val=? WHERE var=?;" curr-version "MEGATEST_VERSION"))
	      (sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" curr-version) ))
	(debug:print-info 11 *default-log-port* "db:initialize END") ;; ))))

	;;======================================================================
	;; R U N   S P E C I F I C   D B 
	;;======================================================================
	
	;; (define (db:initialize-run-id-db db)
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	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_rundat (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              update_time  TIMESTAMP,
                              cpuload      INTEGER DEFAULT -1,
                              diskfree     INTEGER DEFAULT -1,
                              diskusage    INTGER DEFAULT -1,
                              run_duration INTEGER DEFAULT 0);")

	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS archives (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT);")))

        (db:create-triggers db)    
     db)) ;; )

;;======================================================================
;; A R C H I V E S
;;======================================================================








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	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_rundat (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              update_time  TIMESTAMP,
                              cpuload      INTEGER DEFAULT -1,
                              diskfree     INTEGER DEFAULT -1,
                              diskusage    INTGER DEFAULT -1,
                              run_duration INTEGER DEFAULT 0,
 last_update INTEGER DEFAULT (strftime('%s','now')));")
	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS archives (
                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT,
 last_update INTEGER DEFAULT (strftime('%s','now')));")))
        (db:create-triggers db)    
     db)) ;; )

;;======================================================================
;; A R C H I V E S
;;======================================================================

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	 db 
	 (conc
	  "SELECT d.id,d.archive_area_name,disk_path,last_df,last_df_time FROM archive_disks AS d
             INNER JOIN archive_blocks AS b ON d.id=b.archive_disk_id
             WHERE b.id IN (" (string-intersperse (map conc res) ",") ") AND
         last_df > ?;")
	 dneeded))

    (dbfile:add-dbdat dbstruct #f dbdat)
    blocks))
    
;; returns id of the record, register a disk allocated to archiving and record it's last known
;; available space
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)







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	 db 
	 (conc
	  "SELECT d.id,d.archive_area_name,disk_path,last_df,last_df_time FROM archive_disks AS d
             INNER JOIN archive_blocks AS b ON d.id=b.archive_disk_id
             WHERE b.id IN (" (string-intersperse (map conc res) ",") ") AND
         last_df > ?;")
	 dneeded))
    ;; BUG: Verfify this is really needed
    (dbfile:add-dbdat dbstruct #f dbdat)
    blocks))
    
;; returns id of the record, register a disk allocated to archiving and record it's last known
;; available space
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)
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;; The "archived" field in tests is overloaded; 0 = not archived, > 0 archived in block with given id
;;
(define (db:test-set-archive-block-id dbstruct run-id test-id archive-block-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET archived=? WHERE id=?;"
		      archive-block-id test-id))))
 
;; Look up the archive block info given a block-id
;;
(define (db:test-get-archive-block-info dbstruct archive-block-id)







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;; The "archived" field in tests is overloaded; 0 = not archived, > 0 archived in block with given id
;;
(define (db:test-set-archive-block-id dbstruct run-id test-id archive-block-id)
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET archived=? WHERE id=?;"
		      archive-block-id test-id))))
 
;; Look up the archive block info given a block-id
;;
(define (db:test-get-archive-block-info dbstruct archive-block-id)
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;; D B   U T I L S
;;======================================================================

;;======================================================================
;; M A I N T E N A N C E
;;======================================================================

(define (db:have-incompletes? dbstruct run-id ovr-deadtime)
  (let* ((incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
	 (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
	 (deadtime     (if (and deadtime-str
				(string->number deadtime-str))
			   (string->number deadtime-str)
			   72000))) ;; twenty hours
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (if (number? ovr-deadtime)(set! deadtime ovr-deadtime))
       
       ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
       ;;
       ;; HOWEVER: this code in run:test seems to work fine
       ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
       ;;                     (db:test-get-run_duration testdat)))
       ;;                    600) 
       ;; (db:delay-if-busy dbdat)
       (sqlite3:for-each-row 
        (lambda (test-id run-dir uname testname item-path)
          (if (and (equal? uname "n/a")
                   (equal? item-path "")) ;; this is a toplevel test
              ;; what to do with toplevel? call rollup?
              (begin
                (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
                (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
              (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))))
        db
        "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?) AND state IN ('RUNNING','REMOTEHOSTSTART');"
        run-id deadtime)

       ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
       ;;
       ;; (db:delay-if-busy dbdat)
       (sqlite3:for-each-row
        (lambda (test-id run-dir uname testname item-path)
          (if (and (equal? uname "n/a")
                   (equal? item-path "")) ;; this is a toplevel test
              ;; what to do with toplevel? call rollup?
              (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
              (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched))))
        db
        "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400 AND state IN ('LAUNCHED');"
        run-id)
       
       (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, " (length toplevels) " old LAUNCHED toplevel tests and " (length incompleted) " tests marked RUNNING but apparently dead.")
       (if (and (null? incompleted)
                (null? oldlaunched)
                (null? toplevels))
           #f
           #t)))))

(define (db:get-status-from-final-status-file run-dir)

  (let ((infile (conc run-dir "/.final-status")))
    ;; first verify we are able to write the output file
    (if (not (file-read-access? infile))
        (begin 
	  (debug:print 2 *default-log-port* "ERROR: cannot read " infile)
          (debug:print 2 *default-log-port* "ERROR: run-dir is " run-dir)
          #f
          )
        (with-input-from-file infile read-lines)
	)))

;;  select end_time-now from

;;      (select testname,item_path,event_time+run_duration as
;;                          end_time,strftime('%s','now') as now from tests where state in
;;      ('RUNNING','REMOTEHOSTSTART','LAUNCHED'));

(define (db:find-and-mark-incomplete dbstruct run-id ovr-deadtime)
  (let* ((incompleted '())
	 (oldlaunched '())
	 (toplevels   '())
          ;; The default running-deadtime is 720 seconds = 12 minutes.
          ;; "(running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))" = 200 + (2 * (200 + 30 + 30))
         (deadtime-trim (or ovr-deadtime (configf:lookup-number *configdat* "setup" "deadtime")))
         (server-start-allowance 200)
         (server-overloaded-budget 200)
         (launch-monitor-off-time (or (configf:lookup-number *configdat* "setup" "test-stats-update-period") 30))
         (launch-monitor-on-time-budget 30)
         (launch-monitor-period (+ launch-monitor-off-time launch-monitor-on-time-budget server-overloaded-budget))
         (remotehoststart-deadtime-default (+ server-start-allowance server-overloaded-budget 30))
         (remotehoststart-deadtime (or deadtime-trim remotehoststart-deadtime-default))
         (running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))
         (running-deadtime (or deadtime-trim running-deadtime-default)) ;; two minutes (30 seconds between updates, this leaves 3x grace period)
         )
    (debug:print-info 4  *default-log-port* "running-deadtime = " running-deadtime)
    (debug:print-info 4  *default-log-port* "deadtime-trim = " deadtime-trim)

    (db:with-db 
     dbstruct run-id #f
     (lambda (dbdat db)
       (let* ((stmth1 (db:get-cache-stmth
		       dbdat run-id db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('RUNNING');"))
	      (stmth2 (db:get-cache-stmth
		       dbdat run-id db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('REMOTEHOSTSTART');"))
	      (stmth3 (db:get-cache-stmth
		       dbdat run-id db
		       "SELECT id,rundir,uname,testname,item_path FROM tests
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400
                                          AND state IN ('LAUNCHED');")))
	 ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes

	 ;;
	 ;; HOWEVER: this code in run:test seems to work fine
	 ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
	 ;;                     (db:test-get-run_duration testdat)))
	 ;;                    600) 
	 ;; (db:delay-if-busy dbdat)
	 (sqlite3:for-each-row 
	  (lambda (test-id run-dir uname testname item-path event-time run-duration)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(begin
		  (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		  (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))
		  (debug:print-info 0 *default-log-port* "Found old test in RUNNING state, test-id="
				    test-id" exceeded running-deadtime "running-deadtime" now="(current-seconds)
				    " event-time="event-time" run-duration="run-duration))))
	  stmth1
	  run-id running-deadtime) ;; default time 720 seconds
       
	 (sqlite3:for-each-row 
	  (lambda (test-id run-dir uname testname item-path event-time run-duration)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(begin
		  (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		  (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in REMOTEHOSTSTART state, test-id=" test-id
				    " exceeded running-deadtime "running-deadtime" now="(current-seconds)" event-time="event-time
				    " run-duration="run-duration)
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted)))))
	  stmth2
	  run-id remotehoststart-deadtime) ;; default time 230 seconds
	 
	 ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
	 ;;
	 ;; (db:delay-if-busy dbdat)
	 (sqlite3:for-each-row
	  (lambda (test-id run-dir uname testname item-path)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in LAUNCHED state, test-id=" test-id
				    " 1 day since event_time marked")
                (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched)))))
	  stmth3

	  run-id)
       
	 (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, "
			   (length toplevels) " old LAUNCHED toplevel tests and "
			   (length incompleted) " tests marked RUNNING but apparently dead."))

	 ;; These are defunct tests, do not do all the overhead of set-state-status. Force them to INCOMPLETE.
       ;;
	 ;; (db:delay-if-busy dbdat)
	 (let* ((min-incompleted-ids (map car incompleted)) ;; do 'em all
		(all-ids             (append min-incompleted-ids (map car oldlaunched))))
	   (if (> (length all-ids) 0)
	       (begin
		 ;; (launch:is-test-alive "localhost" 435)
		 (debug:print 0 *default-log-port* "WARNING: Marking test(s); " (string-intersperse (map conc all-ids) ", ")
			      " as DEAD")
		 (for-each
                  (lambda (test-id)
                    (let* (;; (run-dir (db:test-get-rundir-from-test-id dbstruct run-id test-id))
			   (tinfo   (db:get-test-info-by-id dbstruct run-id test-id))
			   (run-dir (db:test-get-rundir     tinfo))
			   (host    (db:test-get-host       tinfo))
			   (pid     (db:test-get-process_id tinfo))
			   (result (db:get-status-from-final-status-file run-dir)))
		      (if (and (list? result) (> (length result) 1) (equal? "PASS" (cadr result)) (equal? "COMPLETED" (car result))) 
			  (begin
			    (debug:print 0 *default-log-port* "INFO: test " test-id " actually passed, so marking PASS not DEAD")
			    (db:set-state-status-and-roll-up-items
			     dbstruct run-id test-id 'foo "COMPLETED" "PASS"
			     "Test stopped responding but it has PASSED; marking it PASS in the DB."))
			  (let ((is-alive (and (not (eq? pid 0))  ;; 0 is default in re-used field "attemptnum" where pid stored.
					       (launch:is-test-alive host pid))))
			    (if is-alive
				(debug:print 0 *default-log-port* "INFO: test " test-id " on host " host
					     " has a process on pid " pid ", NOT setting to DEAD.")
				(begin
				  (debug:print 0 *default-log-port* "INFO: test " test-id
					       " final state/status is not COMPLETED/PASS. It is " result)
				  (db:set-state-status-and-roll-up-items
				   dbstruct run-id test-id 'foo "COMPLETED" "DEAD"
				   "Test stopped responding while in RUNNING or REMOTEHOSTSTART; presumed dead.")))))))
		  ;; call end of eud of run detection for posthook - from merge, is it needed?
		  ;; (launch:end-of-run-check run-id)
		  all-ids)
		 ;;call end of eud of run detection for posthook
		 (launch:end-of-run-check run-id)
		 )))))))

;; BUG: Probably broken - does not explicitly use run-id in the query
;;
(define (db:top-test-set-per-pf-counts dbstruct run-id test-name)
  (db:general-call dbstruct run-id 'top-test-set-per-pf-counts (list test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name)))

;; Clean out old junk and vacuum the database







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;; D B   U T I L S
;;======================================================================

;;======================================================================
;; M A I N T E N A N C E
;;======================================================================

;; (define (db:have-incompletes? dbstruct run-id ovr-deadtime)
;;   (let* ((incompleted '())
;; 	 (oldlaunched '())
;; 	 (toplevels   '())
;; 	 (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
;; 	 (deadtime     (if (and deadtime-str
;; 				(string->number deadtime-str))
;; 			   (string->number deadtime-str)
;; 			   72000))) ;; twenty hours
;;     (db:with-db










































;;      dbstruct run-id #f
;;      (lambda (dbdat db)
;;        (if (number? ovr-deadtime)(set! deadtime ovr-deadtime))

;;        
;;        ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
;;        ;;
;;        ;; HOWEVER: this code in run:test seems to work fine
;;        ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
;;        ;;                     (db:test-get-run_duration testdat)))
;;        ;;                    600) 




;;        ;; (db:delay-if-busy dbdat)
;;        (sqlite3:for-each-row 
;;         (lambda (test-id run-dir uname testname item-path)
;;           (if (and (equal? uname "n/a")
;;                    (equal? item-path "")) ;; this is a toplevel test
;;               ;; what to do with toplevel? call rollup?
;;               (begin



;;                 (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))













;;                 (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))

;;               (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))))













;;         (db:get-cache-stmth dbdat db


;;         "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?) AND state IN ('RUNNING','REMOTEHOSTSTART');")


;;         run-id deadtime)
;; 





































;;        ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
;;        ;;
;;        ;; (db:delay-if-busy dbdat)
;;        (sqlite3:for-each-row
;;         (lambda (test-id run-dir uname testname item-path)
;;           (if (and (equal? uname "n/a")
;;                    (equal? item-path "")) ;; this is a toplevel test
;;               ;; what to do with toplevel? call rollup?
;;               (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))



;;               (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched))))
;;         (db:get-cache-stmth dbdat db
;;         "SELECT id,rundir,uname,testname,item_path FROM tests WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400 AND state IN ('LAUNCHED');")
;;         run-id)
;;        
;;        (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, " (length toplevels) " old LAUNCHED toplevel tests and " (length incompleted) " tests marked RUNNING but apparently dead.")

;;        (if (and (null? incompleted)
;;                 (null? oldlaunched)




;;                 (null? toplevels))










;;            #f
























;;            #t)))))

;; BUG: Probably broken - does not explicitly use run-id in the query
;;
(define (db:top-test-set-per-pf-counts dbstruct run-id test-name)
  (db:general-call dbstruct run-id 'top-test-set-per-pf-counts (list test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name)))

;; Clean out old junk and vacuum the database
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    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    ;; (db:find-and-mark-incomplete db)
    ;; (db:delay-if-busy dbdat)
    (sqlite3:execute db "VACUUM;")
    dead-runs))

;;======================================================================
;; M E T A   G E T   A N D   S E T   V A R S
;;======================================================================

;; returns number if string->number is successful, string otherwise
;; also updates *global-delta*
;;
(define (db:get-var dbstruct var)
  (let* ((res      #f))
    (db:with-db
     dbstruct #f #f  ;; for the moment vars are only stored in main.db
     (lambda (dbdat db)
       (sqlite3:for-each-row
        (lambda (val)
          (set! res val))
        db
        "SELECT val FROM metadat WHERE var=?;" var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val+1 WHERE var=?;" var))))

(define (db:dec-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val-1 WHERE var=?;" var))))

;; This was part of db:get-var. It was used to estimate the load on
;; the database files.
;;
;; scale by 10, average with current value.
;;     (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
;; 						 (if throttle throttle 0.01)))
;; 			    2))
;;     (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))))

(define (db:add-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val+? WHERE var=?;" val var))))

(define (db:del-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "DELETE FROM metadat WHERE var=?;" var))))

;;======================================================================
;; no-sync.db - small bits of data to be shared between servers
;;======================================================================

(define (db:no-sync-db db-in)
  (if db-in
      db-in
      (if *no-sync-db*
	  *no-sync-db*
	  (begin
	    (mutex-lock! *db-access-mutex*)
	    (let ((dbpath (common:get-db-tmp-area))
		  (db     (dbfile:open-no-sync-db dbpath)))
	      (set! *no-sync-db* db)
	      (mutex-unlock! *db-access-mutex*)
	      db)))))

(define (with-no-sync-db proc)
  (let* ((db  (db:no-sync-db *no-sync-db*)))
    (proc db)))

(define (db:open-no-sync-db)
  (dbfile:open-no-sync-db (db:dbfile-path)))

(define (db:no-sync-close-db db stmt-cache)
  (db:safely-close-sqlite3-db db stmt-cache))


;; use a global for some primitive caching, it is just silly to
;; re-read the db over and over again for the keys since they never
;; change

;; why get the keys from the db? why not get from the *configdat*
;; using keys:config-get-fields?

(define (db:get-keys dbstruct)
  (keys:config-get-fields *configdat*)
)

;;  (if *db-keys* *db-keys* 
;;      (let ((res '()))
;;	(db:with-db dbstruct #f #f
;;		    (lambda (dbdat db)
;;		      (sqlite3:for-each-row 
;;		       (lambda (key)
;;			 (set! res (cons key res)))
;;		       db
;;		       "SELECT fieldname FROM keys ORDER BY id DESC;")))
;;	(set! *db-keys* res)
;;	res)))

;; extract index number given a header/data structure
(define (db:get-index-by-header header field)
  (list-index (lambda (x)(equal? x field)) header))

;; look up values in a header/data structure
(define (db:get-value-by-header row header field)



  (if (or (null? header) (not row))
      #f
      (let loop ((hed (car header))
                 (tal (cdr header))
                 (n   0))
        (if (equal? hed field)
            (handle-exceptions
             exn
             (begin
               (debug:print 0 *default-log-port* "WARNING: attempt to read non-existant field, row="
			    row " header=" header " field=" field ", exn=" exn)
               #f)


             (vector-ref row n))
	    (if (null? tal) #f (loop (car tal)(cdr tal)(+ n 1)))))))

;; Accessors for the header/data structure
;; get rows and header from 
(define (db:get-header vec)(vector-ref vec 0))
(define (db:get-rows   vec)(vector-ref vec 1))

;;======================================================================
;;  R U N S
;;======================================================================





(define (db:get-run-times dbstruct run-patt target-patt)
(let ((res `())
           (qry 	(conc "select runname, (max(end_time)-min(event_time))/60 as runtime, target from (select runname, run_id,tests.event_time,tests.event_time+run_duration AS end_time, " (string-join (db:get-keys dbstruct) " || '/' || ") " as target from tests inner join runs on tests.run_id = runs.id where runs.runname like ? and target like ?) group by run_id ;")))
;(print qry)
(db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (dbdat db)
            (sqlite3:for-each-row
	(lambda (runname runtime target )
	  (set! res (cons (vector runname runtime target) res)))
	db
        qry 
	run-patt target-patt)
       
       res))))



(define (db:get-run-name-from-id dbstruct run-id)
  (db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (dbdat db)








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    (map sqlite3:finalize! statements)
    (sqlite3:finalize! count-stmt)
    ;; (db:find-and-mark-incomplete db)
    ;; (db:delay-if-busy dbdat)
    (sqlite3:execute db "VACUUM;")
    dead-runs))

;;======================================================================
;; no-sync.db - small bits of data to be shared between servers
;;======================================================================




(define (db:get-dbsync-path)














  (case (rmt:transport-mode)




    ((http)(common:get-db-tmp-area))




    ((tcp) (conc *toppath*"/.mtdb"))











    ((nfs) (conc *toppath*"/.mtdb"))




    (else "/tmp/dunno-this-gonna-exist")))









;; This is needed for api.scm





















(define (db:open-no-sync-db)
   (dbfile:open-no-sync-db (db:get-dbsync-path)))
 








;; why get the keys from the db? why not get from the *configdat*
;; using keys:config-get-fields?

(define (db:get-keys dbstruct)
  (keys:config-get-fields *configdat*))














;; extract index number given a header/data structure
(define (db:get-index-by-header header field)
  (list-index (lambda (x)(equal? x field)) header))

;; look up values in a header/data structure
(define (db:get-value-by-header row header field)
  (let ((len (if (vector? row)
		 (vector-length row)
		 0)))
    (if (or (null? header) (not row))
	#f
	(let loop ((hed (car header))
		   (tal (cdr header))
		   (n   0))
	  (if (equal? hed field)
	      (handle-exceptions
	       exn
	       (begin
		 (debug:print 4 *default-log-port* "WARNING: attempt to read non-existant field, row="
			      row " header=" header " field=" field ", exn=" exn)
		 #f)
	       (if (>= n len)
		   #f
		   (vector-ref row n)))
	      (if (null? tal) #f (loop (car tal)(cdr tal)(+ n 1))))))))

;; Accessors for the header/data structure
;; get rows and header from 
(define (db:get-header vec)(vector-ref vec 0))
(define (db:get-rows   vec)(vector-ref vec 1))

;;======================================================================
;;  R U N S
;;======================================================================





(define (db:get-run-times dbstruct run-patt target-patt)
(let ((res `())
      (qry 	(conc "select runname, (max(end_time)-min(event_time))/60 as runtime, target from (select runname, run_id,tests.event_time,tests.event_time+run_duration AS end_time, " (string-join (db:get-keys dbstruct) " || '/' || ") " as target from tests inner join runs on tests.run_id = runs.id where runs.runname like ? and target like ?) group by run_id ;")))
					;(print qry)
  (db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (dbdat db)
     (sqlite3:for-each-row
      (lambda (runname runtime target )
	(set! res (cons (vector runname runtime target) res)))
      db
      qry 
      run-patt target-patt)

     res))))



(define (db:get-run-name-from-id dbstruct run-id)
  (db:with-db 
   dbstruct
   #f ;; this is for the main runs db
   #f ;; does not modify db
   (lambda (dbdat db)
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	 (qryvals   (append (list runname) (map cadr keyvals)))
	 (key=?str  (string-intersperse (map (lambda (k)(conc k "=?")) keys) " AND ")))
    ;; (debug:print 0 *default-log-port* "Got here 0.")
    (debug:print 3 *default-log-port* "keys: " keys " allvals: " allvals " keyvals: " keyvals " key=?str is " key=?str)
    (debug:print 2 *default-log-port* "NOTE: using target " (string-intersperse (map cadr keyvals) "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(db:with-db
	 dbstruct #f #f
	 (lambda (dbdat db)
	   ;; (debug:print 0 *default-log-port* "Got here 1.")
	   (let ((res #f))
	     (apply sqlite3:execute db
		    (conc "INSERT OR IGNORE INTO runs (runname,state,status,owner,event_time,contour"
			  comma keystr ") VALUES (?,?,?,?,strftime('%s','now'),?" comma valslots ");")
		    allvals)
	     (apply sqlite3:for-each-row 
		    (lambda (id)
		      (set! res id))
		    db
		    (let ((qry (conc "SELECT id FROM runs WHERE (runname=? " andstr key=?str ");")))
		      qry)
		    qryvals)
	     (sqlite3:execute db "UPDATE runs SET state=?,status=?,event_time=strftime('%s','now') WHERE id=? AND state='deleted';" state status res)
	     res))) 
	(begin
	  (debug:print-error 0 *default-log-port* "Called without all necessary keys")
	  #f))))



















































































;; replace header and keystr with a call to runs:get-std-run-fields
;;
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;; runpatts: patt1,patt2 ...
;;
(define (db:get-runs dbstruct runpatt count offset keypatts)
  (let* ((res       '())







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	 (qryvals   (append (list runname) (map cadr keyvals)))
	 (key=?str  (string-intersperse (map (lambda (k)(conc k "=?")) keys) " AND ")))
    ;; (debug:print 0 *default-log-port* "Got here 0.")
    (debug:print 3 *default-log-port* "keys: " keys " allvals: " allvals " keyvals: " keyvals " key=?str is " key=?str)
    (debug:print 2 *default-log-port* "NOTE: using target " (string-intersperse (map cadr keyvals) "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(db:with-db
	 dbstruct #f #t
	 (lambda (dbdat db)
	   ;; (debug:print 0 *default-log-port* "Got here 1.")
	   (let ((res #f))
	     (apply sqlite3:execute db
		    (conc "INSERT OR IGNORE INTO runs (runname,state,status,owner,event_time,contour"
			  comma keystr ") VALUES (?,?,?,?,strftime('%s','now'),?" comma valslots ");")
		    allvals)
	     (apply sqlite3:for-each-row 
		    (lambda (id)
		      (set! res id))
		    db
		    (let ((qry (conc "SELECT id FROM runs WHERE (runname=? " andstr key=?str ");")))
		      qry)
		    qryvals)
	     (sqlite3:execute db "UPDATE runs SET state=?,status=?,event_time=strftime('%s','now') WHERE id=? AND state='deleted';" state status res)
	     res))) 
	(begin
	  (debug:print-error 0 *default-log-port* "Called without all necessary keys")
	  #f))))

(define (db:get-run-id dbstruct runname target)
  (let ((runs (db:simple-get-runs dbstruct runname #f #f target #f))) ;; runpatt count offset target last-update
    (if (null? runs)
	#f
	(simple-run-id (car runs)))))

;; called with run-id=#f so will operate on main.db
;;
(define (db:insert-run dbstruct target runname run-meta)
  (let* ((keys (db:get-keys dbstruct))
     	 (runs (db:simple-get-runs dbstruct runname #f #f target #f))) ;; runpatt count offset target last-update
    ;; need to insert run based on target and runname
    (let* ((targvals (string-split target "/"))
	   (keystr   (string-intersperse keys ","))
	   (key?str  (string-intersperse (make-list (length targvals) "?") ","))
	   (qrystr   (conc "INSERT INTO runs (runname,"keystr") VALUES (?,"key?str")"))
	   (get-var  (lambda (db qrystr)
		       (let* ((res #f))
			 (sqlite3:for-each-row
			  (lambda row
			    (set res (car row)))
			  db qrystr runname)
			 res))))
      (if (null? runs)
	  (db:create-initial-run-record dbstruct runname target))
      (let* ((run-id (db:get-run-id dbstruct runname target)))
	(db:with-db
	 dbstruct
	 #f #t
	 (lambda (dbdat db)
	   (for-each
	    (lambda (keyval)
	      (let* ((fieldname (car keyval))
		     (getqry    (conc "SELECT "fieldname" FROM runs WHERE id=?;"))
		     (setqry    (conc "UPDATE runs SET "fieldname"=? WHERE id=?;"))
		     (val       (cdr keyval))
		     (valnum    (if (number? val)
				    val
				    (if (string? val)
					(string->number val)
					#f))))
		(if (not (member fieldname (cons "runname" keys))) ;; don't attempt to tweak these
		    (let* ((curr-val (get-var db getqry))
			   (have-it  (or (equal? curr-val val)
					 (equal? curr-val valnum))))
		      (if (not have-it)
			  (sqlite3:execute db setqry (or valnum val) run-id))))))
	    run-meta)))
	run-id))))
  
(define (db:create-initial-run-record dbstruct runname target)	  
  (let* ((keys     (db:get-keys dbstruct))
     	 (targvals (string-split target "/"))
	 (keystr   (string-intersperse keys ","))
	 (key?str  (string-intersperse (make-list (length targvals) "?") ","))
	 (qrystr   (conc "INSERT INTO runs (runname,"keystr") VALUES (?,"key?str")")))
    (db:with-db
     dbstruct #f #t
     (lambda (dbdat db)
       (apply sqlite3:execute db qrystr runname targvals)))))

(define (db:insert-test dbstruct run-id test-rec)
  (let* ((testname  (alist-ref "testname" test-rec equal?))
	 (item-path (alist-ref "item_path" test-rec equal?))
	 (id        (db:get-test-id dbstruct run-id testname item-path))
	 (fieldvals (filter (lambda (x)(not (member (car x) '("id" "last_update")))) test-rec))
	 (setqry    (conc "UPDATE tests SET "(string-intersperse
					      (map (lambda (dat)
						     (conc (car dat)"=?"))
						   fieldvals)
					      ",")" WHERE id=?;"))
	 (insqry   (conc "INSERT INTO tests ("(string-intersperse (map (lambda (x) (car x)) fieldvals) ",")
			 ") VALUES ("(string-intersperse (make-list (length fieldvals) "?") ",")");")))
    (debug:print 0 *default-log-port* "id: "id"\nset: "setqry"\ninsqry: "insqry)
    (db:with-db
     dbstruct
     run-id #t
     (lambda (dbdat db)
       (if id
	   (apply sqlite3:execute db setqry (append (map cdr fieldvals) (list id)))
	   (apply sqlite3:execute db insqry (map cdr fieldvals)))))))

;; replace header and keystr with a call to runs:get-std-run-fields
;;
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;; runpatts: patt1,patt2 ...
;;
(define (db:get-runs dbstruct runpatt count offset keypatts)
  (let* ((res       '())
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		     (set! res (cons (apply vector a x) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (vector header res)))


(define-record simple-run target id runname state status owner event_time)
(define-record-printer (simple-run x out)
  (fprintf out "#,(simple-run ~S ~S ~S ~S)"
	   (simple-run-target x) (simple-run-id x) (simple-run-runname x) (time->string (seconds->local-time (simple-run-event_time x) ))))

;; simple get-runs


;;
(define (db:simple-get-runs dbstruct runpatt count offset target last-update)
    (let* ((res       '())
	   (keys       (db:get-keys dbstruct))
	   (runpattstr (db:patt->like "runname" runpatt))
	   (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	   (targstr    (string-intersperse keys "||'/'||"))







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		     (set! res (cons (apply vector a x) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " keypatts: " keypatts " offset: " offset " limit: " count)
    (vector header res)))







;; simple get-runs
;;
;;  records used defined in dbfile
;;
(define (db:simple-get-runs dbstruct runpatt count offset target last-update)
    (let* ((res       '())
	   (keys       (db:get-keys dbstruct))
	   (runpattstr (db:patt->like "runname" runpatt))
	   (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	   (targstr    (string-intersperse keys "||'/'||"))
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		     (set! res (cons (make-simple-run target id runname state status owner event_time) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " target: " target " offset: " offset " limit: " count)
    res))

;; TODO: Switch this to use max(update_time) from each run db? Then if using a server there is no disk traffic (using inmem db)
;;
;; NOTE: This DOESN'T (necessarily) get the real run ids, but the number of the <number>.db!!

(define (db:get-changed-run-ids since-time)
  (let* ((dbdir      (db:dbfile-path)) ;; (configf:lookup *configdat* "setup" "dbdir"))
	 (alldbs     (glob (conc dbdir "/.megatest/[0-9]*.db")))
	 (changed    (filter (lambda (dbfile)
			       (> (file-modification-time dbfile) since-time))
			     alldbs)))
    (delete-duplicates
     (map (lambda (dbfile)
	    (let* ((res (string-match ".*\\/(\\d\\d)\\.db" dbfile)))
	      (if res
		  (string->number (cadr res))
		  (begin
		    (debug:print 2 *default-log-port* "WARNING: Failed to process " dbfile " for run-id")
		    0))))
	  changed))))








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		     (set! res (cons (make-simple-run target id runname state status owner event_time) res)))
		   db
		   qrystr
		   )))
    (debug:print-info 11 *default-log-port* "db:get-runs END qrystr: " qrystr " target: " target " offset: " offset " limit: " count)
    res))

;; TODO: Switch this to use max(update_time) from each run db? Then if using a server there is no disk traffic (using cachedb db) ???
;;
;; NOTE: This DOESN'T (necessarily) get the real run ids, but the number of the <number>.db!!

(define (db:get-changed-run-ids since-time)
  (let* ((dbdir      (db:dbfile-path)) ;; (configf:lookup *configdat* "setup" "dbdir"))
	 (alldbs     (glob (conc *toppath* "/.mtdb/[0-9]*.db*")))
	 (changed    (filter (lambda (dbfile)
			       (> (file-modification-time dbfile) since-time))
			     alldbs)))
    (delete-duplicates
     (map (lambda (dbfile)
	    (let* ((res (string-match ".*\\/(\\d+)\\.db*" dbfile)))
	      (if res
		  (string->number (cadr res))
		  (begin
		    (debug:print 2 *default-log-port* "WARNING: Failed to process " dbfile " for run-id")
		    0))))
	  changed))))

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	"SELECT state,status,count(id) AS count FROM tests WHERE run_id=? AND NOT(uname='n/a' AND item_path='') GROUP BY state,status;"
	run-id))))

;; Update run_stats for given run_id
;; input data is a list (state status count)
;;
(define (db:update-run-stats dbstruct run-id stats)
  ;; (mutex-lock! *db-transaction-mutex*)
  (db:with-db
   dbstruct
   #f
   #f

   (lambda (dbdat db)
     ;; remove previous data
     
     (let* ((stmt1 (sqlite3:prepare db "DELETE FROM run_stats WHERE run_id=? AND state=? AND status=?;"))
	    (stmt2 (sqlite3:prepare db "INSERT INTO run_stats (run_id,state,status,count) VALUES (?,?,?,?);"))
	    (res
	     (sqlite3:with-transaction
	      db
	      (lambda ()
		(for-each
		 (lambda (dat)
		   (sqlite3:execute stmt1 run-id (car dat)(cadr dat))
		   (apply sqlite3:execute stmt2 run-id dat))
		 stats)))))
       (sqlite3:finalize! stmt1)
       (sqlite3:finalize! stmt2)
       ;; (mutex-unlock! *db-transaction-mutex*)
       res))))

(define (db:get-main-run-stats dbstruct run-id)
  (db:with-db
   dbstruct
   #f ;; this data comes from main
   #f







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	"SELECT state,status,count(id) AS count FROM tests WHERE run_id=? AND NOT(uname='n/a' AND item_path='') GROUP BY state,status;"
	run-id))))

;; Update run_stats for given run_id
;; input data is a list (state status count)
;;
(define (db:update-run-stats dbstruct run-id stats)
  (mutex-lock! *db-transaction-mutex*)
  (db:with-db
   dbstruct
   #f
   #t

   (lambda (dbdat db)
     ;; remove previous data
     
     (let* ((stmt1 (sqlite3:prepare db "DELETE FROM run_stats WHERE run_id=? AND state=? AND status=?;"))
	    (stmt2 (sqlite3:prepare db "INSERT INTO run_stats (run_id,state,status,count) VALUES (?,?,?,?);"))
	    (res
	     (sqlite3:with-transaction
	      db
	      (lambda ()
		(for-each
		 (lambda (dat)
		   (sqlite3:execute stmt1 run-id (car dat)(cadr dat))
		   (apply sqlite3:execute stmt2 run-id dat))
		 stats)))))
       (sqlite3:finalize! stmt1)
       (sqlite3:finalize! stmt2)
       (mutex-unlock! *db-transaction-mutex*)
       res))))

(define (db:get-main-run-stats dbstruct run-id)
  (db:with-db
   dbstruct
   #f ;; this data comes from main
   #f
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			(if offset (conc " OFFSET " offset) "")
			";"))
    (debug:print-info 4 *default-log-port* "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)
    ;(print "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)

    (vector header 
            (reverse

             (db:with-db dbstruct #f #f ;; reads db, does not write to it.
                         (lambda (dbdat db)
                           (sqlite3:fold-row
                            (lambda (res . r)
                              (cons (list->vector r) res))
                            '()
                            db
                            qry-str
                            runnamepatt)))))))

;; use (get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; NOTE: Does NOT return a list of rows (or one row) for the first slot of the vector
;;       this is inconsistent with get-runs but it makes some sense.
;;
(define (db:get-run-info dbstruct run-id)
  ;;(if (hash-table-ref/default *run-info-cache* run-id #f)







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			(if offset (conc " OFFSET " offset) "")
			";"))
    (debug:print-info 4 *default-log-port* "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)
    ;(print "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)

    (vector header 
            (reverse
             (db:with-db
	      dbstruct #f #f ;; reads db, does not write to it.
              (lambda (dbdat db)
                (sqlite3:fold-row
                 (lambda (res . r)
                   (cons (list->vector r) res))
                 '()
                 db
                 qry-str
                 runnamepatt)))))))

;; use (get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;; NOTE: Does NOT return a list of rows (or one row) for the first slot of the vector
;;       this is inconsistent with get-runs but it makes some sense.
;;
(define (db:get-run-info dbstruct run-id)
  ;;(if (hash-table-ref/default *run-info-cache* run-id #f)
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   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE runs SET comment=? WHERE id=?;" comment ;; (sdb:qry 'getid comment)
		      run-id))))

;; does not (obviously!) removed dependent data. But why not!!?
(define (db:delete-run dbstruct run-id)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
     (sqlite3:with-transaction
      db
      (lambda ()
        (sqlite3:execute db "DELETE FROM test_steps WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);" run-id)
        (sqlite3:execute db "DELETE FROM test_data WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);"  run-id)
        (sqlite3:execute db "UPDATE tests SET state='DELETED',comment='' WHERE run_id=?;" run-id)







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   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE runs SET comment=? WHERE id=?;" comment ;; (sdb:qry 'getid comment)
		      run-id))))

;; does not (obviously!) removed dependent data. But why not!!?
(define (db:delete-run dbstruct run-id)
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)
     (sqlite3:with-transaction
      db
      (lambda ()
        (sqlite3:execute db "DELETE FROM test_steps WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);" run-id)
        (sqlite3:execute db "DELETE FROM test_data WHERE test_id IN (SELECT id FROM tests WHERE run_id=?);"  run-id)
        (sqlite3:execute db "UPDATE tests SET state='DELETED',comment='' WHERE run_id=?;" run-id)
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       (sqlite3:execute db "UPDATE runs SET state=? WHERE id=?;" newlockval run-id)
       (sqlite3:execute db "INSERT INTO access_log (user,accessed,args) VALUES(?,strftime('%s','now'),?);"
			user (conc newlockval " " run-id))
       (debug:print-info 1 *default-log-port* "" newlockval " run number " run-id)))))

(define (db:set-run-status dbstruct run-id status msg)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
       (if msg
         (sqlite3:execute db "UPDATE runs SET status=?,comment=? WHERE id=?;" status msg run-id)
         (sqlite3:execute db "UPDATE runs SET status=? WHERE id=?;" status run-id)))))






(define (db:set-run-state-status dbstruct run-id state status )
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
          (sqlite3:execute db "UPDATE runs SET status=?,state=? WHERE id=?;" status state run-id))))



(define (db:get-run-status dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))

	db
	"SELECT status FROM runs WHERE id=?;" 
	run-id)
       res))))

(define (db:get-run-state dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))

	db
	"SELECT state FROM runs WHERE id=?;" 














	run-id)
       res))))


;;======================================================================
;; K E Y S
;;======================================================================







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       (sqlite3:execute db "UPDATE runs SET state=? WHERE id=?;" newlockval run-id)
       (sqlite3:execute db "INSERT INTO access_log (user,accessed,args) VALUES(?,strftime('%s','now'),?);"
			user (conc newlockval " " run-id))
       (debug:print-info 1 *default-log-port* "" newlockval " run number " run-id)))))

(define (db:set-run-status dbstruct run-id status msg)
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)
       (if msg
         (sqlite3:execute db "UPDATE runs SET status=?,comment=? WHERE id=?;" status msg run-id)
         (sqlite3:execute db "UPDATE runs SET status=? WHERE id=?;" status run-id)))))

(define (db:set-run-state-status-db dbdat db run-id state status )
  (sqlite3:execute
   (db:get-cache-stmth
    dbdat db "UPDATE runs SET status=?,state=? WHERE id=?;") status state run-id))

(define (db:set-run-state-status dbstruct run-id state status )
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)

     (db:set-run-state-status-db dbdat db run-id state status))))
     

(define (db:get-run-status dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT status FROM runs WHERE id=?;" )
	run-id)
       res))))

(define (db:get-run-state dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT state FROM runs WHERE id=?;" )
	run-id)
       res))))

(define (db:get-run-state-status dbstruct run-id)
  (let ((res (cons "n/a" "n/a")))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (state status)
	  (set! res (cons state status)))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT state,status FROM runs WHERE id=?;" )
	run-id)
       res))))


;;======================================================================
;; K E Y S
;;======================================================================
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    (db:with-db dbstruct run-id #f
		(lambda (dbdat db)
		  (sqlite3:for-each-row
		   (lambda (run-id testname item-path state status)
		     ;; id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
		     (set! res (vector test-id run-id testname state status -1 "" -1 -1 "" "-" item-path -1 "-" "-")))
		   db 
		   "SELECT run_id,testname,item_path,state,status FROM tests WHERE id=?;" 
		   test-id)))
    res))

;; get a useful subset of the tests data (used in dashboard
;; use db:mintest-get-{id ,run_id,testname ...}
;;
(define (db:get-tests-for-run-mindata dbstruct run-id testpatt states statuses not-in)
  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f "id,run_id,testname,state,status,event_time,item_path" 0 #f))







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    (db:with-db dbstruct run-id #f
		(lambda (dbdat db)
		  (sqlite3:for-each-row
		   (lambda (run-id testname item-path state status)
		     ;; id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
		     (set! res (vector test-id run-id testname state status -1 "" -1 -1 "" "-" item-path -1 "-" "-")))
		   db 
		   "SELECT run_id,testname,item_path,state,status FROM tests WHERE id=? and run_id=?;" 
		   test-id run-id)))
    res))

;; get a useful subset of the tests data (used in dashboard
;; use db:mintest-get-{id ,run_id,testname ...}
;;
(define (db:get-tests-for-run-mindata dbstruct run-id testpatt states statuses not-in)
  (db:get-tests-for-run dbstruct run-id testpatt states statuses #f #f not-in #f #f "id,run_id,testname,state,status,event_time,item_path" 0 #f))
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;; Convert calling routines to get list of run-ids and loop, do not use the get-tests-for-runs
;;

(define (db:delete-test-records dbstruct run-id test-id)
  (db:general-call dbstruct run-id 'delete-test-step-records (list test-id))
  (db:general-call dbstruct run-id 'delete-test-data-records (list test-id))
  (db:with-db
   dbstruct run-id #f
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a',comment='' WHERE id=?;" test-id))))

;; 
(define (db:delete-old-deleted-test-records dbstruct)
  (let ((targtime (- (current-seconds)
		     (or (configf:lookup-number *configdat* "setup" "keep-deleted-records")







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;; Convert calling routines to get list of run-ids and loop, do not use the get-tests-for-runs
;;

(define (db:delete-test-records dbstruct run-id test-id)
  (db:general-call dbstruct run-id 'delete-test-step-records (list test-id))
  (db:general-call dbstruct run-id 'delete-test-data-records (list test-id))
  (db:with-db
   dbstruct run-id #t
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a',comment='' WHERE id=?;" test-id))))

;; 
(define (db:delete-old-deleted-test-records dbstruct)
  (let ((targtime (- (current-seconds)
		     (or (configf:lookup-number *configdat* "setup" "keep-deleted-records")
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;; ;; NB// Ultimately this will be deprecated in deference to mt:test-set-state-status-by-id
;;
;;      NOTE: run-id is not used
;; ;;
(define (db:test-set-state-status dbstruct run-id test-id newstate newstatus newcomment)
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (dbdat db)



     (cond
      ((and newstate newstatus newcomment)
       (sqlite3:execute db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;" newstate newstatus newcomment ;; (sdb:qry 'getid newcomment)
			test-id))
      ((and newstate newstatus)
       (sqlite3:execute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
      (else
       (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
       (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
       (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				       test-id))))))
  (mt:process-triggers dbstruct run-id test-id newstate newstatus))


;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id) ;; fastmode)
  (let* ((qry ;; (if fastmode
		;;   "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '') LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');")) ;; )
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let* ((stmth (db:get-cache-stmth dbdat run-id db qry)))
       (sqlite3:first-result stmth))))))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-actually-running dbstruct run-id)
  (db:with-db
   dbstruct
   run-id







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;; ;; NB// Ultimately this will be deprecated in deference to mt:test-set-state-status-by-id
;;
;;      NOTE: run-id is not used
;; ;;
(define (db:test-set-state-status dbstruct run-id test-id newstate newstatus newcomment)
  (db:with-db
   dbstruct
   run-id #t

   (lambda (dbdat db)
     (db:test-set-state-status-db db run-id test-id newstate newstatus newcomment))))

(define (db:test-set-state-status-db db run-id test-id newstate newstatus newcomment)
  (cond
   ((and newstate newstatus newcomment)
    (sqlite3:execute db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;" newstate newstatus newcomment ;; (sdb:qry 'getid newcomment)
		     test-id))
   ((and newstate newstatus)
    (sqlite3:execute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
   (else
    (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
    (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
    (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				    test-id))))
  ;; (mt:process-triggers dbstruct run-id test-id newstate newstatus)) ;; NOTE: Moved into calling function
  )

;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id) ;; fastmode)


  (let* ((qry "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');"))
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat db qry)))
	 (sqlite3:first-result stmth))))))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-actually-running dbstruct run-id)
  (db:with-db
   dbstruct
   run-id
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		 ;;  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;")) ;; )
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat run-id db qry)))
	 (sqlite3:first-result stmth run-id))))))

;; For a given testname how many items are running? Used to determine
;; probability for regenerating html
;;
(define (db:get-count-tests-running-for-testname dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let* ((stmt "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;")
	    (stmth (db:get-cache-stmth dbdat run-id db stmt)))
       (sqlite3:first-result
	stmth run-id testname)))))

(define (db:get-not-completed-cnt dbstruct run-id)
(db:with-db
   dbstruct
   run-id







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		 ;;  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;")) ;; )
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat db qry)))
	 (sqlite3:first-result stmth run-id))))))

;; For a given testname how many items are running? Used to determine
;; probability for regenerating html
;;
(define (db:get-count-tests-running-for-testname dbstruct run-id testname)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let* ((stmt "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=? AND NOT (uname = 'n/a' AND item_path = '') AND testname=?;")
	    (stmth (db:get-cache-stmth dbdat db stmt)))
       (sqlite3:first-result
	stmth run-id testname)))))

(define (db:get-not-completed-cnt dbstruct run-id)
(db:with-db
   dbstruct
   run-id
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;; overload the unused attemptnum field for the process id of the runscript or 
;; ezsteps step script in progress
;;
(define (db:test-set-top-process-pid dbstruct run-id test-id pid)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET attemptnum=? WHERE id=?;"
		      pid test-id))))

(define (db:test-get-top-process-pid dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (db:first-result-default 
      db
      "SELECT attemptnum FROM tests WHERE id=?;"
      #f
      test-id))))

(define db:test-record-fields '("id"           "run_id"        "testname"  "state"      "status"      "event_time"
				"host"         "cpuload"       "diskfree"  "uname"      "rundir"      "item_path"
                                "run_duration" "final_logf"    "comment"   "shortdir"   "attemptnum"  "archived" "last_update"))

;; fields *must* be a non-empty list
;;







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;; overload the unused attemptnum field for the process id of the runscript or 
;; ezsteps step script in progress
;;
(define (db:test-set-top-process-pid dbstruct run-id test-id pid)
  (db:with-db
   dbstruct
   run-id
   #t
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET attemptnum=? WHERE id=?;"
		      pid test-id))))

(define (db:test-get-top-process-pid dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (db:first-result-default 
      db
      "SELECT attemptnum FROM tests WHERE id=? AND run_id=?;"
      #f
      test-id run-id))))

(define db:test-record-fields '("id"           "run_id"        "testname"  "state"      "status"      "event_time"
				"host"         "cpuload"       "diskfree"  "uname"      "rundir"      "item_path"
                                "run_duration" "final_logf"    "comment"   "shortdir"   "attemptnum"  "archived" "last_update"))

;; fields *must* be a non-empty list
;;
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		#f
		(loop (car tal)(cdr tal)(+ indx 1)))))))

(define db:test-record-qry-selector (string-intersperse db:test-record-fields ","))

(define (db:update-tesdata-on-repilcate-db dbstruct old-lt new-lt)
  (db:with-db
   dbstruct   #f   #f
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET rundir= replace(rundir,?,?), shortdir=replace(shortdir,?,?);"
		      old-lt new-lt  old-lt new-lt))))

;; NOTE: Use db:test-get* to access records
;; NOTE: This needs rundir decoding? Decide, decode here or where used? For the moment decode where used.
(define (db:get-all-tests-info-by-run-id dbstruct run-id)







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		#f
		(loop (car tal)(cdr tal)(+ indx 1)))))))

(define db:test-record-qry-selector (string-intersperse db:test-record-fields ","))

(define (db:update-tesdata-on-repilcate-db dbstruct old-lt new-lt)
  (db:with-db
   dbstruct   #f   #t
   (lambda (dbdat db)
     (sqlite3:execute db "UPDATE tests SET rundir= replace(rundir,?,?), shortdir=replace(shortdir,?,?);"
		      old-lt new-lt  old-lt new-lt))))

;; NOTE: Use db:test-get* to access records
;; NOTE: This needs rundir decoding? Decide, decode here or where used? For the moment decode where used.
(define (db:get-all-tests-info-by-run-id dbstruct run-id)
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  (let* ((run-ids (db:get-all-run-ids mtdb)))
    (for-each 
     (lambda (run-id)
       (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
	 (db:prep-megatest.db-adj-test-ids (dbr:dbdat-dbh mtdb) run-id testrecs)))
     run-ids)))

;; Get test data using test_id, run-id is not used
;; 
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res #f))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)
	  ;;                0    1       2      3      4        5       6      7        8     9     10      11          12          13           14         15          16
	  (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)))
	db


	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=?;")
	test-id)


















       res))))

;; Use db:test-get* to access
;; Get test data using test_ids. NB// Only works within a single run!!
;;
(define (db:get-test-info-by-ids dbstruct run-id test-ids)
  (db:with-db







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  (let* ((run-ids (db:get-all-run-ids mtdb)))
    (for-each 
     (lambda (run-id)
       (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
	 (db:prep-megatest.db-adj-test-ids (dbr:dbdat-dbh mtdb) run-id testrecs)))
     run-ids)))

;; Get test data using test_id
;; 
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res #f))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)
	  ;;                0    1       2      3      4        5       6      7        8     9     10      11          12          13           14         15          16
	  (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)))
	db
	;; (db:get-cache-stmth dbdat db
	;; 		    (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=? AND run_id=?;"))
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=? AND run_id=?;")
	test-id run-id)
       res))))

;; Get test state, status using test_id
;; 
(define (db:get-test-state-status-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res   (cons #f #f)))
;;	   (stmth (db:get-cache-stmth dbdat db "SELECT state,status FROM tests WHERE id=?;")))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (state status)
	  (cons state status))
	db
	"SELECT state,status FROM tests WHERE id=? AND run_id=?;" ;; stmth try not compiling this one - yes, this fixed the bind issue
	test-id run-id)
       res))))

;; Use db:test-get* to access
;; Get test data using test_ids. NB// Only works within a single run!!
;;
(define (db:get-test-info-by-ids dbstruct run-id test-ids)
  (db:with-db
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	  ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
	  (set! res (cons (apply vector a b) res)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id in ("
	      (string-intersperse (map conc test-ids) ",") ");"))
       res))))
















(define (db:get-test-info dbstruct run-id test-name item-path)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)



     (let ((res #f))
       (sqlite3:for-each-row
	(lambda (a . b)
	  (set! res (apply vector a b)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE testname=? AND item_path=? AND run_id=?;")
	test-name item-path run-id)
       res))))

(define (db:test-get-rundir-from-test-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (db:first-result-default
      db
      "SELECT rundir FROM tests WHERE id=?;"
      #f ;; default result
      test-id))))

(define (db:get-test-times dbstruct run-name target)
  (let ((res `())
        (qry 	(conc "select testname, item_path, run_duration, "
		      (string-join (db:get-keys dbstruct) " || '/' || ")
		      " as target from tests inner join runs on tests.run_id = runs.id where runs.runname = ? and target = ?  ;")))
  (db:with-db 







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	  ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
	  (set! res (cons (apply vector a b) res)))
	db
	(conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id in ("
	      (string-intersperse (map conc test-ids) ",") ");"))
       res))))

;; try every second until tries times proc
;;
(define (db:keep-trying-until-true proc params tries)
  (let* ((res (apply proc params)))
    (if res
	res
	(if (> tries 0)
	    (begin
	      (thread-sleep! 1)
	      (db:keep-trying-until-true proc params (- tries 1)))
	    (begin
	      ;; (debug:print-info 0 *default-log-port* "proc never returned true, params="params)
	      (print"db:keep-trying-until-true proc never returned true, proc = " proc " params =" params " tries = " tries)
	      #f)))))
  
(define (db:get-test-info dbstruct run-id test-name item-path)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (db:get-test-info-db db run-id test-name item-path))))

(define (db:get-test-info-db db run-id test-name item-path)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (a . b)
       (set! res (apply vector a b)))
     db
     (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE testname=? AND item_path=? AND run_id=?;")
     test-name item-path run-id)
    res))

(define (db:test-get-rundir-from-test-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (db:first-result-default
      db
      "SELECT rundir FROM tests WHERE id=? AND run_id=?;"
      #f ;; default result
      test-id run-id))))

(define (db:get-test-times dbstruct run-name target)
  (let ((res `())
        (qry 	(conc "select testname, item_path, run_duration, "
		      (string-join (db:get-keys dbstruct) " || '/' || ")
		      " as target from tests inner join runs on tests.run_id = runs.id where runs.runname = ? and target = ?  ;")))
  (db:with-db 
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(define (db:get-data-info-by-id dbstruct run-id test-data-id)
  (let* ((stmt        "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;")) ;; event_time DESC,id ASC;
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat #f db stmt))
	      (res   (sqlite3:fold-row
		      (lambda (res id test-id  category variable value expected tol units comment status type last-update)
			(vector id test-id  category variable value expected tol units comment status type last-update))
		      (vector #f #f #f #f #f #f #f #f #f #f #f #f)
		      stmth
		      test-data-id)))
        res)))))

;; WARNING: Do NOT call this for the parent test on an iterated test
;; Roll up test_data pass/fail results
;; look at the test_data status field, 
;;    if all are pass (any case) and the test status is PASS or NULL or '' then set test status to PASS.
;;    if one or more are fail (any case) then set test status to PASS, non "pass" or "fail" are ignored
(define (db:test-data-rollup dbstruct run-id test-id status)
  (let* ((fail-count 0)
	 (pass-count 0))
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (sqlite3:for-each-row
	(lambda (fcount pcount)
	  (set! fail-count fcount)
	  (set! pass-count pcount))
	db 
	"SELECT (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'fail') AS fail_count,







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(define (db:get-data-info-by-id dbstruct run-id test-data-id)
  (let* ((stmt        "SELECT id,test_id, category, variable, value, expected, tol, units, comment, status, type, last_update FROM test_data WHERE id=? ORDER BY id ASC;")) ;; event_time DESC,id ASC;
    (db:with-db
     dbstruct
     run-id
     #f
     (lambda (dbdat db)
       (let* ((stmth (db:get-cache-stmth dbdat db stmt))
	      (res   (sqlite3:fold-row
		      (lambda (res id test-id  category variable value expected tol units comment status type last-update)
			(vector id test-id  category variable value expected tol units comment status type last-update))
		      (vector #f #f #f #f #f #f #f #f #f #f #f #f)
		      stmth
		      test-data-id)))
        res)))))

;; WARNING: Do NOT call this for the parent test on an iterated test
;; Roll up test_data pass/fail results
;; look at the test_data status field, 
;;    if all are pass (any case) and the test status is PASS or NULL or '' then set test status to PASS.
;;    if one or more are fail (any case) then set test status to PASS, non "pass" or "fail" are ignored
(define (db:test-data-rollup dbstruct run-id test-id status)
  (let* ((fail-count 0)
	 (pass-count 0))
    (db:with-db
     dbstruct run-id #t
     (lambda (dbdat db)
       (sqlite3:for-each-row
	(lambda (fcount pcount)
	  (set! fail-count fcount)
	  (set! pass-count pcount))
	db 
	"SELECT (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'fail') AS fail_count,
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;; foo,bra,   1.2, pass, silly stuff
;; faz,bar,    10,  8mA,     ,     ,"this is a comment"
;; EOF

(define (db:csv->test-data dbstruct run-id test-id csvdata)
  (debug:print 4 *default-log-port* "test-id " test-id ", csvdata: " csvdata)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
     (let* ((csvlist (csv->list (make-csv-reader
				 (open-input-string csvdata)
				 '((strip-leading-whitespace? #t)
				   (strip-trailing-whitespace? #t)))))) ;; (csv->list csvdata)))
       (for-each
	(lambda (csvrow)







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;; foo,bra,   1.2, pass, silly stuff
;; faz,bar,    10,  8mA,     ,     ,"this is a comment"
;; EOF

(define (db:csv->test-data dbstruct run-id test-id csvdata)
  (debug:print 4 *default-log-port* "test-id " test-id ", csvdata: " csvdata)
  (db:with-db
   dbstruct #f #t
   (lambda (dbdat db)
     (let* ((csvlist (csv->list (make-csv-reader
				 (open-input-string csvdata)
				 '((strip-leading-whitespace? #t)
				   (strip-trailing-whitespace? #t)))))) ;; (csv->list csvdata)))
       (for-each
	(lambda (csvrow)
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;; if test-name is an integer work off that as test-id instead of test-name test-path
;;
(define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
  ;; establish info on incoming test followed by info on top level test
  ;; BBnote - for mode itemwait, linkage between upstream test & matching item status is propagated to run queue in db:prereqs-not-met
  (let* ((testdat      (if (number? test-name)
			   (db:get-test-info-by-id dbstruct run-id test-name) ;; test-name is actually a test-id


			   (db:get-test-info       dbstruct run-id test-name item-path)))

	 (test-id      (db:test-get-id testdat))
	 (test-name    (if (number? test-name)
			   (db:test-get-testname testdat)
			   test-name))
	 (item-path    (db:test-get-item-path testdat))
         (tl-testdat   (db:get-test-info dbstruct run-id test-name ""))
         (tl-test-id   (if tl-testdat
			   (db:test-get-id tl-testdat)
			   #f)))


    (if (member state '("LAUNCHED" "REMOTEHOSTSTART")) 
	(db:general-call dbstruct run-id 'set-test-start-time (list test-id)))
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                 ;; NB// Pass the db so it is part fo the transaction
                 (db:test-set-state-status db run-id test-id state status comment) ;; this call sets the item state/status
                 (if (not (equal? item-path "")) ;; only roll up IF incoming test is an item
                     (let* ((state-status-counts  (db:get-all-state-status-counts-for-test db run-id test-name item-path state status)) ;; item-path is used to exclude current state/status of THIS test
			    (state-statuses        (db:roll-up-rules state-status-counts state status))
                          (newstate (car state-statuses))
                          (newstatus (cadr state-statuses)))


                       (debug:print 4 *default-log-port* "BB> tl-test-id="tl-test-id" ; "test-name":"item-path" newstate="newstate" newstatus="newstatus" len(sscs)="(length state-status-counts)  " state-status-counts: "
							(apply conc
                  (map (lambda (x)
                     (conc
                     		(with-output-to-string (lambda () (pp (dbr:counts->alist x)))) " | "))
                              state-status-counts))); end debug:print
   
                       (if tl-test-id
			   (db:test-set-state-status db run-id tl-test-id newstate newstatus #f)) ;; we are still in the transaction - must access the db and not the dbstruct
		       ))))))
         (mutex-unlock! *db-transaction-mutex*)
         (if (and test-id state status (equal? status "AUTO")) 
             (db:test-data-rollup dbstruct run-id test-id status))


         tr-res)))))

(define (db:roll-up-rules state-status-counts state status)


  (let* ((running     (length (filter (lambda (x)
					(member (dbr:counts-state x) *common:running-states*))
				      state-status-counts)))
	 (bad-not-started      (length (filter (lambda (x)
						 (and (equal? (dbr:counts-state x) "NOT_STARTED") 
						      (not (member (dbr:counts-status x)  *common:not-started-ok-statuses*))))
					       state-status-counts)))
	 (all-curr-states      (common:special-sort  ;; worst -> best (sort of)
				(delete-duplicates
				 (if (and state (not (member state *common:dont-roll-up-states*)))
				     (cons state (map dbr:counts-state state-status-counts))
				     (map dbr:counts-state state-status-counts)))
				*common:std-states* >))
	 (all-curr-statuses    (common:special-sort  ;; worst -> best
				(delete-duplicates
				 (if (and state status (not (member state *common:dont-roll-up-states*)))
				     (cons status (map dbr:counts-status state-status-counts))
				     (map dbr:counts-status state-status-counts)))
				*common:std-statuses* >))
	 (non-completes        (filter (lambda (x)
					 (not (member x (cons "COMPLETED" *common:dont-roll-up-states*))))
				       all-curr-states))
	 (preq-fails        (filter (lambda (x)
				      (equal? x "PREQ_FAIL"))
				    all-curr-statuses))
	 (num-non-completes (length non-completes))
	 (newstate          (cond
			     ((> running 0)           "RUNNING")            ;; anything running, call the situation running
			     ((> (length preq-fails) 0) "NOT_STARTED")
			     ((> bad-not-started 0)   "COMPLETED")          ;; we have an ugly situation, it is completed in the sense we cannot do more.
			     ((> num-non-completes 0) (car non-completes))  ;;  (remove (lambda (x)(equal? "COMPLETED" x)) all-curr-states))) ;; only rollup DELETED if all DELETED
			     (else                    (car all-curr-states))))
	 (newstatus         (cond
			     ((> (length preq-fails) 0)  "PREQ_FAIL")
			     ((or (> bad-not-started 0)
				  (and (equal? newstate "NOT_STARTED")
				       (> num-non-completes 0)))
			      "STARTED")
			     (else (car all-curr-statuses)))))
    (debug:print-info 2 *default-log-port*
		      "\n--> probe db:set-state-status-and-roll-up-items: "
		      "\n--> state-status-counts: "(map dbr:counts->alist state-status-counts)
		      "\n--> running:             "running
		      "\n--> bad-not-started:     "bad-not-started
		      "\n--> non-non-completes:   "num-non-completes
		      "\n--> non-completes:       "non-completes
		      "\n--> all-curr-states:     "all-curr-states
		      "\n--> all-curr-statuses:     "all-curr-statuses
		      "\n--> newstate              "newstate
		      "\n--> newstatus            "newstatus
		      "\n\n")
    
    ;; NB// Pass the db so it is part of the transaction
    (list newstate newstatus)))

(define (db:set-state-status-and-roll-up-run dbstruct run-id curr-state curr-status)
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                   (let* ((state-status-counts (db:get-all-state-status-counts-for-run db run-id))
			  (state-statuses      (db:roll-up-rules state-status-counts #f #f ))
                          (newstate            (car state-statuses))
                          (newstatus           (cadr state-statuses))) 
		     (if (or (not (eq? newstate curr-state)) (not (eq?  newstatus curr-status)))
			 (db:set-run-state-status db run-id newstate newstatus )))))))
         (mutex-unlock! *db-transaction-mutex*)
         tr-res))))

(define (db:get-all-state-status-counts-for-run dbstruct run-id)
 (let* ((test-count-recs (db:with-db
                          dbstruct #f #f
                          (lambda (dbdat db)
                            (sqlite3:map-row
                             (lambda (state status count)
                               (make-dbr:counts state: state status: status count: count))

                             db
                             "SELECT state,status,count(id) FROM tests WHERE run_id=?  GROUP BY state,status;"
                             run-id )))))
   test-count-recs))







;; BBnote: db:get-all-state-status-counts-for-test returns dbr:counts object aggregating state and status of items of a given test, *not including rollup state/status*
;;
;; NOTE: This is called within a transaction
;;
(define (db:get-all-state-status-counts-for-test dbstruct run-id test-name item-path item-state-in item-status-in)
  (let* ((test-info   (db:get-test-info dbstruct run-id test-name item-path))
         (item-state  (or item-state-in (db:test-get-state test-info))) 
         (item-status (or item-status-in (db:test-get-status test-info)))
         (other-items-count-recs (db:with-db
                                  dbstruct run-id #f
                                  (lambda (dbdat db)
                                    (sqlite3:map-row
                                     (lambda (state status count)
                                       (make-dbr:counts state: state status: status count: count))
                                     db
                                     ;; ignore current item because we have changed its value in the current transation so this select will see the old value.
                                     "SELECT state,status,count(id) FROM tests WHERE run_id=? AND testname=? AND item_path != '' AND item_path !=? GROUP BY state,status;"
                                     run-id test-name item-path))))

         ;; add current item to tally outside of sql query
         (match-countrec-lambda (lambda (countrec) 
                                  (and (equal? (dbr:counts-state  countrec) item-state)
                                       (equal? (dbr:counts-status countrec) item-status))))

         (already-have-count-rec-list
          (filter match-countrec-lambda other-items-count-recs)) ;; will have either 0 or 1 count recs depending if another item shares this item's state/status
         
         (updated-count-rec    (if (null? already-have-count-rec-list)
                                   (make-dbr:counts state: item-state status: item-status count: 1)
                                   (let* ((our-count-rec (car already-have-count-rec-list))
                                          (new-count (add1 (dbr:counts-count our-count-rec))))
                                     (make-dbr:counts state: item-state status: item-status count: new-count))))

         (nonmatch-countrec-lambda (lambda (countrec) (not (match-countrec-lambda countrec))))
         
         (unrelated-rec-list   
          (filter nonmatch-countrec-lambda other-items-count-recs)))
    
    (cons updated-count-rec unrelated-rec-list)))

;; (define (db:get-all-item-states db run-id test-name)
;;   (sqlite3:map-row 
;;    (lambda (a) a)
;;    db
;;    "SELECT DISTINCT state FROM tests WHERE item_path != '' AND state != 'DELETED' AND run_id=? AND testname=?"







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;; if test-name is an integer work off that as test-id instead of test-name test-path
;;
(define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
  ;; establish info on incoming test followed by info on top level test
  ;; BBnote - for mode itemwait, linkage between upstream test & matching item status is propagated to run queue in db:prereqs-not-met
  (let* ((testdat      (if (number? test-name)
			   (db:get-test-info-by-id dbstruct run-id test-name) ;; test-name is actually a test-id
			   (db:keep-trying-until-true ;; in our threaded stuff this call could happen before the test is registered (maybe?)
			    db:get-test-info
			    (list dbstruct run-id test-name item-path)
			    10)))
	 (test-id      (db:test-get-id testdat))
	 (test-name    (if (number? test-name)
			   (db:test-get-testname testdat)
			   test-name))
	 (item-path    (db:test-get-item-path testdat))
         (tl-testdat   (db:get-test-info dbstruct run-id test-name ""))
         (tl-test-id   (if tl-testdat
			   (db:test-get-id tl-testdat)
			   #f))
	 (new-state-eh #f)
	 (new-status-eh #f))
    (if (member state '("LAUNCHED" "REMOTEHOSTSTART")) 
	(db:general-call dbstruct run-id 'set-test-start-time (list test-id)))
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct run-id #t
     (lambda (dbdat db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                 ;; NB// Pass the db so it is part fo the transaction
                 (db:test-set-state-status-db db run-id test-id state status comment) ;; this call sets the item state/status
                 (if (not (equal? item-path "")) ;; only roll up IF incoming test is an item
                     (let* ((state-status-counts (db:get-all-state-status-counts-for-test db run-id test-name item-path state status)) ;; item-path is used to exclude current state/status of THIS test
			    (state-statuses      (db:roll-up-rules state-status-counts state status))
                            (newstate            (car state-statuses))
                            (newstatus           (cadr state-statuses)))
		       (set! new-state-eh newstate)
		       (set! new-status-eh newstatus)
                       (debug:print 4 *default-log-port* "BB> tl-test-id="tl-test-id" ; "test-name":"item-path" newstate="newstate" newstatus="newstatus" len(sscs)="(length state-status-counts)  " state-status-counts: "
				    (apply conc
					   (map (lambda (x)
						  (conc
                     				   (with-output-to-string (lambda () (pp (dbr:counts->alist x)))) " | "))
						state-status-counts))); end debug:print

		       (if tl-test-id
			   (db:test-set-state-status-db db run-id tl-test-id newstate newstatus #f)) ;; we are still in the transaction - must access the db and not the dbstruct
		       ))))))
         (mutex-unlock! *db-transaction-mutex*)
         (if (and test-id state status (equal? status "AUTO")) 
             (db:test-data-rollup dbstruct run-id test-id status))
	 (if new-state-eh ;; moved from db:test-set-state-status
	      (mt:process-triggers dbstruct run-id test-id new-state-eh new-status-eh))
         tr-res)))))

(define (db:roll-up-rules state-status-counts state status)
  (if (null? state-status-counts)
      '(#f #f)
      (let* ((running     (length (filter (lambda (x)
					    (member (dbr:counts-state x) *common:running-states*))
					  state-status-counts)))
	     (bad-not-started      (length (filter (lambda (x)
						     (and (equal? (dbr:counts-state x) "NOT_STARTED") 
							  (not (member (dbr:counts-status x)  *common:not-started-ok-statuses*))))
						   state-status-counts)))
	     (all-curr-states      (common:special-sort  ;; worst -> best (sort of)
				    (delete-duplicates
				     (if (and state (not (member state *common:dont-roll-up-states*)))
					 (cons state (map dbr:counts-state state-status-counts))
					 (map dbr:counts-state state-status-counts)))
				    *common:std-states* >))
	     (all-curr-statuses    (common:special-sort  ;; worst -> best
				    (delete-duplicates
				     (if (and state status (not (member state *common:dont-roll-up-states*)))
					 (cons status (map dbr:counts-status state-status-counts))
					 (map dbr:counts-status state-status-counts)))
				    *common:std-statuses* >))
	     (non-completes        (filter (lambda (x)
					     (not (member x (cons "COMPLETED" *common:dont-roll-up-states*))))
					   all-curr-states))
	     (preq-fails        (filter (lambda (x)
					  (equal? x "PREQ_FAIL"))
					all-curr-statuses))
	     (num-non-completes (length non-completes))
	     (newstate          (cond
				 ((> running 0)           "RUNNING")            ;; anything running, call the situation running
				 ((> (length preq-fails) 0) "NOT_STARTED")
				 ((> bad-not-started 0)   "COMPLETED")          ;; we have an ugly situation, it is completed in the sense we cannot do more.
				 ((> num-non-completes 0) (car non-completes))  ;;  (remove (lambda (x)(equal? "COMPLETED" x)) all-curr-states))) ;; only rollup DELETED if all DELETED
				 (else                    (car all-curr-states))))
	     (newstatus         (cond
				 ((> (length preq-fails) 0)  "PREQ_FAIL")
				 ((or (> bad-not-started 0)
				      (and (equal? newstate "NOT_STARTED")
					   (> num-non-completes 0)))
				  "STARTED")
				 (else (car all-curr-statuses)))))
	(debug:print-info 2 *default-log-port*
			  "\n--> probe db:set-state-status-and-roll-up-items: "
			  "\n--> state-status-counts: "(map dbr:counts->alist state-status-counts)
			  "\n--> running:             "running
			  "\n--> bad-not-started:     "bad-not-started
			  "\n--> non-non-completes:   "num-non-completes
			  "\n--> non-completes:       "non-completes
			  "\n--> all-curr-states:     "all-curr-states
			  "\n--> all-curr-statuses:     "all-curr-statuses
			  "\n--> newstate              "newstate
			  "\n--> newstatus            "newstatus
			  "\n\n")
	
	;; NB// Pass the db so it is part of the transaction
	(list newstate newstatus))))

(define (db:set-state-status-and-roll-up-run dbstruct run-id curr-state curr-status)
    (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct run-id #t
     (lambda (dbdat db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                   (let* ((state-status-counts (db:get-all-state-status-counts-for-run-db dbdat db run-id))
			  (state-statuses      (db:roll-up-rules state-status-counts #f #f ))
                          (newstate            (car state-statuses))
                          (newstatus           (cadr state-statuses))) 
		     (if (or (not (eq? newstate curr-state)) (not (eq?  newstatus curr-status)))
			 (db:set-run-state-status-db dbdat db run-id newstate newstatus )))))))
         (mutex-unlock! *db-transaction-mutex*)
         tr-res))))

(define (db:get-all-state-status-counts-for-run-db dbdat db run-id)



  (sqlite3:map-row
   (lambda (state status count)
     (make-dbr:counts state: state status: status count: count))
   (db:get-cache-stmth
    dbdat db
    "SELECT state,status,count(id) FROM tests WHERE run_id=?  GROUP BY state,status;")
   run-id ))


(define (db:get-all-state-status-counts-for-run dbstruct run-id)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
     (db:get-all-state-status-counts-for-run-db dbdat db run-id))))

;; BBnote: db:get-all-state-status-counts-for-test returns dbr:counts object aggregating state and status of items of a given test, *not including rollup state/status*
;;
;; NOTE: This is called within a transaction
;;
(define (db:get-all-state-status-counts-for-test db run-id test-name item-path item-state-in item-status-in)
  (let* ((test-info   (db:get-test-info-db db run-id test-name item-path))
         (item-state  (or item-state-in (db:test-get-state test-info))) 
         (item-status (or item-status-in (db:test-get-status test-info)))
         (other-items-count-recs (sqlite3:map-row



                                  (lambda (state status count)
                                    (make-dbr:counts state: state status: status count: count))
                                  db
                                  ;; ignore current item because we have changed its value in the current transation so this select will see the old value.
                                  "SELECT state,status,count(id) FROM tests WHERE run_id=? AND testname=? AND item_path != '' AND item_path !=? GROUP BY state,status;"
                                  run-id test-name item-path))

         ;; add current item to tally outside of sql query
	 (match-countrec-lambda (lambda (countrec) 
				  (and (equal? (dbr:counts-state  countrec) item-state)
                                       (equal? (dbr:counts-status countrec) item-status))))
	 
         (already-have-count-rec-list
          (filter match-countrec-lambda other-items-count-recs)) ;; will have either 0 or 1 count recs depending if another item shares this item's state/status
         
         (updated-count-rec    (if (null? already-have-count-rec-list)
                                   (make-dbr:counts state: item-state status: item-status count: 1)
                                   (let* ((our-count-rec (car already-have-count-rec-list))
                                          (new-count (add1 (dbr:counts-count our-count-rec))))
                                     (make-dbr:counts state: item-state status: item-status count: new-count))))

         (nonmatch-countrec-lambda (lambda (countrec) (not (match-countrec-lambda countrec))))
         
         (unrelated-rec-list   
          (filter nonmatch-countrec-lambda other-items-count-recs)))

    (cons updated-count-rec unrelated-rec-list)))

;; (define (db:get-all-item-states db run-id test-name)
;;   (sqlite3:map-row 
;;    (lambda (a) a)
;;    db
;;    "SELECT DISTINCT state FROM tests WHERE item_path != '' AND state != 'DELETED' AND run_id=? AND testname=?"
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   ((not (equal? megatest-version calling-version))
    (list #t (conc "Login warning due to mismatch megatest version: " calling-version ", " megatest-version)))
   
    (else
    (hash-table-set! *logged-in-clients* client-signature (current-seconds))
    '(#t "successful login"))))



(define (db:general-call dbstruct run-id stmtname params)
  ;; Why is db:lookup-query above not used here to get the query?
  (let ((query (let ((q (alist-ref (if (string? stmtname)
				       (string->symbol stmtname)
				       stmtname)
				   db:queries)))
 		 (if q (car q) #f))))
    (db:with-db
     dbstruct run-id #f
     (lambda (dbdat db)
       (apply sqlite3:execute db query params)
       #t))))

;; get a summary of state and status counts to calculate a rollup
;;
(define (db:get-state-status-summary dbstruct run-id testname)







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   ((not (equal? megatest-version calling-version))
    (list #t (conc "Login warning due to mismatch megatest version: " calling-version ", " megatest-version)))
   
    (else
    (hash-table-set! *logged-in-clients* client-signature (current-seconds))
    '(#t "successful login"))))

;; NO WAY TO KNOW IF IT MODIFIES THE DB BUT NEARLY ALL ARE UPDATES/INSERTS
;;
(define (db:general-call dbstruct run-id stmtname params)
  ;; Why is db:lookup-query above not used here to get the query?
  (let ((query (let ((q (alist-ref (if (string? stmtname)
				       (string->symbol stmtname)
				       stmtname)
				   db:queries)))
 		 (if q (car q) #f))))
    (db:with-db
     dbstruct run-id #t
     (lambda (dbdat db)
       (apply sqlite3:execute db query params)
       #t))))

;; get a summary of state and status counts to calculate a rollup
;;
(define (db:get-state-status-summary dbstruct run-id testname)
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	db
	"SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta WHERE testname=?;"
	testname)
       res))))

;; create a new record for a given testname
(define (db:testmeta-add-record dbstruct testname)
  (db:with-db dbstruct #f #f 
	      (lambda (dbdat db)
		(sqlite3:execute 
		 db
		 "INSERT OR IGNORE INTO test_meta (testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags) VALUES (?,'','','','','','','','');" testname))))

;; update one of the testmeta fields
(define (db:testmeta-update-field dbstruct testname field value)
  (db:with-db dbstruct #f #f 
	      (lambda (dbdat db)
		(sqlite3:execute 
		 db
		 (conc "UPDATE test_meta SET " field "=? WHERE testname=?;") value testname))))

(define (db:testmeta-get-all dbstruct)
  (db:with-db dbstruct #f #f 







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	db
	"SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta WHERE testname=?;"
	testname)
       res))))

;; create a new record for a given testname
(define (db:testmeta-add-record dbstruct testname)
  (db:with-db dbstruct #f #t
	      (lambda (dbdat db)
		(sqlite3:execute 
		 db
		 "INSERT OR IGNORE INTO test_meta (testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags) VALUES (?,'','','','','','','','');" testname))))

;; update one of the testmeta fields
(define (db:testmeta-update-field dbstruct testname field value)
  (db:with-db dbstruct #f #t
	      (lambda (dbdat db)
		(sqlite3:execute 
		 db
		 (conc "UPDATE test_meta SET " field "=? WHERE testname=?;") value testname))))

(define (db:testmeta-get-all dbstruct)
  (db:with-db dbstruct #f #f 
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                (set! result (append (if (null? waiton-tests)(list waitontest-name) waiton-tests) result))))))
	  waitons)
	 (delete-duplicates result)))))

;;======================================================================
;; To sync individual run
;;======================================================================
(define (db:get-run-record-ids dbstruct target run keynames test-patt)
   (let* ((backcons (lambda (lst item)(cons item lst)))
         (all_tests '())
         (all_test_steps '())
         (all_test_data '())
         (keystr (string-intersperse 
	                  (map (lambda (key val)
			    (conc key " like '" val "'"))
			     keynames 
			     (string-split target "/"))
		              " AND ")
         )
         (run-qry (conc "SELECT id FROM runs  WHERE " keystr  " and runname='" run"'"))
         (test-qry (conc "SELECT id FROM tests WHERE run_id in (" run-qry ") and testname like '" test-patt "'"))
         (run_ids 
           (db:with-db dbstruct #f #f 
             (lambda (dbdat db)
               (sqlite3:fold-row backcons '() db run-qry))
           )
         )
        )
        (for-each
          (lambda (run_id)
            (set! all_tests 
             (append 
               (map (lambda (x) (cons x run_id))                
                (db:with-db dbstruct run_id #f 
                  (lambda (dbdat db)
                    (sqlite3:fold-row backcons '() db (conc "SELECT id FROM tests WHERE run_id in (" run_id ") and testname like '" test-patt "'"))
                  )
                )
               ) all_tests
              )
            )
            (set! all_test_steps 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db (conc "SELECT id FROM test_steps  WHERE test_id in (" test-qry ")"))
                    )
                  )
                ) all_test_steps
              )
            )
            (set! all_test_data 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db (conc "SELECT id FROM test_data  WHERE test_id in (" test-qry ")"))
                    )
                  )
                ) all_test_data
              )
            )
          )
          run_ids
        )
      `((runs       . ,run_ids)
        (tests      . ,all_tests)
        (test_steps . ,all_test_steps)
        (test_data  . ,all_test_data)
       )
     
   )
)

;;======================================================================
;; Just for sync, procedures to make sync easy
;;======================================================================

;; get an alist of run ids and test/run, test_step/run pairs changed since time since-time
;;   '((runs . (1 2 3 ...))(tests . ((5 . 1) (6 . 3) (6 . 2) (7 . 1)  ...












;;
(define (db:get-changed-record-ids dbstruct since-time)
  ;; no transaction, allow the db to be accessed between the big queries
  (let* ((backcons (lambda (lst item)(cons item lst)))
         (all_tests '())
         (all_test_steps '())
         (all_test_data '())
         (changed_run_dbs (db:get-changed-run-ids since-time)) ;; gets the rundb numbers
         (all_run_ids 
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM runs"))
          )
         )
         (changed_run_ids (filter (lambda (run) (member (modulo run 100) changed_run_dbs)) all_run_ids))
         (run_ids 
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM runs  WHERE last_update>=?" since-time))
          )
         )
         (run_stat_ids
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM run_stats  WHERE last_update>=?" since-time))
          )
         )
        )
        (for-each
          (lambda (run_id)
           (set! all_tests 
             (append 
               (map (lambda (x) (cons x run_id))                
                (db:with-db dbstruct run_id #f 
                  (lambda (dbdat db)
                    (sqlite3:fold-row backcons '() db "SELECT id FROM tests  WHERE run_id=? and last_update>=?" run_id since-time)
                  )
                )
               ) all_tests
              )
            )
            (set! all_test_steps 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db "SELECT id FROM test_steps WHERE last_update>=?" since-time)
                    )
                  )
                ) all_test_steps
              )
            )
            (set! all_test_data 
              (append 
                (map (lambda (x) (cons x run_id))
                  (db:with-db dbstruct run_id #f 
                    (lambda (dbdat db)
                      (sqlite3:fold-row backcons '() db "SELECT id FROM test_data  WHERE last_update>=?" since-time)
                    )
                  )
                ) all_test_data
              )
            )
          )
          changed_run_ids
        )
        (debug:print 2 *default-log-port*  "run_ids = " run_ids)
        (debug:print 2 *default-log-port*  "all_tests = " all_tests)

      `((runs       . ,run_ids)
        (tests      . ,all_tests)
        (test_steps . ,all_test_steps)
        (test_data  . ,all_test_data)
        (run_stats  . ,run_stat_ids)
       )
  )
)





























;;======================================================================
;; Extract ods file from the db
;;======================================================================

;; NOT REWRITTEN YET!!!!!

;; runspatt is a comma delimited list of run patterns







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                (set! result (append (if (null? waiton-tests)(list waitontest-name) waiton-tests) result))))))
	  waitons)
	 (delete-duplicates result)))))

;;======================================================================
;; To sync individual run
;;======================================================================
(define (db:get-run-record-ids dbstruct target run keynames)
   (let* ((backcons (lambda (lst item)(cons item lst)))
         (all_tests '())


         (keystr (string-intersperse 
	                  (map (lambda (key val)
			    (conc key " like '" val "'"))
			     keynames 
			     (string-split target "/"))
		              " AND ")
         )
         (run-qry (conc "SELECT id FROM runs  WHERE " keystr  " and runname='" run"'"))
        ; (test-qry (conc "SELECT id FROM tests WHERE run_id in (" run-qry ") and testname like '" test-patt "'"))
         (run_ids 
           (db:with-db dbstruct #f #f 
             (lambda (dbdat db)
               (sqlite3:fold-row backcons '() db run-qry))
           )
         )
       )




































      run_ids)








)

;;======================================================================
;; Just for sync, procedures to make sync easy
;;======================================================================

;; get an alist of run ids and test/run, test_step/run pairs changed since time since-time
;;   '((runs . (1 2 3 ...))(tests . ((5 . 1) (6 . 3) (6 . 2) (7 . 1)  ...

;; Retrieves record IDs from the database based on the timestamp of their last update.

;; The function takes two arguments: dbstruct, which represents the database structure, and since-time, which is a timestamp indicating the time of the last update.
;; The function first defines a few helper functions, including backcons, which takes a list and an item and adds the item to the front of the list. 
;; It then initializes several variables to empty lists: all_tests, all_test_steps, all_test_data, all_run_ids, and all_test_ids.
;; The function then retrieves a list of IDs for runs that have been changed since since-time using the db:get-changed-run-ids function. 
;; It then filters the full list of run IDs to only include those that match the changed run IDs based on their modulo (num-run-dbs).
;; For each changed run ID, the function retrieves a list of test IDs, test step IDs, and test data IDs that have been updated since since-time. 
;; It appends these IDs to the appropriate lists (all_tests, all_test_steps, and all_test_data) using the append and map functions.
;; The function then retrieves a list of run stat IDs that have been updated since since-time.
;; Finally, the function returns a list of associations between record types and their corresponding IDs: runs, tests, test_steps, test_data, and run_stats.                                
;;
(define (db:get-changed-record-ids dbstruct since-time)
  ;; no transaction, allow the db to be accessed between the big queries
  (let* ((backcons (lambda (lst item)(cons item lst)))
         (all_tests '())


         (changed_run_dbs (db:get-changed-run-ids since-time)) ;; gets the rundb numbers
         (all_run_ids 
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM runs"))
          )
         )
         (changed_run_ids (filter (lambda (run) (member (modulo run (num-run-dbs)) changed_run_dbs)) all_run_ids))
         (run_ids 
          (db:with-db dbstruct #f #f 
            (lambda (dbdat db)
              (sqlite3:fold-row backcons '() db "SELECT id FROM runs  WHERE last_update>=?" since-time))
          )
         )






        )
        (for-each
          (lambda (run_id)
           (set! all_tests 
             (append 
               (map (lambda (x) (cons x run_id))                
                (db:with-db dbstruct run_id #f 
                  (lambda (dbdat db)
                    (sqlite3:fold-row backcons '() db "SELECT id FROM tests  WHERE run_id=? and last_update>=?" run_id since-time)
                  )
                )
               ) all_tests
              )
            )






















          )
          changed_run_ids
        )
        (debug:print 2 *default-log-port*  "run_ids = " run_ids)
        (debug:print 2 *default-log-port*  "all_tests = " all_tests)

      `((runs       . ,run_ids)
        (tests      . ,all_tests)



       )
  )
)



(define (db:get-changed-record-test-ids dbstruct since-time run-id)
   (let* ((backcons   (lambda (lst item)(cons item lst)))
          (all-tests  (db:with-db dbstruct run-id #f 
                        (lambda (dbdat db)
                          (sqlite3:fold-row backcons '() db "SELECT id FROM tests  WHERE run_id=? and last_update>=?" run-id since-time)))))
               
            all-tests))

(define (db:get-changed-record-run-ids dbstruct since-time)
  ;; no transaction, allow the db to be accessed between the big queries
  (let* ((backcons        (lambda (lst item)(cons item lst)))
         (run_ids         (db:with-db dbstruct #f #f 
                            (lambda (dbdat db)
                              (sqlite3:fold-row backcons '() db "SELECT id FROM runs  WHERE last_update>=?" since-time)))))
        (debug:print 2 *default-log-port*  "run_ids = " run_ids)
        run_ids)
)

(define (db:get-all-runids dbstruct) 
  (let* ((backcons        (lambda (lst item)(cons item lst)))
         (all_run_ids     (db:with-db dbstruct #f #f 
                            (lambda (dbdat db)
                              (sqlite3:fold-row backcons '() db "SELECT id FROM runs")))))

all_run_ids))

;;======================================================================
;; Extract ods file from the db
;;======================================================================

;; NOT REWRITTEN YET!!!!!

;; runspatt is a comma delimited list of run patterns
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	  #f
        ))))

;; sync for filesystem local db writes
;;
(define (db:run-lock-and-sync no-sync-db)
  (let* ((tmp-area       (common:get-db-tmp-area))
	 (dbfiles        (glob (conc tmp-area"/.megatest/*.db")))
	 (sync-durations (make-hash-table)))
    ;; (debug:print-info 0 *default-log-port* "lock-and-sync, dbfiles: "dbfiles)
    (for-each
     (lambda (file)
       (let* ((fname (conc (pathname-file file) ".db"))
	      (fulln (conc *toppath*"/.megatest/"fname))
	      (time1 (if (file-exists? file)
			 (file-modification-time file)
			 (begin
			   (debug:print-info 0 *default-log-port* "Sync - I do not see file "file)
			   1)))
	      (time2 (if (file-exists? fulln)
			 (file-modification-time fulln)







|





|







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	  #f
        ))))

;; sync for filesystem local db writes
;;
(define (db:run-lock-and-sync no-sync-db)
  (let* ((tmp-area       (common:get-db-tmp-area))
	 (dbfiles        (glob (conc tmp-area"/.mtdb/*.db")))
	 (sync-durations (make-hash-table)))
    ;; (debug:print-info 0 *default-log-port* "lock-and-sync, dbfiles: "dbfiles)
    (for-each
     (lambda (file)
       (let* ((fname (conc (pathname-file file) ".db"))
	      (fulln (conc *toppath*"/.mtdb/"fname))
	      (time1 (if (file-exists? file)
			 (file-modification-time file)
			 (begin
			   (debug:print-info 0 *default-log-port* "Sync - I do not see file "file)
			   1)))
	      (time2 (if (file-exists? fulln)
			 (file-modification-time fulln)
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	(sync-stale-seconds (configf:lookup-number *configdat* "server" "sync-stale-seconds" default: 300))
 	(debug-mode         (debug:debug-mode 1))
 	(last-time          (current-seconds))     ;; last time through the sync loop
 	(no-sync-db         (db:open-no-sync-db))
 	(sync-duration      0)  ;; run time of the sync in milliseconds
	(tmp-area           (common:get-db-tmp-area)))
    ;; Sync moved to http-transport keep-running loop
    (set! *no-sync-db* no-sync-db) ;; make the no sync db available to api calls
    (debug:print-info 2 *default-log-port* "Periodic copy-based sync thread started. syncer is copy-sync, tmp-area is " tmp-area)
    (debug:print-info 3 *default-log-port* "watchdog starting. syncer is copy-sync pid="(current-process-id));;  " this-wd-num="this-wd-num)
    
    (if (and legacy-sync (not *time-to-exit*))
 	(begin
 	  (debug:print-info 0 *default-log-port* "Server running, periodic copy-based sync started.")
	  (let loop ()







<







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	(sync-stale-seconds (configf:lookup-number *configdat* "server" "sync-stale-seconds" default: 300))
 	(debug-mode         (debug:debug-mode 1))
 	(last-time          (current-seconds))     ;; last time through the sync loop
 	(no-sync-db         (db:open-no-sync-db))
 	(sync-duration      0)  ;; run time of the sync in milliseconds
	(tmp-area           (common:get-db-tmp-area)))
    ;; Sync moved to http-transport keep-running loop

    (debug:print-info 2 *default-log-port* "Periodic copy-based sync thread started. syncer is copy-sync, tmp-area is " tmp-area)
    (debug:print-info 3 *default-log-port* "watchdog starting. syncer is copy-sync pid="(current-process-id));;  " this-wd-num="this-wd-num)
    
    (if (and legacy-sync (not *time-to-exit*))
 	(begin
 	  (debug:print-info 0 *default-log-port* "Server running, periodic copy-based sync started.")
	  (let loop ()
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       (sync-stale-seconds (configf:lookup-number *configdat* "server" "sync-stale-seconds" default: 300))
 	(debug-mode   (debug:debug-mode 1))
 	(last-time    (current-seconds))
 	(no-sync-db   (db:open-no-sync-db))
 	(stmt-cache   #f) ;; (dbr:dbstruct-stmt-cache dbstruct))
 	(sync-duration 0) ;; run time of the sync in milliseconds
       (subdbs       (hash-table-values (dbr:dbstruct-subdbs dbstruct))))
   (set! *no-sync-db* no-sync-db) ;; make the no sync db available to api calls
   (debug:print-info 2 *default-log-port* "Periodic sync thread started.")
   (debug:print-info 3 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)  );;  " this-wd-num="this-wd-num)
   
   (if (and legacy-sync (not *time-to-exit*))
 	(begin
 	  (debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
	  (let loop ()







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       (sync-stale-seconds (configf:lookup-number *configdat* "server" "sync-stale-seconds" default: 300))
 	(debug-mode   (debug:debug-mode 1))
 	(last-time    (current-seconds))
 	(no-sync-db   (db:open-no-sync-db))
 	(stmt-cache   #f) ;; (dbr:dbstruct-stmt-cache dbstruct))
 	(sync-duration 0) ;; run time of the sync in milliseconds
       (subdbs       (hash-table-values (dbr:dbstruct-subdbs dbstruct))))

   (debug:print-info 2 *default-log-port* "Periodic sync thread started.")
   (debug:print-info 3 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)  );;  " this-wd-num="this-wd-num)
   
   (if (and legacy-sync (not *time-to-exit*))
 	(begin
 	  (debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
	  (let loop ()
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				  (let ((db (cdr *task-db*)))
				    (if (sqlite3:database? db)
					(begin
					  (sqlite3:interrupt! db)
					  (sqlite3:finalize! db #t)
					  ;; (vector-set! *task-db* 0 #f)
					  (set! *task-db* #f)))))



			      (if (and (not (args:get-arg "-server"))
				       *runremote*)

				  (begin
				    (debug:print-info 0 *default-log-port* "Closing all client connections...")

				    (http-client#close-all-connections!)))
                              ;; (if (and *runremote*
                              ;;          (remote-conndat *runremote*))
                              ;;     (begin
                              ;;       (http-client#close-all-connections!))) ;; for http-client
                              (if (not (eq? *default-log-port* (current-error-port)))
                                  (close-output-port *default-log-port*))
			      (set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))







>
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>


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				  (let ((db (cdr *task-db*)))
				    (if (sqlite3:database? db)
					(begin
					  (sqlite3:interrupt! db)
					  (sqlite3:finalize! db #t)
					  ;; (vector-set! *task-db* 0 #f)
					  (set! *task-db* #f)))))
			      (if (and *no-sync-db*
				       (sqlite3:database? *no-sync-db*))
				  (sqlite3:finalize! *no-sync-db* #t))
			      (if (and (not (args:get-arg "-server"))
				       *runremote*
				       (eq? (rmt:transport-mode) 'http))
				  (begin
				    (debug:print-info 0 *default-log-port* "Closing all client connections...")
				    (http-transport:close-connections *runremote*)
				    #;(http-client#close-all-connections!)))
                              ;; (if (and *runremote*
                              ;;          (remote-conndat *runremote*))
                              ;;     (begin
                              ;;       (http-client#close-all-connections!))) ;; for http-client
                              (if (not (eq? *default-log-port* (current-error-port)))
                                  (close-output-port *default-log-port*))
			      (set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))

Modified db_records.scm from [37c233f08b] to [92d912cdd4].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; dbstruct
;;======================================================================

;;
;; -path-|-megatest.db
;;       |-db-|-main.db
;;            |-monitor.db
;;            |-sdb.db
;;            |-fdb.db
;;            |-1.db
;;            |-<N>.db
;;
;;
;; Accessors for a dbstruct
;;

;; (define-inline (dbr:dbstruct-main    vec)    (vector-ref  vec 0)) ;; ( db path )
;; (define-inline (dbr:dbstruct-strdb   vec)    (vector-ref  vec 1)) ;; ( db path )
;; (define-inline (dbr:dbstruct-path    vec)    (vector-ref  vec 2)) 
;; (define-inline (dbr:dbstruct-local   vec)    (vector-ref  vec 3))
;; (define-inline (dbr:dbstruct-rundb   vec)    (vector-ref  vec 4)) ;; ( db path )
;; (define-inline (dbr:dbstruct-inmem   vec)    (vector-ref  vec 5)) ;; ( db #f )
;; (define-inline (dbr:dbstruct-mtime   vec)    (vector-ref  vec 6))
;; (define-inline (dbr:dbstruct-rtime   vec)    (vector-ref  vec 7))
;; (define-inline (dbr:dbstruct-stime   vec)    (vector-ref  vec 8))
;; (define-inline (dbr:dbstruct-inuse   vec)    (vector-ref  vec 9))
;; (define-inline (dbr:dbstruct-refdb   vec)    (vector-ref  vec 10)) ;; ( db path )
;; (define-inline (dbr:dbstruct-locdbs  vec)    (vector-ref  vec 11))
;; (define-inline (dbr:dbstruct-olddb   vec)    (vector-ref  vec 12)) ;; ( db path )
;; ;; (define-inline (dbr:dbstruct-main-path vec)  (vector-ref  vec 13))
;; ;; (define-inline (dbr:dbstruct-rundb-path vec) (vector-ref  vec 14))
;; ;; (define-inline (dbr:dbstruct-run-id  vec)    (vector-ref  vec 13))
;; 
;; (define-inline (dbr:dbstruct-main-set!   vec val)(vector-set! vec 0 val))
;; (define-inline (dbr:dbstruct-strdb-set!  vec val)(vector-set! vec 1 val))
;; (define-inline (dbr:dbstruct-path-set!   vec val)(vector-set! vec 2 val))
;; (define-inline (dbr:dbstruct-local-set!  vec val)(vector-set! vec 3 val))
;; (define-inline (dbr:dbstruct-rundb-set!  vec val)(vector-set! vec 4 val))
;; (define-inline (dbr:dbstruct-inmem-set!  vec val)(vector-set! vec 5 val))
;; (define-inline (dbr:dbstruct-mtime-set!  vec val)(vector-set! vec 6 val))
;; (define-inline (dbr:dbstruct-rtime-set!  vec val)(vector-set! vec 7 val))
;; (define-inline (dbr:dbstruct-stime-set!  vec val)(vector-set! vec 8 val))
;; (define-inline (dbr:dbstruct-inuse-set!  vec val)(vector-set! vec 9 val))
;; (define-inline (dbr:dbstruct-refdb-set!  vec val)(vector-set! vec 10 val))
;; (define-inline (dbr:dbstruct-locdbs-set! vec val)(vector-set! vec 11 val))
;; (define-inline (dbr:dbstruct-olddb-set!  vec val)(vector-set! vec 12 val))
;; (define-inline (dbr:dbstruct-main-path-set! vec val)(vector-set! vec 13 val))
;; (define-inline (dbr:dbstruct-rundb-path-set! vec val)(vector-set! vec 14 val))
;; 
; (define-inline (dbr:dbstruct-run-id-set! vec val)(vector-set! vec 13 val))

;; constructor for dbstruct
;;
;; (define (make-dbr:dbstruct #!key (path #f)(local #f))
;;   (let ((v (make-vector 15 #f)))
;;     (dbr:dbstruct-path-set! v path)
;;     (dbr:dbstruct-local-set! v local)
;;     (dbr:dbstruct-locdbs-set! v (make-hash-table))
;;     v))

;; Returns the database for a particular run-id fron the dbstruct:localdbs
;;
(define (dbr:dbstruct-localdb v run-id)
  (hash-table-ref/default (dbr:dbstruct-locdbs v) run-id #f))

(define (dbr:dbstruct-localdb-set! v run-id db)
  (hash-table-set! (dbr:dbstruct-locdbs v) run-id db))


(define (make-db:test)(make-vector 20))
(define-inline (db:test-get-id           vec) (vector-ref vec 0))
(define-inline (db:test-get-run_id       vec) (vector-ref vec 1))
(define-inline (db:test-get-testname     vec) (vector-ref vec 2))
(define-inline (db:test-get-state        vec) (vector-ref vec 3))
(define-inline (db:test-get-status       vec) (vector-ref vec 4))







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; dbstruct
;;======================================================================



































































(define (make-db:test)(make-vector 20))
(define-inline (db:test-get-id           vec) (vector-ref vec 0))
(define-inline (db:test-get-run_id       vec) (vector-ref vec 1))
(define-inline (db:test-get-testname     vec) (vector-ref vec 2))
(define-inline (db:test-get-state        vec) (vector-ref vec 3))
(define-inline (db:test-get-status       vec) (vector-ref vec 4))

Modified dbfile.scm from [d24edd08a7] to [1a2e6b4c5e].

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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================



(declare (unit dbfile))
;; (declare (uses debugprint))
(declare (uses commonmod))

(module dbfile
	*
	
  (import scheme
	  chicken
	  data-structures
	  extras
	  matchable)
  
(import (prefix sqlite3 sqlite3:)
	posix typed-records srfi-18 srfi-1



	srfi-69
	stack
	files
	ports

	commonmod

	)




;; (import debugprint)















;;======================================================================
;;  R E C O R D S
;;======================================================================

;; a single Megatest area with it's multiple dbs is
;; managed in a dbstruct
;;
(defstruct dbr:dbstruct
  (areapath  #f)
  (homehost  #f)
  (tmppath   #f)
  (read-only #f)
  (subdbs (make-hash-table))











  )

;; NOTE: Need one dbr:subdb per main.db, 1.db ...
;;
(defstruct dbr:subdb
  (dbname      #f) ;; .megatest/1.db
  (mtdbfile    #f) ;; mtrah/.megatest/1.db
  (mtdbdat     #f) ;; only need one of these for syncing
  ;; (dbdats      (make-hash-table))  ;; id => dbdat 
  (tmpdbfile   #f) ;; /tmp/.../.megatest/1.db
  ;; (refndbfile  #f) ;; /tmp/.../.megatest/1.db_ref
  (dbstack     (make-stack)) ;; stack for tmp dbr:dbdat,
  (homehost    #f) ;; not used yet
  (on-homehost #f) ;; not used yet
  (read-only   #f)
  (last-sync   0)
  (last-write  (current-seconds))
  )                ;; goal is to converge on one struct for an area but for now it is too confusing

;; need to keep dbhandles and cached statements together
(defstruct dbr:dbdat
  (dbfile      #f)
  (dbh         #f)    
  (stmt-cache  (make-hash-table))
  (read-only   #f)
  (birth-sec   (current-seconds)))







(define *dbstruct-dbs* #f)
(define *db-open-mutex* (make-mutex))
(define *db-access-mutex* (make-mutex)) ;; used in common.scm
(define *no-sync-db*   #f)
(define *db-sync-in-progress* #f)
(define *db-with-db-mutex*    (make-mutex))
(define *max-api-process-requests* 0)
(define *api-process-request-count* 0)
(define *db-write-access*     #t)
(define *db-last-sync*        0)                 ;; last time the sync to megatest.db happened
(define *db-multi-sync-mutex* (make-mutex))      ;; protect access to *db-sync-in-progress*, *db-last-sync*




(define (db:generic-error-printout exn . message)
  (print-call-chain (current-error-port))
  (apply dbfile:print-err message)
  (dbfile:print-err
    ", error: "     ((condition-property-accessor 'exn 'message)   exn)
    ", arguments: " ((condition-property-accessor 'exn 'arguments) exn)








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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(use srfi-18)

(declare (unit dbfile))
(declare (uses debugprint))
(declare (uses commonmod))

(module dbfile
	*
	
  (import scheme
	  chicken
	  data-structures
	  extras
	  matchable
  
	  (prefix sqlite3 sqlite3:)
	  posix typed-records

	  srfi-18
	  srfi-1
	  srfi-69
	  stack
	  files
	  ports
	  
	  commonmod
	  debugprint
	  )

;; parameters
;;
(define dbfile:testsuite-name (make-parameter #f))

(define keep-age-param        (make-parameter 10))      ;; qif file age, if over move to attic
(define num-run-dbs           (make-parameter 10))      ;; number of db's in .mtdb
(define dbfile:sync-method    (make-parameter 'attach)) ;; 'attach or 'original
(define dbfile:cache-method   (make-parameter 'cachedb))  ;; 'direct
(define dbcache-mode (make-parameter 'tmp)) ;; 'cachedb, 'tmp (changes what open cachedb routine does)

;; moved from tcp-transportmod so that it can be used in launch.scm
(define tt-server-profile-string (make-parameter ""))

;; 'original     - use old condition code
;; 'suicide-mode - create mtrah/stop-the-train with info on what went wrong
;; else use no condition code (should be production mode)
;;
(define no-condition-db-with-db (make-parameter 'suicide-mode))

;;======================================================================
;;  R E C O R D S
;;======================================================================

;; a single Megatest area with it's multiple dbs is
;; managed in a dbstruct
;;
(defstruct dbr:dbstruct
  (areapath  #f)
  (homehost  #f)
  (tmppath   #f)
  (read-only #f)
  (subdbs (make-hash-table))
  ;;
  ;; for the cachedb approach (see dbmod.scm)
  ;; this is one db per server
  (cachedb     #f)  ;; handle for the in memory copy
  (dbfile    #f)  ;; path to the db file on disk
  (dbfname   #f)  ;; short name of db file on disk (used to validate accessing correct db)
  (ondiskdb  #f)  ;; handle for the on-disk file
  (dbtmpname #f)  ;; path to db file in /tmp (non-imem method)
  (dbdat     #f)  ;; create a dbdat for the downstream calls such as db:with-db
  (last-update 0)
  (sync-proc #f)
  )

;; NOTE: Need one dbr:subdb per main.db, 1.db ...
;;
(defstruct dbr:subdb
  (dbname      #f) ;; .mtdb/1.db
  (mtdbfile    #f) ;; mtrah/.mtdb/1.db
  (mtdbdat     #f) ;; only need one of these for syncing
  ;; (dbdats      (make-hash-table))  ;; id => dbdat 
  (tmpdbfile   #f) ;; /tmp/.../.mtdb/1.db
  ;; (refndbfile  #f) ;; /tmp/.../.mtdb/1.db_ref
  (dbstack     (make-stack)) ;; stack for tmp dbr:dbdat,
  (homehost    #f) ;; not used yet
  (on-homehost #f) ;; not used yet
  (read-only   #f)
  (last-sync   0)
  (last-write  (current-seconds))
  )                ;; goal is to converge on one struct for an area but for now it is too confusing

;; need to keep dbhandles and cached statements together
(defstruct dbr:dbdat
  (dbfile      #f)
  (dbh         #f)    
  (stmt-cache  (make-hash-table))
  (read-only   #f)
  (birth-sec   (current-seconds)))

;; used in simple-get-runs (thanks Brandon!)
(define-record simple-run target id runname state status owner event_time)
(define-record-printer (simple-run x out)
  (fprintf out "#,(simple-run ~S ~S ~S ~S)"
	   (simple-run-target x) (simple-run-id x) (simple-run-runname x) (time->string (seconds->local-time (simple-run-event_time x) ))))

(define *dbstruct-dbs* #f)
(define *db-open-mutex* (make-mutex))
(define *db-access-mutex* (make-mutex)) ;; used in common.scm
(define *no-sync-db*   #f)
(define *db-sync-in-progress* #f)
(define *db-with-db-mutex*    (make-mutex))
(define *max-api-process-requests* 0)
(define *api-process-request-count* 0)
(define *db-write-access*     #t)
(define *db-last-sync*        0)                 ;; last time the sync to megatest.db happened
(define *db-multi-sync-mutex* (make-mutex))      ;; protect access to *db-sync-in-progress*, *db-last-sync*
(define *db-last-access*      (current-seconds))

(define *db-transaction-mutex* (make-mutex))

(define (db:generic-error-printout exn . message)
  (print-call-chain (current-error-port))
  (apply dbfile:print-err message)
  (dbfile:print-err
    ", error: "     ((condition-property-accessor 'exn 'message)   exn)
    ", arguments: " ((condition-property-accessor 'exn 'arguments) exn)
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	   subdbs)
           #t
          )
          #f
  )
)

;; ;; set up a single db (e.g. main.db, 1.db ... etc.)
;; ;;
;; (define (db:setup-db dbstruct areapath run-id)
;;   (let* ((dbname   (db:run-id->dbname run-id))

;; 	 (dbstruct (hash-table-ref/default dbstructs dbname #f)))
;;     (if dbstruct
;; 	dbstruct
;; 	(let* ((dbstruct-new (make-dbr:dbstruct)))
;; 	  (db:open-db dbstruct-new run-id areapath: areapath do-sync: #t)
;; 	  (hash-table-set! dbstructs dbname dbstruct-new)
;; 	  dbstruct-new))))
    
;; ; Returns the dbdat for a particular dbfile inside the area
;; ;;
;; (define (dbr:dbstruct-get-dbdat dbstruct dbfile)
;;   (hash-table-ref/default (dbr:dbstruct-dbdats dbstruct) dbfile #f))
;; 
;; (define (dbr:dbstruct-dbdat-put! dbstruct dbfile db)
;;   (hash-table-set! (dbr:dbstruct-dbdats dbstruct) dbfile db))
;; 
;; (define (db:run-id->first-num run-id)
;;   (let* ((s (number->string run-id))
;; 	 (l (string-length s)))
;;     (substring s (- l 1) l)))

;; 1234 => 4/1234.db
;;   #f => 0/main.db
;;   (abandoned the idea of num/db)
;; 
(define (dbfile:run-id->path apath run-id)
  (conc apath"/"(dbfile:run-id->dbname run-id)))

(define (db:dbname->path apath dbname)
  (conc apath"/"dbname))

;; POTENTIAL BUG: this implementation could produce a db file if run-id is neither #f or a number
(define (dbfile:run-id->dbname run-id)
  (cond
   ((number? run-id) (conc ".megatest/" (modulo run-id 100) ".db"))




   ((not run-id)     (conc ".megatest/main.db"))



   (else             run-id)))





;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (dbfile:setup do-sync areapath tmppath)
  (cond
   (*dbstruct-dbs*
    (dbfile:print-err "WARNING: dbfile:setup called when *dbstruct-dbs* is already initialized")
    *dbstruct-dbs*) ;; TODO: when multiple areas are supported, this optimization will be a hazard
   (else
    (let* ((dbstruct (make-dbr:dbstruct)))
      (set! *dbstruct-dbs* dbstruct)
      (dbr:dbstruct-areapath-set! dbstruct areapath)
      (dbr:dbstruct-tmppath-set!  dbstruct tmppath)
      dbstruct))))

(define (dbfile:get-subdb dbstruct run-id)
  (let* ((dbfname (dbfile:run-id->dbname run-id)))
    (hash-table-ref/default (dbr:dbstruct-subdbs dbstruct) dbfname #f)))

(define (dbfile:set-subdb dbstruct run-id subdb)
  (hash-table-set! (dbr:dbstruct-subdbs dbstruct) (dbfile:run-id->dbname run-id) subdb))

;; (define *dbfile:num-handles-in-use* 0)

;; Get/open a database



;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if run-id is a string treat it as a filename
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
(define (dbfile:get-dbdat dbstruct run-id)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
    (if (stack-empty? (dbr:subdb-dbstack subdb))
	#f
	(begin
	  (stack-pop! (dbr:subdb-dbstack subdb))))))

;; return a previously opened db handle to the stack of available handles
(define (dbfile:add-dbdat dbstruct run-id dbdat)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
    (stack-push! (dbr:subdb-dbstack subdb) dbdat)




    dbdat))

;; set up a subdb
;;
(define (dbfile:init-subdb dbstruct run-id init-proc)
  (let* ((dbname    (dbfile:run-id->dbname run-id))
	 (areapath  (dbr:dbstruct-areapath dbstruct))







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	   subdbs)
           #t
          )
          #f
  )
)



(define (dbfile:make-tmpdir-name areapath tmpadj)
  (let* ((dname (conc "/tmp/"(current-user-name)"/" (string-translate areapath "/" ".") tmpadj)))
    (unless (directory-exists? dname)
      (create-directory dname #t))






    dname))

















(define (dbfile:run-id->path apath run-id)
  (conc apath"/"(dbfile:run-id->dbname run-id)))

(define (db:dbname->path apath dbname)
  (conc apath"/"dbname))


(define (dbfile:run-id->dbnum run-id)
  (cond
   ((number? run-id)
    (modulo run-id (num-run-dbs)))
   ((not run-id) "main")   ;; 0 or main? No, not 0. 
   (else
    (assert #f "FATAL: run-id is required to be a number or #f"))))

;; just the filename
(define (dbfile:run-id->dbfname run-id)
  (conc (dbfile:run-id->dbnum run-id)".db"))

;; the path in MTRAH with the filename
(define (dbfile:run-id->dbname run-id)
  (conc ".mtdb/"(dbfile:run-id->dbfname run-id)))


;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (dbfile:setup do-sync areapath tmppath)
  (cond
   (*dbstruct-dbs*
    (dbfile:print-err "WARNING: dbfile:setup called when *dbstruct-dbs* is already initialized")
    *dbstruct-dbs*) ;; TODO: when multiple areas are supported, this optimization will be a hazard
   (else
    (let* ((dbstruct (make-dbr:dbstruct areapath: areapath tmppath: tmppath)))
      (set! *dbstruct-dbs* dbstruct)


      dbstruct))))

(define (dbfile:get-subdb dbstruct run-id)
  (let* ((dbfname (dbfile:run-id->dbname run-id)))
    (hash-table-ref/default (dbr:dbstruct-subdbs dbstruct) dbfname #f)))

(define (dbfile:set-subdb dbstruct run-id subdb)
  (hash-table-set! (dbr:dbstruct-subdbs dbstruct) (dbfile:run-id->dbname run-id) subdb))

;; (define *dbfile:num-handles-in-use* 0)

;; Get/open a database.
;;
;;    NOTE: most usage should call dbfile:open-db to get a dbdat
;;
;;    if run-id => get run specific db
;;    if #f     => get main db
;;    if run-id is a string treat it as a filename - DON'T use this - we'll get rid of it.
;;    if db already open - return cachedb
;;    if db not open, open cachedb, rundb and sync then return cachedb
;;    inuse gets set automatically for rundb's
;;
(define (dbfile:get-dbdat dbstruct run-id)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
    (if (stack-empty? (dbr:subdb-dbstack subdb))
	#f
	(begin
	  (stack-pop! (dbr:subdb-dbstack subdb))))))

;; return a previously opened db handle to the stack of available handles
(define (dbfile:add-dbdat dbstruct run-id dbdat)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id))
	 (dbstk (dbr:subdb-dbstack subdb))
	 (count (stack-count dbstk)))
    (if (> count 15)
	(dbfile:print-err "WARNING: stack for "run-id".db is "count"."))
    (stack-push! dbstk dbdat)
    dbdat))

;; set up a subdb
;;
(define (dbfile:init-subdb dbstruct run-id init-proc)
  (let* ((dbname    (dbfile:run-id->dbname run-id))
	 (areapath  (dbr:dbstruct-areapath dbstruct))
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  (exit 1))
    
(define (dbfile:print-err . params)
  (with-output-to-port
      (current-error-port)
    (lambda ()
      (apply print params))))
    
(define (dbfile:cautious-open-database fname init-proc sync-mode journal-mode #!optional (tries-left 500))
  (let* ((busy-file  (conc fname"-journal"))
	 (delay-time (* (- 51 tries-left) 1.1))
      	 (write-access (file-write-access? fname))
         (dir-access (file-write-access? (pathname-directory fname)))
         (retry      (lambda ()
		       (thread-sleep! delay-time)
		       (if (> tries-left 0)
			   (dbfile:cautious-open-database fname init-proc
							  sync-mode: sync-mode journal-mode: journal-mode
							  (- tries-left 1))))))
    (assert (>= tries-left 0) (conc "FATAL: too many attempts in dbfile:cautious-open-database of "fname", giving up."))
    
    (if (and (file-write-access? fname)
	     (file-exists? busy-file))
	(begin
	  (if (common:low-noise-print 120 busy-file)
	      (dbfile:print-err "INFO: dbfile:cautious-open-database: journal file "
				busy-file" exists, trying again in few seconds."))
	  (thread-sleep! 1)
	  (if (eq? tries-left 2)
	      (begin
	  	(dbfile:print-err "INFO: forcing journal rollup "busy-file)
	  	(dbfile:brute-force-salvage-db fname)))
	  (dbfile:cautious-open-database fname init-proc sync-mode: sync-mode journal-mode: journal-mode (- tries-left 1)))
	
	(let* ((result (condition-case
		        (if dir-access
			    (dbfile:with-simple-file-lock
			     (conc fname ".lock")
			     (lambda ()
			       (let* ((db-exists (file-exists? fname))







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  (exit 1))
    
(define (dbfile:print-err . params)
  (with-output-to-port
      (current-error-port)
    (lambda ()
      (apply print params))))

(define (dbfile:cautious-open-database fname init-proc sync-mode journal-mode #!optional (tries-left 500))
  (let* ((busy-file  (conc fname "-journal"))
	 (delay-time (* (- 51 tries-left) 1.1))
      	 (write-access (file-write-access? fname))
         (dir-access (file-write-access? (pathname-directory fname)))
         (retry      (lambda ()
		       (thread-sleep! delay-time)
		       (if (> tries-left 0)
			   (dbfile:cautious-open-database fname init-proc
							  sync-mode journal-mode
							  (- tries-left 1))))))
    (assert (>= tries-left 0) (conc "FATAL: too many attempts in dbfile:cautious-open-database of "fname", giving up."))
    
    (if (and (file-write-access? fname)
	     (file-exists? busy-file))
	(begin
	  (if (common:low-noise-print 120 busy-file)
	      (dbfile:print-err "INFO: dbfile:cautious-open-database: journal file "
				busy-file" exists, trying again in few seconds."))
	  (thread-sleep! 1)
	  (if (eq? tries-left 2)
	      (begin
	  	(dbfile:print-err "INFO: forcing journal rollup "busy-file)
	  	(dbfile:brute-force-salvage-db fname)))
	  (dbfile:cautious-open-database fname init-proc sync-mode journal-mode (- tries-left 1)))
	
	(let* ((result (condition-case
		        (if dir-access
			    (dbfile:with-simple-file-lock
			     (conc fname ".lock")
			     (lambda ()
			       (let* ((db-exists (file-exists? fname))
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  (let* ((backupfname (conc fname"-"(current-process-id)".bak"))
	 (cmd (conc "cp "fname" "backupfname";mv "fname" "(conc fname ".delme;")
		    "cp "backupfname" "fname)))
    (dbfile:print-err "WARNING: attempting recovery of file "fname" by running commands:\n"
		      "  "cmd)
    (system cmd)))


(define (dbfile:open-no-sync-db dbpath)

  (if *no-sync-db*

      *no-sync-db*
      (begin
	(if (not (file-exists? dbpath))
	    (create-directory dbpath #t))

	(let* ((dbname    (conc dbpath "/no-sync.db"))
	       (db-exists (file-exists? dbname))
	       (init-proc (lambda (db)





			    (if (not db-exists)



				(begin



				  (sqlite3:execute db "CREATE TABLE IF NOT EXISTS no_sync_metadat (var TEXT,val TEXT, CONSTRAINT no_sync_metadat_constraint UNIQUE (var));"))









				)))
	       (db        (dbfile:cautious-open-database dbname init-proc 0 "WAL"))) ;; (sqlite3:open-database dbname)))

	  ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
	  ;; (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000)) ;; done in cautious-open-database



















	  (set! *no-sync-db* db)
	  db))))



(define (db:no-sync-set db var val)
  (sqlite3:execute db "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES (?,?);" var val))

(define (db:no-sync-del! db var)
  (sqlite3:execute db "DELETE FROM no_sync_metadat WHERE var=?;" var))

(define (db:no-sync-get/default db var default)

  (let ((res default))
    (sqlite3:for-each-row
     (lambda (val)
       (set! res val))
     db
     "SELECT val FROM no_sync_metadat WHERE var=?;"
     var)
    (if res
        (let ((newres (if (string? res)
			  (string->number res)
			  #f)))
          (if newres
              newres
              res))
        res)))































































;; transaction protected lock aquisition
;; either:
;;    fails    returns  (#f . lock-creation-time)
;;    succeeds (returns (#t . lock-creation-time)
;; use (db:no-sync-del! db keyname) to release the lock
;;
(define (db:no-sync-get-lock db keyname)







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  (let* ((backupfname (conc fname"-"(current-process-id)".bak"))
	 (cmd (conc "cp "fname" "backupfname";mv "fname" "(conc fname ".delme;")
		    "cp "backupfname" "fname)))
    (dbfile:print-err "WARNING: attempting recovery of file "fname" by running commands:\n"
		      "  "cmd)
    (system cmd)))

;; opens and returns handle and nothing else

;;
;; NOTE: this is already protected by mutex *no-sync-db-mutex*
;;
(define (dbfile:raw-open-no-sync-db dbpath)

  (if (not (file-exists? dbpath))
      (create-directory dbpath #t))
  (debug:print-info 0 *default-log-port* "Opening "dbpath"/no-sync.db")
  (let* ((dbname    (conc dbpath "/no-sync.db"))
	 (db-exists (file-exists? dbname))
	 (init-proc (lambda (db)
		      (sqlite3:with-transaction
		       db
		       (lambda ()
			 ;; I have been having trouble with init of no-sync.db so
			 ;; doing the init in a transaction every time (no gating
			 ;; on file existance.
			  (for-each
			   (lambda (stmt)
			     (sqlite3:execute db stmt))
			   (list
			    "CREATE TABLE IF NOT EXISTS no_sync_metadat
                                (var TEXT,
                                 val TEXT,
                                   CONSTRAINT no_sync_metadat_constraint UNIQUE (var));"
			    "CREATE TABLE IF NOT EXISTS no_sync_locks 
                                (key TEXT,
                                 val TEXT,
                                   CONSTRAINT no_sync_metadat_constraint UNIQUE (key));"))))))
	 (on-tmp      (equal? (car (string-split dbpath "/")) "tmp"))
	 (db        (if on-tmp
			(dbfile:cautious-open-database dbname init-proc 0 "WAL")
			(dbfile:cautious-open-database dbname init-proc 0 #f)
			;; (sqlite3:open-database dbname)
			)))
    (if on-tmp	      ;; done in cautious-open-database
	(begin
	  (sqlite3:execute db "PRAGMA synchronous = 0;")
	  (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))))
    db))

(define (dbfile:with-no-sync-db dbpath proc)
  (mutex-lock! *no-sync-db-mutex*)
  (let* ((already-open *no-sync-db*)
	 (db  (or already-open (dbfile:raw-open-no-sync-db dbpath)))
	 (res (proc db)))
    (if (not already-open)
	(sqlite3:finalize! db))
    (mutex-unlock! *no-sync-db-mutex*)
    res))

(define *no-sync-db-mutex* (make-mutex))

(define (dbfile:open-no-sync-db dbpath)
  (mutex-lock! *no-sync-db-mutex*)
  (let* ((res (if *no-sync-db*
		  *no-sync-db*
		  (let* ((db (dbfile:raw-open-no-sync-db dbpath)))
		    (set! *no-sync-db* db)
		    db))))
    (mutex-unlock! *no-sync-db-mutex*)
    res))

(define (db:no-sync-set db var val)
  (sqlite3:execute db "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES (?,?);" var val))

(define (db:no-sync-del! db var)
  (sqlite3:execute db "DELETE FROM no_sync_metadat WHERE var=?;" var))

(define (db:no-sync-get/default db var default)
  (assert (sqlite3:database? db) "FATAL: db:no-sync-get/default called with a bad db handle:" db)
  (let ((res default))
    (sqlite3:for-each-row
     (lambda (val)
       (set! res val))
     db
     "SELECT val FROM no_sync_metadat WHERE var=?;"
     var)
    (if res
        (let ((newres (if (string? res)
			  (string->number res)
			  #f)))
          (if newres
              newres
              res))
        res)))

;; timestring+identifier+payload
;; locks are unique on identifier, payload is informational
(define (db:extract-time-identifier instr)
  (let ((tokens (string-split instr "+")))
    (match tokens
      ((t i)(cons (string->number t) i))
      ((t)  (cons (string->number t) #f))
      (else
       (assert #f "FATAL: db:extract-time-identifier handed bad data "instr)))))

;; transaction protected lock aquisition
;; either:
;;    fails    returns  (#f lock-creation-time identifier)
;;    succeeds (returns (#t lock-creation-time identifier)
;; use (db:no-sync-del! db keyname) to release the lock
;;
(define (db:no-sync-get-lock-with-id db keyname identifier)
  (sqlite3:with-transaction
   db
   (lambda ()
     (condition-case
      (let* ((curr-val (db:no-sync-get/default db keyname #f)))
	(if curr-val
	    (match (db:extract-time-identifier curr-val) ;; result->timestamp, identifier
	       ((timestamp . ident)
		(cons (equal? ident identifier) timestamp))
	       (else (cons #f 'malformed-lock)))  ;; lock malformed
	    (let ((curr-sec (current-seconds))
		  (lock-value (if identifier
				  (conc (current-seconds)"+"identifier)
				  (current-seconds))))
	      (sqlite3:execute db "INSERT OR REPLACE INTO no_sync_metadat (var,val) VALUES(?,?);" keyname lock-value)
	      (cons #t curr-sec))))
      (exn (io-error)  (dbfile:print-err "ERROR: i/o error with no-sync db. Check permissions, disk space etc. and try again."))
      (exn (corrupt)   (dbfile:print-err "ERROR: database no-sync db is corrupt. Repair it to proceed."))
      (exn (busy)      (dbfile:print-err "ERROR: database no-sync db is locked. Try copying to another location, remove original and copy back."))
      (exn (permission)(dbfile:print-err "ERROR: database no-sync db has some permissions problem."))
      (exn () ;; (status done) ;; I don't know how to detect status done but no data!
	   (dbfile:print-err "ERROR: Unknown error with database no-sync db message: exn="(condition->list exn)", \n"
			     ((condition-property-accessor 'exn 'message) exn))
	   (cons #f #f))))))

(define (db:no-sync-check-lock db keyname identifier)
  (let* ((curr-val (db:no-sync-get/default db keyname #f)))
    (match (db:extract-time-identifier curr-val) ;; result->timestamp, identifier
      ((timestamp . ident)
       (cons (equal? ident identifier) ident))
      (else  (cons #f 'no-lock)))))

;; get the lock, wait 0.25 seconds and verify still have it.
;; this should not be necessary given the use of transaction in
;; db:no-sync-get-lock-with-id but it does seem to be needed
;;
(define (db:no-sync-lock-and-check db keyname identifier)
  (let* ((result  (db:no-sync-get-lock-with-id db keyname identifier))
	 (gotlock (car result)))
    (if gotlock
	(begin
	  (thread-sleep! 0.25)
	  (db:no-sync-check-lock db keyname identifier))
	result)))
    
;; transaction protected lock aquisition
;; either:
;;    fails    returns  (#f . lock-creation-time)
;;    succeeds (returns (#t . lock-creation-time)
;; use (db:no-sync-del! db keyname) to release the lock
;;
(define (db:no-sync-get-lock db keyname)
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	  (dbfile:print-err "INFO: db:lock-and-delta-sync copying db "runid" at "(current-seconds))
	  (set! *db-sync-in-progress* #t)
	  (db:sync-touched dbstruct runid keys dbinit)
	  (set! *db-sync-in-progress* #f)
	  (delete-file* lock-file)
	  #t)
        (begin

          (dbfile:print-err "INFO: could not get lock for " from-db-file ", sync likely in progress.")
	  #f
	  ))))

;; ;; Get a lock from the no-sync-db for the from-db, then delta sync the from-db to the to-db, otherwise return #f
;; ;;
;; (define (db:lock-and-delta-sync-orig no-sync-db dbstruct from-db-file runid keys dbinit)
;;   (assert (not *db-sync-in-progress*) "FATAL: db:lock-and-sync called while a sync is in progress.")







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	  (dbfile:print-err "INFO: db:lock-and-delta-sync copying db "runid" at "(current-seconds))
	  (set! *db-sync-in-progress* #t)
	  (db:sync-touched dbstruct runid keys dbinit)
	  (set! *db-sync-in-progress* #f)
	  (delete-file* lock-file)
	  #t)
        (begin
	  (if (common:low-noise-print 120 (conc "no lock "from-db-file))
	      (dbfile:print-err "INFO: could not get lock for " from-db-file ", sync likely in progress."))
	  #f
	  ))))

;; ;; Get a lock from the no-sync-db for the from-db, then delta sync the from-db to the to-db, otherwise return #f
;; ;;
;; (define (db:lock-and-delta-sync-orig no-sync-db dbstruct from-db-file runid keys dbinit)
;;   (assert (not *db-sync-in-progress*) "FATAL: db:lock-and-sync called while a sync is in progress.")
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         (tmpdbfile (dbr:subdb-tmpdbfile subdb))
	 (mtdb      (dbr:subdb-mtdbdat subdb))
         (tmpdb     (db:open-db dbstruct run-id dbinit)) ;; sqlite3-db tmpdbfile #f))
	 (start-t   (current-seconds)))
    (mutex-lock! *db-multi-sync-mutex*)
    (let ((update_info (cons "last_update" (if force-sync 0 *db-last-sync*) )))
      (mutex-unlock! *db-multi-sync-mutex*)
      (db:sync-tables (db:sync-all-tables-list dbstruct keys) update_info tmpdb mtdb))
    (mutex-lock! *db-multi-sync-mutex*)
    (set! *db-last-sync* start-t)
    (set! *db-last-access* start-t)
    (mutex-unlock! *db-multi-sync-mutex*)
    (dbfile:add-dbdat dbstruct run-id tmpdb)
  #t))








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         (tmpdbfile (dbr:subdb-tmpdbfile subdb))
	 (mtdb      (dbr:subdb-mtdbdat subdb))
         (tmpdb     (db:open-db dbstruct run-id dbinit)) ;; sqlite3-db tmpdbfile #f))
	 (start-t   (current-seconds)))
    (mutex-lock! *db-multi-sync-mutex*)
    (let ((update_info (cons "last_update" (if force-sync 0 *db-last-sync*) )))
      (mutex-unlock! *db-multi-sync-mutex*)
      (db:sync-tables (db:sync-all-tables-list keys) update_info tmpdb mtdb))
    (mutex-lock! *db-multi-sync-mutex*)
    (set! *db-last-sync* start-t)
    (set! *db-last-access* start-t)
    (mutex-unlock! *db-multi-sync-mutex*)
    (dbfile:add-dbdat dbstruct run-id tmpdb)
  #t))

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	 '("comment"        #f)
	 '("status"         #f)
	 '("type"           #f)
         '("last_update"    #f))))

;; needs db to get keys, this is for syncing all tables
;;
(define (db:sync-main-list dbstruct keys)
  (let ((keys  keys)) ;; (db:get-keys dbstruct)))
    (list
     (list "keys"
	   '("id"        #f)
	   '("fieldname" #f)
	   '("fieldtype" #f))
     (list "metadat" '("var" #f) '("val" #f))
     (append (list "runs" 







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	 '("comment"        #f)
	 '("status"         #f)
	 '("type"           #f)
         '("last_update"    #f))))

;; needs db to get keys, this is for syncing all tables
;;
(define (db:sync-main-list keys)
  (let ((keys  keys))
    (list
     (list "keys"
	   '("id"        #f)
	   '("fieldname" #f)
	   '("fieldtype" #f))
     (list "metadat" '("var" #f) '("val" #f))
     (append (list "runs" 
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	   '("owner"          #f)
	   '("description"    #f)
	   '("reviewed"       #f)
	   '("iterated"       #f)
	   '("avg_runtime"    #f)
	   '("avg_disk"       #f)
	   '("tags"           #f)
	   '("jobgroup"       #f)))))
















(define (db:sync-all-tables-list dbstruct keys)
  (append (db:sync-main-list dbstruct keys)
	  db:sync-tests-only))

;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are dbdat's
;;
;; if last-update specified ("field-name" . time-in-seconds)
;;    then sync only records where field-name >= time-in-seconds







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	   '("owner"          #f)
	   '("description"    #f)
	   '("reviewed"       #f)
	   '("iterated"       #f)
	   '("avg_runtime"    #f)
	   '("avg_disk"       #f)
	   '("tags"           #f)
	   '("jobgroup"       #f))


     (list "tasks_queue"
           '("id"            #f)
           '("action"        #f)
           '("owner"         #f) 
           '("state"         #f)
           '("target"        #f)
           '("name"          #f)
           '("testpatt"      #f)
           '("keylock"       #f)
           '("params"        #f)
           '("creation_time" #f)
           '("execution_time" #f))
     )))

(define (db:sync-all-tables-list keys)
  (append (db:sync-main-list keys)
	  db:sync-tests-only))

;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; db's are dbdat's
;;
;; if last-update specified ("field-name" . time-in-seconds)
;;    then sync only records where field-name >= time-in-seconds
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	       (hash-table-set! field->num field count)
	       (set! count (+ count 1)))
	     fields)

	    ;; read the source table
            ;; store a list of all rows in the table in fromdat, up to batch-len.
            ;; Then add fromdat to the fromdats list, clear fromdat and repeat.



	    (sqlite3:for-each-row
	     (lambda (a . b)
	       (set! fromdat (cons (apply vector a b) fromdat))
	       (if (> (length fromdat) batch-len)
		   (begin
		     (set! fromdats (cons fromdat fromdats))
		     (set! fromdat  '())
		     (set! totrecords (+ totrecords 1)))
               )
             )
	     (dbr:dbdat-dbh fromdb)
	     full-sel)



             ;; Count less than batch-len as a record
             (if (> (length fromdat) 0)
                 (set! totrecords (+ totrecords 1)))

	    ;; tack on remaining records in fromdat
	    (if (not (null? fromdat))







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	       (hash-table-set! field->num field count)
	       (set! count (+ count 1)))
	     fields)

	    ;; read the source table
            ;; store a list of all rows in the table in fromdat, up to batch-len.
            ;; Then add fromdat to the fromdats list, clear fromdat and repeat.
            (sqlite3:with-transaction 
              (dbr:dbdat-dbh fromdb)
              (lambda ()
	        (sqlite3:for-each-row
	          (lambda (a . b)
	            (set! fromdat (cons (apply vector a b) fromdat))
	            (if (> (length fromdat) batch-len)
		      (begin
		        (set! fromdats (cons fromdat fromdats))
		        (set! fromdat  '())
		        (set! totrecords (+ totrecords 1)))
                    )
                 )
	         (dbr:dbdat-dbh fromdb)
	         full-sel)
              )
            )

             ;; Count less than batch-len as a record
             (if (> (length fromdat) 0)
                 (set! totrecords (+ totrecords 1)))

	    ;; tack on remaining records in fromdat
	    (if (not (null? fromdat))
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	     (append (list todb) slave-dbs)
           )
          )
        )
	tbls)
       (let* ((runtime      (- (current-milliseconds) start-time))
	      (should-print (or ;; (debug:debug-mode 12)
				(common:low-noise-print 120 "db sync" (> runtime 500))))) ;; low and high sync times treated as separate.

	 (for-each 
	  (lambda (dat)
	    (let ((tblname (car dat))
		  (count   (cdr dat)))
	      (set! tot-count (+ tot-count count))
              )) 
	  (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))







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	     (append (list todb) slave-dbs)
           )
          )
        )
	tbls)
       (let* ((runtime      (- (current-milliseconds) start-time))
	      (should-print (or ;; (debug:debug-mode 12)
			     (common:low-noise-print 120 "db sync")
			     (> runtime 500)))) ;; low and high sync times treated as separate.
	 (for-each 
	  (lambda (dat)
	    (let ((tblname (car dat))
		  (count   (cdr dat)))
	      (set! tot-count (+ tot-count count))
              )) 
	  (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
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                               END;" )
	   (list "update_test_data_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_data SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )))
;;
;; ADD run-id SUPPORT
;;
(define (db:create-all-triggers dbstruct)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
     (db:create-triggers db))))

(define (db:create-triggers db)
    (for-each (lambda (key)
              (sqlite3:execute db (cadr key)))
          db:trigger-list))

(define (db:drop-all-triggers dbstruct)
  (db:with-db
   dbstruct #f #f
   (lambda (dbdat db)
     (db:drop-triggers db))))

(define (db:is-trigger-dropped db tbl-name)
  (let* ((trigger-name (if (equal? tbl-name "test_steps")
			   "update_teststeps_trigger" 
                           (conc "update_" tbl-name "_trigger")))
	 (res          #f))
    (sqlite3:for-each-row
     (lambda (name)







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                               END;" )
	   (list "update_test_data_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_data SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )))




















(define (db:is-trigger-dropped db tbl-name)
  (let* ((trigger-name (if (equal? tbl-name "test_steps")
			   "update_teststeps_trigger" 
                           (conc "update_" tbl-name "_trigger")))
	 (res          #f))
    (sqlite3:for-each-row
     (lambda (name)
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  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))

;; (db:with-db dbstruct run-id sqlite3:exec "select blah fgrom blaz;")






;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no


;;

















































(define (db:with-db dbstruct run-id r/w proc . params)










  (let* ((use-mutex (> *api-process-request-count* 25)) ;; risk of db corruption
	 (have-struct (dbr:dbstruct? dbstruct))
         (dbdat     (if have-struct                ;; this stuff just allows us to call with a db handle directly
			(db:open-db dbstruct run-id (dbfile:db-init-proc)) ;; (dbfile:get-subdb dbstruct run-id)
			#f))
	 (db        (if have-struct                ;; this stuff just allows us to call with a db handle directly
			(dbr:dbdat-dbh dbdat)
			dbstruct))
	 (fname     (if dbdat
			(dbr:dbdat-dbfile dbdat)
			"nofilenameavailable"))
	 (jfile     (conc fname"-journal"))





	 #;(subdb     (if have-struct
			(dbfile:get-subdb dbstruct run-id)

			#f))

	 ) ;; was 25


    (if (file-exists? jfile)
	(begin
	  (dbfile:print-err "INFO: "jfile" exists, delaying to reduce database load")
	  (thread-sleep! 0.2)))
    (if (and use-mutex
	     (common:low-noise-print 120 "over-50-parallel-api-requests"))

	(dbfile:print-err *api-process-request-count* " parallel api requests being processed in process "
			  (current-process-id))) ;;  ", throttling access"))
    (condition-case
	(begin
	  (if use-mutex (mutex-lock! *db-with-db-mutex*))
	  (let ((res (apply proc dbdat db params))) ;; the actual call is here.
	    (if use-mutex (mutex-unlock! *db-with-db-mutex*))
	    ;; (if (vector? dbstruct)(db:done-with dbstruct run-id r/w))
	    (if dbdat
		(dbfile:add-dbdat dbstruct run-id dbdat))

	    res))



      (exn (io-error)

	   (db:generic-error-printout exn "ERROR: i/o error with " fname ". Check permissions, disk space etc. and try again."))
      (exn (corrupt)
	   (db:generic-error-printout exn "ERROR: database " fname " is corrupt. Repair it to proceed."))

      (exn (busy)
	   (db:generic-error-printout exn "ERROR: database " fname
				      " is locked. Try copying to another location, remove original and copy back."))

      (exn (permission)(db:generic-error-printout exn "ERROR: database " fname " has some permissions problem."))

      (exn ()
	   (db:generic-error-printout exn "ERROR: Unknown error with database " fname " message: "

				      ((condition-property-accessor 'exn 'message) exn))))))

;;======================================================================
;; another attempt at a transactionized queue
;;======================================================================

;; ;; ;; (define *transaction-queues* (make-hash-table))
;; ;; ;; 







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  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))

;; in xmaxima this gives a curve close to what I want:
;;    plot2d ((exp(x/1.2)-1)/300, [x, 0, 10])$
;;    plot2d ((exp(x/1.5)-1)/40, [x, 0, 10])$
;;    plot2d ((exp(x/5)-1)/40, [x, 0, 20])$
(define (dbfile:droop x)
  (/ (- (exp (/ x 5)) 1) 40))
  ;; (* numqrys (/ 1 (qif-slope))))

;; create a dropping near the db file in a qif dir
;; use count of such files to gate queries (queries in flight)
;;
(define (dbfile:wait-for-qif fname run-id params)
  (let* ((thedir  (pathname-directory fname))
	 (dbnum   (dbfile:run-id->dbnum run-id))
	 (destdir (conc thedir"/qif-"dbnum))
	 (uniqn   (get-area-path-signature (conc dbnum params)))
	 (crumbn  (conc destdir"/"(current-seconds)"-"uniqn"."(current-process-id))))
    (if (not (file-exists? destdir))(create-directory (conc destdir"/attic") #t))
    (let loop ((count 0))
      (let* ((currlks (glob (conc destdir"/*")))
	     (numqrys (length currlks))
	     (delayval (cond ;; do a droopish curve
			((> numqrys 25)
			 (for-each
			  (lambda (f)
			    (if (> (- (current-seconds)
				      (handle-exceptions
					  exn
					(current-seconds) ;; file is likely gone, just fake out
					(file-modification-time f)))
				   (keep-age-param))
				(let* ((basedir (pathname-directory f))
				       (filen   (pathname-file f))
				       (destf   (conc basedir"/attic/"filen)))
				  (dbfile:print-err "Moving qif file "f" older than 10 seconds to "destf)
				  ;; (delete-file* f)
				  (handle-exceptions
				      exn
				    #t
				    (file-move f destf #t)))))
			  currlks)
			 4)
			((> numqrys 0)  (dbfile:droop numqrys)) ;; slope of 1/100
			(else #f))))
	(if (and delayval
		 (< count 5))
	    (begin
	      (thread-sleep! delayval)
	      (loop (+ count 1))))))
    (with-output-to-file crumbn
      (lambda ()
	(print fname" run-id="run-id" params="params)
	))
    crumbn))

;; ;; (db:with-db dbstruct run-id sqlite3:exec "select blah fgrom blaz;")
;; ;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;; ;;
;; ;; Used only with http - to be removed
;; ;;
;; (define (dbfile:with-db dbstruct run-id r/w proc params)
;;   (assert dbstruct "FATAL: db:with-db called with dbstruct "#f)
;;   (assert (dbr:dbstruct? dbstruct) "FATAL: dbstruct is "dbstruct)
;;   ;; Testing 2023, March 14th. I went from full time use of the mutext to no use at all and
;;   ;; didn't see much change in the frequency of the messages:
;;   ;; Warning (#<thread: thread14974>): in thread: (bind!) bad parameter or other API misuse
;;   ;; allowing request count to go up to 1000 and other crashes showed up:
;;   ;; Warning (#<thread: thread1889>): in thread: (deserialize) unexpected end of input: #<input port "(tcp)">
;;   ;;
;;   ;; leave it fully on for now, test later if there is a performance issue
;;   ;;
;;   (let* ((use-mutex   #t) ;;(> *api-process-request-count* 50)) ;; risk of db corruption
;; 	 (have-struct (dbr:dbstruct? dbstruct))
;;          (dbdat       (if have-struct                ;; this stuff just allows us to call with a db handle directly
;; 			  (db:open-db dbstruct run-id (dbfile:db-init-proc)) ;; (dbfile:get-subdb dbstruct run-id)
;; 			  #f))
;; 	 (db          (if have-struct                ;; this stuff just allows us to call with a db handle directly
;; 			  (dbr:dbdat-dbh dbdat)
;; 			  dbstruct))
;; 	 (fname       (if dbdat
;; 			  (dbr:dbdat-dbfile dbdat)
;; 			  "nofilenameavailable"))
;; 	 (jfile       (conc fname"-journal"))
;; 	 (qryproc     (lambda ()
;; 			(if use-mutex (mutex-lock! *db-with-db-mutex*))
;; 			(let ((res (apply proc dbdat db params))) ;; the actual call is here.
;; 			  (if use-mutex (mutex-unlock! *db-with-db-mutex*))
;; 			  ;; (if (vector? dbstruct)(db:done-with dbstruct run-id r/w))
;; 			  (if dbdat
;; 			      (dbfile:add-dbdat dbstruct run-id dbdat))
;; 			  ;; (delete-file* crumbfile)
;; 			  res)))
;; 	 (stop-train  (conc (dbr:dbstruct-areapath dbstruct)"/stop-the-train")))
;; 
;;     (assert (sqlite3:database? db) "FATAL: db:with-db, db is not a database, db="db
;; 	    ", fname="fname)
;;     (if (file-exists? jfile)
;; 	(begin
;; 	  (dbfile:print-err "INFO: "jfile" exists, delaying to reduce database load")
;; 	  (thread-sleep! 0.2)))
;;     (if (and use-mutex
;; 	     (common:low-noise-print 120 "over-50-parallel-api-requests"))
;; 	(dbfile:print-err *api-process-request-count*
;; 			  " parallel api requests being processed in process "
;; 			  (current-process-id))) ;;  ", throttling access"))
;;     (case (no-condition-db-with-db)
;;       ((production)(qryproc))
;;       ((suicide-mode)
;;        (handle-exceptions
;; 	exn
;; 	(with-output-to-file stop-train
;; 	  (lambda ()
;; 	    (db:generic-error-printout exn "Stop train mode, run-id: "run-id
;; 				       " params: "params" proc: "proc)))
;; 	(qryproc)))
;;       (else
;;        (condition-case
;; 	(qryproc)
;; 	(exn (io-error)
;; 	     (db:generic-error-printout exn "ERROR: i/o error with "fname
;; 					". Check permissions, disk space etc. and try again."))
;; 	(exn (corrupt)
;; 	     (db:generic-error-printout exn "ERROR: database "fname
;; 					" is corrupt. Repair it to proceed."))
;; 	(exn (busy)
;; 	     (db:generic-error-printout exn "ERROR: database "fname
;; 					" is locked. Try copying to another location,"
;; 					" remove original and copy back."))
;; 	(exn (permission)(db:generic-error-printout exn "ERROR: database "fname
;; 						    " has some permissions problem."))
;; 	(exn ()
;; 	     (db:generic-error-printout exn "ERROR: Unknown error with database "fname
;; 					" message: "
;; 					((condition-property-accessor 'exn 'message) exn))))))))

;;======================================================================
;; another attempt at a transactionized queue
;;======================================================================

;; ;; ;; (define *transaction-queues* (make-hash-table))
;; ;; ;; 
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;; to get the lock
;;
(define (dbfile:simple-file-lock fname #!key (expire-time 300))
  (let ((fmod-time (handle-exceptions
		       ext
		     (current-seconds)
		     (file-modification-time fname))))


    (if (file-exists? fname)
	(if (> (- (current-seconds) fmod-time) expire-time)
	    (begin

	      (handle-exceptions exn #f (delete-file* fname))	
	      (dbfile:simple-file-lock fname expire-time: expire-time))
	    #f)



	(let ((key-string (conc (get-host-name) "-" (current-process-id)))
	      (oup        (open-output-file fname)))
	  (with-output-to-port
	      oup
	    (lambda ()
	      (print key-string)))
	  (close-output-port oup)
	  #;(with-output-to-file fname ;; bizarre. with-output-to-file does not seem to be cleaning up after itself.
	    (lambda ()
	  (print key-string)))

	  (thread-sleep! 0.25)
	  (if (file-exists? fname)
	      (handle-exceptions exn
                #f 
                (with-input-from-file fname
	  	  (lambda ()
		    (equal? key-string (read-line)))))


	      #f)


       )
    )
  )
)

(define (dbfile:simple-file-lock-and-wait fname #!key (expire-time 300))
  (let ((end-time (+ expire-time (current-seconds))))







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;; to get the lock
;;
(define (dbfile:simple-file-lock fname #!key (expire-time 300))
  (let ((fmod-time (handle-exceptions
		       ext
		     (current-seconds)
		     (file-modification-time fname))))

    ;; if the file exists, if it has expired, delete it and call this function recursively.
    (if (file-exists? fname)
	(if (> (- (current-seconds) fmod-time) expire-time)
	    (begin
              (dbfile:print-err "simple-file-lock: removing expired file: " fname)
	      (handle-exceptions exn #f (delete-file* fname))	
	      (dbfile:simple-file-lock fname expire-time: expire-time))
	    #f
        )

        ;; If it doesn't exist, write the host name and process id to the file
	(let ((key-string (conc (get-host-name) "-" (current-process-id) ": " (argv)))
	      (oup        (open-output-file fname)))
	  (with-output-to-port
	      oup
	    (lambda ()
	      (print key-string)))
	  (close-output-port oup)


          ;; sleep 3 seconds and make sure it still exists and contains the same host/process id.
          ;; if not, return #f
	  (thread-sleep! 0.25)
	  (if (file-exists? fname)
	      (handle-exceptions exn
                #f 
                (with-input-from-file fname
	  	  (lambda ()
		    (equal? key-string (read-line)))))
              (begin
                 (dbfile:print-err "dbfile:simple-file-lock created " fname " but it was gone 3 seconds later")
	         #f
              )
          )
       )
    )
  )
)

(define (dbfile:simple-file-lock-and-wait fname #!key (expire-time 300))
  (let ((end-time (+ expire-time (current-seconds))))
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(define (dbfile:simple-file-release-lock fname)
  (handle-exceptions
      exn
      #f ;; I don't really care why this failed (at least for now)
    (delete-file* fname)))

(define (dbfile:with-simple-file-lock fname proc #!key (expire-time 300))

  (let ((gotlock (dbfile:simple-file-lock-and-wait fname expire-time: expire-time)))


    (if gotlock
	(let ((res (proc)))
	  (dbfile:simple-file-release-lock fname)
	  res)















	(assert #t "FATAL: simple file lock never got a lock."))))

  













)








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(define (dbfile:simple-file-release-lock fname)
  (handle-exceptions
      exn
      #f ;; I don't really care why this failed (at least for now)
    (delete-file* fname)))

(define (dbfile:with-simple-file-lock fname proc #!key (expire-time 300)(run-anyway #f))
  (let ((start-time (current-seconds))
        (gotlock (dbfile:simple-file-lock-and-wait fname expire-time: expire-time))
        (end-time (current-seconds))
        )
    (if gotlock
	(let ((res (proc)))
	  (dbfile:simple-file-release-lock fname)
	  res)
        (begin
          (dbfile:print-err "dbfile:with-simple-file-lock: " fname " is locked by "
			    (handle-exceptions
				exn
				"unreadable"
			      (with-input-from-file fname
				(lambda ()
				  (read-line)))))
          (dbfile:print-err "wait time = " (- end-time start-time))
	  (dbfile:print-err "ERROR: simple file lock could not get a lock for " fname " in " expire-time " seconds")
	  (if run-anyway
	      (let ((res (proc)))
		(dbfile:simple-file-release-lock fname)
		res)
	      #f)))))

(define *get-cache-stmth-mutex* (make-mutex))

(define (db:get-cache-stmth dbdat db stmt)
  (mutex-lock! *get-cache-stmth-mutex*)
  (let* (;; (dbdat       (dbfile:get-dbdat dbstruct run-id))
	 (stmt-cache  (dbr:dbdat-stmt-cache dbdat))
	 ;; (stmth       (db:hoh-get stmt-cache db stmt))
	 (stmth       (hash-table-ref/default stmt-cache stmt #f))
	 (result      (or stmth
			  (let* ((newstmth (sqlite3:prepare db stmt)))
			    ;; (db:hoh-set! stmt-cache db stmt newstmth)
			    (hash-table-set! stmt-cache stmt newstmth)
			    newstmth))))
    (mutex-unlock! *get-cache-stmth-mutex*)
    result))

)

Modified dbmod.scm from [043beb90c3] to [88b05b876a].


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;;======================================================================
;; Copyright 2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
>







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;;======================================================================
;; Copyright 2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit dbmod))




(module dbmod
	*
	
(import scheme chicken data-structures extras)





(import (prefix sqlite3 sqlite3:)


	posix typed-records srfi-18


	srfi-69)




























































































































































































































































(define (db:run-id->dbname run-id)










  (cond



   ((number? run-id)(conc run-id ".db"))









   ((not run-id)    "main.db")















   (else            run-id)))
























































;;======================================================================



;; hash of hashs



;;======================================================================




































































































































































(define (db:hoh-set! dat key1 key2 val)

  (let* ((subhash (hash-table-ref/default dat key1 #f)))


    (if subhash




	(hash-table-set! subhash key2 val)
















































	(begin




	  (hash-table-set! dat key1 (make-hash-table))











	  (db:hoh-set! dat key1 key2 val)))))















































(define (db:hoh-get dat key1 key2)














  (let* ((subhash (hash-table-ref/default dat key1 #f)))




    (and subhash




	 (hash-table-ref/default subhash key2 #f))))










































































































































)







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit dbmod))
(declare (uses dbfile))
(declare (uses commonmod))
(declare (uses debugprint))

(module dbmod
	*
	
(import scheme
	chicken
	data-structures
	extras
	files

	(prefix sqlite3 sqlite3:)
	matchable
	posix
	typed-records
	srfi-1
	srfi-18
	srfi-69

	commonmod
	dbfile
	debugprint
	)

;; NOTE: This returns only the name "1.db", "main.db", not the path
;;
(define (dbmod:run-id->dbfname run-id)
  (conc (dbfile:run-id->dbnum run-id)".db"))

(define (dbmod:get-dbdir dbstruct)
  (let* ((areapath (dbr:dbstruct-areapath dbstruct))
	 (dbdir    (conc areapath"/.mtdb")))
    (if (and (file-write-access? areapath)
	     (not (file-exists? dbdir)))
	(create-directory dbdir))
    dbdir))

(define (dbmod:run-id->full-dbfname dbstruct run-id)
  (conc (dbmod:get-dbdir dbstruct

			 run-id

			 )"/"(dbmod:run-id->dbfname run-id)))

;;======================================================================
;; Read-only cachedb cached direct from disk method
;;======================================================================

(define *dbmod:nfs-db-handles* (make-hash-table)) ;; dbfname -> dbstruct

;; called in rmt.scm nfs-transport-handler
(define (dbmod:nfs-get-dbstruct run-id keys init-proc areapath #!key (tmpadj ""))
  (assert areapath "FATAL: dbmod:nfs-get-dbstruct called without areapath set.")
  (let* ((dbfname  (dbmod:run-id->dbfname run-id))
	 (dbstruct (hash-table-ref/default *dbmod:nfs-db-handles* dbfname #f)))
    (if dbstruct
	dbstruct
	(let* ((newdbstruct (dbmod:open-dbmoddb areapath run-id dbfname init-proc keys syncdir: 'fromdisk tmpadj: tmpadj)))
	  (hash-table-set! *dbmod:nfs-db-handles* dbfname newdbstruct)
	  newdbstruct))))

;;======================================================================
;; The cachedb one-db file per server method goes in here
;;======================================================================

;; NOTE: the r/w is now w/r, #t=db modified by query, #f=db NOT modified by query
(define (dbmod:with-db dbstruct run-id w/r proc params)
  (let* ((use-mutex (or (and w/r ;; use the mutex on queries that modify the db and for sync to disk
			     (> *api-process-request-count* 5)) ;; when writes are happening throttle more
			(> *api-process-request-count* 50)))
	 (dbdat     (dbmod:open-db dbstruct run-id (dbfile:db-init-proc)))
	 (dbh       (dbr:dbdat-dbh dbdat)) ;; this will be the cachedb handle
	 (dbfile    (dbr:dbdat-dbfile dbdat)))
    ;; if nfs mode do a sync if delta > 2
    (let* ((last-update (dbr:dbstruct-last-update dbstruct))
	   (sync-proc   (dbr:dbstruct-sync-proc dbstruct))
	   (curr-secs   (current-seconds)))
      (if (> (- curr-secs last-update) 5)
	  (begin
	    (sync-proc last-update)

	    ;; MOVE THIS CALL TO INSIDE THE sync-proc CALL
	    (dbr:dbstruct-last-update-set! dbstruct curr-secs)
	    )))
    (assert (sqlite3:database? dbh) "FATAL: bad db handle in dbmod:with-db") 
    (if use-mutex (mutex-lock! *db-with-db-mutex*))
    (let* ((res (let loop ((count 3))
		  (condition-case
		   (apply proc dbdat dbh params)
		   (exn (busy)
			(if (> count 0)
			    (begin
			      (debug:print-info 0 *default-log-port* "dbmod:with-db, database is busy, will try "count" more times.")
			      (thread-sleep! 1)
			      (loop (- count 1)))
			    (begin
			      (debug:print-info 0 *default-log-port* "dbmod:with-db, database is busy, giving up.")
			      (exit 1))))
		   (exn ()
			(dbfile:print-err exn "ERROR: Unknown error with database for run-id "run-id", message: "
					  ((condition-property-accessor 'exn 'message) exn))
			(exit 2))))))
      (if use-mutex (mutex-unlock! *db-with-db-mutex*))
      res)))

(define (db:with-db dbstruct run-id w/r proc . params)
  (dbmod:with-db dbstruct run-id w/r proc params))

;; 
(define (dbmod:open-cachedb-db init-proc dbfullname)
  (let* ((db      (if dbfullname
		      (dbmod:safely-open-db dbfullname init-proc #t)
		      (sqlite3:open-database ":memory:")))
	 (handler (sqlite3:make-busy-timeout 136000)))
    (sqlite3:set-busy-handler! db handler)
    (init-proc db)
    db))

(define (dbmod:open-db dbstruct run-id dbinit)
  (or (dbr:dbstruct-dbdat dbstruct)
      (let* ((dbdat (make-dbr:dbdat
		     dbfile: (dbr:dbstruct-dbfile dbstruct)
		     dbh:    (dbr:dbstruct-cachedb  dbstruct)
		     )))
	(dbr:dbstruct-dbdat-set! dbstruct dbdat)
	dbdat)))

;; NOT USED?
(define (dbmod:need-on-disk-db-handle)
    (case (dbfile:cache-method)
      ((none tmp) #t)
      ((cachedb)
       (case (dbfile:sync-method)
	 ((original) #t)
	 ((attach)   #t) ;; we need it to force creation of the on-disk file - FIXME
	 (else
	  (debug:print 0 *default-log-port* "Unknown dbfile:sync-method setting: "
		       (dbfile:sync-method)))))
      (else
       (debug:print 0 *default-log-port* "Unknown dbfile:cache-method setting: "
		    (dbfile:cache-method))
       #f)))

(define (dbmod:safely-open-db dbfullname init-proc write-access)
  (dbfile:with-simple-file-lock
   (conc dbfullname".lock")
   (lambda ()
     (let* ((dbexists (file-exists? dbfullname))
	    (db       (sqlite3:open-database dbfullname))
	    (handler  (sqlite3:make-busy-timeout 136000)))
       (sqlite3:set-busy-handler! db handler)
       (if (and (not dbexists)
		write-access)
	   (init-proc db))
       db))
   run-anyway: #t))

(define *sync-in-progress* #f)

;; Open the cachedb db and the on-disk db
;; populate the cachedb db with data
;;
;; Updates fields in dbstruct
;; Returns dbstruct
;;
;; * This routine creates the db if not found
;; * Probably can get rid of the dbstruct-in
;; 
(define (dbmod:open-dbmoddb areapath run-id dbfname-in init-proc keys
			    #!key (dbstruct-in #f)
			    ;; (dbcontext 'megatest) ;; use dashboard to do the dashboard
			    (tmpadj  "")       ;; add to tmp path
			    (syncdir 'todisk)) ;; todisk is used when caching in /tmp and writing data back to MTRAH
  (let* ((dbstruct     (or dbstruct-in (make-dbr:dbstruct areapath: areapath)))
	 (dbfname      (or dbfname-in (dbmod:run-id->dbfname run-id)))
	 (dbpath       (dbmod:get-dbdir dbstruct))             ;; directory where all the .db files are kept
	 (dbfullname   (conc dbpath"/"dbfname)) ;; (dbmod:run-id->full-dbfname dbstruct run-id))
	 (dbexists     (file-exists? dbfullname))
	 (tmpdir       (dbfile:make-tmpdir-name areapath tmpadj))
	 (tmpdb        (let* ((fname (conc tmpdir"/"dbfname)))
			 fname))
	 (cachedb        (dbmod:open-cachedb-db init-proc
					    ;; (if (eq? (dbfile:cache-method) 'cachedb)
					    ;; 	#f
					    tmpdb
					    ;; )
					    ))
	 (write-access (file-write-access? dbpath))
	 (db           (dbmod:safely-open-db dbfullname init-proc write-access))
	 (tables       (db:sync-all-tables-list keys)))
    (if (not (and (sqlite3:database? cachedb)
		  (sqlite3:database? db)))
	(begin
	  (debug:print 0 *default-log-port* "ERROR: Failed to properly open "dbfname-in", exiting immediately.")
	  (exit)))    ;; (assert (sqlite3:database? cachedb) "FATAL: open-dbmoddb: cachedb is not a db")
    ;; (assert (sqlite3:database? db) "FATAL:  open-dbmoddb: db is not a db")
    (dbr:dbstruct-cachedb-set!     dbstruct cachedb)
    (dbr:dbstruct-ondiskdb-set!  dbstruct db)
    (dbr:dbstruct-dbfile-set!    dbstruct dbfullname)
    (dbr:dbstruct-dbtmpname-set! dbstruct tmpdb)
    (dbr:dbstruct-dbfname-set!   dbstruct dbfname)
    (dbr:dbstruct-sync-proc-set! dbstruct
				 (lambda (last-update)
				   (if *sync-in-progress*
				       (debug:print 3 *default-log-port* "WARNING: overlapping calls to sync to disk")
				       (let* ((syncer-logfile    (conc areapath"/logs/"dbfname"-syncer.log"))
					      (sync-cmd          (if (eq? syncdir 'todisk)
								     (conc "(NBFAKE_LOG="syncer-logfile" nbfake megatest -db2db -from "tmpdb" -to "dbfullname" -period 5 -timeout 10 > /dev/null 2&>1)&")
								     (conc "(NBFAKE_LOG="syncer-logfile" nbfake megatest -db2db -from "dbfullname" -to "tmpdb" -period 5 -timeout 10 > /dev/null 2&>1)&")))
					      (synclock-file     (conc dbfullname".lock"))
					      (syncer-running-file (conc dbfullname"-sync-running"))
					      (synclock-mod-time (if (file-exists? synclock-file)
								     (handle-exceptions
									 exn
								       #f
								       (file-modification-time synclock-file))
								     #f))
					      (thethread         (lambda ()
								   (thread-start!
								    (make-thread
								     (lambda ()
								       (set! *sync-in-progress* #t)
								       (debug:print-info "Running "sync-cmd)
								       (if (file-exists? syncer-running-file)
									   (debug:print-info 0 *default-log-port* "Syncer still running, skipping syncer start.")
									   (system sync-cmd))
								       (set! *sync-in-progress* #f)))))))
					 (if ((if (eq? syncdir 'todisk) < >) ;; use less than for todisk, greater than for from disk
					      (file-modification-time tmpdb)
					      (file-modification-time dbfullname))
					     (debug:print 4 *default-log-port* "Skipping sync, "tmpdb" older than "dbfullname)
					     (if synclock-mod-time
						 (if (< (- (current-seconds) synclock-mod-time) 20) ;; something wrong with sync, remove file
						     (begin
						       (handle-exceptions
							   exn
							 #f
							 (delete-file synclock-file))
						       (thethread))
						     (debug:print 0 *default-log-port* "Skipping sync, lockfile "synclock-file" found."))
						 (thethread)))))))
    ;; (dbmod:sync-tables tables #f db cachedb)
    ;; 
    (thread-sleep! 1) ;; let things settle before syncing in needed data
    (dbmod:sync-gasket tables #f cachedb db dbfullname 'fromdest keys) ;; ) ;; load into cachedb
    (dbr:dbstruct-last-update-set! dbstruct (+ (current-seconds) -10)) ;; should this be offset back in time by one second?
    dbstruct))

;;    (if (eq? syncdir 'todisk) ;; sync to disk normally, sync from in dashboard
;;        (dbmod:sync-tables tables last-update cachedb db)
;;        (dbmod:sync-tables tables last-update db cachedb))))
;;
;; direction: 'fromdest 'todest
;;
(define (dbmod:sync-gasket tables last-update cachedb dbh dbfname direction keys)
  (assert (sqlite3:database? cachedb) "FATAL: sync-gasket: cachedb is not a db")
  (assert (sqlite3:database? cachedb) "FATAL: sync-gasket: dbh is not a db")
  (debug:print-info 2 *default-log-port* "dbmod:sync-gasket called with sync-method="(dbfile:sync-method))
  (case (dbfile:sync-method)
    ((none) #f)
    ((attach)
     (dbmod:attach-sync tables cachedb dbfname direction))
    ((newsync)
     (dbmod:new-sync tables cachedb dbh dbfname direction))
    (else ;; original
     (case direction
       ((todisk) ;; i.e. from the cache db to the mtrah db
	(dbmod:sync-tables tables last-update keys cachedb dbh))
       (else
	(dbmod:sync-tables tables last-update keys dbh cachedb))))))

(define (dbmod:close-db dbstruct)
  ;; do final sync to disk file
  ;; (do-sync ...)
  (sqlite3:finalize! (dbr:dbstruct-ondiskdb dbstruct)))

;;======================================================================
;; Sync db
;;======================================================================

(define (dbmod:calc-use-last-update has-last-update fields last-update)
  (cond
   ((and has-last-update
	 (member "last_update" fields))
    #t) ;; if given a number, just use it for all fields
   ((number? last-update) #f) ;; if not matched first entry then ignore last-update for this table
   ((and (pair? last-update)
	 (member (car last-update)    ;; last-update field name
		 (map car fields)))
    #t)
   ((and last-update (not (pair? last-update)) (not (number? last-update)))
    (debug:print 0 *default-log-port* "ERROR: parameter last-update for db:sync-tables must be a pair or a number, received: " last-update);; found in fields
    #f)
   (else
    #f)))

;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;; dbs are sqlite3 db handles
;;
;; if last-update specified ("field-name" . time-in-seconds)
;;    then sync only records where field-name >= time-in-seconds
;;    IFF field-name exists
;;
;; Use (db:sync-all-tables-list keys) to get the tbls input
;;
(define (dbmod:sync-tables tbls last-update keys fromdb todb)
  (debug:print-info 2 *default-log-port* "dbmod:sync-tables called, from: "fromdb", to: "todb)
  (assert (sqlite3:database? fromdb) "FATAL: dbmod:sync-tables called with fromdb not a database" fromdb)
  (assert (sqlite3:database? todb) "FATAL: dbmod:sync-tables called with fromdb not a database" todb)
  (let ((stmts       (make-hash-table)) ;; table-field => stmt
	(all-stmts   '())              ;; ( ( stmt1 value1 ) ( stml2 value2 ))
	(numrecs     (make-hash-table))
	(start-time  (current-milliseconds))
	(tot-count   0))
    (for-each ;; table
     (lambda (tabledat)
       (let* ((tablename        (car tabledat))
	      (fields           (cdr tabledat))
	      (has-last-update  (member "last_update" fields))
	      (use-last-update  (dbmod:calc-use-last-update has-last-update fields last-update))
	      (last-update-value (if use-last-update ;; no need to check for has-last-update - it is already accounted for
				     (if (number? last-update)
					 last-update
					 (cdr last-update))
				     #f))
	      (last-update-field (if use-last-update
				     (if (number? last-update)
					 "last_update"
					 (car last-update))
				     #f))
	      (num-fields (length fields))
	      (field->num (make-hash-table))
	      (num->field (apply vector (map car fields))) ;; BBHERE
	      (full-sel   (conc "SELECT " (string-intersperse (map car fields) ",") 
				" FROM " tablename (if use-last-update ;; apply last-update criteria
						       (conc " WHERE " last-update-field " >= " last-update-value)
						       "")
				";"))
	      (full-ins   (conc "INSERT OR REPLACE INTO " tablename " ( " (string-intersperse (map car fields) ",") " ) "
				" VALUES ( " (string-intersperse (make-list num-fields "?") ",") " );"))
	      (fromdat    '())
	      (fromdats   '())
	      (totrecords 0)
	      (batch-len  100) ;; (string->number (or (configf:lookup *configdat* "sync" "batchsize") "100")))
	      (todat      (make-hash-table))
	      (count      0)
              (field-names (map car fields)))
	 
	 ;; set up the field->num table
	 (for-each
	  (lambda (field)
	    (hash-table-set! field->num field count)
	    (set! count (+ count 1)))
	  fields)
	 
	 ;; read the source table
         ;; store a list of all rows in the table in fromdat, up to batch-len.
         ;; Then add fromdat to the fromdats list, clear fromdat and repeat.
	 (sqlite3:for-each-row
	  (lambda (a . b)
	       (set! fromdat (cons (apply vector a b) fromdat))
	       (if (> (length fromdat) batch-len)
		   (begin
		     (set! fromdats (cons fromdat fromdats))
		     (set! fromdat  '())
		     (set! totrecords (+ totrecords 1)))))
	  fromdb
	  full-sel)
	 
         ;; Count less than batch-len as a record
         (if (> (length fromdat) 0)
             (set! totrecords (+ totrecords 1)))
	 
	 ;; tack on remaining records in fromdat
	 (if (not (null? fromdat))
	     (set! fromdats (cons fromdat fromdats)))
	 
	 (sqlite3:for-each-row
	  (lambda (a . b)
	    (hash-table-set! todat a (apply vector a b)))
	  todb
	  full-sel)
	 
	 ;; first pass implementation, just insert all changed rows
	 
	 (let* ((db                 todb)
                (drp-trigger        (if (member "last_update" field-names)
					(db:drop-trigger db tablename) 
					#f))
		(has-last-update    (member "last_update" field-names))
                (is-trigger-dropped (if has-last-update
                                        (db:is-trigger-dropped db tablename)
					#f)) 
		(stmth  (sqlite3:prepare db full-ins))
                (changed-rows 0))
	   (for-each
	    (lambda (fromdat-lst)
	      (mutex-lock! *db-transaction-mutex*)
	      (sqlite3:with-transaction
	       db
	       (lambda ()
		 (for-each ;; 
		  (lambda (fromrow)
		    (let* ((a    (vector-ref fromrow 0))
			   (curr (hash-table-ref/default todat a #f))
			   (same #t))
		      (let loop ((i 0))
			(if (or (not curr)
				(not (equal? (vector-ref fromrow i)(vector-ref curr i))))
			    (set! same #f))
			(if (and same
				 (< i (- num-fields 1)))
			    (loop (+ i 1))))
		      (if (not same)
			  (begin
			    (apply sqlite3:execute stmth (vector->list fromrow))
			    (hash-table-set! numrecs tablename (+ 1 (hash-table-ref/default numrecs tablename 0)))
			    (set! changed-rows (+ changed-rows 1))))))
		  fromdat-lst)))
	      (mutex-unlock! *db-transaction-mutex*))
	    fromdats)
		       ;; (debug:print 0 *default-log-port* "row="row)
	   
	   (sqlite3:finalize! stmth)
           (if (member "last_update" field-names)
               (db:create-trigger db tablename)))
	 ))
     tbls)
    (let* ((runtime      (- (current-milliseconds) start-time))
	   (should-print (or ;; (debug:debug-mode 12)
			  (common:low-noise-print 120 "db sync")
			  (> runtime 500)))) ;; low and high sync times treated as separate.
      (for-each 
       (lambda (dat)
	 (let ((tblname (car dat))
	       (count   (cdr dat)))
	   (set! tot-count (+ tot-count count)))) 
       (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
    tot-count))

(define (has-last-update dbh tablename)
  (let* ((has-last #f))
    (sqlite3:for-each-row
     (lambda (name)
       (if (equal? name "last_update")
	   (set! has-last #t)))
     dbh
     (conc "SELECT name FROM pragma_table_info('"tablename"') as tblInfo;"))
    has-last))

;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;;
;; direction = fromdest, todisk
;; mode = 'full, 'incr
;;
;; Idea: youngest in dest is last_update time
;;
(define (dbmod:attach-sync tables dbh destdbfile direction #!key
			   (mode 'full)
			   (no-update '("keys")) ;; do
			   )
  (let* ((num-changes 0)
	 (update-changed (lambda (num-changed table qryname)
			   (if (> num-changed 0)
			       (begin
				 (debug:print-info 0 *default-log-port* "Changed "num-changed" rows for table "table", qry "qryname)
				 (set! num-changes (+ num-changes num-changed)))))))
    (debug:print 0 *default-log-port* "Doing sync "direction" "destdbfile)
    (if (not (sqlite3:auto-committing? dbh))
	(debug:print 0 *default-log-port* "Skipping sync due to transaction in flight.")
	(let* ((table-names  (map car tables))
	       (dest-exists  (file-exists? destdbfile)))
	  (assert dest-exists "FATAL: sync called with non-existant file, "destdbfile)
	  ;; attach the destdbfile
	  ;; for each table
	  ;;    insert into dest.<table> select * from src.<table> where last_update>last_update
	  ;; done
	  (debug:print 0 *default-log-port* "Attaching "destdbfile" as auxdb")
	  (handle-exceptions
	      exn
	      (begin
		(debug:print 0 "ATTACH failed, exiting. exn="(condition->list exn))
		(exit 1))
	    (sqlite3:execute dbh (conc "ATTACH '"destdbfile"' AS auxdb;")))
	  (for-each
	   (lambda (table)
	     (let* ((tbldat (alist-ref table tables equal?))
		    (fields (map car tbldat))
		    (no-id-fields (filter (lambda (x)(not (equal? x "id"))) fields))
		    (fields-str (string-intersperse fields ","))
		    (no-id-fields-str (string-intersperse no-id-fields ","))
		    (dir    (eq? direction 'todisk))
		    (fromdb (if dir "main." "auxdb."))
		    (todb   (if dir "auxdb." "main."))
		    (set-str (string-intersperse
			      (map (lambda (field)
				     (conc fromdb field"="todb field))
				   fields)
			      ","))
		    (stmt1      (conc "INSERT OR IGNORE INTO "todb table
				      " SELECT * FROM "fromdb table";"))
		    (stmt2      (conc "INSERT OR IGNORE INTO "todb table
				      " SELECT * FROM "fromdb table" WHERE "fromdb table".id=?;"))
		    (stmt8      (conc "UPDATE "todb table" SET ("no-id-fields-str") = (SELECT "no-id-fields-str" FROM "fromdb table" WHERE "todb table".id="fromdb table".id"
				      (conc " AND "fromdb table".last_update > "todb table".last_update);")
				      ");"))
		    (stmt9      (conc "UPDATE "todb table" SET ("no-id-fields-str") = "
				      "(SELECT "no-id-fields-str" FROM "fromdb table" WHERE "fromdb table".id=?)"
				      " WHERE "todb table".id=?"))
		    (newrec     (conc "SELECT id FROM "fromdb table" WHERE id NOT IN (SELECT id FROM "todb table");"))
		    #;(changedrec (conc "SELECT id FROM "fromdb table" WHERE "fromdb table".last_update > "todb table".last_update AND "
		    fromdb table".id="todb table".id;")) ;; main = fromdb
		    (changedrec (conc "SELECT "fromdb table".id FROM "fromdb table" join "todb table" on "fromdb table".id="todb table".id WHERE "fromdb table".last_update > "todb table".last_update;"))
                                    ;; SELECT main.tests.id FROM main.tests join auxdb.tests on main.tests.id=auxdb.tests.id WHERE main.tests.last_update > auxdb.tests.last_update;"
		    (start-ms   (current-milliseconds))
		    (new-ids    (sqlite3:fold-row (lambda (res id)(cons id res)) '() dbh newrec)))
	       ;; (debug:print 0 *default-log-port* "Got "(length aux-ids)" in aux-ids and "(length main-ids)" in main-ids")
	       (update-changed (length new-ids) table "new records")
	       (mutex-lock! *db-transaction-mutex*)
	       (handle-exceptions
		   exn
		   (debug:print 0 *default-log-port* "Transaction update of "table" failed.")
		 (sqlite3:with-transaction
		  dbh
		  (lambda ()
		    (for-each (lambda (id)
				(sqlite3:execute dbh stmt2 id))
			      new-ids))))
	       
	       (if (member "last_update" fields)
		   (handle-exceptions
		       exn
		       (debug:print 0 *default-log-port* "Transaction update of "table" failed.")
		     (sqlite3:with-transaction
		      dbh
		      (lambda ()
			(let* ((changed-ids  (sqlite3:fold-row (lambda (res id)(cons id res)) '() dbh changedrec)))
			  (update-changed (length changed-ids) table "changed records")
			  (for-each (lambda (id)
				      (sqlite3:execute dbh stmt9 id id))
				    changed-ids))))))
		   
	       (mutex-unlock! *db-transaction-mutex*)
	       
	       (debug:print 0 *default-log-port* "Synced table "table
	        	    " in "(- (current-milliseconds) start-ms)"ms")
	       
	       ))
	   table-names)
	  (sqlite3:execute dbh "DETACH auxdb;")))
    num-changes))

;; prefix is "" or "auxdb."
;;
;; (define (dbmod:last-update-patch dbh prefix)
;;   (let ((
  
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
;;
;; direction = fromdest, todest
;; mode = 'full, 'incr
;;
;; Idea: youngest in dest is last_update time
;;
(define (dbmod:new-sync tables dbh1 dbh2 destdbfile direction #!key
			   (mode 'full))
  (debug:print 0 *default-log-port* "Doing new-sync "direction" "destdbfile)
  (if (not (sqlite3:auto-committing? dbh1))
      (debug:print 0 *default-log-port* "Skipping sync due to transaction in flight.")
      (let* ((table-names  (map car tables))
	     (dest-exists  (file-exists? destdbfile)))
	(assert dest-exists "FATAL: sync called with non-existant file, "destdbfile)
	(for-each
	 (lambda (table)
	   (let* ((tbldat (alist-ref table tables equal?))
		  (fields (map car tbldat))
		  (no-id-fields (filter (lambda (x)(not (equal? x "id"))) fields))
		  (questionmarks    (string-intersperse (make-list (length no-id-fields) "?") ","))
		  (fields-str       (string-intersperse fields ","))
		  (no-id-fields-str (string-intersperse no-id-fields ","))
		  (dir    (eq? direction 'todest))
		  (fromdb (if dir dbh1 dbh2))
		  (todb   (if dir dbh2 dbh1))
		  (set-str (string-intersperse
			    (map (lambda (field)
				   (conc fromdb field"="todb field))
				 fields)
			    ","))
		  ;; (stmt1 (conc "INSERT OR IGNORE INTO "todb table
		  ;; 	       " SELECT * FROM "fromdb table";"))
		  ;; (stmt8 (conc "UPDATE "todb table" SET ("no-id-fields-str") = (SELECT "no-id-fields-str" FROM "fromdb table " WHERE "todb table".id="fromdb table".id"
		  ;; 	       (if (member "last_update" fields)
		  ;; 		   (conc " AND "fromdb table".last_update > "todb table".last_update);")
		  ;; 		   ");")))
		  (stmt1    (conc "SELECT MAX(last_update) FROM "table";")) ;; use the highest last_update as your time reference
		  (stmt2    (conc "SELECT no-id-fields-str FROM "table" WHERE last_update>?;"))
		  (stmt3    (conc "UPDATE "table" SET ("no-id-fields-str") = ("questionmarks") WHERE id=?;"))
		  (start-ms (current-milliseconds)))
	     (debug:print 0 *default-log-port* "stmt3="stmt3)
	     (if (sqlite3:auto-committing? dbh1)
		 (begin
		   (sqlite3:with-transaction
		    dbh1
		    (lambda ()
		      (sqlite3:execute dbh1 stmt1)    ;; get all new rows

		      #;(if (member "last_update" fields)
			  (sqlite3:execute dbh1 stmt8))    ;; get all updated rows
		      ;; (sqlite3:execute dbh stmt5)
		      ;; (sqlite3:execute dbh stmt4) ;; if it worked this would be better for incremental up
		      ;; (sqlite3:execute dbh stmt6)
		      ))
		   (debug:print 0 *default-log-port* "Synced table "table
				" in "(- (current-milliseconds) start-ms)"ms"))
		 (debug:print 0 *default-log-port* "Skipping sync of table "table" due to transaction in flight."))))
	 table-names)
	(sqlite3:execute dbh1 "DETACH auxdb;"))))




;;======================================================================
;; Moved from dbfile
;;======================================================================

;; wait up to aprox n seconds for a journal to go away
;;
(define (tasks:wait-on-journal path n #!key (remove #f)(waiting-msg #f))
  (if (not (string? path))
      (debug:print-error 0 *default-log-port* "Called tasks:wait-on-journal with path=" path " (not a string)")
      (let ((fullpath (conc path "-journal")))
	(handle-exceptions
	 exn
	 (begin
	   (print-call-chain (current-error-port))
	   (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	   (debug:print 5 *default-log-port* " exn=" (condition->list exn))
	   (debug:print 0 *default-log-port* "tasks:wait-on-journal failed. Continuing on, you can ignore this call-chain")
	   #t) ;; if stuff goes wrong just allow it to move on
	 (let loop ((journal-exists (file-exists? fullpath))
		    (count          n)) ;; wait ten times ...
	   (if journal-exists
	       (begin
		 (if (and waiting-msg
			  (eq? (modulo n 30) 0))
		     (debug:print 0 *default-log-port* waiting-msg))
		 (if (> count 0)
		     (begin
		       (thread-sleep! 1)
		       (loop (file-exists? fullpath)
			     (- count 1)))
		     (begin
		       (debug:print 0 *default-log-port* "ERROR: removing the journal file " fullpath ", this is not good. Look for disk full, write access and other issues.")
		       (if remove (system (conc "rm -rf " fullpath)))
		       #f)))
	       #t))))))


;;======================================================================
;; M E T A   G E T   A N D   S E T   V A R S
;;======================================================================

;; returns number if string->number is successful, string otherwise
;; also updates *global-delta*
;;
(define (db:get-var dbstruct var)
  (let* ((res      #f))
    (db:with-db
     dbstruct #f #f  ;; for the moment vars are only stored in main.db
     (lambda (dbdat db)
       (sqlite3:for-each-row
        (lambda (val)
          (set! res val))
        db
        "SELECT val FROM metadat WHERE var=?;" var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val+1 WHERE var=?;" var))))

(define (db:dec-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute db "UPDATE metadat SET val=val-1 WHERE var=?;" var))))

;; This was part of db:get-var. It was used to estimate the load on
;; the database files.
;;
;; scale by 10, average with current value.
;;     (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
;; 						 (if throttle throttle 0.01)))
;; 			    2))
;;     (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute  (db:get-cache-stmth dbdat db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);")
				  var val))))

(define (db:add-var dbstruct var val)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute  (db:get-cache-stmth dbdat db "UPDATE metadat SET val=val+? WHERE var=?;") val var))))

(define (db:del-var dbstruct var)
  (db:with-db dbstruct #f #t 
	      (lambda (dbdat db)
		(sqlite3:execute  (db:get-cache-stmth dbdat db "DELETE FROM metadat WHERE var=?;") var))))

(define (db:get-toplevels-and-incompletes dbstruct run-id running-deadtime remotehoststart-deadtime)
  (let* ((toplevels   '())
	 (oldlaunched '())
	 (incompleted '()))
    (db:with-db 
     dbstruct run-id #t ;; not a write but problemtic
     (lambda (dbdat db)
       (let* ((stmth1 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('RUNNING');"))
	      (stmth2 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('REMOTEHOSTSTART');"))
	      (stmth3 (db:get-cache-stmth
		       dbdat db
		       "SELECT id,rundir,uname,testname,item_path FROM tests
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > 86400
                                          AND state IN ('LAUNCHED');")))
	 ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
	 ;;
	 ;; HOWEVER: this code in run:test seems to work fine
	 ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)
	 ;;                     (db:test-get-run_duration testdat)))
	 ;;                    600) 
	 (sqlite3:for-each-row 
	  (lambda (test-id run-dir uname testname item-path event-time run-duration)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(begin
		  (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		  (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted))
		  (debug:print-info 0 *default-log-port* "Found old test in RUNNING state, test-id="
				    test-id" exceeded running-deadtime "running-deadtime" now="(current-seconds)
				    " event-time="event-time" run-duration="run-duration))))
	  stmth1
	  run-id running-deadtime) ;; default time 720 seconds
	 
	 (sqlite3:for-each-row 
	  (lambda (test-id run-dir uname testname item-path event-time run-duration)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(begin
		  (set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		  (debug:print-info 0 *default-log-port* "Found old toplevel test in RUNNING state, test-id=" test-id))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in REMOTEHOSTSTART state, test-id=" test-id
				    " exceeded running-deadtime "running-deadtime" now="(current-seconds)" event-time="event-time
				    " run-duration="run-duration)
		  (set! incompleted (cons (list test-id run-dir uname testname item-path run-id) incompleted)))))
	  stmth2
	  run-id remotehoststart-deadtime) ;; default time 230 seconds
	 
	 ;; in LAUNCHED for more than one day. Could be long due to job queues TODO/BUG: Need override for this in config
	 (sqlite3:for-each-row
	  (lambda (test-id run-dir uname testname item-path)
	    (if (and (equal? uname "n/a")
		     (equal? item-path "")) ;; this is a toplevel test
		;; what to do with toplevel? call rollup?
		(set! toplevels   (cons (list test-id run-dir uname testname item-path run-id) toplevels))
		(begin
		  (debug:print-info 0 *default-log-port* "Found old test in LAUNCHED state, test-id=" test-id
				    " 1 day since event_time marked")
                  (set! oldlaunched (cons (list test-id run-dir uname testname item-path run-id) oldlaunched)))))
	  stmth3
	  run-id))))
    (list incompleted oldlaunched toplevels)))

;;======================================================================
;; db to db sync
;;======================================================================

(define (dbmod:db-to-db-sync src-db dest-db last-update init-proc keys)
  (if (and (file-exists? src-db) ;; can't proceed without a source
	   (file-read-access? src-db))
      (let* ((have-dest     (file-exists? dest-db))
	     (dest-file-wr  (and have-dest
				 (file-write-access? dest-db))) ;; exists and writable
	     (dest-dir      (or (pathname-directory dest-db)
				"."))
	     (dest-dir-wr   (and (file-exists? dest-dir)
				 (file-write-access? dest-dir)))
	     (d-wr          (or (and have-dest
				     dest-file-wr)
				dest-dir-wr))
	     (copied        (if (and (not have-dest)
				     dest-dir-wr)
				(begin
				  (file-copy src-db dest-db)
				  #t)
				#f)))
	(if copied
	    (begin
	      (debug:print-info 0 *default-log-port* "db-to-db-sync done with file-copy")
	      #t)
	    (let* ((tables (db:sync-all-tables-list keys))
		   (sdb    (dbmod:safely-open-db src-db init-proc #t))
		   (ddb    (dbmod:safely-open-db dest-db init-proc d-wr))
		   (res    (dbmod:sync-gasket tables last-update sdb ddb dest-db 'todisk keys)))
	      (sqlite3:finalize! sdb)
	      (sqlite3:finalize! ddb)
	      res)))
      #f))
)

Modified dcommon.scm from [eab340744b] to [b45e4a62f7].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================








(use format)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)
(import canvas-draw-iup)
(use regex typed-records matchable)

(declare (unit dcommon))

(declare (uses gutils))
(declare (uses db))
;; (declare (uses synchash))

(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")








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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(declare (unit dcommon))

(declare (uses gutils))
(declare (uses db))
(declare (uses commonmod))
(declare (uses rmtmod))

(use format)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)
(import canvas-draw-iup)
(use regex typed-records matchable)

(import commonmod
	rmtmod

	debugprint)


(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

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	     (max-row      (if (null? row-indices) 1 (common:max (map cadr row-indices))))
	     (max-col      (if (null? col-indices) 1 
			       (common:max (map cadr col-indices))))
	     (max-visible  (max (- (dboard:tabdat-num-tests tabdat) 15) 3))
	     (max-col-vis  (if (> max-col 10) 10 max-col))
	     (numrows      1)
	     (numcols      1))

	(iup:attribute-set! stats-matrix "CLEARVALUE" "CONTENTS")
	(iup:attribute-set! stats-matrix "NUMCOL" max-col )
	(iup:attribute-set! stats-matrix "NUMLIN" (if (< max-row max-visible) max-visible max-row)) ;; min of 20
	(iup:attribute-set! stats-matrix "NUMCOL_VISIBLE" max-col-vis)
	(iup:attribute-set! stats-matrix "NUMLIN_VISIBLE" (if (> max-row max-visible) max-visible max-row))
	;;(print "row-indices: " row-indices " col-indices: " col-indices)
	;; Row labels
	(for-each (lambda (ind)







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	     (max-row      (if (null? row-indices) 1 (common:max (map cadr row-indices))))
	     (max-col      (if (null? col-indices) 1 
			       (common:max (map cadr col-indices))))
	     (max-visible  (max (- (dboard:tabdat-num-tests tabdat) 15) 3))
	     (max-col-vis  (if (> max-col 10) 10 max-col))
	     (numrows      1)
	     (numcols      1))
	(if (common:low-noise-print 60 "runs-stats-update-clear")
	    (iup:attribute-set! stats-matrix "CLEARVALUE" "CONTENTS"))
	(iup:attribute-set! stats-matrix "NUMCOL" max-col )
	(iup:attribute-set! stats-matrix "NUMLIN" (if (< max-row max-visible) max-visible max-row)) ;; min of 20
	(iup:attribute-set! stats-matrix "NUMCOL_VISIBLE" max-col-vis)
	(iup:attribute-set! stats-matrix "NUMLIN_VISIBLE" (if (> max-row max-visible) max-visible max-row))
	;;(print "row-indices: " row-indices " col-indices: " col-indices)
	;; Row labels
	(for-each (lambda (ind)
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				     #:numcol 7
				     #:numcol-visible 7
				     #:numlin-visible 5
				     ))
	 (colnames       (list "Id" "MTver" "Pid" "Host" "Interface:OutPort" "RunTime" "State" "RunId"))
	 (updater        (lambda ()
			   (if (dashboard:monitor-changed? commondat tabdat)

			       (let ((servers  (server:choose-server *toppath* 'all-valid))) ;; (server:get-list *toppath* limit: 10)))

				 (iup:attribute-set! servers-matrix "NUMLIN" (length servers))
				 ;; (set! colnum 0)
				 ;; (for-each (lambda (colname)
				 ;;    	 ;; (print "colnum: " colnum " colname: " colname)
				 ;;    	 (iup:attribute-set! servers-matrix (conc "0:" colnum) colname)
				 ;;    	 (set! colnum (+ 1 colnum)))
				 ;;           colnames)







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				     #:numcol 7
				     #:numcol-visible 7
				     #:numlin-visible 5
				     ))
	 (colnames       (list "Id" "MTver" "Pid" "Host" "Interface:OutPort" "RunTime" "State" "RunId"))
	 (updater        (lambda ()
			   (if (dashboard:monitor-changed? commondat tabdat)
			       (let ((servers  (case (rmt:transport-mode)
						 ((http)(server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath* limit: 10)))
						 (else '()))))
				 (iup:attribute-set! servers-matrix "NUMLIN" (length servers))
				 ;; (set! colnum 0)
				 ;; (for-each (lambda (colname)
				 ;;    	 ;; (print "colnum: " colnum " colname: " colname)
				 ;;    	 (iup:attribute-set! servers-matrix (conc "0:" colnum) colname)
				 ;;    	 (set! colnum (+ 1 colnum)))
				 ;;           colnames)
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	     (or (> monitor-modtime *last-monitor-update-time*)
		 (> (- run-update-time *last-monitor-update-time*) 5))) ;; update every 1/2 minute just in case
	(begin
	  (set! *last-monitor-update-time* run-update-time) ;; monitor-modtime)
	  #t)
	#f)))

;; DOES NOT WORK RELIABLY WITH /tmp WAL mode files. Timestamps only change when the db
;; is closed (I think). If db dir starts with /tmp always return true
;;
(define (dashboard:database-changed? commondat tabdat #!key (context-key 'default))
  (let* ((run-update-time (current-seconds))
	 (dbdir           (dboard:tabdat-dbdir tabdat))
	 (modtime         (dashboard:get-youngest-run-db-mod-time dbdir))
	 (recalc          (dashboard:recalc modtime 
					    (dboard:commondat-please-update commondat) 
					    (dboard:get-last-db-update tabdat context-key))))
    ;; (dboard:tabdat-last-db-update tabdat))))
    (if recalc 
	(dboard:set-last-db-update! tabdat context-key run-update-time))
    (dboard:commondat-please-update-set! commondat #f)
    recalc))

(define (dashboard:get-youngest-run-db-mod-time dbdir)
  (handle-exceptions
   exn
   (begin
     (debug:print 2 *default-log-port* "WARNING: error in accessing databases in get-youngest-run-db-mod-time: " ((condition-property-accessor 'exn 'message) exn)
		  " db-dir="dbdir ", exn=" exn)
     (current-seconds)) ;; something went wrong - just print an error and return current-seconds
   (common:max (map (lambda (filen)
		      (file-modification-time filen))
		    (glob (conc dbdir "/*.db*"))))))

(define (dboard:get-last-db-update tabdat context)
  (hash-table-ref/default (dboard:tabdat-last-db-update tabdat) context 0))

(define (dboard:set-last-db-update! tabdat context newtime)
  (hash-table-set! (dboard:tabdat-last-db-update tabdat) context newtime))








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	     (or (> monitor-modtime *last-monitor-update-time*)
		 (> (- run-update-time *last-monitor-update-time*) 5))) ;; update every 1/2 minute just in case
	(begin
	  (set! *last-monitor-update-time* run-update-time) ;; monitor-modtime)
	  #t)
	#f)))




























(define (dboard:get-last-db-update tabdat context)
  (hash-table-ref/default (dboard:tabdat-last-db-update tabdat) context 0))

(define (dboard:set-last-db-update! tabdat context newtime)
  (hash-table-set! (dboard:tabdat-last-db-update tabdat) context newtime))

Modified debugprint.scm from [54f7083883] to [b5deae7454].

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(declare (unit debugprint))
(declare (uses mtargs))

(module debugprint
	*
	
;;(import scheme chicken data-structures extras files ports)


  (import
    scheme
    chicken
    data-structures
    posix
    ports
    extras
    





    ;; scheme
    ;; chicken.base
    ;; chicken.string
    ;; chicken.time
    ;; chicken.time.posix
    ;; chicken.port
    ;; chicken.process-context
    ;; chicken.process-context.posix
    
    (prefix mtargs args:)
    srfi-1

    ;; system-information

    )
  
;;======================================================================
;; debug stuff
;;======================================================================

(define verbosity (make-parameter '()))
(define *default-log-port*  (current-error-port))
(define debug:print-logger (make-parameter #f)) ;; set to a proc to call on every logging print
	 
(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
      		      (args:get-arg "-debug-noprop")
      		      (get-environment-variable "MT_DEBUG_MODE"))))
    (verbosity (debug:calc-verbosity debugstr 'q))
    (debug:check-verbosity (verbosity) debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not (verbosity))(verbosity 1))
    (if (and (not (args:get-arg "-debug-noprop"))
      	     (or (args:get-arg "-debug")
      		 (not (get-environment-variable "MT_DEBUG_MODE"))))
      	(setenv #;set-environment-variable! "MT_DEBUG_MODE" (if (list? (verbosity))
      				    (string-intersperse (map conc (verbosity)) ",")
      				    (conc (verbosity)))))))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
     	       (list?   verbosity)))







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(declare (unit debugprint))
(declare (uses mtargs))

(module debugprint
	*
	
(import scheme)
(cond-expand
 (chicken-4
  (import
    scheme
    chicken
    data-structures
    posix
    ports
    extras
    (prefix mtargs args:)
    srfi-1
    ;; system-information
    ))
 (chicken-5
  (import
    scheme
    chicken.base
    chicken.string
    chicken.time
    chicken.time.posix
    chicken.port
    chicken.process-context
    chicken.process-context.posix


    srfi-1
    (prefix mtargs args:))

  (define setenv set-environment-variable!)
  ))
  
;;======================================================================
;; debug stuff
;;======================================================================

(define verbosity (make-parameter '()))
(define *default-log-port*  (current-error-port))
(define debug:print-logger (make-parameter #f)) ;; set to a proc to call on every logging print

(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
      		      (args:get-arg "-debug-noprop")
      		      (get-environment-variable "MT_DEBUG_MODE"))))
    (verbosity (debug:calc-verbosity debugstr 'q))
    (debug:check-verbosity (verbosity) debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not (verbosity))(verbosity 1))
    (if (and (not (args:get-arg "-debug-noprop"))
      	     (or (args:get-arg "-debug")
      		 (not (get-environment-variable "MT_DEBUG_MODE"))))
      	(setenv "MT_DEBUG_MODE" (if (list? (verbosity))
      				    (string-intersperse (map conc (verbosity)) ",")
      				    (conc (verbosity)))))))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
     	       (list?   verbosity)))
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	   (list? n))
      (not (null? (lset-intersection! eq? vb n))))
     ((and (number? vb)
	   (list? n))
      (member vb n))
     (else #f))))

(define (debug:handle-remote-logging params)
  (if (debug:print-logger) ;; NOTE: turn params into string to keep things simple for now
      ((debug:print-logger)(conc "REMOTE ("(get-host-name)", pid="(current-process-id)") "
				 (string-intersperse (map conc params) " ") "; "
				 (string-intersperse (command-line-arguments) " ")))))

(define debug:enable-timestamp (make-parameter #t))

(define (debug:timestamp)
  (if (debug:enable-timestamp)
      (conc (time->string 
	     (seconds->local-time (current-seconds)) "%H:%M:%S") " ")







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	   (list? n))
      (not (null? (lset-intersection! eq? vb n))))
     ((and (number? vb)
	   (list? n))
      (member vb n))
     (else #f))))

;; (define (debug:handle-remote-logging params)
;;   (if (debug:print-logger) ;; NOTE: turn params into string to keep things simple for now
;;       ((debug:print-logger)(conc "REMOTE ("(get-host-name)", pid="(current-process-id)") "
;; 				 (string-intersperse (map conc params) " ") "; "
;; 				 (string-intersperse (command-line-arguments) " ")))))

(define debug:enable-timestamp (make-parameter #t))

(define (debug:timestamp)
  (if (debug:enable-timestamp)
      (conc (time->string 
	     (seconds->local-time (current-seconds)) "%H:%M:%S") " ")

Modified diff-report.scm from [f999ffe6db] to [ce1fe2b5f1].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(declare (unit diff-report))
(declare (uses common))

(declare (uses rmt))





         
(include "common_records.scm")
(use matchable)
(use fmt)
(use ducttape-lib)
(define css "")








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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(declare (unit diff-report))
(declare (uses common))
(declare (uses debugprint))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses commonmod))
(import commonmod
	rmtmod
	debugprint)
         
(include "common_records.scm")
(use matchable)
(use fmt)
(use ducttape-lib)
(define css "")

Modified docs/manual/bisecting.png from [81573d185b] to [bd3e81c898].

cannot compute difference between binary files

Modified docs/manual/megatest-test-stages.png from [e53ee8abbe] to [81fa066a5e].

cannot compute difference between binary files

Modified docs/manual/megatest_manual.html from [e1b85635a3] to [b4f1973471].

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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="generator" content="AsciiDoc 8.6.7">
<title>The Megatest Users Manual</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */

/* Default font. */
body {
  font-family: Georgia,serif;




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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="generator" content="AsciiDoc 9.0.0rc1">
<title>The Megatest Users Manual</title>
<style type="text/css">
/* Shared CSS for AsciiDoc xhtml11 and html5 backends */

/* Default font. */
body {
  font-family: Georgia,serif;
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ul, ol, li > p {
  margin-top: 0;
}
ul > li     { color: #aaa; }
ul > li > * { color: black; }

pre {



  padding: 0;
  margin: 0;
}




#author {
  color: #527bbd;
  font-weight: bold;
  font-size: 1.1em;
}
#email {







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ul, ol, li > p {
  margin-top: 0;
}
ul > li     { color: #aaa; }
ul > li > * { color: black; }

.monospaced, code, pre {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
  padding: 0;
  margin: 0;
}
pre {
  white-space: pre-wrap;
}

#author {
  color: #527bbd;
  font-weight: bold;
  font-size: 1.1em;
}
#email {
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div.exampleblock > div.content {
  border-left: 3px solid #dddddd;
  padding-left: 0.5em;
}

div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; }
a.image:visited { color: white; }

dl {
  margin-top: 0.8em;
  margin-bottom: 0.8em;
}
dt {







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div.exampleblock > div.content {
  border-left: 3px solid #dddddd;
  padding-left: 0.5em;
}

div.imageblock div.content { padding-left: 0; }
span.image img { border-style: none; vertical-align: text-bottom; }
a.image:visited { color: white; }

dl {
  margin-top: 0.8em;
  margin-bottom: 0.8em;
}
dt {
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/*
 * xhtml11 specific
 *
 * */

tt {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
}

div.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
div.tableblock > table {
  border: 3px solid #527bbd;
}
thead, p.table.header {
  font-weight: bold;
  color: #527bbd;
}
p.table {
  margin-top: 0;
}
/* Because the table frame attribute is overriden by CSS in most browsers. */
div.tableblock > table[frame="void"] {
  border-style: none;
}
div.tableblock > table[frame="hsides"] {
  border-left-style: none;
  border-right-style: none;
}
div.tableblock > table[frame="vsides"] {
  border-top-style: none;
  border-bottom-style: none;
}


/*
 * html5 specific
 *
 * */

.monospaced {
  font-family: "Courier New", Courier, monospace;
  font-size: inherit;
  color: navy;
}

table.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
thead, p.tableblock.header {
  font-weight: bold;
  color: #527bbd;







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/*
 * xhtml11 specific
 *
 * */







div.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
div.tableblock > table {
  border: 3px solid #527bbd;
}
thead, p.table.header {
  font-weight: bold;
  color: #527bbd;
}
p.table {
  margin-top: 0;
}
/* Because the table frame attribute is overridden by CSS in most browsers. */
div.tableblock > table[frame="void"] {
  border-style: none;
}
div.tableblock > table[frame="hsides"] {
  border-left-style: none;
  border-right-style: none;
}
div.tableblock > table[frame="vsides"] {
  border-top-style: none;
  border-bottom-style: none;
}


/*
 * html5 specific
 *
 * */







table.tableblock {
  margin-top: 1.0em;
  margin-bottom: 1.5em;
}
thead, p.tableblock.header {
  font-weight: bold;
  color: #527bbd;
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body.manpage div.sectionbody {
  margin-left: 3em;
}

@media print {
  body.manpage div#toc { display: none; }
}


@media screen {
  body {
    max-width: 50em; /* approximately 80 characters wide */
    margin-left: 16em;
  }

  #toc {







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body.manpage div.sectionbody {
  margin-left: 3em;
}

@media print {
  body.manpage div#toc { display: none; }
}


@media screen {
  body {
    max-width: 50em; /* approximately 80 characters wide */
    margin-left: 16em;
  }

  #toc {
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<pre>(setenv SOMEVAR 123;runcmd.sh)

# OR

env SOMEVAR=123 runcmd.sh</pre>
</div></div>
</div>








</div>
</div>
</div>
<div class="sect1">
<h2 id="_how_to_do_things">How To Do Things</h2>
<div class="sectionbody">
<div class="sect2">







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<pre>(setenv SOMEVAR 123;runcmd.sh)

# OR

env SOMEVAR=123 runcmd.sh</pre>
</div></div>
</div>
<div class="sect3">
<h4 id="_capturing_output_from_a_command">Capturing output from a command</h4>
<div class="literalblock">
<div class="title">Use the "script" utility</div>
<div class="content monospaced">
<pre>script -c "virtuoso -params and switches ..."</pre>
</div></div>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_how_to_do_things">How To Do Things</h2>
<div class="sectionbody">
<div class="sect2">
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</div></div>
</div>
<div class="sect2">
<h3 id="_trim_trailing_spaces">Trim trailing spaces</h3>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">As of Megatest version v1.6548 trim-trailing-spaces defaults to yes.</td>
</tr></table>
</div>
<div class="listingblock">
<div class="content monospaced">
<pre>[configf:settings trim-trailing-spaces no]







|







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</div></div>
</div>
<div class="sect2">
<h3 id="_trim_trailing_spaces">Trim trailing spaces</h3>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">As of Megatest version v1.6548 trim-trailing-spaces defaults to yes.</td>
</tr></table>
</div>
<div class="listingblock">
<div class="content monospaced">
<pre>[configf:settings trim-trailing-spaces no]
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<h5 id="_run_time_limit">Run time limit</h5>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]
# this will automatically kill the test if it runs for more than 1h 2m and 3s
runtimelim 1h 2m 3s</pre>
</div></div>















</div>
</div>
</div>
<div class="sect2">
<h3 id="_tests_browser_view">Tests browser view</h3>
<div class="paragraph"><p>The tests browser (see the Run Control tab on the dashboard) has two views for displaying the tests.</p></div>
<div class="olist arabic"><ol class="arabic">







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<h5 id="_run_time_limit">Run time limit</h5>
<div class="listingblock">
<div class="content monospaced">
<pre>[setup]
# this will automatically kill the test if it runs for more than 1h 2m and 3s
runtimelim 1h 2m 3s</pre>
</div></div>
</div>
<div class="sect4">
<h5 id="_post_run_hook">Post Run Hook</h5>
<div class="paragraph"><p>This runs script to-run.sh after all tests have been completed. It is
not necessary to use -run-wait as each test will check for other
running tests on completion and if there are none it will call the
post run hook.</p></div>
<div class="paragraph"><p>Note that the output from the script call will be placed in a log file
in the logs directory with a file name derived by replacing / with _
in post-hook-&lt;target&gt;-&lt;runname&gt;.log.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[runs]
post-hook /path/to/script/to-run.sh</pre>
</div></div>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_tests_browser_view">Tests browser view</h3>
<div class="paragraph"><p>The tests browser (see the Run Control tab on the dashboard) has two views for displaying the tests.</p></div>
<div class="olist arabic"><ol class="arabic">
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<pre># A normal waiton waits for the prior tests to be COMPLETED
# and PASS, CHECK or WAIVED
waiton test1 test2</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">Dynamic waiton lists must be capable of being calculated at the
beginning of a run. This is because Megatest walks the tree of waitons
to create the list of tests to execute.</td>
</tr></table>
</div>
<div class="listingblock">







|







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<pre># A normal waiton waits for the prior tests to be COMPLETED
# and PASS, CHECK or WAIVED
waiton test1 test2</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">Dynamic waiton lists must be capable of being calculated at the
beginning of a run. This is because Megatest walks the tree of waitons
to create the list of tests to execute.</td>
</tr></table>
</div>
<div class="listingblock">
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lookittmp   ls /tmp

[logpro]
lookittmp ;; Note: config file format supports multi-line entries where leading whitespace is removed from each line
  ;;     a blank line indicates the end of the block of text
  (expect:required in "LogFileBody" &gt; 0 "A file name that should never exist!" #/This is a awfully stupid file name that should never be found in the temp dir/)</pre>
</div></div>
<div class="paragraph"><p>To transfer the environment to the next step you can do the following:</p></div>
# if your upstream file is csh you can force csh like this
# if your upstream is bash
loadenv     source $REF/ourenviron.sh

<div class="listingblock">
<div class="title">Propagate environment to next step</div>
<div class="content monospaced">
<pre>$MT_MEGATEST -env2file .ezsteps/${stepname}</pre>
</div></div>
</div>
<div class="sect2">







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lookittmp   ls /tmp

[logpro]
lookittmp ;; Note: config file format supports multi-line entries where leading whitespace is removed from each line
  ;;     a blank line indicates the end of the block of text
  (expect:required in "LogFileBody" &gt; 0 "A file name that should never exist!" #/This is a awfully stupid file name that should never be found in the temp dir/)</pre>
</div></div>
<div class="paragraph"><p>To transfer the environment to the next step you can do the following:
# if your upstream file is csh you can force csh like this
# if your upstream is bash
loadenv     source $REF/ourenviron.sh</p></div>

<div class="listingblock">
<div class="title">Propagate environment to next step</div>
<div class="content monospaced">
<pre>$MT_MEGATEST -env2file .ezsteps/${stepname}</pre>
</div></div>
</div>
<div class="sect2">
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<div class="content monospaced">
<pre>[triggers]
COMPLETED/ xterm -e bash -s --</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/nfs/pdx/disks/ice.disk.002/icfadm/pkgs/asciidoc/8.6.7/images/icons/note.png" alt="Note">
</td>
<td class="content">There is a trailing space after the double-dash</td>
</tr></table>
</div>
<div class="paragraph"><p>There are a number of environment variables available to the trigger script
but since triggers can be called in various contexts not all variables are
available at all times. The trigger script should check for the variable and







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<div class="content monospaced">
<pre>[triggers]
COMPLETED/ xterm -e bash -s --</pre>
</div></div>
<div class="admonitionblock">
<table><tr>
<td class="icon">
<img src="/usr/images/icons/note.png" alt="Note">
</td>
<td class="content">There is a trailing space after the double-dash</td>
</tr></table>
</div>
<div class="paragraph"><p>There are a number of environment variables available to the trigger script
but since triggers can be called in various contexts not all variables are
available at all times. The trigger script should check for the variable and
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</div>
</div>
</div>
<div id="footnotes"><hr></div>
<div id="footer">
<div id="footer-text">
Version 1.5<br>
Last updated 2020-09-08 08:39:29 PDT

</div>
</div>
</body>
</html>







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</div>
</div>
</div>
<div id="footnotes"><hr></div>
<div id="footer">
<div id="footer-text">
Version 1.5<br>
Last updated
 2023-01-23 11:18:29 EST
</div>
</div>
</body>
</html>

Modified docs/manual/megatest_manual.pdf from [8fe19d594b] to [b233d5d322].

cannot compute difference between binary files

Modified docs/manual/server.png from [ae7d7ee58e] to [9e74f6d324].

cannot compute difference between binary files

Modified docs/megatest-training.odp from [f923ec026f] to [3a112130cd].

cannot compute difference between binary files

Added docs/reference/coping-with-the-tcp-time-wait-state-on-busy-linux-servers.pdf version [bb7c60045d].

cannot compute difference between binary files

Added docs/reference/networking-increasing-the-max-number-of-tcp-ip-connections.pdf version [c3bfe57256].

cannot compute difference between binary files

Added docs/reference/queues-dont-fix-overload.pdf version [938610cb6e].

cannot compute difference between binary files

Modified env.scm from [028e47144f] to [84be7d5a91].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit env))







(use sql-de-lite) ;; srfi-1 posix regex regex-case srfi-69 srfi-18 call-with-environment-variables)

(define (env:open-db fname)
  (let* ((db-exists (common:file-exists? fname))
	 (db        (open-database fname)))
    (if (not db-exists)







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit env))

(declare (uses debugprint))
(declare (uses mtargs))

(import (prefix mtargs args:)
	debugprint)

(use sql-de-lite) ;; srfi-1 posix regex regex-case srfi-69 srfi-18 call-with-environment-variables)

(define (env:open-db fname)
  (let* ((db-exists (common:file-exists? fname))
	 (db        (open-database fname)))
    (if (not db-exists)

Modified ezsteps.scm from [aab87817a5] to [00800cd5a5].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use srfi-1 posix regex srfi-69 directory-utils call-with-environment-variables posix-extras
     z3 csv typed-records pathname-expand matchable)

(declare (unit ezsteps))
(declare (uses db))
(declare (uses common))

(declare (uses items))
(declare (uses runconfig))

;; (declare (uses sdb))
;; (declare (uses filedb))









(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")


;;(rmt:get-test-info-by-id run-id test-id) -> testdat

;; TODO: deprecate me in favor of ezsteps.scm
;;
(define (launch:runstep ezstep run-id test-id exit-info m tal testconfig all-steps-dat)
  (let* ((stepname       (car ezstep))  ;; do stuff to run the step
	 (stepinfo       (cadr ezstep))
	;; (let ((info (cadr ezstep)))
	;; 		   (if (proc? info) "" info)))
	;; (stepproc       (let ((info (cadr ezstep)))
	;; 		   (if (proc? info) info #f)))
	 (stepparts      (string-match (regexp "^(\\{([^\\}\\{]*)\\}\\s*|)(.*)$") stepinfo))







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')




(declare (unit ezsteps))
(declare (uses db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))
(declare (uses rmtmod))
(declare (uses mtargs))

(use srfi-1 posix regex srfi-69 directory-utils call-with-environment-variables posix-extras
     z3 csv typed-records pathname-expand matchable)

(import commonmod
	debugprint
	rmtmod
	(prefix mtargs args:))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")


;;(rmt:get-test-info-by-id run-id test-id) -> testdat

;; TODO: deprecate me in favor of ezsteps.scm
;;
(define (ezsteps:runstep ezstep run-id test-id exit-info m tal testconfig all-steps-dat)
  (let* ((stepname       (car ezstep))  ;; do stuff to run the step
	 (stepinfo       (cadr ezstep))
	;; (let ((info (cadr ezstep)))
	;; 		   (if (proc? info) "" info)))
	;; (stepproc       (let ((info (cadr ezstep)))
	;; 		   (if (proc? info) info #f)))
	 (stepparts      (string-match (regexp "^(\\{([^\\}\\{]*)\\}\\s*|)(.*)$") stepinfo))
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			     (list-ref stepparts 3)
			     (conc "# error, no command for step "stepname)))
	 (script         "") ; "#!/bin/bash\n") ;; yep, we depend on bin/bash FIXME!!!\
	 (logpro-file    (conc stepname ".logpro"))
	 (html-file      (conc stepname ".html"))
	 (dat-file       (conc stepname ".dat"))
	 (tconfig-logpro (configf:lookup testconfig "logpro" stepname))
	 (logpro-used    (common:file-exists? logpro-file)))

    (setenv "MT_STEP_NAME" stepname)
    (hash-table-set! all-steps-dat stepname `((params . ,paramparts)))
    (debug:print 0 *default-log-port* "stepparts: " stepparts ", stepparams: " stepparams
                 ", paramparts: " paramparts ", subrun: " subrun ", stepcmd: " stepcmd)
    
    (if (and tconfig-logpro
	     (not logpro-used)) ;; no logpro file found but have a defn in the testconfig







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			     (list-ref stepparts 3)
			     (conc "# error, no command for step "stepname)))
	 (script         "") ; "#!/bin/bash\n") ;; yep, we depend on bin/bash FIXME!!!\
	 (logpro-file    (conc stepname ".logpro"))
	 (html-file      (conc stepname ".html"))
	 (dat-file       (conc stepname ".dat"))
	 (tconfig-logpro (configf:lookup testconfig "logpro" stepname))
	 (logpro-used    (common:file-exists? logpro-file))
	 (mtexepath      (common:get-megatest-exe-path)))
    (setenv "MT_STEP_NAME" stepname)
    (hash-table-set! all-steps-dat stepname `((params . ,paramparts)))
    (debug:print 0 *default-log-port* "stepparts: " stepparts ", stepparams: " stepparams
                 ", paramparts: " paramparts ", subrun: " subrun ", stepcmd: " stepcmd)
    
    (if (and tconfig-logpro
	     (not logpro-used)) ;; no logpro file found but have a defn in the testconfig
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    ;; call the command using mt_ezstep
    ;; (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "x") " " stepcmd))
    
    (debug:print 4 *default-log-port* "script: " script)
    (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f)
    ;; now launch the actual process
    (call-with-environment-variables 
     (list (cons "PATH" (conc (get-environment-variable "PATH") ":.")))
     (lambda () ;; (process-run "/bin/bash" "-c" "exec ls -l /tmp/foobar > /tmp/delme-more.log 2>&1")
       (let* ((cmd (conc stepcmd " > " stepname ".log 2>&1")) ;; >outfile 2>&1 
	      (pid #f))
	 (let ((proc (lambda ()
		       (set! pid (process-run "/bin/bash" (list "-c" cmd))))))
	   (if subrun
               (begin







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    ;; call the command using mt_ezstep
    ;; (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "x") " " stepcmd))
    
    (debug:print 4 *default-log-port* "script: " script)
    (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f)
    ;; now launch the actual process
    (call-with-environment-variables 
     (list (cons "PATH" mtexepath))
     (lambda () ;; (process-run "/bin/bash" "-c" "exec ls -l /tmp/foobar > /tmp/delme-more.log 2>&1")
       (let* ((cmd (conc stepcmd " > " stepname ".log 2>&1")) ;; >outfile 2>&1 
	      (pid #f))
	 (let ((proc (lambda ()
		       (set! pid (process-run "/bin/bash" (list "-c" cmd))))))
	   (if subrun
               (begin

Modified genexample.scm from [c6a2ab2853] to [1c75f5d6f9].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit genexample))




(use posix regex matchable)




(include "db_records.scm")

(define genexample:example-logpro
#<<EOF
  ;; You should have at least one expect:required. This ensures that your process ran
  ;; comment out the line below and replace "put pattern here" with a pattern that will







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit genexample))
(declare (uses mtargs))
(declare (uses debugprint))
(declare (uses rmtmod))

(use posix regex matchable)
(import (prefix mtargs args:)
	rmtmod
	debugprint)

(include "db_records.scm")

(define genexample:example-logpro
#<<EOF
  ;; You should have at least one expect:required. This ensures that your process ran
  ;; comment out the line below and replace "put pattern here" with a pattern that will

Deleted http-transport.scm version [84bebe0a7c].

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;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

(require-extension (srfi 18) extras tcp s11n)


(use  srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest posix-extras)

(use spiffy uri-common intarweb http-client spiffy-request-vars intarweb spiffy-directory-listing)

;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048) 

(declare (unit http-transport))

(declare (uses common))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses server))
;; (declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))
(declare (uses dbfile))
(declare (uses commonmod))

(include "common_records.scm")
(include "db_records.scm")
(include "js-path.scm")

(import dbfile commonmod)

(require-library stml)
(define (http-transport:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define *server-loop-heart-beat* (current-seconds))

;;======================================================================
;; S E R V E R
;; ======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (http-transport:run hostn)
  ;; Configurations for server
  (tcp-buffer-size 2048)
  (max-connections 2048) 
  (debug:print 2 *default-log-port* "Attempting to start the server ...")
  (let* ((db              #f) ;;        (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
	 (hostname        (get-host-name))
	 (ipaddrstr       (let ((ipstr (if (string=? "-" hostn)
					   ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
					   (server:get-best-guess-address hostname)
					   #f)))
			    (if ipstr ipstr hostn))) ;; hostname))) 
	 (start-port      (portlogger:open-run-close portlogger:find-port))
	 (link-tree-path  (common:get-linktree))
	 (tmp-area        (common:get-db-tmp-area))
	 (start-file      (conc tmp-area "/.server-start")))
    (debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port)
    ;; set some parameters for the server
    (root-path     (if link-tree-path 
		       link-tree-path
		       (current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
    (handle-directory spiffy-directory-listing)
    (handle-exception (lambda (exn chain)
			(signal (make-composite-condition
				 (make-property-condition 
				  'server
				  'message "server error")))))

    ;; http-transport:handle-directory) ;; simple-directory-handler)
    ;; Setup the web server and a /ctrl interface
    ;;
    (vhost-map `(((* any) . ,(lambda (continue)
			       ;; open the db on the first call 
				 ;; This is were we set up the database connections
			       (let* (($   (request-vars source: 'both))
				      (dat ($ 'dat))
				      (res #f))
				 (cond
				  ((equal? (uri-path (request-uri (current-request)))
					   '(/ "api"))
				   (send-response body:    (api:process-request *dbstruct-dbs* $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *db-last-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "json_api"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ any))
				   (send-response body: "hey there!\n"
						  headers: '((content-type text/plain))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "hey"))
				   (send-response body: "hey there!\n" 
						  headers: '((content-type text/plain))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "jquery3.1.0.js"))
				   (send-response body: (http-transport:show-jquery) 
						  headers: '((content-type application/javascript))))
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "test_log"))
				   (send-response body: (http-transport:html-test-log $) 
						  headers: '((content-type text/HTML))))    
                                  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "dashboard"))
				   (send-response body: (http-transport:html-dboard $) 
						  headers: '((content-type text/HTML)))) 
				  (else (continue))))))))
    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create file " start-file ", exn=" exn)
      (with-output-to-file start-file (lambda ()(print (current-process-id)))))
    (http-transport:try-start-server ipaddrstr start-port)))

;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
  (let ((config-hostname (configf:lookup *configdat* "server" "hostname"))
	(config-use-proxy (equal? (configf:lookup *configdat* "client" "use-http_proxy") "yes")))
    (if (not config-use-proxy)
	(determine-proxy (constantly #f)))
    (debug:print-info 0 *default-log-port* "http-transport:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum " config-hostname=" config-hostname)
    (handle-exceptions
	exn
	(begin
	  (print-error-message exn)
	  (if (< portnum 64000)
	      (begin 
		(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
		(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
		(debug:print 5 *default-log-port* "exn=" (condition->list exn))
		(portlogger:open-run-close portlogger:set-failed portnum)
		(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
		(thread-sleep! 0.1)
		
		;; get_next_port goes here
		(http-transport:try-start-server ipaddrstr
						 (portlogger:open-run-close portlogger:find-port)))
	      (begin
		(debug:print 0 *default-log-port* "ERROR: Tried and tried but could not start the server"))))
      ;; any error in following steps will result in a retry
      (set! *server-info* (list ipaddrstr portnum))
      (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum)
      ;; This starts the spiffy server
      ;; NEED WAY TO SET IP TO #f TO BIND ALL
      ;; (start-server bind-address: ipaddrstr port: portnum)
      (if config-hostname ;; this is a hint to bind directly
	  (start-server port: portnum) ;; bind-address: (if (equal? config-hostname "-")
					;;		ipaddrstr
					;;		config-hostname))
	  (start-server port: portnum))
      (portlogger:open-run-close portlogger:set-port portnum "released")
      (debug:print 1 *default-log-port* "INFO: server has been stopped"))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;;======================================================================
;; C L I E N T S
;;======================================================================

(define *http-mutex* (make-mutex))

;; NOTE: Large block of code from 32436b426188080f72fceb6894af541fbad9921e removed here
;;       I'm pretty sure it is defunct.

;; This next block all imported en-mass from the api branch
(define *http-requests-in-progress* 0)
(define *http-connections-next-cleanup* (current-seconds))

(define (http-transport:get-time-to-cleanup)
  (let ((res #f))
    (mutex-lock! *http-mutex*)
    (set! res (> (current-seconds) *http-connections-next-cleanup*))
    (mutex-unlock! *http-mutex*)
    res))

(define (http-transport:inc-requests-count)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*))
  ;; Use this opportunity to slow things down iff there are too many requests in flight
  (if (> *http-requests-in-progress* 5)
      (begin
	(debug:print-info 0 *default-log-port* "Whoa there buddy, ease up...")
	(thread-sleep! 1)))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count proc) 
  (mutex-lock! *http-mutex*)
  (proc)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (mutex-unlock! *http-mutex*))

(define (http-transport:dec-requests-count-and-close-all-connections)
  (set! *http-requests-in-progress* (- *http-requests-in-progress* 1))
  (let loop ((etime (+ (current-seconds) 5))) ;; give up in five seconds
    (if (> *http-requests-in-progress* 0)
	(if (> etime (current-seconds))
	    (begin
	      (thread-sleep! 0.05)
	      (loop etime))
	    (debug:print-error 0 *default-log-port* "requests still in progress after 5 seconds of waiting. I'm going to pass on cleaning up http connections"))
	(close-all-connections!)))
  (set! *http-connections-next-cleanup* (+ (current-seconds) 10))
  (mutex-unlock! *http-mutex*))

(define (http-transport:inc-requests-and-prep-to-close-all-connections)
  (mutex-lock! *http-mutex*)
  (set! *http-requests-in-progress* (+ 1 *http-requests-in-progress*)))

;; Send "cmd" with json payload "params" to serverdat and receive result
;;
(define (http-transport:client-api-send-receive run-id serverdat cmd params #!key (numretries 3)(area-dat #f))
  (let* ((fullurl    (if (vector? serverdat)
			 (http-transport:server-dat-get-api-req serverdat)
			 (begin
			   (debug:print 0 *default-log-port* "FATAL ERROR: http-transport:client-api-send-receive called with no server info")
			   (exit 1))))
	 (res        (vector #f "uninitialized"))
	 (success    #t)
	 (sparams    (db:obj->string params transport: 'http))
	 (runremote  (or area-dat *runremote*))
         (server-id   (if (vector? serverdat) 
                           (http-transport:server-dat-get-server-id serverdat)
                           (begin
			     (debug:print 0 *default-log-port* "FATAL ERROR: http-transport:client-api-send-receive called with no server info")
			     (exit 1)))))
       (debug:print-info 11 *default-log-port* "cmd=" cmd " fullurl=" fullurl " server-id=" server-id " current time:" (current-seconds)) 

       ;; set up the http-client here
       (max-retry-attempts 1)
       ;; consider all requests indempotent
       (retry-request? (lambda (request)
			 #f))
       ;; send the data and get the response
       ;; extract the needed info from the http data and 
       ;; process and return it.
       (let* ((send-recieve (lambda ()
			      (mutex-lock! *http-mutex*)
			      ;; (condition-case (with-input-from-request "http://localhost"; #f read-lines)
			      ;;					       ((exn http client-error) e (print e)))
			      (set! res (vector                ;;; DON'T FORGET - THIS IS THE CLIENT SIDE! NOTE: consider moving this to client.scm since we are only supporting http transport at this time.
					 success
					 (db:string->obj 
					  (handle-exceptions
					      exn
					      (let ((call-chain (get-call-chain))
						    (msg        ((condition-property-accessor 'exn 'message) exn)))
						(set! success #f)
                                                (if (debug:debug-mode 1)
                                                    (debug:print-info 0 *default-log-port* "couldn't talk to server, trying again ...")
                                                    (begin
                                                      (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
                                                      (debug:print 0 *default-log-port* " message: " msg ", exn=" exn)
                                                      (debug:print 0 *default-log-port* " cmd: " cmd " params: " params " key:" (or server-id "thekey"))
                                                      (debug:print 0 *default-log-port* " call-chain: " call-chain)))
						;; what if another thread is communicating ok? Can't happen due to mutex
						(set! *runremote* #f)
						(set! runremote #f)
						;; (if runremote
						;;    (remote-conndat-set! runremote #f))
						;; Killing associated server to allow clean retry.")
						;; (tasks:kill-server-run-id run-id)  ;; better to kill the server in the logic that called this routine?
						(mutex-unlock! *http-mutex*)
						;; (signal (make-composite-condition
						;;          (make-property-condition 'commfail 'message "failed to connect to server")))
						;; "communications failed"
						(close-all-connections!)
						(db:obj->string #f))
					      (with-input-from-request ;; was dat
					       fullurl 
					       (list (cons 'key (or server-id   "thekey"))
						     (cons 'cmd cmd)
						     (cons 'params sparams))
					       read-string))
					  transport: 'http)
					 0)) ;; added this speculatively
			      ;; Shouldn't this be a call to the managed call-all-connections stuff above?
			      ;; (close-all-connections!) ;; BUG? WHY IS THIS HERE? Are we failing to reuse connections?
			      (mutex-unlock! *http-mutex*)
			      ))
	      (time-out     (lambda ()
			      (thread-sleep! 45)
			      (debug:print 0 *default-log-port* "WARNING: send-receive took more than 45 seconds!!")
			      #f))
	      (th1 (make-thread send-recieve "with-input-from-request"))
	      (th2 (make-thread time-out     "time out")))
	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
          (vector-set! res 0 success)
	 (thread-terminate! th2)
	 (if (vector? res)
	     (if (vector-ref res 0) ;; this is the first flag or the second flag? 
                 (let* ((res-dat (vector-ref res 1)))
                    (if (and (string? res-dat) (string-contains res-dat "server-id mismatch"))
                     (signal (make-composite-condition
		          (make-property-condition 
		       'servermismatch
		       'message  (vector-ref res 1))))       
		      res)) ;; this is the *inner* vector? seriously? why?
                 (if (debug:debug-mode 11)
                     (let ((call-chain (get-call-chain))) ;; note: this code also called in nmsg-transport - consider consolidating it
                       (print-call-chain (current-error-port))
                       (debug:print-error 11 *default-log-port* "error above occured at server, res=" res) ;; " message: " ((condition-property-accessor 'exn 'message) exn))
                       (debug:print 11 *default-log-port* " server call chain:")
                       (pp (vector-ref res 1) (current-error-port))
                       (signal (vector-ref res 0)))
                     res))
	     (signal (make-composite-condition
		      (make-property-condition 
		       'timeout
		       'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections #!key (area-dat #f))
  (let* ((runremote  (or area-dat *runremote*))
	 (server-dat (if runremote
                         (remote-conndat runremote)
                         #f))) ;; (hash-table-ref/default *runremote* run-id #f)))
    (if (vector? server-dat)
	(let ((api-dat (http-transport:server-dat-get-api-uri server-dat)))
	  (handle-exceptions
	    exn
	    (begin
	      (print-call-chain *default-log-port*)
	      (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))
	    (close-connection! api-dat)
            (close-idle-connections!)
	    #t))
	#f)))


(define (make-http-transport:server-dat)(make-vector 6))
(define (http-transport:server-dat-get-iface         vec)    (vector-ref  vec 0))
(define (http-transport:server-dat-get-port          vec)    (vector-ref  vec 1))
(define (http-transport:server-dat-get-api-uri       vec)    (vector-ref  vec 2))
(define (http-transport:server-dat-get-api-url       vec)    (vector-ref  vec 3))
(define (http-transport:server-dat-get-api-req       vec)    (vector-ref  vec 4))
(define (http-transport:server-dat-get-last-access   vec)    (vector-ref  vec 5))
;(define (http-transport:server-dat-get-socket        vec)    (vector-ref  vec 6))
(define (http-transport:server-dat-get-server-id     vec)    (vector-ref  vec 6))

(define (http-transport:server-dat-make-url vec)
  (if (and (http-transport:server-dat-get-iface vec)
	   (http-transport:server-dat-get-port  vec))
      (conc "http://" 
	    (http-transport:server-dat-get-iface vec)
	    ":"
	    (http-transport:server-dat-get-port  vec))
      #f))

(define (http-transport:server-dat-update-last-access vec)
  (if (vector? vec)
      (vector-set! vec 5 (current-seconds))
      (begin
	(print-call-chain (current-error-port))
	(debug:print-error 0 *default-log-port* "call to http-transport:server-dat-update-last-access with non-vector!!"))))

;;
;; connect
;;
(define (http-transport:client-connect iface port server-id)
  (debug:print-info 0 *default-log-port* "Connecting to client at "iface":"port", with server-id "server-id)
  (let* ((api-url      (conc "http://" iface ":" port "/api"))
	 (api-uri      (uri-reference (conc "http://" iface ":" port "/api")))
	 (api-req      (make-request method: 'POST uri: api-uri))
	 (server-dat   (vector iface port api-uri api-url api-req (current-seconds) server-id)))
    server-dat))




;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running) 
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")
  (let* ((servinfofile      #f)
	 (sdat              #f)
	 (no-sync-db        (db:open-no-sync-db))
	 (tmp-area          (common:get-db-tmp-area))
	 (started-file      (conc tmp-area "/.server-started"))
	 (server-start-time (current-seconds))
	 (server-info (let loop ((start-time (current-seconds))
				 (changed    #t)
				 (last-sdat  "not this"))
                        (begin ;; let ((sdat #f))
			  (thread-sleep! 0.01)
			  (debug:print-info 0 *default-log-port* "Waiting for server alive signature")
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *server-info*)
                          (mutex-unlock! *heartbeat-mutex*)
                          (if (and sdat
				   (not changed)
				   (> (- (current-seconds) start-time) 2))
			      (let* ((servinfodir (conc *toppath*"/.servinfo"))
				     (ipaddr      (car sdat))
				     (port        (cadr sdat))
				     (servinf     (conc servinfodir"/"ipaddr":"port)))
				(set! servinfofile servinf)
				(if (not (file-exists? servinfodir))
				    (create-directory servinfodir #t))
				(with-output-to-file servinf
				  (lambda ()
				    (let* ((serv-id (server:mk-signature)))
				      (set! *server-id* serv-id)
				      (print "SERVER STARTED: "ipaddr":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id))
				      (print "started: "(seconds->year-week/day-time (current-seconds))))))
				(set! *on-exit-procs* (cons
						       (lambda ()
							 (delete-file* servinf))
						       *on-exit-procs*))
				;; put data about this server into a simple flat file host.port
				(debug:print-info 0 *default-log-port* "Received server alive signature")
                                #;(common:save-pkt `((action . alive)
                                                   (T      . server)
                                                   (pid    . ,(current-process-id))
                                                   (ipaddr . ,(car sdat))
                                                   (port   . ,(cadr sdat)))
                                                 *configdat* #t)
				sdat)
                              (begin
				(debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
                                (sleep 4)
				(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
				    (let* ((ipaddr  (car sdat))
					   (port    (cadr sdat))
					   (servinf (conc *toppath*"/.servinfo/"ipaddr":"port)))
				      (debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
				      ;; (delete-file* servinf) ;; handled by on-exit, can be removed
                                      #;(common:save-pkt `((action . died)
                                                         (T      . server)
                                                         (pid    . ,(current-process-id))
                                                         (ipaddr . ,(car sdat))
                                                         (port   . ,(cadr sdat))
                                                         (msg    . "Transport died?"))
						       *configdat* #t)
				      (exit))
				    (loop start-time
					  (equal? sdat last-sdat)
					  sdat)))))))
	 (iface       (car server-info))
         (port        (cadr server-info))
         (last-access 0)
	 (server-timeout (server:expiration-timeout))
	 (server-going  #f)
	 (server-log-file (args:get-arg "-log"))) ;; always set when we are a server

    (handle-exceptions
	exn
      (debug:print 0 *default-log-port* "Failed to create " started-file ", exn=" exn)
      (with-output-to-file started-file (lambda ()(print (current-process-id)))))

    (let loop ((count         0)
	       (server-state 'available)
	       (bad-sync-count 0)
	       (start-time     (current-milliseconds)))

      ;; Use this opportunity to sync the tmp db to megatest.db
      (if (not server-going) ;; *dbstruct-dbs* 
	  (begin
	    (debug:print 0 *default-log-port* "SERVER: dbprep")
	    (set! *dbstruct-dbs*  (db:setup #t)) ;;  run-id)) FIXME!!!
	    (set! server-going #t)
	    (debug:print 0 *default-log-port* "SERVER: running, megatest version: " (common:get-full-version))) ;; NOTE: the server is NOT yet marked as running in the log. We do that in the keep-running routine.
	  (if (and no-sync-db
		   (common:low-noise-print 10 "sync-all")) ;; cheesy way to reduce frequency of running sync :)
              (begin
		(if (common:low-noise-print 120 "sync-all-print")
                    (debug:print 0 *default-log-port* "keep-running calling db:all-db-sync at " (time->string (seconds->local-time) "%H:%M:%S")))
		(db:all-db-sync *dbstruct-dbs*))))
      
      ;; when things go wrong we don't want to be doing the various queries too often
      ;; so we strive to run this stuff only every four seconds or so.
      (let* ((sync-time (- (current-milliseconds) start-time))
	    (rem-time  (quotient (- 4000 sync-time) 1000)))
	(if (and (<= rem-time 4)
		 (>  rem-time 0))
	    (thread-sleep! rem-time)))
      
      (if (< count 1) ;; 3x3 = 9 secs aprox
	  (loop (+ count 1) 'running bad-sync-count (current-milliseconds)))
      
      ;; Check that iface and port have not changed (can happen if server port collides)
      (mutex-lock! *heartbeat-mutex*)
      (set! sdat *server-info*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (not (equal? sdat (list iface port)))
	  (let ((new-iface (car sdat))
		(new-port  (cadr sdat)))
	    (debug:print-info 0 *default-log-port* "WARNING: interface changed, refreshing iface and port info")
	    (set! iface new-iface)
	    (set! port  new-port)
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
	    (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	    (flush-output *default-log-port*)))
      
      ;; Transfer *db-last-access* to last-access to use in checking that we are still alive
      (mutex-lock! *heartbeat-mutex*)
      (set! last-access *db-last-access*)
      (mutex-unlock! *heartbeat-mutex*)
      
      (if (common:low-noise-print 120 (conc "server running on " iface ":" port))
	  (begin
             (if (not *server-id*)
		 (set! *server-id* (server:mk-signature)))
             (debug:print 0 *default-log-port* (current-seconds) (current-directory) (current-process-id) (argv))   
	     (debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds) " server-id: " *server-id*)
	     (flush-output *default-log-port*)))
      (if (common:low-noise-print 60 "dbstats")
	  (begin
	    (debug:print 0 *default-log-port* "Server stats:")
	    (db:print-current-query-stats)))
      (let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	(cond
         ((and *server-run*
	       (> (+ last-access server-timeout)
		  (current-seconds)))
          (if (common:low-noise-print 120 "server continuing")
              (debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access))
	      (let ((curr-time (current-seconds)))
		(handle-exceptions
		    exn
		    (debug:print 0 *default-log-port* "ERROR: Failed to change timestamp on info file " servinfofile ". Are you out of space on that disk? exn=" exn)
		    (if (and (< (- (current-seconds) server-start-time) 600) ;; run for ten minutes for experiment, 3600 thereafter
			     (not *server-overloaded*)
			     (file-exists? servinfofile))
			(change-file-times servinfofile curr-time curr-time)))
		(if (or (common:low-noise-print 120 "start new server")
			(> *api-process-request-count* 50)) ;; if this server is kind of busy start up another
		    (begin
		      (debug:print-info 0 *default-log-port* "Server is busy, parallel-api-count "*api-process-request-count*", start another if possible...")
		      (server:kind-run *toppath*)
		      (if (> *api-process-request-count* 100)
			  (begin
			    (debug:print-info 0 *default-log-port* "Server is overloaded at parallel-api-count="*api-process-request-count*", removing "servinfofile) 
			    (delete-file* servinfofile)))))))
          (loop 0 server-state bad-sync-count (current-milliseconds)))
         (else
          (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
          (http-transport:server-shutdown port)))))))

(define (http-transport:server-shutdown port)
  (begin
    ;;(BB> "http-transport:server-shutdown called")
    (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
    ;;
    ;; start_shutdown
    ;;
    (set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
    (portlogger:open-run-close portlogger:set-port port "released")
    (thread-sleep! 1)

    ;; (debug:print-info 0 *default-log-port* "Max cached queries was    " *max-cache-size*)
    ;; (debug:print-info 0 *default-log-port* "Number of cached writes   " *number-of-writes*)
    ;; (debug:print-info 0 *default-log-port* "Average cached write time "
    ;; 		      (if (eq? *number-of-writes* 0)
    ;; 			  "n/a (no writes)"
    ;; 			  (/ *writes-total-delay*
    ;; 			     *number-of-writes*))
    ;; 		      " ms")
    ;; (debug:print-info 0 *default-log-port* "Number non-cached queries "  *number-non-write-queries*)
    ;; (debug:print-info 0 *default-log-port* "Average non-cached time   "
    ;; 		      (if (eq? *number-non-write-queries* 0)
    ;; 			  "n/a (no queries)"
    ;; 			  (/ *total-non-write-delay* 
    ;; 			     *number-non-write-queries*))
    ;; 		      " ms")
    
    (db:print-current-query-stats)
    #;(common:save-pkt `((action . exit)
                       (T      . server)
                       (pid    . ,(current-process-id)))
    *configdat* #t)

    ;; remove .servinfo file(s) here
    
    (debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
    (exit)))

;; all routes though here end in exit ...
;;
;; start_server? 
;;
(define (http-transport:launch)
  ;; check that a server start is in progress, pause or exit if so
  (let* ((tmp-area            (common:get-db-tmp-area))
	 (server-start        (conc tmp-area "/.server-start"))
	 (server-started      (conc tmp-area "/.server-started"))
	 (start-time          (common:lazy-modification-time server-start))
	 (started-time        (common:lazy-modification-time server-started))
	 (server-starting     (< start-time started-time)) ;; if start-time is less than started-time then a server is still starting
	 (start-time-old      (> (- (current-seconds) start-time) 5))
         (cleanup-proc        (lambda (msg)
                                (let* ((serv-fname      (conc "server-" (current-process-id) "-" (get-host-name) ".log"))
                                       (full-serv-fname (conc *toppath* "/logs/" serv-fname))
                                       (new-serv-fname  (conc *toppath* "/logs/" "defunct-" serv-fname)))
                                  (debug:print 0 *default-log-port* msg)
                                  (if (common:file-exists? full-serv-fname)
                                      (system (conc "sleep 1;mv -f " full-serv-fname " " new-serv-fname))
                                      (debug:print 0 *default-log-port* "INFO: cannot move " full-serv-fname " to " new-serv-fname))
                                  (exit)))))
    #;(if (and (not start-time-old) ;; last server start try was less than five seconds ago
	     (not server-starting))
	(begin
	  (cleanup-proc "NOT starting server, there is either a recently started server or a server in process of starting")
	  (exit)))
    ;; lets not even bother to start if there are already three or more server files ready to go
    #;(let* ((num-alive   (server:get-num-alive (server:get-list *toppath*))))
      (if (> num-alive 3)
          (begin
            (cleanup-proc (conc "ERROR: Aborting server start because there are already " num-alive " possible servers either running or starting up"))
            (exit))))
    #;(common:save-pkt `((action . start)
		       (T      . server)
		       (pid    . ,(current-process-id)))
		     *configdat* #t)
    (let* ((th2 (make-thread (lambda ()
                               (debug:print-info 0 *default-log-port* "Server run thread started")
                               (http-transport:run 
                                (if (args:get-arg "-server")
                                    (args:get-arg "-server")
                                    "-")
                                )) "Server run"))
           (th3 (make-thread (lambda ()
                               (debug:print-info 0 *default-log-port* "Server monitor thread started")
                               (http-transport:keep-running)
                               "Keep running"))))
      (thread-start! th2)
      (thread-sleep! 0.25) ;; give the server time to settle before starting the keep-running monitor.
      (thread-start! th3)
      (set! *didsomething* #t)
      (thread-join! th2)
      (exit))))

;; (define (http-transport:server-signal-handler signum)
;;   (signal-mask! signum)
;;   (handle-exceptions
;;    exn
;;    (debug:print 0 *default-log-port* " ... exiting ...")
;;    (let ((th1 (make-thread (lambda ()
;; 			     (thread-sleep! 1))
;; 			   "eat response"))
;; 	 (th2 (make-thread (lambda ()
;; 			     (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; 			     (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
;; 			     (debug:print 0 *default-log-port* "       Done.")
;; 			     (exit 4))
;; 			   "exit on ^C timer")))
;;      (thread-start! th2)
;;      (thread-start! th1)
;;      (thread-join! th2))))

;;===============================================
;; Java script
;;===============================================
(define (http-transport:show-jquery)
  (let* ((data  (tests:readlines *java-script-lib*)))
(string-join data "\n")))



;;======================================================================
;; web pages
;;======================================================================

(define (http-transport:html-test-log $)
   (let* ((run-id ($ 'runid))
         (test-item ($ 'testname))
         (parts (string-split test-item ":"))
         (test-name (car parts))
             
         (item-name (if (equal? (length parts) 1)
             ""
             (cadr parts))))
  ;(print $) 
(tests:get-test-log run-id test-name item-name)))


(define (http-transport:html-dboard $)
  (let* ((page ($ 'page))
         (oup       (open-output-string)) 
         (bdy "--------------------------")

         (ret  (tests:dynamic-dboard page)))
    (s:output-new  oup  ret)
   (close-output-port oup)

  (set! bdy   (get-output-string oup))
     (conc "<h1>Dashboard</h1>" bdy "<br/> <br/> "  )))

(define (http-transport:main-page)
  (let ((linkpath (root-path)))
    (conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
	  "<body>"
	  "Run area: " *toppath*
	  "<h2>Server Stats</h2>"
	  (http-transport:stats-table) 
	  "<hr>"
	  (http-transport:runs linkpath)
	  "<hr>"
	  ;; (http-transport:run-stats)
	  "</body>"
	  )))

(define (http-transport:stats-table)
  (mutex-lock! *heartbeat-mutex*)
  (let ((res 
	 (conc "<table>"
	       ;; "<tr><td>Max cached queries</td>        <td>" *max-cache-size* "</td></tr>"
	       "<tr><td>Number of cached writes</td>   <td>" *number-of-writes* "</td></tr>"
	       "<tr><td>Average cached write time</td> <td>" (if (eq? *number-of-writes* 0)
								 "n/a (no writes)"
								 (/ *writes-total-delay*
								    *number-of-writes*))
	       " ms</td></tr>"
	       "<tr><td>Number non-cached queries</td> <td>"  *number-non-write-queries* "</td></tr>"
	       ;; "<tr><td>Average non-cached time</td>   <td>" (if (eq? *number-non-write-queries* 0)
	       ;; 							 "n/a (no queries)"
	       ;; 							 (/ *total-non-write-delay* 
	       ;; 							    *number-non-write-queries*))
	       " ms</td></tr>"
	       "<tr><td>Last access</td><td>"              (seconds->time-string *db-last-access*) "</td></tr>"
	       "</table>")))
    (mutex-unlock! *heartbeat-mutex*)
    res))

(define (http-transport:runs linkpath)
  (conc "<h3>Runs</h3>"
	(string-intersperse
	 (let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
	   (map (lambda (p)
		  (conc "<a href=\"" p "\">" p "</a><br>"))
		files))
	 " ")))

#;(define (http-transport:run-stats)
  (let ((stats (open-run-close db:get-running-stats #f)))
    (conc "<table>"
	  (string-intersperse
	   (map (lambda (stat)
		  (conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
		stats)
	   " ")
	  "</table>")))
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Deleted index-tree.scm version [10c620fbfc].

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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; Populate the links tree with index.html files
;;
;;   - start from most recent tests and work towards oldest -OR-
;;     start from deepest hierarchy and work way up
;;   - look up tests in megatest.db
;;   - cross-reference the tests to stats.db
;;   - if newer than event_time in stats.db or not registered in stats.db regenerate
;;   - run du and store in stats.db
;;   - when all tests at that level done generate next level up index.html
;; 
;;     include in rollup html index.html:
;;          sum of du
;;          counts of PASS, FAIL, RUNNING, REMOTEHOSTSTART, LAUNCHED, CHECK etc.
;;          overall status
;;
;;     include in test specific index.html:
;;          host, uname, cpu graph, disk avail graph, steps, data
;;          meta data, state, status, du
;;          
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Modified items.scm from [16328a4b96] to [faab56b546].

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;; (define itemdat '((ripeness    "green ripe overripe")
;; 		     (temperature "cool medium hot")
;; 		     (season      "summer winter fall spring")))

(declare (unit items))
(declare (uses common))





(include "common_records.scm")

;; Puts out all combinations
(define (process-itemlist hierdepth curritemkey itemlist)
  (let ((res '()))
    (if (not hierdepth)







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;; (define itemdat '((ripeness    "green ripe overripe")
;; 		     (temperature "cool medium hot")
;; 		     (season      "summer winter fall spring")))

(declare (unit items))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(import commonmod
	debugprint)

(include "common_records.scm")

;; Puts out all combinations
(define (process-itemlist hierdepth curritemkey itemlist)
  (let ((res '()))
    (if (not hierdepth)

Modified keys.scm from [9fa2c0cfa5] to [2247f182f0].

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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
 
;;======================================================================
;; Run keys, these are used to hierarchially organise tests and run areas
;;======================================================================







(use sqlite3 srfi-1 posix regex regex-case srfi-69)
(import (prefix sqlite3 sqlite3:))


(declare (unit keys))
(declare (uses common))


(include "key_records.scm")
(include "common_records.scm")

(define (keys->keystr keys) ;; => key1,key2,key3,additiona1, ...
  (string-intersperse keys ","))








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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
 
;;======================================================================
;; Run keys, these are used to hierarchially organise tests and run areas
;;======================================================================

(declare (unit keys))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses mtargs))

(use sqlite3 srfi-1 posix regex regex-case srfi-69)
(import (prefix sqlite3 sqlite3:)
	(prefix mtargs args:))


(import commonmod
	debugprint)

(include "key_records.scm")
(include "common_records.scm")

(define (keys->keystr keys) ;; => key1,key2,key3,additiona1, ...
  (string-intersperse keys ","))

Modified launch.scm from [9881087e2c] to [9d838959e9].

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================














(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3
     call-with-environment-variables csv)
(use typed-records pathname-expand matchable)

(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))


(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
(declare (uses ezsteps))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "megatest-fossil-hash.scm")







;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute







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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses configf))
(declare (uses db))
(declare (uses rmtmod))
(declare (uses ezsteps))
;; (declare (uses dbmod))
(declare (uses dbfile))
(declare (uses mtargs))

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3
     call-with-environment-variables csv)
(use typed-records pathname-expand matchable)

(import (prefix base64 base64:)
	(prefix sqlite3 sqlite3:)
	(prefix mtargs args:)
)







(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "megatest-fossil-hash.scm")

(import commonmod
	rmtmod
	debugprint
	;; dbmod
	dbfile)

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
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		   (setenv "MT_STEP_NAMES" (string-intersperse all-step-names " "))
		   (let loop ((ezstep (car ezstepslst))
			     (tal    (cdr ezstepslst))
			     (prevstep #f))
                    (debug:print-info 0 *default-log-port* "Processing ezstep \"" (string-intersperse ezstep " ") "\"")
		    ;; check exit-info (vector-ref exit-info 1)
		    (if (launch:einf-exit-status exit-info) ;; (vector-ref exit-info 1)
			(let* ((logpro-used (launch:runstep ezstep run-id test-id exit-info m tal testconfig all-steps-dat))
			       (stepname    (car ezstep))
			       (stepparms   (hash-table-ref all-steps-dat stepname)))
			  (setenv "MT_STEP_NAME" stepname)
			  (pp (hash-table->alist all-steps-dat))
			  ;; if logpro-used read in the stepname.dat file
			  (if (and logpro-used (common:file-exists? (conc stepname ".dat")))
			      (launch:load-logpro-dat run-id test-id stepname))







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		   (setenv "MT_STEP_NAMES" (string-intersperse all-step-names " "))
		   (let loop ((ezstep (car ezstepslst))
			     (tal    (cdr ezstepslst))
			     (prevstep #f))
                    (debug:print-info 0 *default-log-port* "Processing ezstep \"" (string-intersperse ezstep " ") "\"")
		    ;; check exit-info (vector-ref exit-info 1)
		    (if (launch:einf-exit-status exit-info) ;; (vector-ref exit-info 1)
			(let* ((logpro-used (ezsteps:runstep ezstep run-id test-id exit-info m tal testconfig all-steps-dat))
			       (stepname    (car ezstep))
			       (stepparms   (hash-table-ref all-steps-dat stepname)))
			  (setenv "MT_STEP_NAME" stepname)
			  (pp (hash-table->alist all-steps-dat))
			  ;; if logpro-used read in the stepname.dat file
			  (if (and logpro-used (common:file-exists? (conc stepname ".dat")))
			      (launch:load-logpro-dat run-id test-id stepname))
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			(debug:print 0 *default-log-port* "WARNING: a prior step failed, stopping at " ezstep)))
                        (file-close status-file)
                        )

                        ))))))

(define (launch:monitor-job run-id test-id item-path fullrunscript ezsteps test-name tconfigreg exit-info m work-area runtlim misc-flags)
  (let* ((update-period (string->number (or (configf:lookup *configdat* "setup" "test-stats-update-period") "30")))
         (start-seconds (current-seconds))
	 (calc-minutes  (lambda ()
			  (inexact->exact 
			   (round 
			    (- 
			     (current-seconds) 
			     start-seconds)))))







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			(debug:print 0 *default-log-port* "WARNING: a prior step failed, stopping at " ezstep)))
                        (file-close status-file)
                        )

                        ))))))

(define (launch:monitor-job run-id test-id item-path fullrunscript ezsteps test-name tconfigreg exit-info m work-area runtlim misc-flags)
  (let* ((update-period (string->number (or (configf:lookup *configdat* "setup" "test-stats-update-period") "60")))
         (start-seconds (current-seconds))
	 (calc-minutes  (lambda ()
			  (inexact->exact 
			   (round 
			    (- 
			     (current-seconds) 
			     start-seconds)))))
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                                   (delta (abs (- df disk-free))))
                              (if (and (> df 0)
                                       (> (/ delta df) 0.1)) ;; (> delta 200) ;; ignore changes under 200 Meg
                                  df
                                  #f)))
             (do-sync       (or new-cpu-load new-disk-free over-time))

             (test-info   (rmt:get-test-info-by-id run-id test-id))
             (state       (db:test-get-state test-info))
             (status      (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))
        ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - decision time encountered at "(current-seconds)" with last-sync="last-sync" do-sync="do-sync" over-time="over-time" update-period="update-period))
        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         ((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)

        (launch:handle-zombie-tests run-id)
        (when do-sync
          ;;(with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
          ;;  (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))
          ;; (common:telemetry-log "zombie" (conc  "launch:monitor-job - dosync started at "(current-seconds)))
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - dosync finished at "(current-seconds)))
	  )







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                                   (delta (abs (- df disk-free))))
                              (if (and (> df 0)
                                       (> (/ delta df) 0.1)) ;; (> delta 200) ;; ignore changes under 200 Meg
                                  df
                                  #f)))
             (do-sync       (or new-cpu-load new-disk-free over-time))

             (test-info   (rmt:get-test-state-status-by-id run-id test-id))
             (state       (car test-info));; (db:test-get-state test-info))
             (status      (cdr test-info));; (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))
        ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - decision time encountered at "(current-seconds)" with last-sync="last-sync" do-sync="do-sync" over-time="over-time" update-period="update-period))
        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         ((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)
        (if (common:low-noise-print 600 "run zombie") ;; every five minutes is plenty
	    (launch:handle-zombie-tests run-id))
        (when do-sync
          ;;(with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
          ;;  (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))
          ;; (common:telemetry-log "zombie" (conc  "launch:monitor-job - dosync started at "(current-seconds)))
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - dosync finished at "(current-seconds)))
	  )
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		      (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (conc (args:get-arg "-m")" "kill-reason) #f)) ;; BB ADDED kill-reason -- confirm OK with Matt
		    (begin
		      (debug:print-error 0 *default-log-port* "Nothing to kill, pid1=" pid1 ", pid2=" pid2)
		      (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (conc (args:get-arg "-m")" "kill-reason) #f) ;; BB ADDED kill-reason -- confirm OK with Matt
		      )))
	      (mutex-unlock! m)
	      ;; no point in sticking around. Exit now. But run end of run before exiting?
        (launch:end-of-run-check run-id)
	      (exit)))
	(if (hash-table-ref/default misc-flags 'keep-going #f)
	    (begin
	      (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
	      (if (hash-table-ref/default misc-flags 'keep-going #f)  ;; keep originals for cpu-load and disk-free unless they change more than the allowed delta
		  (loop (calc-minutes)
                        (or new-cpu-load cpu-load)







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		      (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (conc (args:get-arg "-m")" "kill-reason) #f)) ;; BB ADDED kill-reason -- confirm OK with Matt
		    (begin
		      (debug:print-error 0 *default-log-port* "Nothing to kill, pid1=" pid1 ", pid2=" pid2)
		      (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (conc (args:get-arg "-m")" "kill-reason) #f) ;; BB ADDED kill-reason -- confirm OK with Matt
		      )))
	      (mutex-unlock! m)
	      ;; no point in sticking around. Exit now. But run end of run before exiting?
              (launch:end-of-run-check run-id)
	      (exit)))
	(if (hash-table-ref/default misc-flags 'keep-going #f)
	    (begin
	      (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
	      (if (hash-table-ref/default misc-flags 'keep-going #f)  ;; keep originals for cpu-load and disk-free unless they change more than the allowed delta
		  (loop (calc-minutes)
                        (or new-cpu-load cpu-load)
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	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))
          ;;(bb-check-path msg: "launch:execute post block 3")




	  (if mt-bindir-path (setenv "PATH" (conc "\""(getenv "PATH")":"mt-bindir-path"\"")))
          ;;(bb-check-path msg: "launch:execute post block 4")
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.







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	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))
          ;;(bb-check-path msg: "launch:execute post block 3")

	  (let ((tmppath (getenv "PATH")))
	    (if (string-search tmppath " ")
		(debug:print 0 *default-log-port* "WARNING: spaces in PATH are not supported."))
	    (if mt-bindir-path (setenv "PATH" (conc tmppath":"mt-bindir-path))))
          ;;(bb-check-path msg: "launch:execute post block 4")
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
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		    ;; NO NEED TO CALL set-state-status-and-roll-up-items HERE, THIS IS DONE IN set-state-status-and-roll-up-items called by tests:test-set-status!
		 )
              )


	      ;; for automated creation of the rollup html file this is a good place...
	      (if (not (equal? item-path ""))
		      (tests:summarize-items run-id test-id test-name #f))


	      (tests:summarize-test run-id test-id)  ;; don't force - just update if no
              ;; Leave a .final-status file for the top level test
              (tests:save-final-status run-id test-id)
	      (rmt:update-run-stats run-id (rmt:get-raw-run-stats run-id))) ;; end of let*

	    (mutex-unlock! m)
            (launch:end-of-run-check run-id )







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		    ;; NO NEED TO CALL set-state-status-and-roll-up-items HERE, THIS IS DONE IN set-state-status-and-roll-up-items called by tests:test-set-status!
		 )
              )


	      ;; for automated creation of the rollup html file this is a good place...
	      (if (not (equal? item-path ""))
		  (tests:summarize-items run-id test-id test-name #f))
	      ;; BUG was this meant to be the antecnt of the if above?
	      ;; BUG was this meant to be the antecnt of the if above?
	      (tests:summarize-test run-id test-id)  ;; don't force - just update if no
              ;; Leave a .final-status file for the top level test
              (tests:save-final-status run-id test-id)
	      (rmt:update-run-stats run-id (rmt:get-raw-run-stats run-id))) ;; end of let*

	    (mutex-unlock! m)
            (launch:end-of-run-check run-id )
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;; if dead safe to mark the test as killed in the db
;; State/status table
;; new
;; 100% COMPLETED/ (PASS,FAIL,ABORT etc.) ==> COMPLETED / X where X is same as itemized rollup
;; > 3 RUNNING with not test_dead do nothing (run should already be RUNNING/ na
;; > 0 RUNNING and test_dead then send KILLREQ ==> COMPLETED
;; 0 RUNNING ==> this is actually the first condition, should not get here

(define (launch:end-of-run-check run-id )
    (let* ((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt (rmt:get-count-tests-running-for-run-id run-id))
           (all-test-launched (rmt:get-var (conc "lunch-complete-" run-id)))

           (current-state (rmt:get-run-state run-id))
           (current-status (rmt:get-run-status run-id)))
     ;;get-vars run-id to query metadata table to check if all completed. if all-test-launched = yes then only not-completed-cnt = 0 means everyting is completed if no entry found in the table do nothing 
     (debug:print 0 *default-log-port* "Running test cnt :" running-cnt)                      






     (rmt:set-state-status-and-roll-up-run  run-id current-state current-status)

     (runs:update-junit-test-reporter-xml run-id) 
     (cond 
       ((and all-test-launched (eq? not-completed-cnt 0) (equal? all-test-launched "yes" ))
                (if (and (equal? (rmt:get-var (conc "end-of-run-" run-id)) "no") (common:simple-lock (conc "endOfRun" run-id)))
                (begin
           	(debug:print 4 *default-log-port* "look for  post hook. currseconds: " (current-seconds) " EOR " (rmt:get-var (conc "end-of-run-" run-id)))
                (debug:print 0 *default-log-port* "End of Run Detected.")







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;; if dead safe to mark the test as killed in the db
;; State/status table
;; new
;; 100% COMPLETED/ (PASS,FAIL,ABORT etc.) ==> COMPLETED / X where X is same as itemized rollup
;; > 3 RUNNING with not test_dead do nothing (run should already be RUNNING/ na
;; > 0 RUNNING and test_dead then send KILLREQ ==> COMPLETED
;; 0 RUNNING ==> this is actually the first condition, should not get here
(define *last-rollup* 0)
(define (launch:end-of-run-check run-id )
    (let* ((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt       (rmt:get-count-tests-running-for-run-id run-id))
           (all-test-launched (rmt:get-var (conc "lunch-complete-" run-id)))
	   (current-state-status (rmt:get-run-state-status run-id))
           (current-state        (car current-state-status))  ;; (rmt:get-run-state run-id))
           (current-status       (cdr current-state-status))) ;; (rmt:get-run-status run-id)))
      ;;get-vars run-id to query metadata table to check if all completed. if all-test-launched = yes then only not-completed-cnt = 0 means everyting is completed if no entry found in the table do nothing 
      (debug:print 0 *default-log-port* "Running test cnt :" running-cnt)
      ;;
      ;; TODO: add a final rollup when run is done (if there isn't one already)
      ;;
      (if (or (< running-cnt 3)                              ;; have only few running
	      (> (- (current-seconds) *last-rollup*) 10))    ;; or haven't rolled up in past ten seconds
	  (begin
	    (rmt:set-state-status-and-roll-up-run  run-id current-state current-status)
	    (set! *last-rollup* (current-seconds))))
     (runs:update-junit-test-reporter-xml run-id) 
     (cond 
       ((and all-test-launched (eq? not-completed-cnt 0) (equal? all-test-launched "yes" ))
                (if (and (equal? (rmt:get-var (conc "end-of-run-" run-id)) "no") (common:simple-lock (conc "endOfRun" run-id)))
                (begin
           	(debug:print 4 *default-log-port* "look for  post hook. currseconds: " (current-seconds) " EOR " (rmt:get-var (conc "end-of-run-" run-id)))
                (debug:print 0 *default-log-port* "End of Run Detected.")
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			     (tal    (cdr not-completed-tests)))
		       (let* ((test-name (vector-ref running-test 2))
                 (item-path (vector-ref running-test 11)))
			       	(debug:print 0 *default-log-port* "test " test-name "/" item-path " not completed")
              (if (not (null? tal))
		  (loop (car tal) (cdr tal)))))))))))

;; replaced below with version that does not ssh if checking on localhost
#;(define (launch:is-test-alive host pid)
  (if (and host pid (not (equal? host "n/a")))
      (let* ((cmd (conc "ssh " host " pstree -A " pid))
	     (output (with-input-from-pipe cmd read-lines)))
	(debug:print 2 *default-log-port* "Running " cmd " received " output)
	(if (eq? (length output) 0)
	   #f
	   #t))
      #t))

;; this is a close duplicate of:
;;    process:alist-on-host?
;;    process:alive
;;
(define (launch:is-test-alive host pid)
  (let* ((same-host (equal? host (get-host-name)))
	 (cmd (conc 
	       (if same-host "" (conc "ssh "host" "))
	       "pstree -A "pid)))
    (if (and host pid
	     (not (equal? host "n/a")))
	
	(let* ((output (if same-host
			   (with-input-from-pipe cmd read-lines)
			   (common:generic-ssh cmd read-lines '())))) ;; (with-input-from-pipe cmd read-lines)))
	  (debug:print 2 *default-log-port* "Running " cmd " received " output)
	  (if (eq? (length output) 0)
	      #f
	      #t))
	#t))) ;; assuming bad query is about a live test is likely not the right thing to do?

(define (launch:kill-tests-if-dead run-id)
  (let* ((running-tests (rmt:get-tests-for-run run-id "%" `("RUNNING" "LAUNCHED" "REMOTEHOSTSTART") `() #f #f #f #f #f #f #f #f)))
       (let loop ((running-test (car running-tests))
			     (tal    (cdr running-tests))
			     (kill-cnt 0))
		       (let* ((test-name (vector-ref running-test 2))
                 (item-path (vector-ref running-test 11))
		 (test-id (vector-ref running-test 0))
                 (host (vector-ref running-test 6))
                 (pid  (rmt:test-get-top-process-pid run-id test-id))   
                 (event-time (vector-ref running-test 5))
                 (duration (vector-ref running-test 12))
                 (flag 0)   
                 (curr-time (current-seconds)))
       (if (and (< (+ event-time duration 600) curr-time) (not (launch:is-test-alive host pid))) ;;test has not updated duration in last 10 min then likely its not running but confirm before marking it as killed
           (begin    
			       	(debug:print 0 *default-log-port* "test " test-name "/" item-path " needs to be killed")
              (set! flag 1) 
              (rmt:set-state-status-and-roll-up-items run-id test-name item-path "KILLREQ" "n/a" #f)))
               (if (not (null? tal))
				  (loop (car tal) (cdr tal) (+ kill-cnt flag))
                 (+ kill-cnt flag))))))







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			     (tal    (cdr not-completed-tests)))
		       (let* ((test-name (vector-ref running-test 2))
                 (item-path (vector-ref running-test 11)))
			       	(debug:print 0 *default-log-port* "test " test-name "/" item-path " not completed")
              (if (not (null? tal))
		  (loop (car tal) (cdr tal)))))))))))

































(define (launch:kill-tests-if-dead run-id)
  (let* ((running-tests (rmt:get-tests-for-run run-id "%" `("RUNNING" "LAUNCHED" "REMOTEHOSTSTART") `() #f #f #f #f #f #f #f #f)))
       (let loop ((running-test (car running-tests))
			     (tal    (cdr running-tests))
			     (kill-cnt 0))
		       (let* ((test-name (vector-ref running-test 2))
                 (item-path (vector-ref running-test 11))
		 (test-id (vector-ref running-test 0))
                 (host (vector-ref running-test 6))
                 (pid  (rmt:test-get-top-process-pid run-id test-id))   
                 (event-time (vector-ref running-test 5))
                 (duration (vector-ref running-test 12))
                 (flag 0)   
                 (curr-time (current-seconds)))
       (if (and (< (+ event-time duration 600) curr-time) (not (commonmod:is-test-alive host pid))) ;;test has not updated duration in last 10 min then likely its not running but confirm before marking it as killed
           (begin    
			       	(debug:print 0 *default-log-port* "test " test-name "/" item-path " needs to be killed")
              (set! flag 1) 
              (rmt:set-state-status-and-roll-up-items run-id test-name item-path "KILLREQ" "n/a" #f)))
               (if (not (null? tal))
				  (loop (car tal) (cdr tal) (+ kill-cnt flag))
                 (+ kill-cnt flag))))))
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	    (begin
	      (setenv "MT_RUN_AREA_HOME" *toppath*)
	      (setenv "MT_TESTSUITENAME" (common:get-testsuite-name)))
	    (begin
	      (debug:print-error 0 *default-log-port* "failed to find the top path to your Megatest area.")
	      (set! *toppath* #f) ;; force it to be false so we return #f
	      #f))
	



        ;; one more attempt to cache the configs for future reading
        (let* ((cachefiles   (launch:get-cache-file-paths areapath toppath target mtconfig))
               (mtcachef     (car cachefiles))
               (rccachef     (cdr cachefiles)))

          ;; trap exception due to stale NFS handle -- Error: (open-output-file) cannot open file - Stale NFS file handle: "...somepath.../.runconfigs.cfg-1.6427-7d1e789cb3f62f9cde719a4865bb51b3c17ea853" - ticket 220546342
          ;; TODO - consider 1) using simple-lock to bracket cache write







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	    (begin
	      (setenv "MT_RUN_AREA_HOME" *toppath*)
	      (setenv "MT_TESTSUITENAME" (common:get-testsuite-name)))
	    (begin
	      (debug:print-error 0 *default-log-port* "failed to find the top path to your Megatest area.")
	      (set! *toppath* #f) ;; force it to be false so we return #f
	      #f))

	;; needed by various transport and db modules
	(dbfile:testsuite-name (common:get-testsuite-name)) ;; (get-testsuite-name *toppath* *configdat*))

        ;; one more attempt to cache the configs for future reading
        (let* ((cachefiles   (launch:get-cache-file-paths areapath toppath target mtconfig))
               (mtcachef     (car cachefiles))
               (rccachef     (cdr cachefiles)))

          ;; trap exception due to stale NFS handle -- Error: (open-output-file) cannot open file - Stale NFS file handle: "...somepath.../.runconfigs.cfg-1.6427-7d1e789cb3f62f9cde719a4865bb51b3c17ea853" - ticket 220546342
          ;; TODO - consider 1) using simple-lock to bracket cache write
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              (set! *configstatus* 'fulldata)))

	;; if have -append-config then read and append here
	(let ((cfname (args:get-arg "-append-config")))
	  (if (and cfname
		   (file-read-access? cfname))
	      (read-config cfname *configdat* #t))) ;; values are added to the hash, no need to do anything special.



















	*toppath*)))


(define (get-best-disk confdat testconfig)
  (let* ((disks   (or (and testconfig (hash-table-ref/default testconfig "disks" #f))
		      (hash-table-ref/default confdat "disks" #f)))
	 (minspace (let ((m (configf:lookup confdat "setup" "minspace")))







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              (set! *configstatus* 'fulldata)))

	;; if have -append-config then read and append here
	(let ((cfname (args:get-arg "-append-config")))
	  (if (and cfname
		   (file-read-access? cfname))
	      (read-config cfname *configdat* #t))) ;; values are added to the hash, no need to do anything special.

	;; have config at this time, this is a good place to set params based on config file settings
	(let*  ((dbmode   (configf:lookup *configdat* "setup" "dbcache-mode"))
		(syncmode (configf:lookup *configdat* "setup" "sync-mode"))
		(srvdebug (configf:lookup *configdat* "server" "debug-parameter")))
	  (if dbmode
	      (begin
		(debug:print-info 0 *default-log-port* "Overriding dbmode to "dbmode)
		(dbcache-mode (string->symbol dbmode))))
	  (if syncmode
	      (begin
		(debug:print-info 0 *default-log-port* "Overriding syncmode to "syncmode)
		(dbfile:sync-method (string->symbol syncmode))))
	  (if srvdebug
	      (begin
		(debug:print-info 0 *default-log-port* "Overriding server debug parameter to "srvdebug)
		(tt-server-profile-string srvdebug)))
	  )
		
	*toppath*)))


(define (get-best-disk confdat testconfig)
  (let* ((disks   (or (and testconfig (hash-table-ref/default testconfig "disks" #f))
		      (hash-table-ref/default confdat "disks" #f)))
	 (minspace (let ((m (configf:lookup confdat "setup" "minspace")))
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	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 *default-log-port* "Creating " toptest-path " and link " lnkpath)
		(handle-exceptions
		    exn


		  (begin
		    (debug:print 0 *default-log-port* "failed to create directory " toptest-path ", exn=" exn)
		    #f)
		 (create-directory toptest-path #t))
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 *default-log-port* "Setting up sub test run area")
	  (debug:print 2 *default-log-port* " - creating run area in " test-path)
	  (handle-exceptions
	   exn


	   (begin
	     (debug:print-error 0 *default-log-port* " Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn)
				", exiting, exn=" exn)
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 *default-log-port* 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions







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	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 *default-log-port* "Creating " toptest-path " and link " lnkpath)
		(handle-exceptions
		    exn
		  (if (directory-exists? toptest-path) ;; it was likely created in parallel
		      #t
		      (begin
			(debug:print-info 0 *default-log-port* "failed to create directory " toptest-path ", exn=" exn)
			#f))
		 (create-directory toptest-path #t))
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 *default-log-port* "Setting up sub test run area")
	  (debug:print 2 *default-log-port* " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (if (directory-exists? test-path)
	       #t
	       (begin
		 (debug:print-error 0 *default-log-port* " Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn)
				    ", exiting, exn=" exn)
		 (exit 1)))
	   (create-directory test-path #t))
	  (debug:print 2 *default-log-port* 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
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;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params)

  (mutex-lock! *launch-setup-mutex*) ;; setting variables and processing the testconfig is NOT thread-safe, reuse the launch-setup mutex
  (let* ( ;; (lock-key        (conc "test-" test-id))
	;; (got-lock        (let loop ((lock        (rmt:no-sync-get-lock lock-key))
	;; 			     (expire-time (+ (current-seconds) 15))) ;; give up on getting the lock and steal it after 15 seconds
	;; 		    (if (car lock)
	;; 			#t
	;; 			(if (> (current-seconds) expire-time)







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;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params)
  (assert runname "FATAL: launch-test called with no runname")
  (mutex-lock! *launch-setup-mutex*) ;; setting variables and processing the testconfig is NOT thread-safe, reuse the launch-setup mutex
  (let* ( ;; (lock-key        (conc "test-" test-id))
	;; (got-lock        (let loop ((lock        (rmt:no-sync-get-lock lock-key))
	;; 			     (expire-time (+ (current-seconds) 15))) ;; give up on getting the lock and steal it after 15 seconds
	;; 		    (if (car lock)
	;; 			#t
	;; 			(if (> (current-seconds) expire-time)
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      ;; the following call handles waiver propogation. cannot yet condense into roll-up-pass-fail
      (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
      (rmt:set-state-status-and-roll-up-items run-id test-name item-path #f "LAUNCHED" #f)
      ;; (pp (hash-table->alist tconfig))
      (set! diskpath (get-best-disk *configdat* tconfig))
      (debug:print 2 *default-log-port* "best disk path = " diskpath)
      (if diskpath
	  (let ((dat  (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	    (set! work-area (car dat))
	    (set! toptest-work-area (cadr dat))
	    (debug:print-info 2 *default-log-port* "Using work area " work-area))
	  (begin
	    (set! work-area (conc test-path "/tmp_run"))
	    (create-directory work-area #t)
	    (debug:print 0 *default-log-port* "WARNING: No disk work area specified - running in the test directory under tmp_run")))
      (set! cmdparms (base64:base64-encode 
		      (z3:encode-buffer 
		       (with-output-to-string
			 (lambda () ;; (list 'hosts     hosts)
			   (write (list (list 'testpath  test-path)
					;; (list 'transport (conc *transport-type*))
					;; (list 'serverinf *server-info*)
					#;(list 'homehost  (let* ((hhdat (server:get-homehost)))
							   (if hhdat
							       (car hhdat)
							       #f)))
					(list 'serverurl (if *runremote*
							     (remote-server-url *runremote*)
							     #f)) ;;
					(list 'areaname  (common:get-testsuite-name))
					(list 'toppath   *toppath*)
					(list 'work-area work-area)
					(list 'test-name test-name) 
					(list 'runscript runscript) 







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      ;; the following call handles waiver propogation. cannot yet condense into roll-up-pass-fail
      (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
      (rmt:set-state-status-and-roll-up-items run-id test-name item-path #f "LAUNCHED" #f)
      ;; (pp (hash-table->alist tconfig))
      (set! diskpath (get-best-disk *configdat* tconfig))
      (debug:print 2 *default-log-port* "best disk path = " diskpath)
      (if diskpath
	  (let ((dat (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	    (set! work-area (car dat))
	    (set! toptest-work-area (cadr dat))
	    (debug:print-info 2 *default-log-port* "Using work area " work-area))
	  (begin
	    (set! work-area (conc test-path "/tmp_run"))
	    (create-directory work-area #t)
	    (debug:print 0 *default-log-port* "WARNING: No disk work area specified - running in the test directory under tmp_run")))
      (set! cmdparms (base64:base64-encode 
		      (z3:encode-buffer 
		       (with-output-to-string
			 (lambda () ;; (list 'hosts     hosts)
			   (write (list (list 'testpath  test-path)
					;; (list 'transport (conc *transport-type*))
					;; (list 'serverinf *server-info*)
					#;(list 'homehost  (let* ((hhdat (server:get-homehost)))
							   (if hhdat
							       (car hhdat)
							       #f)))
					#;(list 'serverurl (if *runremote* ;; would like to add this back ... WORK NEEDED
							     (remote-server-url *runremote*)
							     #f)) ;;
					(list 'areaname  (common:get-testsuite-name))
					(list 'toppath   *toppath*)
					(list 'work-area work-area)
					(list 'test-name test-name) 
					(list 'runscript runscript) 

Deleted lock-queue.scm version [21543b63ce].

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;; Copyright 2006-2013, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(use (prefix sqlite3 sqlite3:) srfi-18)

(declare (unit lock-queue))
(declare (uses common))
(declare (uses tasks))

;;======================================================================
;; attempt to prevent overlapping updates of rollup files by queueing
;; update requests in an sqlite db
;;======================================================================

;;======================================================================
;; db record, <vector db path-to-db>
;;======================================================================

(define (make-lock-queue:db-dat)(make-vector 3))
(define-inline (lock-queue:db-dat-get-db        vec)    (vector-ref  vec 0))
(define-inline (lock-queue:db-dat-get-path      vec)    (vector-ref  vec 1))
(define-inline (lock-queue:db-dat-set-db!       vec val)(vector-set! vec 0 val))
(define-inline (lock-queue:db-dat-set-path!     vec val)(vector-set! vec 1 val))

(define (lock-queue:delete-lock-db dbdat)
  (let ((fname (lock-queue:db-dat-get-path dbdat)))
    (system (conc "rm -f " fname "*"))))

(define (lock-queue:open-db fname #!key (count 10))
  (let* ((actualfname (conc fname ".lockdb"))
	 (dbexists (common:file-exists? actualfname))
	 (db       (sqlite3:open-database actualfname))
	 (handler  (make-busy-timeout 136000)))
    (if dbexists
	(vector db actualfname)
	(begin
	  (handle-exceptions
	   exn
	   (begin
	     (thread-sleep! 10)
	     (if (> count 0)
		 (lock-queue:open-db fname count: (- count 1))
		 (vector db actualfname)))
	   (sqlite3:with-transaction
	    db
	    (lambda ()
	      (sqlite3:execute 
	       db
	       "CREATE TABLE IF NOT EXISTS queue (
     	         id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 start_time INTEGER,
                 state      TEXT,
                 CONSTRAINT queue_constraint UNIQUE (test_id));")
	      (sqlite3:execute
	       db
	       "CREATE TABLE IF NOT EXISTS runlocks (
                 id         INTEGER PRIMARY KEY,
                 test_id    INTEGER,
                 run_lock   TEXT,
                 CONSTRAINT runlock_constraint UNIQUE (run_lock));"))))))
    (sqlite3:set-busy-handler! db handler)
    (vector db actualfname)))

(define (lock-queue:set-state dbdat test-id newstate #!key (remtries 10))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:set-state. Trying again in 30 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 30)
	 (lock-queue:set-state dbdat test-id newstate remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to set lock state for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "UPDATE queue SET state=? WHERE test_id=?;"
		    newstate
		    test-id)))

(define (lock-queue:any-younger? dbdat mystart test-id #!key (remtries 10))
  ;; no need to wait on journal on read only queries
  ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200)
  (handle-exceptions
   exn
   (if (> remtries 0)
       (begin
	 (debug:print 0 *default-log-port* "WARNING: exception on lock-queue:any-younger. Removing lockdb and trying again in 5 seconds.")
	 (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	 (thread-sleep! 5)
         (lock-queue:delete-lock-db dbdat)
	 (lock-queue:any-younger? dbdat mystart test-id remtries: (- remtries 1)))
       (begin
	 (debug:print-error 0 *default-log-port* " Failed to find younger locks for test with id " test-id ", error: " ((condition-property-accessor 'exn 'message) exn) ", giving up.")
	 #f))
   (let ((res #f))
     (sqlite3:for-each-row
      (lambda (tid)
	;; Actually this should not be needed as mystart cannot be simultaneously less than and test-id same as 
	(if (not (equal? tid test-id)) 
	    (set! res tid)))
      (lock-queue:db-dat-get-db dbdat)
      "SELECT test_id FROM queue WHERE start_time > ?;" mystart)
     res)))

(define (lock-queue:get-lock dbdat test-id #!key (count 10)(waiting-msg #f))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 remove: #t waiting-msg: "lock-queue:get-lock, waiting on journal")
  (let* ((res       #f)
	 (db        (lock-queue:db-dat-get-db dbdat))
	 (lckqry    (sqlite3:prepare db "SELECT test_id,run_lock FROM runlocks WHERE run_lock='locked';"))
	 (mklckqry  (sqlite3:prepare db "INSERT INTO runlocks (test_id,run_lock) VALUES (?,'locked');")))
    (let ((result 
	   (handle-exceptions
	    exn
	    (begin
	      (debug:print 0 *default-log-port* "WARNING: failed to get queue lock. Removing lock db and returning fail") ;; Will try again in a few seconds")
	      (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	      (thread-sleep! 10)
	      ;; (if (> count 0)	
	      ;;  #f ;; (lock-queue:get-lock dbdat test-id count: (- count 1)) - give up on retries 
	      ;; (begin ;; never recovered, remote the lock file and return #f, no lock obtained
	      (lock-queue:delete-lock-db dbdat)
	      #f)
	    (sqlite3:with-transaction
	     db
	     (lambda ()
	       (sqlite3:for-each-row (lambda (tid lockstate)
				       (set! res (list tid lockstate)))
				     lckqry)
	       (if res
		   (if (equal? (car res) test-id)
		       #t ;; already have the lock
		       #f)
		   (begin
		     (sqlite3:execute mklckqry test-id)
		     ;; if no error handled then return #t for got the lock
		     #t)))))))
      (sqlite3:finalize! lckqry)
      (sqlite3:finalize! mklckqry)
      result)))

(define (lock-queue:release-lock fname test-id #!key (count 10))
  (let* ((dbdat (lock-queue:open-db fname)))
    (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:release-lock; waiting on journal")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to release queue lock. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! (/ count 10))
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat))
	     (lock-queue:release-lock fname test-id count: (- count 1)))
	   (let ((journal (conc fname "-journal")))
	     ;; If we've tried ten times and failed there is a serious problem
	     ;; try to remove the lock db and allow it to be recreated
	     (handle-exceptions
	      exn
	      #f
	      (if (common:file-exists? journal)(delete-file journal))
	      (if (common:file-exists? fname)  (delete-file fname))
	      #f))))
     (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE test_id=?;" test-id)
     (sqlite3:finalize! (lock-queue:db-dat-get-db dbdat)))))

(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
  (debug:print-info 0 *default-log-port* "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
  (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
  (handle-exceptions
   exn
   (begin
     (debug:print 0 *default-log-port* "WARNING: Failed to steal queue lock. Will try again in few seconds")
     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
     (thread-sleep! 10)
     (if (> count 0)
	 (lock-queue:steal-lock dbdat test-id count: (- count 1))
	 #f))
   (sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE run_lock='locked';"))
  (lock-queue:get-lock dbdat test-it))

;; returns #f if ok to skip the task
;; returns #t if ok to proceed with task
;; otherwise waits
;;
(define (lock-queue:wait-turn fname test-id #!key (count 10)(waiting-msg #f))
  (let* ((dbdat   (lock-queue:open-db fname))
	 (mystart (current-seconds))
	 (db      (lock-queue:db-dat-get-db dbdat)))
    ;; (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 *default-log-port* "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain (current-error-port))
	     #f)))
     ;; wait 10 seconds and then check to see if someone is already updating the html
     (thread-sleep! 10)
     (if (not (lock-queue:any-younger? dbdat mystart test-id)) ;; no processing in flight, must try to start processing
	 (begin
	   (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
	   (sqlite3:execute
	    db
	    "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
	    test-id mystart)
	   ;; (thread-sleep! 1) ;; give other tests a chance to register
	   (let ((result 
		  (let loop ((younger-waiting (lock-queue:any-younger? dbdat mystart test-id)))
		    (if younger-waiting
			(begin
			  ;; no need for us to wait. mark in the lock queue db as skipping
			  ;; no point in marking anything in the queue - simply never register this
			  ;; test as it is *covered* by a previously started update to the html file
			  ;; (lock-queue:set-state dbdat test-id "skipping")
			  #f) ;; let the calling process know that nothing needs to be done
			(if (lock-queue:get-lock dbdat test-id)
			    #t
			    (if (> (- (current-seconds) mystart) 36000) ;; waited too long, steal the lock
				(lock-queue:steal-lock dbdat test-id)
				(begin
				  (thread-sleep! 1)
				  (loop (lock-queue:any-younger? dbdat mystart test-id)))))))))
	     (sqlite3:finalize! db)
	     result))))))
	  
            
;; (use trace)
;; (trace lock-queue:get-lock lock-queue:release-lock lock-queue:wait-turn lock-queue:any-younger? lock-queue:set-state)
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Deleted margs.scm version [cc1616820d].

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;; Copyright 2007-2010, Matthew Welland.
;;
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.


(declare (unit margs))
;; (declare (uses common))

(define args:arg-hash (make-hash-table))

(define (args:get-arg arg . default)
  (if (null? default)
      (hash-table-ref/default args:arg-hash arg #f)
      (hash-table-ref/default args:arg-hash arg (car default))))

(define (args:any? . args)
  (not (null? (filter (lambda (x) x)
		      (map args:get-arg args)))))

(define (args:get-arg-from ht arg . default)
  (if (null? default)
      (hash-table-ref/default ht arg #f)
      (hash-table-ref/default ht arg (car default))))


(define (args:remove-arg-from-ht arg)
      (hash-table-delete! args:arg-hash arg)
)

(define (args:usage . args)
  (if (> (length args) 0)
      (apply print "ERROR: " args))
  (if (string? help)
      (print help)
      (print "Usage: " (car (argv)) " ... "))
  (exit 0))

 ;; one-of args defined
(define (args:any-defined? . param)
  (let ((res #f))
    (for-each 
     (lambda (arg)
       (if (args:get-arg arg)(set! res #t)))
     param)
    res))

;; args: 
(define (args:get-args args params switches arg-hash num-needed)
  (let* ((numargs (length args))
	 (adj-num-needed (if num-needed (+ num-needed 2) #f)))
    (if (< numargs (if adj-num-needed adj-num-needed 2))
	(if (>= num-needed 1)
	    (args:usage "No arguments provided")
	    '())
	(let loop ((arg (cadr args))
		   (tail (cddr args))
		   (remargs '()))
	  (cond 
	   ((member arg params) ;; args with params
	    (if (< (length tail) 1)
		(args:usage "param given without argument " arg)
		(let ((val     (car tail))
		      (newtail (cdr tail)))
		  (hash-table-set! arg-hash arg val)
		  (if (null? newtail) remargs
		      (loop (car newtail)(cdr newtail) remargs)))))
	   ((member arg switches)         ;; args with no params (i.e. switches)
	    (hash-table-set! arg-hash arg #t)
	    (if (null? tail) remargs
		(loop (car tail)(cdr tail) remargs)))
	   (else
	    (if (null? tail)(append remargs (list arg)) ;; return the non-used args
		(loop (car tail)(cdr tail)(append remargs (list arg))))))))
    ))

(define (args:print-args remargs arg-hash)
  (print "ARGS: " remargs)
  (for-each (lambda (arg)
	      (print "   " arg "   " (hash-table-ref/default arg-hash arg #f)))
	    (hash-table-keys arg-hash)))
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Modified megatest-version.scm from [1aac8cc071] to [5a374d2bf1].

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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..

;; (declare (unit megatest-version))

(define megatest-version 1.7009)







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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..

;; (declare (unit megatest-version))

(define megatest-version 1.8017)

Modified megatest.scm from [89decfdb89] to [55136b63dd].

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(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(declare (uses common))
;; (declare (uses megatest-version))
(declare (uses margs))







(declare (uses runs))
(declare (uses launch))
(declare (uses server))
(declare (uses client))
(declare (uses tests))
(declare (uses genexample))
;; (declare (uses daemon))

(declare (uses db))
;; (declare (uses dcommon))

(declare (uses tdb))
(declare (uses mt))
(declare (uses api))
(declare (uses tasks)) ;; only used for debugging.
(declare (uses env))
(declare (uses diff-report))
(declare (uses db))
(declare (uses dbmod))
(declare (uses dbmod.import))
(declare (uses commonmod))
(declare (uses commonmod.import))
(declare (uses dbfile))



(declare (uses dbfile.import))
;; (declare (uses debugprint))
;; (declare (uses debugprint.import))
;; (declare (uses mtargs))
;; (declare (uses mtargs.import))

;; (declare (uses ftail))
;; (import ftail)

(import dbmod


	commonmod
	dbfile)





(define *db* #f) ;; this is only for the repl, do not use in general!!!!

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "megatest-fossil-hash.scm")

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (prefix base64 base64:)
     readline apropos json http-client directory-utils typed-records
     http-client srfi-18 extras format)

;; Added for csv stuff - will be removed
;;
(use sparse-vectors)

(require-library mutils)

(define *usage-log-file* #f)    ;; put path to file for logging usage in this var in the ~/.megatestrc file
(define *usage-use-seconds* #t) ;; for Epoc seconds in usage logging change this to #t in ~/.megatestrc file





(dbfile:db-init-proc db:initialize-main-db)







;; load the ~/.megatestrc file, put (use trace)(trace-call-sites #t)(trace function-you-want-to-trace) in this file
;;
(let ((debugcontrolf (conc (get-environment-variable "HOME") "/.megatestrc")))
  (if (common:file-exists? debugcontrolf)
      (load debugcontrolf)))








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(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(declare (uses common))
;; (declare (uses megatest-version))
;; (declare (uses margs))
(declare (uses mtargs))
(declare (uses mtargs.import))
(declare (uses debugprint))
(declare (uses debugprint.import))
(declare (uses commonmod))
(declare (uses commonmod.import))

(declare (uses runs))
(declare (uses launch))
(declare (uses server))

(declare (uses tests))
(declare (uses genexample))
;; (declare (uses daemon))

(declare (uses db))
;; (declare (uses dcommon))

(declare (uses tdb))
(declare (uses mt))
(declare (uses api))
(declare (uses tasks)) ;; only used for debugging.
(declare (uses env))
(declare (uses diff-report))
(declare (uses db))
(declare (uses dbfile))
(declare (uses dbfile.import))
(declare (uses dbmod))
(declare (uses dbmod.import))
(declare (uses portlogger))
(declare (uses portlogger.import))
(declare (uses tcp-transportmod))
(declare (uses tcp-transportmod.import))
(declare (uses rmtmod))
(declare (uses rmtmod.import))

;; (declare (uses debugprint))
;; (declare (uses debugprint.import))

;; (declare (uses ftail))
;; (import ftail)

(import (prefix mtargs args:)
        debugprint
	dbmod
	commonmod
	dbfile
	portlogger
	tcp-transportmod
	rmtmod
        )

(define *db* #f) ;; this is only for the repl, do not use in general!!!!

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "megatest-fossil-hash.scm")

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (prefix base64 base64:))
(use readline apropos json http-client directory-utils typed-records)
(use http-client srfi-18 extras format tcp-server tcp)

;; Added for csv stuff - will be removed
;;
(use sparse-vectors)

(require-library mutils)

(define *usage-log-file* #f)    ;; put path to file for logging usage in this var in the ~/.megatestrc file
(define *usage-use-seconds* #t) ;; for Epoc seconds in usage logging change this to #t in ~/.megatestrc file

;; set some parameters here - these need to be put in something that can be loaded from other
;; executables such as dashboard and mtutil
;;
(include "transport-mode.scm")
(dbfile:db-init-proc db:initialize-main-db)
(debug:enable-timestamp #t) 


(set! rmtmod:send-receive rmt:send-receive)
 ;;(lambda params (apply rmt:send-receive params))) ;; make send-receive available to rmtmod via parameter


;; load the ~/.megatestrc file, put (use trace)(trace-call-sites #t)(trace function-you-want-to-trace) in this file
;;
(let ((debugcontrolf (conc (get-environment-variable "HOME") "/.megatestrc")))
  (if (common:file-exists? debugcontrolf)
      (load debugcontrolf)))

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  -load file.scm          : load and run file.scm
  -mark-incompletes       : find and mark incomplete tests
  -ping run-id|host:port  : ping server, exit with 0 if found
  -debug N|N,M,O...       : enable debug 0-N or N and M and O ...
  -debug-noprop N|M,M,O...: enable debug but do not propagate to subprocesses via MT_DEBUG
  -config fname           : override the megatest.config file with fname
  -append-config fname    : append fname to the megatest.config file


Utilities
  -env2file fname         : write the environment to fname.csh and fname.sh
  -envcap a               : save current variables labeled as context 'a' in file envdat.db
  -envdelta a-b           : output enviroment delta from context a to context b to -o fname
                            set the output mode with -dumpmode csh, bash or ini
                            note: ini format will use calls to use curr and minimize path







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  -load file.scm          : load and run file.scm
  -mark-incompletes       : find and mark incomplete tests
  -ping run-id|host:port  : ping server, exit with 0 if found
  -debug N|N,M,O...       : enable debug 0-N or N and M and O ...
  -debug-noprop N|M,M,O...: enable debug but do not propagate to subprocesses via MT_DEBUG
  -config fname           : override the megatest.config file with fname
  -append-config fname    : append fname to the megatest.config file
  -import-sexpr fname     : import a sexpr file (use -list-runs % -dumpmode sexpr to create)

Utilities
  -env2file fname         : write the environment to fname.csh and fname.sh
  -envcap a               : save current variables labeled as context 'a' in file envdat.db
  -envdelta a-b           : output enviroment delta from context a to context b to -o fname
                            set the output mode with -dumpmode csh, bash or ini
                            note: ini format will use calls to use curr and minimize path
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  -list-run-time          : list time requered to complete runs. It supports following switches
                            -run-patt <patt> -target-patt <patt> -dumpmode <csv,json,plain-text>
  -list-test-time	  : list time requered to complete each test in a run. It following following arguments
                            -runname <patt> -target <patt> -dumpmode <csv,json,plain-text>
  -syscheck               : do some very basic checks; write access and space in tmp, home, runs, links and 
                            is $DISPLAY valid 
  -list-waivers           : dump waivers for specified target, runname, testpatt to stdout


Diff report
  -diff-rep               : generate diff report (must include -src-target, -src-runname, -target, -runname
                                                  and either -diff-email or -diff-html)
  -src-target <target>
  -src-runname <target>
  -diff-email <emails>    : comma separated list of email addresses to send diff report







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  -list-run-time          : list time requered to complete runs. It supports following switches
                            -run-patt <patt> -target-patt <patt> -dumpmode <csv,json,plain-text>
  -list-test-time	  : list time requered to complete each test in a run. It following following arguments
                            -runname <patt> -target <patt> -dumpmode <csv,json,plain-text>
  -syscheck               : do some very basic checks; write access and space in tmp, home, runs, links and 
                            is $DISPLAY valid 
  -list-waivers           : dump waivers for specified target, runname, testpatt to stdout
  -db2db                  : sync db to db, use -from, -to for dbs, -period and -timeout for continuous sync

Diff report
  -diff-rep               : generate diff report (must include -src-target, -src-runname, -target, -runname
                                                  and either -diff-email or -diff-html)
  -src-target <target>
  -src-runname <target>
  -diff-email <emails>    : comma separated list of email addresses to send diff report
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			":state"  
			"-state"
			":status"
			"-status"
			"-list-runs"
                        "-testdata-csv"
			"-testpatt"
                        "--modepatt"
                        "-modepatt"
                        "-tagexpr"
			"-itempatt"
			"-setlog"
			"-set-toplog"
			"-runstep"
			"-logpro"
			"-m"
			"-rerun"

			"-days"
			"-rename-run"

			"-to"
			"-dest"
                        "-source" 
                        "-time-stamp" 
			;; values and messages
			":category"
			":variable"







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			":state"  
			"-state"
			":status"
			"-status"
			"-list-runs"
                        "-testdata-csv"
			"-testpatt"
                        ;; "--modepatt"
                        "-modepatt"
                        "-tagexpr"
			"-itempatt"
			"-setlog"
			"-set-toplog"
			"-runstep"
			"-logpro"
			"-m"
			"-rerun"

			"-days"
			"-rename-run"
			"-from"
			"-to"
			"-dest"
                        "-source" 
                        "-time-stamp" 
			;; values and messages
			":category"
			":variable"
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			"-extract-ods"
			"-pathmod"
			"-env2file"
			"-envcap"
			"-envdelta"
			"-setvars"
			"-set-state-status"




                        ;; move runs stuff here
                        "-remove-keep"           
			"-set-run-status"
			"-age"

			;; archive 







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			"-extract-ods"
			"-pathmod"
			"-env2file"
			"-envcap"
			"-envdelta"
			"-setvars"
			"-set-state-status"
			"-import-sexpr"
			"-period"  ;; sync period in seconds
			"-timeout" ;; exit sync if timeout in seconds exceeded since last change

                        ;; move runs stuff here
                        "-remove-keep"           
			"-set-run-status"
			"-age"

			;; archive 
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			"-override-timeout"
			"-test-files"  ;; -test-paths is for listing all
			"-load"        ;; load and exectute a scheme file
			"-section"
			"-var"
			"-dumpmode"
			"-run-id"

			"-ping"
			"-refdb2dat"
			"-o"
			"-log"
                        "-sync-log"
			"-since"
			"-fields"







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			"-override-timeout"
			"-test-files"  ;; -test-paths is for listing all
			"-load"        ;; load and exectute a scheme file
			"-section"
			"-var"
			"-dumpmode"
			"-run-id"
			"-db"
			"-ping"
			"-refdb2dat"
			"-o"
			"-log"
                        "-sync-log"
			"-since"
			"-fields"
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			"-create-megatest-area"
			"-mark-incompletes"

			"-convert-to-norm"
			"-convert-to-old"
			"-import-megatest.db"
			"-sync-to-megatest.db"

                        "-sync-brute-force"
			"-logging"
			"-v" ;; verbose 2, more than normal (normal is 1)
			"-q" ;; quiet 0, errors/warnings only

                        "-diff-rep"








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			"-create-megatest-area"
			"-mark-incompletes"

			"-convert-to-norm"
			"-convert-to-old"
			"-import-megatest.db"
			"-sync-to-megatest.db"
			"-db2db"
                        "-sync-brute-force"
			"-logging"
			"-v" ;; verbose 2, more than normal (normal is 1)
			"-q" ;; quiet 0, errors/warnings only

                        "-diff-rep"

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        (define *didsomething* #t)  
        (exit 1))))

;; this segment will run launch:setup only if -log is not set. This is fairly safe as servers are not
;; manually started and thus should never be started in a non-megatest area. Thus no need to handle situation
;; where (launch:setup) returns #f?
;;
(if (or (args:get-arg "-log")(args:get-arg "-server")) ;; redirect the log always when a server
    (handle-exceptions
	exn
	(begin
	  (print "ERROR: Failed to switch to log output. " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
	  )
      (let* ((tl   (or (args:get-arg "-log")(launch:setup)))   ;; run launch:setup if -server, ensure we do NOT run launch:setup if -log specified

	     (logf (or (args:get-arg "-log") ;; use -log unless we are a server, then craft a logfile name
		       (conc tl "/logs/server-" (current-process-id) "-" (get-host-name) ".log")))
	     (oup  (open-logfile logf)))
	(if (not (args:get-arg "-log"))
	    (hash-table-set! args:arg-hash "-log" logf)) ;; fake out future queries of -log
	(debug:print-info 0 *default-log-port* "Sending log output to " logf)
	(set! *default-log-port* oup))))

(if (or (args:get-arg "-h")







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        (define *didsomething* #t)  
        (exit 1))))

;; this segment will run launch:setup only if -log is not set. This is fairly safe as servers are not
;; manually started and thus should never be started in a non-megatest area. Thus no need to handle situation
;; where (launch:setup) returns #f?
;;
(if (or (args:get-arg "-log")#;(args:get-arg "-server")) ;; redirect the log always when a server
    (handle-exceptions
	exn
      (begin
	(print "ERROR: Failed to switch to log output. " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn))

      (let* ((tl   (or (args:get-arg "-log")(launch:setup)))   ;; run launch:setup if -server, ensure we do NOT run launch:setup if -log specified
	     (dbname (args:get-arg "-db"))   ;; for the server logfile name
	     (logf (or (args:get-arg "-log") ;; use -log unless we are a server, then craft a logfile name
		       (conc tl "/logs/server-"(or dbname "unk")"-"(current-process-id) "-" (get-host-name) ".log")))
	     (oup  (open-logfile logf)))
	(if (not (args:get-arg "-log"))
	    (hash-table-set! args:arg-hash "-log" logf)) ;; fake out future queries of -log
	(debug:print-info 0 *default-log-port* "Sending log output to " logf)
	(set! *default-log-port* oup))))

(if (or (args:get-arg "-h")
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					    (printf "Sending signal/term to ~A\n" pid)
					    (process-signal pid signal/term))))))
		       (process:children #f))
		      (original-exit exit-code)))))

;; for some switches always print the command to stderr
;;
(if (args:any? "-run" "-runall" "-remove-runs" "-set-state-status" "-kill-runs" "-kill-rerun")
    (debug:print 0 *default-log-port* (string-intersperse (argv) " ")))

;; some switches imply homehost. Exit here if not on homehost
;;
(let ((homehost-required  (list "-cleanup-db")))
  (if (apply args:any? homehost-required)
      (if (not (server:choose-server *toppath* 'home?))
	  (for-each
	   (lambda (switch)
	     (if (args:get-arg switch)
		 (begin
		   (debug:print 0 *default-log-port* "ERROR: you must be on the homehost to run with " switch
				", you can move homehost by removing the .homehost file but this will disrupt any runs in progress.")
		   (exit 1))))
	   homehost-required))))

;;======================================================================
;; Misc setup stuff
;;======================================================================

(debug:setup)








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					    (printf "Sending signal/term to ~A\n" pid)
					    (process-signal pid signal/term))))))
		       (process:children #f))
		      (original-exit exit-code)))))

;; for some switches always print the command to stderr
;;
(if (args:any-defined? "-run" "-runall" "-remove-runs" "-set-state-status" "-kill-runs" "-kill-rerun")
    (debug:print 0 *default-log-port* (string-intersperse (argv) " ")))















;;======================================================================
;; Misc setup stuff
;;======================================================================

(debug:setup)

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      (if out-file (close-output-port out-port))
      (exit) ;; yes, bending the rules here - need to exit since this is a utility
      ))

(if (args:get-arg "-ping")
    (let* ((server-id     (string->number (args:get-arg "-ping"))) ;; extract run-id (i.e. no ":"
	   (host:port     (args:get-arg "-ping")))


      (server:ping (or server-id host:port) #f do-exit: #t)))

;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup








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      (if out-file (close-output-port out-port))
      (exit) ;; yes, bending the rules here - need to exit since this is a utility
      ))

(if (args:get-arg "-ping")
    (let* ((server-id     (string->number (args:get-arg "-ping"))) ;; extract run-id (i.e. no ":"
	   (host:port     (args:get-arg "-ping")))
      (debug:print 0 *default-log-port* "NOT YET REIMPLEMENTED FOR TCP/INMEM") ;; bug
      (exit)))
      ;; (server:ping (or server-id host:port) #f do-exit: #t)))

;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup

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;; Start the server - can be done in conjunction with -runall or -runtests (one day...)
;;   we start the server if not running else start the client thread
;;======================================================================

;; Server? Start up here.
;;
(if (args:get-arg "-server")


    (let ((tl        (launch:setup))

          (transport-type (string->symbol (or (args:get-arg "-transport") "http"))))

      (server:launch 0 transport-type)








      (set! *didsomething* #t)))

;; The adjutant is a bit different, it does NOT run (launch:setup) as it is not necessarily tied to
;; a specific Megatest area. Detail are being hashed out and this may change.
;;
(if (args:get-arg "-adjutant")
    (begin
      (adjutant-run)
      (set! *didsomething* #t)))

(if (or (args:get-arg "-list-servers")
        (args:get-arg "-kill-servers"))
    (let ((tl (launch:setup)))


      (if tl ;; all roads from here exit
	  (let* ((servers (server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath*))
		 (fmtstr  "~33a~22a~20a~20a~8a\n"))






	    (format #t fmtstr "ID" "host:port" "age (hms)" "Last mod" "State")
	    (format #t fmtstr "==" "=========" "=========" "========" "=====")
	    (for-each ;;  ( mod-time host port start-time pid )
	     (lambda (server)
	       (let* ((mtm (any->number (car server)))
		      (mod (if mtm (- (current-seconds) mtm) "unk"))
		      (age (- (current-seconds)(or (any->number (list-ref server 3)) (current-seconds))))
		      (url (conc (cadr server) ":" (caddr server)))
		      (pid (list-ref server 4))

		      (alv (if (number? mod)(< mod 10) #f)))
		 (format #t
			 fmtstr
			 pid
			 url
			 (seconds->hr-min-sec age)
			 (seconds->hr-min-sec mod)
			 (if alv "alive" "dead"))
		 (if (and alv
			  (args:get-arg "-kill-servers"))
		     (begin
		       (debug:print-info 0 *default-log-port* "Attempting to kill server with pid " pid)
		       (server:kill server)))))
	     (sort servers (lambda (a b)
			     (let ((ma (or (any->number (car a)) 9e9))
				   (mb (or (any->number (car b)) 9e9)))
			       (> ma mb)))))
	    ;; (debug:print-info 1 *default-log-port* "Done with listservers")
	    (set! *didsomething* #t)
	    (exit))
	  (exit))))
      ;; must do, would have to add checks to many/all calls below

;;======================================================================
;; Weird special calls that need to run *after* the server has started?







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;; Start the server - can be done in conjunction with -runall or -runtests (one day...)
;;   we start the server if not running else start the client thread
;;======================================================================

;; Server? Start up here.
;;
(if (args:get-arg "-server")
    (let* (;; (run-id     (args:get-arg "-run-id"))
	   (dbfname    (args:get-arg "-db"))
	   (tl         (launch:setup))
	   (keys       (keys:config-get-fields *configdat*)))
      (case (rmt:transport-mode)
	((tcp)
	 (let* ((timeout    (server:expiration-timeout)))
	   (debug:print 0 *default-log-port* "INFO: Running using tcp method with server timeout of "timeout)
	   (tt-server-timeout-param timeout)
	   (if dbfname
	       (tt:start-server tl #f dbfname api:tcp-dispatch-request-make-handler keys)
	       (begin
		 (debug:print 0 *default-log-port* "ERROR: transport mode is tcp - -db is required.")
		 (exit 1)))))
	(else (debug:print 0 *default-log-port* "ERROR: rmt:transport-mode value not recognised "(rmt:transport-mode))))
      (set! *didsomething* #t)))

;; The adjutant is a bit different, it does NOT run (launch:setup) as it is not necessarily tied to
;; a specific Megatest area. Detail are being hashed out and this may change.
;;
(if (args:get-arg "-adjutant")
    (begin
      (adjutant-run)
      (set! *didsomething* #t)))

(if (or (args:get-arg "-list-servers")
        (args:get-arg "-kill-servers"))
    (let ((tl (launch:setup)))
      (debug:print 0 *default-log-port* "NOT YET REIMPLEMENTED FOR TCP/INMEM") ;; BUG
      (exit)
      (if tl ;; all roads from here exit
	  (let* ((servers (server:choose-server *toppath* 'all-valid)) ;; (server:get-list *toppath*))
		 (fmtstr  "~33a~22a~20a~20a~8a\n"))
            (if (not servers)
              (begin
                (debug:print-info 1 *default-log-port* "No servers found")
                (exit)
              )
            )
       	    (format #t fmtstr "PID" "host:port" "age (hms)" "Last mod" "State")
	    (format #t fmtstr "===" "=========" "=========" "========" "=====")
	    (for-each ;;  (ip-addr port? mod-time host port start-time pid )
	     (lambda (server)
	       (let* ((mtm (any->number (caddr server)))
		      (mod (if mtm (- (current-seconds) mtm) "unk"))
		      (age (- (current-seconds)(or (any->number mtm) (current-seconds))))

		      (pid (list-ref server 4))
		      (url (conc (car server) ":" (cadr server)))
		      (alv (if (number? mod)(< mod 360) #f)))
		 (format #t
			 fmtstr
			 pid
			 url
			 (seconds->hr-min-sec age)
			 (seconds->hr-min-sec mod)
			 (if alv "alive" "dead"))
		 (if (and alv
			  (args:get-arg "-kill-servers"))
		     (begin
		       (debug:print-info 0 *default-log-port* "Attempting to kill server with pid " pid)
		       (server:kill server)))))
	     (sort servers (lambda (a b)
			     (let ((ma (or (any->number (car a)) 9e9))
				   (mb (or (any->number (car b)) 9e9)))
			       (> ma mb)))))

	    (set! *didsomething* #t)
	    (exit))
	  (exit))))
      ;; must do, would have to add checks to many/all calls below

;;======================================================================
;; Weird special calls that need to run *after* the server has started?
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;; NOTE: list-runs and list-db-targets operate on local db!!!
;;
;; IDEA: megatest list -runname blah% ...
;;
(if (or (args:get-arg "-list-runs")
	(args:get-arg "-list-db-targets"))
    (if (launch:setup)
	(let* (;; (dbstruct    (make-dbr:dbstruct path: *toppath* local: (args:get-arg "-local")))
	       (runpatt     (args:get-arg "-list-runs"))
               (access-mode (db:get-access-mode))
	       (testpatt    (common:args-get-testpatt #f))
	       ;; (if (args:get-arg "-testpatt") 
	       ;;  	        (args:get-arg "-testpatt") 
	       ;;  	        "%"))
	       (keys        (rmt:get-keys)) ;; (db:get-keys dbstruct))
	       ;; (runsdat  (db:get-runs dbstruct runpatt #f #f '()))







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;; NOTE: list-runs and list-db-targets operate on local db!!!
;;
;; IDEA: megatest list -runname blah% ...
;;
(if (or (args:get-arg "-list-runs")
	(args:get-arg "-list-db-targets"))
    (if (launch:setup)

	(let* ((runpatt     (args:get-arg "-list-runs"))
               (access-mode (db:get-access-mode))
	       (testpatt    (common:args-get-testpatt #f))
	       ;; (if (args:get-arg "-testpatt") 
	       ;;  	        (args:get-arg "-testpatt") 
	       ;;  	        "%"))
	       (keys        (rmt:get-keys)) ;; (db:get-keys dbstruct))
	       ;; (runsdat  (db:get-runs dbstruct runpatt #f #f '()))
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	       (tests-spec  (let ((t (alist-ref "tests" fields-spec equal?)))
			      (if (and t (null? t)) ;; all fields
				  db:test-record-fields
				  t)))
	       (adj-tests-spec (delete-duplicates (if tests-spec (cons "id" tests-spec) db:test-record-fields))) ;; '("id"))))
	       (steps-spec  (alist-ref "steps" fields-spec equal?))
	       (test-field-index (make-hash-table)))





	  (if (and tests-spec (not (null? tests-spec))) ;; do some validation and processing of the test-spec
	      (let ((invalid-tests-spec (filter (lambda (x)(not (member x db:test-record-fields))) tests-spec)))
		(if (null? invalid-tests-spec)
		    ;; generate the lookup map test-field-name => index-number
		    (let loop ((hed (car adj-tests-spec))
			       (tal (cdr adj-tests-spec))
			       (idx 0))







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	       (tests-spec  (let ((t (alist-ref "tests" fields-spec equal?)))
			      (if (and t (null? t)) ;; all fields
				  db:test-record-fields
				  t)))
	       (adj-tests-spec (delete-duplicates (if tests-spec (cons "id" tests-spec) db:test-record-fields))) ;; '("id"))))
	       (steps-spec  (alist-ref "steps" fields-spec equal?))
	       (test-field-index (make-hash-table)))
	  (if (and (args:get-arg "-dumpmode")
		   (not (member (args:get-arg "-dumpmode") '("sexpr" "json" "ods" "list"))))
	      (begin
		(debug:print 0 *default-log-port* "ERROR: dumpmode "(args:get-arg "-dumpmode")" not recognised. Use sexpr, json, ods or list")
		(exit)))
	  (if (and tests-spec (not (null? tests-spec))) ;; do some validation and processing of the test-spec
	      (let ((invalid-tests-spec (filter (lambda (x)(not (member x db:test-record-fields))) tests-spec)))
		(if (null? invalid-tests-spec)
		    ;; generate the lookup map test-field-name => index-number
		    (let loop ((hed (car adj-tests-spec))
			       (tal (cdr adj-tests-spec))
			       (idx 0))
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			;; (mutils:hierhash-set! data (db:get-value-by-header run header "status")     targetstr runname "meta" "status"     )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "state")      targetstr runname "meta" "state"      )
			;; (mutils:hierhash-set! data (conc (db:get-value-by-header run header "id"))  targetstr runname "meta" "id"         )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "event_time") targetstr runname "meta" "event_time" )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "comment")    targetstr runname "meta" "comment"    )
			;; ;; add last entry twice - seems to be a bug in hierhash?
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "comment")    targetstr runname "meta" "comment"    )
		       (else
			(if (null? runs-spec)
			    (print "Run: " targetstr "/" runname 
				   " status: " (db:get-value-by-header run header "state")
				   " run-id: " run-id ", number tests: " (length tests)
				   " event_time: " (db:get-value-by-header run header "event_time"))
			    (begin
			      (if (not (member "target" runs-spec))
			          ;; (display (conc "Target: " targetstr))
			          (display (conc "Run: " targetstr "/" runname " ")))
			      (for-each
			       (lambda (field-name)
				 (if (equal? field-name "target")
				     (display (conc "target: " targetstr " "))
				     (display (conc field-name ": " (db:get-value-by-header run header (conc field-name)) " "))))
			       runs-spec)
			      (newline)))))



		       
		     (for-each 
		      (lambda (test)
		      	(common:debug-handle-exceptions #f
			 exn
			 (begin
			   (debug:print-error 0 *default-log-port* "Bad data in test record? " test)







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			;; (mutils:hierhash-set! data (db:get-value-by-header run header "status")     targetstr runname "meta" "status"     )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "state")      targetstr runname "meta" "state"      )
			;; (mutils:hierhash-set! data (conc (db:get-value-by-header run header "id"))  targetstr runname "meta" "id"         )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "event_time") targetstr runname "meta" "event_time" )
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "comment")    targetstr runname "meta" "comment"    )
			;; ;; add last entry twice - seems to be a bug in hierhash?
			;; (mutils:hierhash-set! data (db:get-value-by-header run header "comment")    targetstr runname "meta" "comment"    )
		       ((#f list)
			(if (null? runs-spec)
			    (print "Run: " targetstr "/" runname 
				   " status: " (db:get-value-by-header run header "state")
				   " run-id: " run-id ", number tests: " (length tests)
				   " event_time: " (db:get-value-by-header run header "event_time"))
			    (begin
			      (if (not (member "target" runs-spec))
			          ;; (display (conc "Target: " targetstr))
			          (display (conc "Run: " targetstr "/" runname " ")))
			      (for-each
			       (lambda (field-name)
				 (if (equal? field-name "target")
				     (display (conc "target: " targetstr " "))
				     (display (conc field-name ": " (db:get-value-by-header run header (conc field-name)) " "))))
			       runs-spec)
			      (newline))))
		       (else
			(debug:print 0 *default-log-port* "ERROR: dumpmode "(args:get-arg "-dumpmode")" not recognised. Use sexpr, json, ods or list")
			))
		       
		     (for-each 
		      (lambda (test)
		      	(common:debug-handle-exceptions #f
			 exn
			 (begin
			   (debug:print-error 0 *default-log-port* "Bad data in test record? " test)
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       "-runall"
       "run all tests"
       (lambda (target runname keys keyvals)
	 (if (or (string-search "%" target)
		 (string-search "%" runname)) ;; we are being asked to re-run multiple runs
	     (let* ((run-specs (rmt:simple-get-runs runname #f #f target #f))) ;; list of simple-run records
	       (debug:print-info 0 *default-log-port* "Pattern supplied for target or runname with "
				 (length run-specs) " matches round. Running each in turn.")
	       (if (null? run-specs)
		   (debug:print 0 *default-log-port* "WARNING: No runs match target " target " and runname " runname))
	       (for-each (lambda (spec) 
			   (let* ((precmd     (if (args:get-arg "-precmd")(conc (args:get-arg "-precmd") " ") ""))
				  (newcmdline (conc
					       precmd
					       (string-substitute







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       "-runall"
       "run all tests"
       (lambda (target runname keys keyvals)
	 (if (or (string-search "%" target)
		 (string-search "%" runname)) ;; we are being asked to re-run multiple runs
	     (let* ((run-specs (rmt:simple-get-runs runname #f #f target #f))) ;; list of simple-run records
	       (debug:print-info 0 *default-log-port* "Pattern supplied for target or runname with "
				 (length run-specs) " matches found. Running each in turn.")
	       (if (null? run-specs)
		   (debug:print 0 *default-log-port* "WARNING: No runs match target " target " and runname " runname))
	       (for-each (lambda (spec) 
			   (let* ((precmd     (if (args:get-arg "-precmd")(conc (args:get-arg "-precmd") " ") ""))
				  (newcmdline (conc
					       precmd
					       (string-substitute
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;;======================================================================

(if (args:get-arg "-extract-ods")
    (general-run-call
     "-extract-ods"
     "Make ods spreadsheet"
     (lambda (target runname keys keyvals)
       (let ((dbstruct   (make-dbr:dbstruct path: *toppath* local: #t))
	     (outputfile (args:get-arg "-extract-ods"))
	     (runspatt   (or (args:get-arg "-runname")(args:get-arg ":runname")))
	     (pathmod    (args:get-arg "-pathmod")))
	     ;; (keyvalalist (keys->alist keys "%")))
	 (debug:print 2 *default-log-port* "Extract ods, outputfile: " outputfile " runspatt: " runspatt " keyvals: " keyvals)
	 (db:extract-ods-file dbstruct outputfile keyvals (if runspatt runspatt "%") pathmod)
	 (db:close-all dbstruct)







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;;======================================================================

(if (args:get-arg "-extract-ods")
    (general-run-call
     "-extract-ods"
     "Make ods spreadsheet"
     (lambda (target runname keys keyvals)
       (let ((dbstruct   (make-dbr:dbstruct areapath: *toppath* local: #t))
	     (outputfile (args:get-arg "-extract-ods"))
	     (runspatt   (or (args:get-arg "-runname")(args:get-arg ":runname")))
	     (pathmod    (args:get-arg "-pathmod")))
	     ;; (keyvalalist (keys->alist keys "%")))
	 (debug:print 2 *default-log-port* "Extract ods, outputfile: " outputfile " runspatt: " runspatt " keyvals: " keyvals)
	 (db:extract-ods-file dbstruct outputfile keyvals (if runspatt runspatt "%") pathmod)
	 (db:close-all dbstruct)
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	      (begin
		(debug:print 0 *default-log-port* "Failed to setup, exiting")
		(exit 1)))

	  (if (args:get-arg "-runstep")(debug:print-info 1 *default-log-port* "Running -runstep, first change to directory " work-area))
	  (change-directory work-area)
	  ;; can setup as client for server mode now
	  ;; (client:setup)

	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either rmt: or open-run-close
	      (tdb:load-test-data run-id test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))







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	      (begin
		(debug:print 0 *default-log-port* "Failed to setup, exiting")
		(exit 1)))

	  (if (args:get-arg "-runstep")(debug:print-info 1 *default-log-port* "Running -runstep, first change to directory " work-area))
	  (change-directory work-area)
	  ;; can setup as client for server mode now


	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either rmt: or open-run-close
	      (tdb:load-test-data run-id test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))
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(if (args:get-arg "-cleanup-db")
    (begin
      (if (not (launch:setup))
	  (begin
	    (debug:print 0 *default-log-port* "Failed to setup, exiting") 
	    (exit 1)))






      (let ((dbstructs (db:setup #f)))
        (common:cleanup-db dbstructs))
      (set! *didsomething* #t)))

(if (args:get-arg "-mark-incompletes")
    (begin
      (if (not (launch:setup))







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(if (args:get-arg "-cleanup-db")
    (begin
      (if (not (launch:setup))
	  (begin
	    (debug:print 0 *default-log-port* "Failed to setup, exiting") 
	    (exit 1)))

;;      (if (not (server:choose-server *toppath* 'home?))
;;	  (begin
;;	    (debug:print 0 *default-log-port* "Servers are not running on this host or no servers alive. Cannot run cleanup-db")
;;	    (exit 1)))

      (let ((dbstructs (db:setup #f)))
        (common:cleanup-db dbstructs))
      (set! *didsomething* #t)))

(if (args:get-arg "-mark-incompletes")
    (begin
      (if (not (launch:setup))
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    (exit 0)))

(if (or (getenv "MT_RUNSCRIPT")
	(args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (launch:setup))
	   (dbstructs (if (and toppath


                               (server:choose-server toppath 'home?))
                          (db:setup #t)
                          #f))) ;; make-dbr:dbstruct path: toppath local: (args:get-arg "-local")) #f)))
      (if *toppath*
	  (cond
	   ((getenv "MT_RUNSCRIPT")
	    ;; How to run megatest scripts
	    ;;







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    (exit 0)))

(if (or (getenv "MT_RUNSCRIPT")
	(args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (launch:setup))
	   (dbstructs (if (and toppath
			       ;; NOTE: server:choose-server is starting a server
			       ;;   either add equivalent for tcp mode or ????
                               #;(server:choose-server toppath 'home?))
                          (db:setup #t)
                          #f))) ;; make-dbr:dbstruct path: toppath local: (args:get-arg "-local")) #f)))
      (if *toppath*
	  (cond
	   ((getenv "MT_RUNSCRIPT")
	    ;; How to run megatest scripts
	    ;;
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       'killservers
       'dejunk
       'adj-testids
       'old2new
       )
      (set! *didsomething* #t)))

(when (args:get-arg "-sync-brute-force")

  (launch:setup)
  ((server:get-bruteforce-syncer (db:setup #t) persist-until-sync: #t))

  (set! *didsomething* #t))

(if (args:get-arg "-sync-to-megatest.db")
    (let* ((duh      (launch:setup))
	   (dbstruct (db:setup #t))
	   (tmpdbpth (dbr:dbstruct-tmppath dbstruct))
	   (lockfile (conc tmpdbpth ".lock"))
	   (locked   (common:simple-file-lock lockfile)) 







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       'killservers
       'dejunk
       'adj-testids
       'old2new
       )
      (set! *didsomething* #t)))

(if (args:get-arg "-import-sexpr")
    (begin
      (launch:setup)

      (rmt:import-sexpr (args:get-arg "-import-sexpr"))
      (set! *didsomething* #t)))

(if (args:get-arg "-sync-to-megatest.db")
    (let* ((duh      (launch:setup))
	   (dbstruct (db:setup #t))
	   (tmpdbpth (dbr:dbstruct-tmppath dbstruct))
	   (lockfile (conc tmpdbpth ".lock"))
	   (locked   (common:simple-file-lock lockfile)) 
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      (set! *didsomething* #t)))

(if (args:get-arg "-sync-to")
    (let ((toppath (launch:setup)))
      (tasks:sync-to-postgres *configdat* (args:get-arg "-sync-to"))
      (set! *didsomething* #t)))























































(if (args:get-arg "-list-test-time")
     (let* ((toppath (launch:setup))) 
     (task:get-test-times)  
     (set! *didsomething* #t)))

(if (args:get-arg "-list-run-time")
     (let* ((toppath (launch:setup))) 







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      (set! *didsomething* #t)))

(if (args:get-arg "-sync-to")
    (let ((toppath (launch:setup)))
      (tasks:sync-to-postgres *configdat* (args:get-arg "-sync-to"))
      (set! *didsomething* #t)))

;; use with -from and -to
;;
(if (args:get-arg "-db2db")
    (let* ((duh         (launch:setup))
	   (src-db      (args:get-arg "-from"))
	   (dest-db     (args:get-arg "-to"))
	   ;; (sync-period (args:get-arg-number "-period"))
	   ;; (sync-timeout (args:get-arg-number "-timeout"))
	   (sync-period-in  (args:get-arg "-period"))
	   (sync-timeout-in (args:get-arg "-timeout"))
	   (sync-period     (if sync-period-in (string->number sync-period-in) #f))
	   (sync-timeout    (if sync-timeout-in (string->number sync-timeout-in) #f))
	   (lockfile    (conc dest-db".sync-lock"))
	   (keys        (db:get-keys #f))
	   (thesync     (lambda (last-update)
			  (debug:print-info 0 *default-log-port* "Attempting to sync data from "src-db" to "dest-db"...")
			  (if (not (file-exists? dest-db))
			      (begin
				(debug:print 0 *default-log-port* "Using copy to create "dest-db" from "src-db)
				(file-copy src-db dest-db)
				1)
			      (let ((res (dbmod:db-to-db-sync src-db dest-db last-update (dbfile:db-init-proc) keys)))
				(if res
				    (debug:print-info 0 *default-log-port* "Synced " res " records from "src-db" to "dest-db)
				    (debug:print-info 0 *default-log-port* "No sync due to permissions or other issue."))
				res))))
	   (start-time  (current-seconds)))
      (if (and src-db dest-db)
	  (if (file-exists? src-db)
	      (if (file-exists? lockfile)
		  (debug:print 0 *default-log-port* "Lock "lockfile" exists, skipping sync...")
		  (dbfile:with-simple-file-lock
		   lockfile
		   (lambda ()
		     (let loop ((last-changed (current-seconds))
				(last-update  0))
		       (let* ((changes (handle-exceptions
					   exn
					   (begin
					     (debug:print 0 *default-log-port* "Exception in sync: "(condition->list exn))
					     (delete-file lockfile)
					     (exit))
					 (thesync last-update)))
			      (now-time (current-seconds)))
			 (if (and sync-period sync-timeout) ;; 
			     (if (and (< (- now-time start-time) 600) ;; hard limit on how long we run for
				      (>  sync-timeout (- now-time last-changed)))
				 (begin
				   (if sync-period (thread-sleep! sync-period))
				   (loop (if (> changes 0) now-time last-changed) now-time)))))))))
	      (debug:print 0 *default-log-port* "No sync due to unreadble or non-existant source file"src-db))
	  (debug:print 0 *default-log-port* "Usage for -db2db; -to and -from must be specified"))
      (set! *didsomething* #t)))

(if (args:get-arg "-list-test-time")
     (let* ((toppath (launch:setup))) 
     (task:get-test-times)  
     (set! *didsomething* #t)))

(if (args:get-arg "-list-run-time")
     (let* ((toppath (launch:setup))) 

Deleted mlaunch.scm version [5bcd34288f].

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;; Copyright 2006-2014, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

;;======================================================================
;; MLAUNCH
;;
;;   take jobs from the given queue and keep launching them keeping
;;   the cpu load at the targeted level
;;
;;======================================================================

(use sqlite3 srfi-1 posix regex regex-case srfi-69 format)

(declare (unit mlaunch))
(declare (uses db))
(declare (uses common))

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Modified monitor.scm from [3df55c85ea] to [3205ec8bdb].

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(import (prefix sqlite3 sqlite3:))

(declare (unit runs))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))



(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")








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(import (prefix sqlite3 sqlite3:))

(declare (unit runs))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses commonmod))
(import commonmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")

Modified mt.scm from [f748d1dc75] to [9ff41cb92d].

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;;


(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking (srfi 18) posix-extras directory-utils call-with-environment-variables)
(import (prefix sqlite3 sqlite3:))

(declare (unit mt))

(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses runs))
(declare (uses rmt))
;; (declare (uses filedb))




(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")








>








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;;


(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking (srfi 18) posix-extras directory-utils call-with-environment-variables)
(import (prefix sqlite3 sqlite3:))

(declare (unit mt))
(declare (uses debugprint))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses runs))
(declare (uses rmt))
(declare (uses rmtmod))

(import debugprint
	rmtmod)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

Modified mtargs.scm from [1e6b59e54f] to [22cf29b180].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit mtargs))



(include "mtargs/mtargs.scm")







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit mtargs))

(use srfi-69)

(include "mtargs/mtargs.scm")

Added mtargs/mtargs.egg version [deacd4afda].















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((license "LGPL")
 (version 0.1)
 (category misc)
 (dependencies srfi-69 srfi-1)
 (author "Matt Welland")
 (synopsis "Primitive argument processor.")
 (components (extension mtargs)))

Modified mtargs/mtargs.scm from [54d4e74749] to [09e4f74c98].

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;;     along with mtargs.  If not, see <http://www.gnu.org/licenses/>.


(module mtargs
    (
     arg-hash
     get-arg
     get-arg-from
     usage
     get-args

     print-args
     any-defined?
     help
     )


(import scheme chicken data-structures extras posix ports files)



(use srfi-69 srfi-1)





(define arg-hash (make-hash-table))
(define help "")

(define (get-arg arg . default)
  (if (null? default)
      (hash-table-ref/default arg-hash arg #f)
      (hash-table-ref/default arg-hash arg (car default))))











(define (any-defined? . args)
  (not (null? (filter (lambda (x) x)
		      (map get-arg args)))))

;; (define any any-defined?)

(define (get-arg-from ht arg . default)
  (if (null? default)
      (hash-table-ref/default ht arg #f)
      (hash-table-ref/default ht arg (car default))))

(define (usage . args)
  (if (> (length args) 0)
      (apply print "ERROR: " args))
  (if (string? help)
      (print help)
      (print "Usage: " (car (argv)) " ... "))
  (exit 0))

 ;; one-of args defined
(define (any-defined? . param)
  (let ((res #f))
    (for-each 
     (lambda (arg)
       (if (get-arg arg)(set! res #t)))
     param)
    res))

;; args: 
(define (get-args args params switches arg-hash num-needed)
  (let* ((numtargs (length args))
	 (adj-num-needed (if num-needed (+ num-needed 2) #f)))
    (if (< numtargs (if adj-num-needed adj-num-needed 2))
	(if (>= num-needed 1)
	    (usage "No arguments provided")
	    '())







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;;     along with mtargs.  If not, see <http://www.gnu.org/licenses/>.


(module mtargs
    (
     arg-hash
     get-arg
     get-arg-number
     get-arg-from
     get-args
     usage
     print-args
     any-defined?

     ) 

(import scheme) ;; gives us cond-expand in chicken-4

(cond-expand
 (chicken-5
  (import scheme (chicken base) (chicken port) (chicken file) (chicken process-context))
  (import srfi-69 srfi-1))
 (chicken-4
  (import chicken posix srfi-69 srfi-1))
 (else))

(define usage (make-parameter print))
(define arg-hash (make-hash-table))


(define (get-arg arg . default)
  (if (null? default)
      (hash-table-ref/default arg-hash arg #f)
      (hash-table-ref/default arg-hash arg (car default))))

;; get an arg as a number
(define (get-arg-number arg . default)
  (let* ((val-str (get-arg arg))
	 (val     (if val-str (string->number val-str) #f)))
    (if val
	val
	(if (null? default)
	    #f
	    default))))

(define (any-defined? . args)
  (not (null? (filter (lambda (x) x)
		      (map get-arg args)))))

;; (define any any-defined?)

(define (get-arg-from ht arg . default)
  (if (null? default)
      (hash-table-ref/default ht arg #f)
      (hash-table-ref/default ht arg (car default))))



















(define (get-args args params switches arg-hash num-needed)
  (let* ((numtargs (length args))
	 (adj-num-needed (if num-needed (+ num-needed 2) #f)))
    (if (< numtargs (if adj-num-needed adj-num-needed 2))
	(if (>= num-needed 1)
	    (usage "No arguments provided")
	    '())
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	    (if (null? tail) remtargs
		(loop (car tail)(cdr tail) remtargs)))
	   (else
	    (if (null? tail)(append remtargs (list arg)) ;; return the non-used args
		(loop (car tail)(cdr tail)(append remtargs (list arg))))))))
    ))

(define (print-args remtargs arg-hash)
  (print "ARGS: " remtargs)
  (for-each (lambda (arg)
	      (print "   " arg "   " (hash-table-ref/default arg-hash arg #f)))
	    (hash-table-keys arg-hash)))





)








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	    (if (null? tail) remtargs
		(loop (car tail)(cdr tail) remtargs)))
	   (else
	    (if (null? tail)(append remtargs (list arg)) ;; return the non-used args
		(loop (car tail)(cdr tail)(append remtargs (list arg))))))))
    ))

(define (print-args arg-hash)

  (for-each (lambda (arg)
	      (print "   " arg "   " (hash-table-ref/default arg-hash arg #f)))
	    (hash-table-keys arg-hash)))

(define (any-defined? . args)
  (not (null? (filter (lambda (x) x)
		      (map get-arg args)))))


)

Modified mtexec.scm from [6016ee8684] to [fd5a49b5a6].

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(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     )

;; (declare (uses common))
(declare (uses margs))
(declare (uses configf))
;; (declare (uses rmt))




;; (use ducttape-lib)
(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")

;; (require-library stml)








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(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     )

;; (declare (uses common))
(declare (uses mtargs))
(declare (uses configf))
;; (declare (uses rmt))
(declare (uses commonmod))
(import commonmod
	(prefix mtargs args:))

;; (use ducttape-lib)
(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")

;; (require-library stml)

Modified mtut.scm from [413cf26858] to [156220c91d].

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;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;












;; (include "common.scm")
(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     (prefix sqlite3 sqlite3:)
     nanomsg)

(declare (uses common))
(declare (uses margs))
(declare (uses configf))
;; (declare (uses rmt))

(use ducttape-lib)

(include "megatest-fossil-hash.scm")

(require-library stml)








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;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;
(declare (uses common))
(declare (uses mtargs))
(declare (uses mtargs.import))
(declare (uses debugprint))
(declare (uses debugprint.import))
(declare (uses configf))
;; (declare (uses rmt))
(declare (uses commonmod))
(declare (uses commonmod.import))

(import debugprint)
					; (include "common.scm")
(include "megatest-version.scm")

;; fake out readline usage of toplevel-command
(define (toplevel-command . a) #f)

(use srfi-1 posix srfi-69 readline ;;  regex regex-case srfi-69 apropos json http-client directory-utils rpc typed-records;; (srfi 18) extras)
   srfi-19  srfi-18 extras format pkts regex regex-case
     (prefix dbi dbi:)
     (prefix sqlite3 sqlite3:)
     nanomsg)

(import commonmod
	(prefix mtargs args:))



(use ducttape-lib)

(include "megatest-fossil-hash.scm")

(require-library stml)

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	       (args:get-arg "-envcap")
	       (args:get-arg "-envdelta")
	       (member *action* '("db" "tsend" "tlisten"))   ;; very loose checks on db and tsend/listen
	       (equal? *action* "show")    ;; just keep going if list
	       )))
    (debug:print-error 0 *default-log-port* "Unrecognised arguments: " (string-intersperse (if (list? remargs) remargs (argv))  " ")))

(if (or (args:any? "-h" "help" "-help" "--help")
	(member *action* '("-h" "-help" "--help" "help")))
    (begin
      (print help)
      (exit 1)))

;;======================================================================
;; Nanomsg transport







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	       (args:get-arg "-envcap")
	       (args:get-arg "-envdelta")
	       (member *action* '("db" "tsend" "tlisten"))   ;; very loose checks on db and tsend/listen
	       (equal? *action* "show")    ;; just keep going if list
	       )))
    (debug:print-error 0 *default-log-port* "Unrecognised arguments: " (string-intersperse (if (list? remargs) remargs (argv))  " ")))

(if (or (args:any-defined? "-h" "help" "-help" "--help")
	(member *action* '("-h" "-help" "--help" "help")))
    (begin
      (print help)
      (exit 1)))

;;======================================================================
;; Nanomsg transport
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	    (set! ret #f))
	(if (string-contains cmd "-modepatt")
	    (if (check-if-modepatt-defined pkta notification-hook pktfile)
		(print "Modepatt is valid")
		(set! ret #f)))) 
    ret))

   

;; collect all needed data and create run pkts for contours with changed inputs
;;
(define (dispatch-commands mtconf toppath)
  ;; we are expecting a directory "logs", check and create it, create the log in /tmp if not able to create logs dir
  (let ((logdir
	 (if (if (not (directory? "logs"))
		 (handle-exceptions







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	    (set! ret #f))
	(if (string-contains cmd "-modepatt")
	    (if (check-if-modepatt-defined pkta notification-hook pktfile)
		(print "Modepatt is valid")
		(set! ret #f)))) 
    ret))



;; collect all needed data and create run pkts for contours with changed inputs
;;
(define (dispatch-commands mtconf toppath)
  ;; we are expecting a directory "logs", check and create it, create the log in /tmp if not able to create logs dir
  (let ((logdir
	 (if (if (not (directory? "logs"))
		 (handle-exceptions
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       (let* ((rgconfdat (find-and-read-config (conc toppath "/runconfigs.config")))
	      (rgconf    (car rgconfdat))
	      (areas     (configf:get-section mtconf "areas"))
	      (contours  (configf:get-section mtconf "contours"))
	      (pkts      (find-pkts pdb '(cmd) '()))
	      (torun     (make-hash-table)) ;; target => ( ... info ... )
	      (rgentargs (hash-table-keys rgconf))) ;; these are the targets registered for automatically triggering

         (sqlite3:set-busy-handler! (dbi:db-conn pdb) (sqlite3:make-busy-timeout 10000))
	 (for-each
	  (lambda (pktdat)
	    (let* ((pkta    (alist-ref 'apkt pktdat))
		   (action  (alist-ref 'A pkta))
		   (cmdline (pkt->cmdline pkta))
		   (uuid    (alist-ref 'Z pkta))







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       (let* ((rgconfdat (find-and-read-config (conc toppath "/runconfigs.config")))
	      (rgconf    (car rgconfdat))
	      (areas     (configf:get-section mtconf "areas"))
	      (contours  (configf:get-section mtconf "contours"))
	      (pkts      (find-pkts pdb '(cmd) '()))
	      (torun     (make-hash-table)) ;; target => ( ... info ... )
	      (rgentargs (hash-table-keys rgconf))) ;; these are the targets registered for automatically triggering
         (debug:print 0 *default-log-port* "dispatch-commands: number of pkts = " (length pkts))
         (sqlite3:set-busy-handler! (dbi:db-conn pdb) (sqlite3:make-busy-timeout 10000))
	 (for-each
	  (lambda (pktdat)
	    (let* ((pkta    (alist-ref 'apkt pktdat))
		   (action  (alist-ref 'A pkta))
		   (cmdline (pkt->cmdline pkta))
		   (uuid    (alist-ref 'Z pkta))
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			      (system notification-cmd))))
		      (begin
			;; if modepatt used chek if it is defined for the target. If -reqtarg check if target exist.
			(if (validate-cmd fullcmd pkta notification-hook pktfile)
			    (begin
			      (print "RUNNING: " fullcmd)
			      (system fullcmd) ;; replace with process ...


			      (mark-processed pdb (list (alist-ref 'id pktdat)))

			      (let-values (((ack-uuid ack-pkt)
					    (add-z-card
					     (construct-sdat 'P uuid
							     'T (case (string->symbol action)
								  ((run) "runstart")
								  ((sync) "syncstart")    ;; example of translating run -> runstart
								  (else   action))







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			      (system notification-cmd))))
		      (begin
			;; if modepatt used chek if it is defined for the target. If -reqtarg check if target exist.
			(if (validate-cmd fullcmd pkta notification-hook pktfile)
			    (begin
			      (print "RUNNING: " fullcmd)
			      (system fullcmd) ;; replace with process ...
                              (debug:print 0 *default-log-port* "doing mark-processed. pktsdir: " pktsdir)
                              (debug:print 0 *default-log-port* "fullcmd: " fullcmd)
			      (mark-processed pdb (list (alist-ref 'id pktdat)))
                              (thread-sleep! 100)
			      (let-values (((ack-uuid ack-pkt)
					    (add-z-card
					     (construct-sdat 'P uuid
							     'T (case (string->symbol action)
								  ((run) "runstart")
								  ((sync) "syncstart")    ;; example of translating run -> runstart
								  (else   action))

Modified newdashboard.scm from [a0c1909f88] to [e167b54c9d].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================







(use format)

(use (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup)

(use sql-de-lite srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors ;; defstruct
     (prefix dbi dbi:))

(declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))

;; (declare (uses launch))
;; (declare (uses gutils))
;; (declare (uses db))
;; (declare (uses server))
;; (declare (uses synchash))
(declare (uses dcommon))
;; (declare (uses tree))
;; 
;; (include "common_records.scm")
;; (include "db_records.scm")
;; (include "key_records.scm")








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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (uses common))
(declare (uses debugprint))
(declare (uses megatest-version))
(declare (uses mtargs))
(declare (uses commonmod))

(use format)

(use (prefix iup iup:))

(use canvas-draw)
(import canvas-draw-iup)

(use sql-de-lite srfi-1 posix regex regex-case srfi-69 typed-records sparse-vectors ;; defstruct
     (prefix dbi dbi:))

(import commonmod
	debugprint
	(prefix mtargs args:))

;; (declare (uses launch))
;; (declare (uses gutils))
;; (declare (uses db))
;; (declare (uses server))

(declare (uses dcommon))
;; (declare (uses tree))
;; 
;; (include "common_records.scm")
;; (include "db_records.scm")
;; (include "key_records.scm")

Modified ods.scm from [42e94b826f] to [1b93bc9256].

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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(use csv-xml regex)
(declare (unit ods))
(declare (uses common))



(define ods:dirs
  '("Configurations2"
    "Configurations2/toolpanel"
    "Configurations2/menubar"
    "Configurations2/toolbar"
    "Configurations2/progressbar"







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;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(use csv-xml regex)
(declare (unit ods))
(declare (uses common))
(declare (uses commonmod))
(import commonmod)

(define ods:dirs
  '("Configurations2"
    "Configurations2/toolpanel"
    "Configurations2/menubar"
    "Configurations2/toolbar"
    "Configurations2/progressbar"

Deleted portlogger-example.scm version [79b0759ae8].

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;;  Copyright 2006-2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.


(declare (uses portlogger))

(print (apply portlogger:main (cdr (argv))))
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Modified portlogger.scm from [36a4964f50] to [3334cefb6f].

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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(require-extension (srfi 18) extras tcp s11n)

(use sqlite3 srfi-1 posix srfi-69 hostinfo dot-locking z3)
(import (prefix sqlite3 sqlite3:))

(declare (unit portlogger))
(declare (uses db))










;; lsof -i

(define (portlogger:open-db fname)
  (let* ((avail    (tasks:wait-on-journal fname 5 remove: #t)) ;; wait up to about 10 seconds for the journal to go away
	 (exists   (common:file-exists? fname))
	 (db       (if avail 
		       (sqlite3:open-database fname)
		       (begin
			 (system (conc "rm -f " fname))
			 (sqlite3:open-database fname))))
	 (handler  (sqlite3:make-busy-timeout 136000))
	 (canwrite (file-write-access? fname)))
	 ;; (db-init  (lambda ()
	 ;;             (sqlite3:execute 
	 ;;              db
	 ;;              "CREATE TABLE IF NOT EXISTS ports (
         ;;                 port INTEGER PRIMARY KEY,
         ;;                 state TEXT DEFAULT 'not-used',
         ;;                 fail_count INTEGER DEFAULT 0,
         ;;                 update_time TIMESTAMP DEFAULT (strftime('%s','now')) );"))))
    (sqlite3:set-busy-handler! db handler)
    (db:set-sync db) ;; (sqlite3:execute db "PRAGMA synchronous = 0;")
    ;; (if (not exists) ;; needed with IF NOT EXISTS?
    (sqlite3:execute 
     db
     "CREATE TABLE IF NOT EXISTS ports (
            port INTEGER PRIMARY KEY,
            state TEXT DEFAULT 'not-used',
            fail_count INTEGER DEFAULT 0,
            update_time TIMESTAMP DEFAULT (strftime('%s','now')) );")
    db))

(define (portlogger:open-run-close proc . params)
  (let* ((fname  (conc "/tmp/." (current-user-name) "-portlogger.db"))
	 (avail  (tasks:wait-on-journal fname 10))) ;; wait up to about 10 seconds for the journal to go away
    (handle-exceptions
     exn
     (begin
       ;; (release-dot-lock fname)
       (debug:print-error 0 *default-log-port* "portlogger:open-run-close failed. " proc " " params)
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       (debug:print 5 *default-log-port* "exn=" (condition->list exn))
       (if (common:file-exists? fname)(delete-file fname)) ;; brutally get rid of it
       (print-call-chain (current-error-port)))
     (let* (;; (lock   (obtain-dot-lock fname 2 9 10))
	    (db     (portlogger:open-db fname))
	    (res    (apply proc db params)))
       (sqlite3:finalize! db)
       ;; (release-dot-lock fname)
       res))))







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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;






(declare (unit portlogger))
(declare (uses debugprint))
(declare (uses dbmod))

(module portlogger
*

(import scheme chicken data-structures)
(import srfi-1 posix srfi-69 hostinfo dot-locking z3
	(srfi 18) extras s11n)
(import (prefix sqlite3 sqlite3:))
(import debugprint dbmod)
;; lsof -i

(define (portlogger:open-db fname)
  (let* ((avail    (tasks:wait-on-journal fname 5 remove: #t)) ;; wait up to about 10 seconds for the journal to go away
	 (exists   (file-exists? fname))
	 (db       (if avail 
		       (sqlite3:open-database fname)
		       (begin
			 (system (conc "rm -f " fname))
			 (sqlite3:open-database fname))))
	 (handler  (sqlite3:make-busy-timeout 136000))
	 (canwrite (file-write-access? fname)))
	 ;; (db-init  (lambda ()
	 ;;             (sqlite3:execute 
	 ;;              db
	 ;;              "CREATE TABLE IF NOT EXISTS ports (
         ;;                 port INTEGER PRIMARY KEY,
         ;;                 state TEXT DEFAULT 'not-used',
         ;;                 fail_count INTEGER DEFAULT 0,
         ;;                 update_time TIMESTAMP DEFAULT (strftime('%s','now')) );"))))
    (sqlite3:set-busy-handler! db handler)
    (sqlite3:execute db "PRAGMA synchronous = 0;")

    (sqlite3:execute 
     db
     "CREATE TABLE IF NOT EXISTS ports (
            port INTEGER PRIMARY KEY,
            state TEXT DEFAULT 'not-used',
            fail_count INTEGER DEFAULT 0,
            update_time TIMESTAMP DEFAULT (strftime('%s','now')) );")
    db))

(define (portlogger:open-run-close proc . params)
  (let* ((fname  (conc "/tmp/." (current-user-name) "-portlogger.db"))
	 (avail  (tasks:wait-on-journal fname 10))) ;; wait up to about 10 seconds for the journal to go away
    (handle-exceptions
     exn
     (begin
       ;; (release-dot-lock fname)
       (debug:print-error 0 *default-log-port* "portlogger:open-run-close failed. " proc " " params)
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
       ;; (debug:print 5 *default-log-port* "exn=" (condition->list exn))
       (if (file-exists? fname)(delete-file fname)) ;; brutally get rid of it
       (print-call-chain (current-error-port)))
     (let* (;; (lock   (obtain-dot-lock fname 2 9 10))
	    (db     (portlogger:open-db fname))
	    (res    (apply proc db params)))
       (sqlite3:finalize! db)
       ;; (release-dot-lock fname)
       res))))
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    (sqlite3:fold-row
     (lambda (var curr)
       (or curr var curr))
     #f
     db
     "SELECT (port) FROM ports WHERE state='released' LIMIT 1;")))

(define (portlogger:find-port db)
  (let* ((lowport (let ((val (configf:lookup *configdat* "server" "lowport")))
		    (if (and val 
			     (string->number val))
			(string->number val)
			32768)))
	 (portnum (or (portlogger:get-prev-used-port db)
		      (+ lowport ;; top of registered ports is 49152 but lets use ports in the registered range
			 (random (- 64000 lowport))))))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "EXCEPTION: portlogger database probably overloaded or unreadable. If you see this message again remove /tmp/.$USER-portlogger.db")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))







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    (sqlite3:fold-row
     (lambda (var curr)
       (or curr var curr))
     #f
     db
     "SELECT (port) FROM ports WHERE state='released' LIMIT 1;")))

(define (portlogger:find-port db #!optional (lowport 32768))





  (let* ((portnum (or (portlogger:get-prev-used-port db)
		      (+ lowport ;; top of registered ports is 49152 but lets use ports in the registered range
			 (random (- 64000 lowport))))))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 *default-log-port* "EXCEPTION: portlogger database probably overloaded or unreadable. If you see this message again remove /tmp/.$USER-portlogger.db")
       (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
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					   state)
		      state))
	     ((failed)(portlogger:set-failed db (string->number (cadr args))) 'failed)))))
    (sqlite3:finalize! db)
    result))
     
;; (print (apply portlogger:main (cdr (argv))))








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					   state)
		      state))
	     ((failed)(portlogger:set-failed db (string->number (cadr args))) 'failed)))))
    (sqlite3:finalize! db)
    result))
     
;; (print (apply portlogger:main (cdr (argv))))
)

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;;======================================================================
;; Process convience utils
;;======================================================================

(use regex directory-utils)
(declare (unit process))




(define (process:conservative-read port)
  (let loop ((res ""))
    (if (not (eof-object? (peek-char port)))
	(loop (conc res (read-char port)))
	res)))








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;;======================================================================
;; Process convience utils
;;======================================================================

(use regex directory-utils)
(declare (unit process))
(declare (uses debugprint))

(import debugprint)

(define (process:conservative-read port)
  (let loop ((res ""))
    (if (not (eof-object? (peek-char port)))
	(loop (conc res (read-char port)))
	res)))

Modified rmt.scm from [91ffe1108a] to [6ddef022d0].

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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(use format typed-records) ;; RADT => purpose of json format??

(declare (unit rmt))

(declare (uses api))
(declare (uses http-transport))
(declare (uses dbfile))


(include "common_records.scm")
;; (declare (uses rmtmod))


(import dbfile) ;; rmtmod)








;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;

;; generate entries for ~/.megatestrc with the following
;;
;;  grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

;; if a server is either running or in the process of starting call client:setup
;; else return #f to let the calling proc know that there is no server available
;;
(define (rmt:get-connection-info areapath #!key (area-dat #f)) ;; TODO: push areapath down.
  (let* ((runremote (or area-dat *runremote*))
	 (cinfo     (if (remote? runremote)
			(remote-conndat runremote)
			#f)))
	  (if cinfo
	      cinfo
	      (if (server:check-if-running areapath)
		  (client:setup areapath)
		  #f))))

(define (rmt:on-homehost? runremote)
  (let* ((hh-dat (remote-hh-dat runremote)))
    (if (pair? hh-dat)
	(cdr hh-dat)
	(begin
	  (debug:print-info 0 *default-log-port* "hh-dat="hh-dat)
	  #f))))







;;======================================================================

(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id

;; RA => e.g. usage (rmt:send-receive 'get-var #f (list varname))
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected


  #;(common:telemetry-log (conc "rmt:"(->string cmd))
                        payload: `((rid . ,rid)
                                   (params . ,params)))

  (if (> attemptnum 2)
      (debug:print 0 *default-log-port* "INFO: attemptnum in rmt:send-receive is " attemptnum))
    
  (cond
   ((> attemptnum 2) (thread-sleep! 0.05))
   ((> attemptnum 10) (thread-sleep! 0.5))
   ((> attemptnum 20) (thread-sleep! 1)))



  (if (and (> attemptnum 5) (= 0 (modulo attemptnum 15)))  




    (begin (server:run *toppath*) (thread-sleep! 3))) 
  
  
  ;;DOT digraph megatest_state_status {
  ;;DOT   ranksep=0;
  ;;DOT   // rankdir=LR;
  ;;DOT   node [shape="box"];
  ;;DOT "rmt:send-receive" -> MUTEXLOCK;
  ;;DOT { edge [style=invis];"case 1" -> "case 2" -> "case 3" -> "case 4" -> "case 5" -> "case 6" -> "case 7" -> "case 8" -> "case 9" -> "case 10" -> "case 11"; }
  ;; do all the prep locked under the rmt-mutex
  (mutex-lock! *rmt-mutex*)
  
  ;; 1. check if server is started IFF cmd is a write OR if we are not on the homehost, store in runremote
  ;; 2. check the age of the connections. refresh the connection if it is older than timeout-20 seconds.
  ;; 3. do the query, if on homehost use local access
  ;;
  (let* ((start-time    (current-seconds)) ;; snapshot time so all use cases get same value
         (areapath      *toppath*);; TODO - resolve from dbstruct to be compatible with multiple areas
	 (runremote     (or area-dat
			    *runremote*))
         (attemptnum    (+ 1 attemptnum))
	 (readonly-mode (rmtmod:calc-ro-mode runremote *toppath*)))

    ;; DOT INIT_RUNREMOTE; // leaving off - doesn't really add to the clarity
    ;; DOT MUTEXLOCK -> INIT_RUNREMOTE [label="no remote?"];
    ;; DOT INIT_RUNREMOTE -> MUTEXLOCK;
    ;; ensure we have a record for our connection for given area
    (if (not runremote)                   ;; can remove this one. should never get here.         
	(begin
	  (set! *runremote* (make-remote))
          (let* ((server-info (remote-server-info *runremote*))) 
            (if server-info
		(begin
			(remote-server-url-set! *runremote* (server:record->url server-info))
			(remote-server-id-set! *runremote* (server:record->id server-info)))))  
	  (set! runremote   *runremote*))) ;; new runremote will come from this on next iteration
    
    ;; DOT SET_HOMEHOST; // leaving off - doesn't really add to the clarity
    ;; DOT MUTEXLOCK -> SET_HOMEHOST [label="no homehost?"];
    ;; DOT SET_HOMEHOST -> MUTEXLOCK;
    ;; ensure we have a homehost record
    (if (not (pair? (remote-hh-dat runremote)))  ;; not on homehost
	(thread-sleep! 0.1) ;; since we shouldn't get here, delay a little
	(let ((hh-data (server:choose-server areapath 'homehost)))
	  (remote-hh-dat-set! runremote (or hh-data (cons #f #f)))))
    
    ;;(print "BB> readonly-mode is "readonly-mode" dbfile is "dbfile)
    (cond
     #;((> (- (current-seconds)(remote-connect-time runremote)) 180) ;; reconnect to server every 180 seconds
      (debug:print 0 *default-log-port* "Forcing reconnect to server(s) due to 180 second timeout.")
      (set! *runremote* #f)
      ;; BUG: close-connections should go here?
      (mutex-unlock! *rmt-mutex*)
      (rmt:send-receive cmd rid params attemptnum: 1 area-dat: area-dat))
     
     ;;DOT EXIT;
     ;;DOT MUTEXLOCK -> EXIT [label="> 15 attempts"]; {rank=same "case 1" "EXIT" }
     ;; give up if more than 150 attempts
     ((> attemptnum 150)
      (debug:print 0 *default-log-port* "ERROR: 150 tries to start/connect to server. Giving up.")
      (exit 1))

     ;;DOT CASE2 [label="local\nreadonly\nquery"];
     ;;DOT MUTEXLOCK -> CASE2; {rank=same "case 2" CASE2}
     ;;DOT CASE2 -> "rmt:open-qry-close-locally";
     ;; readonly mode, read request-  handle it - case 2
     ((and readonly-mode
           (member cmd api:read-only-queries)) 
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case 2")
      (rmt:open-qry-close-locally cmd 0 params)
      )

     ;;DOT CASE3 [label="write in\nread-only mode"];
     ;;DOT MUTEXLOCK -> CASE3 [label="readonly\nmode?"]; {rank=same "case 3" CASE3}
     ;;DOT CASE3 -> "#f";
     ;; readonly mode, write request.  Do nothing, return #f
     (readonly-mode (extras-readonly-mode *rmt-mutex* *default-log-port* cmd params))

     ;; This block was for pre-emptively resetting the connection if there had been no communication for some time.
     ;; I don't think it adds any value. If the server is not there, just fail and start a new connection.
     ;; also, the expire-time calculation might not be correct. We want, time-since-last-server-access > (server:get-timeout)
     ;;
     ;;DOT CASE4 [label="reset\nconnection"];
     ;;DOT MUTEXLOCK -> CASE4 [label="have connection,\nlast_access > expire_time"]; {rank=same "case 4" CASE4}
     ;;DOT CASE4 -> "rmt:send-receive";
     ;; reset the connection if it has been unused too long
     ((and runremote
           (remote-conndat runremote)
	   (> (current-seconds) ;; if it has been more than server-timeout seconds since last contact, close this connection and start a new on
	      (+ (http-transport:server-dat-get-last-access (remote-conndat runremote))
		 (remote-server-timeout runremote))))
      (debug:print-info 0 *default-log-port* "Connection to " (remote-server-url runremote) " expired due to no accesses, forcing new connection.")
      (remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
      (http-transport:close-connections area-dat: runremote)
      (mutex-unlock! *rmt-mutex*)
      (rmt:send-receive cmd rid params attemptnum: attemptnum))
     
     ;;DOT CASE5 [label="local\nread"];
     ;;DOT MUTEXLOCK -> CASE5 [label="server not required,\non homehost,\nread-only query"]; {rank=same "case 5" CASE5};
     ;;DOT CASE5 -> "rmt:open-qry-close-locally";

     ;; on homehost and this is a read
     ((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
	   (rmt:on-homehost? runremote)
           (member cmd api:read-only-queries))   ;; this is a read
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  5")
      (rmt:open-qry-close-locally cmd 0 params))

     ;;DOT CASE6 [label="init\nremote"];
     ;;DOT MUTEXLOCK -> CASE6 [label="on homehost,\nwrite query,\nhave server,\ncan't reach it"]; {rank=same "case 6" CASE6};
     ;;DOT CASE6 -> "rmt:send-receive";
     ;; on homehost and this is a write, we already have a server, but server has died

     ;; reinstate this keep-alive section but inject a time condition into the (add ...
     
     #;((and (cdr (remote-hh-dat runremote))           ;; on homehost
           (not (member cmd api:read-only-queries))  ;; this is a write
           (remote-server-url runremote)             ;; have a server
           (not (server:ping (remote-server-url runremote) (remote-server-id runremote))))  ;; server has died. NOTE: this is not a cheap call! Need better approach.
      (debug:print 0 *default-log-port* "WARNING: server appears to have died, trying to reconnect, case 6")
      (http-transport:close-connections area-dat: runremote) ;; make sure to clean up
      (set! *runremote* (make-remote))
      (let* ((server-info (remote-server-info *runremote*))) 
            (if server-info
		(begin
		  (remote-server-url-set! *runremote* (server:record->url server-info))
                  (remote-server-id-set! *runremote* (server:record->id server-info)))))
      (remote-force-server-set! runremote (common:force-server?))
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  6")
      (rmt:send-receive cmd rid params attemptnum: attemptnum))

     ;;DOT CASE7 [label="homehost\nwrite"];
     ;;DOT MUTEXLOCK -> CASE7 [label="server not required,\non homehost,\na write,\nhave a server"]; {rank=same "case 7" CASE7};
     ;;DOT CASE7 -> "rmt:open-qry-close-locally";
     ;; on homehost and this is a write, we already have a server
     ((and (not (remote-force-server runremote))     ;; honor forced use of server, i.e. server NOT required
	   (cdr (remote-hh-dat runremote))           ;; on homehost
           (not (member cmd api:read-only-queries))  ;; this is a write
           (remote-server-url runremote))            ;; have a server
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  4.1")
      (rmt:open-qry-close-locally cmd 0 params))

     ;;DOT CASE8 [label="force\nserver"];
     ;;DOT MUTEXLOCK -> CASE8 [label="server not required,\nhave homehost info,\nno connection yet,\nnot a read-only query"]; {rank=same "case 8" CASE8};
     ;;DOT CASE8 -> "rmt:open-qry-close-locally";
     ;;  on homehost, no server contact made and this is a write, passively start a server 
     ((and (not (remote-force-server runremote))     ;; honor forced use of server, i.e. server NOT required
	   (cdr (remote-hh-dat runremote))           ;; have homehost
           (not (remote-server-url runremote))       ;; no connection yet
	   (not (member cmd api:read-only-queries))) ;; not a read-only query
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  8")
      (let ((server-info  (server:check-if-running *toppath*))) ;; (server:read-dotserver->url *toppath*))) ;; (server:check-if-running *toppath*))) ;; Do NOT want to run server:check-if-running - very expensive to do for every write call
	(if server-info
	    (begin
              (remote-server-url-set! runremote (server:record->url server-info)) ;; the string can be consumed by the client setup if needed
              (remote-server-id-set! runremote (server:record->id server-info)))  
	    (if (common:force-server?)
		(server:start-and-wait *toppath*)
		(server:kind-run *toppath*)))
      (remote-force-server-set! runremote (common:force-server?))
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case  8.1")
      (rmt:open-qry-close-locally cmd 0 params)))

     ;;DOT CASE9 [label="force server\nnot on homehost"];
     ;;DOT MUTEXLOCK -> CASE9 [label="no connection\nand either require server\nor not on homehost"]; {rank=same "case 9" CASE9};
     ;;DOT CASE9 -> "start\nserver" -> "rmt:send-receive";
     ((or (and (remote-force-server runremote)              ;; we are forcing a server and don't yet have a connection to one
	       (not (remote-conndat runremote)))
	  (and (not (cdr (remote-hh-dat runremote)))        ;; not on a homehost 
	       (not (remote-conndat runremote))))           ;; and no connection
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case 9, hh-dat: " (remote-hh-dat runremote) " conndat: " (remote-conndat runremote))
      (mutex-unlock! *rmt-mutex*)
      (if (not (server:check-if-running *toppath*)) ;; who knows, maybe one has started up?
	  (server:start-and-wait *toppath*))
      (remote-conndat-set! runremote (rmt:get-connection-info *toppath*)) ;; calls client:setup which calls client:setup-http
      (rmt:send-receive cmd rid params attemptnum: attemptnum)) ;; TODO: add back-off timeout as

     ;;DOT CASE10 [label="on homehost"];
     ;;DOT MUTEXLOCK -> CASE10 [label="server not required,\non homehost"]; {rank=same "case 10" CASE10};
     ;;DOT CASE10 -> "rmt:open-qry-close-locally";
     ;; all set up if get this far, dispatch the query
     ((and (not (remote-force-server runremote))
	   (cdr (remote-hh-dat runremote))) ;; we are on homehost
      (mutex-unlock! *rmt-mutex*)
      (debug:print-info 12 *default-log-port* "rmt:send-receive, case 10")
      (rmt:open-qry-close-locally cmd (if rid rid 0) params))

     ;;DOT CASE11 [label="send_receive"];
     ;;DOT MUTEXLOCK -> CASE11 [label="else"]; {rank=same "case 11" CASE11};
     ;;DOT CASE11 -> "rmt:send-receive" [label="call failed"];
     ;;DOT CASE11 -> "RESULT" [label="call succeeded"];
     ;; not on homehost, do server query
     (else (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)))))
    ;;DOT }

;; No Title 
;; Error: (vector-ref) out of range
;; #(#<condition: (exn type)> (#("db.scm:3740: regex#regexp" #f #f) #("db.scm:3739: regex#string-substitute" #f #f) #("db.scm:3738: base64#base64-decode" #f #f) #("db.scm:3737: z3#z3:decode-buffer" #f #f) #("db.scm:3736: with-input-from-string" #f #f) #("db.scm:3741: s11n#deserialize" #f #f) #("api.scm:374: api:execute-requests" #f #f) #("api.scm:139: call-with-current-continuation" #f #f) #("api.scm:139: with-exception-handler" #f #f) #("api.scm:139: ##sys#call-with-values" #f #f) #("api.scm:158: string->symbol" #f #f) #("api.scm:160: current-milliseconds" #f #f) #("api.scm:161: dbr:dbstruct-read-only" #f #f) #("api.scm:139: k15" #f #f) #("api.scm:139: g19" #f #f) #("api.scm:142: get-call-chain" #f #f)) #("get-test-info-by-id" (1102 507299)))
;; 6
;; 
;; 	Call history:
;; 
;; 	http-transport.scm:306: thread-terminate!	  
;; 	http-transport.scm:307: debug:print-info	  
;; 	common_records.scm:235: debug:debug-mode	  
;; 	rmt.scm:259: k587	  
;; 	rmt.scm:259: g591	  
;; 	rmt.scm:276: http-transport:server-dat-update-last-access	  
;; 	http-transport.scm:364: current-seconds	  
;; 	rmt.scm:282: debug:print-info	  
;; 	common_records.scm:235: debug:debug-mode	  
;; 	rmt.scm:283: mutex-unlock!	  
;; 	rmt.scm:287: extras-transport-succeded	  	<--
;; +-----------------------------------------------------------------------------+
;; | Exit Status    : 70  
;;  

;; bunch of small functions factored out of send-receive to make debug easier
;;

(define (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)
  ;; (mutex-unlock! *rmt-mutex*)
  (debug:print-info 12 *default-log-port* "rmt:send-receive, case  9")
  ;; (mutex-lock! *rmt-mutex*)
  (let* ((conninfo (remote-conndat runremote))
	 (dat-in      (case (remote-transport runremote)
		     ((http) (condition-case ;; handling here has
					     ;; caused a lot of
					     ;; problems. However it
					     ;; is needed to deal with
					     ;; attemtped
					     ;; communication to
					     ;; servers that have gone
					     ;; away
			      (http-transport:client-api-send-receive 0 conninfo cmd params)
                              ((servermismatch)  (vector #f "Server id mismatch" ))
			      ((commfail)(vector #f "communications fail"))
			      ((exn)(vector #f "other fail" (print-call-chain)))))
		     (else
		      (debug:print 0 *default-log-port* "ERROR: transport " (remote-transport runremote) " not supported")
		      (exit))))
	 (dat      (if (and (vector? dat-in) ;; ... check it is a correct size
			    (> (vector-length dat-in) 1))
		       dat-in
		       (vector #f (conc "communications fail (type 2), dat-in=" dat-in))))
	 (success  (if (vector? dat) (vector-ref dat 0) #f))
	 (res      (if (vector? dat) (vector-ref dat 1) #f)))
    (if (and (vector? conninfo) (< 5 (vector-length conninfo)))
	(http-transport:server-dat-update-last-access conninfo) ;; refresh access time
	(begin
	  (debug:print 0 *default-log-port* "INFO: Should not get here! conninfo=" conninfo)
	  (set! conninfo #f)
	  (remote-conndat-set! *runremote* #f) ;; NOTE: *runremote* is global copy of runremote. Purpose: factor out global.
	  (http-transport:close-connections  area-dat: runremote)))
    (debug:print-info 13 *default-log-port* "rmt:send-receive, case  9. conninfo=" conninfo " dat=" dat " runremote = " runremote)
    (mutex-unlock! *rmt-mutex*)
    (if success ;; success only tells us that the transport was
	;; successful, have to examine the data to see if
	;; there was a detected issue at the other end
	(extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
	(begin
           (debug:print-error 0 *default-log-port* " dat=" dat) 

           (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params))
	)))

(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats\n========")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
		  (debug:print 18 *default-log-port* (format #f fmtstr cmd (vector-ref cmd-dat 0) (vector-ref cmd-dat 1) (/ (vector-ref cmd-dat 1)(vector-ref cmd-dat 0))))))







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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(use format typed-records) ;; RADT => purpose of json format??

(declare (unit rmt))
(declare (uses debugprint))
(declare (uses api))
(declare (uses commonmod))
(declare (uses dbfile))
(declare (uses dbmod))
(declare (uses tcp-transportmod))
(include "common_records.scm")
(declare (uses rmtmod))

;; used by http-transport
(import dbfile
	rmtmod
	commonmod
	debugprint
;; 	dbmemmod
	dbfile
	dbmod
	tcp-transportmod)

;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;

;; generate entries for ~/.megatestrc with the following
;;
;;  grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================















(define (rmt:on-homehost? runremote)
  (let* ((hh-dat (remote-hh-dat runremote)))
    (if (pair? hh-dat)
	(cdr hh-dat)
	(begin
	  (debug:print-info 0 *default-log-port* "hh-dat="hh-dat)
	  #f))))

(define (make-and-init-remote areapath)
   (case (rmt:transport-mode)
     ((http)(make-remote))
     ((tcp) (tt:make-remote areapath))
     (else #f)))

;;======================================================================

(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id

;; RA => e.g. usage (rmt:send-receive 'get-var #f (list varname))
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
  (assert *toppath* "FATAL: rmt:send-receive called with *toppath* not set.")


  (if (not (eq? (rmt:transport-mode) 'nfs))

      (begin
	(if (> attemptnum 2)
	    (debug:print 0 *default-log-port* "INFO: attemptnum in rmt:send-receive is " attemptnum))
	
	(cond
	 ((> attemptnum 2) (thread-sleep! 0.05))
	 ((> attemptnum 10) (thread-sleep! 0.5))
	 ((> attemptnum 20) (thread-sleep! 1)))
	
	;; I'm turning this off, it may make sense to move it
	;; into http-transport-handler
	(if (and (> attemptnum 5) (= 0 (modulo attemptnum 15)))  
	    (begin
	      (debug:print 0 *default-log-port* "ERROR: can't connect to server, trying to start a server.")
	      (case (rmt:transport-mode)
		((http)
		 (server:run *toppath*)
		 (thread-sleep! 3))
		(else






		 (thread-sleep! 1) ;; for tcp the server is started by routines in tcp-transportmod. For nfs there is no server
		 ))))))
  
  ;; 1. check if server is started IFF cmd is a write OR if we are not on the homehost, store in runremote
  ;; 2. check the age of the connections. refresh the connection if it is older than timeout-20 seconds.
  ;; 3. do the query, if on homehost use local access
  ;;
  (let* ((start-time    (current-seconds)) ;; snapshot time so all use cases get same value
         (areapath      *toppath*);; TODO - resolve from dbstruct to be compatible with multiple areas
	 (runremote     (or area-dat
			    *runremote*))
         (attemptnum    (+ 1 attemptnum))
	 (readonly-mode (rmtmod:calc-ro-mode runremote *toppath*))
	 (testsuite     (common:get-testsuite-name))













	 (mtexe         (common:find-local-megatest)))

















    (case (rmt:transport-mode)






      ((http)(http-transport-handler runremote cmd rid params attemptnum area-dat areapath readonly-mode))










      ((tcp) (tcp-transport-handler  runremote cmd rid params attemptnum area-dat areapath readonly-mode testsuite mtexe))





      ((nfs) (nfs-transport-handler  runremote cmd rid params attemptnum area-dat areapath readonly-mode testsuite mtexe))


















      )))





































































(define (nfs-transport-handler  runremote cmd run-id params attemptnum area-dat areapath readonly-mode testsuite mtexe)













  (let* ((keys     (common:get-fields *configdat*))









	 (dbstruct (dbmod:nfs-get-dbstruct run-id keys (dbfile:db-init-proc) areapath tmpadj: "/dashboard")))







    (api:dispatch-request dbstruct cmd run-id params)))





















	 


(define (tcp-transport-handler runremote cmd run-id params attemptnum area-dat areapath readonly-mode testsuite mtexe)




  (if (not runremote)
      (let* ((newremote  (make-and-init-remote areapath)))

























	(set! *runremote* newremote)

	(set! runremote newremote)))








  (let* ((dbfname (conc (dbfile:run-id->dbnum run-id)".db"))) ;;(dbfile:run-id->path areapath run-id)))
    (tt:handler runremote cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))

	
(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats\n========")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
		  (debug:print 18 *default-log-port* (format #f fmtstr cmd (vector-ref cmd-dat 0) (vector-ref cmd-dat 1) (/ (vector-ref cmd-dat 1)(vector-ref cmd-dat 0))))))
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			     (loop (car tal)(cdr tal) newmax-cmd currmax)))))))
    (mutex-unlock! *db-stats-mutex*)
    res))

(define (rmt:open-qry-close-locally cmd run-id params #!key (remretries 5))
  (let* ((qry-is-write    (not (member cmd api:read-only-queries)))
	 (db-file-path    (db:dbfile-path)) ;;  0))
	 (dbstructs-local (db:setup #t))  ;; make-dbr:dbstruct path:  dbdir local: #t)))
	 (read-only       (not (file-write-access? db-file-path)))
	 (start           (current-milliseconds))
	 (resdat          (if (not (and read-only qry-is-write))
			      (let ((v (api:execute-requests dbstructs-local (vector (symbol->string cmd) params))))
			;;	(handle-exceptions ;; there has been a long history of receiving strange errors from values returned by the client when things go wrong..
			;;	 exn               ;;  This is an attempt to detect that situation and recover gracefully
			;;	 (begin







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			     (loop (car tal)(cdr tal) newmax-cmd currmax)))))))
    (mutex-unlock! *db-stats-mutex*)
    res))

(define (rmt:open-qry-close-locally cmd run-id params #!key (remretries 5))
  (let* ((qry-is-write    (not (member cmd api:read-only-queries)))
	 (db-file-path    (db:dbfile-path)) ;;  0))
	 (dbstructs-local (db:setup #t))
	 (read-only       (not (file-write-access? db-file-path)))
	 (start           (current-milliseconds))
	 (resdat          (if (not (and read-only qry-is-write))
			      (let ((v (api:execute-requests dbstructs-local (vector (symbol->string cmd) params))))
			;;	(handle-exceptions ;; there has been a long history of receiving strange errors from values returned by the client when things go wrong..
			;;	 exn               ;;  This is an attempt to detect that situation and recover gracefully
			;;	 (begin
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	  (if qry-is-write
	      (let ((start-time (current-seconds)))
		(mutex-lock! *db-multi-sync-mutex*)
/		(set! *db-last-access* start-time)  ;; THIS IS PROBABLY USELESS? (we are on a client)
                (mutex-unlock! *db-multi-sync-mutex*)))))
    res))

(define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
  (let* ((run-id   (if run-id run-id 0))
	 (res  	   ;; (handle-exceptions
		   ;;     exn
		   ;;   (begin
		   ;;     (print "transport failed. exn=" exn)
		   ;;     #f)
		     (http-transport:client-api-send-receive run-id connection-info cmd params))) ;; )
    (if (and res (vector-ref res 0))
	(vector-ref res 1) ;;; YES!! THIS IS CORRECT!! CHANGE IT HERE, THEN CHANGE rmt:send-receive ALSO!!!
	#f)))

;;======================================================================
;;
;; A C T U A L   A P I   C A L L S  
;;
;;======================================================================

;;======================================================================







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	  (if qry-is-write
	      (let ((start-time (current-seconds)))
		(mutex-lock! *db-multi-sync-mutex*)
/		(set! *db-last-access* start-time)  ;; THIS IS PROBABLY USELESS? (we are on a client)
                (mutex-unlock! *db-multi-sync-mutex*)))))
    res))













;;======================================================================
;;
;; A C T U A L   A P I   C A L L S  
;;
;;======================================================================

;;======================================================================
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(define (rmt:login run-id)
  (rmt:send-receive 'login run-id (list *toppath* megatest-version (client:get-signature))))

;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info)
  (case *transport-type* ;; run-id of 0 is just a placeholder
    ((http)(rmt:send-receive-no-auto-client-setup connection-info 'login 0 (list *toppath* megatest-version (client:get-signature))))
    ;;((nmsg)(nmsg-transport:client-api-send-receive run-id connection-info 'login (list *toppath* megatest-version run-id *my-client-signature*)))
    ))

;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible 
;;
(define (rmt:general-call stmtname run-id . params)
  (rmt:send-receive 'general-call run-id (append (list stmtname run-id) params)))


;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
  (rmt:send-receive 'get-latest-host-load 0 (list hostname)))

(define (rmt:sdb-qry qry val run-id)
  ;; add caching if qry is 'getid or 'getstr
  (rmt:send-receive 'sdb-qry run-id (list qry val)))

;; NOT COMPLETED
(define (rmt:runtests user run-id testpatt params)
  (rmt:send-receive 'runtests run-id testpatt))

(define (rmt:get-run-record-ids  target run keynames test-patt)
  (rmt:send-receive 'get-run-record-ids #f (list target run keynames test-patt)))

(define (rmt:get-changed-record-ids since-time)
  (rmt:send-receive 'get-changed-record-ids #f (list since-time)) )












(define (rmt:drop-all-triggers)
     (rmt:send-receive 'drop-all-triggers #f '()))

(define (rmt:create-all-triggers)
     (rmt:send-receive 'create-all-triggers #f '()))

;;======================================================================
;;  T E S T   M E T A 
;;======================================================================

(define (rmt:get-tests-tags)
  (rmt:send-receive 'get-tests-tags #f '()))

;;======================================================================
;;  K E Y S 
;;======================================================================

;; These require run-id because the values come from the run!

;;
(define (rmt:get-key-val-pairs run-id)
  (rmt:send-receive 'get-key-val-pairs run-id (list run-id)))

(define (rmt:get-keys)
  (if *db-keys* *db-keys* 
     (let ((res (rmt:send-receive 'get-keys #f '())))
       (set! *db-keys* res)
       res)))








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(define (rmt:login run-id)
  (rmt:send-receive 'login run-id (list *toppath* megatest-version (client:get-signature))))

;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
;; (define (rmt:login-no-auto-client-setup runremote)

;;   (rmt:send-receive-no-auto-client-setup runremote 'login 0 (list *toppath* megatest-version (client:get-signature))))










;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
  (rmt:send-receive 'get-latest-host-load 0 (list hostname)))

(define (rmt:sdb-qry qry val run-id)
  ;; add caching if qry is 'getid or 'getstr
  (rmt:send-receive 'sdb-qry run-id (list qry val)))

;; NOT COMPLETED
(define (rmt:runtests user run-id testpatt params)
  (rmt:send-receive 'runtests run-id testpatt))

(define (rmt:get-run-record-ids  target run keynames )
  (rmt:send-receive 'get-run-record-ids #f (list target run keynames )))

(define (rmt:get-changed-record-ids since-time)
  (rmt:send-receive 'get-changed-record-ids #f (list since-time)) )

(define (rmt:get-all-runids)
  (rmt:send-receive 'get-all-run-ids #f '()) )

(define (rmt:get-changed-record-run-ids since-time)
  (rmt:send-receive 'get-changed-record-run-ids #f (list since-time)))

(define (rmt:get-changed-record-test-ids run-id since-time)
  (rmt:send-receive 'get-changed-record-test-ids run-id (list since-time run-id)))



(define (rmt:drop-all-triggers)
     (rmt:send-receive 'drop-all-triggers #f '()))

(define (rmt:create-all-triggers)
     (rmt:send-receive 'create-all-triggers #f '()))

;;======================================================================
;;  T E S T   M E T A 
;;======================================================================

(define (rmt:get-tests-tags)
  (rmt:send-receive 'get-tests-tags #f '()))

;;======================================================================
;;  K E Y S 
;;======================================================================

;; These require run-id because the values come from the run!
;; however the query must still apply to main.db
;;
(define (rmt:get-key-val-pairs run-id)
  (rmt:send-receive 'get-key-val-pairs #f (list run-id)))

(define (rmt:get-keys)
  (if *db-keys* *db-keys* 
     (let ((res (rmt:send-receive 'get-keys #f '())))
       (set! *db-keys* res)
       res)))

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        res)))

(define (rmt:get-targets)
  (rmt:send-receive 'get-targets #f '()))

(define (rmt:get-target run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-target run-id (list run-id)))

(define (rmt:get-run-times runpatt targetpatt)
  (rmt:send-receive 'get-run-times #f (list runpatt targetpatt ))) 


;;======================================================================
;;  T E S T S
;;======================================================================

;; Just some syntatic sugar
(define (rmt:register-test run-id test-name item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:general-call 'register-test run-id run-id test-name item-path))

(define (rmt:get-test-id run-id testname item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-test-id run-id (list run-id testname item-path)))

;; run-id is NOT used
;;
(define (rmt:get-test-info-by-id run-id test-id)
  (if (number? test-id)
      (rmt:send-receive 'get-test-info-by-id run-id (list run-id test-id))
      (begin
	(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
	(print-call-chain (current-error-port))
	#f)))

(define (rmt:test-get-rundir-from-test-id run-id test-id)
  (rmt:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))

(define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (let* ((test-path (if (string? work-area)
			work-area
			(rmt:test-get-rundir-from-test-id run-id test-id))))
    (debug:print 3 *default-log-port* "TEST PATH: " test-path)
    (open-test-db test-path)))

;; WARNING: This currently bypasses the transaction wrapped writes system
(define (rmt:test-set-state-status-by-id run-id test-id newstate newstatus newcomment)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-set-state-status-by-id run-id (list run-id test-id newstate newstatus newcomment)))

(define (rmt:set-tests-state-status run-id testnames currstate currstatus newstate newstatus)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-tests-state-status run-id (list run-id testnames currstate currstatus newstate newstatus)))

(define (rmt:get-tests-for-run run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
  (assert (number? run-id) "FATAL: Run id required.")
  ;; (if (number? run-id)
  (rmt:send-receive 'get-tests-for-run run-id (list run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)))
  ;;    (begin
  ;;	(debug:print-error 0 *default-log-port* "rmt:get-tests-for-run called with bad run-id=" run-id)
  ;;	(print-call-chain (current-error-port))
  ;;	'())))

(define (rmt:get-tests-for-run-state-status run-id testpatt last-update)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-tests-for-run-state-status run-id (list run-id testpatt last-update)))

;; get stuff via synchash 
(define (rmt:synchash-get run-id proc synckey keynum params)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'synchash-get run-id (list run-id proc synckey keynum params)))

(define (rmt:get-tests-for-run-mindata run-id testpatt states status not-in)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-tests-for-run-mindata run-id (list run-id testpatt states status not-in)))
  
;; IDEA: Threadify these - they spend a lot of time waiting ...
;;
(define (rmt:get-tests-for-runs-mindata run-ids testpatt states status not-in)
  (let ((multi-run-mutex (make-mutex))
	(run-id-list (if run-ids
			 run-ids
			 (rmt:get-all-run-ids)))







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        res)))

(define (rmt:get-targets)
  (rmt:send-receive 'get-targets #f '()))

(define (rmt:get-target run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-target #f (list run-id)))

(define (rmt:get-run-times runpatt targetpatt)
  (rmt:send-receive 'get-run-times #f (list runpatt targetpatt ))) 


;;======================================================================
;;  T E S T S
;;======================================================================






























































;; IDEA: Threadify these - they spend a lot of time waiting ...
;;
(define (rmt:get-tests-for-runs-mindata run-ids testpatt states status not-in)
  (let ((multi-run-mutex (make-mutex))
	(run-id-list (if run-ids
			 run-ids
			 (rmt:get-all-run-ids)))
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;;
(define (rmt:test-get-paths-matching-keynames-target-new keynames target res testpatt statepatt statuspatt runname)
  (let ((run-ids (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)))
    (apply append 
	   (map (lambda (run-id)
		  (rmt:send-receive 'test-get-paths-matching-keynames-target-new run-id (list run-id keynames target res testpatt statepatt statuspatt runname)))
	   run-ids))))



(define (rmt:get-prereqs-not-met run-id waitons ref-test-name ref-item-path #!key (mode '(normal))(itemmaps #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-prereqs-not-met run-id (list run-id waitons ref-test-name ref-item-path mode itemmaps)))

(define (rmt:get-count-tests-running-for-run-id run-id)
  (assert (number? run-id) "FATAL: Run id required.")







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;;
(define (rmt:test-get-paths-matching-keynames-target-new keynames target res testpatt statepatt statuspatt runname)
  (let ((run-ids (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)))
    (apply append 
	   (map (lambda (run-id)
		  (rmt:send-receive 'test-get-paths-matching-keynames-target-new run-id (list run-id keynames target res testpatt statepatt statuspatt runname)))
	   run-ids))))



(define (rmt:get-prereqs-not-met run-id waitons ref-test-name ref-item-path #!key (mode '(normal))(itemmaps #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-prereqs-not-met run-id (list run-id waitons ref-test-name ref-item-path mode itemmaps)))

(define (rmt:get-count-tests-running-for-run-id run-id)
  (assert (number? run-id) "FATAL: Run id required.")
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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-count-tests-running-for-testname run-id (list run-id testname)))

(define (rmt:get-count-tests-running-in-jobgroup run-id jobgroup)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-count-tests-running-in-jobgroup run-id (list run-id jobgroup)))

;; state and status are extra hints not usually used in the calculation
;;
(define (rmt:set-state-status-and-roll-up-items run-id test-name item-path state status comment)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-state-status-and-roll-up-items run-id (list run-id test-name item-path state status comment)))

(define (rmt:set-state-status-and-roll-up-run run-id state status)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-state-status-and-roll-up-run run-id (list run-id state status)))


(define (rmt:update-pass-fail-counts run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")







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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-count-tests-running-for-testname run-id (list run-id testname)))

(define (rmt:get-count-tests-running-in-jobgroup run-id jobgroup)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-count-tests-running-in-jobgroup run-id (list run-id jobgroup)))







(define (rmt:set-state-status-and-roll-up-run run-id state status)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-state-status-and-roll-up-run run-id (list run-id state status)))


(define (rmt:update-pass-fail-counts run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")
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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-status #f (list run-id)))

(define (rmt:get-run-state run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state #f (list run-id)))





(define (rmt:set-run-status run-id run-status #!key (msg #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-run-status #f (list run-id run-status msg)))

(define (rmt:set-run-state-status run-id state status )
  (assert (number? run-id) "FATAL: Run id required.")







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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-status #f (list run-id)))

(define (rmt:get-run-state run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state #f (list run-id)))

(define (rmt:get-run-state-status run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state-status #f (list run-id)))

(define (rmt:set-run-status run-id run-status #!key (msg #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-run-status #f (list run-id run-status msg)))

(define (rmt:set-run-state-status run-id state status )
  (assert (number? run-id) "FATAL: Run id required.")
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(define (rmt:test-set-archive-block-id run-id test-id archive-block-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-set-archive-block-id run-id (list run-id test-id archive-block-id)))

(define (rmt:test-get-archive-block-info archive-block-id)
  (rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))


(define (rmtmod:calc-ro-mode runremote *toppath*)


  (if (and runremote
	   (remote-ro-mode-checked runremote))
      (remote-ro-mode runremote)
      (let* ((mtcfgfile  (conc *toppath* "/megatest.config"))
	     (ro-mode (not (file-write-access? mtcfgfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
	(if runremote
	    (begin
	      (remote-ro-mode-set! runremote ro-mode)
	      (remote-ro-mode-checked-set! runremote #t)
	      ro-mode)
	    ro-mode))))

(define (extras-readonly-mode rmt-mutex log-port cmd params)
  (mutex-unlock! rmt-mutex)
  (debug:print-info 12 log-port "rmt:send-receive, case 3")
  (debug:print 0 log-port "WARNING: write transaction requested on a readonly area.  cmd="cmd" params="params)
  #f)

(define (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params)
  (debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
  (mutex-lock! *rmt-mutex*)


  (remote-conndat-set!    runremote #f)

  (http-transport:close-connections area-dat: runremote)
  (remote-server-url-set! runremote #f)
  (mutex-unlock! *rmt-mutex*)
  (debug:print-info 12 *default-log-port* "rmt:send-receive, case  9.1")
  (rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))

  
(define (extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
  (if (and (vector? res)
	   (eq? (vector-length res) 2)
	   (eq? (vector-ref res 1) 'overloaded)) ;; since we are
						 ;; looking at the
						 ;; data to carry the
						 ;; error we'll use a
						 ;; fairly obtuse
						 ;; combo to minimise
						 ;; the chances of
						 ;; some sort of
						 ;; collision.  this
						 ;; is the case where
						 ;; the returned data
						 ;; is bad or the

						 ;; server is
						 ;; overloaded and we
						 ;; want to ease off
						 ;; the queries
      (let ((wait-delay (+ attemptnum (* attemptnum 10))))
	(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
	(mutex-lock! *rmt-mutex*)
	(http-transport:close-connections area-dat: runremote)
	(set! *runremote* #f) ;; force starting over
	(mutex-unlock! *rmt-mutex*)
	(thread-sleep! wait-delay)
	(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
      res)) ;; All good, return res


#;(set-functions rmt:send-receive                       remote-server-url-set!
	       http-transport:close-connections	      remote-conndat-set!
	       debug:print                            debug:print-info
	       remote-ro-mode                         remote-ro-mode-set!





	       remote-ro-mode-checked-set!            remote-ro-mode-checked)







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(define (rmt:test-set-archive-block-id run-id test-id archive-block-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-set-archive-block-id run-id (list run-id test-id archive-block-id)))

(define (rmt:test-get-archive-block-info archive-block-id)
  (rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))


(define (rmtmod:calc-ro-mode runremote *toppath*)
  (case (rmt:transport-mode)
    ((http)
     (if (and runremote
	      (remote-ro-mode-checked runremote))
	 (remote-ro-mode runremote)
	 (let* ((mtcfgfile  (conc *toppath* "/megatest.config"))
		(ro-mode (not (file-write-access? mtcfgfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
	   (if runremote
	       (begin
		 (remote-ro-mode-set! runremote ro-mode)
		 (remote-ro-mode-checked-set! runremote #t)
		 ro-mode)
	       ro-mode))))
    ((tcp)

     (if (and runremote



	      (tt-ro-mode-checked runremote))
	 (tt-ro-mode runremote)


	 (let* ((mtcfgfile  (conc *toppath* "/megatest.config"))
		(ro-mode (not (file-write-access? mtcfgfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
	   (if runremote
	       (begin
		 (tt-ro-mode-set! runremote ro-mode)
		 (tt-ro-mode-checked-set! runremote #t)
		 ro-mode)


	       ro-mode))))))
















;;======================================================================
;; Maintenance












;;======================================================================





(define (rmt:find-and-mark-incomplete run-id ovr-deadtime)
  (let* ((cfg-deadtime             (configf:lookup-number *configdat* "setup" "deadtime"))
	 (test-stats-update-period (configf:lookup-number *configdat* "setup" "test-stats-update-period")))
   (rmt:find-and-mark-incomplete-engine run-id ovr-deadtime cfg-deadtime test-stats-update-period)
   ;;call end of eud of run detection for posthook
   (launch:end-of-run-check run-id)))

Modified rmtmod.scm from [4f89f84546] to [c4f748fe17].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit rmtmod))

(declare (uses commonmod))


(declare (uses apimod))
;; (declare (uses apimod.import))
(declare (uses ulex))

;; (include "ulex/ulex.scm")

(module rmtmod
	*
	
(import scheme chicken data-structures extras)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import (prefix commonmod cmod:))
(import apimod)
(import (prefix ulex ulex:))



(defstruct alldat
  (areapath #f)
  (ulexdat  #f)
  )




;;======================================================================


;; return the handle struct for sending queries to a specific database





;;  - initializes the connection object if this is the first access
;;    - finds the "captain" and asks who to talk to for the given dbfname
;;    - establishes the connection to the current dbowner



;;
#;(define (rmt:connect alldat dbfname dbtype)









  (let* ((ulexdat    (or (alldat-ulexdat alldat)







			 (rmt:setup-ulex alldat))))












    (ulex:connect ulexdat dbfname dbtype)))
















;; setup the remote calls



#;(define (rmt:setup-ulex alldat)




  (let* ((udata (ulex:setup))) ;; establish connection to ulex



    (alldat-ulexdat-set! alldat udata)







    ;; register all needed procs


    (ulex:register-handler udata 'ping cmod:get-full-version)  ;; override ping with get-full-version


    (ulex:register-handler udata 'login cmod:get-full-version) ;; force setup of the connection







    (ulex:register-handler udata 'execute api:execute-requests)




    udata))
















;; set up a connection to the current owner of the dbfile associated with rid




;; then send the query to that dbfile owner and wait for a response.





;;



#;(define (rmt:send-receive alldat cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
  (let* (;; (alldat   *alldat*)



	 (areapath (alldat-areapath alldat))
	 (dbtype   (if (or (not rid)(< rid 1)) ;; this is the criteria for "main.db"


		       "main" "runs"))



	 (dbfname  (if (equal? dbtype "main")
		       "main.db"





		       (conc rid ".db")))
	 (dbfile   (conc areapath "/.db/" dbfname))
	 (ulexconn (rmt:connect alldat dbfname dbtype))  ;; ulexconn is our new *runremote*, it is a dbowner struct < pdat lastrefresh >



	 (udata    (alldat-ulexdat alldat)))
    	(ulex:remote-request udata ulexconn 'immediate dbfile 'execute rid params)))





    ;; need to call this on the other side 
    ;; (api:execute-requests dbstruct-local (vector (symbol->string cmd) params))))













    


    #;(with-input-from-string




	(ulex:remote-request udata ulexconn 'immediate dbfile 'execute rid (with-output-to-string (lambda ()(serialize params))))















       (lambda ()(deserialize)))




























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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit rmtmod))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses dbfile))    ;; needed for records

;; (declare (uses apimod))
;; (declare (uses apimod.import))
;; (declare (uses ulex))

;; (include "ulex/ulex.scm")

(module rmtmod
	*
	
(import scheme chicken data-structures extras matchable srfi-69)
(import (prefix sqlite3 sqlite3:) posix typed-records srfi-18)
(import commonmod dbfile debugprint) ;; (prefix commonmod cmod:))
;; (import apimod)
;; (import (prefix ulex ulex:))

(include "db_records.scm")

(defstruct alldat
  (areapath #f)
  (ulexdat  #f)
  )

;; hold the send-receive proc in this parameter
(define rmtmod:send-receive #f) ;; (make-parameter #f))

;;======================================================================
;; M I S C
;;======================================================================

;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible 
;;
(define (rmt:general-call stmtname run-id . params)
  (rmtmod:send-receive 'general-call run-id (append (list stmtname run-id) params)))



;;======================================================================
;; import an sexpr file into the db
;;======================================================================

(define (rmt:import-sexpr sexpr-file)
  (if (file-exists? sexpr-file)
      (let* ((data (with-input-from-file sexpr-file read)))
	(for-each
	 (lambda (targ-dat)
	   (rmt:import-target targ-dat)) ;; ("target" ("run1" ("data" (1 ("field" . "value") ...
	 data))
      (let* ((msg (conc "ERROR: file "sexpr-file" not found")))
	(debug:print 0 *default-log-port* msg)
	(cons #f msg))))

(define (rmt:import-target targ-dat)
  (let* ((target (car targ-dat))
	 (data   (cdr targ-dat)))
    (for-each
     (lambda (run-dat)
       (rmt:import-run target run-dat)) ;; ("runname" ("data" ("testid" ("field" . "value") ...
     data)))

(define (rmt:import-run target run-dat)
  (let* ((runname    (car run-dat))
	 (all-dat    (cdr run-dat))
	 (tests-data (alist-ref "data" all-dat equal?))
	 (run-meta   (alist-ref "meta" all-dat equal?))
	 (run-id     (rmt:insert-run target runname run-meta)))
    (for-each
     (lambda (test-dat)
       (let* ((test-id  (car test-dat))
	      (test-rec (cdr test-dat)))
	 (rmt:insert-test run-id test-rec)))
     tests-data)))

;; insert run if not there, return id either way
(define (rmt:insert-run target runname run-meta)
  ;; look for id, return if found
  (debug:print 0 *default-log-port* "Insert run: "target"/"runname)
  (let* ((runs (rmtmod:send-receive 'simple-get-runs #f
				    ;;    runpatt count offset target last-update)
				    (list runname #f    #f     target #f))))
    (if (null? runs)
	(rmtmod:send-receive 'insert-run #f (list target runname run-meta))
	(simple-run-id (car runs)))))

(define (rmt:insert-test run-id test-rec)
  (let* ((testname  (alist-ref "testname" test-rec equal?))
	 (item-path (alist-ref "item_path" test-rec equal?)))
    (debug:print 0 *default-log-port* "   Insert test in run "run-id": "testname"/"item-path)
    (rmtmod:send-receive 'insert-test run-id test-rec)))

;;======================================================================
;;  T E S T S
;;======================================================================

;; Just some syntatic sugar
(define (rmt:register-test run-id test-name item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:general-call 'register-test run-id run-id test-name item-path))

(define (rmt:get-test-id run-id testname item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'get-test-id run-id (list run-id testname item-path)))

(define (rmt:get-test-info-by-id run-id test-id)
  (if (number? test-id)
      (rmtmod:send-receive 'get-test-info-by-id run-id (list run-id test-id))
      (begin
	(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
	(print-call-chain (current-error-port))
	#f)))

(define (rmt:get-test-state-status-by-id run-id test-id)
  (rmtmod:send-receive 'get-test-state-status-by-id run-id (list run-id test-id)))

(define (rmt:test-get-rundir-from-test-id run-id test-id)
  (rmtmod:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))

;; (define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (let* ((test-path (if (string? work-area)
;; 			work-area
;; 			(rmt:test-get-rundir-from-test-id run-id test-id))))
;;     (debug:print 3 *default-log-port* "TEST PATH: " test-path)
;;     (open-test-db test-path)))

;; WARNING: This currently bypasses the transaction wrapped writes system
(define (rmt:test-set-state-status-by-id run-id test-id newstate newstatus newcomment)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'test-set-state-status-by-id run-id (list run-id test-id newstate newstatus newcomment)))

(define (rmt:set-tests-state-status run-id testnames currstate currstatus newstate newstatus)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'set-tests-state-status run-id (list run-id testnames currstate currstatus newstate newstatus)))

(define (rmt:get-tests-for-run run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
  (assert (number? run-id) "FATAL: Run id required.")
  ;; (if (number? run-id)
  (rmtmod:send-receive 'get-tests-for-run run-id (list run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)))
  ;;    (begin
  ;;	(debug:print-error 0 *default-log-port* "rmt:get-tests-for-run called with bad run-id=" run-id)
  ;;	(print-call-chain (current-error-port))
  ;;	'())))

(define (rmt:get-tests-for-run-state-status run-id testpatt last-update)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'get-tests-for-run-state-status run-id (list run-id testpatt last-update)))

;; get stuff via synchash 
(define (rmt:synchash-get run-id proc synckey keynum params)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'synchash-get run-id (list run-id proc synckey keynum params)))

(define (rmt:get-tests-for-run-mindata run-id testpatt states status not-in)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'get-tests-for-run-mindata run-id (list run-id testpatt states status not-in)))
  
;; state and status are extra hints not usually used in the calculation
;;
(define (rmt:set-state-status-and-roll-up-items run-id test-name item-path state status comment)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmtmod:send-receive 'set-state-status-and-roll-up-items run-id (list run-id test-name item-path state status comment)))


;;======================================================================
;; Maintenance
;;======================================================================


(define (rmt:get-toplevels-and-incompletes run-id running-deadtime remotehoststart-deadtime)
  (rmtmod:send-receive 'get-toplevels-and-incompletes run-id (list run-id running-deadtime remotehoststart-deadtime)))

(define (rmt:get-status-from-final-status-file run-dir)
  (let ((infile (conc run-dir "/.final-status")))
    ;; first verify we are able to write the output file
    (if (not (file-read-access? infile))
        (begin 
	  (debug:print 2 *default-log-port* "ERROR: cannot read " infile)
          (debug:print 2 *default-log-port* "ERROR: run-dir is " run-dir)
          #f
          )
        (with-input-from-file infile read-lines)
	)))
  

;;  select end_time-now from
;;      (select testname,item_path,event_time+run_duration as
;;                          end_time,strftime('%s','now') as now from tests where state in
;;      ('RUNNING','REMOTEHOSTSTART','LAUNCHED'));

;;
;; NOT EASY TO MIGRATE TO db{file,mod}
;;
(define (rmt:find-and-mark-incomplete-engine run-id ovr-deadtime cfg-deadtime test-stats-update-period)
  (let* ((incompleted '())
	 (oldlaunched '())

	 (toplevels   '())
          ;; The default running-deadtime is 720 seconds = 12 minutes.
          ;; "(running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))" = 200 + (2 * (200 + 30 + 30))
         (deadtime-trim (or ovr-deadtime cfg-deadtime))
         (server-start-allowance 200)
         (server-overloaded-budget 200)
         (launch-monitor-off-time (or test-stats-update-period 30))
         (launch-monitor-on-time-budget 30)
         (launch-monitor-period (+ launch-monitor-off-time launch-monitor-on-time-budget server-overloaded-budget))
         (remotehoststart-deadtime-default (+ server-start-allowance server-overloaded-budget 30))
         (remotehoststart-deadtime (or deadtime-trim remotehoststart-deadtime-default))
         (running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))
         (running-deadtime (or deadtime-trim running-deadtime-default))) ;; two minutes (30 seconds between updates, this leaves 3x grace period)

    (debug:print-info 4  *default-log-port* "running-deadtime = " running-deadtime)
    (debug:print-info 4  *default-log-port* "deadtime-trim = " deadtime-trim)

    (let* ((dat (rmt:get-toplevels-and-incompletes run-id running-deadtime remotehoststart-deadtime)))
      (set! oldlaunched (list-ref dat 1))
      (set! toplevels   (list-ref dat 2))
      (set! incompleted (list-ref dat 0)))

    (debug:print-info 18 *default-log-port* "Found " (length oldlaunched) " old LAUNCHED items, "
		      (length toplevels) " old LAUNCHED toplevel tests and "
		      (length incompleted) " tests marked RUNNING but apparently dead.")
  
    ;; These are defunct tests, do not do all the overhead of set-state-status. Force them to INCOMPLETE.
    ;;
    ;; (db:delay-if-busy dbdat)
    (let* ((min-incompleted-ids (map car incompleted)) ;; do 'em all
	   (all-ids             (append min-incompleted-ids (map car oldlaunched))))
      (if (> (length all-ids) 0)
	  (begin
	    ;; (launch:is-test-alive "localhost" 435)
	    (debug:print 0 *default-log-port* "WARNING: Marking test(s); " (string-intersperse (map conc all-ids) ", ")
			 " as DEAD")
	    (for-each
             (lambda (test-id)
               (let* ((tinfo   (rmt:get-test-info-by-id run-id test-id))
		      (run-dir (db:test-get-rundir     tinfo))
		      (host    (db:test-get-host       tinfo))
		      (pid     (db:test-get-process_id tinfo))
		      (result (rmt:get-status-from-final-status-file run-dir)))
		 (if (and (list? result) (> (length result) 1) (equal? "PASS" (cadr result)) (equal? "COMPLETED" (car result))) 
		     (begin
		       (debug:print 0 *default-log-port* "INFO: test " test-id " actually passed, so marking PASS not DEAD")
		       (rmt:set-state-status-and-roll-up-items
			run-id test-id 'foo "COMPLETED" "PASS"
			"Test stopped responding but it has PASSED; marking it PASS in the DB."))
		     (let ((is-alive (and (not (eq? pid 0))  ;; 0 is default in re-used field "attemptnum" where pid stored.
					  (commonmod:is-test-alive host pid))))
		       (if is-alive
			   (debug:print 0 *default-log-port* "INFO: test " test-id " on host " host
					" has a process on pid " pid ", NOT setting to DEAD.")
			   (begin
			     (debug:print 0 *default-log-port* "INFO: test " test-id
					  " final state/status is not COMPLETED/PASS. It is " result)
			     (rmt:set-state-status-and-roll-up-items
			      run-id test-id 'foo "COMPLETED" "DEAD"
			      "Test stopped responding while in RUNNING or REMOTEHOSTSTART; presumed dead.")))))))
	     ;; call end of eud of run detection for posthook - from merge, is it needed?
	     ;; (launch:end-of-run-check run-id)
	     all-ids)
	    )))))


)

Modified runconfig.scm from [66b9c38588] to [e745c7478e].

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;; to this run field1val/field2val/field3val ...
;;======================================================================

(use format directory-utils)

(declare (unit runconfig))
(declare (uses common))






(include "common_records.scm")

(define (runconfig:read fname target environ-patt)
  (let ((ht (make-hash-table)))
    (if target (hash-table-set! ht target '()))
    (read-config fname ht #t environ-patt: environ-patt sections: (if target (list "default" target) #f))))







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;; to this run field1val/field2val/field3val ...
;;======================================================================

(use format directory-utils)

(declare (unit runconfig))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))

(import commonmod
	debugprint)

(include "common_records.scm")

(define (runconfig:read fname target environ-patt)
  (let ((ht (make-hash-table)))
    (if target (hash-table-set! ht target '()))
    (read-config fname ht #t environ-patt: environ-patt sections: (if target (list "default" target) #f))))

Modified runs.scm from [52f98f2a96] to [77337ff0b0].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format  sxml-serializer
     sxml-modifications matchable)

(declare (unit runs))
(declare (uses db))
(declare (uses common))


(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses mt))
(declare (uses archive))
;; (declare (uses filedb))









(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; (include "debugger.scm")







;; use this struct to facilitate refactoring
;;

(defstruct runs:dat
  reglen regfull
  runname max-concurrent-jobs run-id
  test-patts required-tests test-registry







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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')





(declare (unit runs))
(declare (uses db))
(declare (uses common))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses server))
(declare (uses mt))
(declare (uses archive))
(declare (uses mtargs))
(declare (uses rmtmod))
(declare (uses dbfile))

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format  sxml-serializer
     sxml-modifications matchable)



(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")

;; (include "debugger.scm")

(import commonmod
	debugprint
	rmtmod
	dbfile
	(prefix mtargs args:))

;; use this struct to facilitate refactoring
;;

(defstruct runs:dat
  reglen regfull
  runname max-concurrent-jobs run-id
  test-patts required-tests test-registry
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	(debug:print-info 1 *default-log-port* "Adding \"" (string-intersperse required-tests " ") "\" to the run queue"))
    ;; NOTE: these are all parent tests, items are not expanded yet.
    (debug:print-info 4 *default-log-port* "test-records=" (hash-table->alist test-records))
    (let ((reglen (configf:lookup *configdat* "setup" "runqueue")))
      (if (> (length (hash-table-keys test-records)) 0)
	  (let* ((keep-going        #t)
		 (run-queue-retries 5)
		;; (th1        (make-thread (lambda ()
		;; 			    (handle-exceptions
		;; 				exn
		;; 				(begin
		;; 				  (print-call-chain)
		;; 				  (print " message: " ((condition-property-accessor 'exn 'message) exn)))
		;; 			      (runs:run-tests-queue run-id runname test-records keyvals flags test-patts required-tests
		;; 						    (any->number reglen) all-tests-registry)))
		;; 			  "runs:run-tests-queue"))
		 (th2        (make-thread (lambda ()			 ;; BBQ: why are we visiting ALL runs here?	    
					    ;; (rmt:find-and-mark-incomplete-all-runs))))) CAN'T INTERRUPT IT ...
					    (let ((run-ids (rmt:get-all-run-ids)))
					      (for-each (lambda (run-id)
							  (if keep-going
							      (handle-exceptions
							       exn
							       (debug:print 0 *default-log-port* "error in calling find-and-mark-incomplete for run-id " run-id ", exn=" exn)
							       (rmt:find-and-mark-incomplete run-id #f)))) ;; ovr-deadtime))) ;; could be root of https://hsdes.intel.com/appstore/article/#/220546828/main -- Title: Megatest jobs show DEAD even though they are still running (1.64/27)
							run-ids)))
					  "runs: mark-incompletes")))
	    ;; (thread-start! th1)
	    (thread-start! th2)
	    ;; (thread-join! th1)
	    ;; just do the main stuff in the main thread
	    (runs:run-tests-queue run-id runname test-records keyvals flags test-patts required-tests
								    (any->number reglen) all-tests-registry)
	    (set! keep-going #f)
	    (thread-join! th2)
	    ;; if run-count > 0 call, set -preclean and -rerun STUCK/DEAD
	    (if (> run-count 0) ;; handle reruns
		(begin
		  (if (not (hash-table-ref/default flags "-preclean" #f))
		      (hash-table-set! flags "-preclean" #t))
		  (if (not (hash-table-ref/default flags "-rerun" #f))
		      (hash-table-set! flags "-rerun" "ABORT,STUCK/DEAD,n/a,ZERO_ITEMS"))
		  ;; recursive call to self
      (runs:run-tests target runname test-patts user flags run-count: (- run-count 1)))
                  (launch:end-of-run-check run-id)))
	  (debug:print-info 0 *default-log-port* "No tests to run")))
    (debug:print-info 4 *default-log-port* "All done by here")
    ;; TODO: try putting post hook call here
      
    ;  (debug:print-info 2 *default-log-port* " run-count " run-count)
    ;  (runs:run-post-hook run-id))
    ;  (debug:print-info 2 *default-log-port* "Not calling post hook runcount = " run-count ))   







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	(debug:print-info 1 *default-log-port* "Adding \"" (string-intersperse required-tests " ") "\" to the run queue"))
    ;; NOTE: these are all parent tests, items are not expanded yet.
    (debug:print-info 4 *default-log-port* "test-records=" (hash-table->alist test-records))
    (let ((reglen (configf:lookup *configdat* "setup" "runqueue")))
      (if (> (length (hash-table-keys test-records)) 0)
	  (let* ((keep-going        #t)
		 (run-queue-retries 5)











		 (run-ids (rmt:get-all-run-ids)))
	    #;(for-each (lambda (run-id)
			(if keep-going
			    (handle-exceptions
				exn
			      (debug:print 0 *default-log-port* "error in calling find-and-mark-incomplete for run-id " run-id ", exn=" exn)
			      (rmt:find-and-mark-incomplete run-id #f)))) ;; ovr-deadtime))) ;; could be root of https://hsdes.intel.com/appstore/article/#/220546828/main -- Title: Megatest jobs show DEAD even though they are still running (1.64/27)
		      run-ids)





	    (runs:run-tests-queue run-id runname test-records keyvals flags test-patts required-tests
				  (any->number reglen) all-tests-registry)
	    (set! keep-going #f)


	    (if (> run-count 0) ;; handle reruns
		(begin
		  (if (not (hash-table-ref/default flags "-preclean" #f))
		      (hash-table-set! flags "-preclean" #t))
		  (if (not (hash-table-ref/default flags "-rerun" #f))
		      (hash-table-set! flags "-rerun" "ABORT,STUCK/DEAD,n/a,ZERO_ITEMS"))

      (runs:run-tests target runname test-patts user flags run-count: (- run-count 1)))
                (launch:end-of-run-check run-id)))
	  (debug:print-info 0 *default-log-port* "No tests to run")))
    (debug:print-info 4 *default-log-port* "All done by here")
    ;; TODO: try putting post hook call here
      
    ;  (debug:print-info 2 *default-log-port* " run-count " run-count)
    ;  (runs:run-post-hook run-id))
    ;  (debug:print-info 2 *default-log-port* "Not calling post hook runcount = " run-count ))   
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			 ", "))
      (thread-sleep! 0.051)
      (list hed tal reg reruns))
     
     ;; If no resources are available just kill time and loop again
     ;;
     ((not have-resources) ;; simply try again after waiting a second
      (if (runs:lownoise "no resources" 60)
	  (debug:print-info 1 *default-log-port* "no resources to run new tests, waiting ..."))

      ;; Have gone back and forth on this but db starvation is an issue.
      ;; wait one second before looking again to run jobs.
      (thread-sleep! 0.25)







      ;; could have done hed tal here but doing car/cdr of newtal to rotate tests
      (list (car newtal)(cdr newtal) reg reruns))
     
     ;; This is the final stage, everything is in place so launch the test
     ;;
     ((and have-resources
	   (or (null? prereqs-not-met)







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			 ", "))
      (thread-sleep! 0.051)
      (list hed tal reg reruns))
     
     ;; If no resources are available just kill time and loop again
     ;;
     ((not have-resources) ;; simply try again after waiting a second
      (if (runs:lownoise "no resources" 600)
	  (debug:print-info 1 *default-log-port* "no resources to run new tests, waiting ..."))

      ;; Have gone back and forth on this but db starvation is an issue.
      ;; wait one second before looking again to run jobs.
      ;; (thread-sleep! 0.25)
      
      ;; new logic.
      ;; If it has been more than 10 seconds since we were last here don't wait at all
      ;; otherwise sleep 2 seconds to give db a rest and let dashboard read data
      (if (runs:lownoise "frequent-no-resources" 10)
	  (thread-sleep! 0.25) ;; no significant delay
	  (thread-sleep! 2))
      ;; could have done hed tal here but doing car/cdr of newtal to rotate tests
      (list (car newtal)(cdr newtal) reg reruns))
     
     ;; This is the final stage, everything is in place so launch the test
     ;;
     ((and have-resources
	   (or (null? prereqs-not-met)
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         (registry-mutex        (make-mutex))
         (num-retries           0)
         (max-retries           (configf:lookup *configdat* "setup" "maxretries"))
         (max-concurrent-jobs   (configf:lookup-number *configdat* "setup" "max_concurrent_jobs" default: 50))
         (reglen                (if (number? reglen-in) reglen-in 1))
         (last-time-incomplete  (- (current-seconds) 900)) ;; force at least one clean up cycle
         (last-time-some-running (current-seconds))

         ;; (tdbdat                (tasks:open-db))
         (runsdat (make-runs:dat
                   ;; hed: hed
                   ;; tal: tal
                   ;; reg: reg
                   ;; reruns: reruns
                   reglen: reglen







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         (registry-mutex        (make-mutex))
         (num-retries           0)
         (max-retries           (configf:lookup *configdat* "setup" "maxretries"))
         (max-concurrent-jobs   (configf:lookup-number *configdat* "setup" "max_concurrent_jobs" default: 50))
         (reglen                (if (number? reglen-in) reglen-in 1))
         (last-time-incomplete  (- (current-seconds) 900)) ;; force at least one clean up cycle
         (last-time-some-running (current-seconds))
	 (incoming-tests        '()) ;; queue up incoming tests here to tack on to tal when it gets low
         ;; (tdbdat                (tasks:open-db))
         (runsdat (make-runs:dat
                   ;; hed: hed
                   ;; tal: tal
                   ;; reg: reg
                   ;; reruns: reruns
                   reglen: reglen
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			   test-name:   test-name
			   item-path:   item-path
			   jobgroup:    jobgroup
			   waitons:     waitons
			   testmode:    testmode
			   newtal:      newtal
			   itemmaps:    itemmaps
			   ;; prereqs-not-met: prereqs-not-met
			   )))

	;; too-tight loop detection and delay, this might hide issues
	;; that occur in long run times. Consider commenting when debugging
	;; 
	(if (and (>= num-running max-concurrent-jobs)
		 (< (- (current-milliseconds) *last-loop-time-ms*) 500))







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			   test-name:   test-name
			   item-path:   item-path
			   jobgroup:    jobgroup
			   waitons:     waitons
			   testmode:    testmode
			   newtal:      newtal
			   itemmaps:    itemmaps
			   prereqs-not-met: '()
			   )))

	;; too-tight loop detection and delay, this might hide issues
	;; that occur in long run times. Consider commenting when debugging
	;; 
	(if (and (>= num-running max-concurrent-jobs)
		 (< (- (current-milliseconds) *last-loop-time-ms*) 500))
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		 (let* ((jobgroup              (runs:testdat-jobgroup testdat-in))
			(can-run-more-tests    (runs:dat-can-run-more-tests runsdat))
			(last-jobs-check-time  (runs:dat-last-jobs-check-time runsdat))
			(should-check-jobs     (match can-run-more-tests
						 ((can-run-more-flag num-running nr-in-jobgroup max-concurrent-jobs . params)
						  (if (< (- max-concurrent-jobs num-running) 25)
						      (begin
							(debug:print-info 0 *default-log-port*
									  "less than 20 jobs headroom, ("max-concurrent-jobs
									  "-"num-running")>20. Forcing prelaunch check.")
							#t)
						      #f))
						 (else #f)))) ;; no record yet
		   (if should-check-jobs
		       (let loop-can-run-more







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		 (let* ((jobgroup              (runs:testdat-jobgroup testdat-in))
			(can-run-more-tests    (runs:dat-can-run-more-tests runsdat))
			(last-jobs-check-time  (runs:dat-last-jobs-check-time runsdat))
			(should-check-jobs     (match can-run-more-tests
						 ((can-run-more-flag num-running nr-in-jobgroup max-concurrent-jobs . params)
						  (if (< (- max-concurrent-jobs num-running) 25)
						      (begin
							(debug:print-info 2 *default-log-port*
									  "less than 20 jobs headroom, ("max-concurrent-jobs
									  "-"num-running")>20. Forcing prelaunch check.")
							#t)
						      #f))
						 (else #f)))) ;; no record yet
		   (if should-check-jobs
		       (let loop-can-run-more
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                                   (my-item-path (item-list->path my-itemdat))

                                   (newtestname (db:test-make-full-name hed my-item-path)))    ;; test names are unique on testname/item-path
                              (tests:testqueue-set-items!     new-test-record #f)
                              (tests:testqueue-set-itemdat!   new-test-record my-itemdat)
                              (tests:testqueue-set-item_path! new-test-record my-item-path)
                              (hash-table-set! test-records newtestname new-test-record)




                              (set! tal (append tal (list newtestname)))))  ;; since these are itemized create new test names testname/itempath
                          items-in-testpatt)))
          
          





	  ;; At this point we have possibly added items to tal but all must be handed off to 
	  ;; INNER COND logic. I think loop without rotating the queue 
	  ;; (loop hed tal reg reruns))
	  ;; (let ((newtal (append tal (list hed))))  ;; We should discard hed as it has been expanded into it's items? Yes, but only if this *is* an itemized test
	  ;; (loop (car newtal)(cdr newtal) reg reruns)
	  (if (null? tal)







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                                   (my-item-path (item-list->path my-itemdat))

                                   (newtestname (db:test-make-full-name hed my-item-path)))    ;; test names are unique on testname/item-path
                              (tests:testqueue-set-items!     new-test-record #f)
                              (tests:testqueue-set-itemdat!   new-test-record my-itemdat)
                              (tests:testqueue-set-item_path! new-test-record my-item-path)
                              (hash-table-set! test-records newtestname new-test-record)
			      ;; BUG: This next line sucks up a lot of horsepower
			      ;; (set! tal (append tal (list newtestname)))
			      ;; (set! tal (cons newtestname tal)) ;; 4/6/2023 - try using cons, does it matter if the test gets added at the beginning?
			      (set! incoming-tests (cons newtestname incoming-tests))
			      ))  ;; since these are itemized create new test names testname/itempath
                          items-in-testpatt)))
          
	  (if (and (< (length tal) 20)
		   (not (null? incoming-tests)))
	      (begin
		(set! tal (append tal (reverse incoming-tests)))
		(set! incoming-tests '())))

	  ;; At this point we have possibly added items to tal but all must be handed off to 
	  ;; INNER COND logic. I think loop without rotating the queue 
	  ;; (loop hed tal reg reruns))
	  ;; (let ((newtal (append tal (list hed))))  ;; We should discard hed as it has been expanded into it's items? Yes, but only if this *is* an itemized test
	  ;; (loop (car newtal)(cdr newtal) reg reruns)
	  (if (null? tal)
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	 (state-status (if (string? new-state-status) (string-split new-state-status ",") '(#f #f)))
	 (rp-mutex     (make-mutex))
	 (bup-mutex    (make-mutex))
         (keep-records (args:get-arg "-keep-records")) ;; used in conjunction with -remove-runs to keep the records, TODO: consolidate this with "mode".
	 (test-records '())) ;; for tasks that we wish to operate on all tests in one fell swoop

    (let* ((write-access-actions '(remove-runs set-state-status archive run-wait kill-runs))
           (dbfile             (conc  *toppath* "/.megatest/main.db"))
           (readonly-mode      (not (file-write-access? dbfile))))
      (when (and readonly-mode
                 (member action write-access-actions))
        (debug:print-error 0 *default-log-port* dbfile " is readonly.  Cannot proceed with action ["action"] in which write-access isrequired .")
        (exit 1)))
    
    (debug:print-info 4 *default-log-port* "runs:operate-on => Header: " header " action: " action " new-state-status: " new-state-status)







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	 (state-status (if (string? new-state-status) (string-split new-state-status ",") '(#f #f)))
	 (rp-mutex     (make-mutex))
	 (bup-mutex    (make-mutex))
         (keep-records (args:get-arg "-keep-records")) ;; used in conjunction with -remove-runs to keep the records, TODO: consolidate this with "mode".
	 (test-records '())) ;; for tasks that we wish to operate on all tests in one fell swoop

    (let* ((write-access-actions '(remove-runs set-state-status archive run-wait kill-runs))
           (dbfile             (conc  *toppath* "/.mtdb/main.db"))
           (readonly-mode      (not (file-write-access? dbfile))))
      (when (and readonly-mode
                 (member action write-access-actions))
        (debug:print-error 0 *default-log-port* dbfile " is readonly.  Cannot proceed with action ["action"] in which write-access isrequired .")
        (exit 1)))
    
    (debug:print-info 4 *default-log-port* "runs:operate-on => Header: " header " action: " action " new-state-status: " new-state-status)

Modified server.scm from [167f3b570d] to [39953c681c].

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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

(require-extension (srfi 18) extras tcp s11n)

(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest
     directory-utils posix-extras matchable utils)

(use spiffy uri-common intarweb http-client spiffy-request-vars)

(declare (unit server))

(declare (uses commonmod))

(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
;; (declare (uses synchash))
(declare (uses http-transport))
;;(declare (uses rpc-transport))
(declare (uses launch))
;; (declare (uses daemon))







(import commonmod)



(include "common_records.scm")
(include "db_records.scm")

(define (server:make-server-url hostport)
  (if (not hostport)
      #f







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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;








(declare (unit server))

(declare (uses commonmod))
(declare (uses debugprint))
(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
;; (declare (uses synchash))

;;(declare (uses rpc-transport))
(declare (uses launch))
;; (declare (uses daemon))
(declare (uses mtargs))

(use (srfi 18) extras s11n)
(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
(use directory-utils posix-extras matchable utils)
(use spiffy uri-common intarweb http-client spiffy-request-vars)

(import commonmod
	debugprint
	(prefix mtargs args:))

(include "common_records.scm")
(include "db_records.scm")

(define (server:make-server-url hostport)
  (if (not hostport)
      #f
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;;======================================================================
;; S E R V E R
;;======================================================================

;; Call this to start the actual server
;;

;; all routes though here end in exit ...
;;
;; start_server
;;
(define (server:launch run-id transport-type)
  (case transport-type
    ((http)(http-transport:launch))
    ;;((nmsg)(nmsg-transport:launch run-id))
    ;;((rpc)  (rpc-transport:launch run-id))
    (else (debug:print-error 0 *default-log-port* "unknown server type " transport-type))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; Get the transport
(define (server:get-transport)
  (if *transport-type*







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;;======================================================================
;; S E R V E R
;;======================================================================

;; Call this to start the actual server
;;












;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; Get the transport
(define (server:get-transport)
  (if *transport-type*
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(define (server:get-server-id)
  (if *server-id* *server-id*
      (let ((sig (server:mk-signature))) ;; clients re-use the server:mk-signature logic
        (set! *server-id* sig)
        *server-id*)))

;; When using zmq this would send the message back (two step process)
;; with spiffy or rpc this simply returns the return data to be returned
;; 
(define (server:reply return-addr query-sig success/fail result)
  (debug:print-info 11 *default-log-port* "server:reply return-addr=" return-addr ", result=" result)
  ;; (send-message pubsock target send-more: #t)
  ;; (send-message pubsock 
  (case (server:get-transport)
    ((rpc)  (db:obj->string (vector success/fail query-sig result)))
    ((http) (db:obj->string (vector success/fail query-sig result)))
    ((fs)   result)
    (else 
     (debug:print-error 0 *default-log-port* "unrecognised transport type: " *transport-type*)
     result)))

;; Given an area path,  start a server process    ### NOTE ### > file 2>&1 
;; if the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (server:run areapath) ;; areapath is *toppath* for a given testsuite area
  (let* (;; (curr-host   (get-host-name))
         ;; (attempt-in-progress (server:start-attempted? areapath))
         ;; (dot-server-url (server:check-if-running areapath))
	 ;; (curr-ip     (server:get-best-guess-address curr-host))
	 ;; (curr-pid    (current-process-id))
	 ;; (homehost    (server:get-homehost)) ;; configf:lookup *configdat* "server" "homehost" ))
	 ;; (target-host (car homehost))
	 (testsuite   (common:get-testsuite-name))
	 (logfile     (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (profile-mode (or (configf:lookup *configdat* "misc" "profilesw")
			   ""))
	 (cmdln (conc (common:get-megatest-exe)
		      " -server - ";; (or target-host "-")
		      (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
			  " -daemonize "







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(define (server:get-server-id)
  (if *server-id* *server-id*
      (let ((sig (server:mk-signature))) ;; clients re-use the server:mk-signature logic
        (set! *server-id* sig)
        *server-id*)))

;; ;; When using zmq this would send the message back (two step process)
;; ;; with spiffy or rpc this simply returns the return data to be returned
;; ;; 
;; (define (server:reply return-addr query-sig success/fail result)
;;   (debug:print-info 11 *default-log-port* "server:reply return-addr=" return-addr ", result=" result)
;;   ;; (send-message pubsock target send-more: #t)
;;   ;; (send-message pubsock 
;;   (case (server:get-transport)
;;     ((rpc)  (db:obj->string (vector success/fail query-sig result)))
;;     ((http) (db:obj->string (vector success/fail query-sig result)))
;;     ((fs)   result)
;;     (else 
;;      (debug:print-error 0 *default-log-port* "unrecognised transport type: " *transport-type*)
;;      result)))

;; Given an area path,  start a server process    ### NOTE ### > file 2>&1 
;; if the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (server:run areapath) ;; areapath is *toppath* for a given testsuite area







  (let* ((testsuite   (common:get-testsuite-name))
	 (logfile     (conc areapath "/logs/server.log")) ;; -" curr-pid "-" target-host ".log"))
	 (profile-mode (or (configf:lookup *configdat* "misc" "profilesw")
			   ""))
	 (cmdln (conc (common:get-megatest-exe)
		      " -server - ";; (or target-host "-")
		      (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
			  " -daemonize "
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(define (server:logf-get-start-info logf)
  (let ((server-rx    (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+) pid: (\\d+)")) ;; SERVER STARTED: host:port AT timesecs server id
        (dbprep-rx    (regexp "^SERVER: dbprep"))
        (dbprep-found 0)
	(bad-dat      (list #f #f #f #f #f)))
    (handle-exceptions
	exn
      (begin


	(debug:print-info 0 *default-log-port* "Unable to get server info from " logf ", exn=" exn)
	bad-dat) ;; no idea what went wrong, call it a bad server
      (with-input-from-file
	  logf
	(lambda ()
	  (let loop ((inl  (read-line))
		     (lnum 0))
	    (if (not (eof-object? inl))
		(let ((mlst (string-match server-rx inl))
                      (dbprep (string-match dbprep-rx inl)))
                  (if dbprep (set! dbprep-found 1))
		  (if (not mlst)
		      (if (< lnum 500) ;; give up if more than 500 lines of server log read
			  (loop (read-line)(+ lnum 1))
			  (begin 
                           (debug:print-info 0 *default-log-port* "Unable to get server info from first 500 lines of " logf )
                           bad-dat))
		      (match mlst
			((_ host port start server-id pid)
			 (list host
			       (string->number port)
			       (string->number start)
			       server-id
			       (string->number pid)))
			(else
			 (debug:print 0 *current-log-port* "ERROR: did not recognise SERVER line info "mlst)
			 bad-dat))))
                (begin 
                  (if dbprep-found
                      (begin
                         (debug:print-info 2 *default-log-port* "Server is in dbprep at " (common:human-time))
                         (thread-sleep! 0.5)) ;; was 25 sec but that blocked things from starting?
                      (debug:print-info 0 *default-log-port* "Unable to get server info from " logf " at " (seconds->time-string (current-seconds))))
		  bad-dat))))))))

;; ;; get a list of servers from the log files, with all relevant data
;; ;; ( mod-time host port start-time pid )
;; ;;
;; (define (server:get-list areapath #!key (limit #f))
;;   (let ((fname-rx    (regexp "^(|.*/)server-(\\d+)-(\\S+).log$"))
;; 	(day-seconds (* 24 60 60)))







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(define (server:logf-get-start-info logf)
  (let ((server-rx    (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+) pid: (\\d+)")) ;; SERVER STARTED: host:port AT timesecs server id
        (dbprep-rx    (regexp "^SERVER: dbprep"))
        (dbprep-found 0)
	(bad-dat      (list #f #f #f #f #f)))
    (handle-exceptions
     exn
     (begin
       ;; WARNING: this is potentially dangerous to blanket ignore the errors
       (if (file-exists? logf)
	   (debug:print-info 2 *default-log-port* "Unable to get server info from "logf", exn=" exn))
       bad-dat) ;; no idea what went wrong, call it a bad server
     (with-input-from-file
	 logf
       (lambda ()
	 (let loop ((inl  (read-line))
		    (lnum 0))
	   (if (not (eof-object? inl))
	       (let ((mlst (string-match server-rx inl))
		     (dbprep (string-match dbprep-rx inl)))
		 (if dbprep (set! dbprep-found 1))
		 (if (not mlst)
		     (if (< lnum 500) ;; give up if more than 500 lines of server log read
			 (loop (read-line)(+ lnum 1))
			 (begin 
                           (debug:print-info 0 *default-log-port* "Unable to get server info from first 500 lines of " logf )
                           bad-dat))
		     (match mlst
			    ((_ host port start server-id pid)
			     (list host
				   (string->number port)
				   (string->number start)
				   server-id
				   (string->number pid)))
			    (else
			     (debug:print 0 *current-log-port* "ERROR: did not recognise SERVER line info "mlst)
			     bad-dat))))
	       (begin 
		 (if dbprep-found
		     (begin
		       (debug:print-info 2 *default-log-port* "Server is in dbprep at " (common:human-time))
		       (thread-sleep! 0.5)) ;; was 25 sec but that blocked things from starting?
		     (debug:print-info 0 *default-log-port* "Unable to get server info from " logf " at " (seconds->time-string (current-seconds))))
		 bad-dat))))))))

;; ;; get a list of servers from the log files, with all relevant data
;; ;; ( mod-time host port start-time pid )
;; ;;
;; (define (server:get-list areapath #!key (limit #f))
;;   (let ((fname-rx    (regexp "^(|.*/)server-(\\d+)-(\\S+).log$"))
;; 	(day-seconds (* 24 60 60)))
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		 (thread-sleep! ( + 1 idletime))
		 (server:wait-for-server-start-last-flag areapath)))))))

;; oldest server alive determines host then choose random of youngest
;; five servers on that host
;;
(define (server:get-servers-info areapath)

  (let* ((servinfodir (conc *toppath*"/.servinfo")))
    (if (not (file-exists? servinfodir))
	(create-directory servinfodir))
    (let* ((allfiles    (glob (conc servinfodir"/*")))
	   (res         (make-hash-table)))
      (for-each
       (lambda (f)
	 (let* ((hostport  (pathname-strip-directory f))
		(serverdat (server:logf-get-start-info f)))
	   (match serverdat
	     ((host port start server-id pid)
	      (if (and host port start server-id pid)
		  (hash-table-set! res hostport serverdat)
		  (debug:print-info 0 *default-log-port* "bad server info for "f": "serverdat)))
	     (else
	      (debug:print-info 0 *default-log-port* "bad server info for "f": "serverdat)))))
       allfiles)
      res)))































;; oldest server alive determines host then choose random of youngest
;; five servers on that host
;;
;; mode:
;;   best - get best server (random of newest five)
;;   home - get home host based on oldest server
;;   info - print info
(define (server:choose-server areapath #!optional (mode 'best))
  ;; age is current-starttime
  ;; find oldest alive
  ;;   1. sort by age ascending and ping until good
  ;; find alive rand from youngest
  ;;   1. sort by age descending
  ;;   2. take five
  ;;   3. check alive, discard if not and repeat














  (let* ((serversdat  (server:get-servers-info areapath))
	 (servkeys    (hash-table-keys serversdat))
	 (by-time-asc (if (not (null? servkeys))
			  (sort servkeys ;; list of "host:port"
				(lambda (a b)
				  (>= (list-ref (hash-table-ref serversdat a) 2)
				      (list-ref (hash-table-ref serversdat b) 2))))
			  '())))


    (if (not (null? by-time-asc))
	(let* ((oldest     (last by-time-asc))
	       (oldest-dat (hash-table-ref serversdat oldest))
	       (host       (list-ref oldest-dat 0))
	       (all-valid  (filter (lambda (x)
				     (equal? host (list-ref (hash-table-ref serversdat x) 0)))
				   by-time-asc))
	       (best-five  (lambda ()
			     (if (> (length all-valid) 5)


				 (take all-valid 5)
				 all-valid)))
	       (names->dats (lambda (names)
			      (map (lambda (x)
				     (hash-table-ref serversdat x))
				   names)))
	       (am-home?    (lambda ()
			      (let* ((currhost (get-host-name))
				     (bestadrs (server:get-best-guess-address currhost)))
				(or (equal? host currhost)
				    (equal? host bestadrs))))))
	  (case mode
	    ((info)
	     (print "oldest: "oldest-dat", selected host: "host", all-valid: "all-valid)
	     (print "youngest: "(hash-table-ref serversdat (car all-valid))))
	    ((home)     host)
	    ((homehost) (cons host (am-home?))) ;; shut up old code
	    ((home?)    (am-home?))
	    ((best-five)(names->dats (best-five)))
	    ((all-valid)(names->dats all-valid))
	    ((best)     (let* ((best-five (best-five))
			       (len       (length best-five)))
			  (hash-table-ref serversdat (list-ref best-five (random len)))))
	    ((count)(length all-valid))
	    (else
	     (debug:print 0 *default-log-port* "ERROR: invalid command "mode)
	     #f)))
	(begin
	  (server:run areapath)

	  (thread-sleep! 3)
	  (case mode
	    ((homehost) (cons #f #f))
	    (else	#f))))))





























;; would like to eventually get rid of this
;;
(define (common:on-homehost?)

  (server:choose-server *toppath* 'home?))


;; kind start up of server, wait before allowing another server for a given
;; area to be launched
;;
(define (server:kind-run areapath)
  ;; look for $MT_RUN_AREA_HOME/logs/server-start-last
  ;; and wait for it to be at least <server idletime> seconds old
  ;; (server:wait-for-server-start-last-flag areapath)






  (if (< (server:choose-server areapath 'count) 10)
      (server:run areapath))
  #;(if (not (server:check-if-running areapath)) ;; why try if there is already a server running?
      (let* ((lock-file    (conc areapath "/logs/server-start.lock")))
	(let* ((start-flag (conc areapath "/logs/server-start-last")))
	  (common:simple-file-lock-and-wait lock-file expire-time: 25)
	  (debug:print-info  2 *default-log-port* "server:kind-run: touching " start-flag)
	  (system (conc "touch " start-flag)) ;; lazy but safe







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		 (thread-sleep! ( + 1 idletime))
		 (server:wait-for-server-start-last-flag areapath)))))))

;; oldest server alive determines host then choose random of youngest
;; five servers on that host
;;
(define (server:get-servers-info areapath)
  ;; (assert *toppath* "FATAL: server:get-servers-info called before *toppath* has been set.")
  (let* ((servinfodir (server:get-servinfo-dir areapath))) ;; (conc *toppath*"/.servinfo")))
    (if (not (file-exists? servinfodir))
	(create-directory servinfodir))
    (let* ((allfiles    (glob (conc servinfodir"/*")))
	   (res         (make-hash-table)))
      (for-each
       (lambda (f)
	 (let* ((hostport  (pathname-strip-directory f))
		(serverdat (server:logf-get-start-info f)))
	   (match serverdat
	     ((host port start server-id pid)
	      (if (and host port start server-id pid)
		  (hash-table-set! res hostport serverdat)
		  (debug:print-info 2 *default-log-port* "bad server info for "f": "serverdat)))
	     (else
	      (debug:print-info 2 *default-log-port* "bad server info for "f": "serverdat)))))
       allfiles)
      res)))

;; check the .servinfo directory, are there other servers running on this
;; or another host?
;;
;; returns #t => ok to start another server
;;         #f => not ok to start another server
;;
(define (server:minimal-check areapath)
  (server:clean-up-old areapath)
  (let* ((srvdir      (server:get-servinfo-dir areapath)) ;; (conc areapath"/.servinfo"))
	 (servrs      (glob (conc srvdir"/*")))
	 (thishostip  (server:get-best-guess-address (get-host-name)))
	 (thisservrs  (glob (conc srvdir"/"thishostip":*")))
	 (homehostinf (server:choose-server areapath 'homehost))
	 (havehome    (car homehostinf))
	 (wearehome   (cdr homehostinf)))
    (debug:print-info 0 *default-log-port* thishostip", have homehost: "havehome", we are homehost: "wearehome
		      ", numservers: "(length thisservrs))
    (cond
     ((not havehome) #t) ;; no homehost yet, go for it
     ((and havehome wearehome (< (length thisservrs) 20)) #t) ;; we are home and less than 20 servers, ok to start another
     ((and havehome (not wearehome)) #f)     ;; we are not the home host
     ((and havehome wearehome (>= (length thisservrs) 20)) #f) ;; have enough running
     (else
      (debug:print 0 *default-log-port* "WARNING: Unrecognised scenario, servrs="servrs", thishostip="thishostip", thisservrs="thisservrs)
      #t))))
	 

(define server-last-start 0)


;; oldest server alive determines host then choose random of youngest
;; five servers on that host
;;
;; mode:
;;   best - get best server (random of newest five)
;;   home - get home host based on oldest server
;;   info - print info
(define (server:choose-server areapath #!optional (mode 'best))
  ;; age is current-starttime
  ;; find oldest alive
  ;;   1. sort by age ascending and ping until good
  ;; find alive rand from youngest
  ;;   1. sort by age descending
  ;;   2. take five
  ;;   3. check alive, discard if not and repeat
  ;; first we clean up old server files
  (assert (eq? (rmt:transport-mode) 'http) "FATAL: server:run called with rmt:transport-mode="(rmt:transport-mode))
  (server:clean-up-old areapath)
  (let* ((since-last (- (current-seconds) server-last-start))
        (server-start-delay 10))     
    (if ( < (- (current-seconds) server-last-start) 10 )
      (begin
        (debug:print 2 *default-log-port* "server:choose-server: seconds since last server start: " (- (current-seconds) server-last-start))
        (debug:print 2 *default-log-port* "server:choose-server: last server start less than " server-start-delay " seconds ago. Sleeping " server-start-delay " seconds")
        (thread-sleep! server-start-delay)
      )
      (debug:print 2 *default-log-port* "server:choose-server: seconds since last server start: " (- (current-seconds) server-last-start))
    )
  )
  (let* ((serversdat  (server:get-servers-info areapath))
	 (servkeys    (hash-table-keys serversdat))
	 (by-time-asc (if (not (null? servkeys)) ;; NOTE: Oldest is last
			  (sort servkeys ;; list of "host:port"
				(lambda (a b)
				  (>= (list-ref (hash-table-ref serversdat a) 2)
				      (list-ref (hash-table-ref serversdat b) 2))))
			  '())))
    (debug:print 2 *default-log-port* "server:choose-server: serversdat: " serversdat)
    (debug:print 2 *default-log-port* "server:choose-server: servkeys: " servkeys)
    (if (not (null? by-time-asc))
	(let* ((oldest     (last by-time-asc))
	       (oldest-dat (hash-table-ref serversdat oldest))
	       (host       (list-ref oldest-dat 0))
	       (all-valid  (filter (lambda (x)
				     (equal? host (list-ref (hash-table-ref serversdat x) 0)))
				   by-time-asc))
	       (best-ten  (lambda ()
			     (if (> (length all-valid) 11)
				 (take (drop-right all-valid 1) 10) ;; remove the oldest from consideration so it can age out
				 (if (> (length all-valid) 8)
				     (drop-right all-valid 1)
				     all-valid))))
	       (names->dats (lambda (names)
			      (map (lambda (x)
				     (hash-table-ref serversdat x))
				   names)))
	       (am-home?    (lambda ()
			      (let* ((currhost (get-host-name))
				     (bestadrs (server:get-best-guess-address currhost)))
				(or (equal? host currhost)
				    (equal? host bestadrs))))))
	  (case mode
	    ((info)
	     (debug:print 0 *default-log-port* "oldest: "oldest-dat", selected host: "host", all-valid: "all-valid)
	     (debug:print 0 *default-log-port* "youngest: "(hash-table-ref serversdat (car all-valid))))
	    ((home)     host)
	    ((homehost) (cons host (am-home?))) ;; shut up old code
	    ((home?)    (am-home?))
	    ((best-ten)(names->dats (best-ten)))
	    ((all-valid)(names->dats all-valid))
	    ((best)     (let* ((best-ten (best-ten))
			       (len       (length best-ten)))
			  (hash-table-ref serversdat (list-ref best-ten (random len)))))
	    ((count)(length all-valid))
	    (else
	     (debug:print 0 *default-log-port* "ERROR: invalid command "mode)
	     #f)))
	(begin
	  (server:run areapath)
          (set! server-last-start (current-seconds))
	  ;; (thread-sleep! 3)
	  (case mode
	    ((homehost) (cons #f #f))
	    (else	#f))))))

(define (server:get-servinfo-dir areapath)
  (let* ((spath (conc areapath"/.servinfo")))
    (if (not (file-exists? spath))
	(create-directory spath #t))
    spath))

(define (server:clean-up-old areapath)
  ;; any server file that has not been touched in ten minutes is effectively dead
  (let* ((sfiles (glob (conc (server:get-servinfo-dir areapath)"/*"))))
    (for-each
     (lambda (sfile)
       (let* ((modtime (handle-exceptions
			   exn
			 (begin
			   (debug:print 0 *default-log-port* "WARNING: failed to get modification file for "sfile)
			   (current-seconds))
			 (file-modification-time sfile))))
	 (if (and (number? modtime)
		  (> (- (current-seconds) modtime)
		     600))
	     (begin
	       (debug:print 0 *default-log-port* "WARNING: found old server info file "sfile", removing it.")
	       (handle-exceptions
		   exn
		 (debug:print 0 *default-log-port* "WARNING: failed to delete old server info file "sfile)
		 (delete-file sfile))))))
     sfiles)))

;; would like to eventually get rid of this
;;
(define (common:on-homehost?)
  (if (eq? (rmt:transport-mode) 'http)
      (server:choose-server *toppath* 'home?)
      #t)) ;; there is no homehost for tcp and nfs is always on home so #t should work

;; kind start up of server, wait before allowing another server for a given
;; area to be launched
;;
(define (server:kind-run areapath)
  ;; look for $MT_RUN_AREA_HOME/logs/server-start-last
  ;; and wait for it to be at least <server idletime> seconds old
  ;; (server:wait-for-server-start-last-flag areapath)
  (let loop ()
    (if (> (alist-ref 'adj-proc-load (common:get-normalized-cpu-load #f)) 2)
	(begin
	  (if (common:low-noise-print 30 "our-host-load")
	      (debug:print 0 *default-log-port* "WARNING: system load is high, waiting to start server."))
	  (loop))))
  (if (< (server:choose-server areapath 'count) 20)
      (server:run areapath))
  #;(if (not (server:check-if-running areapath)) ;; why try if there is already a server running?
      (let* ((lock-file    (conc areapath "/logs/server-start.lock")))
	(let* ((start-flag (conc areapath "/logs/server-start-last")))
	  (common:simple-file-lock-and-wait lock-file expire-time: 25)
	  (debug:print-info  2 *default-log-port* "server:kind-run: touching " start-flag)
	  (system (conc "touch " start-flag)) ;; lazy but safe
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(define (server:start-and-wait areapath #!key (timeout 60))
  (let ((give-up-time (+ (current-seconds) timeout)))
    (let loop ((server-info (server:check-if-running areapath))
	       (try-num    0))
      (if (or server-info
	      (> (current-seconds) give-up-time)) ;; server-url will be #f if no server available.
	  (server:record->url server-info)

	  (let ((num-ok (length (server:choose-server areapath 'all-valid))))
	    (if (and (> try-num 0)  ;; first time through simply wait a little while then try again
		     (< num-ok 1))  ;; if there are no decent candidates for servers then try starting a new one
		(server:run areapath))
	    (thread-sleep! 5)
	    (loop (server:check-if-running areapath)
		  (+ try-num 1)))))))

(define (server:get-num-servers #!key (numservers 2))
  (let ((ns (string->number
	     (or (configf:lookup *configdat* "server" "numservers") "notanumber"))))
    (or ns numservers)))

;; no longer care if multiple servers are started by accident. older servers will drop off in time.
;;
(define (server:check-if-running areapath) ;;  #!key (numservers "2"))
  (let* ((ns            (server:get-num-servers)) ;; get the setting the for maximum number of servers allowed
	 (servers       (server:choose-server areapath 'best-five))) ;; (server:get-best (server:get-list areapath))))
    (if (or (and servers
		 (null? servers))
	    (not servers))
	    ;; (and (list? servers)
	    ;;	 (< (length servers) (+ 1 (random ns))))) ;; somewhere between 1 and numservers
        #f
        (let loop ((hed (car servers))







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(define (server:start-and-wait areapath #!key (timeout 60))
  (let ((give-up-time (+ (current-seconds) timeout)))
    (let loop ((server-info (server:check-if-running areapath))
	       (try-num    0))
      (if (or server-info
	      (> (current-seconds) give-up-time)) ;; server-url will be #f if no server available.
	  (server:record->url server-info)
	  (let* ( (servers (server:choose-server areapath 'all-valid))
                (num-ok (if servers (length (server:choose-server areapath 'all-valid)) 0)))
	    (if (and (> try-num 0)  ;; first time through simply wait a little while then try again
		     (< num-ok 1))  ;; if there are no decent candidates for servers then try starting a new one
		(server:run areapath))
	    (thread-sleep! 5)
	    (loop (server:check-if-running areapath)
		  (+ try-num 1)))))))

(define (server:get-num-servers #!key (numservers 2))
  (let ((ns (string->number
	     (or (configf:lookup *configdat* "server" "numservers") "notanumber"))))
    (or ns numservers)))

;; no longer care if multiple servers are started by accident. older servers will drop off in time.
;;
(define (server:check-if-running areapath) ;;  #!key (numservers "2"))
  (let* ((ns            (server:get-num-servers)) ;; get the setting the for maximum number of servers allowed
	 (servers       (server:choose-server areapath 'best-ten))) ;; (server:get-best (server:get-list areapath))))
    (if (or (and servers
		 (null? servers))
	    (not servers))
	    ;; (and (list? servers)
	    ;;	 (< (length servers) (+ 1 (random ns))))) ;; somewhere between 1 and numservers
        #f
        (let loop ((hed (car servers))
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(define (server:kill servr)
  (handle-exceptions
    exn
    (begin 
      (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " servr ", exn=" exn)     
    #f)
  (match-let (((mod-time hostname port start-time server-id pid)
	       servr))
    (tasks:kill-server hostname pid))))

;; called in megatest.scm, host-port is string hostname:port
;;
;; NOTE: This is NOT called directly from clients as not all transports support a client running
;;       in the same process as the server.
;;
(define (server:ping host-port-in server-id #!key (do-exit #f))
  (let ((host:port (if (not host-port-in) ;; use read-dotserver to find
		       #f ;; (server:check-if-running *toppath*)
		;; (if (number? host-port-in) ;; we were handed a server-id
		;; 	   (let ((srec (tasks:get-server-by-id (db:delay-if-busy (tasks:open-db)) host-port-in)))
		;; 	     ;; (print "srec: " srec " host-port-in: " host-port-in)
		;; 	     (if srec
		;; 		 (conc (vector-ref srec 3) ":" (vector-ref srec 4))
		;; 		 (conc "no such server-id " host-port-in)))
		       host-port-in))) ;; )
    (let* ((host-port (if host:port
			  (let ((slst (string-split   host:port ":")))
			    (if (eq? (length slst) 2)
				(list (car slst)(string->number (cadr slst)))
				#f))

			  #f)))
;;	   (toppath       (launch:setup)))
      ;; (print "host-port=" host-port)
      (if (not host-port)
	  (begin
	    (if host-port-in
		(debug:print 0 *default-log-port*  "ERROR: bad host:port"))
	    (if do-exit (exit 1))
	    #f)

	  (let* ((iface      (car host-port))
		 (port       (cadr host-port))
		 (server-dat (http-transport:client-connect iface port server-id))
		 (login-res  (rmt:login-no-auto-client-setup server-dat)))

	    (if (and (list? login-res)
		     (car login-res))
		(begin
		  ;; (print "LOGIN_OK")
		  (if do-exit (exit 0))
		  #t)
		(begin
		  ;; (print "LOGIN_FAILED")
		  (if do-exit (exit 1))






		  #f)))))))

;; run ping in separate process, safest way in some cases
;;
(define (server:ping-server ifaceport)
  (with-input-from-pipe 
   (conc (common:get-megatest-exe) " -ping " ifaceport)
   (lambda ()
     (let loop ((inl (read-line))
		(res "NOREPLY"))
       (if (eof-object? inl)
	   (case (string->symbol res)
	     ((NOREPLY)  #f)
	     ((LOGIN_OK) #t)
	     (else       #f))
	   (loop (read-line) inl))))))

;; NOT USED (well, ok, reference in rpc-transport but otherwise not used).
;;
(define (server:login toppath)
  (lambda (toppath)
    (set! *db-last-access* (current-seconds)) ;; might not be needed.
    (if (equal? *toppath* toppath)
	#t
	#f)))

;; timeout is hms string: 1h 5m 3s, default is 1 minute
;; This is currently broken. Just use the number of hours with no unit.
;; Default is 60 seconds.
;;
(define (server:expiration-timeout)
  (let ((tmo (configf:lookup *configdat* "server" "timeout")))
    (if (and (string? tmo)
	     (common:hms-string->seconds tmo)) ;; BUG: hms-string->seconds is broken, if given "10" returns 0. Also, it doesn't belong in this logic unless the string->number is changed below

        (* 3600 (string->number tmo))


	60)))

(define (server:get-best-guess-address hostname)
  (let ((res #f))
    (for-each 
     (lambda (adr)
       (if (not (eq? (u8vector-ref adr 0) 127))
	   (set! res adr)))
     ;; NOTE: This can fail when there is no mention of the host in /etc/hosts. FIXME
     (vector->list (hostinfo-addresses (hostname->hostinfo hostname))))
    (string-intersperse 
     (map number->string
	  (u8vector->list
	   (if res res (hostname->ip hostname)))) ".")))

;; (define server:sync-lock-token "SERVER_SYNC_LOCK")
;; (define (server:release-sync-lock)
;;   (db:no-sync-del! *no-sync-db* server:sync-lock-token))
;; (define (server:have-sync-lock?)
;;   (let* ((have-lock-pair (db:no-sync-get-lock *no-sync-db* server:sync-lock-token))
;;          (have-lock?     (car have-lock-pair))
;;          (lock-time      (cdr have-lock-pair))
;;          (lock-age       (- (current-seconds) lock-time)))
;;     (cond
;;      (have-lock? #t)
;;      ((>lock-age
;;        (* 3 (configf:lookup-number *configdat* "server" "minimum-intersync-delay" default: 180)))
;;       (server:release-sync-lock)
;;       (server:have-sync-lock?))
;;      (else #f))))

;; moving this here as it needs access to db and cannot be in common.
;;

(define (server:get-bruteforce-syncer dbstruct #!key (fork-to-background #f) (persist-until-sync #f))
  (debug:print "WARNING: bruteforce-syncer is called but has been disabled!")
  (lambda ()
    (debug:print "WARNING: bruteforce-syncer is called but has been disabled!"))
  #;(let* ((sqlite-exe   (or (get-environment-variable "MT_SQLITE3_EXE"))) ;; defined in cfg.sh
         (sync-log     (or (args:get-arg "-sync-log") (conc *toppath* "/logs/sync-" (current-process-id) "-" (get-host-name) ".log")))
	 (tmp-area     (common:get-db-tmp-area))
	 (tmp-db       (conc tmp-area "/megatest.db"))
	 (staging-file (conc *toppath* "/.megatest.db"))
	 (mtdbfile     (conc *toppath* "/megatest.db"))
	 (lockfile     (common:get-sync-lock-filepath))
         (sync-cmd-core     (conc sqlite-exe" " tmp-db " .dump | "sqlite-exe" " staging-file "&>"sync-log))
         (sync-cmd     (if fork-to-background 
                           (conc "/usr/bin/env NBFAKE_LOG="*toppath*"/logs/last-server-sync-"(current-process-id)".log nbfake \""sync-cmd-core" && /bin/mv -f " staging-file " " mtdbfile" \"")
                           sync-cmd-core))
         (default-min-intersync-delay 2)
	 (min-intersync-delay (configf:lookup-number *configdat* "server" "minimum-intersync-delay" default: default-min-intersync-delay))
         (default-duty-cycle 0.1)
         (duty-cycle   (configf:lookup-number *configdat* "server" "sync-duty-cycle" default: default-duty-cycle))
         (last-sync-seconds 10) ;; we will adjust this to a measurement and delay last-sync-seconds * (1 - duty-cycle)
         (calculate-off-time (lambda (work-duration duty-cycle)
                                  (* (/ (- 1 duty-cycle) duty-cycle) last-sync-seconds)))
         (off-time min-intersync-delay) ;; adjusted in closure below.
         (do-a-sync
          (lambda ()
            (BB> "Start do-a-sync with fork-to-background="fork-to-background" persist-until-sync="persist-until-sync)
            (let* ((finalres
                    (let retry-loop ((num-tries 0))
                         (if (common:simple-file-lock lockfile)
	                     (begin
                               (cond
                                ((not (or fork-to-background persist-until-sync))
                                 (debug:print 0 *default-log-port* "INFO: syncer thread sleeping for max of (server.minimum-intersync-delay="min-intersync-delay
                                              " , off-time="off-time" seconds ]")
                                 (thread-sleep! (max off-time min-intersync-delay)))
                                (else
                                 (debug:print 0 *default-log-port* "INFO: syncer thread NOT sleeping ; maybe time-to-exit...")))

                               (if (not (configf:lookup *configdat* "server" "disable-db-snapshot"))
                                   (common:snapshot-file mtdbfile subdir: ".db-snapshot"))
		               (delete-file* staging-file)
		               (let* ((start-time (current-milliseconds))
                                      (res (system sync-cmd))
                                      (dbbackupfile (conc mtdbfile ".backup"))
                                      (res2 
                                       (cond
                                        ((eq? 0 res )
                                         (handle-exceptions
                                            exn
                                            #f
                                         (if (file-exists? dbbackupfile)
		                           (delete-file* dbbackupfile)
                                         )
                                         (if (eq? 0 (file-size sync-log))
                                             (delete-file* sync-log))
		                         (system (conc "/bin/mv " staging-file " " mtdbfile))
                                         
                                         (set! last-sync-seconds (/ (- (current-milliseconds) start-time) 1000))
                                         (set! off-time (calculate-off-time
                                                         last-sync-seconds
                                                         (cond
                                                          ((and (number? duty-cycle) (> duty-cycle 0) (< duty-cycle 1))
                                                           duty-cycle)
                                                          (else
                                                           (debug:print 0 *default-log-port* "WARNING: ["(common:human-time)"] server.sync-duty-cycle is invalid.  Should be a number between 0 and 1, but "duty-cycle" was specified.  Using default value: "default-duty-cycle)
                                                           default-duty-cycle))))
                                         
                                         (debug:print 1 *default-log-port* "INFO: ["(common:human-time)"] pid="(current-process-id)" SYNC took "last-sync-seconds" sec")
                                         (debug:print 1 *default-log-port* "INFO: ["(common:human-time)"] pid="(current-process-id)" SYNC took "last-sync-seconds" sec ; with duty-cycle of "duty-cycle" off time is now "off-time)
                                         'sync-completed))
                                        (else
                                         (system (conc "/bin/cp "sync-log" "sync-log".fail"))
                                         (debug:print 0 *default-log-port* "ERROR: ["(common:human-time)"] Sync failed. See log at "sync-log".fail")
                                         (if (file-exists? (conc mtdbfile ".backup"))
                                             (system (conc "/bin/cp "mtdbfile ".backup " mtdbfile)))
                                         #f))))
                                 (common:simple-file-release-lock lockfile)
                                 (BB> "released lockfile: " lockfile)
                                 (when (common:file-exists? lockfile)
                                   (BB> "DID NOT ACTUALLY RELEASE LOCKFILE"))
                                 res2) ;; end let
                               );; end begin
                             ;; else
                             (cond
                              (persist-until-sync
                               (thread-sleep! 1)
                               (debug:print 1 *default-log-port* "INFO: ["(common:human-time)"] pid="(current-process-id)" other SYNC in progress; we're in a fork-to-background so we need to succeed.  Let's wait a jiffy and and try again. num-tries="num-tries" (waiting for lockfile="lockfile" to disappear)")
                               (retry-loop (add1 num-tries)))
                              (else
                               (thread-sleep! (max off-time (+ last-sync-seconds min-intersync-delay)))
                               (debug:print 1 *default-log-port* "INFO: ["(common:human-time)"] pid="(current-process-id)" other SYNC in progress; not syncing.")
                               'parallel-sync-in-progress))
                             ) ;; end if got lockfile
                         )
                    ))
              (BB> "End do-a-sync with fork-to-background="fork-to-background" persist-until-sync="persist-until-sync" and result="finalres)
              finalres)
            ) ;; end lambda
          ))
    do-a-sync))








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(define (server:kill servr)
  (handle-exceptions
    exn
    (begin 
      (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " servr ", exn=" exn)     
    #f)
  (match-let (((hostname port start-time server-id pid)
	       servr))
    (tasks:kill-server hostname pid))))

;; ;; called in megatest.scm, host-port is string hostname:port
;; ;;
;; ;; NOTE: This is NOT called directly from clients as not all transports support a client running
;; ;;       in the same process as the server.
;; ;;
;; (define (server:ping host:port server-id #!key (do-exit #f))








;;   (let* ((host-port (cond
;; 		     ((string? host:port)
;; 		      (let ((slst (string-split   host:port ":")))
;; 			(if (eq? (length slst) 2)
;; 			    (list (car slst)(string->number (cadr slst)))
;; 			    #f)))
;; 		     (else
;; 		      #f))))
;;     (cond

;;      ((and (list? host-port)

;; 	   (eq? (length host-port) 2))



;;       (let* ((myrunremote (make-and-init-remote *toppath*))
;; 	     (iface       (car host-port))
;; 	     (port        (cadr host-port))
;; 	     (server-dat  (client:connect iface port server-id myrunremote))
;; 	     (login-res   (rmt:login-no-auto-client-setup myrunremote)))
;; 	(http-transport:close-connections myrunremote)
;; 	(if (and (list? login-res)
;; 		 (car login-res))
;; 	    (begin
;; 	      ;; (print "LOGIN_OK")
;; 	      (if do-exit (exit 0))
;; 	      #t)
;; 	    (begin
;; 	      ;; (print "LOGIN_FAILED")
;; 	      (if do-exit (exit 1))
;; 	      #f))))
;;      (else 
;;       (if host:port
;; 	  (debug:print 0 *default-log-port*  "ERROR: bad host:port "host:port))
;;       (if do-exit
;; 	  (exit 1)
;; 	  #f)))))
;; 
;; ;; run ping in separate process, safest way in some cases
;; ;;
;; (define (server:ping-server ifaceport)
;;   (with-input-from-pipe 
;;    (conc (common:get-megatest-exe) " -ping " ifaceport)
;;    (lambda ()
;;      (let loop ((inl (read-line))
;; 		(res "NOREPLY"))
;;        (if (eof-object? inl)
;; 	   (case (string->symbol res)
;; 	     ((NOREPLY)  #f)
;; 	     ((LOGIN_OK) #t)
;; 	     (else       #f))
;; 	   (loop (read-line) inl))))))
;; 
;; ;; NOT USED (well, ok, reference in rpc-transport but otherwise not used).
;; ;;
;; (define (server:login toppath)
;;   (lambda (toppath)
;;     (set! *db-last-access* (current-seconds)) ;; might not be needed.
;;     (if (equal? *toppath* toppath)
;; 	#t
;; 	#f)))

;; timeout is hms string: 1h 5m 3s, default is 1 minute
;; This is currently broken. Just use the number of hours with no unit.
;; Default is 60 seconds.
;;
(define (server:expiration-timeout)
  (let* ((tmo (configf:lookup *configdat* "server" "timeout")))
    (if (string? tmo)
	(let* ((num (string->number tmo)))
	  (if num
	      (* 3600 num)
	      (common:hms-string->seconds tmo)))
	600 ;; this is the default
	)))

(define (server:get-best-guess-address hostname)
  (let ((res #f))
    (for-each 
     (lambda (adr)
       (if (not (eq? (u8vector-ref adr 0) 127))
	   (set! res adr)))
     ;; NOTE: This can fail when there is no mention of the host in /etc/hosts. FIXME
     (vector->list (hostinfo-addresses (hostname->hostinfo hostname))))
    (string-intersperse 
     (map number->string
	  (u8vector->list
	   (if res res (hostname->ip hostname)))) ".")))

















;; moving this here as it needs access to db and cannot be in common.
;;

(define (server:get-bruteforce-syncer dbstruct #!key (fork-to-background #f) (persist-until-sync #f))
  (debug:print "WARNING: bruteforce-syncer is called but has been disabled!")
  (lambda ()
    (debug:print "WARNING: bruteforce-syncer is called but has been disabled!")))

































































































Modified subrun.scm from [8e4ec606e5] to [aaf114f8dc].

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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')








(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format
     call-with-environment-variables)
(declare (unit subrun))
;;(declare (uses runs))
(declare (uses db))
(declare (uses common))
;;(declare (uses items))
;;(declare (uses runconfig))
;;(declare (uses tests))
;;(declare (uses server))
(declare (uses mt))
;;(declare (uses archive))
;; (declare (uses filedb))

;(include "common_records.scm")
;;(include "key_records.scm")
(include "db_records.scm") ;; provides db:test-get-id
;;(include "run_records.scm")
;;(include "test_records.scm")








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;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(declare (unit subrun))
(declare (uses debugprint))
(declare (uses db))
(declare (uses common))
(declare (uses commonmod))
(declare (uses mt))

(use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
     posix-extras directory-utils pathname-expand typed-records format
     call-with-environment-variables)



(import commonmod




	debugprint)



;(include "common_records.scm")
;;(include "key_records.scm")
(include "db_records.scm") ;; provides db:test-get-id
;;(include "run_records.scm")
;;(include "test_records.scm")

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(define (subrun:launch-cmd test-run-dir run-mode #!optional (sub-cmd "-run")) ;; BUG: "-run" should be changed to "-rerun-clean" but current doesn't work
  (if (subrun:subrun-removed? test-run-dir)
      (subrun:unset-subrun-removed test-run-dir))      

  (let* ((log-prefix "run")
         (switches (subrun:selector+log-switches test-run-dir log-prefix))
         (run-wait (equal? run-mode "yes"))
         (cmd      (conc "megatest " sub-cmd " " switches" "
                         (if run-wait "-run-wait " ""))))
    cmd))


(define (subrun:sanitize-path inpath)
  (let* ((insane-pattern (irregex "[^[a-zA-Z0-9_\\-]")))
    (regex#string-substitute insane-pattern "_" inpath #t)))







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(define (subrun:launch-cmd test-run-dir run-mode #!optional (sub-cmd "-run")) ;; BUG: "-run" should be changed to "-rerun-clean" but current doesn't work
  (if (subrun:subrun-removed? test-run-dir)
      (subrun:unset-subrun-removed test-run-dir))      

  (let* ((log-prefix "run")
         (switches (subrun:selector+log-switches test-run-dir log-prefix))
         (run-wait (equal? run-mode "yes"))
         (cmd      (conc (common:get-mtexe)" "sub-cmd" "switches" "
                         (if run-wait "-run-wait " ""))))
    cmd))


(define (subrun:sanitize-path inpath)
  (let* ((insane-pattern (irregex "[^[a-zA-Z0-9_\\-]")))
    (regex#string-substitute insane-pattern "_" inpath #t)))
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            (map
             (lambda (x)
               (list (car x) (cdr x)))
             switch-alist))
           " ")))
    res))



(define (subrun:exec-sub-megatest test-run-dir action-switches-str log-prefix)


  (let* ((selector-switches  (subrun:selector+log-switches test-run-dir log-prefix))
         (cmd (conc "megatest " selector-switches " " action-switches-str ))
         (pid #f)
         (proc (lambda ()
                 (debug:print-info 0 *default-log-port* "Running sub megatest command: "cmd)
                 ;;(set! pid (process-run "/usr/bin/xterm" (list ))))))
                 (set! pid (process-run "/bin/bash" (list "-c" cmd))))))
    (call-with-environment-variables 
     (list (cons "PATH" (conc (get-environment-variable "PATH") ":.")))
     (lambda  ()
       (common:without-vars proc "^MT_.*")))
    (let processloop ((i 0))
      (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
        (if (eq? pid-val 0)
            (begin
              (thread-sleep! 2)







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            (map
             (lambda (x)
               (list (car x) (cdr x)))
             switch-alist))
           " ")))
    res))

;; NOTE: Here we run sub megatest but this is not intended for one version
;;       of megatest to test another version. Thus we propagate the 
(define (subrun:exec-sub-megatest test-run-dir action-switches-str log-prefix)
  (let* ((mtpathdir          (common:get-megatest-exe-dir))
	 (mtexe              (common:get-mtexe))
	 (selector-switches  (subrun:selector+log-switches test-run-dir log-prefix))
         (cmd (conc mtexe" "selector-switches" "action-switches-str ))
         (pid #f)
         (proc (lambda ()
                 (debug:print-info 0 *default-log-port* "Running sub megatest command: "cmd)
                 ;;(set! pid (process-run "/usr/bin/xterm" (list ))))))
                 (set! pid (process-run "/bin/bash" (list "-c" cmd))))))
    (call-with-environment-variables 
     (list (cons "PATH"  (common:get-megatest-exe-path)))
     (lambda  ()
       (common:without-vars proc "^MT_.*")))
    (let processloop ((i 0))
      (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
        (if (eq? pid-val 0)
            (begin
              (thread-sleep! 2)

Deleted synchash.scm version [6d4566e942].

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;;======================================================================
;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

;;======================================================================
;; A hash of hashes that can be kept in sync by sending minial deltas
;;======================================================================

(use format)
(use srfi-1 srfi-69 sqlite3)
(import (prefix sqlite3 sqlite3:))

(declare (unit synchash))
(declare (uses db))
(declare (uses server))
(include "db_records.scm")

(define (synchash:make)
   (make-hash-table))

;; given an alist of objects '((id obj) ...) 
;;   1. remove unchanged objects from the list
;;   2. create a list of removed objects by id
;;   3. remove removed objects from synchash
;;   4. replace or add new or changed objects to synchash
;;
(define (synchash:get-delta indat synchash)
  (let ((deleted '())
	(changed '())
	(found   '())
	(orig-keys (hash-table-keys synchash)))
    (for-each
     (lambda (item)
       (let* ((id  (car  item))
	      (dat (cadr item))
	      (ref (hash-table-ref/default synchash id #f)))
	 (if (not (equal? dat ref)) ;; item changed or new
	     (begin
	       (set! changed (cons item changed))
	       (hash-table-set! synchash id dat)))
	 (set! found (cons id found))))
     indat)
    (for-each 
     (lambda (id)
       (if (not (member id found))
	   (begin
	     (set! deleted (cons id deleted))
	     (hash-table-delete! synchash id))))
     orig-keys)
    (list changed deleted)
    ;; (list indat '()) ;; just for debugging
    ))
    
;; keynum => the field to use as the unique key (usually 0 but can be other field)
;;
(define (synchash:client-get proc synckey keynum synchash run-id . params)
  (let* ((data   (rmt:synchash-get run-id proc synckey keynum params))
	 (newdat (car data))
	 (removs (cadr data))
	 (myhash (hash-table-ref/default synchash synckey #f)))
    (if (not myhash)
	(begin
	  (set! myhash (make-hash-table))
	  (hash-table-set! synchash synckey myhash)))
    (for-each 
     (lambda (item)
       (let ((id  (car item))
	     (dat (cadr item)))
	 ;; (debug:print-info 2 *default-log-port* "Processing item: " item)
	 (hash-table-set! myhash id dat)))
     newdat)
    (for-each
     (lambda (id)
       (hash-table-delete! myhash id))
     removs)
    ;; WHICH ONE!?
    ;; data)) ;; return the changed and deleted list
    (list newdat removs))) ;; synchash))

(define *synchashes* (make-hash-table))

(define (synchash:server-get dbstruct run-id proc synckey keynum params)
  ;; (debug:print-info 2 *default-log-port* "synckey: " synckey ", keynum: " keynum ", params: " params)
  (let* ((dbdat     (db:get-db dbstruct run-id))
	 (db        (db:dbdat-get-db dbdat))
	 (synchash  (hash-table-ref/default *synchashes* synckey #f))
	 (newdat    (apply (case proc
			     ((db:get-runs)                   db:get-runs)
			     ((db:get-tests-for-run-mindata)  db:get-tests-for-run-mindata)
			     ((db:get-test-info-by-ids)       db:get-test-info-by-ids)
			     (else
			      (print "ERROR: sync for hash " proc " not setup! Edits needed in synchash.scm")
			      print))
			   db params))
	 (postdat  #f)
	 (make-indexed (lambda (x)
			 (list (vector-ref x keynum) x))))
    ;; Now process newdat based on the query type
    (set! postdat (case proc
		    ((db:get-runs)
		     ;; (debug:print-info 2 *default-log-port* "Get runs call")
		     (let ((header (vector-ref newdat 0))
			   (data   (vector-ref newdat 1)))
		       ;; (debug:print-info 2 *default-log-port* "header: " header ", data: " data)
		       (cons (list "header" header)         ;; add the header keyed by the word "header"
			     (map make-indexed data))))        ;; add each element keyed by the keynum'th val
		    (else 
		     ;; (debug:print-info 2 *default-log-port* "Non-get runs call")
		     (map make-indexed newdat))))
    ;; (debug:print-info 2 *default-log-port* "postdat: " postdat)
    ;; (if (not indb)(sqlite3:finalize! db))
    (if (not synchash)
	(begin
	  (set! synchash (make-hash-table))
	  (hash-table-set! *synchashes* synckey synchash)))
    (synchash:get-delta postdat synchash)))

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Modified tasks.scm from [0f38bdbcce] to [4adbc308eb].

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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')













(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format)
(import (prefix sqlite3 sqlite3:))

(declare (unit tasks))
(declare (uses dbfile))
(declare (uses db))
(declare (uses rmt))
(declare (uses common))
(declare (uses pgdb))

(import dbfile)
;; (import pgdb) ;; pgdb is a module

(include "task_records.scm")
(include "db_records.scm")

;;======================================================================
;; Tasks db
;;======================================================================

;; wait up to aprox n seconds for a journal to go away
;;
(define (tasks:wait-on-journal path n #!key (remove #f)(waiting-msg #f))
  (if (not (string? path))
      (debug:print-error 0 *default-log-port* "Called tasks:wait-on-journal with path=" path " (not a string)")
      (let ((fullpath (conc path "-journal")))
	(handle-exceptions
	 exn
	 (begin
	   (print-call-chain (current-error-port))
	   (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
	   (debug:print 5 *default-log-port* " exn=" (condition->list exn))
	   (debug:print 0 *default-log-port* "tasks:wait-on-journal failed. Continuing on, you can ignore this call-chain")
	   #t) ;; if stuff goes wrong just allow it to move on
	 (let loop ((journal-exists (common:file-exists? fullpath))
		    (count          n)) ;; wait ten times ...
	   (if journal-exists
	       (begin
		 (if (and waiting-msg
			  (eq? (modulo n 30) 0))
		     (debug:print 0 *default-log-port* waiting-msg))
		 (if (> count 0)
		     (begin
		       (thread-sleep! 1)
		       (loop (common:file-exists? fullpath)
			     (- count 1)))
		     (begin
		       (debug:print 0 *default-log-port* "ERROR: removing the journal file " fullpath ", this is not good. Look for disk full, write access and other issues.")
		       (if remove (system (conc "rm -rf " fullpath)))
		       #f)))
	       #t))))))

(define (tasks:get-task-db-path)
  (let ((dbdir  (or (configf:lookup *configdat* "setup" "monitordir")
		    (configf:lookup *configdat* "setup" "dbdir")
		    (conc (common:get-linktree) "/.db"))))
    (handle-exceptions
     exn
     (begin







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;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(declare (unit tasks))
(declare (uses debugprint))
(declare (uses dbfile))
(declare (uses db))
(declare (uses dbmod))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses common))
(declare (uses pgdb))
(declare (uses commonmod))
(declare (uses mtargs))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format)
(import (prefix sqlite3 sqlite3:))

(import commonmod
	debugprint
	dbmod
	rmtmod

	(prefix mtargs args:))

(import dbfile)
;; (import pgdb) ;; pgdb is a module

(include "task_records.scm")
(include "db_records.scm")

;;======================================================================
;; Tasks db
;;======================================================================

































(define (tasks:get-task-db-path)
  (let ((dbdir  (or (configf:lookup *configdat* "setup" "monitordir")
		    (configf:lookup *configdat* "setup" "dbdir")
		    (conc (common:get-linktree) "/.db"))))
    (handle-exceptions
     exn
     (begin
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           (smallest-time (hash-table-ref/default smallest-last-update-time "smallest-time" #f)))
     (if (and  (> last-update pgdb-last-update) (or (not smallest-time) (< last-update smallest-time)))
        (hash-table-set! smallest-last-update-time "smallest-time" last-update)))
		(pgdb:refresh-run-info
		 dbh
		 new-run-id
		 state status owner event-time comment fail-count pass-count area-id last-update publish-time)
     (debug:print-info 4 *default-log-port* "Working on run-id " run-id " pgdb-id "  new-run-id )
     (if (not (equal? run-tag ""))
      (task:add-run-tag dbh new-run-id run-tag))
		new-run-id) 
      
	      (if (or (not state) (equal? state "deleted"))
          (begin 
          (debug:print-info 1 *default-log-port*  "Warning: Run with id " run-id " was created after previous sync and deleted before the sync") #f)







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           (smallest-time (hash-table-ref/default smallest-last-update-time "smallest-time" #f)))
     (if (and  (> last-update pgdb-last-update) (or (not smallest-time) (< last-update smallest-time)))
        (hash-table-set! smallest-last-update-time "smallest-time" last-update)))
		(pgdb:refresh-run-info
		 dbh
		 new-run-id
		 state status owner event-time comment fail-count pass-count area-id last-update publish-time)
     (debug:print-info 4 *default-log-port* (conc "Working on run-id " run-id " pgdb-id "  new-run-id))
     (if (not (equal? run-tag ""))
      (task:add-run-tag dbh new-run-id run-tag))
		new-run-id) 
      
	      (if (or (not state) (equal? state "deleted"))
          (begin 
          (debug:print-info 1 *default-log-port*  "Warning: Run with id " run-id " was created after previous sync and deleted before the sync") #f)
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                 (debug:print-info 1 *default-log-port*  "Error: Test not in pgdb"))))

      (debug:print-info 1 *default-log-port*  "Error: Could not get test data info for data id " test-data-id ))))	;; this is a wierd senario need to debug      	
   test-data-ids)))



(define (tasks:sync-tests-data dbh cached-info test-ids area-info smallest-last-update-time)
  (let ((test-ht (hash-table-ref cached-info 'tests))
        (run-id-in #f))
    (for-each
     (lambda (test-id)
        (set! run-id-in  (cdr test-id))
        (set! test-id (car test-id))

        (debug:print 0 *default-log-port*  "test-id: " test-id " run-id: " run-id-in) 
       (let* ((test-info    (rmt:get-test-info-by-id run-id-in test-id))
	      (run-id       (db:test-get-run_id    test-info)) ;; look these up in db_records.scm
	      (test-id      (db:test-get-id        test-info))
	      (test-name    (db:test-get-testname  test-info))
	      (item-path    (db:test-get-item-path test-info))







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                 (debug:print-info 1 *default-log-port*  "Error: Test not in pgdb"))))

      (debug:print-info 1 *default-log-port*  "Error: Could not get test data info for data id " test-data-id ))))	;; this is a wierd senario need to debug      	
   test-data-ids)))



(define (tasks:sync-tests-data dbh cached-info test-ids area-info smallest-last-update-time main-run-id)
  (let ((test-ht (hash-table-ref cached-info 'tests))
        (run-id-in main-run-id))
    (for-each
     (lambda (test-id)
       ; (set! run-id-in  (cdr test-id))
       ; (set! test-id (car test-id))

        (debug:print 0 *default-log-port*  "test-id: " test-id " run-id: " run-id-in) 
       (let* ((test-info    (rmt:get-test-info-by-id run-id-in test-id))
	      (run-id       (db:test-get-run_id    test-info)) ;; look these up in db_records.scm
	      (test-id      (db:test-get-id        test-info))
	      (test-name    (db:test-get-testname  test-info))
	      (item-path    (db:test-get-item-path test-info))
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(define (tasks:sync-run-data dbh cached-info run-ids area-info smallest-last-update-time) 
  (for-each
     (lambda (run-id)
      (debug:print-info 4 *default-log-port*   "Check if run with " run-id " needs to be synced" )
       (tasks:run-id->mtpg-run-id dbh cached-info run-id area-info smallest-last-update-time))
run-ids))


;; get runs changed since last sync
;; (define (tasks:sync-test-data dbh cached-info area-info)
;;   (let* ((

(define (tasks:sync-to-postgres configdat dest)
  ;; (print "In sync")
  (let* ((dbh         (pgdb:open configdat dbname: dest))







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(define (tasks:sync-run-data dbh cached-info run-ids area-info smallest-last-update-time) 
  (for-each
     (lambda (run-id)
      (debug:print-info 4 *default-log-port*   "Check if run with " run-id " needs to be synced" )
       (tasks:run-id->mtpg-run-id dbh cached-info run-id area-info smallest-last-update-time))
run-ids))


;; get runs changed since last sync
;; (define (tasks:sync-test-data dbh cached-info area-info)
;;   (let* ((

(define (tasks:sync-to-postgres configdat dest)
  ;; (print "In sync")
  (let* ((dbh         (pgdb:open configdat dbname: dest))
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    ;(print "123")
    ;(exit 1)
    (for-each (lambda (dtype)
		(hash-table-set! cached-info dtype (make-hash-table)))
	      '(runs targets tests steps data))
    (hash-table-set! cached-info 'start start) ;; when done we'll set sync times to this
    (if area-info



	(let* ((last-sync-time (if (args:get-arg "-since") (string->number (args:get-arg "-since")) (vector-ref area-info 3)))
	       (smallest-last-update-time  (make-hash-table))
               (changed      (if (and target run-name)
                            (rmt:get-run-record-ids target run-name (rmt:get-keys) test-patt)
                            (rmt:get-changed-record-ids last-sync-time)))
	       (run-ids        (alist-ref 'runs       changed))
	       (test-ids       (alist-ref 'tests      changed))
	       (test-step-ids  (alist-ref 'test_steps changed))
	       (test-data-ids  (alist-ref 'test_data  changed))
	       (run-stat-ids   (alist-ref 'run_stats  changed))

               (area-tag    (if (args:get-arg "-area-tag") 
                                 (args:get-arg "-area-tag")
                                 (if (args:get-arg "-area") 
                                   (args:get-arg "-area") 
                                   ""))))
           (if (and (equal? area-tag "") (not (pgdb:is-area-taged dbh (vector-ref area-info 0))))
            (set! area-tag *default-area-tag*)) 
           (if (not (equal? area-tag "")) 
             (task:add-area-tag dbh area-info area-tag)) 
          (if (not (null? run-ids))
            (begin
               (debug:print-info 0 *default-log-port*  "syncing runs: " run-ids)   
	       (tasks:sync-run-data dbh cached-info run-ids area-info smallest-last-update-time) 
            )
          )




          (if (not (null? test-ids))
            (begin
              (debug:print-info 0 *default-log-port*  "syncing tests: " test-ids)
	      (tasks:sync-tests-data dbh cached-info test-ids area-info smallest-last-update-time)
              (debug:print-info 0 *default-log-port*  "syncing test steps")
              (tasks:sync-test-steps dbh cached-info test-step-ids smallest-last-update-time)
	      (debug:print-info 0 *default-log-port*  "syncing test data")
              (tasks:sync-test-gen-data dbh cached-info test-data-ids smallest-last-update-time)
            )
          )
     (let*  ((smallest-time (hash-table-ref/default smallest-last-update-time "smallest-time" (current-seconds))))
     (debug:print-info 0 "smallest-time :" smallest-time  " last-sync-time " last-sync-time)
    (if (not (and target run-name)) 
	  (if (or (and smallest-time (> smallest-time last-sync-time)) (and smallest-time (eq? last-sync-time 0)))
				(pgdb:write-sync-time dbh area-info smallest-time))))) ;;this needs to be changed
	(if (tasks:set-area dbh configdat)
	    (tasks:sync-to-postgres configdat dest)
	    (begin
	      (debug:print 0 *default-log-port* "ERROR: unable to create an area record")
	      #f)))))








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    ;(print "123")
    ;(exit 1)
    (for-each (lambda (dtype)
		(hash-table-set! cached-info dtype (make-hash-table)))
	      '(runs targets tests steps data))
    (hash-table-set! cached-info 'start start) ;; when done we'll set sync times to this
    (if area-info
	(let* ((last-sync-time (if (and target run-name)
                                 0
                                 (if (args:get-arg "-since") 
                                   (string->number (args:get-arg "-since")) (vector-ref area-info 3))))
	       (smallest-last-update-time  (make-hash-table))
               (run-ids       (if (and target run-name)
                                   (rmt:get-run-record-ids target run-name (rmt:get-keys)) 
                                   (rmt:get-changed-record-run-ids last-sync-time)))
               (all-run-ids   (if (and target run-name) '() (rmt:get-all-runids)))
               (changed-run-dbs (if (and target run-name) '() (db:get-changed-run-ids last-sync-time)))



               (changed-run-ids (if (and target run-name) run-ids (filter (lambda (run) (member (modulo run (num-run-dbs)) changed-run-dbs)) all-run-ids)))
               (area-tag    (if (args:get-arg "-area-tag") 
                                 (args:get-arg "-area-tag")
                                 (if (args:get-arg "-area") 
                                   (args:get-arg "-area") 
                                   ""))))
           (if (and (equal? area-tag "") (not (pgdb:is-area-taged dbh (vector-ref area-info 0))))
            (set! area-tag *default-area-tag*)) 
           (if (not (equal? area-tag "")) 
             (task:add-area-tag dbh area-info area-tag))
           (if (not (null? run-ids))
            (begin
               (debug:print-info 0 *default-log-port*  "syncing runs: " run-ids)   
	       (tasks:sync-run-data dbh cached-info run-ids area-info smallest-last-update-time)))


          (for-each
            (lambda (run-id)
              (let ((test-ids (rmt:get-changed-record-test-ids run-id  last-sync-time)))
              (print test-ids)
              (if (not (null? test-ids))
              (begin
                (debug:print-info 0 *default-log-port*  "syncing tests: " test-ids)
	        (tasks:sync-tests-data dbh cached-info test-ids area-info smallest-last-update-time run-id)))))


            changed-run-ids)



     (let*  ((smallest-time (hash-table-ref/default smallest-last-update-time "smallest-time" (current-seconds))))
     (debug:print-info 0 "smallest-time :" smallest-time  " last-sync-time " last-sync-time)
    (if (not (and target run-name)) 
	  (if (or (and smallest-time (> smallest-time last-sync-time)) (and smallest-time (eq? last-sync-time 0)))
				(pgdb:write-sync-time dbh area-info smallest-time))))) ;;this needs to be changed
	(if (tasks:set-area dbh configdat)
	    (tasks:sync-to-postgres configdat dest)
	    (begin
	      (debug:print 0 *default-log-port* "ERROR: unable to create an area record")
	      #f)))))

Modified tcmt.scm from [6658a745e5] to [2cd967b1fa].

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;;
;; Wrapper to enable running Megatest flows under teamcity
;;
;;  1. Run the megatest process and pass it all the needed parameters
;;  2. Every five seconds check for state/status changes and print the info
;;








(use srfi-1 posix srfi-69 srfi-18 regex defstruct)

(use trace)
;; (trace-call-sites #t)

(declare (uses margs))
(declare (uses rmt))
(declare (uses common))
;; (declare (uses megatest-version))

(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "db_records.scm")

(define origargs (cdr (argv)))
(define remargs (args:get-args







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;;
;; Wrapper to enable running Megatest flows under teamcity
;;
;;  1. Run the megatest process and pass it all the needed parameters
;;  2. Every five seconds check for state/status changes and print the info
;;

(declare (uses mtargs))
(declare (uses rmt))
(declare (uses rmtmod))
(declare (uses common))
;; (declare (uses megatest-version))
(declare (uses commonmod))

(use srfi-1 posix srfi-69 srfi-18 regex defstruct)

(use trace)
;; (trace-call-sites #t)

(import commonmod
	rmtmod
	(prefix mtargs args:))


(include "megatest-version.scm")
(include "megatest-fossil-hash.scm")
(include "db_records.scm")

(define origargs (cdr (argv)))
(define remargs (args:get-args

Added tcp-transportmod.scm version [7db23f7cad].

















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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;;======================================================================
;; Copyright 2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit tcp-transportmod))
(declare (uses debugprint))
(declare (uses commonmod))
(declare (uses dbfile))
(declare (uses dbmod))
(declare (uses portlogger))

(use address-info tcp)

(module tcp-transportmod
	*
	
  (import scheme
	  (prefix sqlite3 sqlite3:)
	  chicken
	  data-structures

	  address-info
	  directory-utils
	  extras
	  files
	  hostinfo
	  matchable
	  md5
	  message-digest
	  ports
	  posix
	  regex
	  regex-case
	  s11n
	  srfi-1
	  srfi-18
	  srfi-4
	  srfi-69
	  stack
	  typed-records
	  tcp-server
	  tcp
	  
	  debugprint
	  commonmod
	  dbfile
	  dbmod
	  portlogger
	)

;;======================================================================
;; client
;;======================================================================

;; (define keep-age-param (make-parameter 10)) ;; qif file age, if over move to attic

;; Used ONLY for client
;;
(defstruct tt-conn
  host
  port
  host-port
  dbfname
  server-id
  server-start
  servinf-file
  pid
)

;; Used for BOTH clients and servers
(defstruct tt
  ;; client related
  (conns (make-hash-table)) ;; dbfname -> conn

  ;; server related
  (state        'starting)
  (areapath     #f)
  (host         #f)
  (port         #f)
  (conn         #f)
  (cleanup-proc #f)
  (handler      #f) ;; receives data and responds
  (socket       #f)
  (thread       #f)
  (host-port    #f)
  (cmd-thread   #f)
  (ro-mode      #f)
  (ro-mode-checked #f)
  (last-access  (current-seconds))
  (servinf-file #f)
  (last-serv-start 0)
  )

;; parameters
;;
(define tt-server-timeout-param (make-parameter 600))

;; make ttdat visible
(define *server-info* #f)

(define (tt:make-remote areapath)
  (make-tt areapath: areapath))

;; 1 ... or #f
;; and check that dbfname matches. FIXME: the propagation of dbfname and run-id
;; might not make the best sense
;;
(define (tt:valid-run-id run-id dbfname)
  (and (or (number? run-id)
	   (not run-id))
       (equal? (dbfile:run-id->dbfname run-id) dbfname)))

(tcp-buffer-size 2048)
;; (max-connections 4096) 

;; do all the busy work of finding and setting up conn for
;; connecting to a server
;; 
(define (tt:client-connect-to-server ttdat dbfname run-id testsuite)
  (assert (tt:valid-run-id run-id dbfname) "FATAL: invalid run-id "run-id)
  (let* ((conn (hash-table-ref/default (tt-conns ttdat) dbfname #f))
	 (server-start-proc (lambda ()
			      (tt:server-process-run
			       (tt-areapath ttdat)
			       testsuite ;; (dbfile:testsuite-name)
			       (common:find-local-megatest)
			       run-id))))
    (if conn
	(begin 
          ; (debug:print-info 0 *default-log-port* "already connected to the server")
           conn) ;; we are already connected to the server
	(let* ((sdat (tt:get-current-server-info ttdat dbfname)))
	  (match sdat
	    ((host port start-time server-id pid dbfname2 servinffile)
	     (assert (equal? dbfname dbfname2) "FATAL: read server info from wrong file.")
             ;(debug:print-info 0 *default-log-port* "in match servinffile:" servinffile)
	     (let* ((host-port (conc host":"port))
		    (conn (make-tt-conn
			   host: host
			   port: port
			   host-port: host-port
			   dbfname: dbfname
			   servinf-file: servinffile
			   server-id: server-id
			   server-start: start-time
			   pid: pid)))
	       ;; verify we can talk to this server
	       (let* ((result   (tt:timed-ping host port server-id))
		      (ping-res (car result))
		      (ping     (cdr result)))
                 (debug:print-info 0 *default-log-port* "ping time: " ping)
		 (case ping-res
		   ((running)
		    (hash-table-set! (tt-conns ttdat) dbfname conn) ;;; is this ok to save before validating that the connection is good?
		    conn)
		   ((starting)
		    (thread-sleep! 0.5)
		    (tt:client-connect-to-server ttdat dbfname run-id testsuite))
		   (else
		    (let* ((curr-secs (current-seconds)))
		      ;; rm the (last server) would go here
		      (if (> (- curr-secs (tt-last-serv-start ttdat)) 10)
			  (begin
			    (tt-last-serv-start-set! ttdat curr-secs)
			    (server-start-proc))) ;; start server if 30 sec since last attempt
		      (thread-sleep! 1)
		      (tt:client-connect-to-server ttdat dbfname run-id testsuite)))))))
	    (else ;; no good server found, if haven't started server in > 5 secs, start another
	     (if (> (- (current-seconds) (tt-last-serv-start ttdat)) 5) ;; BUG - grow this number really do not want to swamp the machine with servers
		 (begin
		   (debug:print-info 0 *default-log-port* "No server found. Starting one for run-id "run-id" in dbfile "dbfname)
		   (server-start-proc)
		   (tt-last-serv-start-set! ttdat (current-seconds))))
	     (thread-sleep! 1)
	     (tt:client-connect-to-server ttdat dbfname run-id testsuite)))))))

(define (tt:timed-ping host port server-id)
  (let* ((start-time (current-milliseconds))
	 (result     (tt:ping host port server-id)))
    (cons result (- (current-milliseconds) start-time))))
    

(define (tt:ping host port server-id #!optional (tries-left 5))
  (let*  ((res      (tt:send-receive-direct host port `(ping #f #f #f) ping-mode: #t)) ;; please send me your server-id
	  (try-again (lambda ()
		       (if (> tries-left 0)
			   (begin
			     (thread-sleep! 1)
			     (tt:ping host port server-id (- tries-left 1)))
			   #f))))
    ;;
    ;; need two threads, one a 5 second timer
    ;;
    (match res
      ((status errmsg result meta)
       (if (equal? result server-id)
	   (let* ((server-state (alist-ref 'sstate meta)))
	     ;; (debug:print 0 *default-log-port* "Ping to "host":"port" successful.")
	     (or server-state 'unk)) ;; then we are good
	   (begin
	     (debug:print 0 *default-log-port* "WARNING: server-id does not match, expected: "server-id", got: "result)
	     #f)))
      (else
       ;; (debug:print 0 *default-log-port* "res not in form (status errmsg result meta), got: "res)
       (try-again)))))

;; client side handler
;;
;;(tt:handler #<tt> get-keys #f () 2 #f "/home/matt/data/megatest/ext-tests" #f "main.db" "ext-tests" "/home/matt/data/megatest/bin/.22.04/../megatest")
;;
(define (tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)
  ;; NOTE: areapath is passed in and in tt struct. We'll use passed in value for now.
  (let* ((conn (tt:client-connect-to-server ttdat dbfname run-id testsuite))) ;; (hash-table-ref/default (tt-conns ttdat) dbfname #f)))
    (if conn
	;; have connection, call the server
	(let* ((res (tt:send-receive ttdat conn cmd run-id params)))
	  ;; res is (status errmsg result meta)
         ; (debug:print 0 *default-log-port* "conn:" conn " res: " res)
	  (match res
	    ((status errmsg result meta)
	     (if (list? meta)
		 (let* ((delay-wait (alist-ref 'delay-wait meta)))
		   (if (and (number? delay-wait)
			    (> delay-wait 0))
		       (begin
			 (debug:print 0 *default-log-port* "Server is loaded, delaying "delay-wait" seconds")
			 (thread-sleep! delay-wait)))))
	     (case status
	       ((busy) ;; result will be how long the server wants you to delay
		(let* ((dly  (if (number? result) result 0.1)))
		  (debug:print 0 *default-log-port* "WARNING: server for "dbfname" is busy, will try again in "dly" seconds.")
		  (thread-sleep! dly)
		  (tt:handler  ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe)))
	       ((loaded)
		(debug:print 0 *default-log-port* "WARNING: server for "dbfname" is loaded, slowing queries.")
		(tt:backoff-incr (tt-conn-host conn)(tt-conn-port conn))
		result) ;; (tt:handler  ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
	       (else
		result)))
	    (else ;; did not receive properly formated result
	     (if (not res) ;; tt:handler is telling us that communication failed
		 (let* ((host    (tt-conn-host conn))
			(port    (tt-conn-port conn))
			;; (dbfname (tt-conn-port conn)) ;; 192.168.0.127:4242-726924:4.db
			(pid     (tt-conn-pid  conn))
                        ;;(servinf (tt-conn-servinf-file conn))) 
			(servinf (tt-servinf-file ttdat))) ;; (conc areapath"/.servinfo/"host":"port"-"pid":"dbfname))) ;; TODO, use (server:get-servinfo-dir areapath)
		   (hash-table-set! (tt-conns ttdat) dbfname #f)
		   (if (and servinf (file-exists? servinf))
		       (begin
			 (if (< attemptnum 10)
			     (begin
			       (thread-sleep! 0.5)
			       (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
			     (begin
			       (debug:print 0 *default-log-port* "INFO: no response from server "host":"port" for "dbfname)
			       (if (and (file-exists? servinf)
					(> (- (current-seconds)(file-modification-time servinf)) 60))
				   (begin
				     (debug:print 0 *default-log-port* "INFO: "servinf" file seems old and no ping response, removing it.")
				     (handle-exceptions
					 exn
				       #f
				       (delete-file* servinf))
				     (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
				   (begin
				     ;; start server - addressed in client-connect-to-server
				     ;; delay        - addressed in client-connect-to-server
				     ;; try again
				     (thread-sleep! 0.25) ;; dunno, I think this needs to be here
				     (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))
				   ))))
		       (begin ;; no server file, delay and try again
			 (debug:print 0 *default-log-port* "INFO: connection to server "host":"port" broken for "dbfname", but do not see servinf file "servinf)
			 (thread-sleep! 0.5)
			 (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe))))
		 (begin ;; this case is where res is malformed. Probably should abort
		   (assert #f "FATAL: tt:handler received bad data "res)
		   ;; (debug:print 0 *default-log-port* "INFO: got corrupt data from server "host":"port", "res", for "dbfname", will try again.")
		   ;; (tt:handler ttdat cmd run-id params (+ attemptnum 1) area-dat areapath readonly-mode dbfname testsuite mtexe)
		   )))))
	(begin
	  (thread-sleep! 1) ;; no conn yet set up, give it a rest and try again
	  (tt:handler ttdat cmd run-id params attemptnum area-dat areapath readonly-mode dbfname testsuite mtexe)))))

(define (tt:bid-for-servership run-id)
  #f)

;; gets server info and appends path to server file
;; sorts by age, oldest first
;;
;; returns list of (host port startseconds server-id servinfofile)
;;
(define (tt:get-server-info-sorted ttdat dbfname)
  (let* ((areapath (tt-areapath ttdat))
	 (sfiles   (tt:find-server areapath dbfname))
	 (sdats    (filter car (map tt:server-get-info sfiles))) ;; first element is #f if the file disappeared while being read
	 (sorted   (sort sdats (lambda (a b)
				 (let* ((starta (list-ref a 2))
					(startb (list-ref b 2)))
				   (if (eq? starta startb)
				       (string>? (list-ref a 3)(list-ref b 3)) ;; if servers started at same time look at server-id
				       (< starta startb))))))
	 (count    0))
    (for-each
     (lambda (rec)
       (if (or (> (length sorted) 1)
	       (common:low-noise-print 120 "server info sorted"))
	   (debug:print 0 *default-log-port* "SERVER #"count": "(string-intersperse (map conc sorted) ", ")))
       (set! count (+ count 1)))
     sorted)
    sorted))
    
(define (tt:get-current-server-info ttdat dbfname)
  (assert (tt-areapath ttdat) "FATAL: areapath not set in ttdat.")
  ;;
  ;; TODO - replace most of below with tt;get-server-info-sorted
  ;;
  (let* ((areapath (tt-areapath ttdat))
	 (sfiles   (tt:find-server areapath dbfname))
	 (sdats    (filter car (map tt:server-get-info sfiles))) ;; first element is #f if the file disappeared while being read
	 (sorted   (sort sdats (lambda (a b)
				 (< (list-ref a 2)(list-ref b 2))))))
    (if (null? sorted)
	#f  ;; we'll want to wait until extra servers have exited
	(car sorted))))

(define (tt:send-receive ttdat conn cmd run-id params)
  (let* ((host-port (tt-conn-host-port conn)) ;; (conc (tt-conn-host conn)":"(tt-conn-port conn)))
	 (host      (tt-conn-host conn))
	 (port      (tt-conn-port conn))
	 (dat       (list cmd run-id params #f))) ;; no meta data yet
    (tt:send-receive-direct host port dat)))

(defstruct tt:backoff
  (last-ioerr (current-seconds))
  (last-adj-t (current-seconds))
  (wait-delay 0.1))

(define *tt:backoff-smoothing* (make-hash-table)) ;; host:port => lastaccess backoffdelay )

(define (tt:backoff-incr host port) ;; call if tcp fails i/o net
  (let* ((host-port (conc host":"port))
	 (bkoff     (hash-table-ref/default *tt:backoff-smoothing* host-port #f)))
    (if bkoff
	(begin
	  (tt:backoff-last-ioerr-set! bkoff (current-seconds))
	  (tt:backoff-wait-delay-set! bkoff (+ (tt:backoff-wait-delay bkoff) 0.1)))
	(hash-table-set! *tt:backoff-smoothing* host-port (make-tt:backoff)))))

(define (tt:backoff-decr-and-wait host port)
  (let* ((host-port (conc host":"port))
	 (bkoff     (hash-table-ref/default *tt:backoff-smoothing* host-port #f)))
    (if bkoff
	(let* ((wait-delay (tt:backoff-wait-delay bkoff))
	       (last-ioerr (tt:backoff-last-ioerr bkoff))
	       (last-adj-t (tt:backoff-last-adj-t bkoff))
	       (delta      (- (current-seconds) last-adj-t))
	       (adj        (* delta 0.001)) ;; it takes 100 seconds to recover from hitting an io err
	       (new-wait   (if (> wait-delay 0)
			       (if (> adj wait-delay)
				   0
				   (- wait-delay adj))
			       0)))
	  (if (> new-wait 0)
	      (begin
		(if (common:low-noise-print 10 "delay wait message")
		    (debug:print-info 0 *default-log-port* "Server loaded, DelayWait: "new-wait))
		(tt:backoff-wait-delay-set! bkoff new-wait)
		(tt:backoff-last-adj-t-set! bkoff (current-seconds))
		(thread-sleep! new-wait))
	      (hash-table-delete! *tt:backoff-smoothing* host-port))))))

(define (tt:send-receive-direct host port dat #!key (ping-mode #f)(tries-remaining 25))
  (assert (number? port) "FATAL: tt:send-receive-direct called with port not a number "port)
  (tt:backoff-decr-and-wait host port)
  (let* ((retry          (lambda ()
			   (tt:send-receive-direct host port dat tries-remaining: (- tries-remaining 1))))
	 (full-err-print (lambda (exn msg)
			   (if (condition? exn)
			       (begin
				 (pp (condition->list exn) *default-log-port*)
				 (pp dat *default-log-port*)
				 (debug:print 0 *default-log-port* msg
					      ", error: "     ((condition-property-accessor 'exn 'message)   exn)
					      ", arguments: " ((condition-property-accessor 'exn 'arguments) exn)
					      ", location: "  ((condition-property-accessor 'exn 'location)  exn)
					      ))
			       (debug:print 0 *default-log-port* msg "(note: exn="exn", is not a condition object.")))))
    (condition-case
     (let-values (((inp oup)(tcp-connect host port)))
       (let ((res (if (and inp oup)
		      (begin
			(serialize dat oup)
			(close-output-port oup)
			(deserialize inp))
		      )))
	 (close-input-port inp)
	 (match res
	   ((result exn-result stdout-result)
	    (if exn-result
		(full-err-print exn-result "ERROR: Server side exception detected"))
	    (if stdout-result
		(debug:print 0 *default-log-port* "ERROR: Output detected on stdout on server side execution => "stdout-result))
	    result)
	   (else
	    (debug:print 0 *default-log-port* "ERROR: server returned non-standard output: "res)
	    #f))))
     (exn (io-error)
	  (full-err-print exn  "ERROR: i/o error")
	  (tt:backoff-incr host port)
	  #f)
     (exn (i/o net)
	  (if ping-mode
	      #f
	      (cond
	       ((>  tries-remaining 4) ;; server likely defunct
		(tt:backoff-incr host port)
		#f)
	       ((>= tries-remaining 0)
		(let* ((backoff-delay (max (* (- 26 tries-remaining) 0.1) 1.0)))
		  (debug:print 0 *default-log-port* "WARNING: TCP overload, trying again in "backoff-delay"s.")
		  (thread-sleep! backoff-delay)
		  (tt:backoff-incr host port)
		  (retry))
		;; (assert #f "FATAL: Too many retries in tt:send-receive-direct")
		)
	       (else #f))))
     (exn ()
	  (full-err-print exn "Unhandled exception from client side.")
	  #f))))


;;======================================================================
;; server
;;======================================================================

(define (tt:sync-dbs ttdat)
  #f)

;; start the listener and start responding to requests
;;
;; NOTE: organise by dbfname, not run-id so we don't need
;;       to pull in more modules
;;
;; This is the routine called in megatest.scm to start a server
;;
;; Server viability is checked in keep-running. Blindly start and run here.
;;
(define (tt:start-server areapath run-id dbfname-in handler keys)
  (assert areapath "FATAL: areapath not provided for tt:start-server")
  ;; is there already a server for this dbfile? Then exit.
  (let* ((ttdat   (make-tt areapath: areapath))
	 (dbfname (or dbfname-in (dbmod:run-id->dbfname run-id)))
	 (servers (tt:find-server areapath dbfname))) ;; should use tt:get-current-server-info instead
    (if (> (length servers) 4)
	(begin
	  (debug:print 0 *default-log-port* "INFO: found server(s) already running for db "dbfname", "(string-intersperse servers ",")" Exiting.")
	  (exit))
	(let* ((dbstruct   (dbmod:open-dbmoddb areapath run-id dbfname (dbfile:db-init-proc) keys)))
	  (tt-handler-set! ttdat (handler dbstruct))
	  (let* ((tcp-thread (make-thread
			      (lambda ()
				(tt:start-tcp-server ttdat)) ;; start the tcp-server which applies handler to incoming data
			      "tcp-server-thread"))
		 (run-thread (make-thread
			      (lambda ()
				(tt:keep-running ttdat dbfname dbstruct)))))
	    (thread-start! tcp-thread)
	    (thread-start! run-thread)
	    (thread-join! run-thread) ;; run thread will exit on timeout or other conditions
	    (exit))))))

(define (tt:keep-running ttdat dbfname dbstruct)
  ;; verfiy conn for ready
  ;; listener socket has been started by this stage
  ;; wait for a port before creating the registration file
  ;;
  (let* ((db-locked-in #f)
	 (areapath     (tt-areapath ttdat))
	 (nosyncdbpath (conc areapath"/.mtdb"))
	 (cleanup (lambda ()
		    (if (tt-cleanup-proc ttdat)
			((tt-cleanup-proc ttdat)))
		    (dbfile:with-no-sync-db nosyncdbpath
					    (lambda (db)
					      (let* ((dbtmpname (dbr:dbstruct-dbtmpname dbstruct)))
						(debug:print-info 0 *default-log-port* "Running clean up, including removing db file "dbtmpname)
						(db:no-sync-del! db dbfname)
						#;(if dbtmpname
						    (delete-file dbtmpname))))))))
    (set! *server-info* ttdat)
    (let loop ((count 0))
      (if (> count 240)
	  (begin
	    (debug:print 0 *default-log-port* "FATAL: Could not start a tcp server, giving up.")
	    (exit 1))
	  (if (not (tt-port ttdat)) ;; no connection yet
	      (begin
		(thread-sleep! 0.25)
		(loop (+ count 1))))))
    
    (tt:create-server-registration-file ttdat dbfname)
    ;; now start watching the last-access, if it hasn't been touched
    ;; in over ten seconds we exit
    (thread-sleep! 0.05) ;; any real need for delay here?
    (let loop ()
      (let* ((servers (tt:get-server-info-sorted ttdat dbfname))
	     (ok      (cond
		       ((null? servers) #f) ;; not ok
		       ((equal? (list-ref (car servers) 6) ;; compare the servinfofile
				(tt-servinf-file ttdat))
			(let* ((res (if db-locked-in
					#t
					(let* ((lock-result  ;; this is the primary lock - need to double verify that got it
						(dbfile:with-no-sync-db
						 nosyncdbpath
						 (lambda (db)
						   (db:no-sync-lock-and-check db dbfname
									      (tt-servinf-file ttdat)
									      ;; (dbr:dbstruct-dbtmpname dbstruct)
									      ))))
					       (success (car lock-result)))
					  (if success
					      (begin
						(tt-state-set! ttdat 'running)
						(debug:print 0 *default-log-port* "Got server lock for " dbfname)
						(set! db-locked-in #t)
						#t)
					      (begin
						(debug:print 0 *default-log-port* "Failed to get server lock for "dbfname)
						#f))))))
			  (if (and res (common:low-noise-print 120 "top server message"))
			      (debug:print-info 0 *default-log-port* "Keep running, I'm the top server for "
						dbfname" on "(tt-host ttdat)":"(tt-port ttdat)))
			  res))
		       (else
			(debug:print-info 0 *default-log-port* "I'm not the lead server: "servers)
			(let* ((leadsrv (car servers)))
			  (match leadsrv
			    ((host port startseconds server-id pid dbfname servinfofile)
			     (let* ((result  (tt:timed-ping host port server-id))
				    (res     (car result))
				    (ping    (cdr result)))
			       (debug:print-info 0 *default-log-port* "Ping to "host":"port", with server-id "server-id
						 ", and file "servinfofile" returned "res)
			       (if res
				   #f ;; not the server, but all good, want to exit
				   (if (and (file-exists? servinfofile)
					  (> (- (current-seconds)(file-modification-time servinfofile)) 30))
				     (begin
				       ;; can't ping and file has been on disk 15 seconds, go ahead and try to remove it
				       (debug:print-info 0 *default-log-port* "Removing apparently dead server info file: "servinfofile)
                                       (handle-exceptions
                                        exn
                                        (debug:print-info 0 *default-log-port* "Error removing server info file: "servinfofile)
				        (delete-file* servinfofile)
                                       )
				       #t) ;; not the server but the server is not reachable
				     (begin
				       (debug:print 0 *default-log-port* "I'm not the server but could not ping "host":"port", will try again.")
				       (thread-sleep! 1) ;; just because
				       #t)))))
			    (else ;; should never get here
			     (debug:print 0 *default-log-port* "BAD SERVER RECORD: "leadsrv)
			     (assert #f "Bad server record "leadsrv))))))))
	(if ok
	    (tt-last-access-set! ttdat *db-last-access*) ;; bit silly, just use db-last-access
	    (begin
	      (debug:print 0 *default-log-port* "Exiting immediately")
	      (cleanup)
	      (exit)))

	(let* ((last-update (dbr:dbstruct-last-update dbstruct))
	       (curr-secs   (current-seconds)))
	  (if (and (eq? (tt-state ttdat) 'running)
		   (> (- curr-secs last-update) 3)) ;; every 3-4 seconds update the db?
	      (begin
		(set! (file-modification-time (tt-servinf-file ttdat)) (current-seconds))
		((dbr:dbstruct-sync-proc dbstruct) last-update)
		(dbr:dbstruct-last-update-set! dbstruct curr-secs))))
	  
	(if (< (- (current-seconds) (tt-last-access ttdat)) (tt-server-timeout-param))
	    (begin
	      (thread-sleep! 5)
	      (loop)))))
    (cleanup)
    (debug:print 0 *default-log-port* "INFO: Server timed out, exiting.")))

  
;; ;; given an already set up uconn start the cmd-loop
;; ;;
;; (define (tt:cmd-loop ttdat)
;;   (let* ((serv-listener (-socket uconn))
;; 	 (listener      (lambda ()
;; 			  (let loop ((state 'start))
;; 			    (let-values (((inp oup)(tcp-accept serv-listener)))
;; 			      ;; (mutex-lock! *send-mutex*) ;; DOESN'T SEEM TO HELP
;; 			      (let* ((rdat  (deserialize inp)) ;; '(my-host-port qrykey cmd params)
;; 				     (resp  (ulex-handler uconn rdat)))
;; 				(serialize resp oup)
;; 				(close-input-port inp)
;; 				(close-output-port oup)
;; 				;; (mutex-unlock! *send-mutex*) ;; DOESN'T SEEM TO HELP
;; 				)
;; 			      (loop state))))))
;;     ;; start N of them
;;     (let loop ((thnum   0)
;; 	       (threads '()))
;;       (if (< thnum 100)
;; 	  (let* ((th (make-thread listener (conc "listener" thnum))))
;; 	    (thread-start! th)
;; 	    (loop (+ thnum 1)
;; 		  (cons th threads)))
;; 	  (map thread-join! threads)))))
;; 
;; 
;; 
;; (define (wait-and-close uconn)
;;   (thread-join! (udat-cmd-thread uconn))
;;   (tcp-close (udat-socket uconn)))
;; 
;; 

(define (tt:shutdown-server ttdat)
  (let* ((cleanproc (tt-cleanup-proc ttdat))
	 (port      (tt-port         ttdat)))
    (tt-state-set! ttdat 'shutdown)
    (portlogger:open-run-close portlogger:set-port port "released")
    (if cleanproc (cleanproc))
    (tcp-close (tt-socket ttdat)) ;; close up ports here
    ))

;; (define (wait-and-close uconn)
;;   (thread-join! (tt-cmd-thread uconn))
;;   (tcp-close (tt-socket uconn)))

;; return servid
;; side-effects:
;;   ttdat-cleanup-proc is populated with function to remove the serverinfo file
(define (tt:create-server-registration-file ttdat dbfname)
  (let* ((areapath (tt-areapath ttdat))
	 (servdir  (tt:get-servinfo-dir areapath))
	 (host     (tt-host ttdat))
	 (port     (tt-port ttdat))
	 (servinf (conc servdir"/"host":"port"-"(current-process-id)":"dbfname))
	 (serv-id (tt:mk-signature areapath))
	 (clean-proc (lambda ()
		       (delete-file* servinf)
		       )))
    (assert (and host port) "FATAL: tt:create-server-registration-file called with no conn, dbfname="dbfname)
    (tt-cleanup-proc-set! ttdat clean-proc)
    (tt-servinf-file-set! ttdat servinf)
    (with-output-to-file servinf
      (lambda ()
	(print "SERVER STARTED: "host":"port" AT "(current-seconds)" server-id: "serv-id" pid: "(current-process-id)" dbfname: "dbfname)))
      serv-id))

;; find valid server
;; get servers listed, last part of name must match :<dbfname>
;; if more than one, wait one second and look again
;; future: ping oldest, if alive remove other :<dbfname> files
;;
(define (tt:find-server areapath dbfname)
  (let* ((servdir  (tt:get-servinfo-dir areapath))
	 (sfiles   (glob (conc servdir"/*:"dbfname))))
    sfiles))

;; given a path to a server info file return: host port startseconds server-id pid dbfname logf
;; example of what it's looking for in the log file:
;;     SERVER STARTED: 10.38.175.67:50216 AT 1616502350.0 server-id: 4907e90fc55c7a09694e3f658c639cf4 
;;
(define (tt:server-get-info logf)
  (let ((server-rx    (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+) pid: (\\d+) dbfname: (\\S+)")) ;; SERVER STARTED: host:port AT timesecs server id
        (dbprep-rx    (regexp "^SERVER: dbprep"))
        (dbprep-found 0)
	(bad-dat      (list #f #f #f #f #f #f logf)))
     (let ((fdat     (handle-exceptions
			 exn
		       (begin
			 ;; WARNING: this is potentially dangerous to blanket ignore the errors
			 (debug:print-info 0 *default-log-port* "Unable to get server info from "logf", exn="(condition->list exn))
			 '()) ;; no idea what went wrong, call it a bad server, return empty list
		       (with-input-from-file logf read-lines))))
       (if (null? fdat) ;; bad data, return bad-dat
	   bad-dat
	   (let loop ((inl  (car fdat))
		      (tail (cdr fdat))
		      (lnum 0))
	     (let ((mlst (string-match server-rx inl))
		   (dbprep (string-match dbprep-rx inl)))
	       (if dbprep (set! dbprep-found 1))
	       (if (not mlst)
		   (if (> lnum 500) ;; give up if more than 500 lines of server log read
		       bad-dat
		       (if (null? tail)
			   bad-dat
			   (loop (car tail)(cdr tail)(+ lnum 1))))
		   (match mlst ;; have a not null list
		     ((_ host port start server-id pid dbfname)
		      (list host
			    (string->number port)
			    (string->number start)
			    server-id
			    (string->number pid)
			    dbfname
			    logf))
		     (else
		      (debug:print 0 *default-log-port* "ERROR: did not recognise SERVER line info "mlst)
		      bad-dat)))))))))

;; Given an area path,  start a server process    ### NOTE ### > file 2>&1 
;; if the target-host is set 
;; try running on that host
;;   incidental: rotate logs in logs/ dir.
;;
(define  (tt:server-process-run areapath testsuite mtexe run-id #!key (profile-mode "")) ;; areapath is *toppath* for a given testsuite area
  (assert areapath  "FATAL: tt:server-process-run called without areapath defined.")
  (assert testsuite "FATAL: tt:server-process-run called without testsuite defined.")
  (assert mtexe     "FATAL: tt:server-process-run called without mtexe defined.")
  ;; mtest -server - -m testsuite:ext-tests -db 6.db
  (let* ((dbfname  (dbmod:run-id->dbfname run-id))
	 (load     (get-normalized-cpu-load))
	 (trying   (length (tt:find-server areapath dbfname)))
	 (nrun     (number-of-processes-running (conc "mtest.*server.*"testsuite".*"dbfname))))
    (cond
     ((> load 2.0)
      (debug:print 0 *default-log-port* "Normalized load "load" on " (get-host-name) " is over the limit of 2.0. Not starting a server.")
      (thread-sleep! 1))
     ((> nrun 100)
      (debug:print 0 *default-log-port* nrun" servers running on " (get-host-name) ", not starting another.")
      (thread-sleep! 1))
     ((> trying 4)
      (debug:print 0 *default-log-port* trying" servers registered in .servinfo dir. not starting another.")
      (thread-sleep! 1))
     (else
      (if (not (file-exists? (conc areapath"/logs")))
	      (create-directory (conc areapath"/logs") #t))
	  (let* ((logfile   (conc areapath "/logs/server-"dbfname"-"(current-process-id)".log")) ;; -" curr-pid "-" target-host ".log"))
		 (cmdln     (conc
			     mtexe
			     " -startdir "areapath
			     " -server - ";; (or target-host "-")
			     " -m testsuite:"testsuite
			     " -db "dbfname ;; (dbmod:run-id->dbfname run-id)
			     " " profile-mode
			     (conc " >> " logfile " 2>&1 &"))))
	    ;; we want the remote server to start in *toppath* so push there
	    ;; (push-directory areapath) ;; use cd in the command line instead
	    (debug:print 0 *default-log-port* "INFO: Trying to start server in tcp mode (" cmdln ") at "(common:human-time)" for "areapath)
	    ;; (debug:print 0 *default-log-port* "INFO: starting server at " (common:human-time))

	    (system cmdln)
	    ;; ;; use below to go back to nbfake - nbfake does cause trouble ...
	    ;; (setenv "NBFAKE_QUIET" "yes") ;; BUG: change to with-environment-variable ...
	    ;; (setenv "NBFAKE_LOG" logfile)
	    ;; (system (conc "cd "areapath" ; nbfake " cmdln))
	    ;; (unsetenv "NBFAKE_QUIET")
	    ;; (unsetenv "NBFAKE_LOG")
	    
	    ;;(pop-directory)
	    )))))

;;======================================================================
;; tcp connection stuff
;;======================================================================

;; find a port and start tcp-server. This only starts the tcp portion of
;; the server, look at (tt:start-server ...) above for the entry point
;; for the entire server system
;;
(define (tt:start-tcp-server ttdat)
  (setup-listener-portlogger ttdat) ;; set up tcp-listener
  (let* ((socket   (tt-socket  ttdat))
	 (handler  (tt-handler ttdat)) ;; the handler comes from our client setting a handler function
	 (handler-proc (lambda ()
			 (let* ((indat         (deserialize)) ;; could use: (thread-terminate! (current-thread))
				(result        #f)
				(exn-result    #f)
				(stdout-result (with-output-to-string
						 (lambda ()
						   (let ((res (handle-exceptions
							       exn
							       (let* ((errdat (condition->list exn)))
								 (set! exn-result errdat)
								 (debug:print 0 *default-log-port* "ERROR: handler exception, these are bad, will exit in five seconds.")
								 (pp errdat *default-log-port*)
								 ;; these are always bad, set up an exit thread
								 (thread-start! (make-thread (lambda ()
							      				       (thread-sleep! 5)
							      				       (exit))))
							       #f)
								(handler indat) ;; this is the proc being called by the remote client
								)))
						     (set! result res)))))
				(full-result    (list result exn-result (if (equal? stdout-result "") #f stdout-result))))
			   (handle-exceptions
			       exn
			     (begin
			       (debug:print 0 *default-log-port* "Serialization failure. full-result="full-result)
			       (thread-start! (make-thread (lambda ()
							     (thread-sleep! 5)
							     (exit)))))    ;; (serialize '(#f #f #f)) ;; doesn't work - the first call to serialize caused failure
			     (serialize full-result))))))
    ((make-tcp-server socket handler-proc)
     #f ;; yes, send error messages to std-err
     )))

;; create a tcp listener and return a populated udat struct with
;; my port, address, hostname, pid etc.
;; return #f if fail to find a port to allocate.
;;
;;  if udata-in is #f create the record
;;  if there is already a serv-listener return the udata
;;
;; (define (setup-listener uconn #!optional (port 4242))
;;   (assert (tt? uconn) "FATAL: setup-listener called with wrong struct "uconn)
;;   (handle-exceptions
;;    exn
;;    (if (< port 65535)
;;        (begin
;; 	 (thread-sleep! 0.25)
;; 	 (setup-listener uconn (+ port 1)))
;;        #f)
;;    (connect-listener uconn port)))

(define (setup-listener-portlogger uconn)
  (let ((port (portlogger:open-run-close portlogger:find-port)))
    (assert (tt? uconn) "FATAL: setup-listener called with wrong struct "uconn)
    (handle-exceptions
	exn
      (if (< port 65535)
	  (begin
	    (portlogger:open-run-close portlogger:set-failed port)
	    (thread-sleep! 0.25)
	    (setup-listener-portlogger uconn))
	  #f)
      (connect-listener uconn port))))

(define (connect-listener uconn port)
  ;; (tcp-listener-socket LISTENER)(socket-name so)
  ;; sockaddr-address, sockaddr-port, sockaddr->string
  (let* ((tlsn (tcp-listen port 10000 #f)) ;; (tcp-listen TCPPORT [BACKLOG [HOST]])
	 (addr  (tt:get-best-guess-address (get-host-name)))) ;; (get-my-best-address))) ;; (hostinfo-addresses (host-information (current-hostname)))
    (tt-port-set!      uconn port)
    (tt-host-set!      uconn addr)
    (tt-host-port-set! uconn (conc addr":"port))
    (tt-socket-set!    uconn tlsn)
    uconn))

;;======================================================================
;; utils
;;======================================================================

;; Generate a unique signature for this server
(define (tt:mk-signature areapath)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list areapath
                                          (current-process-id)
					  (argv)))))))


(define (tt:get-best-guess-address hostname)
  (let ((res #f))
    (for-each 
     (lambda (adr)
       (if (not (eq? (u8vector-ref adr 0) 127))
	   (set! res adr)))
     ;; NOTE: This can fail when there is no mention of the host in /etc/hosts. FIXME
     (vector->list (hostinfo-addresses (hostname->hostinfo hostname))))
    (string-intersperse 
     (map number->string
	  (u8vector->list
	   (if res res (hostname->ip hostname)))) ".")))

(define (tt:get-servinfo-dir areapath)
  (let* ((spath (conc areapath"/.servinfo")))
    (if (not (file-exists? spath))
	(create-directory spath #t))
    spath))

;;======================================================================
;; network utilities
;;======================================================================

;; NOTE: Look at address-info egg as alternative to some of this

(define (rate-ip ipaddr)
  (regex-case ipaddr
    ( "^127\\..*" _ 0 )
    ( "^(10\\.0|192\\.168)\\..*" _ 1 )
    ( else 2 ) ))

;; Change this to bias for addresses with a reasonable broadcast value?
;;
(define (ip-pref-less? a b)
  (> (rate-ip a) (rate-ip b)))

(define (get-my-best-address)
  (let ((all-my-addresses (get-all-ips)))
    (cond
     ((null? all-my-addresses)
      (get-host-name))                                          ;; no interfaces?
     ((eq? (length all-my-addresses) 1)
      (car all-my-addresses))                      ;; only one to choose from, just go with it
     (else
      (car (sort all-my-addresses ip-pref-less?))))))

(define (get-all-ips-sorted)
  (sort (get-all-ips) ip-pref-less?))

(define (get-all-ips)
  (map address-info-host
       (filter (lambda (x)
		 (equal? (address-info-type x) "tcp"))
	       (address-infos (get-host-name)))))

)

Modified tdb.scm from [6edff6262d] to [9e1aed8275].

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;;
;;======================================================================

;;======================================================================
;; Database access
;;======================================================================












(require-extension (srfi 18) extras tcp)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n md5 message-digest base64)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))

(declare (unit tdb))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses client))
(declare (uses mt))
(declare (uses db))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

;;======================================================================







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;;
;;======================================================================

;;======================================================================
;; Database access
;;======================================================================

(declare (unit tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses mt))
(declare (uses db))
(declare (uses commonmod))
(declare (uses mtargs))
(declare (uses rmtmod))

(require-extension (srfi 18) extras tcp)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 csv-xml s11n md5 message-digest base64)
(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))


(import commonmod
	debugprint


	rmtmod
	(prefix mtargs args:))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

;;======================================================================

Modified tests.scm from [5c2006972a] to [6fa611f761].

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;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(declare (unit tests))
(declare (uses lock-queue))
(declare (uses db))
(declare (uses tdb))
(declare (uses common))
(declare (uses commonmod))
;; (declare (uses dcommon)) ;; needed for the steps processing
(declare (uses items))
(declare (uses runconfig))
;; (declare (uses sdb))
(declare (uses server))
;;(declare (uses stml2))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking tcp directory-utils)
(import (prefix sqlite3 sqlite3:))
(import commonmod)
(require-library stml)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")







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;;======================================================================

;;======================================================================
;; Tests
;;======================================================================

(declare (unit tests))
(declare (uses db))
(declare (uses tdb))
(declare (uses debugprint))
(declare (uses common))
(declare (uses commonmod))

(declare (uses items))
(declare (uses runconfig))
(declare (uses server))
(declare (uses mtargs))
(declare (uses rmtmod))

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking directory-utils)
(import (prefix sqlite3 sqlite3:))
(import commonmod (prefix mtargs args:) debugprint rmtmod)
(require-library stml)

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "run_records.scm")
(include "test_records.scm")
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;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request run-id test-id) ;; run-id test-name itemdat)
  (let* ((testdat   (rmt:get-test-info-by-id run-id test-id)))
    (and testdat
	 (equal? (test:get-state testdat) "KILLREQ"))))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row
	 (lambda (count)
	   (set! res count))







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;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request run-id test-id) ;; run-id test-name itemdat)
  (let* ((testdat   (rmt:get-test-state-status-by-id run-id test-id)))
    (and testdat
	 (equal? (car testdat) "KILLREQ"))))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row
	 (lambda (count)
	   (set! res count))

Added transport-mode.scm.template version [9dbf69644d].













































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;;======================================================================
;; set up transport, db cache and sync methods
;;
;; sync-method:        'original, 'attach or 'none
;; cache-method:       'tmp 'none
;; rmt:transport-mode: 'http, 'tcp, 'nfs
;;
;; NOTE: NOT ALL COMBINATIONS WORK
;;
;;======================================================================

;; uncomment this block to test without tcp
;; (dbfile:sync-method 'none)
;; (dbfile:cache-method 'none)
;; (rmt:transport-mode 'nfs)

;; uncomment this block to test with tcp
(dbfile:sync-method 'attach) ;; attach) ;; original
(dbfile:cache-method 'tmp)
(rmt:transport-mode 'tcp)


Modified tree.scm from [8e1d4da5cd] to [c8bcf1dc7e].

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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================










(use format)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)

(use sqlite3 srfi-1 posix regex regex-case srfi-69)
(import (prefix sqlite3 sqlite3:))

(declare (unit tree))
(declare (uses margs))
(declare (uses launch))
;; (declare (uses megatest-version))
(declare (uses gutils))
(declare (uses db))
(declare (uses server))
;; (declare (uses synchash))
(declare (uses dcommon))

(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")

;;======================================================================







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;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(declare (unit tree))
(declare (uses mtargs))
(declare (uses debugprint))
(declare (uses launch))
(declare (uses gutils))
(declare (uses db))
(declare (uses server))
(declare (uses dcommon))

(use format)
(require-library iup)
(import (prefix iup iup:))
(use canvas-draw)

(use sqlite3 srfi-1 posix regex regex-case srfi-69)
(import (prefix sqlite3 sqlite3:))


(import (prefix mtargs args:)



	debugprint)




(include "megatest-version.scm")
(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")

;;======================================================================

Deleted ulex.scm version [39353b5283].

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;;======================================================================
;; Copyright 2019, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit ulex))
(declare (uses pkts))

(include "ulex/ulex.scm")
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;;======================================================================
;; Copyright 2022, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

;;======================================================================

(declare (unit dbmgrmod))

(declare (uses ulex))
(declare (uses apimod))
(declare (uses pkts))
(declare (uses commonmod))
(declare (uses dbmod))
(declare (uses mtargs))
(declare (uses portloggermod))
(declare (uses debugprint))

(module dbmgrmod
    *

(import scheme
	chicken.base
	chicken.condition
	chicken.file
	chicken.format
	chicken.port
	chicken.process
	chicken.process-context
	chicken.process-context.posix
	chicken.sort
	chicken.string
	chicken.time
	
	(prefix sqlite3 sqlite3:)
	matchable
	md5
	message-digest
	regex
	s11n
	srfi-1
	srfi-18
	srfi-69
	system-information
	typed-records
	
	pkts
	ulex

	commonmod
	apimod
	dbmod
	debugprint
	(prefix mtargs args:)
	portloggermod
	)

;; Configurations for server
;; (tcp-buffer-size 2048)
;; (max-connections 2048) 

;; info about me as a listener and my connections to db servers
;; stored (for now) in *db-serv-info*
;;
(defstruct servdat
  (host #f)
  (port #f)
  (uuid #f)
  (dbfile #f)
  (uconn   #f) ;; this is the listener *FOR THIS PROCESS*
  (mode    #f)
  (status 'starting)
  (trynum 0) ;; count the number of ports we've tried
  (conns  (make-hash-table)) ;; apath/dbname => conndat
  ) 

(define *db-serv-info* (make-servdat))

(define (servdat->url sdat)
  (conc (servdat-host sdat)":"(servdat-port sdat)))

;; db servers contact info
;;
(defstruct conndat
  (apath    #f)
  (dbname   #f)
  (fullname #f)
  (hostport #f)
  (ipaddr   #f)
  (port     #f)
  (srvpkt   #f)
  (srvkey   #f)
  (lastmsg  0)
  (expires  0))

(define *srvpktspec*
  `((server (host    . h)
	    (port    . p)
	    (servkey . k)
	    (pid     . i)
	    (ipaddr  . a)
	    (dbpath  . d))))

;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

;; set up the api proc, seems like there should be a better place for this?
;;
;; IS THIS NEEDED ANYMORE? TODO - REMOVE IF POSSIBLE
;;
;; (define api-proc (make-parameter conc))
;; (api-proc api:execute-requests)

;; do we have a connection to apath dbname and
;; is it not expired? then return it
;;
;; else setup a connection
;;
;; if that fails, return '(#f "some reason") ;; NB// convert to raising an exception
;;
(define (rmt:get-conn remdat apath dbname)
  (let* ((fullname (db:dbname->path apath dbname)))
    (hash-table-ref/default (servdat-conns remdat) fullname #f)))

(define (rmt:drop-conn remdat apath dbname)
  (let* ((fullname (db:dbname->path apath dbname)))
    (hash-table-delete! (servdat-conns remdat) fullname)))
  
(define (rmt:find-main-server uconn apath dbname)
  (let* ((pktsdir     (get-pkts-dir apath))
	 (all-srvpkts (get-all-server-pkts pktsdir *srvpktspec*))
	 (viable-srvs (get-viable-servers all-srvpkts dbname)))
    (get-the-server uconn apath viable-srvs)))


(define *connstart-mutex* (make-mutex))
(define *last-main-start* 0)

;; looks for a connection to main, returns if have and not exired
;; creates new otherwise
;; 
;; connections for other servers happens by requesting from main
;;
;; TODO: This is unnecessarily re-creating the record in the hash table
;;
(define (rmt:open-main-connection remdat apath)
  (let* ((fullpath (db:dbname->path apath ".db/main.db"))
	 (conns    (servdat-conns remdat))
	 (conn     (rmt:get-conn remdat apath ".db/main.db")) ;; (hash-table-ref/default conns fullpath #f)) ;; TODO - create call for this
	 (start-rmt:run (lambda ()
			  (let* ((th1 (make-thread (lambda ()(rmt:run (get-host-name))) "non-db mode server")))
			    (thread-start! th1)
			    (thread-sleep! 1)
			    (let loop ((count 0))
			      (assert (< count 30) "FATAL: responder failed to initialize in rmt:open-main-connection")
			      (if (or (not *db-serv-info*)
				      (not (servdat-uconn *db-serv-info*)))
				  (begin
				    (thread-sleep! 1)
				    (loop (+ count 1)))
				  (begin
				    (servdat-mode-set! *db-serv-info* 'non-db)
				    (servdat-uconn *db-serv-info*)))))))
	 (myconn    (servdat-uconn *db-serv-info*)))
    (cond
     ((not myconn)
      (start-rmt:run)
      (rmt:open-main-connection remdat apath))
     ((and conn                                             ;; conn is NOT a socket, just saying ...
	   (< (current-seconds) (conndat-expires conn)))
      #t) ;; we are current and good to go - we'll deal elsewhere with a server that was killed or died 
     ((and conn
	   (>= (current-seconds)(conndat-expires conn)))
      (debug:print-info 0 *default-log-port* "connection to "fullpath" server expired. Reconnecting.")
      (rmt:drop-conn remdat apath ".db/main.db") ;;
      (rmt:open-main-connection remdat apath))
     (else
      ;; Below we will find or create and connect to main
      (debug:print-info 0 *default-log-port* "rmt:open-main-connection - starting from scratch")
      (let* ((dbname         (db:run-id->dbname #f))
	     (the-srv        (rmt:find-main-server myconn apath dbname))
	     (start-main-srv (lambda () ;; call IF there is no the-srv found
			       (mutex-lock! *connstart-mutex*)
			       (if (> (- (current-seconds) *last-main-start*) 5) ;; at least four seconds since last attempt to start main server
				   (begin
				     (api:run-server-process apath dbname)
				     (set! *last-main-start* (current-seconds))
				     (thread-sleep! 1))
				   (thread-sleep! 0.25))
			       (mutex-unlock! *connstart-mutex*)
			       (rmt:open-main-connection remdat apath) ;; TODO: Add limit to number of tries
			       )))
	(if (not the-srv) ;; have server, try connecting to it
	    (start-main-srv)
	    (let* ((srv-addr (server-address the-srv)) ;; need serv
		   (ipaddr   (alist-ref 'ipaddr  the-srv))
		   (port     (alist-ref 'port    the-srv))
		   (srvkey   (alist-ref 'servkey the-srv))
		   (fullpath (db:dbname->path apath dbname))
		   
		   (new-the-srv (make-conndat
				 apath:   apath
				 dbname:  dbname
				 fullname: fullpath
				 hostport: srv-addr
				 ;; socket: (open-nn-connection srv-addr)  - TODO - open ulex connection?
				 ipaddr: ipaddr
				 port: port
				 srvpkt: the-srv
				 srvkey: srvkey ;; generated by rmt:get-signature on the server side
				 lastmsg: (current-seconds)
				 expires: (+ (current-seconds)
					     (server:expiration-timeout)
					     -2) ;; this needs to be gathered during the ping
				 )))
	      (hash-table-set! conns fullpath new-the-srv)))
	#t)))))

;; NB// sinfo is a servdat struct
;;
(define (rmt:general-open-connection sinfo apath dbname #!key (num-tries 5))
  (assert (not (equal? dbname ".db/main.db")) "ERROR: general-open-connection should never be called with main as the db")
  (let* ((mdbname  ".db/main.db") ;; (db:run-id->dbname #f)) TODO: put this back to the lookup when stable
	 (fullname (db:dbname->path apath dbname))
	 (conns    (servdat-conns sinfo))
	 (mconn    (rmt:get-conn sinfo apath ".db/main.db"))
	 (dconn    (rmt:get-conn sinfo apath dbname)))
    #;(if (and mconn
	     (not (debug:print-logger)))
	(begin
	  (debug:print-info 0 *default-log-port* "Turning on logging to main, look in logs dir for main log.")
	  (debug:print-logger rmt:log-to-main)))
    (cond
     ((and mconn
	   dconn
	   (< (current-seconds)(conndat-expires dconn)))
      #t) ;; good to go
     ((not mconn) ;; no channel open to main? open it...
      (rmt:open-main-connection sinfo apath)
      (rmt:general-open-connection sinfo apath dbname num-tries: (- num-tries 1)))
     ((not dconn)                 ;; no channel open to dbname?     
      (let* ((res (rmt:send-receive-real sinfo apath mdbname 'get-server `(,apath ,dbname))))
	(case res
	  ((server-started)
	   (if (> num-tries 0)
	       (begin
		 (thread-sleep! 2)
		 (rmt:general-open-connection sinfo apath dbname num-tries: (- num-tries 1)))
	       (begin
		 (debug:print-error 0 *default-log-port* "Failed to start servers needed or open channel to "apath", "dbname)
		 (exit 1))))
	  (else
	   (if (list? res) ;; server has been registered and the info was returned. pass it on.
	       (begin ;;  ("192.168.0.9" 53817
		      ;;  "5e34239f48e8973b3813221e54701a01" "24310"
		      ;;  "192.168.0.9"
		      ;;  "/home/matt/data/megatest/tests/simplerun"
		 ;;  ".db/1.db")
		 (match
		  res
		  ((host port servkey pid ipaddr apath dbname)
		   (debug:print-info 0 *default-log-port* "got "res)
		   (hash-table-set! conns
				    fullname
				    (make-conndat
				     apath: apath
				     dbname: dbname
				     hostport: (conc host":"port)
				     ;; socket: (open-nn-connection (conc host":"port)) ;; TODO - open ulex connection?
				     ipaddr: ipaddr
				     port: port
				     srvkey: servkey
				     lastmsg: (current-seconds)
				     expires: (+ (current-seconds)
						 (server:expiration-timeout)
						 -2))))
		  (else
		   (debug:print-info 0 *default-log-port* "return data from starting server did not match host port servkey pid ipaddr apath dbname " res)))
		 res)
	       (begin
		 (debug:print-info 0 *default-log-port* "Unexpected result: " res)
		 res)))))))
    #t))

;;======================================================================

;; FOR DEBUGGING SET TO #t
;; (define *localmode* #t)
(define *localmode* #f)
(define *dbstruct* (make-dbr:dbstruct))

;; Defaults to current area
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f))
  (let* ((apath      *toppath*)
	 (sinfo      *db-serv-info*)
	 (dbname     (db:run-id->dbname rid)))
    (if *localmode*
	(api:execute-requests *dbstruct* cmd params)
	(begin
	  (rmt:open-main-connection sinfo apath)
	  (if rid (rmt:general-open-connection sinfo apath dbname))
	  #;(if (not (member cmd '(log-to-main)))
	      (debug:print-info 0 *default-log-port* "rmt:send-receive "cmd" params="params))
	  (rmt:send-receive-real sinfo apath dbname cmd params)))))

;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future
;;
(define (rmt:send-receive-real sinfo apath dbname cmd params)
  (assert (not (eq? 'primordial (thread-name (current-thread)))) "FATAL: Do not call rmt:send-receive-real in the primodial thread.")
  (let* ((cdat (rmt:get-conn sinfo apath dbname)))
    (assert cdat "FATAL: rmt:send-receive-real called without the needed channels opened")
    (let* ((uconn    (servdat-uconn sinfo)) ;; get the interface to ulex
	   ;; then send-receive using the ulex layer to host-port stored in cdat
	   (res      (send-receive uconn (conndat-hostport cdat) cmd params))
	   #;(th1      (make-thread (lambda ()
				    (set! res (send-receive uconn (conndat-hostport cdat) cmd params)))
				  "send-receive thread")))
      ;; (thread-start! th1)
      ;; (thread-join! th1)   ;; gratuitious thread stuff is so that mailbox is not used in primordial thead
      ;; since we accessed the server we can bump the expires time up
      (conndat-expires-set! cdat (+ (current-seconds)
				    (server:expiration-timeout)
				    -10)) ;; ten second margin for network time misalignments etc.
      res)))

;; db is at apath/.db/dbname, rid is an intermediary solution and will be removed
;; sometime in the future.
;;
;; Purpose - call the main.db server and request a server be started
;; for the given area path and dbname
;;

(define (rmt:print-db-stats)
  (let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
    (debug:print 18 *default-log-port* "DB Stats, "(seconds->year-week/day-time (current-seconds))"\n=====================")
    (debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
    (for-each (lambda (cmd)
		(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
		  (debug:print 18 *default-log-port* (format #f fmtstr cmd (vector-ref cmd-dat 0) (vector-ref cmd-dat 1) (/ (vector-ref cmd-dat 1)(vector-ref cmd-dat 0))))))
	      (sort (hash-table-keys *db-stats*)
		    (lambda (a b)
		      (> (vector-ref (hash-table-ref *db-stats* a) 0)
			 (vector-ref (hash-table-ref *db-stats* b) 0)))))))

(define (rmt:get-max-query-average run-id)
  (mutex-lock! *db-stats-mutex*)
  (let* ((runkey (conc "run-id=" run-id " "))
	 (cmds   (filter (lambda (x)
			   (substring-index runkey x))
			 (hash-table-keys *db-stats*)))
	 (res    (if (null? cmds)
		     (cons 'none 0)
		     (let loop ((cmd (car cmds))
				(tal (cdr cmds))
				(max-cmd (car cmds))
				(res 0))
		       (let* ((cmd-dat (hash-table-ref *db-stats* cmd))
			      (tot     (vector-ref cmd-dat 0))
			      (curravg (/ (vector-ref cmd-dat 1) (vector-ref cmd-dat 0))) ;; count is never zero by construction
			      (currmax (max res curravg))
			      (newmax-cmd (if (> curravg res) cmd max-cmd)))
			 (if (null? tal)
			     (if (> tot 10)
				 (cons newmax-cmd currmax)
				 (cons 'none 0))
			     (loop (car tal)(cdr tal) newmax-cmd currmax)))))))
    (mutex-unlock! *db-stats-mutex*)
    res))

;; host and port are used to ensure we are remove proper records
(define (rmt:server-shutdown host port)
  (let ((dbfile   (servdat-dbfile *db-serv-info*)))
    (debug:print-info 0 *default-log-port* "dbfile is "dbfile)
    (if dbfile
	(let* ((am-server  (args:get-arg "-server"))
	       (dbfile     (args:get-arg "-db"))
	       (apath      *toppath*)
	       #;(sinfo     *remotedat*)) ;; foundation for future fix
	  (if *dbstruct-db*
	      (let* ((dbdat      (db:get-dbdat *dbstruct-db* apath dbfile))
		     (db         (dbr:dbdat-db dbdat))
		     (inmem      (dbr:dbdat-db dbdat))   ;; WRONG
		     )
		;; do a final sync here
		(debug:print-info 0 *default-log-port* "Doing final sync for "apath" "dbfile" at "(current-seconds))
		(db:sync-inmem->disk *dbstruct-db* apath dbfile force-sync: #t)
		;; let's finalize here
		(debug:print-info 0 *default-log-port* "Finalizing db and inmem")
		(if (sqlite3:database? db)
		    (sqlite3:finalize! db)
		    (debug:print-info 0 *default-log-port* "in rmt:server-shutdown, db is not a database, not finalizing..."))
		(if (sqlite3:database? inmem)
		    (sqlite3:finalize! inmem)
		    (debug:print-info 0 *default-log-port* "in rmt:server-shutdown, inmem is not a database, not finalizing..."))
		(debug:print-info 0 *default-log-port* "Finalizing db and inmem complete"))
	      (debug:print-info 0 *default-log-port* "Db was never opened, no cleanup to do."))
	  (if (not am-server)
	      (debug:print-info 0 *default-log-port* "I am not a server, should NOT get here!")
	      (if (string-match ".*/main.db$" dbfile)
		  (let ((pkt-file (conc (get-pkts-dir *toppath*)
					"/" (servdat-uuid *db-serv-info*)
					".pkt")))
		    (debug:print-info 0 *default-log-port* "removing pkt "pkt-file)
		    (delete-file* pkt-file)
		    (debug:print-info 0 *default-log-port* "Releasing lock (if any) for "dbfile ", host "host", port "port)
		    (db:with-lock-db
		     (servdat-dbfile *db-serv-info*)
		     (lambda (dbh dbfile)
		       (db:release-lock dbh dbfile host port)))) ;; I'm not the server - should not have a lock to remove
		  (let* ((sdat *db-serv-info*) ;; we have a run-id server
			 (host (servdat-host sdat))
			 (port (servdat-port sdat))
			 (uuid (servdat-uuid sdat))
			 (res  (rmt:deregister-server *db-serv-info* *toppath* host port uuid dbfile)))
		    (debug:print-info 0 *default-log-port* "deregistered-server, res="res)
		    (debug:print-info 0 *default-log-port* "deregistering server "host":"port" with uuid "uuid)
		    )))))))


(define (common:run-sync?)
    ;; (and (common:on-homehost?)
  (args:get-arg "-server"))

(define *rmt:run-mutex* (make-mutex))
(define *rmt:run-flag* #f)

;; Main entry point to start a server. was start-server
(define (rmt:run hostn)
  (mutex-lock! *rmt:run-mutex*)
  (if *rmt:run-flag*
      (begin
	(debug:print-warn 0 *default-log-port* "rmt:run already running.")
	(mutex-unlock! *rmt:run-mutex*))
      (begin
	(set! *rmt:run-flag* #t)
	(mutex-unlock! *rmt:run-mutex*)
	;;  ;; Configurations for server
	;;  (tcp-buffer-size 2048)
	;;  (max-connections 2048) 
	(debug:print 2 *default-log-port* "PID: "(current-process-id)". Attempting to start the server ...")
	(if (and *db-serv-info*
		 (servdat-uconn *db-serv-info*))
	    (let* ((uconn (servdat-uconn *db-serv-info*)))
	      (wait-and-close uconn))
	    (let* ((port            (portlogger:open-run-close portlogger:find-port))
		   (handler-proc    (lambda (rem-host-port qrykey cmd params) ;;
				      (set! *db-last-access* (current-seconds))
				      (assert (list? params) "FATAL: handler called with non-list params")
				      (assert (args:get-arg "-server") "FATAL: handler called on non-server side. cmd="cmd", params="params)
				      (debug:print 0 *default-log-port* "handler call: "cmd", params="params)
				      (api:execute-requests *dbstruct-db* cmd params))))
	      ;; (api:process-request *dbstuct-db* 
	      (if (not *db-serv-info*)
		  (set! *db-serv-info* (make-servdat host: hostn port: port)))
	      (let* ((uconn (run-listener handler-proc port))
		     (rport (udat-port uconn))) ;; the real port
		(servdat-host-set! *db-serv-info* hostn)
		(servdat-port-set! *db-serv-info* rport)
		(servdat-uconn-set! *db-serv-info* uconn)
		(wait-and-close uconn)
		(db:print-current-query-stats)
		)))
	(let* ((host (servdat-host *db-serv-info*))
	       (port (servdat-port *db-serv-info*))
	       (mode (or (servdat-mode *db-serv-info*)
			 "non-db")))
	  ;; server exit stuff here
	  ;; (rmt:server-shutdown host port) - always do in on-exit
	  ;; (portlogger:open-run-close portlogger:set-port port "released") ;; moved to on-exit 
	  (debug:print-info 0 *default-log-port* "Server "host":"port" mode "mode"shutdown complete. Exiting")
	  ))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================


;;======================================================================
;; NEW SERVER METHOD
;;======================================================================

;; only use for main.db - need to re-write some of this :(
;;
(define (get-lock-db sdat dbfile host port)
  (assert host "FATAL: get-lock-db called with host not set.")
  (assert port "FATAL: get-lock-db called with port not set.")
  (let* ((dbh (db:open-run-db dbfile db:initialize-db)) ;; open-run-db creates a standard db with schema used by all situations
	 (res (db:get-iam-server-lock dbh dbfile host port))
	 (uconn (servdat-uconn sdat)))
    ;; res => list then already locked, check server is responsive
    ;;     => #t then sucessfully got the lock
    ;;     => #f reserved for future use as to indicate something went wrong
    (match res
      ((owner_pid owner_host owner_port event_time)
       (if (server-ready? uconn (conc owner_host":"owner_port) "abc")
	   #f      ;; locked by someone else
	   (begin  ;; locked by someone dead and gone
	     (debug:print 0 *default-log-port* "WARNING: stale lock - have to steal it. This may fail.")
	     (db:steal-lock-db dbh dbfile port))))
      (#t  #t) ;; placeholder so that we don't touch res if it is #t
      (else (set! res #f)))
    (sqlite3:finalize! dbh)
    res))


(define (register-server pkts-dir pkt-spec host port servkey ipaddr dbpath)
  (let* ((pkt-dat `((host    . ,host)
		    (port    . ,port)
		    (servkey . ,servkey)
		    (pid     . ,(current-process-id))
		    (ipaddr  . ,ipaddr)
		    (dbpath  . ,dbpath)))
	 (uuid    (write-alist->pkt
		   pkts-dir
		   pkt-dat
		   pktspec: pkt-spec
		   ptype: 'server)))
    (debug:print 0 *default-log-port* "Server on "host":"port" registered in pkt "uuid)
    uuid))

(define (get-pkts-dir #!optional (apath #f))
  (let* ((effective-toppath (or *toppath* apath)))
    (assert effective-toppath
	    "ERROR: get-pkts-dir called without *toppath* set. Exiting.")
    (let* ((pdir (conc effective-toppath "/.meta/srvpkts")))
      (if (file-exists? pdir)
	  pdir
	  (begin
	    (handle-exceptions ;; this exception handler should NOT be needed but ...
		exn
		pdir
	      (create-directory pdir #t))
	    pdir)))))

;; given a pkts dir read 
;;
(define (get-all-server-pkts pktsdir-in pktspec)
  (let* ((pktsdir  (if (file-exists? pktsdir-in)
		       pktsdir-in
		       (begin
			 (create-directory pktsdir-in #t)
			 pktsdir-in)))
	 (all-pkt-files (glob (conc pktsdir "/*.pkt"))))
    (map (lambda (pkt-file)
	   (read-pkt->alist pkt-file pktspec: pktspec))
	 all-pkt-files)))

(define (server-address srv-pkt)
  (conc (alist-ref 'host srv-pkt) ":"
	(alist-ref 'port srv-pkt)))
	
(define (server-ready? uconn host-port key) ;; server-address is host:port
  (let* ((params `((cmd . ping)(key . ,key)))
	 (data `((cmd . ping)
		 (key . ,key)
		 (params . ,params))) ;; I don't get it.
	 (res  (send-receive uconn host-port 'ping data)))
    (if (eq? res 'ack) ;; yep, likely it is who we want on the other end
	res
	#f)))
;; (begin (debug:print-info 0 *default-log-port* "server-ready? => "res) #f))))

; from the pkts return servers associated with dbpath
;; NOTE: Only one can be alive - have to check on each
;;       in the list of pkts returned
;;
(define (get-viable-servers serv-pkts dbpath)
  (let loop ((tail serv-pkts)
	     (res  '()))
    (if (null? tail)
	res ;; NOTE: sort by age so oldest is considered first
	(let* ((spkt (car tail)))
	  (loop (cdr tail)
		(if (equal? dbpath (alist-ref 'dbpath spkt))
		    (cons spkt res)
		    res))))))

(define (remove-pkts-if-not-alive uconn serv-pkts)
  (filter (lambda (pkt)
	    (let* ((host (alist-ref 'host pkt))
		   (port (alist-ref 'port pkt))
		   (host-port (conc host":"port))
		   (key  (alist-ref 'servkey  pkt))
		   (pktz (alist-ref 'Z        pkt))
		   (res  (server-ready? uconn host-port key)))
	      (if res
		  res
		  (let* ((pktsdir (get-pkts-dir *toppath*))
			 (pktpath (conc pktsdir"/"pktz".pkt")))
		    (debug:print 0 *default-log-port* "WARNING: pkt with no server "pktpath)
		    (delete-file* pktpath)
		    #f))))
	  serv-pkts))

;; from viable servers get one that is alive and ready
;;
(define (get-the-server uconn apath serv-pkts)
  (let loop ((tail serv-pkts))
    (if (null? tail)
	#f
	(let* ((spkt  (car tail))
	       (host  (alist-ref 'ipaddr spkt))
	       (port  (alist-ref 'port spkt))
	       (host-port (conc host":"port))
	       (dbpth (alist-ref 'dbpath spkt))
	       (srvkey (alist-ref 'Z spkt)) ;; (alist-ref 'srvkey spkt))
	       (addr  (server-address spkt)))
	  (if (server-ready? uconn host-port srvkey)
	      spkt
	      (loop (cdr tail)))))))

;; am I the "first" in line server? I.e. my D card is smallest
;; use Z card as tie breaker
;;
(define (get-best-candidate serv-pkts dbpath)
  (if (null? serv-pkts)
      #f
      (let loop ((tail serv-pkts)
		 (best  (car serv-pkts)))
	(if (null? tail)
	    best
	    (let* ((candidate (car tail))
		   (candidate-bd (string->number (alist-ref 'D candidate)))
		   (best-bd      (string->number (alist-ref 'D best)))
		   ;; bigger number is younger
		   (candidate-z  (alist-ref 'Z candidate))
		   (best-z       (alist-ref 'Z best))
		   (new-best     (cond
				  ((> best-bd candidate-bd) ;; best is younger than candidate
				   candidate)
				  ((< best-bd candidate-bd) ;; candidate is younger than best
				   best)
				  (else
				   (if (string>=? best-z candidate-z)
				       best
				       candidate))))) ;; use Z card as tie breaker
	      (if (null? tail)
		  new-best
		  (loop (cdr tail) new-best)))))))
	  

;;======================================================================
;; END NEW SERVER METHOD
;;======================================================================

;; if .db/main.db check the pkts
;; 
(define (rmt:wait-for-server pkts-dir db-file server-key)
  (let* ((sdat *db-serv-info*))
    (let loop ((start-time (current-seconds))
	       (changed    #t)
	       (last-sdat  "not this"))
      (begin ;; let ((sdat #f))
	(thread-sleep! 0.01)
	(debug:print-info 0 *default-log-port* "Waiting for server alive signature")
	(mutex-lock! *heartbeat-mutex*)
	(set! sdat *db-serv-info*)
	(mutex-unlock! *heartbeat-mutex*)
	(if (and sdat
		 (not changed)
		 (> (- (current-seconds) start-time) 2))
	    (let* ((uconn (servdat-uconn sdat)))
	      (servdat-status-set! sdat 'iface-stable)
	      (debug:print-info 0 *default-log-port* "Received server alive signature, now attempting to lock in server")
	      ;; create a server pkt in *toppath*/.meta/srvpkts
	      
	      ;; TODO:
	      ;;   1. change sdat to stuct
	      ;;   2. add uuid to struct
	      ;;   3. update uuid in sdat here
	      ;;
	      (servdat-uuid-set! sdat
				 (register-server
				  pkts-dir *srvpktspec*
				  (get-host-name)
				  (servdat-port sdat) server-key
				  (servdat-host sdat) db-file))
	      ;; (set! *my-signature* (servdat-uuid sdat)) ;; replace with Z, no, stick with proper key
	      ;; now read pkts and see if we are a contender
	      (let* ((all-pkts     (get-all-server-pkts pkts-dir *srvpktspec*))
		     (viables      (get-viable-servers all-pkts db-file))
		     (alive        (remove-pkts-if-not-alive uconn viables))
		     (best-srv     (get-best-candidate alive db-file))
		     (best-srv-key (if best-srv (alist-ref 'servkey best-srv) #f))
		     (i-am-srv     (equal? best-srv-key server-key))
		     (delete-pkt   (lambda ()
				     (let* ((pktfile (conc (get-pkts-dir *toppath*)
							 "/" (servdat-uuid *db-serv-info*)
							 ".pkt")))
				       (debug:print-info 0 *default-log-port* "Attempting to remove bogus pkt file "pktfile)
				       (delete-file* pktfile))))) ;; remove immediately instead of waiting for on-exit
		(debug:print 0 *default-log-port* "best-srv-key: "best-srv-key", server-key: "server-key", i-am-srv: "i-am-srv)
		;; am I the best-srv, compare server-keys to know
		(if i-am-srv
		    (if (get-lock-db sdat db-file (servdat-host sdat)(servdat-port sdat)) ;; (db:get-iam-server-lock *dbstruct-db* *toppath* run-id)
			(begin
			  (debug:print-info 0 *default-log-port* "I'm the server!")
			  (servdat-dbfile-set! sdat db-file)
			  (servdat-status-set! sdat 'db-locked))
			(begin
			  (debug:print-info 0 *default-log-port* "I'm not the server, exiting.")
			  (bdat-time-to-exit-set! *bdat* #t)
			  (delete-pkt)
			  (thread-sleep! 0.2)
			  (exit)))
		    (begin
		      (debug:print-info 0 *default-log-port*
				   "Keys do not match "best-srv-key", "server-key", exiting.")
		      (bdat-time-to-exit-set! *bdat* #t)
		      (delete-pkt)
		      (thread-sleep! 0.2)
		      (exit)))
		sdat))
	    (begin ;; sdat not yet contains server info
	      (debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
	      (sleep 4)
	      (if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
		  (begin
		    (debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
		    (exit))
		  (loop start-time
			(equal? sdat last-sdat)
			sdat))))))))

(define (rmt:register-server sinfo apath iface port server-key dbname)
  (servdat-conns sinfo) ;; just checking types
  (rmt:open-main-connection sinfo apath) ;; we need a channel to main.db
  (rmt:send-receive-real sinfo apath      ;; params: host port servkey pid ipaddr dbpath
			 (db:run-id->dbname #f)
			 'register-server `(,iface
					    ,port
					    ,server-key
					    ,(current-process-id)
					    ,iface
					    ,apath
					    ,dbname)))

(define (rmt:get-count-servers sinfo apath)
  (servdat-conns sinfo) ;; just checking types
  (rmt:open-main-connection sinfo apath) ;; we need a channel to main.db
  (rmt:send-receive-real sinfo apath      ;; params: host port servkey pid ipaddr dbpath
			 (db:run-id->dbname #f)
			 'get-count-servers `(,apath)))

(define (rmt:get-servers-info apath)
  (rmt:send-receive 'get-servers-info #f `(,apath)))

(define (rmt:deregister-server db-serv-info apath iface port server-key dbname)
  (rmt:open-main-connection db-serv-info apath) ;; we need a channel to main.db
  (rmt:send-receive-real db-serv-info apath      ;; params: host port servkey pid ipaddr dbpath
                         (db:run-id->dbname #f)
                         'deregister-server `(,iface
                                              ,port
                                              ,server-key
                                              ,(current-process-id)
                                              ,iface
                                              ,apath
                                              ,dbname)))

(define (rmt:wait-for-stable-interface #!optional (num-tries-allowed 100))
  ;; wait until *db-serv-info* stops changing
  (let* ((stime (current-seconds)))
    (let loop ((last-host  #f)
	       (last-port  #f)
	       (tries 0))
      (let* ((curr-host (and *db-serv-info* (servdat-host *db-serv-info*)))
	     (curr-port (and *db-serv-info* (servdat-port *db-serv-info*))))
	;; first we verify port and interface, update *db-serv-info* in need be.
	(cond
	 ((> tries num-tries-allowed)
	  (debug:print 0 *default-log-port* "rmt:keep-running, giving up after trying for several minutes.")
	  (exit 1))
	 ((not *db-serv-info*)
	  (thread-sleep! 0.25)
	  (loop curr-host curr-port (+ tries 1)))
	 ((or (not last-host)(not last-port))
	  (debug:print 0 *default-log-port* "rmt:keep-running, still no interface, tries="tries)
	  (thread-sleep! 0.25)
	  (loop curr-host curr-port (+ tries 1)))
	 ((or (not (equal? last-host curr-host))
	      (not (equal? last-port curr-port)))
	  (debug:print-info 0 *default-log-port* "WARNING: interface changed, refreshing iface and port info")
	  (thread-sleep! 0.25)
	  (loop curr-host curr-port (+ tries 1)))
	 ((< (- (current-seconds) stime) 1) ;; keep up the looping until at least 3 seconds have passed
	  (thread-sleep! 0.5)
	  (loop curr-host curr-port (+ tries 1)))
	 (else
	  (rmt:get-signature) ;; sets *my-signature* as side effect
	  (servdat-status-set! *db-serv-info* 'interface-stable)
	  (debug:print 0 *default-log-port*
		       "SERVER STARTED: " curr-host
		       ":" curr-port
		       " AT " (current-seconds) " server signature: " *my-signature*
		       " with "(servdat-trynum *db-serv-info*)" port changes")
	  (flush-output *default-log-port*)
	  #t))))))

;; run rmt:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (rmt:keep-running dbname) 
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")

  (let* ((sinfo             *db-serv-info*)
	 (server-start-time (current-seconds))
	 (pkts-dir          (get-pkts-dir))
	 (server-key        (rmt:get-signature)) ;; This servers key
	 (is-main           (equal? (args:get-arg "-db") ".db/main.db"))
	 (last-access       0)
	 (server-timeout    (server:expiration-timeout))
	 (shutdown-server-sequence (lambda (host port)
				     (set! *unclean-shutdown* #f) ;; Should not be needed anymore
				     (debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
				     ;; (rmt:server-shutdown host port) -- called in on-exit
				     ;; (portlogger:open-run-close portlogger:set-port port "released") called in on-exit
				     (exit)))
	 (timed-out?        (lambda ()
			      (<= (+ last-access server-timeout)
				  (current-seconds)))))
    (servdat-dbfile-set! *db-serv-info* (args:get-arg "-db"))
    ;; main and run db servers have both got wait logic (could/should merge it)
    (if is-main
	(rmt:wait-for-server pkts-dir dbname server-key)
	(rmt:wait-for-stable-interface))
    ;; this is our forever loop
    (let* ((iface (servdat-host *db-serv-info*))
	   (port  (servdat-port *db-serv-info*))
	   (uconn (servdat-uconn *db-serv-info*)))
      (let loop ((count          0)
		 (bad-sync-count 0)
		 (start-time     (current-milliseconds)))
	(if (and (not is-main)
		 (common:low-noise-print 60 "servdat-status"))
	    (debug:print-info 0 *default-log-port* "servdat-status is " (servdat-status *db-serv-info*)))

	(mutex-lock! *heartbeat-mutex*)
	;; set up the database handle
	(if (not *dbstruct-db*) ;; no db opened yet, open the db and register with main if appropriate
	      (let ((watchdog (bdat-watchdog *bdat*)))
		(debug:print 0 *default-log-port* "SERVER: dbprep")
		(db:setup dbname) ;; sets *dbstruct-db* as side effect
		(servdat-status-set! *db-serv-info* 'db-opened)
		;; IFF I'm not main, call into main and register self
		(if (not is-main)
		    (let ((res (rmt:register-server sinfo
						    *toppath* iface port
						    server-key dbname)))
		      (if res ;; we are the server
			  (servdat-status-set! *db-serv-info* 'have-interface-and-db)
			  ;; now check that the db locker is alive, clear it out if not
			  (let* ((serv-info (rmt:server-info *toppath* dbname)))
			    (match serv-info
				   ((host port servkey pid ipaddr apath dbpath)
				    (if (not (server-ready? uconn (conc host":"port) servkey))
					(begin
					  (debug:print-info 0 *default-log-port* "Server registered but not alive. Removing and trying again.")
					  (rmt:deregister-server sinfo apath host port servkey dbpath) ;; servkey pid ipaddr apath dbpath)
					  (loop (+ count 1) bad-sync-count start-time))))
				   (else
				    (debug:print 0 *default-log-port* "We are not the server for "dbname", exiting. Server info is: "serv-info)
				    (exit)))))))
		(debug:print 0 *default-log-port*
			     "SERVER: running, db "dbname" opened, megatest version: "
			   (common:get-full-version))
	      ;; start the watchdog

	      ;; is this really needed?
	      
	      #;(if watchdog
		  (if (not (member (thread-state watchdog)
				   '(ready running blocked
					   sleeping dead)))
		      (begin
			(debug:print-info 0 *default-log-port* "Starting watchdog thread (in state "(thread-state watchdog)")")
			(thread-start! watchdog))
		      (debug:print-info 0 *default-log-port* "Not starting watchdog thread (in state "(thread-state watchdog)")"))
		  (debug:print 0 *default-log-port* "ERROR: *watchdog* not setup, cannot start it."))
	      #;(loop (+ count 1) bad-sync-count start-time)
	      ))
	
	(db:sync-inmem->disk *dbstruct-db* *toppath* dbname force-sync: #t)
	
	(mutex-unlock! *heartbeat-mutex*)
	
	;; when things go wrong we don't want to be doing the various
	;; queries too often so we strive to run this stuff only every
	;; four seconds or so.
	(let* ((sync-time (- (current-milliseconds) start-time))
	       (rem-time  (quotient (- 4000 sync-time) 1000)))
	  (if (and (<= rem-time 4)
		   (>  rem-time 0))
	      (thread-sleep! rem-time)))
    
	;; Transfer *db-last-access* to last-access to use in checking that we are still alive
	(set! last-access *db-last-access*)
	
	(if (< count 1) ;; 3x3 = 9 secs aprox
	    (loop (+ count 1) bad-sync-count (current-milliseconds)))
	
	(if (common:low-noise-print 60 "dbstats")
	    (begin
	      (debug:print 0 *default-log-port* "Server stats:")
	      (db:print-current-query-stats)))
	(let* ((hrs-since-start  (/ (- (current-seconds) server-start-time) 3600)))
	  (cond
	   ((not *server-run*)
	    (debug:print-info 0 *default-log-port* "*server-run* set to #f. Shutting down.")
	    (shutdown-server-sequence (get-host-name) port))
	   ((timed-out?)
	    (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
	    (shutdown-server-sequence (get-host-name) port))
	   ((and *server-run*
		 (or (not (timed-out?))
		     (if is-main ;; do not exit if there are other servers (keep main open until all others gone)
			 (> (rmt:get-count-servers sinfo *toppath*) 1)
			 #f)))
	    (if (common:low-noise-print 120 "server continuing")
		(debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access)))
	    (loop 0 bad-sync-count (current-milliseconds)))
	   (else
	    (set! *unclean-shutdown* #f)
	    (debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
	    (shutdown-server-sequence (get-host-name) port)
	    #;(debug:print-info 0 *default-log-port* "Sending 'quit to server, received: "
			      (open-send-receive-nn (conc iface":"port)      ;; do this here and not in server-shutdown
						    (sexpr->string 'quit))))))))))

(define (rmt:get-reasonable-hostname)
  (let* ((inhost (or (args:get-arg "-server") "-")))
    (if (equal? inhost "-")
	(get-host-name)
	inhost)))

;; Call this to start the actual server
;;
;; all routes though here end in exit ...
;;
;; This is the point at which servers are started
;;
(define (rmt:server-launch dbname)
  (debug:print-info 0 *default-log-port* "Entered rmt:server-launch")
  (let* ((th2 (make-thread (lambda ()
			     (debug:print-info 0 *default-log-port* "Server run thread started")
			     (rmt:run (rmt:get-reasonable-hostname)))
			   "Server run"))
	 (th3 (make-thread (lambda ()
			     (debug:print-info 0 *default-log-port* "Server monitor thread started")
			     (if (args:get-arg "-server")
				 (rmt:keep-running dbname)))
			     "Keep running")))
    (thread-start! th2)
    (thread-sleep! 0.252) ;; give the server time to settle before starting the keep-running monitor.
    (thread-start! th3)
    (set! *didsomething* #t)
    (thread-join! th2)
    (thread-join! th3))
  #f)
	    
;;======================================================================
;;  S E R V E R   -  D I R E C T   C A L L S
;;======================================================================

(define (rmt:kill-server run-id)
  (rmt:send-receive 'kill-server #f (list run-id)))

(define (rmt:start-server run-id)
  (rmt:send-receive 'start-server #f (list run-id)))

(define (rmt:server-info apath dbname)
  (rmt:send-receive 'get-server-info #f (list apath dbname)))

;;======================================================================
;; Nanomsg transport
;;======================================================================

#;(define (is-port-in-use port-num)
  (let* ((ret #f))
    (let-values (((inp oup pid)
		  (process "netstat" (list  "-tulpn" ))))
      (let loop ((inl (read-line inp)))
        (if (not (eof-object? inl))
            (begin 
	      (if (string-search (regexp (conc ":" port-num)) inl)
		  (begin
					;(print "Output: "  inl)
		    (set! ret  #t))
		  (loop (read-line inp)))))))
    ret))

#;(define (open-nn-connection host-port)
  (let ((req  (make-req-socket))
        (uri  (conc "tcp://" host-port)))
    (nng-dial req uri)
    (socket-set! req 'nng/recvtimeo 2000)
    req))

#;(define (send-receive-nn req msg)
  (nng-send req msg)
  (nng-recv req))

#;(define (close-nn-connection req)
  (nng-close! req))
  
;; ;; open connection to server, send message, close connection
;; ;;
;; (define (open-send-close-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
;;   (let ((req  (make-req-socket 'req))
;;         (uri  (conc "tcp://" host-port))
;;         (res  #f)
;;         ;; (contacts (alist-ref 'contact attrib))
;;         ;; (mode (alist-ref 'mode attrib))
;; 	)
;;     (socket-set! req 'nng/recvtimeo 2000)
;;     (handle-exceptions
;;      exn
;;      (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
;;        ;; Send notification       
;;        (debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\"" )
;;        #f)
;;      (nng-dial req uri)
;;      ;; (print "Connected to the server " )
;;      (nng-send req msg)
;;      ;; (print "Request Sent")  
;;      (let* ((th1  (make-thread (lambda ()
;;                                  (let ((resp (nng-recv req)))
;;                                    (nng-close! req)
;;                                    (set! res (if (equal? resp "ok")
;;                                                  #t
;;                                                  #f))))
;;                                "recv thread"))
;;             (th2 (make-thread (lambda ()
;;                                 (thread-sleep! timeout)
;;                                 (thread-terminate! th1))
;; 			      "timer thread")))
;;        (thread-start! th1)
;;        (thread-start! th2)
;;        (thread-join! th1)
;;        res))))
;; 
#;(define (open-send-receive-nn host-port msg #!key (timeout 3) ) ;; default timeout is 3 seconds
  (let ((req  (make-req-socket))
        (uri  (conc "tcp://" host-port))
        (res  #f)) 
    (handle-exceptions
     exn
     (let ((emsg ((condition-property-accessor 'exn 'message) exn)))
       ;; Send notification      
       (debug:print 0 *default-log-port* "ERROR: Failed to connect / send to " uri " message was \"" emsg "\", exn=" exn)
       #f)
     (nng-dial req uri)
     (nng-send req msg)
     (let* ((th1  (make-thread (lambda ()
                                 (let ((resp (nng-recv req)))
                                   (nng-close! req)
                                   ;; (print resp)
                                   (set! res resp)))
                               "recv thread"))
            (th2 (make-thread (lambda ()
                                (thread-sleep! timeout)
                                (thread-terminate! th1))
                             "timer thread")))
       (thread-start! th1)
       (thread-start! th2)
       (thread-join! th1)
       res))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; run ping in separate process, safest way in some cases
;;
#;(define (server:ping-server ifaceport)
  (with-input-from-pipe 
   (conc (common:get-megatest-exe) " -ping " ifaceport)
   (lambda ()
     (let loop ((inl (read-line))
		(res "NOREPLY"))
       (if (eof-object? inl)
	   (case (string->symbol res)
	     ((NOREPLY)  #f)
	     ((LOGIN_OK) #t)
	     (else       #f))
	   (loop (read-line) inl))))))

;; NOT USED (well, ok, reference in rpc-transport but otherwise not used).
;;
#;(define (server:login toppath)
  (lambda (toppath)
    (set! *db-last-access* (current-seconds)) ;; might not be needed.
    (if (equal? *toppath* toppath)
	#t
	#f)))

;; (define server:sync-lock-token "SERVER_SYNC_LOCK")
;; (define (server:release-sync-lock)
;;   (db:no-sync-del! *no-sync-db* server:sync-lock-token))
;; (define (server:have-sync-lock?)
;;   (let* ((have-lock-pair (db:no-sync-get-lock *no-sync-db* server:sync-lock-token))
;;          (have-lock?     (car have-lock-pair))
;;          (lock-time      (cdr have-lock-pair))
;;          (lock-age       (- (current-seconds) lock-time)))
;;     (cond
;;      (have-lock? #t)
;;      ((>lock-age
;;        (* 3 (configf:lookup-number *configdat* "server" "minimum-intersync-delay" default: 180)))
;;       (server:release-sync-lock)
;;       (server:have-sync-lock?))
;;      (else #f))))

)

Modified ulex/ulex.scm from [42b648b50c] to [c73b8e0289].

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;; ulex: Distributed sqlite3 db
;;;
;; Copyright (C) 2018 Matt Welland
;; Redistribution and use in source and binary forms, with or without
;; modification, is permitted.
;;
;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE


|







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;; ulex: Distributed sqlite3 db
;;;
;; Copyright (C) 2018-2021 Matt Welland
;; Redistribution and use in source and binary forms, with or without
;; modification, is permitted.
;;
;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
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;; ABOUT:
;;   See README in the distribution at https://www.kiatoa.com/fossils/ulex
;; NOTES:
;;   Why sql-de-lite and not say, dbi?  - performance mostly, then simplicity.
;;
;;======================================================================

(use mailbox)


(module ulex

 *




(import scheme posix chicken data-structures ports extras files mailbox)
(import srfi-18 pkts matchable regex
	typed-records srfi-69 srfi-1


	srfi-4 regex-case

	(prefix sqlite3 sqlite3:)

	foreign
	tcp6
	;; ulex-netutil


	hostinfo
	)



;; make it a global? Well, it is local to area module




(define *captain-pktspec*
  `((captain (host     . h)
	     (port     . p)
	     (pid      . i)
	     (ipaddr   . a)






	     )
    #;(data   (hostname . h)  ;; sender hostname
	    (port     . p)  ;; sender port
	    (ipaddr   . a)  ;; sender ip
	    (hostkey  . k)  ;; sending host key - store info at server under this key

	    (servkey  . s)  ;; server key - this needs to match at server end or reject the msg









	    (format   . f)  ;; sb=serialized-base64, t=text, sx=sexpr, j=json
	    (data     . d)  ;; base64 encoded slln data
	    )))



;; struct for keeping track of our world



(defstruct udat
  ;; captain info
  (captain-address #f)
  (captain-host    #f)
  (captain-port    #f)
  (captain-pid     #f)
  (captain-lease   0)    ;; time (unix epoc) seconds when the lease is up




  (ulex-dir        (conc (get-environment-variable "HOME") "/.ulex"))
  (cpkts-dir       (conc (get-environment-variable "HOME") "/.ulex/pkts"))
  (cpkt-spec       *captain-pktspec*)
  ;; this processes info
  (my-cpkt-key     #f)   ;; put Z card here when I create a pkt for myself as captain

  (my-address      #f)
  (my-hostname     #f)


  (my-port         #f)

  (my-pid          (current-process-id))




  (my-dbs          '())
  ;; server and handler thread
  (serv-listener   #f)                 ;; this processes server info
  (handler-thread  #f)






  (mboxes          (make-hash-table))  ;; key => mbox

  ;; other servers

  (peers           (make-hash-table))  ;; host-port => peer record
  (dbowners        (make-hash-table))  ;; dbfile => host-port
  (handlers        (make-hash-table))  ;; dbfile => proc
  ;; (outgoing-conns  (make-hash-table))  ;; host:port -> conn
  (work-queue      (make-queue))       ;; most stuff goes here
  ;; (fast-queue      (make-queue))       ;; super quick stuff goes here (e.g. ping)
  (busy            #f)                 ;; is either of the queues busy, use to switch between queuing tasks or doing immediately


  ;; app info

  (appname         #f)
  (dbtypes         (make-hash-table))  ;; this should be an alist but hash is easier. dbtype => [ initproc syncproc ]
  ;; cookies


  (cnum            0) ;; cookie num
  )

;;======================================================================
;; NEW APPROACH
;;======================================================================





;;  start-server-find-port  ;; gotta have a server port ready from the very begining


;; udata    - all the connection info, captain, server, ulex db etc. MUST BE PASSED IN
;; dbpath   - full path and filename of the db to talk to or a symbol naming the db?
;; callname - the remote call to execute
;; params   - parameters to pass to the remote call
;;
(define (remote-call udata dbpath dbtype callname . params)


  (start-server-find-port udata) ;; ensure we have a local server
  (find-or-setup-captain udata)

  ;; look at connect, process-request, send, send-receive
  (let-values (((cookie-key host-port)(get-db-owner udata dbpath dbtype)))
    (send-receive udata host-port callname cookie-key params)))

;;======================================================================
;; KEY FUNCTIONS - THESE ARE TOO BE EXPOSED AND USED
;;======================================================================














;; connection setup and management functions


















;; This is the basic setup command. Must always be



;; called before connecting to a db using connect.



;;

;; find or become the captain
;; setup and return a ulex object


;;
(define (find-or-setup-captain udata)
  ;; see if we already have a captain and if the lease is ok
  (if (and (udat-captain-address udata)
	   (udat-captain-port    udata)
	   (< (current-seconds) (udat-captain-lease udata)))
      udata
      (let* ((cpkts (get-all-captain-pkts udata)) ;; read captain pkts
	     (captn (get-winning-pkt cpkts)))
	(if captn
	    (let* ((port   (alist-ref 'port   captn))
		   (host   (alist-ref 'host   captn))
		   (ipaddr (alist-ref 'ipaddr captn))
		   (pid    (alist-ref 'pid    captn))
		   (Z      (alist-ref 'Z      captn)))
	      (udat-captain-address-set! udata ipaddr)
	      (udat-captain-host-set!    udata host)
	      (udat-captain-port-set!    udata port)
	      (udat-captain-pid-set!     udata pid)
	      (udat-captain-lease-set!   udata (+ (current-seconds) 10))
	      (let-values (((success pingtime)(ping udata (conc ipaddr ":" port))))
		(if success
		    udata
		    (begin
		      (print "Found unreachable captain at " ipaddr ":" port ", removing pkt")
		      (remove-captain-pkt udata captn)
		      (find-or-setup-captain udata))))
	      (begin
		(setup-as-captain udata)  ;; this saves the thread to captain-thread and starts the thread
		(find-or-setup-captain udata)))))))

;; connect to a specific dbfile
;;   - if already connected - return the dbowner host-port
;;   - ask the captain who to talk to for this db
;;   - put the entry in the dbowners hash as dbfile => host-port
;;
(define (connect udata dbfname dbtype)
  (or (hash-table-ref/default (udat-dbowners udata) dbfname #f)
      (let-values (((success dbowner-host-port)(get-db-owner udata dbfname dbtype)))







	(if success
	    (begin
	      ;; just clobber the record, this is the new data no matter what
	      (hash-table-set! (udat-dbowners udata) dbfname dbowner-host-port)

	      dbowner-host-port)








	    #f))))






;; returns: success pingtime
;;
;; NOTE: causes the callee to store the info on this host along with the dbs this host currently owns
;;
(define (ping udata host-port)


  (let* ((start  (current-milliseconds))





	 (cookie (make-cookie udata))

	 (dbs    (udat-my-dbs udata))







	 (msg    (string-intersperse dbs " "))
	 (res (send udata host-port 'ping cookie msg retval: #t))



	 (delta (- (current-milliseconds) start)))
    (values (equal? res cookie) delta)))

















;; returns: success pingtime
;;




;; NOTE: causes all references to this worker to be wiped out in the
;; callee (ususally the captain)


;;
(define (goodbye-ping udata host-port)
  (let* ((start  (current-milliseconds))
	 (cookie (make-cookie udata))

	 (dbs    (udat-my-dbs udata))


	 (res (send udata host-port 'goodbye cookie "nomsg" retval: #t))
	 (delta (- (current-milliseconds) start)))
    (values (equal? res cookie) delta)))


(define (goodbye-captain udata)
  (let* ((host-port (udat-captain-host-port udata)))

    (if host-port
	(goodbye-ping udata host-port)

	(values #f -1))))







(define (get-db-owner udata dbname dbtype)
  (let* ((host-port (udat-captain-host-port udata)))

    (if host-port

	(let* ((cookie (make-cookie udata))

	       (msg    #f) ;; (conc dbname " " dbtype))
	       (params `(,dbname ,dbtype))
	       (res    (send udata host-port 'db-owner cookie msg
			     params: params retval: #t)))




	  (match (string-split res)
	    ((retcookie owner-host-port)
	     (values (equal? retcookie cookie) owner-host-port))))
	(values #f -1))))





;; called in ulex-handler to dispatch work, called on the workers side
;;     calls (proc params data)
;;     returns result with cookie
;;
;; pdat is the info of the caller, used to send the result data


;; prockey is key into udat-handlers hash dereferencing a proc
;; procparam is a first param handed to proc - often to do further derefrencing

;; NOTE: params is intended to be a list of strings, encoding on data


















;;       is up to the user but data must be a single line

;;
(define (process-request udata pdat dbname cookie prockey procparam data)
  (let* ((dbrec (ulex-open-db udata dbname))     ;; this will be a dbconn record, looks for in udata first
	 (proc  (hash-table-ref udata prockey)))
    (let* ((result (proc dbrec procparam data)))
      result)))













;; remote-request - send to remote to process in process-request
;; uconn comes from a call to connect and can be used instead of calling connect again








;; uconn is the host-port to call

;; we send dbname to the worker so they know which file to open
;; data must be a string with no newlines, it will be handed to the proc

;; at the remote site unchanged. It is up to the user to encode/decode it's contents
;;
;;   rtype: immediate, read-only, normal, low-priority
;; 
(define (remote-request udata uconn rtype dbname prockey procparam data)
  (let* ((cookie    (make-cookie udata)))
    (send-receive udata uconn rtype cookie data `(,prockey procparam))))

(define (ulex-open-db udata dbname)
  #f)


;;======================================================================
;; Ulex db
;;
;;   - track who is captain, lease expire time
;;   - track who owns what db, lease
;;

;;======================================================================

;;
;;
(define (ulex-dbfname)
  (let ((dbdir (conc (get-environment-variable "HOME") "/.ulex")))





    (if (not (file-exists? dbdir))

	(create-directory dbdir #t))
    (conc dbdir "/network.db")))



	 
;; always goes in ~/.ulex/network.db
;; role is captain, adjutant, node

;;
(define (ulexdb-setup)




  (let* ((dbfname (ulex-dbfname))


	 (have-db (file-exists? dbfname))
	 (db      (sqlite3:open-database dbfname)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    (sqlite3:execute db "PRAGMA synchronous = 0;")
    (if (not have-db)
	(sqlite3:with-transaction
	 db
	 (lambda ()
	   (for-each
	    (lambda (stmt)
	      (if stmt (sqlite3:execute db stmt)))
	    `("CREATE TABLE IF NOT EXISTS nodes
                 (id INTEGER PRIMARY KEY,
                  role  TEXT NOT NULL,
                  host  TEXT NOT NULL,
                  port TEXT NOT NULL,
                  ipadr TEXT NOT NULL,
                  pid   INTEGER NOT NULL,
                  zcard TEXT NOT NULL,

                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  lease_thru INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	      "CREATE TRIGGER  IF NOT EXISTS update_nodes_trigger AFTER UPDATE ON nodes
                             FOR EACH ROW
                               BEGIN 

                                 UPDATE nodes SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;"










	      "CREATE TABLE IF NOT EXISTS dbs
                 (id INTEGER PRIMARY KEY,
                  dbname TEXT NOT NULL,
                  dbfile TEXT NOT NULL,
                  dbtype TEXT NOT NULL,

                  host_port TEXT NOT NULL,
                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  lease_thru INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	      "CREATE TRIGGER  IF NOT EXISTS update_dbs_trigger AFTER UPDATE ON dbs
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE dbs SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;


                               END;")))))


    db))



(define (get-host-port-lease db dbfname)
  (sqlite3:fold-row

   (lambda (rem host-port lease-thru)





     (list host-port lease-thru))
   #f db "SELECT host_port,lease_thru FROM dbs WHERE dbfile = ?" dbfname))


  
(define (register-captain db host ipadr port pid zcard #!key (lease 20))
  (let* ((dbfname (ulex-dbfname))
	 (host-port  (conc host ":" port)))

    (sqlite3:with-transaction

     db
     (lambda ()

       (match (get-host-port-lease db dbfname)
	 ((host-port lease-thru)
	  (if (> (current-seconds) lease-thru)
	      (begin
		(sqlite3:execute db "UPDATE dbs SET host_port=?,lease_thru=? WHERE dbname=?"
				 (conc host ":" port)
				 (+ (current-seconds) lease)
				 dbfname)


		#t)







	      #f))
	 (#f  (sqlite3:execute db "INSERT INTO dbs (dbname,dbfile,dbtype,host_port,lease_thru) VALUES (?,?,?,?,?)"


			       "captain" dbfname "captain" host-port (+ (current-seconds) lease)))
	 (else (print "ERROR: Unrecognised result from fold-row")

	       (exit 1)))))))
							    
;;======================================================================
;; network utilities
;;======================================================================



(define (rate-ip ipaddr)
  (regex-case ipaddr
    ( "^127\\..*" _ 0 )
    ( "^(10\\.0|192\\.168)\\..*" _ 1 )
    ( else 2 ) ))

;; Change this to bias for addresses with a reasonable broadcast value?
;;
(define (ip-pref-less? a b)
  (> (rate-ip a) (rate-ip b)))
  

(define (get-my-best-address)
  (let ((all-my-addresses (get-all-ips))
        ;;(all-my-addresses-old (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name)))))
        )
    (cond
     ((null? all-my-addresses)
      (get-host-name))                                          ;; no interfaces?
     ((eq? (length all-my-addresses) 1)
      (car all-my-addresses))                      ;; only one to choose from, just go with it
     
     (else
      (car (sort all-my-addresses ip-pref-less?)))
     ;; (else 
     ;;  (ip->string (car (filter (lambda (x)                      ;; take any but 127.
     ;;    			 (not (eq? (u8vector-ref x 0) 127)))
     ;;    		       all-my-addresses))))

     )))

(define (get-all-ips-sorted)
  (sort (get-all-ips) ip-pref-less?))

(define (get-all-ips)
  (map ip->string (vector->list 
		   (hostinfo-addresses
		    (host-information (current-hostname))))))

(define (udat-my-host-port udata)
  (if (and (udat-my-address udata)(udat-my-port udata))
      (conc (udat-my-address udata) ":" (udat-my-port udata))
      #f))

(define (udat-captain-host-port udata)
  (if (and (udat-captain-address udata)(udat-captain-port udata))
      (conc (udat-captain-address udata) ":" (udat-captain-port udata))
      #f))

(define (udat-get-peer udata host-port)
  (hash-table-ref/default (udat-peers udata) host-port #f))

;; struct for keeping track of others we are talking to

(defstruct peer
  (addr-port       #f)
  (hostname        #f)
  (pid             #f)
  ;; (inp             #f)
  ;; (oup             #f)
  (dbs            '()) ;; list of databases this peer is currently handling
  )

(defstruct work
  (peer-dat   #f)
  (handlerkey #f)
  (qrykey     #f)
  (data       #f)
  (start      (current-milliseconds)))

#;(defstruct dbowner
  (pdat        #f)
  (last-update (current-seconds)))

;;======================================================================
;; Captain functions
;;======================================================================

;; NB// This needs to be started in a thread
;;
;; setup to be a captain
;;   - local server MUST be started already
;;   - create pkt
;;   - start server port handler
;;
(define (setup-as-captain udata)
  (if (create-captain-pkt udata)
      (let* ((my-addr (udat-my-address udata))
	     (my-port (udat-my-port    udata))
	     (th (make-thread (lambda ()
				(ulex-handler-loop udata)) "Captain handler")))
	(udat-handler-thread-set! udata th)
	(udat-captain-address-set! udata my-addr)
	(udat-captain-port-set!    udata my-port)
	(thread-start! th))
      (begin
	(print "ERROR: failed to create captain pkt")
	#f)))

;; given a pkts dir read 
;;
(define (get-all-captain-pkts udata)
  (let* ((pktsdir       (let ((d (udat-cpkts-dir udata)))
			  (if (file-exists? d)
			      d
			      (begin
				(create-directory d #t)
				d))))
	 (all-pkt-files (glob (conc pktsdir "/*.pkt")))
	 (pkt-spec      (udat-cpkt-spec udata)))
    (map (lambda (pkt-file)
	   (read-pkt->alist pkt-file pktspec: pkt-spec))
	 all-pkt-files)))

;; sort by D then Z, return one, choose the oldest then
;; differentiate if needed using the Z key
;;l
(define (get-winning-pkt pkts)
  (if (null? pkts)
      #f
      (car (sort pkts (lambda (a b)
			(let ((ad (string->number (alist-ref 'D a)))
			      (bd (string->number (alist-ref 'D b))))
			  (if (eq? a b)
			      (let ((az (alist-ref 'Z a))
				    (bz (alist-ref 'Z b)))
				(string>=? az bz))
			      (> ad bd))))))))

;; put the host, ip, port and pid into a pkt in
;; the captain pkts dir
;;  - assumes user has already fired up a server
;;    which will be in the udata struct
;;
(define (create-captain-pkt udata)
  (if (not (udat-serv-listener udata))
      (begin
	(print "ERROR: create-captain-pkt called with out a listener")
	#f)
      (let* ((pktdat `((port   . ,(udat-my-port udata))
		       (host   . ,(udat-my-hostname udata))
		       (ipaddr . ,(udat-my-address udata))
		       (pid    . ,(udat-my-pid     udata))))
	     (pktdir  (udat-cpkts-dir udata))
	     (pktspec (udat-cpkt-spec udata))
	     )
	(udat-my-cpkt-key-set!
	 udata
	 (write-alist->pkt
	  pktdir
	  pktdat
	  pktspec: pktspec
	  ptype:   'captain))
	(udat-my-cpkt-key udata))))

;; remove pkt associated with captn (the Z key .pkt)
;;
(define (remove-captain-pkt udata captn)
  (let ((Z       (alist-ref 'Z captn))
	(cpktdir (udat-cpkts-dir udata)))
    (delete-file* (conc cpktdir "/" Z ".pkt"))))

;; call all known peers and tell them to delete their info on the captain
;; thus forcing them to re-read pkts and connect to a new captain
;; call this when the captain needs to exit and if an older captain is
;; detected. Due to delays in sending file meta data in NFS multiple
;; captains can be initiated in a "Storm of Captains", book soon to be
;; on Amazon
;;
(define (drop-captain udata)
  (let* ((peers (hash-table-keys (udat-peers udata)))
	 (cookie (make-cookie udata)))
    (for-each
     (lambda (host-port)
       (send udata host-port 'dropcaptain cookie "nomsg" retval: #t))
     peers)))

;;======================================================================
;; server primitives
;;======================================================================

(define (make-cookie udata)
  (let ((newcnum (+ (udat-cnum udata) 1)))
    (udat-cnum-set! udata newcnum)
    (conc (udat-my-address udata) ":"
	  (udat-my-port    udata) "-"
	  (udat-my-pid     udata) "-"
	  newcnum)))

;; create a tcp listener and return a populated udat struct with
;; my port, address, hostname, pid etc.
;; return #f if fail to find a port to allocate.
;;
;;  if udata-in is #f create the record
;;  if there is already a serv-listener return the udata
;;
(define (start-server-find-port udata-in #!optional (port 4242))
  (let ((udata (or udata-in (make-udat))))
    (if (udat-serv-listener udata) ;; TODO - add check that the listener is alive and ready?
	udata
	(handle-exceptions
	    exn
	  (if (< port 65535)
	      (start-server-find-port udata (+ port 1))
	      #f)
	  (connect-server udata port)))))

(define (connect-server udata port)
  ;; (tcp-listener-socket LISTENER)(socket-name so)
  ;; sockaddr-address, sockaddr-port, sockaddr->string
  (let* ((tlsn (tcp-listen port 1000 #f)) ;; (tcp-listen TCPPORT [BACKLOG [HOST]])
	 (addr (get-my-best-address))) ;; (hostinfo-addresses (host-information (current-hostname)))
    (udat-my-address-set!    udata addr)
    (udat-my-port-set!       udata port)
    (udat-my-hostname-set!   udata (get-host-name))
    (udat-serv-listener-set! udata tlsn)
    udata))

(define (get-peer-dat udata host-port #!optional (hostname #f)(pid #f))
  (let* ((pdat (or (udat-get-peer udata host-port)
		   (handle-exceptions ;; ERROR - MAKE THIS EXCEPTION HANDLER MORE SPECIFIC
		    exn
		    #f
		    (let ((npdat (make-peer addr-port: host-port)))
		      (if hostname (peer-hostname-set! npdat hostname))
		      (if pid (peer-pid-set! npdat pid))
		      npdat)))))
    pdat))

;; send structured data to recipient
;;
;;  NOTE: qrykey is what was called the "cookie" previously
;;
;;     retval tells send to expect and wait for return data (one line) and return it or time out
;;       this is for ping where we don't want to necessarily have set up our own server yet.
;;
(define (send udata host-port handler qrykey data
	      #!key (hostname #f)(pid #f)(params '())(retval #f))
  (let* ((my-host-port (udat-my-host-port udata))
	 (isme         (equal? host-port my-host-port)) ;; am I calling
							;; myself?
	 (dat          (list
			handler              ;; " "
			my-host-port         ;; " "
			(udat-my-pid  udata) ;; " "
			qrykey
			params ;;(if (null? params) "" (conc " "
			       ;;(string-intersperse params " ")))
			)))
    ;; (print "send isme is " (if isme "true!" "false!") ",
    ;; my-host-port: " my-host-port ", host-port: " host-port)
    (if isme
	(ulex-handler udata dat data)
	(handle-exceptions ;; ERROR - MAKE THIS EXCEPTION HANDLER MORE
			   ;; SPECIFIC
	    exn
	    #f 
	  (let-values (((inp oup)(tcp-connect host-port)))
	    ;;
	    ;; CONTROL LINE:
	    ;;    handlerkey host:port pid qrykey params ...
	    ;;
	    (let ((res
		   (if (and inp oup)
		       (let* ()
			 (if my-host-port
			     (begin
			       (write dat  oup)
			       (write data oup) ;; send as sexpr
			       ;; (print "Sent dat: " dat " data: " data)
			       (if retval
				   (read inp)
				   #t))
			     (begin
			       (print "ERROR: send called but no receiver has been setup. Please call setup first!")
			       #f))
			 ;; NOTE: DO NOT BE TEMPTED TO LOOK AT ANY DATA ON INP HERE!
			 ;;       (there is a listener for handling that)
			 )
		       #f))) ;; #f means failed to connect and send
	      (close-input-port inp)
	      (close-output-port oup)
	      res))))))

;; send a request to the given host-port and register a mailbox in udata
;; wait for the mailbox data and return it
;;
(define (send-receive udata host-port handler qrykey data #!key (hostname #f)(pid #f)(params '())(timeout 20))
  (let ((mbox      (make-mailbox))
	(mbox-time (current-milliseconds))
	(mboxes    (udat-mboxes udata)))
    (hash-table-set! mboxes qrykey mbox)
    (if (send udata host-port handler qrykey data hostname: hostname pid: pid params: params)
	(let* ((mbox-timeout-secs    timeout)
	       (mbox-timeout-result 'MBOX_TIMEOUT)
	       (res                  (mailbox-receive! mbox mbox-timeout-secs mbox-timeout-result))
	       (mbox-receive-time    (current-milliseconds)))
	  (hash-table-delete! mboxes qrykey)
	  (if (eq? res 'MBOX_TIMEOUT)
	      #f
	      res))
	#f))) ;; #f means failed to communicate

;; 
(define (ulex-handler udata controldat data)
  (print "controldat: " controldat " data: " data)
  (match controldat ;;  (string-split controldat)
    ((handlerkey host-port pid qrykey params ...)
     ;; (print "handlerkey: " handlerkey " host-port: " host-port " pid: " pid " qrykey: " qrykey " params: " params)
     (case handlerkey ;; (string->symbol handlerkey)
       ((ack)(print "Got ack!"))
       ((ping) ;; special case - return result immediately on the same connection
	(let* ((proc  (hash-table-ref/default (udat-handlers udata) 'ping #f))
	       (val   (if proc (proc) "gotping"))
	       (peer  (make-peer addr-port: host-port pid: pid))
	       (dbshash (udat-dbowners udata)))
	  (peer-dbs-set! peer params) ;; params for ping is list of dbs owned by pinger
	  (for-each (lambda (dbfile)
		      (hash-table-set! dbshash dbfile host-port)) ;; WRONG?
		    params) ;; register each db in the dbshash
	  (if (not (hash-table-exists? (udat-peers udata) host-port))
	      (hash-table-set! (udat-peers udata) host-port peer)) ;; save the details of this caller in peers
	  qrykey)) ;; End of ping
       ((goodbye)
	;; remove all traces of the caller in db ownership etc.
	(let* ((peer  (hash-table-ref/default (udat-peers udata) host-port #f))
	       (dbs   (if peer (peer-dbs peer) '()))
	       (dbshash (udat-dbowners udata)))
	  (for-each (lambda (dbfile)(hash-table-delete! dbshash dbfile)) dbs)
	  (hash-table-delete! (udat-peers udata) host-port)
	  qrykey))
       ((dropcaptain)
	;; remove all traces of the captain
	(udat-captain-address-set! udata #f)
	(udat-captain-host-set!    udata #f)
	(udat-captain-port-set!    udata #f)
	(udat-captain-pid-set!     udata #f)
	qrykey)
       ((rucaptain) ;; remote is asking if I'm the captain
	(if (udat-my-cpkt-key udata) "yes" "no"))
       ((db-owner) ;; given a db name who do I send my queries to
	;; look up the file in handlers, if have an entry ping them to be sure
	;; they are still alive and then return that host:port.
	;; if no handler found or if the ping fails pick from peers the oldest that
	;; is managing the fewest dbs
	(match params
	  ((dbfile dbtype)
	   (let* ((owner-host-port (hash-table-ref/default (udat-dbowners udata) dbfile #f)))
	     (if owner-host-port
		 (conc qrykey " " owner-host-port)
		 (let* ((pdat (or (hash-table-ref/default (udat-peers udata) host-port #f) ;; no owner - caller gets to own it!
				  (make-peer addr-port: host-port pid: pid dbs: `(,dbfile)))))
		   (hash-table-set! (udat-peers udata) host-port pdat)
		   (hash-table-set! (udat-dbowners udata) dbfile host-port)
		   (conc qrykey " " host-port)))))
	  (else (conc qrykey " BADDATA"))))
       ;; for work items:
       ;;    handler is one of; immediate, read-only, read-write, high-priority
       ((immediate read-only normal low-priority) ;; do this work immediately
	;; host-port (caller), pid (caller), qrykey (cookie), params <= all from first line
	;; data => a single line encoded however you want, or should I build json into it?
	(print "handlerkey=" handlerkey)
	(let* ((pdat (get-peer-dat udata host-port)))
	  (match params ;; dbfile prockey procparam
	    ((dbfile prockey procparam)
	     (case handlerkey
	       ((immediate read-only)
		(process-request udata pdat dbfile qrykey prockey procparam data))
	       ((normal low-priority) ;; split off later and add logic to support low priority
		(add-to-work-queue udata pdat dbfile qrykey prockey procparam data))
	       (else
		#f)))
	    (else
	     (print "INFO: params=" params " handlerkey=" handlerkey " controldat=" controldat)
	     #f))))
       (else
	;; (add-to-work-queue udata (get-peer-dat udata host-port) handlerkey qrykey data)
	#f)))
    (else
     (print "BAD DATA? controldat=" controldat " data=" data)
     #f)));; handles the incoming messages and dispatches to queues

;;
(define (ulex-handler-loop udata)
  (let* ((serv-listener (udat-serv-listener udata)))
    ;; data comes as two lines
    ;;   handlerkey resp-addr:resp-port hostname pid qrykey [dbpath/dbfile.db]
    ;;   data
    (let loop ((state 'start))
      (let-values (((inp oup)(tcp-accept serv-listener)))
	(let* ((controldat (read inp))
	       (data       (read inp))
	       (resp       (ulex-handler udata controldat data)))
	  (if resp (write resp oup))
	  (close-input-port inp)
	  (close-output-port oup))
	(loop state)))))

;; add a proc to the handler list, these are done symetrically (i.e. in all instances)
;; so that the proc can be dereferenced remotely
;;
(define (register-handler udata key proc)
  (hash-table-set! (udat-handlers udata) key proc))


;;======================================================================
;; work queues
;;======================================================================

(define (add-to-work-queue udata peer-dat handlerkey qrykey data)
  (let ((wdat (make-work peer-dat: peer-dat handlerkey: handlerkey qrykey: qrykey data: data)))
    (if (udat-busy udata)
	(queue-add! (udat-work-queue udata) wdat)
	(process-work udata wdat)) ;; passing in wdat tells process-work to first process the passed in wdat
    ))

(define (do-work udata wdat)
  #f)

(define (process-work udata #!optional wdat)
  (if wdat (do-work udata wdat)) ;; process wdat
  (let ((wqueue (udat-work-queue udata)))
    (if (not (queue-empty? wqueue))
	(let loop ((wd (queue-remove! wqueue)))
	  (do-work udata wd)
	  (if (not (queue-empty? wqueue))
	      (loop (queue-remove! wqueue)))))))

;;======================================================================
;; Generic db handling
;;   setup a inmem db instance
;;   open connection to on-disk db
;;   sync on-disk db to inmem
;;   get lock in on-disk db for dbowner of this db
;;   put sync-proc, init-proc, on-disk handle, inmem handle in dbconn stuct
;;   return the stuct
;;======================================================================

(defstruct dbconn
  (fname  #f)
  (inmem  #f)
  (conn   #f)
  (sync   #f) ;; sync proc
  (init   #f) ;; init proc
  (lastsync (current-seconds))
  )

(defstruct dbinfo
  (initproc #f)
  (syncproc #f))

;; open inmem and disk database
;;   init with initproc
;;   return db struct
;;
;;   appname; megatest, ulex or something else.
;;
(define (setup-db-connection udata fname-in appname dbtype)
  (let* ((is-ulex (eq? appname 'ulex))
	 (dbinf   (if is-ulex ;; ulex is a built-in special case
		      (make-dbinfo initproc: ulexdb-init syncproc: ulexdb-sync)
		      (hash-table-ref/default (udat-dbtypes udata) dbtype #f)))
	 (initproc (dbinfo-initproc dbinf))
	 (syncproc (dbinfo-syncproc dbinf))
	 (fname   (if is-ulex
		      (conc (udat-ulex-dir udata) "/ulex.db")
		      fname-in))
	 (inmem-db (open-and-initdb udata #f 'inmem (dbinfo-initproc dbinf)))
	 (disk-db  (open-and-initdb udata fname 'disk (dbinfo-initproc dbinf))))
    (make-dbconn inmem: inmem-db conn: disk-db sync: syncproc init: initproc)))

;; dest='inmem or 'disk
;;
(define (open-and-initdb udata filename dest init-proc)
  (let* ((inmem    (eq? dest 'inmem))
	 (dbfile   (if inmem
		       ":INMEM:"
		       filename))
	 (dbexists (if inmem #t (file-exists? dbfile)))
	 (db       (sqlite3:open-database dbfile)))
    (sqlite3:set-busy-handler! db (sqlite3:make-busy-timeout 136000))
    (if (not dbexists)
	(init-proc db))
    db))


;;======================================================================
;; Previous Ulex db stuff
;;======================================================================

(define (ulexdb-init db inmem)
  (sqlite3:with-transaction
   db
   (lambda ()
     (for-each
      (lambda (stmt)
	(if stmt (sqlite3:execute db stmt)))
      `("CREATE TABLE IF NOT EXISTS processes 
                 (id INTEGER PRIMARY KEY,
                  host  TEXT NOT NULL,
                  ipadr TEXT NOT NULL,
                  port  INTEGER NOT NULL,
                  pid   INTEGER NOT NULL,
                  regtime INTEGER DEFAULT (strftime('%s','now')),
                  last_update INTEGER DEFAULT (strftime('%s','now')));"
	(if inmem
	    "CREATE TRIGGER  IF NOT EXISTS update_proces_trigger AFTER UPDATE ON processes
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE processes SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;"
	    #f))))))

;; open databases, do initial sync
(define (ulexdb-sync dbconndat udata)
  #f)


) ;; END OF ULEX


;;; ;;======================================================================
;;; ;; D E B U G   H E L P E R S
;;; ;;======================================================================
;;;     
;;; (define (dbg> . args)
;;;   (with-output-to-port (current-error-port)
;;;     (lambda ()
;;;       (apply print "dbg> " args))))
;;; 
;;; (define (debug-pp . args)
;;;   (if (get-environment-variable "ULEX_DEBUG")
;;;       (with-output-to-port (current-error-port)
;;; 	(lambda ()
;;; 	  (apply pp args)))))
;;; 
;;; (define *default-debug-port* (current-error-port))
;;; 
;;; (define (sdbg> fn stage-name stage-start stage-end start-time . message)
;;;   (if (get-environment-variable "ULEX_DEBUG")
;;;       (with-output-to-port *default-debug-port* 
;;; 	(lambda ()
;;; 	  (apply print "ulex:" fn " " stage-name " took " (- (if stage-end stage-end (current-milliseconds)) stage-start) " ms. "
;;; 		 (if start-time
;;; 		     (conc "total time " (- (current-milliseconds) start-time)
;;; 			   " ms.")
;;; 		     "")
;;; 		 message
;;; 		 )))))

;;======================================================================
;; M A C R O S
;;======================================================================
;; iup callbacks are not dumping the stack, this is a work-around
;;

;; Some of these routines use:
;;
;;     http://www.cs.toronto.edu/~gfb/scheme/simple-macros.html
;;
;; Syntax for defining macros in a simple style similar to function definiton,
;;  when there is a single pattern for the argument list and there are no keywords.
;;
;; (define-simple-syntax (name arg ...) body ...)
;;
;; 
;; (define-syntax define-simple-syntax
;;   (syntax-rules ()
;;     ((_ (name arg ...) body ...)
;;      (define-syntax name (syntax-rules () ((name arg ...) (begin body ...)))))))
;; 
;; (define-simple-syntax (catch-and-dump proc procname)
;;   (handle-exceptions
;;    exn
;;    (begin
;;      (print-call-chain (current-error-port))
;;      (with-output-to-port (current-error-port)
;;        (lambda ()
;;          (print ((condition-property-accessor 'exn 'message) exn))
;;          (print "Callback error in " procname)
;;          (print "Full condition info:\n" (condition->list exn)))))
;;    (proc)))
;; 
;; 
;;======================================================================
;;  R E C O R D S
;;======================================================================

;;; ;; information about me as a server
;;; ;;
;;; (defstruct area
;;;   ;; about this area
;;;   (useportlogger #f)
;;;   (lowport       32768)
;;;   (server-type   'auto)  ;; auto=create up to five servers/pkts, main=create pkts, passive=no pkt (unless there are no pkts at all)
;;;   (conn          #f)
;;;   (port          #f)
;;;   (myaddr        (get-my-best-address))
;;;   pktid          ;; get pkt from hosts table if needed
;;;   pktfile
;;;   pktsdir
;;;   dbdir
;;;   (dbhandles     (make-hash-table)) ;; fname => list-of-dbh, NOTE: Should really never need more than one?
;;;   (mutex         (make-mutex))
;;;   (rtable        (make-hash-table)) ;; registration table of available actions
;;;   (dbs           (make-hash-table)) ;; filename => random number, used for choosing what dbs I serve
;;;   ;; about other servers
;;;   (hosts         (make-hash-table)) ;; key => hostdat
;;;   (hoststats     (make-hash-table)) ;; key => alist of fname => ( qcount . qtime )
;;;   (reqs          (make-hash-table)) ;; uri => queue
;;;   ;; work queues
;;;   (wqueues       (make-hash-table)) ;; fname => qdat
;;;   (stats         (make-hash-table)) ;; fname => totalqueries
;;;   (last-srvup    (current-seconds)) ;; last time we updated the known servers
;;;   (cookie2mbox   (make-hash-table)) ;; map cookie for outstanding request to mailbox of awaiting call
;;;   (ready #f)
;;;   (health        (make-hash-table)) ;; ipaddr:port => num failed pings since last good ping
;;;   )
;;; 
;;; ;; host stats
;;; ;;
;;; (defstruct hostdat
;;;   (pkt      #f)
;;;   (dbload   (make-hash-table))  ;; "dbfile.db" => queries/min
;;;   (hostload #f)                 ;; normalized load ( 5min load / numcpus )
;;;   )
;;; 
;;; ;; dbdat
;;; ;;
;;; (defstruct dbdat
;;;   (dbh    #f)
;;;   (fname  #f)
;;;   (write-access #f)
;;;   (sths   (make-hash-table))  ;; hash mapping query strings to handles
;;;   )
;;; 
;;; ;; qdat
;;; ;;
;;; (defstruct qdat
;;;   (writeq  (make-queue))
;;;   (readq   (make-queue))
;;;   (rwq     (make-queue))
;;;   (logq    (make-queue)) ;; do we need a queue for logging? yes, if we use sqlite3 db for logging
;;;   (osshort (make-queue))
;;;   (oslong  (make-queue))
;;;   (misc    (make-queue)) ;; used for things like ping-full
;;;   )
;;; 
;;; ;; calldat
;;; ;;
;;; (defstruct calldat
;;;   (ctype 'dbwrite)
;;;   (obj   #f)              ;; this would normally be an SQL statement e.g. SELECT, INSERT etc.
;;;   (rtime (current-milliseconds)))
;;; 
;;; ;; make it a global? Well, it is local to area module
;;; 
;;; (define *pktspec*
;;;   `((server (hostname . h)
;;; 	    (port     . p)
;;; 	    (pid      . i)
;;; 	    (ipaddr   . a)
;;; 	    )
;;;     (data   (hostname . h)  ;; sender hostname
;;; 	    (port     . p)  ;; sender port
;;; 	    (ipaddr   . a)  ;; sender ip
;;; 	    (hostkey  . k)  ;; sending host key - store info at server under this key
;;; 	    (servkey  . s)  ;; server key - this needs to match at server end or reject the msg
;;; 	    (format   . f)  ;; sb=serialized-base64, t=text, sx=sexpr, j=json
;;; 	    (data     . d)  ;; base64 encoded slln data
;;; 	    )))
;;; 
;;; ;; work item
;;; ;;
;;; (defstruct witem
;;;   (rhost #f)   ;; return host
;;;   (ripaddr #f) ;; return ipaddr
;;;   (rport #f)   ;; return port
;;;   (servkey #f) ;; the packet representing the client of this workitem, used by final send-message
;;;   (rdat  #f)   ;; the request - usually an sql query, type is rdat
;;;   (action #f)  ;; the action: immediate, dbwrite, dbread,oslong, osshort
;;;   (cookie #f)  ;; cookie id for response
;;;   (data   #f)  ;; the data payload, i.e. parameters
;;;   (result #f)  ;; the result from processing the data
;;;   (caller #f)) ;; the calling peer according to rpc itself
;;; 
;;; (define (trim-pktid pktid)
;;;   (if (string? pktid)
;;;       (substring pktid 0 4)
;;;       "nopkt"))
;;; 
;;; (define (any->number num)
;;;   (cond
;;;    ((number? num) num)
;;;    ((string? num) (string->number num))
;;;    (else num)))
;;; 
;;; (use trace)
;;; (trace-call-sites #t)
;;; 
;;; ;;======================================================================
;;; ;; D A T A B A S E   H A N D L I N G 
;;; ;;======================================================================
;;; 
;;; ;; look in dbhandles for a db, return it, else return #f
;;; ;;
;;; (define (get-dbh acfg fname)
;;;   (let ((dbh-lst (hash-table-ref/default (area-dbhandles acfg) fname '())))
;;;     (if (null? dbh-lst)
;;; 	(begin
;;; 	  ;; (print "opening db for " fname)
;;; 	  (open-db acfg fname)) ;; Note that the handles get put back in the queue in the save-dbh calls
;;; 	(let ((rem-lst (cdr dbh-lst)))
;;; 	  ;; (print "re-using saved connection for " fname)
;;; 	  (hash-table-set! (area-dbhandles acfg) fname rem-lst)
;;; 	  (car dbh-lst)))))
;;; 
;;; (define (save-dbh acfg fname dbdat)
;;;     ;; (print "saving dbh for " fname)
;;;     (hash-table-set! (area-dbhandles acfg) fname (cons dbdat (hash-table-ref/default (area-dbhandles acfg) fname '()))))
;;; 
;;; ;; open the database, if never before opened init it. put the handle in the
;;; ;; open db's hash table
;;; ;; returns: the dbdat
;;; ;;
;;; (define (open-db acfg fname)
;;;   (let* ((fullname     (conc (area-dbdir acfg) "/" fname))
;;; 	 (exists       (file-exists? fullname))
;;; 	 (write-access (if exists
;;; 			   (file-write-access? fullname)
;;; 			   (file-write-access? (area-dbdir acfg))))
;;; 	 (db           (sqlite3:open-database fullname))
;;; 	 (handler      (sqlite3:make-busy-timeout 136000))
;;; 	 )
;;;     (sqlite3:set-busy-handler! db handler)
;;;     (sqlite3:execute db "PRAGMA synchronous = 0;")
;;;     (if (not exists) ;; need to init the db
;;; 	(if write-access
;;; 	    (let ((isql (get-rsql acfg 'dbinitsql))) ;; get the init sql statements
;;; 	      ;; (sqlite3:with-transaction
;;; 	      ;;  db
;;; 	      ;;  (lambda ()
;;; 		 (if isql
;;; 		     (for-each
;;; 		      (lambda (sql)
;;; 			(sqlite3:execute db sql))
;;; 		      isql)))
;;; 	    (print "ERROR: no write access to " (area-dbdir acfg))))
;;;     (make-dbdat dbh: db fname: fname write-access: write-access)))
;;; 
;;; ;; This is a low-level command to retrieve or to prepare, save and return a prepared statment
;;; ;; you must extract the db handle
;;; ;;
;;; (define (get-sth db cache stmt)
;;;   (if (hash-table-exists? cache stmt)
;;;       (begin
;;; 	;; (print "Reusing cached stmt for " stmt)
;;; 	(hash-table-ref/default cache stmt #f))
;;;       (let ((sth (sqlite3:prepare db stmt)))
;;; 	(hash-table-set! cache stmt sth)
;;; 	;; (print "prepared stmt for " stmt)
;;; 	sth)))
;;; 
;;; ;; a little more expensive but does all the tedious deferencing - only use if you don't already
;;; ;; have dbdat and db sitting around
;;; ;;
;;; (define (full-get-sth acfg fname stmt)
;;;   (let* ((dbdat  (get-dbh acfg fname))
;;; 	 (db     (dbdat-dbh dbdat))
;;; 	 (sths   (dbdat-sths dbdat)))
;;;     (get-sth db sths stmt)))
;;; 
;;; ;; write to a db
;;; ;; acfg: area data
;;; ;; rdat: request data
;;; ;; hdat: (host . port)
;;; ;;
;;; ;; (define (dbwrite acfg rdat hdat data-in)
;;; ;;   (let* ((dbname (car data-in))
;;; ;; 	 (dbdat  (get-dbh acfg dbname))
;;; ;; 	 (db     (dbdat-dbh dbdat))
;;; ;; 	 (sths   (dbdat-sths dbdat))
;;; ;; 	 (stmt   (calldat-obj rdat))
;;; ;; 	 (sth    (get-sth db sths stmt))
;;; ;; 	 (data   (cdr data-in)))
;;; ;;     (print "dbname: " dbname " acfg: " acfg " rdat: " (calldat->alist rdat) " hdat: " hdat " data: " data)
;;; ;;     (print "dbdat: " (dbdat->alist dbdat))
;;; ;;     (apply sqlite3:execute sth data)
;;; ;;     (save-dbh acfg dbname dbdat)
;;; ;;     #t
;;; ;;     ))
;;; 
;;; (define (finalize-all-db-handles acfg)
;;;   (let* ((dbhandles (area-dbhandles acfg))  ;; dbhandles is hash of fname ==> dbdat
;;; 	 (num       0))
;;;     (for-each
;;;      (lambda (area-name)
;;;        (print "Closing handles for " area-name)
;;;        (let ((dbdats (hash-table-ref/default dbhandles area-name '())))
;;; 	 (for-each
;;; 	  (lambda (dbdat)
;;; 	    ;; first close all statement handles
;;; 	    (for-each
;;; 	     (lambda (sth)
;;; 	       (sqlite3:finalize! sth)
;;; 	       (set! num (+ num 1)))
;;; 	     (hash-table-values (dbdat-sths dbdat)))
;;; 	    ;; now close the dbh
;;; 	    (set! num (+ num 1))
;;; 	    (sqlite3:finalize! (dbdat-dbh dbdat)))
;;; 	  dbdats)))
;;;      (hash-table-keys dbhandles))
;;;     (print "FINALIZED " num " dbhandles")))
;;; 
;;; ;;======================================================================
;;; ;; W O R K   Q U E U E   H A N D L I N G 
;;; ;;======================================================================
;;; 
;;; (define (register-db-as-mine acfg dbname)
;;;   (let ((ht (area-dbs acfg)))
;;;     (if (not (hash-table-ref/default ht dbname #f))
;;; 	(hash-table-set! ht dbname (random 10000)))))
;;; 	
;;; (define (work-queue-add acfg fname witem)
;;;   (let* ((work-queue-start (current-milliseconds))
;;; 	 (action           (witem-action witem)) ;; NB the action is the index into the rdat actions
;;; 	 (qdat             (or (hash-table-ref/default (area-wqueues acfg) fname #f)
;;; 			       (let ((newqdat (make-qdat)))
;;; 				 (hash-table-set! (area-wqueues acfg) fname newqdat)
;;; 				 newqdat)))
;;; 	 (rdat             (hash-table-ref/default (area-rtable acfg) action #f)))
;;;     (if rdat
;;; 	(queue-add!
;;; 	 (case (calldat-ctype rdat)
;;; 	   ((dbwrite)   (register-db-as-mine acfg fname)(qdat-writeq qdat))
;;; 	   ((dbread)    (register-db-as-mine acfg fname)(qdat-readq  qdat))
;;; 	   ((dbrw)      (register-db-as-mine acfg fname)(qdat-rwq    qdat))
;;; 	   ((oslong)    (qdat-oslong qdat))
;;; 	   ((osshort)   (qdat-osshort qdat))
;;; 	   ((full-ping) (qdat-misc  qdat))
;;; 	   (else
;;; 	    (print "ERROR: no queue for " action ". Adding to dbwrite queue.")
;;; 	    (qdat-writeq qdat)))
;;; 	 witem)
;;; 	(case action
;;; 	  ((full-ping)(qdat-misc qdat))
;;; 	  (else
;;; 	   (print "ERROR: No action " action " was registered"))))
;;;     (sdbg> "work-queue-add" "queue-add" work-queue-start #f #f)
;;;     #t)) ;; for now, simply return #t to indicate request got to the queue
;;; 
;;; (define (doqueue acfg q fname dbdat dbh)
;;;   ;; (print "doqueue: " fname)
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (qlen       (queue-length q)))
;;;     (if (> qlen 1)
;;; 	(print "Processing queue of length " qlen))
;;;     (let loop ((count      0)
;;; 	       (responses '()))
;;;       (let ((delta (- (current-milliseconds) start-time)))
;;; 	(if (or (queue-empty? q)
;;; 		(> delta 400)) ;; stop working on this queue after 400ms have passed
;;; 	    (list count delta responses) ;; return count, delta and responses list
;;; 	    (let* ((witem  (queue-remove! q))
;;; 		   (action (witem-action witem))
;;; 		   (rdat   (witem-rdat   witem))
;;; 		   (stmt   (calldat-obj rdat))
;;; 		   (sth    (full-get-sth acfg fname stmt))
;;; 		   (ctype  (calldat-ctype rdat))
;;; 		   (data   (witem-data   witem))
;;; 		   (cookie (witem-cookie witem)))
;;; 	      ;; do the processing and save the result in witem-result
;;; 	      (witem-result-set!
;;; 	       witem
;;; 	       (case ctype ;; action
;;; 		 ((noblockwrite) ;; blind write, no ack of success returned
;;; 		  (apply sqlite3:execute sth data)
;;; 		  (sqlite3:last-insert-rowid dbh))
;;; 		 ((dbwrite)      ;; blocking write   
;;; 		  (apply sqlite3:execute sth data)
;;; 		  #t)
;;; 		 ((dbread) ;; TODO: consider breaking this up and shipping in pieces for large query
;;; 		  (apply sqlite3:map-row (lambda x x) sth data))
;;; 		 ((full-ping)  'full-ping)
;;; 		 (else (print "Not ready for action " action) #f)))
;;; 	      (loop (add1 count)
;;; 		    (if cookie
;;; 			(cons witem responses)
;;; 			responses))))))))
;;; 
;;; ;; do up to 400ms of processing on each queue
;;; ;; - the work-queue-processor will allow the max 1200ms of work to complete but it will flag as overloaded
;;; ;; 
;;; (define (process-db-queries acfg fname)
;;;   (if (hash-table-exists? (area-wqueues acfg) fname)
;;;       (let* ((process-db-queries-start-time (current-milliseconds))
;;; 	     (qdat             (hash-table-ref/default (area-wqueues acfg) fname #f))
;;; 	     (queue-sym->queue (lambda (queue-sym)
;;; 				 (case queue-sym  ;; lookup the queue from qdat given a name (symbol)
;;; 				   ((wqueue)  (qdat-writeq qdat))
;;; 				   ((rqueue)  (qdat-readq  qdat))
;;; 				   ((rwqueue) (qdat-rwq    qdat))
;;; 				   ((misc)    (qdat-misc   qdat))
;;; 				   (else #f))))
;;; 	     (dbdat   (get-dbh acfg fname))
;;; 	     (dbh     (if (dbdat? dbdat)(dbdat-dbh dbdat) #f))
;;; 	     (nowtime (current-seconds)))
;;; 	;; handle the queues that require a transaction
;;; 	;;
;;; 	(map ;; 
;;; 	 (lambda (queue-sym)
;;; 	   ;; (print "processing queue " queue-sym)
;;; 	   (let* ((queue (queue-sym->queue queue-sym)))
;;; 	     (if (not (queue-empty? queue))
;;; 		 (let ((responses
;;; 			(sqlite3:with-transaction ;; todo - catch exceptions...
;;; 			 dbh
;;; 			 (lambda ()
;;; 			   (let* ((res (doqueue acfg queue fname dbdat dbh))) ;; this does the work!
;;; 			     ;; (print "res=" res)
;;; 			     (match res
;;; 			      ((count delta responses)
;;; 			       (update-stats acfg fname queue-sym delta count)
;;; 			       (sdbg> "process-db-queries" "sqlite3-transaction" process-db-queries-start-time #f #f)
;;; 			       responses) ;; return responses
;;; 			      (else
;;; 			       (print "ERROR: bad return data from doqueue " res)))
;;; 			     )))))
;;; 		   ;; having completed the transaction, send the responses.
;;; 		   ;; (print "INFO: sending " (length responses) " responses.")
;;; 		   (let loop ((responses-left responses))
;;; 		     (cond
;;; 		      ((null? responses-left)  #t)
;;; 		      (else
;;; 		       (let* ((witem    (car responses-left))
;;; 			      (response (cdr responses-left)))  
;;; 			 (call-deliver-response acfg (witem-ripaddr witem)(witem-rport witem)
;;; 						(witem-cookie witem)(witem-result witem)))
;;; 		       (loop (cdr responses-left))))))
;;; 		 )))
;;; 	 '(wqueue rwqueue rqueue))
;;; 	
;;; 	;; handle misc queue
;;; 	;;
;;; 	;; (print "processing misc queue")
;;; 	(let ((queue (queue-sym->queue 'misc)))
;;; 	  (doqueue acfg queue fname dbdat dbh))
;;; 	;; ....
;;; 	(save-dbh acfg fname dbdat)
;;; 	#t ;; just to let the tests know we got here
;;; 	)
;;;       #f ;; nothing processed
;;;       ))
;;; 
;;; ;; run all queues in parallel per db but sequentially per queue for that db.
;;; ;;  - process the queues every 500 or so ms
;;; ;;  - allow for long running queries to continue but all other activities for that
;;; ;;    db will be blocked.
;;; ;;
;;; (define (work-queue-processor acfg)
;;;   (let* ((threads (make-hash-table))) ;; fname => thread
;;;     (let loop ((fnames      (hash-table-keys (area-wqueues acfg)))
;;; 	       (target-time (+ (current-milliseconds) 50)))
;;;       ;;(if (not (null? fnames))(print "Processing for these databases: " fnames))
;;;       (for-each
;;;        (lambda (fname)
;;; 	 ;; (print "processing for " fname)
;;; 	 ;;(process-db-queries acfg fname))
;;; 	 (let ((th (hash-table-ref/default threads fname #f)))
;;; 	   (if (and th (not (member (thread-state th) '(dead terminated))))
;;; 	       (begin
;;; 		 (print "WARNING: worker thread for " fname " is taking a long time.")
;;; 		 (print "Thread is in state " (thread-state th)))
;;; 	       (let ((th1 (make-thread (lambda ()
;;; 					 ;; (catch-and-dump
;;; 					 ;;  (lambda ()
;;; 					    ;; (print "Process queries for " fname)
;;; 					    (let ((start-time (current-milliseconds)))
;;; 					      (process-db-queries acfg fname)
;;; 					      ;; (thread-sleep! 0.01) ;; need the thread to take at least some time
;;; 					      (hash-table-delete! threads fname)) ;; no mutexes?
;;; 					    fname)
;;; 					  "th1"))) ;; ))
;;; 		 (hash-table-set! threads fname th1)
;;; 		 (thread-start! th1)))))
;;;        fnames)
;;;       ;; (thread-sleep! 0.1) ;; give the threads some time to process requests
;;;       ;; burn time until 400ms is up
;;;       (let ((now-time (current-milliseconds)))
;;; 	(if (< now-time target-time)
;;; 	    (let ((delta (- target-time now-time)))
;;; 	      (thread-sleep! (/ delta 1000)))))
;;;       (loop (hash-table-keys (area-wqueues acfg))
;;; 	    (+ (current-milliseconds) 50)))))
;;; 
;;; ;;======================================================================
;;; ;; S T A T S   G A T H E R I N G
;;; ;;======================================================================
;;; 
;;; (defstruct stat
;;;   (qcount-avg  0)                  ;; coarse running average
;;;   (qtime-avg   0)                  ;; coarse running average
;;;   (qcount      0)                  ;; total
;;;   (qtime       0)                  ;; total
;;;   (last-qcount 0)                  ;; last 
;;;   (last-qtime  0)                  ;; last
;;;   (dbs        '())                 ;; list of db files handled by this node
;;;   (when        0))                 ;; when the last query happened - seconds
;;; 
;;; 
;;; (define (update-stats acfg fname bucket duration numqueries)
;;;   (let* ((key   fname) ;; for now do not use bucket. Was: (conc fname "-" bucket)) ;; lazy but good enough
;;; 	 (stats (or (hash-table-ref/default (area-stats acfg) key #f)
;;; 		    (let ((newstats (make-stat)))
;;; 		      (hash-table-set! (area-stats acfg) key newstats)
;;; 		      newstats))))
;;;     ;; when the last query happended (used to remove the fname from the active list)
;;;     (stat-when-set! stats (current-seconds))
;;;     ;; last values
;;;     (stat-last-qcount-set! stats numqueries)
;;;     (stat-last-qtime-set!  stats duration)
;;;     ;; total over process lifetime
;;;     (stat-qcount-set! stats (+ (stat-qcount stats) numqueries))
;;;     (stat-qtime-set!  stats (+ (stat-qtime  stats) duration))
;;;     ;; coarse average
;;;     (stat-qcount-avg-set! stats (/ (+ (stat-qcount-avg stats) numqueries) 2))
;;;     (stat-qtime-avg-set!  stats (/ (+ (stat-qtime-avg  stats) duration)   2))
;;; 
;;;     ;; here is where we add the stats for a given dbfile
;;;     (if (not (member fname (stat-dbs stats)))
;;; 	(stat-dbs-set! stats (cons fname (stat-dbs stats))))
;;; 
;;;     ))
;;; 
;;; ;;======================================================================
;;; ;; S E R V E R   S T U F F 
;;; ;;======================================================================
;;; 
;;; ;; this does NOT return!
;;; ;;
;;; (define (find-free-port-and-open acfg)
;;;   (let ((port (or (area-port acfg) 3200)))
;;;     (handle-exceptions
;;; 	exn
;;; 	(begin
;;; 	  (print "INFO: cannot bind to port " (rpc:default-server-port) ", trying next port")
;;; 	  (area-port-set! acfg (+ port 1))
;;; 	  (find-free-port-and-open acfg))
;;;       (rpc:default-server-port port)
;;;       (area-port-set! acfg port)
;;;       (tcp-read-timeout 120000)
;;;       ;; ((rpc:make-server (tcp-listen port)) #t)
;;;       (tcp-listen (rpc:default-server-port)
;;;       ))))
;;; 
;;; ;; register this node by putting a packet into the pkts dir.
;;; ;; look for other servers
;;; ;; contact other servers and compile list of servers
;;; ;; there are two types of server
;;; ;;     main servers - dashboards, runners and dedicated servers - need pkt
;;; ;;     passive servers - test executers, step calls, list-runs - no pkt
;;; ;;
;;; (define (register-node acfg hostip port-num)
;;;   ;;(mutex-lock! (area-mutex acfg))
;;;   (let* ((server-type  (area-server-type acfg)) ;; auto, main, passive (no pkt created)
;;; 	 (best-ip      (or hostip (get-my-best-address)))
;;; 	 (mtdir        (area-dbdir acfg))
;;; 	 (pktdir       (area-pktsdir acfg))) ;; conc mtdir "/.server-pkts")))
;;;     (print "Registering node " best-ip ":" port-num)
;;;     (if (not mtdir) ;; require a home for this node to put or find databases
;;; 	#f
;;; 	(begin
;;; 	  (if  (not (directory? pktdir))(create-directory pktdir))
;;; 	  ;; server is started, now create pkt if needed
;;; 	  (print "Starting server in " server-type " mode with port " port-num)
;;; 	  (if (member server-type '(auto main)) ;; TODO: if auto, count number of servers registers, if > 3 then don't put out a pkt
;;; 	      (begin
;;; 		(area-pktid-set! acfg
;;; 				 (write-alist->pkt
;;; 				  pktdir 
;;; 				  `((hostname . ,(get-host-name))
;;; 				    (ipaddr   . ,best-ip)
;;; 				    (port     . ,port-num)
;;; 				    (pid      . ,(current-process-id)))
;;; 				  pktspec: *pktspec*
;;; 				  ptype:   'server))
;;; 		(area-pktfile-set! acfg (conc pktdir "/" (area-pktid acfg) ".pkt"))))
;;; 	  (area-port-set!    acfg port-num)
;;; 	  #;(mutex-unlock! (area-mutex acfg))))))
;;; 
;;; (define *cookie-seqnum* 0)
;;; (define (make-cookie key)
;;;   (set! *cookie-seqnum* (add1 *cookie-seqnum*))
;;;   ;;(print "MAKE COOKIE CALLED -- on "servkey"-"*cookie-seqnum*)
;;;   (conc key "-" *cookie-seqnum*)
;;;   )
;;; 
;;; ;; dispatch locally if possible
;;; ;;
;;; (define (call-deliver-response acfg ipaddr port cookie data)
;;;   (if (and (equal? (area-myaddr acfg) ipaddr)
;;; 	   (equal? (area-port     acfg) port))
;;;       (deliver-response acfg cookie data)
;;;       ((rpc:procedure 'response ipaddr port) cookie data)))
;;; 
;;; (define (deliver-response acfg cookie data)
;;;   (let ((deliver-response-start (current-milliseconds)))
;;;     (thread-start! (make-thread
;;; 		    (lambda ()
;;; 		      (let loop ((tries-left 5))
;;; 			;;(print "TOP OF DELIVER_RESPONSE LOOP; triesleft="tries-left)
;;; 			;;(pp (hash-table->alist (area-cookie2mbox acfg)))
;;; 			(let* ((mbox (hash-table-ref/default (area-cookie2mbox acfg) cookie #f)))
;;; 			  (cond
;;; 			   ((eq? 0 tries-left)
;;; 			    (print "ulex:deliver-response: I give up. Mailbox never appeared. cookie="cookie)
;;; 			    )
;;; 			   (mbox
;;; 			    ;;(print "got mbox="mbox"  got data="data"  send.")
;;; 			    (mailbox-send! mbox data))
;;; 			   (else
;;; 			    ;;(print "no mbox yet.  look for "cookie)
;;; 			    (thread-sleep! (/ (- 6 tries-left) 10))
;;; 			    (loop (sub1 tries-left))))))
;;; 		      ;; (debug-pp (list (conc "ulex:deliver-response took " (- (current-milliseconds) deliver-response-start) " ms, cookie=" cookie " data=") data))
;;; 		      (sdbg> "deliver-response" "mailbox-send" deliver-response-start #f #f cookie)
;;; 		      )
;;; 		    (conc "deliver-response thread for cookie="cookie))))
;;;   #t)
;;; 
;;; ;; action:
;;; ;;   immediate - quick actions, no need to put in queues
;;; ;;   dbwrite   - put in dbwrite queue
;;; ;;   dbread    - put in dbread queue
;;; ;;   oslong    - os actions, e.g. du, that could take a long time
;;; ;;   osshort   - os actions that should be quick, e.g. df
;;; ;;
;;; (define (request acfg from-ipaddr from-port servkey action cookie fname params) ;; std-peer-handler
;;;   ;; NOTE: Use rpc:current-peer for getting return address
;;;   (let* ((std-peer-handler-start (current-milliseconds))
;;; 	 ;; (raw-data               (alist-ref 'data     dat))
;;; 	 (rdat                   (hash-table-ref/default
;;; 				  (area-rtable acfg) action #f)) ;; this looks up the sql query or other details indexed by the action
;;; 	 (witem                  (make-witem ripaddr: from-ipaddr ;; rhost:   from-host   
;;; 					     rport:   from-port   action:  action
;;; 					     rdat:    rdat        cookie:  cookie
;;; 					     servkey: servkey     data:    params ;; TODO - rename data to params
;;; 					     caller:  (rpc:current-peer))))
;;;     (if (not (equal? servkey (area-pktid acfg)))
;;; 	`(#f . ,(conc "I don't know you servkey=" servkey ", pktid=" (area-pktid acfg))) ;; immediately return this
;;; 	(let* ((ctype (if rdat 
;;; 			  (calldat-ctype rdat) ;; is this necessary? these should be identical
;;; 			  action)))
;;; 	  (sdbg> "std-peer-handler" "immediate" std-peer-handler-start #f #f)
;;; 	  (case ctype
;;; 	    ;; (dbwrite acfg rdat (cons from-ipaddr from-port) data)))
;;; 	    ((full-ping)  `(#t  "ack to full ping"        ,(work-queue-add acfg fname witem) ,cookie))
;;; 	    ((response)   `(#t  "ack from requestor"      ,(deliver-response acfg fname params)))
;;; 	    ((dbwrite)    `(#t  "db write submitted"      ,(work-queue-add acfg fname witem) ,cookie))
;;; 	    ((dbread)     `(#t  "db read submitted"       ,(work-queue-add acfg fname witem) ,cookie  ))
;;; 	    ((dbrw)       `(#t  "db read/write submitted" ,cookie))
;;; 	    ((osshort)    `(#t  "os short submitted"      ,cookie))
;;; 	    ((oslong)     `(#t  "os long submitted"       ,cookie))
;;; 	    (else         `(#f  "unrecognised action"     ,ctype)))))))
;;; 
;;; ;; Call this to start the actual server
;;; ;;
;;; ;; start_server
;;; ;;
;;; ;;   mode: '
;;; ;;   handler: proc which takes pktrecieved as argument
;;; ;;
;;; 
;;; (define (start-server acfg)
;;;   (let* ((conn (find-free-port-and-open acfg))
;;; 	 (port (area-port acfg)))
;;;     (rpc:publish-procedure!
;;;      'delist-db
;;;      (lambda (fname)
;;;        (hash-table-delete! (area-dbs acfg) fname)))
;;;     (rpc:publish-procedure!
;;;      'calling-addr
;;;      (lambda ()
;;;        (rpc:current-peer)))
;;;     (rpc:publish-procedure!
;;;      'ping
;;;      (lambda ()(real-ping acfg)))
;;;     (rpc:publish-procedure!
;;;      'request
;;;      (lambda (from-addr from-port servkey action cookie dbname params)
;;;        (request acfg from-addr from-port servkey action cookie dbname params)))
;;;     (rpc:publish-procedure!
;;;      'response
;;;      (lambda (cookie res-dat)
;;;        (deliver-response acfg cookie res-dat)))
;;;     (area-ready-set! acfg #t)
;;;     (area-conn-set! acfg conn)
;;;     ((rpc:make-server conn) #f)));; ((tcp-listen (rpc:default-server-port)) #t)
;;; 
;;; 
;;; (define (launch acfg) ;;  #!optional (proc std-peer-handler))
;;;   (print "starting launch")
;;;   (update-known-servers acfg) ;; gotta do this on every start (thus why limit number of publicised servers)
;;;   #;(let ((original-handler (current-exception-handler))) ;; is th
;;;     (lambda (exception)
;;;       (server-exit-procedure)
;;;       (original-handler exception)))
;;;   (on-exit (lambda ()
;;; 	     (shutdown acfg))) ;; (finalize-all-db-handles acfg)))
;;;   ;; set up the rpc handler
;;;   (let* ((th1  (make-thread
;;; 		(lambda ()(start-server acfg))
;;; 		"server thread"))
;;; 	 (th2   (make-thread
;;; 		 (lambda ()
;;; 		   (print "th2 starting")
;;; 		   (let loop ()
;;; 		     (work-queue-processor acfg)
;;; 		     (print "work-queue-processor crashed!")
;;; 		     (loop)))
;;; 		 "work queue thread")))
;;;     (thread-start! th1)
;;;     (thread-start! th2)
;;;     (let loop ()
;;;       (thread-sleep! 0.025)
;;;       (if (area-ready acfg)
;;; 	  #t
;;; 	  (loop)))
;;;     ;; attempt to fix my address
;;;     (let* ((all-addr (get-all-ips-sorted)))	     ;; could use (tcp-addresses conn)?
;;;       (let loop ((rem-addrs all-addr))
;;; 	(if (null? rem-addrs)
;;; 	    (begin
;;; 	      (print "ERROR: Failed to figure out the ip address of myself as a server. Giving up.")
;;; 	      (exit 1)) ;; BUG Changeme to raising an exception
;;; 		
;;; 	    (let* ((addr      (car rem-addrs))
;;; 		   (good-addr (handle-exceptions
;;; 				  exn
;;; 				  #f
;;; 				((rpc:procedure 'calling-addr addr (area-port acfg))))))
;;; 	      (if good-addr
;;; 		  (begin
;;; 		    (print "Got good-addr of " good-addr)
;;; 		    (area-myaddr-set! acfg good-addr))
;;; 		  (loop (cdr rem-addrs)))))))
;;;     (register-node acfg (area-myaddr acfg)(area-port acfg))
;;;     (print "INFO: Server started on " (area-myaddr acfg) ":" (area-port acfg))
;;;     ;; (update-known-servers acfg) ;; gotta do this on every start (thus why limit number of publicised servers)
;;;     ))
;;; 
;;; (define (clear-server-pkt acfg)
;;;   (let ((pktf (area-pktfile acfg)))
;;;     (if pktf (delete-file* pktf))))
;;; 
;;; (define (shutdown acfg)
;;;   (let (;;(conn (area-conn    acfg))
;;; 	(pktf (area-pktfile acfg))
;;; 	(port (area-port    acfg)))
;;;     (if pktf (delete-file* pktf))
;;;     (send-all "imshuttingdown")
;;;     ;; (rpc:close-all-connections!) ;; don't know if this is actually needed
;;;     (finalize-all-db-handles acfg)))
;;; 
;;; (define (send-all msg)
;;;   #f)
;;; 
;;; ;; given a area record look up all the packets
;;; ;;
;;; (define (get-all-server-pkts acfg)
;;;   (let ((all-pkt-files (glob (conc (area-pktsdir acfg) "/*.pkt"))))
;;;     (map (lambda (pkt-file)
;;; 	   (read-pkt->alist pkt-file pktspec: *pktspec*))
;;; 	 all-pkt-files)))
;;; 
;;; #;((Z . "9a0212302295a19610d5796fce0370fa130758e9")
;;;   (port . "34827")
;;;   (pid . "28748")
;;;   (hostname . "zeus")
;;;   (T . "server")
;;;   (D . "1549427032.0"))
;;; 
;;; #;(define (get-my-best-address)
;;;   (let ((all-my-addresses (get-all-ips))) ;; (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name))))))
;;;     (cond
;;;      ((null? all-my-addresses)
;;;       (get-host-name))                                          ;; no interfaces?
;;;      ((eq? (length all-my-addresses) 1)
;;;       (ip->string (car all-my-addresses)))                      ;; only one to choose from, just go with it
;;;      (else 
;;;       (ip->string (car (filter (lambda (x)                      ;; take any but 127.
;;; 				 (not (eq? (u8vector-ref x 0) 127)))
;;; 			       all-my-addresses)))))))
;;; 
;;; ;; whoami? I am my pkt
;;; ;;
;;; (define (whoami? acfg)
;;;   (hash-table-ref/default (area-hosts acfg)(area-pktid acfg) #f))
;;; 
;;; ;;======================================================================
;;; ;; "Client side" operations
;;; ;;======================================================================
;;; 
;;; (define (safe-call call-key host port . params)
;;;   (handle-exceptions
;;;    exn
;;;    (begin
;;;      (print "Call " call-key " to " host ":" port " failed")
;;;      #f)
;;;    (apply (rpc:procedure call-key host port) params)))
;;; 
;;; ;; ;; convert to/from string / sexpr
;;; ;; 
;;; ;; (define (string->sexpr str)
;;; ;;   (if (string? str)
;;; ;;       (with-input-from-string str read)
;;; ;;       str))
;;; ;; 
;;; ;; (define (sexpr->string s)
;;; ;;   (with-output-to-string (lambda ()(write s))))
;;; 
;;; ;; is the server alive?
;;; ;;
;;; (define (ping acfg host port)
;;;   (let* ((myaddr     (area-myaddr acfg))
;;; 	 (myport     (area-port   acfg))
;;; 	 (start-time (current-milliseconds))
;;; 	 (res        (if (and (equal? myaddr host)
;;; 			      (equal? myport port))
;;; 			 (real-ping acfg)
;;; 			 ((rpc:procedure 'ping host port)))))
;;;     (cons (- (current-milliseconds) start-time)
;;; 	  res)))
;;; 
;;; ;; returns ( ipaddr port alist-fname=>randnum )
;;; (define (real-ping acfg)
;;;   `(,(area-myaddr acfg) ,(area-port acfg) ,(get-host-stats acfg)))
;;; 
;;; ;; is the server alive AND the queues processing?
;;; ;;
;;; #;(define (full-ping acfg servpkt)
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (res        (send-message acfg servpkt '(full-ping) 'full-ping)))
;;;     (cons (- (current-milliseconds) start-time)
;;; 	  res))) ;; (equal? res "got ping"))))
;;; 
;;; 
;;; ;; look up all pkts and get the server id (the hash), port, host/ip
;;; ;; store this info in acfg
;;; ;; return the number of responsive servers found
;;; ;;
;;; ;; DO NOT VERIFY THAT THE SERVER IS ALIVE HERE. This is called at times where the current server is not yet alive and cannot ping itself
;;; ;;
;;; (define (update-known-servers acfg)
;;;   ;; readll all pkts
;;;   ;; foreach pkt; if it isn't me ping the server; if alive, add to hosts hash, else rm the pkt
;;;   (let* ((start-time (current-milliseconds))
;;; 	 (all-pkts  (delete-duplicates
;;; 		     (append (get-all-server-pkts acfg)
;;; 			     (hash-table-values (area-hosts acfg)))))
;;; 	 (hostshash (area-hosts acfg))
;;; 	 (my-id     (area-pktid acfg))
;;; 	 (pktsdir   (area-pktsdir acfg)) ;; needed to remove pkts from non-responsive servers
;;; 	 (numsrvs   0)
;;; 	 (delpkt    (lambda (pktsdir sid)
;;; 		      (print "clearing out server " sid)
;;; 		      (delete-file* (conc pktsdir "/" sid ".pkt"))
;;; 		      (hash-table-delete! hostshash sid))))
;;;     (area-last-srvup-set! acfg (current-seconds))
;;;     (for-each
;;;      (lambda (servpkt)
;;;        (if (list? servpkt)
;;; 	   ;; (pp servpkt)
;;; 	   (let* ((shost (alist-ref 'ipaddr servpkt))
;;; 		  (sport (any->number (alist-ref 'port servpkt)))
;;; 		  (res   (handle-exceptions
;;; 			  exn
;;; 			  (begin
;;; 			    ;; (print "INFO: bad server on " shost ":" sport)
;;; 			    #f)
;;; 			  (ping acfg shost sport)))
;;; 		  (sid   (alist-ref 'Z servpkt)) ;; Z code is our name for the server
;;; 		  (url   (conc shost ":" sport))
;;; 		  )
;;; 	     #;(if (or (not res)
;;; 		     (null? res))
;;; 		 (begin
;;; 		   (print "STRANGE: ping of " url " gave " res)))
;;; 	     
;;; 	     ;; (print "Got " res " from " shost ":" sport)
;;; 	     (match res
;;; 		    ((qduration . payload)
;;; 		     ;; (print "Server pkt:" (alist-ref 'ipaddr servpkt) ":" (alist-ref 'port servpkt)
;;; 		     ;;        (if payload
;;; 		     ;;            "Success" "Fail"))
;;; 		     (match payload
;;; 			    ((host port stats)
;;; 			     ;; (print "From " host ":" port " got stats: " stats)
;;; 			     (if (and host port stats)
;;; 				 (let ((url (conc host ":" port)))
;;; 				   (hash-table-set! hostshash sid servpkt)
;;; 				   ;; store based on host:port
;;; 				   (hash-table-set! (area-hoststats acfg) sid stats))
;;; 				 (print "missing data from the server, not sure what that means!"))
;;; 			     (set! numsrvs (+ numsrvs 1)))
;;; 			    (#f
;;; 			     (print "Removing pkt " sid " due to #f from server or failed ping")
;;; 			     (delpkt pktsdir sid))
;;; 			    (else
;;; 			     (print "Got ")(pp res)(print " from server ")(pp servpkt) " but response did not match (#f/#t . msg)")))
;;; 		    (else
;;; 		     ;; here we delete the pkt - can't reach the server, remove it
;;; 		     ;; however this logic is inadequate. we should mark the server as checked
;;; 		     ;; and not good, if it happens a second time - then remove the pkt
;;; 		     ;; or something similar. I.e. don't be too quick to assume the server is wedged or dead
;;; 		     ;; could be it is simply too busy to reply
;;; 		     (let ((bad-pings (hash-table-ref/default (area-health acfg) url 0)))
;;; 		       (if (> bad-pings 1) ;; two bad pings - remove pkt
;;; 			   (begin
;;; 			     (print "INFO: " bad-pings " bad responses from " url ", deleting pkt " sid)
;;; 			     (delpkt pktsdir sid))
;;; 			   (begin
;;; 			     (print "INFO: " bad-pings " bad responses from " shost ":" sport " not deleting pkt yet")
;;; 			     (hash-table-set! (area-health acfg)
;;; 					      url
;;; 					      (+ (hash-table-ref/default (area-health acfg) url 0) 1))
;;; 			     ))
;;; 		       ))))
;;; 	   ;; servpkt is not actually a pkt?
;;; 	   (begin
;;; 	     (print "Bad pkt " servpkt))))
;;;      all-pkts)
;;;     (sdbg> "update-known-servers" "end" start-time #f #f " found " numsrvs
;;; 	   " servers, pkts: " (map (lambda (p)
;;; 				     (alist-ref 'Z p))
;;; 				   all-pkts))
;;;     numsrvs))
;;; 
;;; (defstruct srvstat
;;;   (numfiles 0)   ;; number of db files handled by this server - subtract 1 for the db being currently looked at
;;;   (randnum  #f)  ;; tie breaker number assigned to by the server itself - applies only to the db under consideration
;;;   (pkt      #f)) ;; the server pkt
;;; 
;;; ;;(define (srv->srvstat srvpkt)
;;;   
;;; ;; Get the server best for given dbname and key
;;; ;;
;;; ;;   NOTE: key is not currently used. The key points to the kind of query, this may be useful for directing read-only queries.
;;; ;;
;;; (define (get-best-server acfg dbname key)
;;;   (let* (;; (servers (hash-table-values (area-hosts acfg)))
;;; 	 (servers     (area-hosts acfg))
;;; 	 (skeys       (sort (hash-table-keys servers) string>=?)) ;; a stable listing
;;; 	 (start-time  (current-milliseconds))
;;; 	 (srvstats    (make-hash-table))  ;; srvid => srvstat
;;; 	 (url         (conc (area-myaddr acfg) ":" (area-port acfg))))
;;;     ;; (print "scores for " dbname ": " (map (lambda (k)(cons k (calc-server-score acfg dbname k))) skeys))
;;;     (if (null? skeys)
;;; 	(if (> (update-known-servers acfg) 0)
;;; 	    (get-best-server acfg dbname key) ;; some risk of infinite loop here, TODO add try counter
;;; 	    (begin
;;; 	      (print "ERROR: no server found!") ;; since this process is also a server this should never happen
;;; 	      #f))
;;; 	(begin
;;; 	  ;; (print "in get-best-server with skeys=" skeys)
;;; 	  (if (> (- (current-seconds) (area-last-srvup acfg)) 10)
;;; 	      (begin
;;; 		(update-known-servers acfg)
;;; 		(sdbg> "get-best-server" "update-known-servers" start-time #f #f)))
;;; 
;;; 	  ;; for each server look at the list of dbfiles, total number of dbs being handled
;;; 	  ;; and the rand number, save the best host
;;; 	  ;; also do a delist-db for each server dbfile not used
;;; 	  (let* ((best-server       #f)
;;; 		 (servers-to-delist (make-hash-table)))
;;; 	    (for-each
;;; 	     (lambda (srvid)
;;; 	       (let* ((server    (hash-table-ref/default servers srvid #f))
;;; 		      (stats     (hash-table-ref/default (area-hoststats acfg) srvid '(()))))
;;; 		 ;; (print "stats: " stats)
;;;  		 (if server
;;; 		     (let* ((dbweights (car stats))
;;; 			    (srvload   (length (filter (lambda (x)(not (equal? dbname (car x)))) dbweights)))
;;; 			    (dbrec     (alist-ref dbname dbweights equal?))  ;; get the pair with fname . randscore
;;; 			    (randnum   (if dbrec
;;; 					   dbrec ;; (cdr dbrec)
;;; 					   0)))
;;; 		       (hash-table-set! srvstats srvid (make-srvstat numfiles: srvload randnum: randnum pkt: server))))))
;;; 	     skeys)
;;; 	    
;;; 	    (let* ((sorted    (sort (hash-table-values srvstats) 
;;; 				    (lambda (a b)
;;; 				      (let ((numfiles-a (srvstat-numfiles a))
;;; 					    (numfiles-b (srvstat-numfiles b))
;;; 					    (randnum-a  (srvstat-randnum a))
;;; 					    (randnum-b  (srvstat-randnum b)))
;;; 					(if (< numfiles-a numfiles-b) ;; Note, I don't think adding an offset works here. Goal was only move file handling to a different server if it has 2 less
;;; 					    #t
;;; 					    (if (and (equal? numfiles-a numfiles-b)
;;; 						     (< randnum-a randnum-b))
;;; 						#t
;;; 						#f))))))
;;; 		   (best      (if (null? sorted)
;;; 				  (begin
;;; 				    (print "ERROR: should never be null due to self as server.")
;;; 				    #f)
;;; 				  (srvstat-pkt (car sorted)))))
;;; 	      #;(print "SERVER(" url "): " dbname ": " (map (lambda (srv)
;;; 							    (let ((p (srvstat-pkt srv)))
;;; 							      (conc (alist-ref 'ipaddr p) ":" (alist-ref 'port p)
;;; 								    "(" (srvstat-numfiles srv)","(srvstat-randnum srv)")")))
;;; 							    sorted))
;;; 	      best))))))
;;;     
;;;     ;; send out an "I'm about to exit notice to all known servers"
;;;     ;;
;;; (define (death-imminent acfg)
;;;   '())
;;; 
;;; ;;======================================================================
;;; ;; U L E X  -  T H E   I N T E R E S T I N G   S T U F F ! !
;;; ;;======================================================================
;;; 
;;; ;; register a handler
;;; ;;   NOTES:
;;; ;;     dbinitsql   is reserved for a list of sql statements for initializing the db
;;; ;;     dbinitfn    is reserved for a db init function, if exists called after dbinitsql
;;; ;;     
;;; (define (register acfg key obj #!optional (ctype 'dbwrite))
;;;   (let ((ht (area-rtable acfg)))
;;;     (if (hash-table-exists? ht key)
;;; 	(print "WARNING: redefinition of entry " key))
;;;     (hash-table-set! ht key (make-calldat obj: obj ctype: ctype))))
;;; 
;;; ;; usage: register-batch acfg '((key1 . sql1) (key2 . sql2) ... )
;;; ;; NB// obj is often an sql query
;;; ;;
;;; (define (register-batch acfg ctype data)
;;;   (let ((ht (area-rtable acfg)))
;;;     (map (lambda (dat)
;;; 	   (hash-table-set! ht (car dat)(make-calldat obj: (cdr dat) ctype: ctype)))
;;; 	 data)))
;;; 
;;; (define (initialize-area-calls-from-specfile area specfile)
;;;   (let* ((callspec (with-input-from-file specfile read )))
;;;     (for-each (lambda (group)
;;;                 (register-batch
;;;                  area
;;;                  (car group)
;;;                  (cdr group)))
;;;               callspec)))
;;; 
;;; ;; get-rentry
;;; ;;
;;; (define (get-rentry acfg key)
;;;   (hash-table-ref/default (area-rtable acfg) key #f))
;;; 
;;; (define (get-rsql acfg key)
;;;   (let ((cdat (get-rentry acfg key)))
;;;     (if cdat
;;; 	(calldat-obj cdat)
;;; 	#f)))
;;; 
;;; 
;;; 
;;; ;; blocking call:
;;; ;;    client                         server
;;; ;;    ------                         ------
;;; ;;    call()
;;; ;;    send-message()
;;; ;;    nmsg-send()
;;; ;;                                   nmsg-receive()
;;; ;;                                   nmsg-respond(ack,cookie)
;;; ;;    ack, cookie
;;; ;;    mbox-thread-wait(cookie)
;;; ;;                                   nmsg-send(client,cookie,result)
;;; ;;        nmsg-respond(ack)
;;; ;;        return result
;;; ;;
;;; ;; reserved action:
;;; ;;    'immediate
;;; ;;    'dbinitsql
;;; ;;
;;; (define (call acfg dbname action params #!optional (count 0))
;;;   (let* ((call-start-time     (current-milliseconds))
;;; 	 (srv                 (get-best-server acfg dbname action))
;;; 	 (post-get-start-time (current-milliseconds))
;;; 	 (rdat                (hash-table-ref/default (area-rtable acfg) action #f))
;;; 	 (myid                (trim-pktid (area-pktid acfg)))
;;; 	 (srvid               (trim-pktid (alist-ref 'Z srv)))
;;; 	 (cookie              (make-cookie myid)))
;;;     (sdbg> "call" "get-best-server" call-start-time #f call-start-time " from: " myid " to server: " srvid " for " dbname " action: " action " params: " params " rdat: " rdat)
;;;     (print "INFO: call to " (alist-ref 'ipaddr srv) ":" (alist-ref 'port srv) " from " (area-myaddr acfg) ":" (area-port acfg) " for " dbname)
;;;     (if (and srv rdat) ;; need both to dispatch a request
;;; 	(let* ((ripaddr  (alist-ref 'ipaddr srv))
;;; 	       (rsrvid   (alist-ref 'Z srv))
;;; 	       (rport    (any->number (alist-ref 'port   srv)))
;;; 	       (res-full (if (and (equal? ripaddr (area-myaddr acfg))
;;; 				  (equal? rport   (area-port acfg)))
;;; 			     (request acfg ripaddr rport (area-pktid acfg) action cookie dbname params)
;;; 			     (safe-call 'request ripaddr rport
;;; 					(area-myaddr acfg)
;;; 					(area-port   acfg)
;;; 					#;(area-pktid acfg)
;;; 					rsrvid
;;; 					action cookie dbname params))))
;;; 	  ;; (print "res-full: " res-full)
;;; 	  (match res-full
;;; 	    ((response-ok response-msg rem ...)
;;; 	     (let* ((send-message-time (current-milliseconds))
;;; 		    ;; (match res-full
;;; 		    ;;  ((response-ok response-msg)
;;; 		    ;; (response-ok  (car res-full))
;;; 		    ;; (response-msg (cadr res-full)
;;; 		    )
;;; 	       ;; (res (take res-full 3))) ;; ctype == action, TODO: converge on one term <<=== what was this? BUG 
;;; 	       ;; (print "ulex:call: send-message took " (- send-message-time post-get-start-time) " ms params=" params)
;;; 	       (sdbg> "call" "send-message" post-get-start-time #f call-start-time)
;;; 	       (cond
;;; 		((not response-ok) #f)
;;; 		((member response-msg '("db read submitted" "db write submitted"))
;;; 		 (let* ((cookie-id   (cadddr res-full))
;;; 			(mbox        (make-mailbox))
;;; 			(mbox-time   (current-milliseconds)))
;;; 		   (hash-table-set! (area-cookie2mbox acfg) cookie-id mbox)
;;; 		   (let* ((mbox-timeout-secs    20)
;;; 			  (mbox-timeout-result 'MBOX_TIMEOUT)
;;; 			  (res                  (mailbox-receive! mbox mbox-timeout-secs mbox-timeout-result))
;;; 			  (mbox-receive-time    (current-milliseconds)))
;;; 		     (hash-table-delete! (area-cookie2mbox acfg) cookie-id)
;;; 		     (sdbg> "call" "mailbox-receive" mbox-time #f call-start-time " from: " myid " to server: " srvid " for " dbname)
;;; 		     ;; (print "ulex:call mailbox-receive took " (- mbox-receive-time mbox-time) "ms params=" params)
;;; 		     res)))
;;; 		(else
;;; 		 (print "Unhandled response \""response-msg"\"")
;;; 		 #f))
;;; 	       ;; depending on what action (i.e. ctype) is we will block here waiting for
;;; 	       ;; all the data (mechanism to be determined)
;;; 	       ;;
;;; 	       ;; if res is a "working on it" then wait
;;; 	       ;;    wait for result
;;; 	       ;; mailbox thread wait on 
;;; 	       
;;; 	       ;; if res is a "can't help you" then try a different server
;;; 	       ;; if res is a "ack" (e.g. for one-shot requests) then return res
;;; 	       ))
;;; 	    (else
;;; 	     (if (< count 10)
;;; 		 (let* ((url (conc (alist-ref 'ipaddr srv) ":" (alist-ref 'port srv))))
;;; 		   (thread-sleep! 1)
;;; 		   (print "ERROR: Bad result from " url ", dbname: " dbname ", action: " action ", params: " params ". Trying again in 1 second.")
;;; 		   (call acfg dbname action params (+ count 1)))
;;; 		 (begin
;;; 		   (error (conc "ERROR: " count " tries, still have improper response res-full=" res-full)))))))
;;; 	(begin
;;; 	  (if (not rdat)
;;; 	      (print "ERROR: action " action " not registered.")
;;; 	      (if (< count 10)
;;; 		 (begin
;;; 		   (thread-sleep! 1)
;;; 		   (area-hosts-set! acfg (make-hash-table)) ;; clear out all known hosts
;;; 		   (print "ERROR: no server found, srv=" srv ", trying again in 1 seconds")
;;; 		   (call acfg dbname action params (+ count 1)))
;;; 		 (begin
;;; 		   (error (conc "ERROR: no server found after 10 tries, srv=" srv ", giving up."))
;;; 		   #;(error "No server available"))))))))
;;; 
;;; 
;;; ;;======================================================================
;;; ;; U T I L I T I E S 
;;; ;;======================================================================
;;; 
;;; ;; get a signature for identifing this process
;;; ;;
;;; (define (get-process-signature)
;;;   (cons (get-host-name)(current-process-id)))
;;; 
;;; ;;======================================================================
;;; ;; S Y S T E M   S T U F F
;;; ;;======================================================================
;;; 
;;; ;; get normalized cpu load by reading from /proc/loadavg and
;;; ;; /proc/cpuinfo return all three values and the number of real cpus
;;; ;; and the number of threads returns alist '((adj-cpu-load
;;; ;; . normalized-proc-load) ... etc.  keys: adj-proc-load,
;;; ;; adj-core-load, 1m-load, 5m-load, 15m-load
;;; ;;
;;; (define (get-normalized-cpu-load)
;;;   (let ((res (get-normalized-cpu-load-raw))
;;; 	(default `((adj-proc-load . 2) ;; there is no right answer
;;; 		   (adj-core-load . 2)
;;; 		   (1m-load       . 2)
;;; 		   (5m-load       . 0) ;; causes a large delta - thus causing default of throttling if stuff goes wrong
;;; 		   (15m-load      . 0)
;;; 		   (proc          . 1)
;;; 		   (core          . 1)
;;; 		   (phys          . 1)
;;; 		   (error         . #t))))
;;;     (cond
;;;      ((and (list? res)
;;; 	   (> (length res) 2))
;;;       res)
;;;      ((eq? res #f)   default) ;; add messages?
;;;      ((eq? res #f) default)   ;; this would be the #eof
;;;      (else default))))
;;; 
;;; (define (get-normalized-cpu-load-raw)
;;;   (let* ((actual-host           (get-host-name))) ;; #f is localhost
;;;     (let ((data  (append 
;;; 		  (with-input-from-file "/proc/loadavg" read-lines)
;;; 		  (with-input-from-file "/proc/cpuinfo" read-lines)
;;; 		  (list "end")))
;;; 	  (load-rx  (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))
;;; 	  (proc-rx  (regexp "^processor\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (core-rx  (regexp "^core id\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (phys-rx  (regexp "^physical id\\s+:\\s+(\\d+)\\s*$"))
;;; 	  (max-num  (lambda (p n)(max (string->number p) n))))
;;;       ;; (print "data=" data)
;;;       (if (null? data) ;; something went wrong
;;; 	  #f
;;; 	  (let loop ((hed      (car data))
;;; 		     (tal      (cdr data))
;;; 		     (loads    #f)
;;; 		     (proc-num 0)  ;; processor includes threads
;;; 		     (phys-num 0)  ;; physical chip on motherboard
;;; 		     (core-num 0)) ;; core
;;; 	    ;; (print hed ", " loads ", " proc-num ", " phys-num ", " core-num)
;;; 	    (if (null? tal) ;; have all our data, calculate normalized load and return result
;;; 		(let* ((act-proc (+ proc-num 1))
;;; 		       (act-phys (+ phys-num 1))
;;; 		       (act-core (+ core-num 1))
;;; 		       (adj-proc-load (/ (car loads) act-proc))
;;; 		       (adj-core-load (/ (car loads) act-core))
;;; 		       (result
;;; 			(append (list (cons 'adj-proc-load adj-proc-load)
;;; 				      (cons 'adj-core-load adj-core-load))
;;; 				(list (cons '1m-load (car loads))
;;; 				      (cons '5m-load (cadr loads))
;;; 				      (cons '15m-load (caddr loads)))
;;; 				(list (cons 'proc act-proc)
;;; 				      (cons 'core act-core)
;;; 				      (cons 'phys act-phys)))))
;;; 		  result)
;;; 		(regex-case
;;; 		    hed
;;; 		  (load-rx  ( x l1 l5 l15 ) (loop (car tal)(cdr tal)(map string->number (list l1 l5 l15)) proc-num phys-num core-num))
;;; 		  (proc-rx  ( x p         ) (loop (car tal)(cdr tal) loads           (max-num p proc-num) phys-num core-num))
;;; 		  (phys-rx  ( x p         ) (loop (car tal)(cdr tal) loads           proc-num (max-num p phys-num) core-num))
;;; 		  (core-rx  ( x c         ) (loop (car tal)(cdr tal) loads           proc-num phys-num (max-num c core-num)))
;;; 		  (else 
;;; 		   (begin
;;; 		     ;; (print "NO MATCH: " hed)
;;; 		     (loop (car tal)(cdr tal) loads proc-num phys-num core-num))))))))))
;;; 
;;; (define (get-host-stats acfg)
;;;   (let ((stats-hash (area-stats acfg)))
;;;     ;; use this opportunity to remove references to dbfiles which have not been accessed in a while
;;;     (for-each
;;;      (lambda (dbname)
;;;        (let* ((stats       (hash-table-ref stats-hash dbname))
;;; 	      (last-access (stat-when stats)))
;;; 	 (if (and (> last-access 0)                             ;; if zero then there has been no access
;;; 		  (> (- (current-seconds) last-access) 10))     ;; not used in ten seconds
;;; 	     (begin
;;; 	       (print "Removing " dbname " from stats list")
;;; 	       (hash-table-delete! stats-hash dbname) ;; remove from stats hash
;;; 	       (stat-dbs-set! stats (hash-table-keys stats))))))
;;;      (hash-table-keys stats-hash))
;;;     
;;;     `(,(hash-table->alist (area-dbs acfg)) ;; dbname => randnum
;;;       ,(map (lambda (dbname)  ;; dbname is the db name
;;; 	      (cons dbname (stat-when (hash-table-ref stats-hash dbname))))
;;; 	    (hash-table-keys stats-hash))
;;;       (cpuload . ,(get-normalized-cpu-load)))))
;;;     #;(stats   . ,(map (lambda (k) ;; create an alist from the stats data
;;; 		       (cons k (stat->alist (hash-table-ref (area-stats acfg) k))))
;;; 		     (hash-table-keys (area-stats acfg))))
;;; 
;;; #;(trace
;;;  ;; assv
;;;  ;; cdr
;;;  ;; caar
;;;  ;; ;; cdr
;;;  ;; call
;;;  ;; finalize-all-db-handles
;;;  ;; get-all-server-pkts
;;;  ;; get-normalized-cpu-load
;;;  ;; get-normalized-cpu-load-raw
;;;  ;; launch
;;;  ;; nmsg-send
;;;  ;; process-db-queries
;;;  ;; receive-message
;;;  ;; std-peer-handler
;;;  ;; update-known-servers
;;;  ;; work-queue-processor
;;;  )
;;; 
;;; ;;======================================================================
;;; ;; netutil
;;; ;;   move this back to ulex-netutil.scm someday?
;;; ;;======================================================================
;;; 
;;; ;; #include <stdio.h>
;;; ;; #include <netinet/in.h>
;;; ;; #include <string.h>
;;; ;; #include <arpa/inet.h>
;;; 
;;; (foreign-declare "#include \"sys/types.h\"")
;;; (foreign-declare "#include \"sys/socket.h\"")
;;; (foreign-declare "#include \"ifaddrs.h\"")
;;; (foreign-declare "#include \"arpa/inet.h\"")
;;; 
;;; ;; get IP addresses from ALL interfaces
;;; (define get-all-ips
;;;   (foreign-safe-lambda* scheme-object ()
;;;     "
;;; 
;;; // from https://stackoverflow.com/questions/17909401/linux-c-get-default-interfaces-ip-address :
;;; 
;;; 
;;;     C_word lst = C_SCHEME_END_OF_LIST, len, str, *a;
;;; //    struct ifaddrs *ifa, *i;
;;; //    struct sockaddr *sa;
;;; 
;;;     struct ifaddrs * ifAddrStruct = NULL;
;;;     struct ifaddrs * ifa = NULL;
;;;     void * tmpAddrPtr = NULL;
;;; 
;;;     if ( getifaddrs(&ifAddrStruct) != 0)
;;;       C_return(C_SCHEME_FALSE);
;;; 
;;; //    for (i = ifa; i != NULL; i = i->ifa_next) {
;;;     for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
;;;         if (ifa->ifa_addr->sa_family==AF_INET) { // Check it is
;;;             // a valid IPv4 address
;;;             tmpAddrPtr = &((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
;;;             char addressBuffer[INET_ADDRSTRLEN];
;;;             inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
;;; //            printf(\"%s IP Address %s\\n\", ifa->ifa_name, addressBuffer);
;;;             len = strlen(addressBuffer);
;;;             a = C_alloc(C_SIZEOF_PAIR + C_SIZEOF_STRING(len));
;;;             str = C_string(&a, len, addressBuffer);
;;;             lst = C_a_pair(&a, str, lst);
;;;         } 
;;; 
;;; //        else if (ifa->ifa_addr->sa_family==AF_INET6) { // Check it is
;;; //            // a valid IPv6 address
;;; //            tmpAddrPtr = &((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr;
;;; //            char addressBuffer[INET6_ADDRSTRLEN];
;;; //            inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN);
;;; ////            printf(\"%s IP Address %s\\n\", ifa->ifa_name, addressBuffer);
;;; //            len = strlen(addressBuffer);
;;; //            a = C_alloc(C_SIZEOF_PAIR + C_SIZEOF_STRING(len));
;;; //            str = C_string(&a, len, addressBuffer);
;;; //            lst = C_a_pair(&a, str, lst);
;;; //       }
;;; 
;;; //       else {
;;; //         printf(\" not an IPv4 address\\n\");
;;; //       }
;;; 
;;;     }
;;; 
;;;     freeifaddrs(ifa);
;;;     C_return(lst);
;;; 
;;; "))
;;; 
;;; ;; Change this to bias for addresses with a reasonable broadcast value?
;;; ;;
;;; (define (ip-pref-less? a b)
;;;   (let* ((rate (lambda (ipstr)
;;;                  (regex-case ipstr
;;;                              ( "^127\\." _ 0 )
;;;                              ( "^(10\\.0|192\\.168\\.)\\..*" _ 1 )
;;;                              ( else 2 ) ))))
;;;     (< (rate a) (rate b))))
;;;   
;;; 
;;; (define (get-my-best-address)
;;;   (let ((all-my-addresses (get-all-ips))
;;;         ;;(all-my-addresses-old (vector->list (hostinfo-addresses (hostname->hostinfo (get-host-name)))))
;;;         )
;;;     (cond
;;;      ((null? all-my-addresses)
;;;       (get-host-name))                                          ;; no interfaces?
;;;      ((eq? (length all-my-addresses) 1)
;;;       (car all-my-addresses))                      ;; only one to choose from, just go with it
;;;      
;;;      (else
;;;       (car (sort all-my-addresses ip-pref-less?)))
;;;      ;; (else 
;;;      ;;  (ip->string (car (filter (lambda (x)                      ;; take any but 127.
;;;      ;;    			 (not (eq? (u8vector-ref x 0) 127)))
;;;      ;;    		       all-my-addresses))))
;;; 
;;;      )))
;;; 
;;; (define (get-all-ips-sorted)
;;;   (sort (get-all-ips) ip-pref-less?))
;;; 
;;; 








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570
;; ABOUT:
;;   See README in the distribution at https://www.kiatoa.com/fossils/ulex
;; NOTES:
;;   Why sql-de-lite and not say, dbi?  - performance mostly, then simplicity.
;;
;;======================================================================

(module ulex
	*
	#;(
     
     ;; NOTE: looking for the handler proc - find the run-listener :)
     
     run-listener     ;; (run-listener handler-proc [port]) => uconn

     ;; NOTE: handler-proc params;
     ;;       (handler-proc rem-host-port qrykey cmd params)

     send-receive     ;; (send-receive uconn host-port cmd data)

     ;; NOTE: cmd can be any plain text symbol except for these;
     ;;         'ping 'ack 'goodbye 'response
     
     set-work-handler ;; (set-work-handler proc)

     wait-and-close   ;; (wait-and-close uconn)

     ulex-listener?
     
     ;; needed to get the interface:port that was automatically found
     udat-port
     udat-host-port
     
     ;; for testing only
     ;; pp-uconn
     

     ;; parameters
     work-method   ;; parameter; 'threads, 'mailbox, 'limited, 'direct
     return-method ;; parameter; 'mailbox, 'polling, 'direct
     )


(import scheme
	chicken.base
	chicken.file
	chicken.io
	chicken.time
	chicken.condition
	chicken.string
	chicken.sort
	chicken.pretty-print
	


	address-info

	mailbox
	matchable
	;; queues
	regex
	regex-case
	simple-exceptions
	s11n
	srfi-1
	srfi-18
	srfi-4
	srfi-69
	system-information


	tcp6
	typed-records
	)

;; udat struct, used by both caller and callee
;; instantiated as uconn by convention
;;
(defstruct udat
  ;; the listener side
  (port #f)

  (host-port #f)
  (socket #f)
  ;; the peers
  (peers  (make-hash-table)) ;; host:port->peer
  ;; work handling
  (work-queue (make-mailbox))
  (work-proc  #f)                ;; set by user
  (cnum       0)                 ;; cookie number
  (mboxes     (make-hash-table)) ;; for the replies
  (avail-cmboxes '())            ;; list of (<cookie> . <mbox>) for re-use
  ;; threads

  (numthreads 10)
  (cmd-thread #f)
  (work-queue-thread #f)
  (num-threads-running 0)
  ) 

;; Parameters

;; work-method:
(define work-method (make-parameter 'mailbox))
;;    mailbox - all rdat goes through mailbox
;;    threads - all rdat immediately executed in new thread
;;    direct  - no queuing
;;


;; return-method, return the result to waiting send-receive:
(define return-method (make-parameter 'mailbox))
;;    mailbox - create a mailbox and use it for passing returning results to send-receive
;;    polling - put the result in a hash table keyed by qrykey and send-receive can poll it for result
;;    direct  - no queuing, result is passed back in single tcp connection
;;

;; ;; struct for keeping track of others we are talking to
;; ;;
;; (defstruct pdat
;;   (host-port  #f)
;;   (conns      '()) ;; list of pcon structs, pop one off when calling the peer
;;   )




;; 
;; ;; struct for peer connections, keep track of expiration etc.
;; ;;
;; (defstruct pcon
;;   (inp #f)

;;   (oup #f)
;;   (exp (+ (current-seconds) 59)) ;; expires at this time, set to (+ (current-seconds) 59)
;;   (lifetime (+ (current-seconds) 600)) ;; throw away and create new after five minutes
;;   )


;;======================================================================
;; listener
;;======================================================================

;; is uconn a ulex connector (listener)
;;
(define (ulex-listener? uconn)
  (udat? uconn))

;; create a tcp listener and return a populated udat struct with
;; my port, address, hostname, pid etc.
;; return #f if fail to find a port to allocate.
;;
;;  if udata-in is #f create the record
;;  if there is already a serv-listener return the udata
;;
(define (setup-listener uconn #!optional (port 4242))
  (handle-exceptions
   exn
   (if (< port 65535)
       (setup-listener uconn (+ port 1))
       #f)
   (connect-listener uconn port)))




(define (connect-listener uconn port)
  ;; (tcp-listener-socket LISTENER)(socket-name so)
  ;; sockaddr-address, sockaddr-port, sockaddr->string
  (let* ((tlsn (tcp-listen port 1000 #f)) ;; (tcp-listen TCPPORT [BACKLOG [HOST]])
	 (addr (get-my-best-address))) ;; (hostinfo-addresses (host-information (current-hostname)))
    (udat-port-set!      uconn port)
    (udat-host-port-set! uconn (conc addr":"port))
    (udat-socket-set!    uconn tlsn)
    uconn))

;; run-listener does all the work of starting a listener in a thread
;; it then returns control
;;
(define (run-listener handler-proc #!optional (port-suggestion 4242))
  (let* ((uconn (make-udat)))
    (udat-work-proc-set! uconn handler-proc)
    (if (setup-listener uconn port-suggestion)
	(let* ((th1 (make-thread (lambda ()(ulex-cmd-loop uconn)) "Ulex command loop"))
	       (th2 (make-thread (lambda ()
				   (case (work-method)
				     ((mailbox limited)
				      (process-work-queue uconn))))
				 "Ulex work queue processor")))
	  ;; (tcp-buffer-size 2048)
	  (thread-start! th1)
	  (thread-start! th2)
	  (udat-cmd-thread-set! uconn th1)
	  (udat-work-queue-thread-set! uconn th2)
	  (print "cmd loop and process workers started, listening on "(udat-host-port uconn)".")
	  uconn)
	(assert #f "ERROR: run-listener called without proper setup."))))

(define (wait-and-close uconn)
  (thread-join! (udat-cmd-thread uconn))
  (tcp-close (udat-socket uconn)))

;;======================================================================
;; peers and connections
;;======================================================================

(define *send-mutex* (make-mutex))

;; send structured data to recipient
;;
;;  NOTE: qrykey is what was called the "cookie" previously
;;

;;     retval tells send to expect and wait for return data (one line) and return it or time out
;;       this is for ping where we don't want to necessarily have set up our own server yet.
;;





























;; NOTE: see below for beginnings of code to allow re-use of tcp connections
;;        - I believe (without substantial evidence) that re-using connections will

;;          be beneficial ...

;;
(define (send udata host-port qrykey cmd params)
  (let* ((my-host-port (udat-host-port udata))          ;; remote will return to this
	 (isme         #f #;(equal? host-port my-host-port)) ;; calling myself?
	 ;; dat is a self-contained work block that can be sent or handled locally
	 (dat          (list my-host-port qrykey cmd params #;(cons (current-seconds)(current-milliseconds)))))
    (cond
     (isme (ulex-handler udata dat)) ;; no transmission needed
     (else
      (handle-exceptions ;; TODO - MAKE THIS EXCEPTION CMD SPECIFIC?
	  exn
	  (message exn)
	(begin


	  ;; (mutex-lock! *send-mutex*) ;; DOESN'T SEEM TO HELP
	  (let-values (((inp oup)(tcp-connect host-port)))
	    (let ((res (if (and inp oup)
			   (begin
			     (serialize dat oup)
			     (close-output-port oup)
			     (deserialize inp)
			     )
			   (begin
			     (print "ERROR: send called but no receiver has been setup. Please call setup first!")
			     #f))))
	      (close-input-port inp)
	      ;; (mutex-unlock! *send-mutex*) ;; DOESN'T SEEM TO HELP
	      res)))))))) ;; res will always be 'ack unless return-method is direct

(define (send-via-polling uconn host-port cmd data)
  (let* ((qrykey (make-cookie uconn))




	 (sres   (send uconn host-port qrykey cmd data)))
    (case sres
      ((ack)
       (let loop ((start-time (current-milliseconds)))
	 (if (> (current-milliseconds)(+ start-time 10000)) ;; ten seconds timeout
	     (begin
	       (print "ULEX ERROR: timed out waiting for response from "host-port", "cmd" "data)
	       #f)
	     (let* ((result (hash-table-ref/default (udat-mboxes uconn) qrykey #f))) ;; NOTE: we are re-using mboxes hash
	       (if result ;; result is '(status . result-data) or #f for nothing yet
		   (begin
		     (hash-table-delete! (udat-mboxes uconn) qrykey)
		     (cdr result))
		   (begin
		     (thread-sleep! 0.01)
		     (loop start-time)))))))
      (else
       (print "ULEX ERROR: Communication failed? sres="sres)
       #f))))

(define (send-via-mailbox uconn host-port cmd data)
  (let* ((cmbox     (get-cmbox uconn)) ;; would it be better to keep a stack of mboxes to reuse?
	 (qrykey    (car cmbox))
	 (mbox      (cdr cmbox))
	 (mbox-time (current-milliseconds))

	 (sres      (send uconn host-port qrykey cmd data))) ;; short res
    (if (eq? sres 'ack) ;; BUG: change to be less than server:expiration-timeout?
	(let* ((mbox-timeout-secs    120 #;(if (eq? 'primordial (thread-name (current-thread)))
				     #f
				     120)) ;; timeout)
	       (mbox-timeout-result 'MBOX_TIMEOUT)
	       (res                  (mailbox-receive! mbox mbox-timeout-secs mbox-timeout-result))
	       (mbox-receive-time    (current-milliseconds)))
	  ;; (put-cmbox uconn cmbox) ;; reuse mbox and cookie. is it worth it?
	  (hash-table-delete! (udat-mboxes uconn) qrykey)
	  (if (eq? res 'MBOX_TIMEOUT)
	      (begin
		(print "WARNING: mbox timed out for query "cmd", with data "data
		       ", waiting for response from "host-port".")

		;; here it might make sense to clean up connection records and force clean start?
		;; NO. The progam using ulex needs to do the reset. Right thing here is exception
		
		#f)  ;; convert to raising exception?
	      res))
	(begin
	  (print "ERROR: Communication failed? Got "sres)
	  #f))))
  

;; send a request to the given host-port and register a mailbox in udata
;; wait for the mailbox data and return it
;;
(define (send-receive uconn host-port cmd data)
  (let* ((start-time (current-milliseconds))
	 (result     (cond
		      ((member cmd '(ping goodbye)) ;; these are immediate
		       (send uconn host-port 'ping cmd data))
		      ((eq? (work-method) 'direct)
		       ;; the result from send will be the actual result, not an 'ack
		       (send uconn host-port 'direct cmd data))

		      (else
		       (case (return-method)
			 ((polling)

			  (send-via-polling uconn host-port cmd data))
			 ((mailbox) 
			  (send-via-mailbox uconn host-port cmd data))
			 (else
			  (print "ULEX ERROR: unrecognised return-method "(return-method)".")
			  #f)))))
	 (duration    (- (current-milliseconds) start-time)))
    ;; this is ONLY for development and debugging. It will be removed once Ulex is stable.
    (if (< 5000 duration)
	(print "ULEX WARNING: round-trip took "(inexact->exact (round (/ duration 1000)))
	       " seconds; "cmd", host-port="host-port", data="data))
    result))
    


;;======================================================================
;; responder side
;;======================================================================

;; take a request, rdat, and if not immediate put it in the work queue
;;



;; Reserved cmds; ack ping goodbye response
;;
(define (ulex-handler uconn rdat)
  (assert (list? rdat) "FATAL: ulex-handler give rdat as not list")
  (match rdat ;;  (string-split controldat)
    ((rem-host-port qrykey cmd params);; timedata)
     ;; (print "ulex-handler got: "rem-host-port" qrykey: "qrykey" cmd: "cmd" params: "params)

     (case cmd
       ;; ((ack )(print "Got ack! But why? Should NOT get here.") 'ack)
       ((ping)
	;; (print "Got Ping!")
	;; (add-to-work-queue uconn rdat)
	'ack)

       ((goodbye)

	;; just clear out references to the caller. NOT COMPLETE
	(add-to-work-queue uconn rdat)
	'ack)
       ((response) ;; this is a result from remote processing, send it as mail ...
	(case (return-method)
	  ((polling)
	   (hash-table-set! (udat-mboxes uconn) qrykey (cons 'ok params))
	   'ack)
	  ((mailbox)
	   (let ((mbox (hash-table-ref/default (udat-mboxes uconn) qrykey #f)))
	     (if mbox
		 (begin
		   (mailbox-send! mbox params) ;; params here is our result
		   'ack)
		 (begin
		   (print "ERROR: received result but no associated mbox for cookie "qrykey)
		   'no-mbox-found))))
	  (else (print "ULEX ERROR: unrecognised return-method "(return-method))
		'bad-return-method)))
       (else ;; generic request - hand it to the work queue
	(add-to-work-queue uconn rdat)
	'ack)))
    (else
     (print "ULEX ERROR: bad rdat "rdat)
     'bad-rdat)))

;; given an already set up uconn start the cmd-loop
;;





(define (ulex-cmd-loop uconn)
  (let* ((serv-listener (udat-socket uconn))
	 (listener      (lambda ()
			  (let loop ((state 'start))
			    (let-values (((inp oup)(tcp-accept serv-listener)))
			      ;; (mutex-lock! *send-mutex*) ;; DOESN'T SEEM TO HELP
			      (let* ((rdat  (deserialize inp)) ;; '(my-host-port qrykey cmd params)
				     (resp  (ulex-handler uconn rdat)))
				(serialize resp oup)
				(close-input-port inp)
				(close-output-port oup)
				;; (mutex-unlock! *send-mutex*) ;; DOESN'T SEEM TO HELP
				)


			      (loop state))))))
    ;; start N of them
    (let loop ((thnum   0)
	       (threads '()))
      (if (< thnum 100)
	  (let* ((th (make-thread listener (conc "listener" thnum))))
	    (thread-start! th)
	    (loop (+ thnum 1)
		  (cons th threads)))
	  (map thread-join! threads)))))


;; add a proc to the cmd list, these are done symetrically (i.e. in all instances)
;; so that the proc can be dereferenced remotely
;;





(define (set-work-handler uconn proc)


  (udat-work-proc-set! uconn proc))

;;======================================================================





;; work queues - this is all happening on the listener side
;;======================================================================

;; rdat is (rem-host-port qrykey cmd params)
					     
(define (add-to-work-queue uconn rdat)
  #;(queue-add! (udat-work-queue uconn) rdat)
  (case (work-method)
    ((threads)
     (thread-start! (make-thread (lambda ()
				   (do-work uconn rdat))
				 "worker thread")))
    ((mailbox)
     (mailbox-send! (udat-work-queue uconn) rdat))
    ((direct)
     (do-work uconn rdat))
    (else
     (print "ULEX ERROR: work-method "(work-method)" not recognised, using mailbox.")
     (mailbox-send! (udat-work-queue uconn) rdat))))
     


;; move the logic to return the result somewhere else?
;;
(define (do-work uconn rdat)
  (let* ((proc (udat-work-proc uconn))) ;; get it each time - conceivebly it could change
    ;; put this following into a do-work procedure
    (match rdat
      ((rem-host-port qrykey cmd params)
       (let* ((start-time (current-milliseconds))
	      (result (proc rem-host-port qrykey cmd params))
	      (end-time (current-milliseconds))
	      (run-time (- end-time start-time)))
	 (case (work-method)




	   ((direct) result)
	   (else
	    (if (> run-time 1000)(print "ULEX: Warning, work "cmd", "params" done in "run-time" ms"))
	    ;; send 'response as cmd and result as params
	    (send uconn rem-host-port qrykey 'response result) ;; could check for ack
	    (let* ((duration (- (current-milliseconds) end-time)))
	      (if (> duration 500)(print "ULEX: Warning, response sent back to "rem-host-port" for "qrykey" in "duration"ms")))))))
      (MBOX_TIMEOUT 'do-work-timeout)
      (else
       (print "ERROR: rdat "rdat", did not match rem-host-port qrykey cmd params")))))


;; NEW APPROACH:
;;   
(define (process-work-queue uconn) 
  (let ((wqueue (udat-work-queue uconn))
	(proc   (udat-work-proc  uconn))
	(numthr (udat-numthreads uconn)))
    (let loop ((thnum    1)

	       (threads '()))
      (let ((thlst (cons (make-thread (lambda ()
					(let work-loop ()
					  (let ((rdat (mailbox-receive! wqueue 24000 'MBOX_TIMEOUT)))
					    (do-work uconn rdat))
					  (work-loop)))
				      (conc "work thread " thnum))
			 threads)))
	(if (< thnum numthr)
	    (loop (+ thnum 1)
		  thlst)
	    (begin
	      (print "ULEX: Starting "(length thlst)" worker threads.")
	      (map thread-start! thlst)
	      (print "ULEX: Threads started. Joining all.")
	      (map thread-join! thlst)))))))

;; below was to enable re-use of connections. This seems non-trivial so for
;; now lets open on each call
;;
;; ;; given host-port get or create peer struct

;; ;;
;; (define (udat-get-peer uconn host-port)
;;   (or (hash-table-ref/default (udat-peers uconn) host-port #f)
;;       ;; no peer, so create pdat and init it


;;       
;;       ;; NEED stack of connections, pop and use; inp, oup,
;;       ;; creation_time (remove and create new if over 24hrs old
;;       ;; 
;;       (let ((pdat (make-pdat host-port: host-port)))
;; 	(hash-table-set! (udat-peers uconn) host-port pdat)
;; 	pdat)))
;; 
;; ;; is pcon alive
;; 
;; ;; given host-port and pdat get a pcon

;; ;;
;; (define (pdat-get-pcon pdat host-port)
;;   (let loop ((conns (pdat-conns pdat)))
;;     (if (null? conns) ;; none? make and return - do NOT add - it will be pushed back on list later
;; 	(init-pcon (make-pcon))
;; 	(let* ((conn (pop conns)))
;; 	  
;; ;; given host-port get a pcon struct

;; ;;
;; (define (udat-get-pcon 
      



;;======================================================================
;; misc utils
;;======================================================================

(define (make-cookie uconn)
  (let ((newcnum (+ (udat-cnum uconn) 1)))
    (udat-cnum-set! uconn newcnum)
    (conc (udat-host-port uconn) ":"

	  newcnum)))

;; cookie/mboxes


;; we store each mbox with a cookie (<cookie> . <mbox>)
;;
(define (get-cmbox uconn)
  (if (null? (udat-avail-cmboxes uconn))
      (let ((cookie (make-cookie uconn))
	    (mbox   (make-mailbox)))
	(hash-table-set! (udat-mboxes uconn) cookie mbox)
	`(,cookie . ,mbox))
      (let ((cmbox (car (udat-avail-cmboxes uconn))))
	(udat-avail-cmboxes-set! uconn (cdr (udat-avail-cmboxes uconn)))
	cmbox)))

(define (put-cmbox uconn cmbox)
  (udat-avail-cmboxes-set! uconn (cons cmbox (udat-avail-cmboxes uconn))))

(define (pp-uconn uconn)
  (pp (udat->alist uconn)))

  
;;======================================================================
;; network utilities
;;======================================================================

;; NOTE: Look at address-info egg as alternative to some of this

(define (rate-ip ipaddr)
  (regex-case ipaddr
    ( "^127\\..*" _ 0 )
    ( "^(10\\.0|192\\.168)\\..*" _ 1 )
    ( else 2 ) ))

;; Change this to bias for addresses with a reasonable broadcast value?
;;
(define (ip-pref-less? a b)
  (> (rate-ip a) (rate-ip b)))


(define (get-my-best-address)
  (let ((all-my-addresses (get-all-ips)))


    (cond
     ((null? all-my-addresses)
      (get-host-name))                                          ;; no interfaces?
     ((eq? (length all-my-addresses) 1)
      (car all-my-addresses))                      ;; only one to choose from, just go with it

     (else
      (car (sort all-my-addresses ip-pref-less?))))))







(define (get-all-ips-sorted)
  (sort (get-all-ips) ip-pref-less?))

(define (get-all-ips)



  (map address-info-host






































































































































































































































































































































































































































































       (filter (lambda (x)



















		 (equal? (address-info-type x) "tcp"))



	       (address-infos (get-host-name)))))









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































)

Added utils/load-the-db.scm version [92b9fb2b93].



















































































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;; start the repl and then load this file

(define start-time (current-seconds))

(let loop ((last-print 0)
	   (num-calls  0))
  (let* ((all-run-ids (rmt:get-all-run-ids))
	 (do-print    (> (- (current-seconds) last-print) 2))
	 (max-query   0)
	 (num-calls   (+ num-calls
			 1                    ;; account for call above
			 (length all-run-ids) ;; account for the get-tests-for-run in the for-each below
			 )))
    (for-each
     (lambda (run-id)
       ;; (rmt:get-tests-for-run run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
       (let* ((all-run-data (rmt:get-tests-for-run run-id "%" '() '() #f #f #f #f #f #f #f #f)))
	 (set! num-calls (+ num-calls (length all-run-data)))
	 (for-each
	  (lambda (testdat)
	    (let* ((test-id (vector-ref testdat 0))
		   (start-at (current-milliseconds))
		   (testinfo (rmt:get-test-info-by-id run-id test-id))
		   (query-time (- (current-milliseconds) start-at)))
	      (if (> query-time max-query)
		  (set! max-query query-time))))
	  all-run-data)
	 (if do-print
	     (let* ((run-time (- (current-seconds) start-time))
		    (qry-rate (if (> run-time 0)
				  (inexact->exact (round (/  num-calls run-time)))
				  -1)))
		(print "Running "run-time"s, run "run-id
		    " has "(length all-run-data)" tests, max query "max-query
		    "ms with avg query rate "qry-rate" qry/s")))))
     all-run-ids)
    (loop (if do-print
	      (current-seconds)
	      last-print)
	  num-calls)))

Modified utils/nbfake from [3dc733e001] to [3e514ddfd2].

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nbfake <command to run>

nbfake behavior can be changed by setting the following env vars:
   NBFAKE_HOST       SSH to \$NBFAKE_HOST and run command
   NBFAKE_LOG        Logfile for nbfake output
   NB_WASH_GROUPS    comma-separated list of groups to wash into
   NB_WASH_ENABLED   must be set in order to enable wash groups


__EOF
  exit
fi

#==============================================================================
# Setup







>







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nbfake <command to run>

nbfake behavior can be changed by setting the following env vars:
   NBFAKE_HOST       SSH to \$NBFAKE_HOST and run command
   NBFAKE_LOG        Logfile for nbfake output
   NB_WASH_GROUPS    comma-separated list of groups to wash into
   NB_WASH_ENABLED   must be set in order to enable wash groups
   NBFAKE_QUIET      set to suppress informational output

__EOF
  exit
fi

#==============================================================================
# Setup
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   WASHCMD="wash -q -n $grouplist -X"
fi

#==============================================================================
# Run and log
#==============================================================================


cat <<__EOF >&2
#======================================================================
# NBFAKE logging command to: $MY_NBFAKE_LOG
#     $WASHCMD $*
#======================================================================
__EOF


if [[ -z "$MY_NBFAKE_HOST" ]]; then
  # Run locally
  sh -c "cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=\"$PATH\"; nohup $WASHCMD $* >> $MY_NBFAKE_LOG 2>&1 &"
else
  # run remotely
  ssh -X -n -f $MY_NBFAKE_HOST "sh -c \"cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=\"$PATH\"; nohup $WASHCMD $* >> $MY_NBFAKE_LOG 2>&1 &\""
fi







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   WASHCMD="wash -q -n $grouplist -X"
fi

#==============================================================================
# Run and log
#==============================================================================

if [[ -z "$NBFAKE_QUIET" ]];then
cat <<__EOF >&2
#======================================================================
# NBFAKE logging command to: $MY_NBFAKE_LOG
#     $WASHCMD $*
#======================================================================
__EOF
fi

if [[ -z "$MY_NBFAKE_HOST" ]]; then
  # Run locally
  sh -c "cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=\"$PATH\"; nohup $WASHCMD $* >> $MY_NBFAKE_LOG 2>&1 &"
else
  # run remotely
  ssh -X -n -f $MY_NBFAKE_HOST "sh -c \"cd $CURRWD;export DISPLAY=$DISPLAY; export PATH=\"$PATH\"; nohup $WASHCMD $* >> $MY_NBFAKE_LOG 2>&1 &\""
fi

Modified utils/plot-code.scm from [2b6e0cd992] to [692dd68f5f].

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;; Coming soon (right?) Usage: plot-code file1.scm,file2.scm "fun1,fun2,x*" *.scm > plot.dot
;; Usage: plot-code file1.scm,file2.scm *.scm > plot.dot
;;        dot -Tpdf plot.dot > plot.pdf
;; first param is comma separated list of files to include in the map, use - to do all
;; second param is list of regexs for functions to include in the map
;; third param is list of files to scan

(use regex srfi-69 srfi-13)









(define targs #f) 


(define files (cdr (cddddr (argv))))












(let ((targdat (cadddr (argv))))
  (if (equal? targdat "-")
      (set! targs files)
      (set! targs (string-split targdat ","))))

(define function-patt (car (cdr (cdddr (argv)))))
(define function-rx   (regexp function-patt))
(define filedat-defns (make-hash-table))
(define filedat-usages (make-hash-table))

(define defn-rx (regexp "^\\s*\\(define\\s+\\(([^\\s\\)]+).*"))
(define all-regexs (make-hash-table))








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<







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;; Coming soon (right?) Usage: plot-code file1.scm,file2.scm "fun1,fun2,x*" *.scm > plot.dot
;; Usage: plot-code file1.scm,file2.scm *.scm > plot.dot
;;        dot -Tpdf plot.dot > plot.pdf
;; first param is comma separated list of files to include in the map, use - to do all
;; second param is list of regexs for functions to include in the map
;; third param is list of files to scan

;; (use regex srfi-69 srfi-1 srfi-13)

(module plot-code
	*

(import scheme chicken.base chicken.port chicken.string chicken.io)
(import chicken.process-context)	
(import	regex srfi-1 srfi-69 srfi-13 matchable)

(define files #f)
(define targs #f)
(define function-patt #f)
(define targs #f) 

(match (command-line-arguments)
       ((targfiles fnrx . scanfiles)
	(set! targs (string-split-fields "," targfiles #:infix))
	(set! function-patt fnrx)
	(set! files scanfiles))
       (else
	(print "Usage: plot-code file1.scm,file2.scm *.scm > plot.dot
 dot -Tpdf plot.dot > plot.pdf")
	(exit)))

;; (define files (cdr (cddddr (argv))))
;; 
;; (let ((targdat (cadddr (argv))))
;;   (if (equal? targdat "-")
;;       (set! targs files)
;;       (set! targs (string-split targdat ","))))


(define function-rx   (regexp function-patt))
(define filedat-defns (make-hash-table))
(define filedat-usages (make-hash-table))

(define defn-rx (regexp "^\\s*\\(define\\s+\\(([^\\s\\)]+).*"))
(define all-regexs (make-hash-table))

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	       "\"" fnname "\" -> \"" callname "\";"))
      calls)))
 function-calls)

(print "}")

(exit)








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	       "\"" fnname "\" -> \"" callname "\";"))
      calls)))
 function-calls)

(print "}")

(exit)
)

Added utils/plot-uses.scm version [a8d79f928b].







































































































































































































































































































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#!/mfs/pkgs/chicken/4.8.0.5/bin/csi -nbq

;;  Copyright 2006-2017, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;

;; Coming soon (right?) Usage: plot-code file1.scm,file2.scm "fun1,fun2,x*" *.scm > plot.dot
;; Usage: plot-code file1.scm,file2.scm *.scm > plot.dot
;;        dot -Tpdf plot.dot > plot.pdf
;; first param is comma separated list of files to include in the map, use - to do all
;; second param is list of regexs for functions to include in the map
;; third param is list of files to scan

(module plot-uses
	*

(import scheme chicken)

(use regex srfi-69 srfi-13)
(use matchable data-structures ports extras)

(define unituses-rx (regexp "^\\(declare \\((unit|uses) ([^\\(\\)]+)\\).*"))

(define (print-err . data)
  (with-output-to-port (current-error-port)
    (lambda ()
      (apply print data))))

(define (process-file ignores fname)
  (with-input-from-file fname
    (lambda ()
      (let loop ((modname "DUMMYMOD"))
	(let* ((inl (read-line)))
	  (if (eof-object? inl)
	      #t
	      (match (string-search unituses-rx inl)
 	         ((_ dtype unitname)
		  (if (equal? dtype "unit")
		      (loop unitname)
		      (begin
			(if (equal? dtype "uses")
			    (if (not (or (member modname '("DUMMYMOD"))
					 (member modname ignores)
					 (member unitname ignores)))
				(print "  \""unitname"\" -> \""modname"\";"))
			    (print-err "ERROR: bad declare line \""inl"\""))
			(loop modname))))
		 (else
		  (loop modname)))))))))

(define (main)
  (match (command-line-arguments)
    (("todot" ignoreunits . files)
     (let* ((ignores (string-split ignoreunits ",")))
       (print-err "Making graph for files: " (string-intersperse files ", "))
       (print "digraph uses_unit {")
       (for-each
	(lambda (fname)
	  (print "// Filename: "fname)
	  (process-file ignores fname))
	files)
       (print "}")))
    (else
     (print-err "Usage: plot-uses u1,u2... file1.scm ...")
     (print-err "    where u1,u2... are units to ignore and file1.scm... are the files to process."))))

(main)

)
;; 
;; ;; Gather the usages
;; (print "digraph G {")
;; (define curr-cluster-num 0)
;; (define function-calls '())
;; 
;; (for-each
;;  (lambda (fname)
;;    (let ((last-func #f))
;;      (print-err "Processing file " fname)
;;      (print "subgraph cluster_" curr-cluster-num " {")
;;      (set! curr-cluster-num (+ curr-cluster-num 1))
;;      (with-input-from-file fname
;;        (lambda ()
;; 	 (with-output-to-port (current-error-port)
;; 	   (lambda ()
;; 	     (print "Analyzing file " fname)))
;; 	 (print "label=\"" fname "\";")
;; 	 (let loop ((inl    (read-line))
;; 		    (fnname "toplevel")
;; 		    (allcalls '()))
;; 	   (if (eof-object? inl)
;; 	       (begin
;; 		 (set! function-calls (cons (list fnname allcalls) function-calls))
;; 		 (for-each 
;; 		  (lambda (call-name)
;; 		    (hash-table-set! breadcrumbs call-name #t))
;; 		  allcalls)
;; 		 (print-err "function: " fnname " allcalls: " allcalls))
;; 	       (let ((match (string-match defn-rx inl)))
;; 		 (if match
;; 		     (let ((func-name (cadr match)))
;; 		       (if last-func
;; 			   (print "\"" func-name "\" -> \"" last-func "\";")
;; 			   (print "\"" func-name "\";"))
;; 		       (set! last-func func-name)
;; 		       (hash-table-set! breadcrumbs func-name #t)
;; 		       (loop (read-line)
;; 			     func-name
;; 			     allcalls))
;; 		     (let ((calls (look-for-all-calls inl fnname)))
;; 		       (loop (read-line) fnname (append allcalls calls)))))))))
;;      (print "}")))
;;  targs)
;; 
;; (print-err "breadcrumbs: " (hash-table-keys breadcrumbs))
;; (print-err "function-calls: " function-calls)
;; 
;; (for-each 
;;  (lambda (function-call)
;;    (print-err "function-call: " function-call)
;;    (let ((fnname (car function-call))
;; 	 (calls  (cadr function-call)))
;;      (for-each
;;       (lambda (callname)
;; 	(print (if (hash-table-ref/default breadcrumbs callname #f) "" "// ")
;; 	       "\"" fnname "\" -> \"" callname "\";"))
;;       calls)))
;;  function-calls)
;; 
;; (print "}")
;; 
;; (exit)
;;