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Check-in [f7272f26b7]
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Comment:Refactor start
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Timelines: family | ancestors | descendants | both | v1.80-reshape
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SHA1: f7272f26b76ed313fe87e882f76e35a6a0dd3eba
User & Date: matt on 2023-01-19 19:52:06
Other Links: branch diff | manifest | tags
Context
2023-01-19
20:54
Added mtserv check-in: cd59e5a125 user: matt tags: v1.80-reshape
19:52
Refactor start check-in: f7272f26b7 user: matt tags: v1.80-reshape
2023-01-18
22:17
Missing fix check-in: c608ac13c7 user: matt tags: v1.80
Changes

Modified Makefile from [2a2c13125c] to [dc6c1cabb4].

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# 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







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# 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	\
           configf.scm db.scm keys.scm margs.scm process.scm runs.scm	\
           tasks.scm tests.scm genexample.scm tdb.scm mt.scm		\

           ezsteps.scm lock-queue.scm api.scm subrun.scm		\
           portlogger.scm archive.scm env.scm diff-report.scm		\
           cgisetup/models/pgdb.scm

# server.scm http-transport.scm client.scm rmt.scm

# module source files
MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm \
            servermod.scm clientmod.scm rmtmod.scm

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

# 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

Modified api.scm from [e629c948c8] to [9e01c87f75].

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;;     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







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;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================

(use srfi-69 posix)

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

(import dbmod)
(import dbfile)
(import rmtmod)

;; allow these queries through without starting a server
;;
(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys

Modified client.scm from [6913337164] to [8200295969].

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(declare (unit client))

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

(module client
*

)



(import client)

(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))

;; 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 (http-transport:server-dat-make-url runremote)
(define (client:get-url runremote)
  (if (and (remote-iface runremote)
	   (remote-port  runremote))
      (conc "http://" 
	    (remote-iface runremote)
	    ":"
	    (remote-port  runremote))
      #f))

(define (client:setup areapath runremote #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
  (mutex-lock! *rmt-mutex*)
  (let ((res (client:setup-http areapath runremote remaining-tries: remaining-tries failed-connects: failed-connects area-dat: area-dat)))
    (mutex-unlock! *rmt-mutex*)
    res))

(define (client:setup-http areapath runremote #!key (remaining-tries 100) (failed-connects 0))
  (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))) ;; list host port start-time server-id pid
;;	     (runremote  (or area-dat *runremote*)))
	(if (not server-dat) ;; no server found
	    (begin
	      (if (< remaining-tries 99)(thread-sleep! 1)) ;; obviously it needs time
	      (client:setup-http areapath runremote 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 (not runremote)
                   (begin
		     ;; Here we are creating a runremote where there was none or it was clobbered with #f
		     ;;
		     (set! runremote (make-remote))
                     (let* ((server-info (server:check-if-running areapath)))
		       (remote-server-info-set! runremote server-info)
                       (if server-info
                           (begin
                             (remote-server-url-set! runremote (server:record->url server-info))
                             (remote-server-id-set! runremote (server:record->id server-info)))))))
	       ;; at this point we have a runremote
	       (if (and host port server-id)
		   (let* ((nada     (client:connect host port server-id runremote))
			  (ping-res (rmt:login-no-auto-client-setup runremote)))
		     (if ping-res
			 (if runremote
			     (begin
			       (debug:print-info 2 *default-log-port* "connected to " (client:get-url runremote))
			       runremote)
			     (client:setup-http areapath runremote 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 ... ping-res=" ping-res ", server-dat=" server-dat) ;; had runid.  Fixes part of Randy;s ticket 1405717332
			   (http-transport:close-connections runremote)
			   (thread-sleep! 1)
			   (client:setup-http areapath runremote 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 areapath runremote remaining-tries: (- remaining-tries 1)))))
	      (else
	       (debug:print 0 *default-log-port* "ERROR: malformed server-dat="server-dat)))))))

;;

;; connect - stored in remote-condat
;;
;; (define (http-transport:client-connect iface port server-id runremote)
(define (client:connect iface port server-id runremote-in)
  (let* ((runremote (or runremote-in
			(make-runremote))))
    (debug:print-info 2 *default-log-port* "Connecting to server at "iface":"port", 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)))
      (remote-iface-set!   runremote iface)
      (remote-port-set!    runremote port)
      (remote-server-id-set! runremote server-id)
      (remote-connect-time-set! runremote (current-seconds))
      (remote-last-access-set! runremote (current-seconds))
      (remote-api-url-set! runremote api-url)
      (remote-api-uri-set! runremote api-uri)
      (remote-api-req-set! runremote api-req)
      runremote)))









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(declare (unit client))

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

;; (module client

;; *

;; 
;; )
;; 
;; (import client)
;; 
;; (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))
;; 
;; ;; 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 (http-transport:server-dat-make-url runremote)
;; (define (client:get-url runremote)
;;   (if (and (remote-iface runremote)
;; 	   (remote-port  runremote))
;;       (conc "http://" 
;; 	    (remote-iface runremote)
;; 	    ":"
;; 	    (remote-port  runremote))
;;       #f))
;; 
;; (define (client:setup areapath runremote #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
;;   (mutex-lock! *rmt-mutex*)
;;   (let ((res (client:setup-http areapath runremote remaining-tries: remaining-tries failed-connects: failed-connects area-dat: area-dat)))
;;     (mutex-unlock! *rmt-mutex*)
;;     res))
;; 
;; (define (client:setup-http areapath runremote #!key (remaining-tries 100) (failed-connects 0))
;;   (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))) ;; list host port start-time server-id pid
;; ;;	     (runremote  (or area-dat *runremote*)))
;; 	(if (not server-dat) ;; no server found
;; 	    (begin
;; 	      (if (< remaining-tries 99)(thread-sleep! 1)) ;; obviously it needs time
;; 	      (client:setup-http areapath runremote 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 (not runremote)
;;                    (begin
;; 		     ;; Here we are creating a runremote where there was none or it was clobbered with #f
;; 		     ;;
;; 		     (set! runremote (make-remote))
;;                      (let* ((server-info (server:check-if-running areapath)))
;; 		       (remote-server-info-set! runremote server-info)
;;                        (if server-info
;;                            (begin
;;                              (remote-server-url-set! runremote (server:record->url server-info))
;;                              (remote-server-id-set! runremote (server:record->id server-info)))))))
;; 	       ;; at this point we have a runremote
;; 	       (if (and host port server-id)
;; 		   (let* ((nada     (client:connect host port server-id runremote))
;; 			  (ping-res (rmt:login-no-auto-client-setup runremote)))
;; 		     (if ping-res
;; 			 (if runremote
;; 			     (begin
;; 			       (debug:print-info 2 *default-log-port* "connected to " (client:get-url runremote))
;; 			       runremote)
;; 			     (client:setup-http areapath runremote 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 ... ping-res=" ping-res ", server-dat=" server-dat) ;; had runid.  Fixes part of Randy;s ticket 1405717332
;; 			   (http-transport:close-connections runremote)
;; 			   (thread-sleep! 1)
;; 			   (client:setup-http areapath runremote 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 areapath runremote remaining-tries: (- remaining-tries 1)))))
;; 	      (else
;; 	       (debug:print 0 *default-log-port* "ERROR: malformed server-dat="server-dat)))))))

;; 
;; ;;
;; ;; connect - stored in remote-condat
;; ;;
;; ;; (define (http-transport:client-connect iface port server-id runremote)
;; (define (client:connect iface port server-id runremote-in)
;;   (let* ((runremote (or runremote-in
;; 			(make-runremote))))
;;     (debug:print-info 2 *default-log-port* "Connecting to server at "iface":"port", 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)))
;;       (remote-iface-set!   runremote iface)
;;       (remote-port-set!    runremote port)
;;       (remote-server-id-set! runremote server-id)
;;       (remote-connect-time-set! runremote (current-seconds))
;;       (remote-last-access-set! runremote (current-seconds))
;;       (remote-api-url-set! runremote api-url)
;;       (remote-api-uri-set! runremote api-uri)
;;       (remote-api-req-set! runremote api-req)
;;       runremote)))
;; 
;; 

Added clientmod.scm version [b0583fa1cb].



































































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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 clientmod))

(module clientmod
*

)

Modified dashboard-context-menu.scm from [83fc3e6c83] to [7325252cd1].

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(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")







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(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 rmtmod))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

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

Modified dashboard-tests.scm from [b934cba7e8] to [e634889bb3].

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(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")







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(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 rmtmod))
(declare (uses ezsteps))
;; (declare (uses sdb))
;; (declare (uses filedb))
(declare (uses subrun))

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

Modified db.scm from [97e60b5bf8] to [a8c5e5bad4].

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(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")








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(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")

Modified diff-report.scm from [f999ffe6db] to [2363105245].

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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 rmtmod))
         
(include "common_records.scm")
(use matchable)
(use fmt)
(use ducttape-lib)
(define css "")

Modified http-transport.scm from [c450806bbf] to [8d8393f476].

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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 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))
	  (remote-conndat-set! runremote #f)
	  #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 2006-2012, 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 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))
;; 	  (remote-conndat-set! runremote #f)
;; 	  #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>")))
;; 

Modified megatest.scm from [79d9696058] to [71251d311f].

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(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))







<
<
















>
>
>







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(define (toplevel-command . a) #f)

(declare (uses common))
;; (declare (uses megatest-version))
(declare (uses margs))
(declare (uses runs))
(declare (uses launch))


(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 rmtmod))
(declare (uses clientmod))
(declare (uses servermod))
(declare (uses commonmod))
(declare (uses commonmod.import))
(declare (uses dbfile))
(declare (uses dbfile.import))
;; (declare (uses debugprint))
;; (declare (uses debugprint.import))
;; (declare (uses mtargs))

Modified mt.scm from [f748d1dc75] to [849e3c135b].

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(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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(declare (unit mt))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses servermod))
(declare (uses runs))
(declare (uses rmtmod))
;; (declare (uses filedb))

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

Modified rmt.scm from [ef90d475fb] to [fd3e261482].

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(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 runremote) ;; TODO: push areapath down.
  (let* ((cinfo     (if (remote? runremote)
			(remote-conndat runremote)
			#f)))
	  (if cinfo
	      cinfo
	      (if (server:check-if-running areapath)
		  (client:setup areapath runremote)
		  #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
	      (+ (remote-last-access 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.")
      (http-transport:close-connections runremote)
      ;; moving this setting of runremote conndat to #f to inside the http-transport:close-connections
      ;; (remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
      (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* runremote)) ;; 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 }

;; 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  (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 runremote cmd params)
			     ;; (http-transport:client-api-send-receive 0 conninfo cmd params runremote)
			     ((servermismatch)  (vector #f "Server id mismatch" ))
			     ((commfail)(vector #f "communications fail"))
			     ((exn)(vector #f "other fail" (print-call-chain)))))
	 (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)))
	(remote-last-access-set! runremote (current-seconds)) ;; refresh access time
	(begin
	  (debug:print 0 *default-log-port* "INFO: Should not get here! conninfo=" conninfo)
	  (set! conninfo #f)
	  (http-transport:close-connections 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))))))
	      (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))

(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
			;;	   (debug:print 0 *default-log-port* "ERROR: bad data from server " v " message: "  ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
			;;	   (vector #t '())) ;; should always get a vector but if something goes wrong return a dummy
				 (if (and (vector? v)
					  (> (vector-length v) 1))
				     (let ((newvec (vector (vector-ref v 0)(vector-ref v 1))))
				       newvec)           ;; by copying the vector while inside the error handler we should force the detection of a corrupted record
				     (vector #t '()))) ;; )  ;; we could also check that the returned types are valid
			      (vector #t '())))
	 (success        (vector-ref resdat 0))
	 (res            (vector-ref resdat 1))
	 (duration       (- (current-milliseconds) start)))
    (if (and read-only qry-is-write)
        (debug:print 0 *default-log-port* "ERROR: attempt to write to read-only database ignored. cmd=" cmd))
    (if (not success)
	(if (> remretries 0)
	    (begin
	      (debug:print-error 0 *default-log-port* "local query failed. Trying again.")
	      (thread-sleep! (/ (random 5000) 1000)) ;; some random delay 
	      (rmt:open-qry-close-locally cmd run-id params remretries: (- remretries 1)))
	    (begin
	      (debug:print-error 0 *default-log-port* "too many retries in rmt:open-qry-close-locally, giving up")
	      #f))
	(begin
	  ;; (rmt:update-db-stats run-id cmd params duration)
	  ;; mark this run as dirty if this was a write, the watchdog is responsible for syncing it
	  (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 runremote cmd run-id params)
  (let* ((run-id   (if run-id run-id 0))
	 (res  	   (http-transport:client-api-send-receive run-id runremote 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  
;;
;;======================================================================

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

(define (rmt:kill-server run-id)
  (rmt:send-receive 'kill-server run-id (list run-id)))

(define (rmt:start-server run-id)
  (rmt:send-receive 'start-server 0 (list run-id)))

;;======================================================================
;;  M I S C
;;======================================================================











(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))))

;; 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)))

(define (rmt:get-keys-write) ;; dummy query to force server start
  (let ((res (rmt:send-receive 'get-keys-write #f '())))
    (set! *db-keys* res)
    res))

;; we don't reuse run-id's (except possibly *after* a db cleanup) so it is safe
;; to cache the resuls in a hash
;;
(define (rmt:get-key-vals run-id)
  (or (hash-table-ref/default *keyvals* run-id #f)
      (let ((res (rmt:send-receive 'get-key-vals #f (list run-id))))
        (hash-table-set! *keyvals* run-id res)
        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)))
	(result      '()))
    (if (null? run-id-list)
	'()
	(let loop ((hed     (car run-id-list))
		   (tal     (cdr run-id-list))
		   (threads '()))
	  (if (> (length threads) 5)
	      (loop hed tal (filter (lambda (th)(not (member (thread-state th) '(terminated dead)))) threads))
	      (let* ((newthread (make-thread
				 (lambda ()
				   (let ((res (rmt:send-receive 'get-tests-for-run-mindata hed (list hed testpatt states status not-in))))
				     (if (list? res)
					 (begin
					   (mutex-lock! multi-run-mutex)
					   (set! result (append result res))
					   (mutex-unlock! multi-run-mutex))
					 (debug:print-error 0 *default-log-port* "get-tests-for-run-mindata failed for run-id " hed ", testpatt " testpatt ", states " states ", status " status ", not-in " not-in))))
				 (conc "multi-run-thread for run-id " hed)))
		     (newthreads (cons newthread threads)))
		(thread-start! newthread)
		(thread-sleep! 0.05) ;; give that thread some time to start
		(if (null? tal)
		    newthreads
		    (loop (car tal)(cdr tal) newthreads))))))
    result))

;; ;; 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 ((run-id-list (if run-ids
;; 			 run-ids
;; 			 (rmt:get-all-run-ids))))









;;     (apply append (map (lambda (run-id)
;; 			 (rmt:send-receive 'get-tests-for-run-mindata run-id (list run-ids testpatt states status not-in)))











;; 		       run-id-list))))

(define (rmt:delete-test-records run-id test-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'delete-test-records run-id (list run-id test-id)))




(define (rmt:test-set-state-status run-id test-id state status msg)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-set-state-status run-id (list run-id test-id state status msg)))















(define (rmt:test-toplevel-num-items run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-toplevel-num-items run-id (list run-id test-name)))

;; (define (rmt:get-previous-test-run-record run-id test-name item-path)
;;   (rmt:send-receive 'get-previous-test-run-record run-id (list run-id test-name item-path)))

(define (rmt:get-matching-previous-test-run-records run-id test-name item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-matching-previous-test-run-records run-id (list run-id test-name item-path)))

(define (rmt:test-get-logfile-info run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-get-logfile-info run-id (list run-id test-name)))

(define (rmt:test-get-records-for-index-file run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-get-records-for-index-file run-id (list run-id test-name)))

(define (rmt:get-testinfo-state-status run-id test-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-testinfo-state-status run-id (list run-id test-id)))

(define (rmt:test-set-log! run-id test-id logf)
  (assert (number? run-id) "FATAL: Run id required.")
  (if (string? logf)(rmt:general-call 'test-set-log run-id logf test-id)))

(define (rmt:test-set-top-process-pid run-id test-id pid)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-set-top-process-pid run-id (list run-id test-id pid)))

(define (rmt:test-get-top-process-pid run-id test-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-get-top-process-pid run-id (list run-id test-id)))

(define (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)
  (rmt:send-receive 'get-run-ids-matching-target #f (list keynames target res runname testpatt statepatt statuspatt)))

;; NOTE: This will open and access ALL run databases. 
;;


(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.")
  (rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id)))

(define (rmt:get-not-completed-cnt run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-not-completed-cnt run-id (list run-id)))


;; Statistical queries

(define (rmt:get-count-tests-running run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-count-tests-running run-id (list run-id)))

(define (rmt:get-count-tests-running-for-testname run-id testname)
  (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.")
  (rmt:general-call 'update-pass-fail-counts run-id test-name test-name test-name))

(define (rmt:top-test-set-per-pf-counts run-id test-name)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'top-test-set-per-pf-counts run-id (list run-id test-name)))

(define (rmt:get-raw-run-stats run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-raw-run-stats run-id (list run-id)))

(define (rmt:get-test-times runname target)
  (rmt:send-receive 'get-test-times #f (list runname target ))) 

;;======================================================================
;;  R U N S
;;======================================================================

;; BUG - LOOK AT HOW THIS WORKS!!!




;;
(define (rmt:get-run-info run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-info #f (list run-id)))


(define (rmt:get-num-runs runpatt)
  (rmt:send-receive 'get-num-runs #f (list runpatt)))

(define (rmt:get-runs-cnt-by-patt runpatt targetpatt keys)
  (rmt:send-receive 'get-runs-cnt-by-patt #f (list runpatt  targetpatt keys)))

;; Use the special run-id == #f scenario here since there is no run yet
(define (rmt:register-run keyvals runname state status user contour)

  (rmt:send-receive 'register-run #f (list keyvals runname state status user contour)))
    
(define (rmt:get-run-name-from-id run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-name-from-id #f (list run-id)))

(define (rmt:delete-run run-id)
  (rmt:send-receive 'delete-run #f (list run-id)))







(define (rmt:update-run-stats run-id stats)

  (rmt:send-receive 'update-run-stats #f (list run-id stats)))

(define (rmt:delete-old-deleted-test-records)
  (rmt:send-receive 'delete-old-deleted-test-records #f '()))

(define (rmt:get-runs runpatt count offset keypatts)
  (rmt:send-receive 'get-runs #f (list runpatt count offset keypatts)))

(define (rmt:simple-get-runs runpatt count offset target last-update)
  (rmt:send-receive 'simple-get-runs #f (list runpatt count offset target last-update)))

(define (rmt:get-all-run-ids)
  (rmt:send-receive 'get-all-run-ids #f '()))

(define (rmt:get-prev-run-ids run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-prev-run-ids #f (list run-id)))

(define (rmt:lock/unlock-run run-id lock unlock user)
  (assert (number? run-id) "FATAL: Run id required.")


  (rmt:send-receive 'lock/unlock-run #f (list run-id lock unlock user)))





















;; set/get status
(define (rmt:get-run-status run-id)
  (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.")
  (rmt:send-receive 'set-run-state-status #f (list run-id state status)))

(define (rmt:update-tesdata-on-repilcate-db old-lt new-lt)
(rmt:send-receive 'update-tesdata-on-repilcate-db #f (list old-lt new-lt)))

(define (rmt:update-run-event_time run-id)
  (assert (number? run-id) "FATAL: Run id required.")







  (rmt:send-receive 'update-run-event_time #f (list run-id)))

(define (rmt:get-runs-by-patt  keys runnamepatt targpatt offset limit fields last-runs-update  #!key  (sort-order "asc")) ;; fields of #f uses default
  (rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update sort-order)))

(define (rmt:find-and-mark-incomplete run-id ovr-deadtime)
  (assert (number? run-id) "FATAL: Run id required.")
  ;; (if (rmt:send-receive 'have-incompletes? run-id (list run-id ovr-deadtime))
  (rmt:send-receive 'mark-incomplete run-id (list run-id ovr-deadtime))) ;; )

(define (rmt:get-main-run-stats run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-main-run-stats #f (list run-id)))

(define (rmt:get-var varname)
  (rmt:send-receive 'get-var #f (list varname)))

(define (rmt:del-var varname)
  (rmt:send-receive 'del-var #f (list varname)))

(define (rmt:set-var varname value)
  (rmt:send-receive 'set-var #f (list varname value)))

(define (rmt:inc-var varname)
  (rmt:send-receive 'inc-var #f (list varname)))

(define (rmt:dec-var varname)
  (rmt:send-receive 'dec-var #f (list varname)))

(define (rmt:add-var varname value)
  (rmt:send-receive 'add-var #f (list varname value)))

;;======================================================================
;; M U L T I R U N   Q U E R I E S
;;======================================================================

;; Need to move this to multi-run section and make associated changes
(define (rmt:find-and-mark-incomplete-all-runs #!key (ovr-deadtime #f))
  (let ((run-ids (rmt:get-all-run-ids)))
    (for-each (lambda (run-id)
	       (rmt:find-and-mark-incomplete run-id ovr-deadtime))
	     run-ids)))

;; get the previous record for when this test was run where all keys match but runname
;; returns #f if no such test found, returns a single test record if found
;; 
;; Run this at the client end since we have to connect to multiple run-id dbs
;;
(define (rmt:get-previous-test-run-record run-id test-name item-path)
  (let* ((keyvals (rmt:get-key-val-pairs run-id))
	 (keys    (rmt:get-keys))
	 (selstr  (string-intersperse  keys ","))
	 (qrystr  (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND ")))
    (if (not keyvals)
	#f
	(let ((prev-run-ids (rmt:get-prev-run-ids run-id)))
	  ;; for each run starting with the most recent look to see if there is a matching test
	  ;; if found then return that matching test record
	  (debug:print 4 *default-log-port* "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals ", previous run ids found: " prev-run-ids)
	  (if (null? prev-run-ids) #f
	      (let loop ((hed (car prev-run-ids))
			 (tal (cdr prev-run-ids)))
		(let ((results (rmt:get-tests-for-run hed (conc test-name "/" item-path) '() '() ;; run-id testpatt states statuses
						      #f #f #f               ;; offset limit not-in hide/not-hide
						      #f #f #f #f 'normal))) ;; sort-by sort-order qryvals last-update mode
		  (debug:print 4 *default-log-port* "Got tests for run-id " run-id ", test-name " test-name ", item-path " item-path ": " results)
		  (if (and (null? results)
			   (not (null? tal)))
		      (loop (car tal)(cdr tal))
		      (if (null? results) #f
			  (car results))))))))))

(define (rmt:get-run-stats)
  (rmt:send-receive 'get-run-stats #f '()))

;;======================================================================
;;  S T E P S
;;======================================================================

;; Getting steps is more complicated.
;;
;; If given work area 
;;  1. Find the testdat.db file
;;  2. Open the testdat.db file and do the query
;; If not given the work area
;;  1. Do a remote call to get the test path
;;  2. Continue as above
;; 
;;(define (rmt:get-steps-for-test run-id test-id)
;;  (rmt:send-receive 'get-steps-data run-id (list test-id)))

(define (rmt:teststep-set-status! run-id test-id teststep-name state-in status-in comment logfile)
  (assert (number? run-id) "FATAL: Run id required.")
  (let* ((state     (items:check-valid-items "state" state-in))
	 (status    (items:check-valid-items "status" status-in)))
    (if (or (not state)(not status))
	(debug:print 3 *default-log-port* "WARNING: Invalid " (if status "status" "state")
		     " value \"" (if status state-in status-in) "\", update your validvalues section in megatest.config"))
    (rmt:send-receive 'teststep-set-status! run-id (list run-id test-id teststep-name state-in status-in comment logfile))))


(define (rmt:delete-steps-for-test! run-id test-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'delete-steps-for-test! run-id (list run-id test-id)))

(define (rmt:get-steps-for-test run-id test-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-steps-for-test run-id (list run-id test-id)))

(define (rmt:get-steps-info-by-id run-id test-step-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-steps-info-by-id #f (list run-id test-step-id)))

;;======================================================================
;;  T E S T   D A T A 
;;======================================================================

(define (rmt:read-test-data run-id test-id categorypatt #!key (work-area #f)) 
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'read-test-data run-id (list run-id test-id categorypatt)))

(define (rmt:read-test-data-varpatt run-id test-id categorypatt varpatt #!key (work-area #f)) 
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'read-test-data-varpatt run-id (list run-id test-id categorypatt varpatt)))

(define (rmt:get-data-info-by-id run-id test-data-id)
  (assert (number? run-id) "FATAL: Run id required.")
   (rmt:send-receive 'get-data-info-by-id #f (list run-id test-data-id)))

(define (rmt:testmeta-add-record testname)
  (rmt:send-receive 'testmeta-add-record #f (list testname)))

(define (rmt:testmeta-get-record testname)
  (rmt:send-receive 'testmeta-get-record #f (list testname)))

(define (rmt:testmeta-update-field test-name fld val)
  (rmt:send-receive 'testmeta-update-field #f (list test-name fld val)))

(define (rmt:test-data-rollup run-id test-id status)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'test-data-rollup run-id (list run-id test-id status)))

(define (rmt:csv->test-data run-id test-id csvdata)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'csv->test-data run-id (list run-id test-id csvdata)))

;;======================================================================
;;  T A S K S
;;======================================================================

(define (rmt:tasks-find-task-queue-records target run-name test-patt state-patt action-patt)
  (rmt:send-receive 'find-task-queue-records #f (list target run-name test-patt state-patt action-patt)))

(define (rmt:tasks-add action owner target runname testpatt params)
  (rmt:send-receive 'tasks-add #f (list action owner target runname testpatt params)))

(define (rmt:tasks-set-state-given-param-key param-key new-state)
  (rmt:send-receive 'tasks-set-state-given-param-key #f (list  param-key new-state)))

(define (rmt:tasks-get-last target runname)
  (rmt:send-receive 'tasks-get-last #f (list target runname)))

;;======================================================================
;; N O   S Y N C   D B 
;;======================================================================

(define (rmt:no-sync-set var val)
  (rmt:send-receive 'no-sync-set #f `(,var ,val)))

(define (rmt:no-sync-get/default var default)
  (rmt:send-receive 'no-sync-get/default #f `(,var ,default)))

(define (rmt:no-sync-del! var)
  (rmt:send-receive 'no-sync-del! #f `(,var)))

(define (rmt:no-sync-get-lock keyname)
  (rmt:send-receive 'no-sync-get-lock #f `(,keyname)))

;;======================================================================
;; A R C H I V E S
;;======================================================================

(define (rmt:archive-get-allocations  testname itempath dneeded)
  (rmt:send-receive 'archive-get-allocations #f (list testname itempath dneeded)))

(define (rmt:archive-register-block-name bdisk-id archive-path)
  (rmt:send-receive 'archive-register-block-name #f (list bdisk-id archive-path)))

(define (rmt:archive-allocate-testsuite/area-to-block block-id testsuite-name areakey)
  (rmt:send-receive 'archive-allocate-test-to-block #f (list  block-id testsuite-name areakey)))

(define (rmt:archive-register-disk bdisk-name bdisk-path df)
  (rmt:send-receive 'archive-register-disk #f (list bdisk-name bdisk-path df)))

(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*)
  (http-transport:close-connections 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 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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(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 runremote) ;; TODO: push areapath down.
;;   (let* ((cinfo     (if (remote? runremote)
;; 			(remote-conndat runremote)
;; 			#f)))
;; 	  (if cinfo
;; 	      cinfo
;; 	      (if (server:check-if-running areapath)
;; 		  (client:setup areapath runremote)
;; 		  #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
;; 	      (+ (remote-last-access 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.")
;;       (http-transport:close-connections runremote)
;;       ;; moving this setting of runremote conndat to #f to inside the http-transport:close-connections
;;       ;; (remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
;;       (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* runremote)) ;; 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 }
;; 
;; ;; 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  (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 runremote cmd params)
;; 			     ;; (http-transport:client-api-send-receive 0 conninfo cmd params runremote)
;; 			     ((servermismatch)  (vector #f "Server id mismatch" ))
;; 			     ((commfail)(vector #f "communications fail"))
;; 			     ((exn)(vector #f "other fail" (print-call-chain)))))
;; 	 (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)))
;; 	(remote-last-access-set! runremote (current-seconds)) ;; refresh access time
;; 	(begin
;; 	  (debug:print 0 *default-log-port* "INFO: Should not get here! conninfo=" conninfo)
;; 	  (set! conninfo #f)
;; 	  (http-transport:close-connections 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))))))
;; 	      (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))
;; 
;; (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
;; 			;;	   (debug:print 0 *default-log-port* "ERROR: bad data from server " v " message: "  ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
;; 			;;	   (vector #t '())) ;; should always get a vector but if something goes wrong return a dummy
;; 				 (if (and (vector? v)
;; 					  (> (vector-length v) 1))
;; 				     (let ((newvec (vector (vector-ref v 0)(vector-ref v 1))))
;; 				       newvec)           ;; by copying the vector while inside the error handler we should force the detection of a corrupted record
;; 				     (vector #t '()))) ;; )  ;; we could also check that the returned types are valid
;; 			      (vector #t '())))
;; 	 (success        (vector-ref resdat 0))
;; 	 (res            (vector-ref resdat 1))
;; 	 (duration       (- (current-milliseconds) start)))
;;     (if (and read-only qry-is-write)
;;         (debug:print 0 *default-log-port* "ERROR: attempt to write to read-only database ignored. cmd=" cmd))
;;     (if (not success)
;; 	(if (> remretries 0)
;; 	    (begin
;; 	      (debug:print-error 0 *default-log-port* "local query failed. Trying again.")
;; 	      (thread-sleep! (/ (random 5000) 1000)) ;; some random delay 
;; 	      (rmt:open-qry-close-locally cmd run-id params remretries: (- remretries 1)))
;; 	    (begin
;; 	      (debug:print-error 0 *default-log-port* "too many retries in rmt:open-qry-close-locally, giving up")
;; 	      #f))
;; 	(begin
;; 	  ;; (rmt:update-db-stats run-id cmd params duration)
;; 	  ;; mark this run as dirty if this was a write, the watchdog is responsible for syncing it
;; 	  (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 runremote cmd run-id params)
;;   (let* ((run-id   (if run-id run-id 0))
;; 	 (res  	   (http-transport:client-api-send-receive run-id runremote 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  
;; ;;
;; ;;======================================================================
;; 
;; ;;======================================================================
;; ;;  S E R V E R










;; ;;======================================================================
;; 
;; (define (rmt:kill-server run-id)
;;   (rmt:send-receive 'kill-server run-id (list run-id)))
;; 
;; (define (rmt:start-server run-id)
;;   (rmt:send-receive 'start-server 0 (list run-id)))
;; 
;; ;;======================================================================
;; ;;  M I S C
;; ;;======================================================================
;; 
;; (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))))
;; 
;; ;; 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)))
;; 
;; (define (rmt:get-keys-write) ;; dummy query to force server start
;;   (let ((res (rmt:send-receive 'get-keys-write #f '())))
;;     (set! *db-keys* res)
;;     res))
;; 
;; ;; we don't reuse run-id's (except possibly *after* a db cleanup) so it is safe
;; ;; to cache the resuls in a hash
;; ;;
;; (define (rmt:get-key-vals run-id)
;;   (or (hash-table-ref/default *keyvals* run-id #f)
;;       (let ((res (rmt:send-receive 'get-key-vals #f (list run-id))))
;;         (hash-table-set! *keyvals* run-id res)
;;         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)))
;; 	(result      '()))
;;     (if (null? run-id-list)
;; 	'()
;; 	(let loop ((hed     (car run-id-list))
;; 		   (tal     (cdr run-id-list))
;; 		   (threads '()))
;; 	  (if (> (length threads) 5)
;; 	      (loop hed tal (filter (lambda (th)(not (member (thread-state th) '(terminated dead)))) threads))
;; 	      (let* ((newthread (make-thread
;; 				 (lambda ()
;; 				   (let ((res (rmt:send-receive 'get-tests-for-run-mindata hed (list hed testpatt states status not-in))))
;; 				     (if (list? res)
;; 					 (begin
;; 					   (mutex-lock! multi-run-mutex)
;; 					   (set! result (append result res))
;; 					   (mutex-unlock! multi-run-mutex))
;; 					 (debug:print-error 0 *default-log-port* "get-tests-for-run-mindata failed for run-id " hed ", testpatt " testpatt ", states " states ", status " status ", not-in " not-in))))
;; 				 (conc "multi-run-thread for run-id " hed)))
;; 		     (newthreads (cons newthread threads)))
;; 		(thread-start! newthread)
;; 		(thread-sleep! 0.05) ;; give that thread some time to start
;; 		(if (null? tal)
;; 		    newthreads
;; 		    (loop (car tal)(cdr tal) newthreads))))))



;;     result))
;; 
;; ;; ;; 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 ((run-id-list (if run-ids
;; ;; 			 run-ids
;; ;; 			 (rmt:get-all-run-ids))))
;; ;;     (apply append (map (lambda (run-id)
;; ;; 			 (rmt:send-receive 'get-tests-for-run-mindata run-id (list run-ids testpatt states status not-in)))
;; ;; 		       run-id-list))))
;; 
;; (define (rmt:delete-test-records run-id test-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'delete-test-records run-id (list run-id test-id)))
;; 
;; (define (rmt:test-set-state-status run-id test-id state status msg)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-set-state-status run-id (list run-id test-id state status msg)))
;; 
;; (define (rmt:test-toplevel-num-items run-id test-name)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-toplevel-num-items run-id (list run-id test-name)))
;; 
;; ;; (define (rmt:get-previous-test-run-record run-id test-name item-path)
;; ;;   (rmt:send-receive 'get-previous-test-run-record run-id (list run-id test-name item-path)))
;; 
;; (define (rmt:get-matching-previous-test-run-records run-id test-name item-path)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-matching-previous-test-run-records run-id (list run-id test-name item-path)))
;; 
;; (define (rmt:test-get-logfile-info run-id test-name)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-get-logfile-info run-id (list run-id test-name)))
;; 
;; (define (rmt:test-get-records-for-index-file run-id test-name)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-get-records-for-index-file run-id (list run-id test-name)))
;; 
;; (define (rmt:get-testinfo-state-status run-id test-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-testinfo-state-status run-id (list run-id test-id)))
;; 
;; (define (rmt:test-set-log! run-id test-id logf)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (if (string? logf)(rmt:general-call 'test-set-log run-id logf test-id)))
;; 
;; (define (rmt:test-set-top-process-pid run-id test-id pid)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-set-top-process-pid run-id (list run-id test-id pid)))
;; 
;; (define (rmt:test-get-top-process-pid run-id test-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-get-top-process-pid run-id (list run-id test-id)))
;; 
;; (define (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)
;;   (rmt:send-receive 'get-run-ids-matching-target #f (list keynames target res runname testpatt statepatt statuspatt)))


;; 
;; ;; NOTE: This will open and access ALL run databases. 
;; ;;
;; (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.")
;;   (rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id)))
;; 
;; (define (rmt:get-not-completed-cnt run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-not-completed-cnt run-id (list run-id)))
;; 
;; 
;; ;; Statistical queries
;; 
;; (define (rmt:get-count-tests-running run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-count-tests-running run-id (list run-id)))
;; 
;; (define (rmt:get-count-tests-running-for-testname run-id testname)
;;   (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.")
;;   (rmt:general-call 'update-pass-fail-counts run-id test-name test-name test-name))

;; 

;; (define (rmt:top-test-set-per-pf-counts run-id test-name)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'top-test-set-per-pf-counts run-id (list run-id test-name)))
;; 
;; (define (rmt:get-raw-run-stats run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-raw-run-stats run-id (list run-id)))
;; 
;; (define (rmt:get-test-times runname target)
;;   (rmt:send-receive 'get-test-times #f (list runname target ))) 
;; 
;; ;;======================================================================
;; ;;  R U N S
;; ;;======================================================================
;; 
;; ;; BUG - LOOK AT HOW THIS WORKS!!!
;; ;;
;; (define (rmt:get-run-info run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-run-info #f (list run-id)))
;; 
;; (define (rmt:get-num-runs runpatt)
;;   (rmt:send-receive 'get-num-runs #f (list runpatt)))
;; 
;; (define (rmt:get-runs-cnt-by-patt runpatt targetpatt keys)
;;   (rmt:send-receive 'get-runs-cnt-by-patt #f (list runpatt  targetpatt keys)))
;; 


;; ;; Use the special run-id == #f scenario here since there is no run yet
;; (define (rmt:register-run keyvals runname state status user contour)
;;   (rmt:send-receive 'register-run #f (list keyvals runname state status user contour)))
;;     
;; (define (rmt:get-run-name-from-id run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-run-name-from-id #f (list run-id)))
;; 
;; (define (rmt:delete-run run-id)
;;   (rmt:send-receive 'delete-run #f (list run-id)))
;; 
;; (define (rmt:update-run-stats run-id stats)
;;   (rmt:send-receive 'update-run-stats #f (list run-id stats)))
;; 
;; (define (rmt:delete-old-deleted-test-records)
;;   (rmt:send-receive 'delete-old-deleted-test-records #f '()))
;; 
;; (define (rmt:get-runs runpatt count offset keypatts)
;;   (rmt:send-receive 'get-runs #f (list runpatt count offset keypatts)))
;; 
;; (define (rmt:simple-get-runs runpatt count offset target last-update)
;;   (rmt:send-receive 'simple-get-runs #f (list runpatt count offset target last-update)))
;; 
;; (define (rmt:get-all-run-ids)
;;   (rmt:send-receive 'get-all-run-ids #f '()))
;; 
;; (define (rmt:get-prev-run-ids run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-prev-run-ids #f (list run-id)))
;; 
;; (define (rmt:lock/unlock-run run-id lock unlock user)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'lock/unlock-run #f (list run-id lock unlock user)))
;; 
;; ;; set/get status
;; (define (rmt:get-run-status run-id)
;;   (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.")
;;   (rmt:send-receive 'set-run-state-status #f (list run-id state status)))
;; 
;; (define (rmt:update-tesdata-on-repilcate-db old-lt new-lt)
;; (rmt:send-receive 'update-tesdata-on-repilcate-db #f (list old-lt new-lt)))
;; 
;; (define (rmt:update-run-event_time run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'update-run-event_time #f (list run-id)))
;; 
;; (define (rmt:get-runs-by-patt  keys runnamepatt targpatt offset limit fields last-runs-update  #!key  (sort-order "asc")) ;; fields of #f uses default
;;   (rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update sort-order)))
;; 
;; (define (rmt:find-and-mark-incomplete run-id ovr-deadtime)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   ;; (if (rmt:send-receive 'have-incompletes? run-id (list run-id ovr-deadtime))
;;   (rmt:send-receive 'mark-incomplete run-id (list run-id ovr-deadtime))) ;; )
;; 
;; (define (rmt:get-main-run-stats run-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-main-run-stats #f (list run-id)))
;; 
;; (define (rmt:get-var varname)
;;   (rmt:send-receive 'get-var #f (list varname)))
;; 
;; (define (rmt:del-var varname)
;;   (rmt:send-receive 'del-var #f (list varname)))
;; 
;; (define (rmt:set-var varname value)
;;   (rmt:send-receive 'set-var #f (list varname value)))
;; 
;; (define (rmt:inc-var varname)
;;   (rmt:send-receive 'inc-var #f (list varname)))
;; 
;; (define (rmt:dec-var varname)
;;   (rmt:send-receive 'dec-var #f (list varname)))
;; 
;; (define (rmt:add-var varname value)
;;   (rmt:send-receive 'add-var #f (list varname value)))
;; 
;; ;;======================================================================
;; ;; M U L T I R U N   Q U E R I E S
;; ;;======================================================================
;; 
;; ;; Need to move this to multi-run section and make associated changes
;; (define (rmt:find-and-mark-incomplete-all-runs #!key (ovr-deadtime #f))
;;   (let ((run-ids (rmt:get-all-run-ids)))
;;     (for-each (lambda (run-id)
;; 	       (rmt:find-and-mark-incomplete run-id ovr-deadtime))
;; 	     run-ids)))
;; 
;; ;; get the previous record for when this test was run where all keys match but runname
;; ;; returns #f if no such test found, returns a single test record if found
;; ;; 
;; ;; Run this at the client end since we have to connect to multiple run-id dbs
;; ;;
;; (define (rmt:get-previous-test-run-record run-id test-name item-path)
;;   (let* ((keyvals (rmt:get-key-val-pairs run-id))
;; 	 (keys    (rmt:get-keys))
;; 	 (selstr  (string-intersperse  keys ","))
;; 	 (qrystr  (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND ")))
;;     (if (not keyvals)
;; 	#f
;; 	(let ((prev-run-ids (rmt:get-prev-run-ids run-id)))
;; 	  ;; for each run starting with the most recent look to see if there is a matching test
;; 	  ;; if found then return that matching test record
;; 	  (debug:print 4 *default-log-port* "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals ", previous run ids found: " prev-run-ids)
;; 	  (if (null? prev-run-ids) #f
;; 	      (let loop ((hed (car prev-run-ids))
;; 			 (tal (cdr prev-run-ids)))
;; 		(let ((results (rmt:get-tests-for-run hed (conc test-name "/" item-path) '() '() ;; run-id testpatt states statuses
;; 						      #f #f #f               ;; offset limit not-in hide/not-hide
;; 						      #f #f #f #f 'normal))) ;; sort-by sort-order qryvals last-update mode
;; 		  (debug:print 4 *default-log-port* "Got tests for run-id " run-id ", test-name " test-name ", item-path " item-path ": " results)
;; 		  (if (and (null? results)
;; 			   (not (null? tal)))
;; 		      (loop (car tal)(cdr tal))
;; 		      (if (null? results) #f
;; 			  (car results))))))))))
;; 
;; (define (rmt:get-run-stats)
;;   (rmt:send-receive 'get-run-stats #f '()))
;; 
;; ;;======================================================================
;; ;;  S T E P S
;; ;;======================================================================
;; 
;; ;; Getting steps is more complicated.
;; ;;
;; ;; If given work area 
;; ;;  1. Find the testdat.db file
;; ;;  2. Open the testdat.db file and do the query
;; ;; If not given the work area
;; ;;  1. Do a remote call to get the test path
;; ;;  2. Continue as above
;; ;; 
;; ;;(define (rmt:get-steps-for-test run-id test-id)
;; ;;  (rmt:send-receive 'get-steps-data run-id (list test-id)))
;; 
;; (define (rmt:teststep-set-status! run-id test-id teststep-name state-in status-in comment logfile)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (let* ((state     (items:check-valid-items "state" state-in))
;; 	 (status    (items:check-valid-items "status" status-in)))
;;     (if (or (not state)(not status))
;; 	(debug:print 3 *default-log-port* "WARNING: Invalid " (if status "status" "state")
;; 		     " value \"" (if status state-in status-in) "\", update your validvalues section in megatest.config"))
;;     (rmt:send-receive 'teststep-set-status! run-id (list run-id test-id teststep-name state-in status-in comment logfile))))
;; 
;; 
;; (define (rmt:delete-steps-for-test! run-id test-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'delete-steps-for-test! run-id (list run-id test-id)))
;; 
;; (define (rmt:get-steps-for-test run-id test-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-steps-for-test run-id (list run-id test-id)))
;; 
;; (define (rmt:get-steps-info-by-id run-id test-step-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'get-steps-info-by-id #f (list run-id test-step-id)))
;; 
;; ;;======================================================================
;; ;;  T E S T   D A T A 
;; ;;======================================================================
;; 
;; (define (rmt:read-test-data run-id test-id categorypatt #!key (work-area #f)) 
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'read-test-data run-id (list run-id test-id categorypatt)))
;; 
;; (define (rmt:read-test-data-varpatt run-id test-id categorypatt varpatt #!key (work-area #f)) 
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'read-test-data-varpatt run-id (list run-id test-id categorypatt varpatt)))
;; 
;; (define (rmt:get-data-info-by-id run-id test-data-id)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;    (rmt:send-receive 'get-data-info-by-id #f (list run-id test-data-id)))
;; 
;; (define (rmt:testmeta-add-record testname)
;;   (rmt:send-receive 'testmeta-add-record #f (list testname)))
;; 
;; (define (rmt:testmeta-get-record testname)
;;   (rmt:send-receive 'testmeta-get-record #f (list testname)))
;; 
;; (define (rmt:testmeta-update-field test-name fld val)
;;   (rmt:send-receive 'testmeta-update-field #f (list test-name fld val)))
;; 
;; (define (rmt:test-data-rollup run-id test-id status)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'test-data-rollup run-id (list run-id test-id status)))
;; 
;; (define (rmt:csv->test-data run-id test-id csvdata)
;;   (assert (number? run-id) "FATAL: Run id required.")
;;   (rmt:send-receive 'csv->test-data run-id (list run-id test-id csvdata)))
;; 
;; ;;======================================================================
;; ;;  T A S K S
;; ;;======================================================================
;; 
;; (define (rmt:tasks-find-task-queue-records target run-name test-patt state-patt action-patt)
;;   (rmt:send-receive 'find-task-queue-records #f (list target run-name test-patt state-patt action-patt)))
;; 
;; (define (rmt:tasks-add action owner target runname testpatt params)
;;   (rmt:send-receive 'tasks-add #f (list action owner target runname testpatt params)))
;; 
;; (define (rmt:tasks-set-state-given-param-key param-key new-state)
;;   (rmt:send-receive 'tasks-set-state-given-param-key #f (list  param-key new-state)))
;; 
;; (define (rmt:tasks-get-last target runname)
;;   (rmt:send-receive 'tasks-get-last #f (list target runname)))
;; 
;; ;;======================================================================
;; ;; N O   S Y N C   D B 
;; ;;======================================================================
;; 
;; (define (rmt:no-sync-set var val)
;;   (rmt:send-receive 'no-sync-set #f `(,var ,val)))
;; 
;; (define (rmt:no-sync-get/default var default)
;;   (rmt:send-receive 'no-sync-get/default #f `(,var ,default)))
;; 
;; (define (rmt:no-sync-del! var)
;;   (rmt:send-receive 'no-sync-del! #f `(,var)))
;; 
;; (define (rmt:no-sync-get-lock keyname)
;;   (rmt:send-receive 'no-sync-get-lock #f `(,keyname)))
;; 
;; ;;======================================================================
;; ;; A R C H I V E S
;; ;;======================================================================
;; 
;; (define (rmt:archive-get-allocations  testname itempath dneeded)
;;   (rmt:send-receive 'archive-get-allocations #f (list testname itempath dneeded)))
;; 
;; (define (rmt:archive-register-block-name bdisk-id archive-path)
;;   (rmt:send-receive 'archive-register-block-name #f (list bdisk-id archive-path)))
;; 
;; (define (rmt:archive-allocate-testsuite/area-to-block block-id testsuite-name areakey)
;;   (rmt:send-receive 'archive-allocate-test-to-block #f (list  block-id testsuite-name areakey)))
;; 
;; (define (rmt:archive-register-disk bdisk-name bdisk-path df)
;;   (rmt:send-receive 'archive-register-disk #f (list bdisk-name bdisk-path df)))
;; 
;; (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*)
;;   (http-transport:close-connections 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 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)
;; 

Modified rmtmod.scm from [4f89f84546] to [ffeffb4f22].

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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 commonmod))






(module rmtmod
	*
	





















































)

Modified runs.scm from [dd48ee309d] to [292b302d70].

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(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")







|







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(declare (unit runs))
(declare (uses db))
(declare (uses common))
(declare (uses items))
(declare (uses runconfig))
(declare (uses tests))
(declare (uses servermod))
(declare (uses mt))
(declare (uses archive))
;; (declare (uses filedb))

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

Modified server.scm from [1a43f0a48b] to [2e5e406a72].

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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
      (conc "http://" (car hostport) ":" (cadr hostport))))

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

;;======================================================================
;; P K T S   S T U F F 
;;======================================================================

;; ???

;;======================================================================
;; P K T S   S T U F F 
;;======================================================================

;; ???

;;======================================================================
;; 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*
      *transport-type*
      (let ((ttype (string->symbol
		    (or (args:get-arg "-transport")
			(configf:lookup *configdat* "server" "transport")
			"rpc"))))
	(set! *transport-type* ttype)
	ttype)))
	    
;; Generate a unique signature for this server
(define (server:mk-signature)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list (current-directory)
                                          (current-process-id)
					  (argv)))))))

(define (server:get-client-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (server:mk-signature))) ;; clients re-use the server:mk-signature logic
        (set! *my-client-signature* sig)
        *my-client-signature*)))

(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 "
			  "")
		      ;; " -log " logfile
		      " -m testsuite:" testsuite
		      " " profile-mode
		      )) ;; (conc " >> " logfile " 2>&1 &")))))
	 (log-rotate  (make-thread common:rotate-logs  "server run, rotate logs thread")) ;; why are we rotating logs here? This is a sensitive location with a lot going on!?
         (load-limit  (configf:lookup-number *configdat* "jobtools" "max-server-start-load" default: 3.0)))
    ;; we want the remote server to start in *toppath* so push there
    (push-directory areapath)
    (debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
    (thread-start! log-rotate)
    
    ;; host.domain.tld match host?
    ;; (if (and target-host 
    ;; 	     ;; look at target host, is it host.domain.tld or ip address and does it 
    ;; 	     ;; match current ip or hostname
    ;; 	     (not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
    ;; 	     (not (equal? curr-ip target-host)))
    ;; 	(begin
    ;; 	  (debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
    ;; 	  (setenv "TARGETHOST" target-host)))
    ;;   
    (setenv "TARGETHOST_LOGF" logfile)
    (thread-sleep! (/ (random 3000) 1000)) ;; add a random initial delay. It seems pretty common that many running tests request a server at the same time
    (debug:print 0 *default-log-port* "INFO: starting server at " (common:human-time))
    (system (conc "nbfake " cmdln))
    (unsetenv "TARGETHOST_LOGF")
    ;; (if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
    (thread-join! log-rotate)
    (pop-directory)))

;; given a path to a server log return: host port startseconds server-id
;; any changes to number of elements returned by this fuction will dirctly affect server:record->url,server:record->id,server:kill,server:get-num-alive which use match let 
;; 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 (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)))
;;     ;; if the directory exists continue to get the list
;;     ;; otherwise attempt to create the logs dir and then
;;     ;; continue
;;     (if (if (directory-exists? (conc areapath "/logs"))
;; 	    '()
;; 	    (if (file-write-access? areapath)
;; 		(begin
;; 		  (condition-case
;; 		   (create-directory (conc areapath "/logs") #t)
;; 		   (exn (i/o file)(debug:print 0 *default-log-port* "ERROR: Cannot create directory at " (conc areapath "/logs")))
;; 		   (exn ()(debug:print 0 *default-log-port* "ERROR: Unknown error attemtping to get server list. exn=" exn)))
;; 		  (directory-exists? (conc areapath "/logs")))
;; 		'()))
;; 
;;         ;; Get the list of server logs.
;; 	(let* (
;;                ;; For some reason, when I uncomment the below line, ext-tests sometimes starts 1000's of servers.
;;                ;; (exiting-servers (system (conc "bash -c 'rm -f `grep -il exiting " areapath "/logs/server-*-*.log 2> /dev/null`'")))
;;                (server-logs   (glob (conc areapath "/logs/server-*-*.log")))
;; 	       (num-serv-logs (length server-logs)))
;; 	  (if (or (null? server-logs) (= num-serv-logs 0))
;;               (let ()
;;                  (debug:print 2  *default-log-port* "There are no servers running at " (common:human-time))
;; 	         '()
;;               )
;; 	      (let loop ((hed  (string-chomp (car server-logs)))
;; 			 (tal  (cdr server-logs))
;; 			 (res '()))
;; 		(let* ((mod-time  (handle-exceptions
;; 				   exn
;; 				   (begin
;; 				     (debug:print 0 *default-log-port* "server:get-list: failed to get modification time on " hed ", exn=" exn)
;; 				     (current-seconds)) ;; 0
;; 				   (file-modification-time hed))) ;; default to *very* old so log gets ignored if deleted
;; 		       (down-time (- (current-seconds) mod-time))
;; 		       (serv-dat  (if (or (< num-serv-logs 10)
;; 				  	  (< down-time 900)) ;; day-seconds))
;; 				      (server:logf-get-start-info hed)
;; 				      '())) ;; don't waste time processing server files not touched in the 15 minutes if there are more than ten servers to look at
;; 		       (serv-rec (cons mod-time serv-dat))
;; 		       (fmatch   (string-match fname-rx hed))
;; 		       (pid      (if fmatch (string->number (list-ref fmatch 2)) #f))
;; 		       (new-res  (if (null? serv-dat)
;; 				     res
;; 				     (cons (append serv-rec (list pid)) res)))) ;; any changes to number of elements in new-res will dirctly affect server:record->url,server:record->id,server:kill,server:get-num-alive which uses match let 
;; 		  (if (null? tal)
;; 		      (if (and limit
;; 			       (> (length new-res) limit))
;; 			  new-res ;; (take new-res limit)  <= need intelligent sorting before this will work
;; 			  new-res)
;; 		      (loop (string-chomp (car tal)) (cdr tal) new-res)))))))))

#;(define (server:get-num-alive srvlst)
  (let ((num-alive 0))
    (for-each
     (lambda (server)
        (handle-exceptions
          exn
         (begin 
          (debug:print-info 0 *default-log-port*  "Unable to get server start-time and/or mod-time from " server ", exn=" exn))
       (match-let (((mod-time host port start-time server-id pid)
		    server))
	 (let* ((uptime  (- (current-seconds) mod-time))
		(runtime (if start-time
			     (- mod-time start-time)
			     0)))
	   (if (< uptime 5)(set! num-alive (+ num-alive 1)))))))
     srvlst)
    num-alive))

;; ;; given a list of servers get a list of valid servers, i.e. at least
;; ;; 10 seconds old, has started and is less than 1 hour old and is
;; ;; active (i.e. mod-time < 10 seconds
;; ;;
;; ;; mod-time host port start-time pid
;; ;;
;; ;; sort by start-time descending. I.e. get the oldest first. Young servers will thus drop off
;; ;; and servers should stick around for about two hours or so.
;; ;;
;; (define (server:get-best srvlst)
;;   (let* ((nums (server:get-num-servers))
;; 	 (now  (current-seconds))
;; 	 (slst (sort
;; 		(filter (lambda (rec)
;; 			  (if (and (list? rec)
;; 				   (> (length rec) 2))
;; 			      (let ((start-time (list-ref rec 3))
;; 				    (mod-time   (list-ref rec 0)))
;; 				;; (print "start-time: " start-time " mod-time: " mod-time)
;; 				(and start-time mod-time
;; 				     (> (- now start-time) 0)    ;; been running at least 0 seconds
;; 				     (< (- now mod-time)   16)   ;; still alive - file touched in last 16 seconds
;; 				     (or (not (configf:lookup *configdat* "server" "runtime")) ;; skip if not set
;; 					 (< (- now start-time)       
;; 					    (+ (- (string->number (configf:lookup *configdat* "server" "runtime"))
;; 					       180)
;; 					    (random 360)))) ;; under one hour running time +/- 180
;; 				     ))
;; 			      #f))
;; 			srvlst)
;; 		(lambda (a b)
;; 		  (< (list-ref a 3)
;; 		     (list-ref b 3))))))
;;     (if (> (length slst) nums)
;; 	(take slst nums)
;; 	slst)))

;; ;; switch from server:get-list to server:get-servers-info
;; ;;
;; (define (server:get-first-best areapath)
;;   (let ((srvrs (server:get-best (server:get-list areapath))))
;;     (if (and srvrs
;; 	     (not (null? srvrs)))
;; 	(car srvrs)
;; 	#f)))
;; 
;; (define (server:get-rand-best areapath)
;;   (let ((srvrs (server:get-best (server:get-list areapath))))
;;     (if (and (list? srvrs)
;; 	     (not (null? srvrs)))
;; 	(let* ((len (length srvrs))
;; 	       (idx (random len)))
;; 	  (list-ref srvrs idx))
;; 	#f)))

(define (server:record->id servr)
  (handle-exceptions
   exn
   (begin 
     (debug:print-info 0 *default-log-port*  "Unable to get server id from " servr ", exn=" exn)     
   #f)
  (match-let (((host port start-time server-id pid)
	       servr))
    (if server-id
	server-id
	#f))))

(define (server:record->url servr)
  (handle-exceptions
   exn
   (begin 
     (debug:print-info 0 *default-log-port*  "Unable to get server url from " servr ", exn=" exn)     
   #f)
  (match-let (((host port start-time server-id pid)
	       servr))
    (if (and host port)
	(conc host ":" port)
	#f))))


;; if server-start-last exists, and wasn't old enough, wait <idle time> + 1, then call this function recursively until it is old enough.
;; if it is old enough, overwrite it and wait 0.25 seconds.
;; if it then has the wrong server key, wait <idle time> + 1 and call this function recursively.
;;
#;(define (server:wait-for-server-start-last-flag areapath)
  (let* ((start-flag (conc areapath "/logs/server-start-last"))
	 ;;; THIS INTERACTS WITH [server] timeout. Suggest using 0.1 or above for timeout (6 seconds)
	 (idletime    (configf:lookup-number *configdat* "server" "idletime" default: 4))
	 (server-key (conc (get-host-name) "-" (current-process-id))))
    (if (file-exists? start-flag)
	(let* ((fmodtime (file-modification-time start-flag))
	       (delta    (- (current-seconds) fmodtime))
	       (old-enough   (> delta idletime))
               (new-server-key ""))
          ;; write start-flag file, wait 0.25s, then if previously the start-flag file was older than <idletime> seconds, and the new file still has the same server key as you just wrote, return #t.
	  ;; the intention is to make sure nfs can read the file we just wrote, and make sure it was written by us, and not another process.
           (if (and old-enough
		    (begin
                      (debug:print-info 2 *default-log-port* "Writing " start-flag)
		      (with-output-to-file start-flag (lambda () (print server-key)))
		      (thread-sleep! 0.25)
		      (set! new-server-key (with-input-from-file start-flag (lambda () (read-line))))
		      (equal? server-key new-server-key)))
	       #t
               ;; If either of the above conditions is not true, print a "Gating server start" message, wait <idle-time> + 1, then call this function recursively. 
	       (begin
		 (debug:print-info 0 *default-log-port* "Gating server start, last start: "
				   (seconds->time-string fmodtime) ", time since last start: " delta ", required idletime: " idletime ", gating reason:" (if old-enough "another job started a server" "too soon to start another server"))
		 
		 (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
  (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)
	     (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-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?)
  (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)
  (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
	  (server:run areapath)
	  (thread-sleep! 20) ;; don't release the lock for at least a few seconds. And allow time for the server startup to get to "SERVER STARTED".
	  (common:simple-file-release-lock lock-file)))
      (debug:print-info 0 *default-log-port* "Found server already running. NOT trying to start another.")))

;; this one seems to be the general entry point
;;
(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))
                   (tal (cdr servers)))
          (let ((res (server:check-server hed)))
            (if res
                hed
                (if (null? tal)
                    #f
                    (loop (car tal)(cdr tal)))))))))

;; ping the given server
;;
(define (server:check-server server-record)
  (let* ((server-url (server:record->url server-record))
         (server-id  (server:record->id server-record)) 
         (res        (server:ping server-url server-id)))
    (if res
        server-url
	#f)))

(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 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-remote))
	     (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)))
	(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 (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))
	600)))

(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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;;     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
;;       (conc "http://" (car hostport) ":" (cadr hostport))))
;; 
;; (define  *server-loop-heart-beat* (current-seconds))
;; 
;; ;;======================================================================
;; ;; P K T S   S T U F F 
;; ;;======================================================================
;; 
;; ;; ???
;; 
;; ;;======================================================================
;; ;; P K T S   S T U F F 
;; ;;======================================================================
;; 
;; ;; ???
;; 
;; ;;======================================================================
;; ;; 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*
;;       *transport-type*
;;       (let ((ttype (string->symbol
;; 		    (or (args:get-arg "-transport")
;; 			(configf:lookup *configdat* "server" "transport")
;; 			"rpc"))))
;; 	(set! *transport-type* ttype)
;; 	ttype)))
;; 	    
;; ;; Generate a unique signature for this server
;; (define (server:mk-signature)
;;   (message-digest-string (md5-primitive) 
;; 			 (with-output-to-string
;; 			   (lambda ()
;; 			     (write (list (current-directory)
;;                                           (current-process-id)
;; 					  (argv)))))))
;; 
;; (define (server:get-client-signature)
;;   (if *my-client-signature* *my-client-signature*
;;       (let ((sig (server:mk-signature))) ;; clients re-use the server:mk-signature logic
;;         (set! *my-client-signature* sig)
;;         *my-client-signature*)))
;; 
;; (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 "
;; 			  "")
;; 		      ;; " -log " logfile
;; 		      " -m testsuite:" testsuite
;; 		      " " profile-mode
;; 		      )) ;; (conc " >> " logfile " 2>&1 &")))))
;; 	 (log-rotate  (make-thread common:rotate-logs  "server run, rotate logs thread")) ;; why are we rotating logs here? This is a sensitive location with a lot going on!?
;;          (load-limit  (configf:lookup-number *configdat* "jobtools" "max-server-start-load" default: 3.0)))
;;     ;; we want the remote server to start in *toppath* so push there
;;     (push-directory areapath)
;;     (debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
;;     (thread-start! log-rotate)
;;     
;;     ;; host.domain.tld match host?
;;     ;; (if (and target-host 
;;     ;; 	     ;; look at target host, is it host.domain.tld or ip address and does it 
;;     ;; 	     ;; match current ip or hostname
;;     ;; 	     (not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
;;     ;; 	     (not (equal? curr-ip target-host)))
;;     ;; 	(begin
;;     ;; 	  (debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
;;     ;; 	  (setenv "TARGETHOST" target-host)))
;;     ;;   
;;     (setenv "TARGETHOST_LOGF" logfile)
;;     (thread-sleep! (/ (random 3000) 1000)) ;; add a random initial delay. It seems pretty common that many running tests request a server at the same time
;;     (debug:print 0 *default-log-port* "INFO: starting server at " (common:human-time))
;;     (system (conc "nbfake " cmdln))
;;     (unsetenv "TARGETHOST_LOGF")
;;     ;; (if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
;;     (thread-join! log-rotate)
;;     (pop-directory)))
;; 
;; ;; given a path to a server log return: host port startseconds server-id
;; ;; any changes to number of elements returned by this fuction will dirctly affect server:record->url,server:record->id,server:kill,server:get-num-alive which use match let 
;; ;; 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 (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)))
;; ;;     ;; if the directory exists continue to get the list
;; ;;     ;; otherwise attempt to create the logs dir and then
;; ;;     ;; continue
;; ;;     (if (if (directory-exists? (conc areapath "/logs"))
;; ;; 	    '()
;; ;; 	    (if (file-write-access? areapath)
;; ;; 		(begin
;; ;; 		  (condition-case
;; ;; 		   (create-directory (conc areapath "/logs") #t)
;; ;; 		   (exn (i/o file)(debug:print 0 *default-log-port* "ERROR: Cannot create directory at " (conc areapath "/logs")))
;; ;; 		   (exn ()(debug:print 0 *default-log-port* "ERROR: Unknown error attemtping to get server list. exn=" exn)))
;; ;; 		  (directory-exists? (conc areapath "/logs")))
;; ;; 		'()))
;; ;; 
;; ;;         ;; Get the list of server logs.
;; ;; 	(let* (
;; ;;                ;; For some reason, when I uncomment the below line, ext-tests sometimes starts 1000's of servers.
;; ;;                ;; (exiting-servers (system (conc "bash -c 'rm -f `grep -il exiting " areapath "/logs/server-*-*.log 2> /dev/null`'")))
;; ;;                (server-logs   (glob (conc areapath "/logs/server-*-*.log")))
;; ;; 	       (num-serv-logs (length server-logs)))
;; ;; 	  (if (or (null? server-logs) (= num-serv-logs 0))
;; ;;               (let ()
;; ;;                  (debug:print 2  *default-log-port* "There are no servers running at " (common:human-time))
;; ;; 	         '()
;; ;;               )
;; ;; 	      (let loop ((hed  (string-chomp (car server-logs)))
;; ;; 			 (tal  (cdr server-logs))
;; ;; 			 (res '()))
;; ;; 		(let* ((mod-time  (handle-exceptions
;; ;; 				   exn
;; ;; 				   (begin
;; ;; 				     (debug:print 0 *default-log-port* "server:get-list: failed to get modification time on " hed ", exn=" exn)
;; ;; 				     (current-seconds)) ;; 0
;; ;; 				   (file-modification-time hed))) ;; default to *very* old so log gets ignored if deleted
;; ;; 		       (down-time (- (current-seconds) mod-time))
;; ;; 		       (serv-dat  (if (or (< num-serv-logs 10)
;; ;; 				  	  (< down-time 900)) ;; day-seconds))
;; ;; 				      (server:logf-get-start-info hed)
;; ;; 				      '())) ;; don't waste time processing server files not touched in the 15 minutes if there are more than ten servers to look at
;; ;; 		       (serv-rec (cons mod-time serv-dat))
;; ;; 		       (fmatch   (string-match fname-rx hed))
;; ;; 		       (pid      (if fmatch (string->number (list-ref fmatch 2)) #f))
;; ;; 		       (new-res  (if (null? serv-dat)
;; ;; 				     res
;; ;; 				     (cons (append serv-rec (list pid)) res)))) ;; any changes to number of elements in new-res will dirctly affect server:record->url,server:record->id,server:kill,server:get-num-alive which uses match let 
;; ;; 		  (if (null? tal)
;; ;; 		      (if (and limit
;; ;; 			       (> (length new-res) limit))
;; ;; 			  new-res ;; (take new-res limit)  <= need intelligent sorting before this will work
;; ;; 			  new-res)
;; ;; 		      (loop (string-chomp (car tal)) (cdr tal) new-res)))))))))
;; 
;; #;(define (server:get-num-alive srvlst)
;;   (let ((num-alive 0))
;;     (for-each
;;      (lambda (server)
;;         (handle-exceptions
;;           exn
;;          (begin 
;;           (debug:print-info 0 *default-log-port*  "Unable to get server start-time and/or mod-time from " server ", exn=" exn))
;;        (match-let (((mod-time host port start-time server-id pid)
;; 		    server))
;; 	 (let* ((uptime  (- (current-seconds) mod-time))
;; 		(runtime (if start-time
;; 			     (- mod-time start-time)
;; 			     0)))
;; 	   (if (< uptime 5)(set! num-alive (+ num-alive 1)))))))
;;      srvlst)
;;     num-alive))
;; 
;; ;; ;; given a list of servers get a list of valid servers, i.e. at least
;; ;; ;; 10 seconds old, has started and is less than 1 hour old and is
;; ;; ;; active (i.e. mod-time < 10 seconds
;; ;; ;;
;; ;; ;; mod-time host port start-time pid
;; ;; ;;
;; ;; ;; sort by start-time descending. I.e. get the oldest first. Young servers will thus drop off
;; ;; ;; and servers should stick around for about two hours or so.
;; ;; ;;
;; ;; (define (server:get-best srvlst)
;; ;;   (let* ((nums (server:get-num-servers))
;; ;; 	 (now  (current-seconds))
;; ;; 	 (slst (sort
;; ;; 		(filter (lambda (rec)
;; ;; 			  (if (and (list? rec)
;; ;; 				   (> (length rec) 2))
;; ;; 			      (let ((start-time (list-ref rec 3))
;; ;; 				    (mod-time   (list-ref rec 0)))
;; ;; 				;; (print "start-time: " start-time " mod-time: " mod-time)
;; ;; 				(and start-time mod-time
;; ;; 				     (> (- now start-time) 0)    ;; been running at least 0 seconds
;; ;; 				     (< (- now mod-time)   16)   ;; still alive - file touched in last 16 seconds
;; ;; 				     (or (not (configf:lookup *configdat* "server" "runtime")) ;; skip if not set
;; ;; 					 (< (- now start-time)       
;; ;; 					    (+ (- (string->number (configf:lookup *configdat* "server" "runtime"))
;; ;; 					       180)
;; ;; 					    (random 360)))) ;; under one hour running time +/- 180
;; ;; 				     ))
;; ;; 			      #f))
;; ;; 			srvlst)
;; ;; 		(lambda (a b)
;; ;; 		  (< (list-ref a 3)
;; ;; 		     (list-ref b 3))))))
;; ;;     (if (> (length slst) nums)
;; ;; 	(take slst nums)
;; ;; 	slst)))
;; 
;; ;; ;; switch from server:get-list to server:get-servers-info
;; ;; ;;
;; ;; (define (server:get-first-best areapath)
;; ;;   (let ((srvrs (server:get-best (server:get-list areapath))))
;; ;;     (if (and srvrs
;; ;; 	     (not (null? srvrs)))
;; ;; 	(car srvrs)
;; ;; 	#f)))
;; ;; 
;; ;; (define (server:get-rand-best areapath)
;; ;;   (let ((srvrs (server:get-best (server:get-list areapath))))
;; ;;     (if (and (list? srvrs)
;; ;; 	     (not (null? srvrs)))
;; ;; 	(let* ((len (length srvrs))
;; ;; 	       (idx (random len)))
;; ;; 	  (list-ref srvrs idx))
;; ;; 	#f)))
;; 
;; (define (server:record->id servr)
;;   (handle-exceptions
;;    exn
;;    (begin 
;;      (debug:print-info 0 *default-log-port*  "Unable to get server id from " servr ", exn=" exn)     
;;    #f)
;;   (match-let (((host port start-time server-id pid)
;; 	       servr))
;;     (if server-id
;; 	server-id
;; 	#f))))
;; 
;; (define (server:record->url servr)
;;   (handle-exceptions
;;    exn
;;    (begin 
;;      (debug:print-info 0 *default-log-port*  "Unable to get server url from " servr ", exn=" exn)     
;;    #f)
;;   (match-let (((host port start-time server-id pid)
;; 	       servr))
;;     (if (and host port)
;; 	(conc host ":" port)
;; 	#f))))
;; 
;; 
;; ;; if server-start-last exists, and wasn't old enough, wait <idle time> + 1, then call this function recursively until it is old enough.
;; ;; if it is old enough, overwrite it and wait 0.25 seconds.
;; ;; if it then has the wrong server key, wait <idle time> + 1 and call this function recursively.
;; ;;
;; #;(define (server:wait-for-server-start-last-flag areapath)
;;   (let* ((start-flag (conc areapath "/logs/server-start-last"))
;; 	 ;;; THIS INTERACTS WITH [server] timeout. Suggest using 0.1 or above for timeout (6 seconds)
;; 	 (idletime    (configf:lookup-number *configdat* "server" "idletime" default: 4))
;; 	 (server-key (conc (get-host-name) "-" (current-process-id))))
;;     (if (file-exists? start-flag)
;; 	(let* ((fmodtime (file-modification-time start-flag))
;; 	       (delta    (- (current-seconds) fmodtime))
;; 	       (old-enough   (> delta idletime))
;;                (new-server-key ""))
;;           ;; write start-flag file, wait 0.25s, then if previously the start-flag file was older than <idletime> seconds, and the new file still has the same server key as you just wrote, return #t.
;; 	  ;; the intention is to make sure nfs can read the file we just wrote, and make sure it was written by us, and not another process.
;;            (if (and old-enough
;; 		    (begin
;;                       (debug:print-info 2 *default-log-port* "Writing " start-flag)
;; 		      (with-output-to-file start-flag (lambda () (print server-key)))
;; 		      (thread-sleep! 0.25)
;; 		      (set! new-server-key (with-input-from-file start-flag (lambda () (read-line))))
;; 		      (equal? server-key new-server-key)))
;; 	       #t
;;                ;; If either of the above conditions is not true, print a "Gating server start" message, wait <idle-time> + 1, then call this function recursively. 
;; 	       (begin
;; 		 (debug:print-info 0 *default-log-port* "Gating server start, last start: "
;; 				   (seconds->time-string fmodtime) ", time since last start: " delta ", required idletime: " idletime ", gating reason:" (if old-enough "another job started a server" "too soon to start another server"))
;; 		 
;; 		 (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
;;   (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)
;; 	     (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-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?)
;;   (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)
;;   (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
;; 	  (server:run areapath)
;; 	  (thread-sleep! 20) ;; don't release the lock for at least a few seconds. And allow time for the server startup to get to "SERVER STARTED".
;; 	  (common:simple-file-release-lock lock-file)))
;;       (debug:print-info 0 *default-log-port* "Found server already running. NOT trying to start another.")))
;; 
;; ;; this one seems to be the general entry point
;; ;;
;; (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))
;;                    (tal (cdr servers)))
;;           (let ((res (server:check-server hed)))
;;             (if res
;;                 hed
;;                 (if (null? tal)
;;                     #f
;;                     (loop (car tal)(cdr tal)))))))))
;; 
;; ;; ping the given server
;; ;;
;; (define (server:check-server server-record)
;;   (let* ((server-url (server:record->url server-record))
;;          (server-id  (server:record->id server-record)) 
;;          (res        (server:ping server-url server-id)))
;;     (if res
;;         server-url
;; 	#f)))
;; 
;; (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 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-remote))
;; 	     (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)))
;; 	(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 (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))
;; 	600)))
;; 
;; (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))
;; 
;; 

Added servermod.scm version [98edfd795f].

















































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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 (unit servermod))

(module servermod
*

)

Modified tasks.scm from [0f38bdbcce] to [abd648b927].

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(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")







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(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 rmtmod))
(declare (uses common))
(declare (uses pgdb))

(import dbfile)
;; (import pgdb) ;; pgdb is a module

(include "task_records.scm")

Modified tcmt.scm from [6658a745e5] to [6df8bd7de9].

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(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")








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(use srfi-1 posix srfi-69 srfi-18 regex defstruct)

(use trace)
;; (trace-call-sites #t)

(declare (uses margs))
(declare (uses rmtmod))
(declare (uses common))
;; (declare (uses megatest-version))

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

Modified tdb.scm from [6edff6262d] to [d3b22aeea7].

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(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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(import (prefix sqlite3 sqlite3:))
(import (prefix base64 base64:))

(declare (unit tdb))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses clientmod))
(declare (uses mt))
(declare (uses db))

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

Modified tests.scm from [5c2006972a] to [d338c8419d].

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(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)








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(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 servermod))
;;(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)

Modified tree.scm from [8e1d4da5cd] to [0e8e68fe0a].

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(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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(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")