Megatest

mtest-reaper: $(PREFIX)/bin/mtest-reaper

# install dashboard as dboard so wrapper script can be called dashboard
$(PREFIX)/bin/.$(ARCHSTR)/dboard : dboard $(FILES) utils/mk_wrapper
	utils/mk_wrapper $(PREFIX) dboard $(PREFIX)/bin/dashboard
	chmod a+x $(PREFIX)/bin/dashboard
	$(INSTALL) dboard $(PREFIX)/bin/.$(ARCHSTR)/dboard

$(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so : lib/libpangox-1.0.so
	if [[ $(ARCHSTR) == 12.5 ]]; then \
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib; \
	$(INSTALL) lib/libpangox-1.0.so $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so; \
	fi

$(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so.0 : lib/libpangox-1.0.so.0
	if [[ $(ARCHSTR) == 12.5 ]]; then \
	mkdir -p $(PREFIX)/bin/.$(ARCHSTR)/lib; \
	$(INSTALL) lib/libpangox-1.0.so.0 $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so.0; \
        fi

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

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

# $(PREFIX)/bin/newdashboard

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

    get-all-run-ids
    get-prev-run-ids
    get-run-ids-matching-target
    get-runs-by-patt
    get-steps-data
    get-steps-for-test
    read-test-data
    read-test-data-varpatt
    login
    tasks-get-last
    testmeta-get-record
    have-incompletes?
    ;; synchash-get
    get-changed-record-ids
    get-run-record-ids 

				   cmd-in
				   (string->symbol cmd-in)))
            (params            (vector-ref dat 1))
            (start-t           (current-milliseconds))
            (readonly-mode     (dbr:dbstruct-read-only dbstruct))
            (readonly-command  (member cmd api:read-only-queries))
            (writecmd-in-readonly-mode (and readonly-mode (not readonly-command)))
            #;(foo               (begin
                                 (common:telemetry-log (conc "api-in:"(->string cmd))
                                                       payload: `((params . ,params)))
                                 
                                 #t))
            (res    
             (if writecmd-in-readonly-mode
                 (conc "attempt to run write command "cmd" on a read-only database")

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

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

                   ;; MISC
                   ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
                   ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
                   ((login)                        (apply db:login dbstruct params))
                   ((general-call)                 (let ((stmtname   (car params))

       ;; save all stats
       (let ((delta-t (- (current-milliseconds)
			 start-t)))
	 (hash-table-set! *db-api-call-time* cmd
			  (cons delta-t (hash-table-ref/default *db-api-call-time* cmd '()))))
       (if writecmd-in-readonly-mode
           (begin
             #;(common:telemetry-log (conc "api-out:"(->string cmd))
                                   payload: `((params . ,params)
                                              (ok-res . #t)))
	     (vector #f res))
           (begin
             #;(common:telemetry-log (conc "api-out:"(->string cmd))
                                   payload: `((params . ,params)
                                              (ok-res . #f)))
             (vector #t res))))))))

;; http-server  send-response
;;                 api:process-request
;;                    db:*
;;
;; NB// Runs on the server as part of the server loop
;;
(define (api:process-request dbstruct $) ;; the $ is the request vars proc
  (debug:print 4 *default-log-port* "server-id:"  *server-id*)
  (let* ((cmd     ($ 'cmd))
	 (paramsj ($ 'params))
         (key     ($ 'key))   
	 (params  (db:string->obj paramsj transport: 'http))) ;; incoming data from the POST (or is it a GET?)
    (debug:print 4 *default-log-port* "cmd:" cmd " with params " params "key " key)
    (if (equal? key *server-id*)
      (begin
        (set! *api-process-request-count* (+ *api-process-request-count* 1))
 	(let* ((resdat  (api:execute-requests dbstruct (vector cmd params))) ;; process the request, resdat = #( flag result )
	       (success (vector-ref resdat 0))
	       (res     (vector-ref resdat 1))) ;; (vector flag payload), get the payload, ignore the flag (why?)
	  (debug:print 4 *default-log-port* "res:" res)
	  (if (not success)
	      (debug:print 0 *default-log-port* "ERROR: success flag is #f for " cmd " with params " params))
	  (if (> *api-process-request-count* *max-api-process-requests*)
	      (set! *max-api-process-requests* *api-process-request-count*))
	  (set! *api-process-request-count* (- *api-process-request-count* 1))
	  ;; This can be here but needs controls to ensure it doesn't run more than every 4 seconds
	  ;; (rmt:dat->json-str

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





)

		    (let ((res (cons block-id archive-path)))
		      (hash-table-set! blockid-cache key res)
		      res)
		    (begin
		      (debug:print 0 *default-log-port* "WARNING: no disk found for " target ", " run-name ", " test-name ",  archive-path=" archive-path)
		      #f)))
	      (begin
		(debug:print 0 *default-log-port* "WARNING: no disk found for " target ", " run-name ", " test-name )
		#f)))))) ;; no best disk found

;; archive - run bup
;;
;; 1. create the bup dir if not exists
;; 2. start the du of each directory
;; 3. gen index

	  (toplevel/children
	   (debug:print 0 *default-log-port* "WARNING: cannot archive " test-name " with id " test-id
			" as it is a toplevel test with children"))
	  ((not (common:file-exists? test-path))
	   (debug:print 0 *default-log-port* "WARNING: Cannot archive " test-name "/" item-path
			" as path " test-path " does not exist"))
	  (else
	   (debug:print 2 *default-log-port*
			"From test-dat=" test-dat " derived the following:\n"
			"test-partial-path  = " test-partial-path "\n"
			"test-path          = " test-path "\n"
			"test-physical-path = " test-physical-path "\n"
			"partial-path-index = " partial-path-index "\n"
			"test-base          = " test-base)
	   (hash-table-set! disk-groups test-base

	       (create-directory archive-dir #t))
	   (case archiver
	     ((bup) ;; Archive using bup
	      (let* ((bup-init-params  (list "-d" archive-dir "init"))
		     (bup-index-params (append (list "-d" archive-dir "index") test-paths))
		     (bup-save-params  (append (list "-d" archive-dir "save" ;; (conc "--strip-path=" linktree)
						     (conc "-" compress) ;; or (conc "--compress=" compress)
						     "-n" (conc (common:get-testsuite-name) "-"(string-substitute "/" "-" target " "))
						     (conc "--strip-path=" (conc test-base target "/" )) ;; if we push to the directory do we need this?
						     )
					       test-paths)))
		(if (not (common:file-exists? (conc archive-dir "/HEAD")))
		    (begin
		      ;; replace this with jobrunner stuff enventually
		      (debug:print-info 2 *default-log-port* "Init bup in " archive-dir)
		      ;; (mutex-lock! bup-mutex)
		      (let-values (((pid-val exit-status exit-code) (run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)))
                        (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an error initializing bup. Archive failed.")
                              (exit 1))))
		      ;; (mutex-unlock! bup-mutex)
		      ))
		(debug:print-info 2 *default-log-port* "Indexing data to be archived")
		;; (mutex-lock! bup-mutex)
		(let-values (((pid-val exit-status exit-code) (run-n-wait bup-exe params: bup-index-params print-cmd: print-prefix)))
                   (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an error Indexing bup. Archive failed.")
                              (exit 1))))
		(debug:print-info 2 *default-log-port* "Archiving data with bup")
		(let-values (((pid-val exit-status exit-code) (run-n-wait bup-exe params: bup-save-params print-cmd: print-prefix)))
                     (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an archiving data with bup. Archive failed.")
                              (exit 1))))))
	     ((7z tar)
	      (for-each
	       (lambda (test-dat)
		 (let* ((test-id           (db:test-get-id        test-dat))
			(test-name         (db:test-get-testname  test-dat))
			(item-path         (db:test-get-item-path test-dat))
			(test-full-name    (db:test-make-full-name test-name item-path))

        (rsync-exe (or (configf:lookup *configdat* "archive" "rsync") "rsync"))   
        (print-prefix      "Running: ") 
        (archive-info (archive:allocate-new-archive-block blockid-cache *toppath* tsname min-space target-patt run-patt "megatest-db"))
	(archive-dir  (if archive-info (cdr archive-info) #f))
	(archive-id   (if archive-info (car archive-info) -1))
        (home-host (common:get-homehost))
        (archive-time (seconds->std-time-str (current-seconds)))
        (archive-staging-db (conc *toppath* "/.db-snapshot/archive_" archive-time))
        (tmp-db-path (conc (common:get-db-tmp-area) "/megatest.db"))
        (dbfile             (conc  archive-staging-db "/megatest.db"))) 
        (create-directory archive-staging-db #t)
        (let-values (((pid-val exit-status exit-code) (run-n-wait rsync-exe params: (list "-v" (conc (car home-host) ":"tmp-db-path) archive-staging-db) print-cmd: print-prefix)))
            (if (eq? exit-code 0)   
              (case archiver
	        ((bup) ;; Archive using bup
	          (let* ((bup-init-params  (list "-d" archive-dir "init"))
		         (bup-index-params (list "-d" archive-dir "index" archive-staging-db))
		         (bup-save-params  (list "-d" archive-dir "save" ;; (conc "--strip-path=" linktree)
						     (conc "-" compress) ;; or (conc "--compress=" compress)
						     "-n" (conc tsname "-megatest-db" )
						     (conc "--strip-path=" archive-staging-db ) ;; if we push to the directory do we need this?
						     dbfile)))
                    (if (not (common:file-exists? (conc archive-dir "/HEAD")))
		      (begin
		        ;; replace this with jobrunner stuff enventually
		        (debug:print-info 2 *default-log-port* "Init bup in " archive-dir)
		         (let-values (((pid-val exit-status exit-code)(run-n-wait bup-exe params: bup-init-params print-cmd: print-prefix)))
                          (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an error initializing bup. Archive failed.")
                              (exit 1))))))
		     (debug:print-info 2 *default-log-port* "Indexing data to be archived")
		     (let-values (((pid-val exit-status exit-code) (run-n-wait bup-exe params: bup-index-params print-cmd: print-prefix)))
                        (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an error Indexing bup. Archive failed.")
                              (exit 1))))
		     (debug:print-info 2 *default-log-port* "Archiving data with bup")
		     (let-values (((pid-val exit-status exit-code) (run-n-wait bup-exe params: bup-save-params print-cmd: print-prefix)))
                         (if (not (eq? exit-code 0))
                              (begin    
                              (debug:print-error 0 *default-log-port* "There was an error archiving data with bup. Archive failed.")
                              (exit 1))
                             (debug:print-info 0 *default-log-port* "To restore megatest.db run megatest -archive replicacte-db -source archive-dir -time-stamp <ts>. Current timestamp: " (seconds->std-time-str (current-seconds))))))) 
               (else
                   (debug:print-info 0 *default-log-port* "No support for databse archiving with " archiver)))
               (debug:print-error 0 *default-log-port* "There was an error rsyncing tmp database")))))

(define (archive:restore-db archive-path ts)
   (let* ((bup-exe               (or (configf:lookup *configdat* "archive" "bup") "bup"))
         (archive-internal-path (conc (common:get-testsuite-name) "-megatest-db/" ts "/megatest.db" ))
         (bup-restore-params  (list "-d" archive-path "restore" "-C" *toppath* archive-internal-path)))
		 (debug:print-info 2 *default-log-port* "Restoring archived data to " *toppath* " from archive in " archive-path " ... " archive-internal-path)
		 (run-n-wait bup-exe params: bup-restore-params print-cmd: "Running:"))
      (sleep 2)
      (db:multi-db-sync 
       (db:setup #f)
       'killservers
       ;'dejunk
       ;'adj-testids
       'old2new
       )
      (debug:print-info 1 *default-log-port* "dropping triggers to update linktree") 
      (rmt:drop-all-triggers)

    (let* ((linktree       (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree")))
	  (src-archive-linktree (rmt:get-var "src-archive-linktree")))
        (if (not (equal? src-archive-linktree linktree))
           (rmt:update-tesdata-on-repilcate-db src-archive-linktree linktree))
              (debug:print-info 1 *default-log-port* "creating triggers after updating linktree")   
       (rmt:create-all-triggers)
))  

(define (seconds->std-time-str sec)
  (time->string 
   (seconds->local-time sec)
   "%Y-%m-%d-%H%M%S"))
 

(define (archive:get-timestamp-dir bup-exe archive-dir testsuite-name target test-partial-path test-last-update)
    (debug:print-info 0 *default-log-port* "Test last update time:" (seconds->std-time-str test-last-update)) 
    (let* ((internal-path (conc testsuite-name "-" target))
           (archive-update-delay (string->number (or (configf:lookup *configdat* "archive" "test-update-delay") "900" )))  
           (ts-list (archive:ls->list  bup-exe archive-dir internal-path))
           (ds-flag (vector-ref (seconds->local-time) 8)))
           (let loop ((hed (car ts-list))
                       (tail (cdr ts-list)))
                   (if (and (null? tail) (equal? hed "latest"))
                        #f

	      (test-id           (db:test-get-id        test-dat))
	      (run-id            (db:test-get-run_id    test-dat))
	      (keyvals           (rmt:get-key-val-pairs run-id))
	      (target            (string-intersperse (map cadr keyvals) "/"))
	      
	      (toplevel/children (and (db:test-get-is-toplevel test-dat)
				      (> (rmt:test-toplevel-num-items run-id test-name) 0)))
	      (test-partial-path (conc  run-name "/" (db:test-make-full-name test-name item-path)))
	      ;; note the trailing slash to get the dir inspite of it being a link
	      (test-path         (conc linktree "/" test-partial-path))
	      ;; if the old path was not deleted then prev-test-physical-path will end up pointing to a real directory
	      (mutex-lock! rp-mutex)
	      (prev-test-physical-path (if (common:file-exists? test-path)
					   ;; (read-symbolic-link test-path #t)
					   (common:real-path test-path)
					   #f))
	      (mutex-unlock! rp-mutex)
	      (new-test-physical-path  (conc best-disk "/" test-partial-path))
	      (archive-block-id        (db:test-get-archived test-dat))
              (test-last-update        (db:test-get-last_update test-dat))
	      (archive-block-info      (rmt:test-get-archive-block-info archive-block-id))
	      (archive-path            (if (vector? archive-block-info)
					   (vector-ref archive-block-info 2) ;; look in db.scm for test-get-archive-block-info for the vector record info
					   #f)) ;; no archive found?
              (archive-timestamp-dir   (if archive-path (archive:get-timestamp-dir bup-exe archive-path (common:get-testsuite-name) (string-substitute "/" "-" target " ") test-partial-path test-last-update) #f))  
	      (archive-internal-path   (conc (common:get-testsuite-name) "-" (string-substitute "/" "-" target " ") "/" archive-timestamp-dir "/" test-partial-path))
	      (include-paths           (args:get-arg "-include"))
	      (exclude-pattern         (args:get-arg "-exclude-rx"))
	      (exclude-file            (args:get-arg "-exclude-rx-from")))
	 (if (not archive-timestamp-dir)
               (debug:print-error 0 *default-log-port* "Archive not found for testsuite" (common:get-testsuite-name) " run/test/itempath" test-partial-path)
         (begin    
	 ;; some sanity checks, move an existing path out of the way - iif it is not a toplevel with children

(define *run-info-cache*     (make-hash-table)) ;; run info is stable, no need to reget
(define *launch-setup-mutex* (make-mutex))     ;; need to be able to call launch:setup often so mutex it and re-call the real deal only if *toppath* not set
(define *homehost-mutex*     (make-mutex))

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

(use posix-extras pathname-expand files)

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

           ((and (> (length argv) 2)
                 (string-match "^(.*/csi|csi)$" (car argv))
                 (string-match "^-(s|ss|sx|script)$" (cadr argv)))
            (caddr argv))
           (else (car argv))))
         (fullpath (realpath this-script)))
    fullpath))

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

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

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

(define *common:logpro-exit-code->status-sym-alist*
  '( ( 0 . pass )
     ( 1 . fail )
     ( 2 . warn )

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

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

;;======================================================================
;; from metadat lookup MEGATEST_VERSION
;;
(define (common:get-last-run-version) ;; RADT => How does this work in send-receive function??; assume it is the value saved in some DB
  (rmt:get-var "MEGATEST_VERSION"))

(define (common:get-last-run-version-number)
  (string->number 
   (substring (common:get-last-run-version) 0 6)))

(define (common:set-last-run-version)
  (rmt:set-var "MEGATEST_VERSION" (common:version-signature)))

;;======================================================================
;; postive number if megatest version > db version
;; negative number if megatest version < db version
(define (common:version-db-delta)
  (- megatest-version (common:get-last-run-version-number)))

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

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

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





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

        ;;     copy <file>.days.gz <file>.weeks.gz
        ;;     copy <file>.hrs.gz <file>.days.gz
        (when (>= (age-wks daysfile) 1)
          (copy daysfile wksfile)
          (copy hrsfile daysfile))
        #t)
      #f))

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

;; Rotate logs, logic: 
;;                 if > 500k and older than 1 week:
;;                     remove previous compressed log and compress this log
;; WARNING: This proc operates assuming that it is in the directory above the
;;          logs directory you wish to log-rotate.
;;
(define (common:rotate-logs)

		     (debug:print-info 0 *default-log-port* fullname " in logs directory is a directory! Cannot rotate it, it is best to not put subdirectories in the logs dir.")
		     (handle-exceptions
		      exn
		      (debug:print-error 0 *default-log-port* "failed to remove " fullname ", exn=" exn)
		      (delete-file* fullname)))))
	     files)
	    (debug:print-info 0 *default-log-port* "Deleted " (length files) " files from logs, keeping " max-allowed " files."))))))

;;======================================================================
;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
  (if (common:on-homehost?)
      (if (common:api-changed?)
	  (let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))

              (exit 1))
             (read-only
              (debug:print 0 *default-log-port* "   You have read-only access to this area.  Cannot proceed with megatest version migration.")
              (exit 1))
             (else
              (debug:print 0 *default-log-port* " to switch versions you can run: \"megatest -cleanup-db\"")
              (exit 1)))))))
;;======================================================================
;;      (begin
;;	(debug:print 0 *default-log-port* "ERROR: cannot migrate version unless on homehost. Exiting.")
;;	(exit 1))))

;;======================================================================
;; S P A R S E   A R R A Y S
;;======================================================================

(define *common:dont-roll-up-states*
  '("DELETED"
    "REMOVING"
    "CLEANING"
    "ARCHIVE_REMOVING"
    ))

;;======================================================================
;; BBnote: *common:std-statuses* dashboard filter control and test control status buttons defined here; used in set-fields-panel and dboard:make-controls
;; note these statuses are sorted from better to worse.
;; This sort order is important to dcommon:status-compare3 and db:set-state-status-and-roll-up-items
(define *common:std-statuses*
  '(;; (0 "DELETED")  
    (1 "n/a")
    (2 "PASS")

(define *common:cant-run-states*    ;; These are stopping conditions that prevent a test from being run
  '("COMPLETED" "KILLED" "UNKNOWN" "INCOMPLETE" "ARCHIVED"))

(define *common:not-started-ok-statuses* ;; if not one of these statuses when in not_started state treat as dead
  '("n/a" "na" "PASS" "FAIL" "WARN" "CHECK" "WAIVED" "DEAD" "SKIP"))

;;======================================================================
;; group tests into buckets corresponding to rollup
;;; Running, completed-pass,  completed-non-pass + worst status, not started.
;; filter out 
;(define (common:categorize-items-for-rollup in-tests)
;  (

(define (common:special-sort items order comp)
  (let ((items-order (map reverse order))
        (acomp       (or comp >)))
    (sort items
        (lambda (a b)
          (let ((a-num (cadr (or (assoc a items-order) '(0 0))))
                (b-num (cadr (or (assoc b items-order) '(0 0)))))
            (acomp a-num b-num))))))

;;======================================================================
;; ;; given a toplevel with currstate, currstatus apply state and status
;; ;;  => (newstate . newstatus)
;; (define (common:apply-state-status currstate currstatus state status)
;;   (let* ((cstate  (string->symbol (string-downcase currstate)))
;;          (cstatus (string->symbol (string-downcase currstatus)))
;;          (sstate  (string->symbol (string-downcase state)))
;;          (sstatus (string->symbol (string-downcase status)))

(define (common:get-testsuite-name)
  (or (configf:lookup *configdat* "setup" "area-name") ;; megatest is a flexible tool, testsuite is too limiting a description.
      (configf:lookup *configdat* "setup" "testsuite" )
      (getenv "MT_TESTSUITE_NAME")
      (pathname-file (or (if (string? *toppath* )
			     (pathname-file *toppath*)
			     #f)
			 (common:get-toppath #f)))
      "please-set-setup-area-name")) ;; (pathname-file (current-directory)))))

;;======================================================================
;; safe getting of toppath
(define (common:get-toppath areapath)
  (or *toppath*
      (if areapath
	  (begin
	    (set! *toppath* areapath)
	    (setenv "MT_RUN_AREA_HOME" areapath)

	    (if (equal? thepath "/")
		(begin
		  (debug:print-error 0 *default-log-port* "Unable to find megatest home directory.")
		  #f)
		(loop (pathname-directory thepath)))))
      ))

;;======================================================================
;; redefine for future cleanup (converge on area-name, the more generic
;;
(define common:get-area-name common:get-testsuite-name)

(define (common:get-db-tmp-area . junk)
  (if *db-cache-path*
      *db-cache-path*
      (if *toppath* ;; common:get-create-writeable-dir
	  (handle-exceptions

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

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












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

;;======================================================================
;; currently the primary job of the watchdog is to run the sync back to megatest.db from the db in /tmp
;; if we are on the homehost and we are a server (by definition we are on the homehost if we are a server)
;;
(define (common:readonly-watchdog dbstruct)
  (thread-sleep! 0.05) ;; delay for startup
  (debug:print-info 13 *default-log-port* "common:readonly-watchdog entered.")
  ;; sync megatest.db to /tmp/.../megatst.db

		  (if (< golden-mtdb-mtime (- (current-seconds) 3)) ;; file has NOT been touched in past three seconds, this way multiple servers won't fight to sync back
		      (let ((res (db:multi-db-sync dbstruct 'old2new)))
			(debug:print-info 13 *default-log-port* "rosync called, " res " records transferred."))))
              (loop (current-seconds)))
            #t)))
    (debug:print-info 0 *default-log-port* "Exiting readonly-watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" mtpath="golden-mtpath)))

;;======================================================================
;; TODO: for multiple areas, we will have multiple watchdogs; and multiple threads to manage
(define (common:watchdog)
  (debug:print-info 13 *default-log-port* "common:watchdog entered.")
  (if (launch:setup)
      (if (common:on-homehost?)
	  (let ((dbstruct (db:setup #t)))
	    (debug:print-info 13 *default-log-port* "after db:setup with dbstruct=" dbstruct)

;; (set-signal-handler! signal/stop std-signal-handler)  ;; ^Z NO, do NOT handle ^Z!

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

;;======================================================================
;; convert stuff to a number if possible
(define (any->number val)
  (cond 
   ((number? val) val)
   ((string? val) (string->number val))
   ((symbol? val) (any->number (symbol->string val)))
   (else #f)))

	     (debug:print-info 10 *default-log-port* "patt " patt " modpatt " modpatt)
	     (if (string-match (regexp modpatt) item)
		 (set! res #t))))
	 (string-split patts ","))
	res)
      #t))

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

;;======================================================================
;; return first command that exists, else #f
;;
(define (common:which cmds)
  (if (null? cmds)
      #f
      (let loop ((hed (car cmds))
		 (tal (cdr cmds)))

	 exn
	 #f
	 (pathname-directory
	  (pathname-directory 
	   (pathname-directory exe-path))))
	#f)))

;;======================================================================
;; return first path that can be created or already exists and is writable
;;
(define (common:get-create-writeable-dir dirs)
  (if (null? dirs)
      #f
      (let loop ((hed (car dirs))
		 (tal (cdr dirs)))

	  (if (and (string? res)
		   (directory? res))
	      res
	      (if (null? tal)
		  #f
		  (loop (car tal)(cdr tal))))))))

;;======================================================================
;; return the youngest timestamp . filename
;;
(define (common:get-youngest glob-list)
  (let ((all-files (apply append
			  (map (lambda (patt)
				 (handle-exceptions
				     exn

			      (file-modification-time fname))))
	      (if (> curmod last-mod)
		  (list curmod fname)
		  res)))
	  '(0 "n/a")
	  all-files)))

;;======================================================================
;; use bash to expand a glob. Does NOT handle paths with spaces!
;;
(define (common:bash-glob instr)
  (string-split
   (with-input-from-pipe
       (conc "/bin/bash -c \"echo " instr "\"")
       read-line)))

;;======================================================================
;; Some safety net stuff
;;======================================================================

;;======================================================================
;; return input if it is a list or return null
(define (common:list-or-null inlst #!key (ovrd #f)(message #f))
  (if (list? inlst)
      inlst
      (begin
	(if message (debug:print-error 0 *default-log-port* message))
	(or ovrd '()))))
  
;;======================================================================
;; T A R G E T S  ,   S T A T E ,   S T A T U S ,   
;;                    R U N N A M E    A N D   T E S T P A T T
;;======================================================================

;;======================================================================
;; (map print (map car (hash-table->alist (read-config "runconfigs.config" #f #t))))
;;
(define (common:get-runconfig-targets #!key (configf #f))
  (let ((targs       (sort (map car (hash-table->alist
				     (or configf ;; NOTE: There is no value in using runconfig:read here.
					 (read-config (conc *toppath* "/runconfigs.config")
						      #f #t)
					 (make-hash-table))))
			   string<?))
	(target-patt (args:get-arg "-target")))
    (if target-patt
	(filter (lambda (x)
		  (patt-list-match x target-patt))
		targs)
	targs)))

;;======================================================================
;; Lookup a value in runconfigs based on -reqtarg or -target
;; 
(define (runconfigs-get config var)
  (let ((targ (common:args-get-target))) ;; (or (args:get-arg "-reqtarg")(args:get-arg "-target")(getenv "MT_TARGET"))))
    (if targ
	(or (configf:lookup config targ var)
	    (configf:lookup config "default" var))

     ((and (equal? args-testpatt "%") rtestpatt)
      (debug:print-info 0 *default-log-port* "testpatt defined in "testpatt-key" from runconfigs: " rtestpatt)
      rtestpatt)
     (else 
      (debug:print-info 0 *default-log-port* "using testpatt " args-testpatt " rtestpatt:" rtestpatt)
      args-testpatt))))



(define (common:false-on-exception thunk #!key (message #f))
  (handle-exceptions exn
                     (begin
                       (if message
                           (debug:print-info 0 *default-log-port* message))
                       #f) (thunk) ))

(define (common:file-exists? path-string #!key (silent #f))


  ;;;; TODO: catch permission denied exceptions and emit appropriate warnings. Might be able to get rid of with chicken 5?
  (common:false-on-exception (lambda () (file-exists? path-string))
                             message: (if (not silent)
                                          (conc "Unable to access path: " path-string)
                                          #f)
                             ))

(define (common:directory-exists? path-string)
  ;;;; TODO: catch permission denied exceptions and emit appropriate warnings
  (common:false-on-exception (lambda () (directory-exists? path-string))
                             message: (conc "Unable to access path: " path-string)
                             ))

;;======================================================================
;; does the directory exist and do we have write access?
;;
;;    returns the directory or #f
;;
(define (common:directory-writable? path-string)
  (handle-exceptions
      exn

	(if target
	    (begin
	      (debug:print-error 0 *default-log-port* "Invalid target, spaces or blanks not allowed \"" target "\", target should be: " (string-intersperse keys "/") ", have " tlist " for elements")
	      (if exit-if-bad (exit 1))
	      #f)
	    #f))))

;;======================================================================
;; looking only (at least for now) at the MT_ variables craft the full testname
;;
(define (common:get-full-test-name)
  (if (getenv "MT_TEST_NAME")
      (if (and (getenv "MT_ITEMPATH")
               (not (equal? (getenv "MT_ITEMPATH") "")))
          (getenv "MT_TEST_NAME")
          (conc (getenv "MT_TEST_NAME") "/" (getenv "MT_ITEMPATH")))
      #f))

;;======================================================================
;; logic for getting homehost. Returns (host . at-home)
;; IF *toppath* is not set, wait up to five seconds trying every two seconds
;; (this is to accomodate the watchdog)
;;
(define (common:get-homehost #!key (trynum 5))
  ;; called often especially at start up. use mutex to eliminate collisions
  (mutex-lock! *homehost-mutex*)

				     #f))))))
	   (at-home  (or (equal? homehost currhost)
			 (equal? homehost bestadrs))))
      (set! *home-host* (cons homehost at-home))
      (mutex-unlock! *homehost-mutex*)
      *home-host*))))

;;======================================================================
;; am I on the homehost?
;;
(define (common:on-homehost?)
  (let ((hh (common:get-homehost)))
    (if hh
	(cdr hh)
	#f)))

;;======================================================================
;; do we honor the caches of the config files?
;;
(define (common:use-cache?)
  (let ((res #t)) ;; priority by order of evaluation
    (if *configdat* ;; sillyness here. can't use setup/use-cache to know if we can use the cached files!
	(if (equal? (configf:lookup *configdat* "setup" "use-cache") "no")
	    (set! res #f)
	    (if (equal? (configf:lookup *configdat* "setup" "use-cache") "yes")
		(set! res #t))))
    (if (args:get-arg "-no-cache")(set! res #f)) ;; overrides setting in "setup"
    (if (getenv "MT_USE_CACHE")
	(if (equal? (getenv "MT_USE_CACHE") "yes")
	    (set! res #t)
	    (if (equal? (getenv "MT_USE_CACHE") "no")
		(set! res #f))))    ;; overrides -no-cache switch
    res))
  
;;======================================================================
;; force use of server?
;;
(define (common:force-server?)
  (let* ((force-setting (configf:lookup *configdat* "server" "force"))
	 (force-type    (if force-setting (string->symbol force-setting) #f))
	 (force-result  (case force-type
			  ((#f)     #f)

	  #t)
	#f)))

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

;;======================================================================
;; items in lista are matched value and position in listb
;; return the remaining items in listb or #f
;;
(define (common:list-is-sublist lista listb)
  (if (null? lista)
      listb ;; all items in listb are "remaining"
      (if (> (length lista)(length listb)) 

		    (loop (car tala)
			  (cdr tala)
			  (car talb)
			  
			  (cdr talb)))
		#f)))))

;;======================================================================
;; Needed for long lists to be sorted where (apply max ... ) dies
;;
(define (common:max inlst)
  (let loop ((max-val (car inlst))
	     (hed     (car inlst))
	     (tal     (cdr inlst)))
    (if (not (null? tal))
	(loop (max hed max-val)
	      (car tal)
	      (cdr tal))
	(max hed max-val))))

;;======================================================================
;; get min or max, use > for max and < for min, this works around the limits on apply
;;
(define (common:min-max comp lst)
  (if (null? lst)
      #f ;; better than an exception for my needs
      (fold (lambda (a b)
	      (if (comp a b) a b))
	    (car lst)
	    lst)))

;;======================================================================
;; get min or max, use > for max and < for min, this works around the limits on apply
;;
(define (common:sum lst)
  (if (null? lst)
      0
      (fold (lambda (a b)
	      (+ a b))
	    (car lst)
	    lst)))

;;======================================================================
;; path list to hash-table tree
;;   ((a b c)(a b d)(e b c)) => ((a (b (d) (c))) (e (b (c))))
;;
(define (common:list->htree lst)
  (let ((resh (make-hash-table)))
    (for-each
     (lambda (inlst)

		       (cdr tal)))
	     (begin
	       (hash-table-set! ht hed (make-hash-table))
	       (loop ht hed tal)))))
     lst)
    resh))

;;======================================================================
;; hash-table tree to html list tree
;;
;;   tipfunc takes two parameters: y the tip value and path the path to that point
;;
(define (common:htree->html ht path tipfunc)
  (let ((datlist 	(sort (hash-table->alist ht)
                              (lambda (a b)

		      (s:li (tipfunc y newpath))
		      (s:li
		       (list 
			levelname
			(common:htree->html y newpath tipfunc))))))
	      datlist)))))

;;======================================================================
;; hash-table tree to alist tree
;;
(define (common:htree->atree ht)
  (map (lambda (x)
	 (cons (car x)
	       (let ((y (cdr x)))
		 (if (hash-table? y)
		     (common:htree->atree y)
		     y))))
       (hash-table->alist ht)))

;;======================================================================
;; M U N G E   D A T A   I N T O   N I C E   F O R M S
;;======================================================================

;;======================================================================
;; Generate an index for a sparse list of key values
;;   ( (rowname1 colname1 val1)(rowname2 colname2 val2) )
;;
;; => 
;;
;;   ( (rowname1 0)(rowname2 1))    ;; rownames -> num
;;     (colname1 0)(colname2 1)) )  ;; colnames -> num

		    (cdr tal)
		    new-rownames
		    new-colnames
		    (if (> curr-rownum rownum) curr-rownum rownum)
		    (if (> curr-colnum colnum) curr-colnum colnum)
		    ))))))

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

;;======================================================================
;; convert string a=1; b=2; c=a silly thing; d=
;; to '((a . 1)(b . 2)(c . "a silly thing")(d . ""))
;;
(define (common:val->alist val #!key (convert #f))
  (let ((val-list (string-split-fields ";\\s*" val #:infix)))
    (if val-list
	(map (lambda (x)

	     val-list)
	'())))

;;======================================================================
;; S Y S T E M   S T U F F
;;======================================================================

;;======================================================================
;; lazy-safe get file mod time. on any error (file not existing etc.) return 0
;;
(define (common:lazy-modification-time fpath)
  (handle-exceptions
      exn
    (begin
      (debug:print 0 *default-log-port* "Failed to get modifcation time for " fpath ", treating it as zero. exn=" exn)
      0)
    (if (file-exists? fpath)
	(file-modification-time fpath)
	0)))

;;======================================================================
;; find timestamp of newest file associated with a sqlite db file
(define (common:lazy-sqlite-db-modification-time fpath)
  (let* ((glob-list (handle-exceptions
			exn
		      (begin
			(debug:print 0 *default-log-port* "Failed to glob " fpath "*, exn=" exn)
			`(,(conc "/no/such/file, message: " ((condition-property-accessor 'exn 'message) exn))))
		      (glob (conc fpath "*"))))
         (file-list (if (eq? 0 (length glob-list))
			'("/no/such/file")
			glob-list)))
  (apply max
	 (map
	  common:lazy-modification-time 
	  file-list))))

;;======================================================================
;; return a nice clean pathname made absolute
(define (common:nice-path dir)
  (let ((match (string-match "^(~[^\\/]*)(\\/.*|)$" dir)))
    (if match ;; using ~ for home?
	(common:nice-path (conc (common:read-link-f (cadr match)) "/" (caddr match)))
	(normalize-pathname (if (absolute-pathname? dir)
				dir
				(conc (current-directory) "/" dir))))))

;;======================================================================
;; make "nice-path" available in config files and the repl
(define nice-path common:nice-path)

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

;;======================================================================
;; returns *effective load* (not normalized)
;;
(define (common:get-intercept onemin fivemin)
  (if (< onemin fivemin) ;; load is decreasing, just use the onemin load
      onemin
      (let* ((load-change (- onemin fivemin))
	     (tchange     (- 300 60)))
	(max (+ onemin (* 60 (/ load-change tchange))) 0))))

;;======================================================================
;; calculate a delay number based on a droop curve
;;    inputs are:
;;      - load-in, load as from uptime, NOT normalized
;;      - numcpus, number of cpus, ideally use the real cpus, not threads
;;
(define (common:get-delay load-in numcpus)
  (let* ((ratio (/ load-in numcpus))

  (let loop ((x 0))
    (print x "," (common:get-delay x 1))
    (if (< x 2)
	(loop (+ x 0.1)))))

(define (get-cpu-load #!key (remote-host #f))
  (car (common:get-cpu-load remote-host)))

;;======================================================================
;;   (let* ((load-res (process:cmd-run->list "uptime"))
;; 	 (load-rx  (regexp "load average:\\s+(\\d+)"))
;; 	 (cpu-load #f))
;;     (for-each (lambda (l)
;; 		(let ((match (string-search load-rx l)))
;; 		  (if match
;; 		      (let ((newval (string->number (cadr match))))
;; 			(if (number? newval)
;; 			    (set! cpu-load newval))))))
;; 	      (car load-res))
;;     cpu-load))

;;======================================================================
;; get values from cached info from dropping file in logs dir
;;  e.g. key is host and dtype is normalized-load
;;
(define (common:get-cached-info key dtype #!key (age 10))
  (if *toppath*
      (let* ((fullpath (conc *toppath* "/.sysdata/" key "-" dtype ".log"))
	     (delfile  (lambda (exn)
			 (debug:print-info 1 *default-log-port* " removing bad file " fullpath ", exn=" exn)
			 (delete-file* fullpath)
			 #f)))
	(if (and (file-exists? fullpath)
		 (file-read-access? fullpath))
	    (handle-exceptions
		exn

				    (debug:print 1 *default-log-port* "Failed to read mod time on file "
						 fullpath ", using 0, exn=" exn)
				    0)
				  (file-change-time fullpath)))))
	       (if (< real-age age)
		   (handle-exceptions
		       exn
		     (delfile exn)
		     (let* ((res (with-input-from-file fullpath read)))
		       (if (eof-object? res)
			   (begin
			     (delfile "n/a")
			     #f)
			   res)))
		   (begin
		     (debug:print-info 2 *default-log-port* "file " fullpath
				       " is too old (" real-age" seconds) to trust, skipping reading it")
		     #f))))
	    (begin
	      (debug:print 2 *default-log-port* "not reading file " fullpath)
	      #f)))
      #f))
 
(define (common:write-cached-info key dtype dat)
  (if *toppath*
      (let* ((fulldir  (conc *toppath* "/.sysdata"))
	     (fullpath (conc fulldir "/" key "-" dtype ".log")))
	(if (not (file-exists? fulldir))(create-directory fulldir #t))
	(handle-exceptions
	    exn
	  (begin
	    (debug:print 0 *default-log-port* "failed to write file " fullpath ", exn=" exn)
	    #f)
	  (with-output-to-file fullpath (lambda ()(pp dat)))))
      #f))

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

;;======================================================================
;; get cpu load by reading from /proc/loadavg, return all three values
;;
(define (common:get-cpu-load remote-host)
  (handle-exceptions
      exn
    (begin
      (debug:print 0 *default-log-port* "failed to ssh or read loadavg from host " remote-host ", exn=" exn)

		      (number? l3))
		   (begin
		     (common:write-cached-info actual-hostname "cpu-load" result)
		     result)
		   '(-1 -1 -1))) ;; -1 is bad result
	      (else '(-2 -2 -2))))))))

;;======================================================================
;; get normalized cpu load by reading from /proc/loadavg and /proc/cpuinfo return all three values and the number of real cpus and the number of threads
;; returns alist '((adj-cpu-load . normalized-proc-load) ... etc.
;;  keys: adj-proc-load, adj-core-load, 1m-load, 5m-load, 15m-load
;;
(define (common:get-normalized-cpu-load remote-host)
  (let ((res (common:get-normalized-cpu-load-raw remote-host))
	(default `((adj-proc-load . 2) ;; there is no right answer

		      ;; (print "NO MATCH: " hed)
		      (loop (car tal)(cdr tal) loads proc-num phys-num core-num)))))))))))

(define (common:unix-ping hostname)
  (let ((res (system (conc "ping -c 1 " hostname " > /dev/null"))))
    (eq? res 0)))

;;======================================================================
;; ideally put all this info into the db, no need to preserve it across moving homehost
;;
;; return list of
;;  ( reachable? cpuload update-time )
(define (common:get-host-info hostname)
  (let* ((loadinfo                         (rmt:get-latest-host-load hostname)) ;; if this host happens to have been recently used by a test reuse the load data
         (load                             (car loadinfo))

      (list #t
            (current-seconds)
            (alist-ref 'adj-core-load (common:get-normalized-cpu-load hostname)))) ;; this is cheaper than you might think. get-normalized-cpu-load is cached for up to 5 seconds
     (else
      (list #f 0 -1) ;; bad host, don't use!
      ))))

;;======================================================================
;; see defstruct host at top of file.
;;    host: reachable last-update last-used last-cpuload
;;
(define (common:update-host-loads-table hosts-raw)
  (let* ((hosts (filter (lambda (x)
                          (string-match (regexp "^\\S+$") x))
                        hosts-raw)))

              (last-reached-time (cadr host-info))
              (load              (caddr host-info)))
         (host-reachable-set!    rec is-reachable)
         (host-last-update-set!  rec last-reached-time)
         (host-last-cpuload-set! rec load)))
     hosts)))

;;======================================================================
;; go through the hosts from least recently used to most recently used, pick the first that meets the load criteral from the
;; [host-rules] section.
;;
(define (common:get-least-loaded-host hosts-raw host-type configdat)
  (let* ((rdat       (configf:lookup configdat "host-rules" host-type))
	 (rules      (common:val->alist (or rdat "") convert: #t))   ;; maxnload, maxnjobs, maxjobrate
	 (maxnload   (common:alist-ref/default 'maxnload rules 1.5)) ;; max normalized load

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


(define (common:get-num-cpus remote-host)
  (let* ((actual-host (or remote-host (get-host-name))))
    ;; hosts had better not be changing the number of cpus too often!
    (or (hash-table-ref/default *numcpus-cache* actual-host #f)
	(let* ((numcpus (or (common:get-cached-info actual-host "num-cpus" age: (+ 2592000 (random 3600)))
			    (let* ((proc   (lambda ()
					     (let loop ((numcpu 0)

			      (if (and (number? result)
				       (> result 0))
				  (common:write-cached-info actual-host "num-cpus" result))
			      result))))
	  (hash-table-set! *numcpus-cache* actual-host numcpus)
	  numcpus))))

;;======================================================================
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxnormload msg remote-host #!optional (rem-tries 5))
  (let ((num-cpus (common:get-num-cpus remote-host)))
    (if num-cpus
	(common:wait-for-cpuload maxnormload num-cpus 15 msg: msg remote-host: remote-host)
	(begin
	  (thread-sleep! (random 60)) ;; we failed to get num cpus. wait a bit and try again
	  (if (> rem-tries 0)
	      (common:wait-for-normalized-load maxnormload msg remote-host (- rem-tries 1))
	      #f)))))

;;======================================================================
;; DO NOT CALL THIS DIRECTLY. It is called from common:wait-for-normalized-load
;;   count     - count down to zero, at some point we'd give up if the load never drops
;;   num-tries - count down to zero number tries to get numcpus
;;
(define (common:wait-for-cpuload maxnormload numcpus-in
				 #!key (count 1000)
				 (msg #f)(remote-host #f)(num-tries 5))

	 ;; effective load accounts for load jumps, this should elminate all the first-next-avg, adjwait, load-jump-limit
	 ;; etc.
	 (effective-load    (common:get-intercept first next))
	 (recommended-delay (common:get-delay effective-load numcpus))
	 (effective-host    (or remote-host "localhost"))
	 (normalized-effective-load (/ effective-load numcpus))
	 (will-wait                 (> normalized-effective-load maxnormload)))
    (if (> recommended-delay 1) 
	(let* ((actual-delay (min recommended-delay 30)))
	  (if (common:low-noise-print 30 (conc (round actual-delay) "-safe-load"))
	      (debug:print-info 0 *default-log-port* "Load control, delaying "
				actual-delay " seconds to maintain safe load. current normalized effective load is "
				normalized-effective-load". maxnormload = " maxnormload " numcpus = " numcpus " loadavg = " loadavg " effective-load = " effective-load))
	  (thread-sleep! actual-delay)))
    
    (cond
     ;; bad data, try again to get the data
     ((not will-wait)
      (if (common:low-noise-print 3600 (conc (round normalized-effective-load) "-load-acceptable-" effective-host))
      	  (debug:print 0 *default-log-port* "Effective load on " effective-host " is acceptable at " effective-load " continuing.")))

     ((and (< first 0) ;; this indicates the loadavg data is bad - machine may not be reachable
	   (> num-tries 0))
      (debug:print 0 *default-log-port* "WARNING: received bad data from get-cpu-load "
		   first ", we'll sleep 10s and try " num-tries " more times.")
      (thread-sleep! 10)
      (common:wait-for-cpuload maxnormload numcpus-in
			       count: count remote-host: remote-host num-tries: (- num-tries 1)))

     ;; need to wait for load to drop
     ((and will-wait ;; (> first adjmaxload)
	   (> count 0))
      (debug:print-info 0 *default-log-port*
			"Delaying 15" ;; adjwait
			" seconds due to normalized effective load " normalized-effective-load ;; first
			" exceeding max of " adjmaxload

      (if (> num-tries 0) ;; should be "num-tries-left". 
	  (if (common:low-noise-print 30 (conc (round effective-load) "-load-acceptable-" effective-host))
	      (debug:print 0 *default-log-port* "Load on " effective-host " is acceptable at effective normalized load of "
			   effective-normalized-load "  continuing."))
	  (debug:print 0 *default-log-port* "Load on " effective-host ", "
		       first" could not be retrieved. Giving up and continuing."))))))

;;======================================================================
;; DO NOT CALL THIS DIRECTLY. It is called from common:wait-for-normalized-load
;;
;; (define (common:wait-for-cpuload maxload-in numcpus-in waitdelay #!key (count 1000) (msg #f)(remote-host #f)(force-maxload #f)(num-tries 5))
;;   (let* ((loadavg (common:get-cpu-load remote-host))
;; 	 (numcpus (if (<= 1 numcpus-in) ;; not possible to have zero.  If we get 1, it's possible that we got the previous default, and we should check again
;; 		      (common:get-num-cpus remote-host)
;; 		      numcpus-in))

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

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

;;======================================================================
;; given path get free space, allows override in [setup]
;; with free-space-script /path/to/some/script.sh
;;
(define (get-df path)
  (if (configf:lookup *configdat* "setup" "free-space-script")
      (with-input-from-pipe 
       (conc (configf:lookup *configdat* "setup" "free-space-script") " " path)

		       (get-df dirpath)
		       0)))
    (list (> dbspace required)
	  dbspace
	  required
	  dirpath)))

;;======================================================================
;; check space in dbdir and in megatest dir
;; returns: ok/not dbspace required-space
;;
(define (common:check-db-dir-space)
  (let* ((required (string->number 
                    ;; default is 1GB (or actually a billion bytes) This is the number of 1 kB blocks.
		    (or (configf:lookup *configdat* "setup" "dbdir-space-required")
			"1000000")))
	 (dbdir    (common:get-db-tmp-area)) ;; (db:get-dbdir))
	 (tdbspace (common:check-space-in-dir dbdir required))
	 (mdbspace (common:check-space-in-dir *toppath* required)))
    (sort (list tdbspace mdbspace) (lambda (a b)
				     (< (cadr a)(cadr b))))))

;;======================================================================
;; check available space in dbdir, exit if insufficient
;;
(define (common:check-db-dir-and-exit-if-insufficient)
  (let* ((spacedat (car (common:check-db-dir-space))) ;; look only at worst for now
	 (is-ok    (car spacedat))
	 (dbspace  (cadr spacedat))
	 (required (caddr spacedat))
	 (dbdir    (cadddr spacedat)))
    (if (not is-ok)
	(begin
	  (debug:print-error 0 *default-log-port* "Insufficient space in " dbdir ", require " required ", have " dbspace  ", exiting now.")
	  (exit 1)))))

;;======================================================================
;; paths is list of lists ((name path) ... )
;;
(define (common:get-disk-with-most-free-space disks minsize)
  (let* ((best     #f)
	(bestsize 0)
        (default-min-inodes-string "1000000")
        (default-min-inodes (string->number default-min-inodes-string))

        ;;(print "Processing: " disk-num " bestsize: " bestsize " best: " best " freespc: " freespc " min-inodes: " min-inodes " free-inodes: " free-inodes)
      ))
     (map car disks))
    (if (and best (> bestsize minsize))
	best
	#f))) ;; #f means no disk candidate found

;;======================================================================
;; convert a spec string to a list of vectors #( rx  action rx-string )
(define (common:spec-string->list-of-specs spec-string actions)
  (let ((spec-strings  (string-split-fields "\\s*;\\s*" spec-string #:infix))
	(actions-regex (regexp (conc "^(.*)\\s+(" (string-intersperse (map conc actions) "|") ")"))))
    (filter
     (lambda (x) x)
     (map (lambda (s)
	    (let ((m (string-match actions-regex s)))
	      (if m
		  (vector (regexp (cadr m))(string->symbol (caddr m))(cadr m))
		  (begin
		    (debug:print 0 *default-log-port* "WARNING: Unrecognised rule \"" s "\" in clean-up specification.")
		    #f))))
	  spec-strings))))
  
;;======================================================================
;; given a list of specs rx . rule and a file return the first matching rule
;; 
(define (common:file-find-rule fname rules) ;; rule is vector #( rx action rx-string)
  (let loop ((rule   (car rules))
	     (tail   (cdr rules)))
    (let ((rx (vector-ref rule 0))
	  (rn (vector-ref rule 1))) ;; rule name
      (if (string-match rx fname)
	  rule ;; return the whole rule so regex can be printed etc.
	  (if (null? tail)
	      #f
	      (loop (car tail)(cdr tail)))))))

;;======================================================================
;; given a spec apply some rules to a directory
;;
;;  WARNING: This function will REMOVE files - be sure your spec and path is correct!
;;
;; spec format:
;;   file-regex1 action; file-regex2 action; ...
;; e.g.

		 (delete-directory d))))
	 (sort (hash-table-keys directories) (lambda (a b)(> (string-length a)(string-length b))))))
    ))

;;======================================================================
;; E N V I R O N M E N T   V A R S
;;======================================================================

(define (bb-check-path #!key (msg "check-path: "))
  (let ((path (or (get-environment-variable "PATH") "none")))
    (debug:print-info 0 *default-log-port* (conc msg" : $PATH="path))
    (if (string-match "^.*/isoenv-core/.*" path)
        (debug:print-error 0 *default-log-port* (conc msg" : !!ISOENV PRESENT!!")) ;; remove for prod
        (debug:print-info 1 *default-log-port* (conc msg" : **no isoenv present**")))))

	      
(define (save-environment-as-files fname #!key (ignorevars (list "USER" "HOME" "DISPLAY" "LS_COLORS" "XKEYSYMDB" "EDITOR" "MAKEFLAGS" "MAKEF" "MAKEOVERRIDES")))
  ;;(bb-check-path msg: "save-environment-as-files entry")
  (let ((envvars (get-environment-variables))
        (whitesp (regexp "[^a-zA-Z0-9_\\-:,\\.\\/%$]"))
	(mungeval (lambda (val)
		    (cond

				       (string-search whitesp key)
				       (string-search ":" key)) ;; internal only values to be skipped.
				   "# export "
				   "export ")
			       key "=" delim (mungeval val) delim)))
                    envvars)))))


(define (common:get-param-mapping #!key (flavor #f))
  "returns alist mapping string keys in testconfig/subrun to megatest command line switches; if flavor is switch-symbol, maps tcmt symbolic switches to megatest switches"
  (let ((default '(("tag-expr"  . "-tagexpr")
                   ("mode-patt" . "-modepatt")
                   ("run-name"  . "-runname")
                   ("contour"   . "-contour")
                   ("target"    . "-target")
                   ("test-patt" . "-testpatt")
                   ("msg"       . "-m")
                   ("log"       . "-log")
                   ("start-dir" . "-start-dir")
                   ("new"       . "-set-state-status"))))
    (if (eq? flavor 'switch-symbol)
        (map (lambda (x)
               (cons (string->symbol (conc "-" (car x))) (cdr x)))
             default)
        default)))

;;======================================================================
;; set some env vars from an alist, return an alist with original values
;; (("VAR" "value") ...)
;; a value of #f means "unset this var"
;;
(define (alist->env-vars lst)
  (if (list? lst)
      (let ((res '()))
	(for-each (lambda (p)
		    (let* ((var (car  p))
			   (val (cadr p))
			   (prv (get-environment-variable var)))
		      (set! res (cons (list var prv) res))
		      (if val 
			  (safe-setenv var (->string val))
			  (unsetenv var))))
		  lst)
	res)
      '()))

;;======================================================================
;; clear vars matching pattern, run proc, set vars back
;; if proc is a string run that string as a command with
;; system.
;;
(define *common:orig-env*
  (let ((envvars (get-environment-variables)))
    (if (get-environment-variable "MT_ORIG_ENV")

     (proc          (proc)))
    (hash-table-for-each
     vars
     (lambda (var val)
       (setenv var val)))
    vars))


(define (common:run-a-command cmd #!key (with-vars #f) (with-orig-env #f))
  (let* ((pre-cmd  (dtests:get-pre-command))
         (post-cmd (dtests:get-post-command))
         (fullcmd  (if (or pre-cmd post-cmd)
                       (conc pre-cmd cmd post-cmd)
                       (conc "viewscreen " cmd))))
    (debug:print-info 02 *default-log-port* "Running command: " fullcmd)
    (cond
     (with-vars     (common:without-vars  fullcmd))
     (with-orig-env (common:with-orig-env fullcmd))
     (else          (common:without-vars  fullcmd "MT_.*")))))
		  
;;======================================================================
;; T I M E   A N D   D A T E
;;======================================================================

;;======================================================================
;; Convert strings like "5s 2h 3m" => 60x60x2 + 3x60 + 5
(define (common:hms-string->seconds tstr)
  (let ((parts     (string-split-fields "\\w+" tstr))
	(time-secs 0)
	;; s=seconds, m=minutes, h=hours, d=days, M=months, y=years, w=weeks
	(trx       (regexp "(\\d+)([smhdMyw])")))
    (for-each (lambda (part)

	  "%m"))
    ((1 2 3) 1)
    ((4 5 6) 2)
    ((7 8 9) 3)
    ((10 11 12) 4)
    (else #f)))

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

;;======================================================================
;; given span of seconds tstart to tend
;; find start time to mark and mark delta
;;
(define (common:find-start-mark-and-mark-delta tstart tend)
  (let* ((deltat   (- (max tend (+ tend 10)) tstart)) ;; can't handle runs of less than 4 seconds. Pad it to 10 seconds ...
	 (result   #f)
	 (min      60)

	       '(     y  mo w  d   h  m   s))))
	(list 8 6 5 2 1)))
     '(5 10 15 20 30 40 50 500))
    (if values
	(apply values result)
	(values 0 day 1 0 'd))))

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

;;======================================================================
;; expand a complex cron string to a list of cron strings
;;
;;  x/y   => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;;  a,b,c => a, b ,c
;;
;;   NOTE: with flatten a lot of the crud below can be factored down.
;;

					    ;; 		(cons x res)))
					    ;; 	  '()
					    (flatten (map common:cron-expand new-list-crons))))
		;;					    (map common:cron-expand (map common:cron-expand new-list-crons))))
		(else (if (null? tal)
			  cron-str
			  (loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))

;;======================================================================
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;;  min    hour   dayofmonth month  dayofweek
;; 0-59    0-23   1-31       1-12   0-6          ### NOTE: dayofweek does not include 7
;;
;;  #t => yes, run the job
;;  #f => no, do not run the job

(define (common:name->iup-color name)
  (case (string->symbol (string-downcase name))
    ((red)    "223 33 49")
    ((grey)   "192 192 192")
    ((orange) "255 172 13")
    ((purple) "This is unfinished ...")))

;;======================================================================
;; (define (common:get-color-for-state-status state status)
;;   (case (string->symbol state)
;;     ((COMPLETED)
;;      (case (string->symbol status)
;;        ((PASS)        "70  249 73")
;;        ((WARN WAIVED) "255 172 13")
;;        ((SKIP)        "230 230 0")

             (string-split instr)))
   "/"))

;;======================================================================
;; L O C K I N G   M E C H A N I S M S 
;;======================================================================

;;======================================================================
;; faux-lock is deprecated. Please use simple-lock below
;;
(define (common:faux-lock keyname #!key (wait-time 8)(allow-lock-steal #t))
  (if (rmt:no-sync-get/default keyname #f) ;; do not be tempted to compare to pid. locking is a one-shot action, if already locked for this pid it doesn't actually count
      (if (> wait-time 0)
	  (begin
	    (thread-sleep! 1)

(define (common:faux-unlock keyname #!key (force #f))
  (if (or force (equal? (conc (current-process-id)) (conc (rmt:no-sync-get/default keyname #f))))
      (begin
        (if (rmt:no-sync-get/default keyname #f) (rmt:no-sync-del! keyname))
        #t)
      #f))

;;======================================================================
;; simple lock. improve and converge on this one.
;;
(define (common:simple-lock keyname)
  (rmt:no-sync-get-lock keyname))

(define (common:simple-unlock keyname #!key (force #f))
  (rmt:no-sync-del! keyname))


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

(define (common:in-running-test?)
  (and (args:get-arg "-execute") (get-environment-variable "MT_CMDINFO")))

(define (common:get-color-from-status status)
  (cond
   ((equal? status "PASS")    "green")
   ((equal? status "FAIL")    "red")
   ((equal? status "WARN")    "orange")
   ((equal? status "KILLED")  "orange")
   ((equal? status "KILLREQ") "purple")
   ((equal? status "RUNNING") "blue")
   ((equal? status "ABORT")   "brown")
   (else "black")))

;;======================================================================
;; N A N O M S G   C L I E N T
;;======================================================================
;; 
;; 
;; 
;; (define (common:send-dboard-main-changed)
;;   (let* ((dashboard-ips (mddb:get-dashboards)))
;;     (for-each
;;      (lambda (ipadr)

			  fallback-launcher
			  (loop (car tal)(cdr tal))))))))
	fallback-launcher)))

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

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

;;======================================================================
;; first read ~/views.config if it exists, then read $MTRAH/views.config if it exists
;;
(define (common:load-views-config)
  (let* ((view-cfgdat    (make-hash-table))
	 (home-cfgfile   (conc (get-environment-variable "HOME") "/.mtviews.config"))
	 (mthome-cfgfile (conc *toppath* "/.mtviews.config")))
    (if (common:file-exists? mthome-cfgfile)
	(read-config mthome-cfgfile view-cfgdat #t))
    ;; we load the home dir file AFTER the MTRAH file so the user can clobber settings when running the dashboard in read-only areas
    (if (common:file-exists? home-cfgfile)
	(read-config home-cfgfile view-cfgdat #t))
    view-cfgdat))

;;======================================================================
;; H I E R A R C H I C A L   H A S H   T A B L E S
;;======================================================================
;;
;; Every element including top element is a vector:
;;   <vector subhash value>

(define (hh:make-hh #!key (ht #f)(value #f))
  (vector (or ht    (make-hash-table)) value))

;;======================================================================
;; used internally
(define-inline (hh:set-ht! hh ht)       (vector-set! hh 0 ht))
(define-inline (hh:get-ht hh)           (vector-ref  hh 0))
(define-inline (hh:set-value! hh value) (vector-set! hh 1 value))
(define-inline (hh:get-value  hh value) (vector-ref  hh 1))

;;======================================================================
;; given a hierarchial hash and some keys look up the value ...
;;
(define (hh:get hh . keys)
  (if (null? keys)
      (vector-ref hh 1) ;; we have reached the end of the line, return the value sought
      (let ((sub-ht (hh:get-ht hh)))
	(if sub-ht ;; yes, there is more hierarchy
	    (let ((sub-hh (hash-table-ref/default sub-ht (car keys) #f)))
	      (if sub-hh
		  (apply hh:get sub-hh (cdr keys))
		  #f))
	    #f))))

;;======================================================================
;; given a hierarchial hash, a value and some keys, add needed hierarcy and insert the value
;;
(define (hh:set! hh value . keys)
  (if (null? keys)
      (hh:set-value! hh value) ;; we have reached the end of the line, store the value
      (let ((sub-ht (hh:get-ht hh)))
	(if sub-ht ;; yes, there is more hierarchy
	    (let ((sub-hh (hash-table-ref/default sub-ht (car keys) #f)))
	      (if (not sub-hh) ;; we'll need to add the next level of hierarchy
		  (let ((new-sub-hh (hh:make-hh)))
		    (hash-table-set! sub-ht (car keys) new-sub-hh)
		    (apply hh:set! new-sub-hh value (cdr keys)))
		  (apply hh:set! sub-hh value (cdr keys))))    ;; call the sub-hierhash with remaining keys
	    (begin
	      (hh:set-ht! hh (make-hash-table))
	      (apply hh:set! hh value keys))))))

;;======================================================================
;; Manage pkts, used in servers, tests and likely other contexts so put
;; in common
;;======================================================================

(define common:pkts-spec
  '((default . ((parent    . P)
                (action    . a)

					  (current-directory))
				      "/lt/.pkts"))))
	 (pktsdirs  (if pktsdirs-str
			(string-split pktsdirs-str " ")
			#f)))
    pktsdirs))

;;======================================================================
;; use-lt is use linktree "lt" link to find pkts dir
(define (common:save-pkt pktalist-in mtconf use-lt #!key (add-only #f)) ;; add-only saves the pkt only if there is a parent already
  (if (or add-only
	  (hash-table-exists? *pkts-info* 'last-parent))
      (let* ((parent   (hash-table-ref/default *pkts-info* 'last-parent #f))
	     (pktalist (if parent
			   (cons `(parent . ,parent)

   use-lt: use-lt))

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

;;======================================================================
;; given list of pkts (alist mode) return list of D cards as Unix epoch, sorted descending
;; also delete duplicates by target i.e. (car pkt)
;;
(define (common:get-pkt-times pkts)
  (delete-duplicates
   (sort 
    (map (lambda (x)
	   `(,(alist-ref 't x) . ,(string->number (alist-ref 'D x))))
	 pkts)
    (lambda (a b)(> (cdr a)(cdr b))))      ;; sort descending
   (lambda (a b)(equal? (car a)(car b))))) ;; remove duplicates by target

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

;; accept an alist or hash table containing envvar/env value pairs (value of #f causes unset) 
;;   execute thunk in context of environment modified as per this list
;;   restore env to prior state then return value of eval'd thunk.
;;   ** this is not thread safe **
(define (common:with-env-vars delta-env-alist-or-hash-table thunk)
  (let* ((delta-env-alist (if (hash-table? delta-env-alist-or-hash-table)
                              (hash-table->alist delta-env-alist-or-hash-table)

    (let ((rv (thunk)))
      (for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state
      rv)))

(define *common:thread-punchlist* (make-hash-table))
(define (common:send-thunk-to-background-thread thunk #!key (name #f))
  ;;(BB> "launched thread " name)

  ;; we need a unique name for the thread.
  (let* ((realname (if name
                       (if (not (hash-table-ref/default *common:thread-punchlist* name #f))
                           name
                           (conc name"-" (symbol->string (gensym))))
                       (conc "anonymous-"(symbol->string (gensym)))))
         (realthunk (lambda ()

	     (begin
	       (debug:print 0 *default-log-port* "joining threads failed. exn=" exn)
               #t) ;; just ignore it, it might have died in the meantime so joining it will throw an exception
             (thread-join! thread))
           )))
   (hash-table-keys *common:thread-punchlist*)))

;;======================================================================
;; (define *common:telemetry-log-state* 'startup)
;; (define *common:telemetry-log-socket* #f)
;; 
;; (define (common:telemetry-log-open)
;;   (if (eq? *common:telemetry-log-state* 'startup)
;;       (let* ((serverhost (configf:lookup *configdat* "telemetry" "host"))
;;              (serverport (configf:lookup-number *configdat* "telemetry" "port"))
;;              (user (or (get-environment-variable "USER") "unknown"))
;;              (host (or (get-environment-variable "HOST") "unknown")))
;;         (set! *common:telemetry-log-state*
;;               (handle-exceptions
;;                exn
;;                (begin
;;                  (debug:print-info 0 *default-log-port* "common-telemetry-log open udp port failure")
;;                  'broken)
;;                (if (and serverhost serverport user host)
;;                    (let* ((s (udp-open-socket)))
;;                      ;;(udp-bind! s #f 0)
;;                      (udp-connect! s serverhost serverport)
;;                      (set! *common:telemetry-log-socket* s)
;;                      'open)
;;                    'not-needed))))))
;;   
;; (define (common:telemetry-log event #!key (payload '()))
;;   (if (eq? *common:telemetry-log-state* 'startup)
;;       (common:telemetry-log-open))
;; 
;;   (if (eq? 'open *common:telemetry-log-state*)
;;       (handle-exceptions
;;        exn
;;        (begin
;;          (debug:print-info 0 *default-log-port* "common-telemetry-log comms failure ; disabled (no server?)")
;;          ;;(define *common:telemetry-log-state* 'broken-or-no-server-preclose)
;;          ;;(common:telemetry-log-close)
;;          (define *common:telemetry-log-state* 'broken-or-no-server)
;;          (set! *common:telemetry-log-socket* #f)

;;          )
;;        (if (and *common:telemetry-log-socket* event) ;; TODO - filter on event against telemetry.want-events
;;            (let* ((user (or (get-environment-variable "USER") "unknown"))
;;                   (host (or (get-environment-variable "HOST") "unknown"))
;;                   (start (conc "[megatest "event"]"))
;;                   (toppath (or *toppath* "/dev/null"))
;;                   (payload-serialized
;;                    (base64:base64-encode
;;                     (z3:encode-buffer
;;                      (with-output-to-string (lambda () (pp payload))))))
;;                   (msg     (conc user":"host":"start":"(current-process-id)":"(car (argv))":"
;;                                  toppath":"payload-serialized)))
;;              (udp-send *common:telemetry-log-socket* msg))))))
;;   
;; (define (common:telemetry-log-close)
;;   (when (or (member *common:telemetry-log-state* '(broken-or-no-server-preclose open)) *common:telemetry-log-socket*)
;;     (handle-exceptions
;;      exn
;;      (begin
;;        (define *common:telemetry-log-state* 'closed-fail)
;;        (debug:print-info 0 *default-log-port* "common-telemetry-log closure failure")

;;        )
;;      (begin
;;        (define *common:telemetry-log-state* 'closed)
;;        (udp-close-socket *common:telemetry-log-socket*)
;;        (set! *common:telemetry-log-socket* #f)))))

	    (if (common:file-exists? fullpath)
		(list path fullpath configname)
		(let ((remcwd (take dir (- (length dir) 1))))
		  (if (null? remcwd)
		      (list #f #f #f) ;;  #f #f) 
		  (loop remcwd)))))))))

(define (configf:assoc-safe-add alist key val #!key (metadata #f))
  (let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist)))
    (append newalist (list (if metadata
			       (list key val metadata)
			       (list key val))))))

(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f))
  (hash-table-set! cfgdat section-name
		   (configf:assoc-safe-add
		    (hash-table-ref/default cfgdat section-name '())
		    var value metadata: metadata)))

(define (configf:eval-string-in-environment str)
  ;; (if (or (string-null? str)
  ;;	  (equal? "!" (substring str 0 1))) ;; null string or starts with ! are preserved but NOT set in the environment
      str
      (handle-exceptions
       exn
       (begin
	 (debug:print-error 0 *default-log-port* "problem evaluating \"" str "\" in the shell environment, exn=" exn)

		 (if (and (not same-section) rx-match)
		     (for-each
		      (lambda (bundle)
			;; (print "bundle: " bundle)
			(let ((key  (car bundle))
			      (val  (cadr bundle))
			      (meta (if (> (length bundle) 2)(caddr bundle) #f)))
			  (hash-table-set! ht section (configf:assoc-safe-add (hash-table-ref ht section) key val metadata: meta))))
		      vars)))))
         (hash-table-keys ht))))
  ht)

;; read a config file, returns hash table of alists

;; read a config file, returns hash table of alists

                                                           (if (> delta 2)
                                                               (debug:print-info 0 *default-log-port* "for line \"" inl "\"\n  command: " cmd " took " delta " seconds to run with output:\n   " res)
                                                               (debug:print-info 9 *default-log-port* "for line \"" inl "\"\n  command: " cmd " took " delta " seconds to run with output:\n   " res))
                                                           (if (null? res)
                                                               ""
                                                               (string-intersperse res " "))))))
                                         (hash-table-set! res curr-section-name 
                                                          (configf:assoc-safe-add alist
                                                                                 key 
                                                                                 (case (calc-allow-system allow-system curr-section-name sections)
                                                                                   ((return-procs) val-proc)
                                                                                   ((return-string) cmd)
                                                                                   (else (val-proc)))
                                                                                 metadata: metapath))
                                         (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))
                                       (loop (configf:read-line inp res
                                                                (calc-allow-system allow-system curr-section-name sections)
                                                                settings)
                                             curr-section-name #f #f)))
               
	       (configf:key-no-val ( x key val)
                                   (let* ((alist   (hash-table-ref/default res curr-section-name '()))
                                          (fval    (or (if (string? val) val #f) ""))) ;; fval should be either "" or " " (one or more spaces)
                                     (debug:print 10 *default-log-port* "   setting: [" curr-section-name "] " key " = #t")
                                     (safe-setenv key fval)
                                     (hash-table-set! res curr-section-name 
                                                      (configf:assoc-safe-add alist key fval metadata: metapath))
                                     (loop (configf:read-line inp res
                                                              (calc-allow-system allow-system curr-section-name sections)
                                                              settings)
                                           curr-section-name key #f)))
               
	       (configf:key-val-pr ( x key unk1 val unk2 )
                                   (let* ((alist   (hash-table-ref/default res curr-section-name '()))
                                          (envar   (and environ-patt
							(string-search (regexp environ-patt) curr-section-name) ;; does the section match the envionpatt?
							(and (not (string-null? key))
							     (not (equal? "!" (substring key 0 1)))) ;; ! as leading character is a signature to NOT export to the environment
							;; (string-match "^.*:.*:.*$" key) ;; ;; something:something:something reserved for triggers in runconfigs
							)) 
                                          (realval (if envar
                                                       (configf:eval-string-in-environment val)
                                                       val)))
                                     (debug:print-info 6 *default-log-port* "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
                                     (if envar (safe-setenv key realval))
                                     (debug:print 10 *default-log-port* "   setting: [" curr-section-name "] " key " = " val)
                                     (hash-table-set! res curr-section-name 
                                                      (configf:assoc-safe-add alist key realval metadata: metapath))
                                     (loop (configf:read-line inp res
                                                              (calc-allow-system allow-system curr-section-name sections) settings)
                                           curr-section-name key #f)))
	       ;; if a continued line
	       (configf:cont-ln-rx ( x whsp val     )
                                   (let ((alist (hash-table-ref/default res curr-section-name '())))
                                     (if var-flag             ;; if set to a string then we have a continued var
                                         (let ((newval (conc 
                                                        (configf:lookup res curr-section-name var-flag) "\n"
                                                        ;; trim lead from the incoming whsp to support some indenting.
                                                        (if lead
                                                            (string-substitute (regexp lead) "" whsp)
                                                            "")
                                                        val)))
                                           ;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
                                           (hash-table-set! res curr-section-name 
                                                            (configf:assoc-safe-add alist var-flag newval metadata: metapath))
                                           (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name var-flag (if lead lead whsp)))
                                         (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
	       (else (debug:print-error 0 *default-log-port* "problem parsing " path ",\n   \"" inl "\"")
		     (set! var-flag #f)
		     (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f))))
          ) ;; end loop
        )))

;;  var yes
;;
;;  (configf:var-is? cfgdat "foo" "var" "yes") => #t
;;
(define (configf:var-is? cfgdat section var expected-val)
  (equal? (configf:lookup cfgdat section var) expected-val))

;; redefines
(define config-lookup configf:lookup)
(define configf:read-file read-config)

;; safely look up a value that is expected to be a number, return
;; a default (#f unless provided)
;;
(define (configf:lookup-number cfdat section varname #!key (default #f))

(define (configf:get-section cfgdat section)
  (hash-table-ref/default cfgdat section '()))

(define (configf:set-section-var cfgdat section var val)
  (let ((sectdat (configf:get-section cfgdat section)))
    (hash-table-set! cfgdat section
                     (configf:assoc-safe-add sectdat var val))))

;;======================================================================
;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat)
;;	    (list var val))))

(define (setup)
  (let* ((configf (find-config "megatest.config"))
	 (config  (if configf (read-config configf #f #t) #f)))
    (if config
	(setenv "RUN_AREA_HOME" (pathname-directory configf)))
    config))

  (let ((t-sort (assoc (configf:lookup *configdat* "dashboard" "testsort") *tests-sort-type-index*)))
    (if t-sort
	(cadr t-sort)
	3)))

(define (get-curr-sort)
  (vector-ref *tests-sort-options* *tests-sort-reverse*))

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

(debug:setup)

;; (define uidat #f)

(define-inline (dboard:uidat-get-keycol  vec)(vector-ref vec 0))
(define-inline (dboard:uidat-get-lftcol  vec)(vector-ref vec 1))

;;======================================================================
;; SQLITE3 HELPERS
;;======================================================================

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
    ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
    ;; (print "err-status: " err-status)
    (debug:print-error 0 *default-log-port* " query " stmt " failed, params: " params ", error: " ((condition-property-accessor 'exn 'message) exn))
    (print-call-chain (current-error-port))))

;; convert to -inline 
;;
(define (db:first-result-default db stmt default . params)
  (handle-exceptions

      #f
      (handle-exceptions
	  exn
	(begin
	  (print "Attempt to safely close sqlite3 db failed. Trying again. exn=" exn)
	  (thread-sleep! 3)
	  (sqlite3:interrupt! db)
	  (db:safely-close-sqlite3-db db stmt-cache try-num: (- try-num 1)))
	(if (sqlite3:database? db)
	    (let* ((stmts (and stmt-cache (hash-table-ref/default stmt-cache db #f))))
	      (if stmts (map sqlite3:finalize! (hash-table-values stmts)))
	      (sqlite3:finalize! db)
	      #t)
	    #f))))

     (lambda (option)
       
       (case option
	 ;; kill servers
	 ((killservers)
	  (for-each
	   (lambda (server)
             (handle-exceptions
             exn
             (begin 
               (debug:print-info 0 *default-log-port*  "Unable to get host and/or port from " server ", exn=" exn)     
               #f)
	     (match-let (((mod-time host port start-time server-id pid) server))
	       (if (and host pid)
		   (tasks:kill-server host pid)))))
	   servers)

          ;; /tmp/bjbarcla/megatest_localdb/fullrun/.nfs.pdx.disks.icf_env_disk001.bjbarcla.gwa.issues.mtdev.matt-bisect.megatest.ext-tests.runs.all.v1.65.1.6524.dev.bb-24-justrollup-f8.rollup.fullrun/megatest.db.lock
          (delete-file* (common:get-sync-lock-filepath))
          )
	 
	 ;; clear out junk records

                              id           INTEGER PRIMARY KEY,
                              test_id      INTEGER,
                              state        TEXT DEFAULT 'new',
                              status       TEXT DEFAULT 'n/a',
                              archive_type TEXT DEFAULT 'bup',
                              du           INTEGER,
                              archive_path TEXT);")))
         (print "creating triggers from init") 
        (db:create-triggers db)    
     db)) ;; )

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

    thekey))

;; Get run-ids for runs with same target but different runnames and NOT run-id
;;
(define (db:get-prev-run-ids dbstruct run-id)
  (let* ((keyvals (db:get-key-val-pairs dbstruct run-id))
	 (kvalues (map cadr keyvals))
	 (keys    (db:get-keys dbstruct))
	 (qrystr  (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND ")))
    (let ((prev-run-ids '()))
      (if (null? keyvals)
          '()
          (begin
            (db:with-db dbstruct #f #f ;; #f means work with the zeroth db - i.e. the runs db
                        (lambda (db)

	  -1 "-" "-"))

;;
;; 1. cache tests-match-qry
;; 2. compile qry and store in hash
;; 3. convert for-each-row to fold
;;
;; (define (db:get-tests-for-run-state-status dbstruct run-id testpatt)
;;   (db:with-db
;;    dbstruct run-id #f
;;    (lambda (db)
;;      (let* ((res            '())
;; 	    (stmt-cache      (dbr:dbstruct-stmt-cache dbstruct))
;; 	    (stmth           (let* ((sh (db:hoh-get stmt-cache db testpatt)))
;; 			       (or sh
;; 				   (let* ((tests-match-qry (tests:match->sqlqry testpatt))
;; 					  (qry             (conc "SELECT id,testname,item_path,state,status FROM tests WHERE run_id=? " 
;; 								 (if tests-match-qry (conc " AND (" tests-match-qry ") ") "")))
;; 					  (newsh           (sqlite3:prepare db qry)))
;; 				     (debug:print-info 8 *default-log-port* "db:get-tests-for-run qry=" qry)
;; 				     (db:hoh-set! stmt-cache db testpatt newsh)
;; 				     newsh)))))
;;        (reverse
;; 	(sqlite3:fold-row
;; 	 (lambda (res id testname item-path state status)
;; 	   ;;  id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment
;; 	   (cons (vector id run-id testname state status -1         ""     -1      -1       ""    "-"  item-path -1           "-"         "-") res))
;; 	 '()
;; 	 stmth
;; 	 run-id))))))

(define (db:get-tests-for-run-state-status dbstruct run-id testpatt #!optional (last-update 0))
  (let* ((res            '())
	 (tests-match-qry (tests:match->sqlqry testpatt))
	 (qry             (conc "SELECT id,testname,item_path,state,status,event_time,run_duration FROM tests WHERE run_id=? " 
				" AND last_update > ? "
				(if tests-match-qry (conc " AND (" tests-match-qry ") ") "")

      db
      "SELECT rundir FROM tests WHERE id=?;"
      #f ;; default result
      test-id))))

(define (db:get-test-times dbstruct run-name target)
  (let ((res `())
        (qry 	(conc "select testname, item_path, run_duration, "
		      (string-join (db:get-keys dbstruct) " || '/' || ")















		      " as target from tests inner join runs on tests.run_id = runs.id where runs.runname = ? and target = ?  ;")))

  (db:with-db 
    dbstruct
    #f ;; this is for the main runs db
    #f ;; does not modify db
    (lambda (db)
            (sqlite3:for-each-row
	(lambda (test-name item-path test-time target )

	  (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
	db
	"SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? ORDER BY category,variable;" test-id categorypatt)
       (reverse res)))))

;; This routine moved from tdb.scm, :read-test-data
;;
(define (db:read-test-data-varpatt dbstruct run-id test-id categorypatt varpatt)
  (let* ((res '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row 
	(lambda (id test_id category variable value expected tol units comment status type)
	  (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))

    ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
    (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)

    (let loop ((minutes   (calc-minutes))
	       (cpu-load  (alist-ref 'adj-core-load (common:get-normalized-cpu-load #f)))
	       (disk-free (get-df (current-directory)))
               (last-sync (current-seconds)))
      ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - top of loop encountered at "(current-seconds)" with last-sync="last-sync))
      (let* ((over-time     (> (current-seconds) (+ last-sync update-period)))
             (new-cpu-load  (let* ((load  (alist-ref 'adj-core-load (common:get-normalized-cpu-load #f)))
                                   (delta (abs (- load cpu-load))))
                              (if (> delta 0.1) ;; don't bother updating with small changes
                                  load
                                  #f)))
             (new-disk-free (let* ((df    (if over-time ;; only get df every 30 seconds

             (do-sync       (or new-cpu-load new-disk-free over-time))

             (test-info   (rmt:get-test-info-by-id run-id test-id))
             (state       (db:test-get-state test-info))
             (status      (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))
        ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - decision time encountered at "(current-seconds)" with last-sync="last-sync" do-sync="do-sync" over-time="over-time" update-period="update-period))
        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         ((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)
        (launch:handle-zombie-tests run-id)
        (when do-sync
          ;;(with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
          ;;  (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))
          ;; (common:telemetry-log "zombie" (conc  "launch:monitor-job - dosync started at "(current-seconds)))
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - dosync finished at "(current-seconds)))
	  )
        
	(if kill-job? 
	    (begin
              (debug:print-info 0 *default-log-port* "proceeding to kill test: "kill-reason)
	      (mutex-lock! m)
	      ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
	      ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second

	     (lambda (section)
	       (for-each
		(lambda (varval)
		  (let ((var (car varval))
			(val (cadr varval)))
		    (if (and (string? var)(string? val))
			(begin
			  (safe-setenv var (configf:eval-string-in-environment val))) ;; val)
			(debug:print-error 0 *default-log-port* "bad variable spec, " var "=" val))))
		(configf:get-section rconfig section)))
	     (list "default" target)))
          ;;(bb-check-path msg: "launch:execute post block 1")

	  ;; NFS might not have propagated the directory meta data to the run host - give it time if needed
	  (let loop ((count 0))

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

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..

;; (declare (unit megatest-version))

(define megatest-version 1.6583)

         "-list-disks"
         "-list-targets"
         "-show-runconfig"
         ;;"-list-db-targets"
         "-show-runconfig"
         "-show-config"
         "-show-cmdinfo"
	 "-cleanup-db"
            ))
       (no-watchdog-argvals (list '("-archive" . "replicate-db")))
       (start-watchdog-specail-arg-val (let loop ((hed  (car no-watchdog-argvals))
                                                  (tail (cdr   no-watchdog-argvals)))
                                             ;; (print "hed" hed " arg " (args:get-arg (car hed)) " val:" (cdr hed)  " eql" (equal? (args:get-arg (car hed)) (cdr hed)))  
                                             (if (equal? (args:get-arg (car hed)) (cdr hed))
                                               #f
                                               (if (null? tail)
                                                 #t
                                                 (loop (car tail) (cdr tail))))))      
       (no-watchdog-args-vals (filter (lambda (x) x)
                                      (map args:get-arg no-watchdog-args)))
       (start-watchdog (and (null? no-watchdog-args-vals) start-watchdog-specail-arg-val)))
       ;(print  "no-watchdog-args="no-watchdog-args "no-watchdog-args-vals="no-watchdog-args-vals " start-watchdog-specail-arg-val:" start-watchdog-specail-arg-val " start-watchdog:" start-watchdog) 
  (if start-watchdog
      (thread-start! *watchdog*)))


;; bracket open-output-file with code to make leading directory if it does not exist and handle exceptions
(define (open-logfile logpath-in)
  (condition-case

                                                    (test-id      (if (member "id"           tests-spec)(get-value-by-fieldname test test-field-index "id"          ) #f)) ;; (db:test-get-id         test))
                                                    (testname     (if (member "testname"     tests-spec)(get-value-by-fieldname test test-field-index "testname"    ) #f)) ;; (db:test-get-testname   test))
                                                    (itempath     (if (member "item_path"    tests-spec)(get-value-by-fieldname test test-field-index "item_path"   ) #f)) ;; (db:test-get-item-path  test))
                                                    (fullname     (conc testname
                                                                        (if (equal? itempath "")
                                                                            "" 
                                                                            (conc "/" itempath ))))
                                                    (testdat-raw (map vector->list (rmt:read-test-data-varpatt run-id test-id categorypatt setvarpatt)))
                                                    (testdat (filter
                                                              (lambda (x)
                                                                (not (equal? "logpro"
                                                                             (list-ref x 10))))
                                                              testdat-raw)))
                                               (map 
                                                (lambda (item)

			 (print path))
		       paths))))))

;;======================================================================
;; Archive tests
;;======================================================================
;; Archive tests matching target, runname, and testpatt
(if (equal? (args:get-arg "-archive") "replicate-db")
    (begin
          ;; check if source
          ;; check if megatest.db exist
         (launch:setup)
         (if (not (args:get-arg "-source"))
             (begin 
             (debug:print-info 1 *default-log-port* "Missing required argument -source <archive path>")
             (exit 1)))
         (if (common:file-exists? (conc  *toppath* "/megatest.db"))
             (begin  
               (debug:print-info 1 *default-log-port* "File " (conc  *toppath* "/megatest.db") " already exists. Please remove it before trying to replicate db")

                  (begin 
                  (archive:restore-db src ts)
            (set! *didsomething* #t))
       (begin
         (debug:print-error 1 *default-log-port* "Path " source " not found")
         (exit 1))))))   
    ;; else do a general-run-call
   (if (and (args:get-arg "-archive") (not (equal? (args:get-arg "-archive") "replicate-db"))) 
    (begin
      ;; for the archive get we need to preserve the starting dir as part of the target path
      (if (and (args:get-arg "-dest")
	       (not (equal? (substring (args:get-arg "-dest") 0 1) "/")))
	  (let ((newpath  (conc (current-directory) "/" (args:get-arg "-dest"))))
	    (debug:print-info 1 *default-log-port* "Preserving original path to destination, was " (args:get-arg "-dest") ", now " newpath)
	    (hash-table-set! args:arg-hash "-dest" newpath)))

		  (if (alist-ref key *additional-cards*) ;; these cards do not translate to parameters or switches
		      res
		      (begin
			(print "ERROR: Unknown key in packet \"" key "\" with value \"" val "\"")
			res)))))
	  (conc "megatest " (if (not (member action '("sync")))
				(conc action " " action-param)
				"") (if (member action '("-run" "-rerun-clean" "-rerun-all" "-kill-rerun"))
                                                        "-rerun DEAD,ABORT,KILLED"
                                                        ""))
	  pkta)))

;; (use trace)(trace pkt->cmdline)

(define (write-pkt pktsdir uuid pkt)
  (if pktsdir
      (with-output-to-file

			(remote-conndat runremote)
			#f)))
	  (if cinfo
	      cinfo
	      (if (server:check-if-running areapath)
		  (client:setup areapath)
		  #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

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

(define (rmt:read-test-data run-id test-id categorypatt #!key (work-area #f)) 
  (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)) 
  (rmt:send-receive 'read-test-data-varpatt run-id (list run-id test-id categorypatt varpatt)))

(define (rmt:get-data-info-by-id test-data-id)
   (rmt:send-receive 'get-data-info-by-id #f (list test-data-id)))

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

(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)

                   (print-call-chain *default-log-port*)
                   (debug:print 0 *default-log-port* "Message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
                   (debug:print 0 *default-log-port* "ERROR: failed to run pre-hook " run-pre-hook ", check the log " log-file))
                 (debug:print-info 0 *default-log-port* "running run-pre-hook: \"" run-pre-hook "\", log is " actual-logf)
                 (system (conc run-pre-hook " >> " actual-logf " 2>&1"))
                 (debug:print-info 0 *default-log-port* "pre-hook \"" run-pre-hook "\" took " (- (current-seconds) start-time) " seconds to run.")))
              (debug:print 0 *default-log-port* "Skipping pre-hook call \"" run-pre-hook "\" as there are existing tests for this run.")))))
   


(define (runs:run-post-hook run-id)
    (let* ((run-post-hook   (configf:lookup *configdat* "runs" "post-hook"))
           (existing-tests (if run-post-hook
                               (rmt:get-tests-for-run run-id "%" '() '() ;; run-id testpatt states statuses
                                                      #f #f ;; offset limit
                                                      #f ;; not-in
                                                      #f ;; sort-by

		(begin
		  (print-call-chain *default-log-port*)
		  (debug:print 0 *default-log-port* "Message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
		  (debug:print 0 *default-log-port* "ERROR: failed to run post-hook " run-post-hook ", check the log " log-file))
	      (debug:print-info 0 *default-log-port* "running run-post-hook: \"" run-post-hook "\", log is " actual-logf)
	      (system (conc run-post-hook " >> " actual-logf " 2>&1"))
	      (debug:print-info 0 *default-log-port* "post-hook \"" run-post-hook "\" took " (- (current-seconds) start-time) " seconds to run."))))))


(define (runs:rerun-hook test-id new-test-path testdat rerunlst)
    (let* ((rerun-hook   (configf:lookup *configdat* "runs" "rerun-hook"))
           (log-dir         (conc *toppath* "/reruns/logs"))
           (target (getenv "MT_TARGET"))
           (runname (common:args-get-runname))
           (rundir (db:test-get-rundir testdat))
           (tarfiledir (conc *toppath* "/reruns"))
           (status (db:test-get-status testdat))
           (comment (conc "\"" (db:test-get-comment testdat) "\"" ))
           (testname (db:test-get-testname testdat))
           (itempath (db:test-get-item-path testdat))
           (file-body (conc status "-" (string-translate target "/" "-") "-" runname "." testname (if (not (string=? itempath "")) (conc  "." (string-translate itempath "/" "-")) "")))
           (log-file (conc file-body ".log"))
           ;; (log-file        (conc status "-" (string-translate target "/" "-") "-" runname "." testname (if (not (string=? itempath "")) (conc  "." (string-translate itempath "/" "-")) "") ".log"))
           (full-log-fname  (conc log-dir "/" log-file))
           (tarfilename (conc file-body ".tar"))
           ;; (tarfilename (conc status "." (string-translate target "/" "-") "." runname "." testname (if (not (string=? itempath "")) (conc  "." (string-translate itempath "/" "-")) "") ".tar"))
           )
      (if rerun-hook
	  (let* ((use-log-dir (if (not (directory-exists? log-dir))
				  (handle-exceptions
				      exn
				      (begin
					(debug:print 0 *default-log-port* "WARNING: Failed to create " log-dir ", exn=" exn)
					#f)
				    (create-directory log-dir #t)
				    #t)
				  #t))
		 (start-time   (current-seconds))
		 (actual-logf  (if use-log-dir full-log-fname log-file))
                 (sys-call-text (conc rerun-hook " " tarfilename " " rundir " " actual-logf " " runname " " tarfiledir " " status " " target " " comment " " testname " " itempath " >> " actual-logf " 2>&1"))
                 )
	    (debug:print 2 *default-log-port* "Found rerun-hook in config:" rerun-hook)
	    (handle-exceptions
		exn
		(begin
		  (print-call-chain *default-log-port*)
		  (debug:print 0 *default-log-port* "Message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
		  (debug:print 0 *default-log-port* "ERROR: failed to run rerun-hook " rerun-hook ", check the log " log-file))
	      (debug:print-info 0 *default-log-port* "running rerun-hook: \"" rerun-hook "\", log is " actual-logf)
              ;; call the hook
              (debug:print-info 0 *default-log-port* "Calling rerun-hook for " test-id new-test-path testdat rerunlst)
              (debug:print-info 0 *default-log-port* "rerun hook: " rerun-hook)
              (debug:print-info 0 *default-log-port* "tarfilename: " tarfilename)
              (debug:print-info 0 *default-log-port* "rundir: " rundir)
              (debug:print-info 0 *default-log-port* "actual-logf: " actual-logf)
              (debug:print-info 0 *default-log-port* "runname: " runname)
              (debug:print-info 0 *default-log-port* "sys-call-text: " sys-call-text)
	      (system sys-call-text)
	      (debug:print-info 0 *default-log-port* "rerun-hook \"" rerun-hook "\" took " (- (current-seconds) start-time) " seconds to run."))))))




;; return #t when all items in waitors-upon list are represented in test-patt, #f otherwise.
(define (runs:testpatts-mention-waitors-upon? test-patt waitors-upon)
  (null? (tests:filter-test-names-not-matched waitors-upon test-patt)))

;;======================================================================
;; runs:run-tests is called from megatest.scm and itself

    ;; Ensure all tests are registered in the test_meta table
    (runs:update-all-test_meta #f)

    ;; run the run prehook if there are no tests yet run for this run:
    ;;
    (runs:run-pre-hook run-id)
    ;; mark all test launched flag as false in the meta table 
    (rmt:set-var (conc "lunch-complete-" run-id) "no")
    (debug:print-info 1 *default-log-port* "Setting end-of-run to no")
    (let* ((config-reruns      (let ((x (configf:lookup *configdat* "setup" "reruns")))
			       (if x (string->number x) #f)))
	  (config-rerun-cnt (if config-reruns
			config-reruns
			1)))

	    (thread-join! th2)
	    ;; if run-count > 0 call, set -preclean and -rerun STUCK/DEAD
	    (if (> run-count 0) ;; handle reruns
		(begin
		  (if (not (hash-table-ref/default flags "-preclean" #f))
		      (hash-table-set! flags "-preclean" #t))
		  (if (not (hash-table-ref/default flags "-rerun" #f))
		      (hash-table-set! flags "-rerun" "ABORT,STUCK/DEAD,n/a,ZERO_ITEMS"))
		  ;; recursive call to self
      (runs:run-tests target runname test-patts user flags run-count: (- run-count 1)))
                  (launch:end-of-run-check run-id)))
	  (debug:print-info 0 *default-log-port* "No tests to run")))
    (debug:print-info 4 *default-log-port* "All done by here")
    ;; TODO: try putting post hook call here
      

		      keepgoing)
		  ;; Require to force re-run for COMPLETED or *anything* + PASS,WARN or CHECK
		  (or (member (test:get-status testdat) '("PASS" "WARN" "CHECK" "SKIP" "WAIVED"))
		      (member (test:get-state  testdat) '("COMPLETED")))) 
	     (debug:print-info 2 *default-log-port* "running test " test-name "/" item-path " suppressed as it is " (test:get-state testdat) " and " (test:get-status testdat))
	     (hash-table-set! test-registry full-test-name 'DONOTRUN) ;; COMPLETED)
	     (set! runflag #f))

	    ;; -rerun and status is one of the specifed, run it
	    ((and rerun
		  (let* ((rerunlst   (string-split rerun ","))
			 (must-rerun (member (test:get-status testdat) rerunlst)))
		    (debug:print-info 3 *default-log-port* "-rerun list: " rerun ", test-status: " (test:get-status testdat)", must-rerun: " must-rerun)
		    must-rerun))
	     (debug:print-info 2 *default-log-port* "Rerun forced for test " test-name "/" item-path)
	     (set! runflag #t)
             (debug:print-info 2 *default-log-port* "Calling rerun hook")
             (runs:rerun-hook test-id new-test-path testdat rerun)
             )
             

	    
            ;; -keepgoing, do not rerun FAIL
	    ((and keepgoing
		  (member (test:get-status testdat) '("FAIL")))
	     (set! runflag #f))
	    
            ((and (not rerun)
		  (member (test:get-status testdat) '("FAIL" "n/a")))
	     (set! runflag #t))

	    (else (set! runflag #f)))
	   (debug:print 4 *default-log-port* "RUNNING => runflag: " runflag " STATE: " (test:get-state testdat) " STATUS: " (test:get-status testdat))
	   (if (not runflag)
	       (if (not parent-test)
		   (if (runs:lownoise (conc "not starting test" full-test-name) 60)
		       (debug:print 1 *default-log-port* "NOTE: Not starting test " full-test-name " as it is state \"" (test:get-state testdat) 
				    "\" and status \"" (test:get-status testdat) "\", use -rerun \"" (test:get-status testdat)

;; delete redundant runs within a target - N is the input
;; delete redundant runs within a target IFF older than given date/time AND keep at least N
;; 
(define (runs:remove-all-but-last-n-runs-per-target target-patts runpatt num-to-keep #!key (actions '(print)))
  (let* ((runs-ht  (runs:get-hash-by-target target-patts runpatt))
	 (age      (if (args:get-arg "-age")(common:hms-string->seconds (args:get-arg "-age")) #f))
	 (age-mark (if age (- (current-seconds) age) (+ (current-seconds) 86400)))
	 (precmd   (or (args:get-arg "-precmd") ""))
         (action-chk (member (string->symbol "remove-runs") actions)))
     ;; check the sequence of actions  archive must comme before remove-runs
     (if  (and action-chk (member (string->symbol "archive") action-chk))
          (begin
          (debug:print-error 0 *default-log-port* "action remove-runs must come after archive")
          (exit 1))) 
    (print "Actions: " actions " age: " age)
    (for-each
     (lambda (action)
        (for-each
         (lambda (target)
            (let* ((runs      (hash-table-ref runs-ht target))
	           (sorted    (sort runs (lambda (a b)(< (simple-run-event_time a)(simple-run-event_time b)))))
	           (to-remove (let* ((len      (length sorted))
                                     (trim-amt (- len num-to-keep)))
                                 (if (> trim-amt 0)
                                    (take sorted trim-amt)
                                    '()))))
	   (hash-table-set! runs-ht target to-remove)
           (print target ":")
           (for-each
            (lambda (run)
              (let ((remove (member run to-remove (lambda (a b)
                                                    (eq? (simple-run-id a)
                                                         (simple-run-id b))))))
  	        (if (and age (> (simple-run-event_time run) age-mark))
		     (print "Skipping handling of " target "/" (simple-run-runname run) " as it is younger than " (args:get-arg "-age"))


		     (case action
		       ((print)
			(print " " (simple-run-runname run)
			       " " (time->string (seconds->local-time (simple-run-event_time run)) "WW%V.%u %H:%M:%S")
			       " " (if remove "REMOVE" "")))
		       ((remove-runs)
			(if remove (system (conc precmd " megatest -remove-runs -target " target " -runname " (simple-run-runname run) " -testpatt %"
						 (if (member 'kill-runs actions) ;; if kill-runs is specified then set -kill-wait to 0
						     " -kill-wait 0"
						     "")))))
		       ((archive)
			(if remove (system (conc precmd " megatest -archive save-remove -target " target " -runname " (simple-run-runname run) " -testpatt %"))))
		       ((kill-runs)
			(if remove (system (conc precmd " megatest -kill-runs -target " target " -runname " (simple-run-runname run) " -testpatt %"))))))))


            sorted)))


         (hash-table-keys runs-ht)))
      actions)
    runs-ht))

(define (remove-last-path-directory path-in)
  (let* ((dparts  (string-split path-in "/"))
    (path-out (conc "/" (string-intersperse (take dparts (- (length dparts) 1)) "/")))
    )
    path-out
  )
)





















(define (runs:operate-on action target runnamepatt testpatt #!key (state #f)(status #f)(new-state-status #f)(mode #f)(options '()))
  (common:clear-caches) ;; clear all caches
  (let* ((db           #f)
	 ;; (tdbdat       (tasks:open-db))
	 (keys         (rmt:get-keys))
	 (rundat       (mt:get-runs-by-patt keys runnamepatt target))
	 (header       (vector-ref rundat 0))

                                            (loop new-test-dat tal)
                                            (loop (car tal)(append tal (list new-test-dat)))))
                                      (begin
                                       (let ((rundir (db:test-get-rundir new-test-dat)))
                                        (if (and (not (string=  rundir "/tmp/badname")) 
                                             (file-exists? rundir)
                                             (substring-index run-name rundir)
                                             (tests:glob-like-match (conc "%/" target "/%") rundir)
                                             )
                                          (begin
                                            (set! lasttpath (db:test-get-rundir new-test-dat)) ;; remember this path for run removal
                                            (set! lastrealpath (remove-last-path-directory (resolve-pathname lasttpath)))
                                            (hash-table-set! run-paths-hash lastrealpath 1)
                                            (runs:remove-test-directory new-test-dat mode) ;; 'remove-all)
                                          )
                                          (begin
                                            (debug:print 2 *default-log-port* "Not removing directory " rundir " because either it doesn't exist or has a bad name")
                                            (debug:print 2 *default-log-port* "Is /tmp/badname: " (string=  rundir "/tmp/badname"))
                                            (debug:print 2 *default-log-port* "Exists: " (file-exists? rundir))
                                            (debug:print 2 *default-log-port* "Has run-name: " (substring-index run-name rundir))
                                            (debug:print 2 *default-log-port* "Has target: " (tests:glob-like-match (conc "%/" target "/%") rundir))
                                            (debug:print 2 *default-log-port* "Target: " target)

                                            ;;PJH remove record from db no need to cleanup directory
                                            (case mode
                                               ((remove-data-only)(mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) (db:test-get-state test)(db:test-get-status test) #f))
                                               ((archive-remove)  (mt:test-set-state-status-by-id (db:test-get-run_id test)(db:test-get-id test) "ARCHIVED" #f #f))
                                               (else (rmt:delete-test-records (db:test-get-run_id test) (db:test-get-id test))))

                                          )

    (sauthorize:db-do  (lambda (db)
        (let* ((data-row (query fetch (sql db (conc "SELECT  code, exe_name,  id, basepath  FROM  areas where areas.code = '" code "'")))))
         (set!  obj data-row))))
;(print obj)
obj))


(define (sauth-common:src-size path)
  (let ((output (with-input-from-pipe (conc "/usr/bin/du -s " path  "  | awk '{print $1}'")  
                 (lambda()
                  (read-line)))))
      (string->number output)))  

(define (sauth-common:space-left-at-dest path)
   (let* ((output  (run/string (pipe (df ,path ) (tail -1))))
         (size (caddr (cdr (string-split output " ")))))
  (string->number size)))

;; function to validate the users input for target path and resolve the path
;; TODO: Check for restriction in subpath 
(define (sauth-common:resolve-path  new current allowed-sheets)
   (let* ((target-path (append  current (string-split new "/")))
          (target-path-string (string-join target-path "/"))
          (normal-path (normalize-pathname target-path-string))

                                     base-path 
                                     (conc base-path "/" (string-join (cdr resolved-path) "/")))))
                    
	              
                           (if (and (not (equal? restricted-areas "" ))
                             (string-match (regexp  restrictions) target-path)) 
                           (begin
                              (sauth:print-error (conc "Access denied to " (string-join resolved-path "/")))
                              ;(exit 1)   
                            #f)
                             target-path)
                            
))
             #f)))

    (thread-join! log-rotate)
    (pop-directory)))

;; given a path to a server log return: host port startseconds
;; 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 uses match let 

(define (server:logf-get-start-info logf)
  (let ((server-rx (regexp "^SERVER STARTED: (\\S+):(\\d+) AT ([\\d\\.]+) server-id: (\\S+)")) ;; SERVER STARTED: host:port AT timesecs server id
        (dbprep-rx (regexp "^SERVER: dbprep"))
        (dbprep-found 0)) 
    (handle-exceptions
	exn
      (begin
	(debug:print-info 0 *default-log-port* "Unable to get server info from " logf ", exn=" exn)
	(list #f #f #f #f)) ;; 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 )
                           (list #f #f #f #f)))
		      (let ((dat  (cdr mlst)))
			(list (car dat) ;; host
			      (string->number (cadr dat)) ;; port
			      (string->number (caddr dat))
                              (cadr (cddr dat))))))
                (begin 
                   (if dbprep-found
                      (begin
                         (debug:print-info 0 *default-log-port* "Server is in dbprep at " (current-seconds))
                         (thread-sleep! 25)
                      )
                      (debug:print-info 0 *default-log-port* "Unable to get server info from " logf " at " (current-seconds))
                   )
		    (list #f #f #f #f)))))))))

;; get a list of servers 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$"))

		(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 that do not contain "exiting". Ignore logs for servers that have exited.
	(let* ((server-logs-cmd  (conc "grep -iL exiting " areapath "/logs/server-*-*.log"))
               (server-logs   (string-split (string-chomp (call-with-input-pipe server-logs-cmd read-all))))
	       (num-serv-logs (length server-logs)))
	  (if (or (null? server-logs) (= num-serv-logs 0))
              (let ()
                 (debug:print 1  *default-log-port* "There are no servers running")
	         '()
              )
	      (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* "failed to get modification time on " hed ", exn=" exn)
				     (current-seconds)) ;; 0

				     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

	 (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))
	       (all-go   (> delta reftime)))
	  (if (and all-go
		   (begin
                     (debug:print-info 0 *default-log-port* "Writing " start-flag)
		     (with-output-to-file start-flag
		       (lambda ()
			 (print server-key)))
		     (thread-sleep! 0.25)
		     (let ((res (with-input-from-file start-flag
				  (lambda ()
				    (read-line)))))

				((2)  300)
				(else 600))
			      (random 5)))   ;; add a small random number just in case a lot of jobs hit the work hosts simultaneously
	     (lock-file    (conc areapath "/logs/server-start.lock")))
	(if	(> (- (current-seconds) when-run) run-delay)
		(let* ((start-flag (conc areapath "/logs/server-start-last")))
		  (common:simple-file-lock-and-wait lock-file expire-time: 15)
                  (debug:print-info  0 *default-log-port* "server:kind-run: touching " start-flag)
		  (system (conc "touch " start-flag)) ;; lazy but safe
		  (server:run areapath)
		  (thread-sleep! 2) ;; don't release the lock for at least a few seconds
		  (common:simple-file-release-lock lock-file)))
	(hash-table-set! *server-kind-run* areapath (list (+ call-num 1)(current-seconds))))))

;; this one seems to be the general entry point

(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.

  (let ((legacy-sync  (common:run-sync?))
        (sync-stale-seconds (configf:lookup-number *configdat* "server" "sync-stale-seconds" default: 300))
	(debug-mode   (debug:debug-mode 1))
	(last-time    (current-seconds))
	(no-sync-db   (db:open-no-sync-db))
	(stmt-cache   (dbr:dbstruct-stmt-cache dbstruct))
        (sync-duration 0) ;; run time of the sync in milliseconds

        )
    (set! *no-sync-db* no-sync-db) ;; make the no sync db available to api calls
    (debug:print-info 2 *default-log-port* "Periodic sync thread started.")
    (debug:print-info 3 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)  );;  " this-wd-num="this-wd-num)
    (if (and legacy-sync (not *time-to-exit*))
	(let* (;;(dbstruct (db:setup))
	       (mtdb       (dbr:dbstruct-mtdb dbstruct))

(define (spublish:shell-cp src-path target-path)  
  (cond
   ((not (file-exists? target-path))
	(sauth:print-error (conc " target Directory " target-path " does not exist!!")))
   ((not (file-exists? src-path))
    (sauth:print-error (conc "Source path " src-path " does not exist!!" )))
   (else
     (if (< (sauth-common:space-left-at-dest target-path) (sauth-common:src-size src-path))
          (begin 
             (sauth:print-error "Destination does not have enough disk space.")
             (exit 1)))    
     (if (is_directory src-path) 
        (begin
            (let* ((parent-dir src-path)
                   (start-dir target-path))
                 (run (pipe
                   (begin (system (conc "cd " parent-dir " ;tar chf - ." )))
                   (begin (change-directory start-dir)

                      (print (string-substitute (conc base_path "/") "" p "-"))))
                 ((directory? p)              
                 ;;do nothing for dirs)
                 ) 
                (else 
                                        
                     (if (not (string-match (regexp exclude)  p ))
                        (print (string-substitute (conc base_path "/") "" p "-"))))))
         dotfiles: #t))

(define (sretrieve:shell-help)
(conc "Usage: " *exe-name* " [action [params ...]]

  ls    [target path]               	  : list contents of target area. The output of the cmd can be piped into other system cmd. eg ls <path> | grep txt
  cd    <target directory>	     	  : To change the current directory within the sretrive shell. 
  pwd				     	  : Prints the full pathname of the current directory within the sretrive shell.

      (else (print 0 "Unrecognised command " action))))

(define (main)
  (let* ((args      (argv))
	 (prog      (car args))
	 (rema      (cdr args))
	 (exe-name  (pathname-file (car (argv))))
	 ;(exe-dir   (or (pathname-directory prog)
	;		(sretrieve:find exe-name (string-split (get-environment-variable "PATH") ":"))))
	 ;(configdat (sretrieve:load-config exe-dir exe-name))
)
    ;; preserve the exe data in the config file
    ;(hash-table-set! configdat "exe-info" (list (list "exe-name" exe-name)
					;	(list "exe-dir"  exe-dir)))
    (cond
     ;; one-word commands

		 (if section
		     (map cadr section)
		     '()))))
    (filter (lambda (d)
	      (if (directory-exists? d)
		  d
		  (begin
		    ;; (if (common:low-noise-print 60 "tests:get-tests-search-path" d)
		    ;;	(debug:print 0 *default-log-port* "WARNING: problem with directory " d ", dropping it from tests path"))
		    #f)))
	    (append paths (list (conc *toppath* "/tests"))))))

(define (tests:get-valid-tests test-registry tests-paths)
  (if (null? tests-paths) 
      test-registry
      (let loop ((hed (car tests-paths))

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

prefix=$1
cmd=$2
target=$3
cfgfile="$prefix/bin/.$(lsb_release -sr)/cfg.sh"
libdir="$prefix/bin/.$(lsb_release -sr)/lib"

# we wish to create a var in cfg.sh for finding sqlite3 executable
chicken_bin_dir=$(dirname $(which csi))
if [[ -e $chicken_bin_dir/sqlite3 ]];then
    sqlite3_exe=$chicken_bin_dir/sqlite3
else
    sqlite3_exe=$(which sqlite3)
fi

if [ "$LD_LIBRARY_PATH" != "" ];then
  echo "INFO: Using LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >&2
  echo "INFO: Writing $cfgfile" >&2
( cat << __EOF
if [ -z \$MT_ORIG_ENV ]; then
    export MT_ORIG_ENV=\$( $prefix/bin/serialize-env )
fi

if [ "\$LD_LIBRARY_PATH" != "" ];then
  export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:\$LD_LIBRARY_PATH:$libdir
else
  export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$libdir
fi

export MT_SQLITE3_EXE=$sqlite3_exe
__EOF
) > $cfgfile
  echo 
else