Megatest

(define *configdat*  #f)
(define *toppath*    #f)
(define *already-seen-runconfig-info* #f)
(define *waiting-queue*     (make-hash-table))
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus*  0) ;; attempt to work around possible thread issues
(define *passnum*           0) ;; when running track calls to run-tests or similar
(define *write-frequency*   (make-hash-table)) ;; run-id => (vector (current-seconds) 0))

;; DATABASE
(define *open-dbs* (vector #f (make-hash-table))) ;; megatestdb run-id-dbs

;; SERVER
(define *my-client-signature* #f)
(define *transport-type*    'http)

	 (targ-path   (conc disk-path "/" area "/" version "/" iteration))
	 (id          (datastore:get-id db area version iteration))
	 (db          (datashare:open-db configdat)))
    (if (> space-avail 10000) ;; dumb heuristic
	(begin
	  (create-directory targ-path #t)
	  (datastore:set-stored-path db id targ-path)
	  (print "Running command: rsync -av " source-path "/ " targ-path "/")
	  (let ((th1 (make-thread (lambda ()
				    (let ((pid (process-run "rsync" (list "-av" (conc source-path "/") (conc targ-path "/")))))
				      (process-wait pid)
				      (datastore:set-copied db id "yes")
				      (sqlite3:finalize! db)))
				   "Data copy")))
	    (thread-start! th1))
	  #t)
	(begin

		       ;;  					     ;; set positon using coordinates or center, start, top, left, end, bottom, right, parent-center, current
		       ;;  					     ;; #:x 'mouse
		       ;;  					     ;; #:y 'mouse
		       ;;  )					     
		       ))))

(define (datashare:publish-view configdat)
  ;; (pp (hash-table->alist configdat))
  (let* ((areas       (configf:get-section configdat "areas"))
	 (label-size  "70x")
	 (areas-sel   (iup:listbox #:expand "HORIZONTAL" #:dropdown "YES"))
	 (version-tb  (iup:textbox #:expand "HORIZONTAL")) ;;  #:size "50x"))
	 (areas-sel   (iup:listbox #:expand "HORIZONTAL" #:dropdown "YES"))
	 (component   (iup:listbox #:expand "HORIZONTAL" #:dropdown "YES" ))
	 (version-val (iup:textbox #:expand "HORIZONTAL" #:size "50x"))

				  #:action (lambda (obj)
					     (let* ((fd  (iup:file-dialog #:dialogtype "DIR"))
						    (top (iup:show fd #:modal? "YES")))
					       (iup:attribute-set! source-tb "VALUE"
								   (iup:attribute fd "VALUE"))
					       (iup:destroy! fd))))))
    (print "areas")
    ;; (pp areas)
    (fold (lambda (areadat num)
	    ;; (print "Adding num=" num ", areadat=" areadat)
	    (iup:attribute-set! areas-sel (conc num) (car areadat))
	    (+ 1 num))
	  1 areas)
    (iup:vbox
     (iup:hbox (iup:label "Area:"        #:size label-size)   areas-sel)

				      (set! curr-record record)
				      (iup:attribute-set! submitter      "TITLE" (datastore:pkg-get-submitter record))
				      (iup:attribute-set! date-submitted "TITLE" (time->string (seconds->local-time (datastore:pkg-get-datetime record))))
				      (iup:attribute-set! comment        "TITLE" (datastore:pkg-get-comment record))
				      (iup:attribute-set! quality        "TITLE" (datastore:pkg-get-quality record))
				      (iup:attribute-set! copy-link      "TITLE" (datastore:pkg-get-store_type record))
				      ))
				;; (print  "id=" id " path=" path " record=" record);; (tree:node->path obj id) " run-id: " run-id)
				))))
	   (tb2             (iup:treebox
			    #:value 0
			    #:name "Installed"
			    #:expand "YES"
			    #:addexpanded "NO"
			    #:selection-cb

	;; (set! (iup:callback tabs tabchange-cb:) (lambda (a b c)(print "SWITCHED TO TAB: " a " " b " " c)))
	(iup:attribute-set! tabs "TABTITLE0" "Publish")
	(iup:attribute-set! tabs "TABTITLE1" "Get")
	(iup:attribute-set! tabs "TABTITLE2" "Manage")
	;; (iup:attribute-set! tabs "BGCOLOR" "190 190 190")
	tabs)))
  (iup:main-loop))

;;======================================================================
;; MISC
;;======================================================================

(define (datastore:find name paths)
  (if (null? paths)
      #f
      (let loop ((hed (car paths))
		 (tal (cdr paths)))
	(if (file-exists? (conc hed "/" name))
	    hed
	    (if (null? tal)
		#f
		(loop (car tal)(cdr tal)))))))

;;======================================================================
;; MAIN
;;======================================================================

(define (datashare:load-config exe-dir exe-name)

  (let* ((fname   (conc exe-dir "/." exe-name ".config")))
    (ini:property-separator-patt " *  *")
    (ini:property-separator #\space)
    (if (file-exists? fname)
	;; (ini:read-ini fname)
	(read-config fname #f #t)
	(make-hash-table))))

;; ease debugging by loading ~/.dashboardrc - remove from production!
(let ((debugcontrolf (conc (get-environment-variable "HOME") "/.datasharerc")))
  (if (file-exists? debugcontrolf)
      (load debugcontrolf)))

(define (main)
  (let* ((args      (argv))
	 (prog      (car args))
	 (rema      (cdr args))
	 (exe-name  (pathname-file (car (argv))))
	 (exe-dir   (or (pathname-directory prog)
			(datastore:find exe-name (string-split (get-environment-variable "PATH") ":"))))
	 (configdat (datashare:load-config exe-dir exe-name)))
    (cond
     ((eq? (length rema) 1)
      (case (string->symbol (car rema))
	((help -h -help --h --help)
	 (print datashare:help))
	(else
	 (print "ERROR: Unrecognised command. Try \"datashare help\""))))
     ((null? rema)(datashare:gui configdat))
     ((>= (length rema) 2)
      (apply process-action (car rema)(cdr rema)))
     (else (print "ERROR: Unrecognised command. Try \"datashare help\"")))))

(main)

	(rundb  (dbr:dbstruct-get-rundb dbstruct))
	(inmem  (dbr:dbstruct-get-inmem dbstruct))
	(maindb (dbr:dbstruct-get-main  dbstruct))
	(refdb  (dbr:dbstruct-get-refdb dbstruct))
	(olddb  (dbr:dbstruct-get-olddb dbstruct))
	;; (runid  (dbr:dbstruct-get-run-id dbstruct))
	)
    (debug:print-info 4 "Syncing for run-id: " run-id)
    (if (eq? run-id 0)
	;; runid equal to 0 is main.db
	(if maindb
	    (if (or (not (number? mtime))
		    (not (number? stime))
		    (> mtime stime)
		    force-sync)
		(let ((num-synced (db:sync-tables (db:sync-main-list maindb) maindb olddb)))
		  (dbr:dbstruct-set-stime! dbstruct (current-milliseconds))
		  num-synced)
		0)
	    (begin
	      ;; this can occur when using local access (i.e. not in a server)
	      ;; need a flag to turn it off.
	      ;;
	      (debug:print 3 "WARNING: call to sync main.db to megatest.db but main not initialized")
	      0))
	;; any other runid is a run
	(if (or (not (number? mtime))
		(not (number? stime))
		(> mtime stime)
		force-sync)
	    (let ((num-synced (db:sync-tables db:sync-tests-only inmem refdb rundb olddb)))
	      (dbr:dbstruct-set-stime! dbstruct (current-milliseconds))
	      num-synced)
	    0))))

;; close all opened run-id dbs
(define (db:close-all dbstruct)
  ;; finalize main.db
  (db:sync-touched dbstruct 0 force-sync: #t)
  (sqlite3:finalize! (db:get-db dbstruct #f))
  (let* ((local (dbr:dbstruct-get-local dbstruct))
	 (rundb (dbr:dbstruct-get-rundb dbstruct)))
    (if local
	(for-each
	 (lambda (db)
	   (if (sqlite3:database? db)

	   '("avg_disk"       #f)
	   '("tags"           #f)
	   '("jobgroup"       #f)))))
    
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
(define (db:sync-tables tbls fromdb todb . slave-dbs)
  (cond
   ((not fromdb) (debug:print 3 "WARNING: db:sync-tables called with fromdb missing") -1)
   ((not todb)   (debug:print 3 "WARNING: db:sync-tables called with todb missing") -2)
   ((not (sqlite3:database? fromdb))
    (debug:print 0 "ERROR: db:sync-tables called with fromdb not a database " fromdb) -3)
   ((not (sqlite3:database? todb))
    (debug:print 0 "ERROR: db:sync-tables called with todb not a database " todb) -4)
   (else
    (let ((stmts       (make-hash-table)) ;; table-field => stmt
	  (all-stmts   '())              ;; ( ( stmt1 value1 ) ( stml2 value2 ))

;; )


;;======================================================================
;;  S U P P O R T   F U N C T I O N S
;;======================================================================

(define (rmt:write-frequency-over-limit? cmd run-id)
  (or (member cmd api:read-only-queries)
      (let* ((tmprec (hash-table-ref/default *write-frequency* run-id #f))
	     (record (if tmprec tmprec 
			 (let ((v (vector (current-seconds) 0)))
			   (hash-table-set! *write-frequency* run-id v)
			   v)))
	     (count  (+ 1 (vector-ref record 1)))
	     (start  (vector-ref record 0)))
	(vector-set! record 1 count)
	(if (and (> count 1) 
		 (< (/ (- (current-seconds) start)
		       count) ;; seconds per count
		    10))
	    (begin
	      (debug:print-info 1 "db write rate too high, starting a server")
	      #t)
	    #f)))) ;; less than 10 seconds per count - start up a server

;; cmd is a symbol
;; vars is a json string encoding the parameters for the call
;;
(define (rmt:send-receive cmd rid params)
  (let* ((run-id          (if rid rid 0))
	 (connection-info (let ((cinfo (hash-table-ref/default *runremote* run-id #f)))
			    (if cinfo
				cinfo
				;; if read only query and server not already running
				;; bypass starting the server. 
				;;
				;; NB// can cache the answer for server running for 10 seconds ...
				;;
				(if (and (not (rmt:write-frequency-over-limit? cmd run-id))
					 (not (open-run-close tasks:server-running-or-starting? tasks:open-db run-id)))
				    #f
				    (let loop ((numtries 100))
				      (let ((res (client:setup run-id)))
					(if res 
					    (hash-table-ref/default *runremote* run-id #f) ;; client:setup filled this in (hopefully)
					    (if (> numtries 0)
						(begin

	(let ((res             (http-transport:client-api-send-receive run-id connection-info cmd jparams)))
	  (if res
	      (db:string->obj res)
	      (let ((new-connection-info (client:setup run-id)))
		(debug:print 0 "WARNING: Communication failed, trying call to http-transport:client-api-send-receive again.")
		(rmt:send-receive cmd run-id params))))
	(begin
	  (debug:print-info 4 "no server and read-only query, bypassing normal channel")
	  (rmt:open-qry-close-locally cmd run-id params)))))

(define (rmt:open-qry-close-locally cmd run-id params)
  (let* ((dbdir (conc    (configf:lookup *configdat* "setup" "linktree") "/.db"))
	 (dbstruct-local (make-dbr:dbstruct path:  dbdir
					    local: #t))
	 (db-file-path   (db:dbfile-path 0))

     mdb
     ;; removed:
     ;; strftime('%s','now')-heartbeat < 10 AND mt_version = ?
     "SELECT id,interface,port,pubport,transport,pid,hostname FROM servers
          WHERE run_id=? AND state='running'
          ORDER BY start_time DESC LIMIT 1;" run-id) ;; (common:version-signature) run-id)
    res))

(define (tasks:server-running-or-starting? mdb run-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     mdb
     "SELECT id FROM servers WHERE run_id=? AND state in ('running','available');" run-id)
    res))

(define (tasks:get-all-servers mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)
       ;;                       0   1        2         3    4       5          6        7     8          9          10        11     12
       (set! res (cons (vector id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id) res)))