Megatest

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Comment:Added the refactored watchdog back
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Timelines: family | ancestors | descendants | both | matt-db-sync-2 | v1.62-side
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SHA1: 828d218b238f0fef3d178c04d09905b1628449be
User & Date: mrwellan on 2016-10-31 15:42:20
Other Links: branch diff | manifest | tags
Context
2016-11-04
20:02
Merged in 828d2 Closed-Leaf check-in: 2444b3e509 user: matt tags: v1.62-side
2016-10-31
17:18
Watchdog enabled. Duplicate overlapping runs of sync-to prevented. check-in: 95a867e2e7 user: mrwellan tags: matt-db-sync-2, v1.62-side
15:42
Added the refactored watchdog back check-in: 828d218b23 user: mrwellan tags: matt-db-sync-2, v1.62-side
13:56
db cache can do a sync to megatest.db if it has write access. The db timestamps are used to minimize burden but this is still likely not a good idea and should be removed. check-in: 12001d6988 user: mrwellan tags: matt-db-sync-2, v1.62-side
Changes

Modified common.scm from [5849a40b64] to [51dcb7dd1a].

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      (args:get-arg "-use-db-cache") ;; feels like a bad idea ...
      ))

(define (common:legacy-sync-required)
  (configf:lookup *configdat* "setup" "megatest-db"))

;; run-ids
;;    if #f use *db-local-sync*
;;    if #t use timestamps
(define (common:sync-to-megatest.db run-ids) 
  (let ((start-time         (current-seconds))
        (run-ids-to-process (if (list? run-ids)
                                run-ids
                                (if run-ids
                                    (db:get-changed-run-ids (let* ((mtdb-fpath (conc *toppath* "/megatest.db"))
                                                                   (mtdb-exists (file-exists? mtdb-fpath)))
                                                              (if mtdb-exists
                                                                  (file-modification-time mtdb-fpath)
                                                                  0)))
                                    (hash-table-keys *db-local-sync*)))))
    (debug:print-info 4 *default-log-port* "Processing run-ids: " run-ids-to-process)







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      (args:get-arg "-use-db-cache") ;; feels like a bad idea ...
      ))

(define (common:legacy-sync-required)
  (configf:lookup *configdat* "setup" "megatest-db"))

;; run-ids
;;    if #f use *db-local-sync* : or 'local-sync-flags
;;    if #t use timestamps      : or 'timestamps
(define (common:sync-to-megatest.db run-ids) 
  (let ((start-time         (current-seconds))
        (run-ids-to-process (if (list? run-ids)
                                run-ids
                                (if (or (eq? run-ids 'timestamps)(eq? run-ids #t))
                                    (db:get-changed-run-ids (let* ((mtdb-fpath (conc *toppath* "/megatest.db"))
                                                                   (mtdb-exists (file-exists? mtdb-fpath)))
                                                              (if mtdb-exists
                                                                  (file-modification-time mtdb-fpath)
                                                                  0)))
                                    (hash-table-keys *db-local-sync*)))))
    (debug:print-info 4 *default-log-port* "Processing run-ids: " run-ids-to-process)
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               (debug:print-info 3 *default-log-port* "Sync of newdb to olddb for run-id " run-id " completed in " sync-time " seconds")
               (if (common:low-noise-print 30 "sync new to old")
                   (debug:print-info 0 *default-log-port* "Sync of newdb to olddb for run-id " run-id " completed in " sync-time " seconds")))
             (hash-table-delete! *db-local-sync* run-id)))
       (mutex-unlock! *db-multi-sync-mutex*))
     run-ids-to-process)))
































(define (std-exit-procedure)
  (let ((no-hurry  (if *time-to-exit* ;; hurry up
		       #f
		       (begin
			 (set! *time-to-exit* #t)
			 #t))))







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               (debug:print-info 3 *default-log-port* "Sync of newdb to olddb for run-id " run-id " completed in " sync-time " seconds")
               (if (common:low-noise-print 30 "sync new to old")
                   (debug:print-info 0 *default-log-port* "Sync of newdb to olddb for run-id " run-id " completed in " sync-time " seconds")))
             (hash-table-delete! *db-local-sync* run-id)))
       (mutex-unlock! *db-multi-sync-mutex*))
     run-ids-to-process)))

(define (common:watchdog)
  (thread-sleep! 0.05) ;; delay for startup
  (let ((legacy-sync (common:legacy-sync-required))
	(debug-mode  (debug:debug-mode 1))
	(last-time   (current-seconds)))
    (if (or (common:legacy-sync-recommended)
	    legacy-sync)
	(let loop ()
	  ;; sync for filesystem local db writes
	  ;;
	  (let ((start-time   (current-seconds)))
	    (common:sync-to-megatest.db 'local-sync-flags)
	    (if (and debug-mode
		     (> (- start-time last-time) 60))
		(begin
		  (set! last-time start-time)
		  (debug:print-info 4 *default-log-port* "timestamp -> " (seconds->time-string (current-seconds)) ", time since start -> " (seconds->hr-min-sec (- (current-seconds) *time-zero*))))))

	  ;; keep going unless time to exit
	  ;;
	  (if (not *time-to-exit*)
	      (let delay-loop ((count 0))
		(if (and (not *time-to-exit*)
			 (< count 4)) ;; was 11, changing to 4. 
		    (begin
		      (thread-sleep! 1)
		      (delay-loop (+ count 1))))
		(loop)))
	  (if (common:low-noise-print 30)
	      (debug:print-info 0 *default-log-port* "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*))))))

(define (std-exit-procedure)
  (let ((no-hurry  (if *time-to-exit* ;; hurry up
		       #f
		       (begin
			 (set! *time-to-exit* #t)
			 #t))))

Modified dashboard.scm from [a3ba83c9cc] to [3a6a1edeb1].

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;; TODO: Move this inside (main)
;;
(if (not (launch:setup))
    (begin
      (print "Failed to find megatest.config, exiting") 
      (exit 1)))










;; data common to all tabs goes here
;;
(defstruct dboard:commondat
  ((curr-tab-num 0) : number)
  please-update  
  tabdats







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;; TODO: Move this inside (main)
;;
(if (not (launch:setup))
    (begin
      (print "Failed to find megatest.config, exiting") 
      (exit 1)))

;; create a watch dog to move changes from lt/.db/*.db to megatest.db
;;
(if (file-write-access? (conc *toppath* "/megatest.db"))
    (thread-start! (make-thread common:watchdog "Watchdog thread"))
    (if (not (args:get-arg "-use-db-cache"))
	(begin
	  (debug:print-info 0 *default-log-port* "Forcing db-cache mode due to read-only access to megatest.db")
	  (hash-table-set! args:arg-hash "-use-db-cache" #t))))

;; data common to all tabs goes here
;;
(defstruct dboard:commondat
  ((curr-tab-num 0) : number)
  please-update  
  tabdats