| ︙ | | | ︙ | |
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
(setenv key val))
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val))))
(define home (getenv "HOME"))
(define user (getenv "USER"))
;; GLOBAL GLETCHES
;; CONTEXTS
(defstruct cxt
(taskdb #f)
(cmutex (make-mutex)))
;; (define *contexts* (make-hash-table))
;; (define *context-mutex* (make-mutex))
|
|
|
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
(setenv key val))
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val))))
(define home (getenv "HOME"))
(define user (getenv "USER"))
;; GLOBALS
;; CONTEXTS
(defstruct cxt
(taskdb #f)
(cmutex (make-mutex)))
;; (define *contexts* (make-hash-table))
;; (define *context-mutex* (make-mutex))
|
| ︙ | | | ︙ | |
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
;; KEY info
(define *target* (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys* (make-hash-table)) ;; cache the keys here
(define *keyvals* (make-hash-table))
(define *toptest-paths* (make-hash-table)) ;; cache toptest path settings here
(define *test-paths* (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids* (make-hash-table)) ;; cache run-id, testname, and item-path => test-id
(define *test-info* (make-hash-table)) ;; cache the test info records, update the state, status, run_duration etc. from testdat.db
(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))
(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url (if *toppath* (server:check-if-running *toppath*))) ;; (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(conndat #f)
(transport *transport-type*)
(server-timeout (server:get-timeout)) ;; default from server:get-timeout
|
>
>
>
>
|
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
(define *server-overloaded* #f)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
;; KEY info
(define *target* (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys* (make-hash-table)) ;; cache the keys here
(define *keyvals* (make-hash-table))
(define *toptest-paths* (make-hash-table)) ;; cache toptest path settings here
(define *test-paths* (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids* (make-hash-table)) ;; cache run-id, testname, and item-path => test-id
(define *test-info* (make-hash-table)) ;; cache the test info records, update the state, status, run_duration etc. from testdat.db
(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
(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url (if *toppath* (server:check-if-running *toppath*))) ;; (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(conndat #f)
(transport *transport-type*)
(server-timeout (server:get-timeout)) ;; default from server:get-timeout
|
| ︙ | | | ︙ | |
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
|
(and (common:on-homehost?)
(args:get-arg "-server")))
;; (let ((ohh (common:on-homehost?))
;; (srv (args:get-arg "-server")))
;; (and ohh srv)))
;; (debug:print-info 0 *default-log-port* "common:run-sync? ohh=" ohh ", srv=" srv)
;;;; run-ids
;; if #f use *db-local-sync* : or 'local-sync-flags
;; if #t use timestamps : or 'timestamps
(define (common:sync-to-megatest.db dbstruct)
(let ((start-time (current-seconds))
(res (db:multi-db-sync dbstruct 'new2old)))
(let ((sync-time (- (current-seconds) start-time)))
(debug:print-info 3 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))
(if (common:low-noise-print 30 "sync new to old")
(debug:print-info 0 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))))
res))
|
<
<
<
<
<
<
<
<
<
<
<
<
<
|
636
637
638
639
640
641
642
643
644
645
646
647
648
649
|
(and (common:on-homehost?)
(args:get-arg "-server")))
;; (let ((ohh (common:on-homehost?))
;; (srv (args:get-arg "-server")))
;; (and ohh srv)))
;; (debug:print-info 0 *default-log-port* "common:run-sync? ohh=" ohh ", srv=" srv)
(define *wdnum* 0)
(define *wdnum*mutex (make-mutex))
;; 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)
|
| ︙ | | | ︙ | |
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
|
(debug:print-info 13 *default-log-port* "duration-since-last-sync="duration-since-last-sync)
(if (and (not *time-to-exit*)
(< duration-since-last-sync sync-cool-off-duration))
(thread-sleep! (- sync-cool-off-duration duration-since-last-sync)))
(if (not *time-to-exit*)
(let ((golden-mtdb-mtime (file-modification-time golden-mtpath))
(tmp-mtdb-mtime (file-modification-time tmp-mtpath)))
(if (> golden-mtdb-mtime tmp-mtdb-mtime)
(let ((res (db:multi-db-sync dbstruct 'old2new)))
(debug:print-info 13 *default-log-port* "rosync called, " res " records transferred.")))
(define (common:writable-watchdog dbstruct)
(thread-sleep! 0.05) ;; delay for startup
(let ((legacy-sync (common:run-sync?))
(debug-mode (debug:debug-mode 1))
(last-time (current-seconds))
(this-wd-num (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x))))
(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))
(mtpath (db:dbdat-get-path mtdb)))
(debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
(let loop ()
;; sync for filesystem local db writes
;;
(mutex-lock! *db-multi-sync-mutex*)
(let* ((need-sync (>= *db-last-access* *db-last-sync*)) ;; no sync since last write
(sync-in-progress *db-sync-in-progress*)
(should-sync (and (not *time-to-exit*)
(> (- (current-seconds) *db-last-sync*) 5))) ;; sync every five seconds minimum
(start-time (current-seconds))
(mt-mod-time (file-modification-time mtpath))
(recently-synced (< (- start-time mt-mod-time) 4))
(will-sync (and (or need-sync should-sync)
(not sync-in-progress)
(not recently-synced))))
(debug:print-info 13 *default-log-port* "WD writable-watchdog top of loop. need-sync="need-sync" sync-in-progress="sync-in-progress" should-sync="should-sync" start-time="start-time" mt-mod-time="mt-mod-time" recently-synced="recently-synced" will-sync="will-sync)
;; (if recently-synced (debug:print-info 0 *default-log-port* "Skipping sync due to recently-synced flag=" recently-synced))
;; (debug:print-info 0 *default-log-port* "need-sync: " need-sync " sync-in-progress: " sync-in-progress " should-sync: " should-sync " will-sync: " will-sync)
(if will-sync (set! *db-sync-in-progress* #t))
(mutex-unlock! *db-multi-sync-mutex*)
(if will-sync
(let ((res (common:sync-to-megatest.db dbstruct))) ;; did we sync any data? If so need to set the db touched flag to keep the server alive
(if (> res 0) ;; some records were transferred, keep the db alive
(begin
(mutex-lock! *heartbeat-mutex*)
(set! *db-last-access* (current-seconds))
(mutex-unlock! *heartbeat-mutex*)
(debug:print-info 0 *default-log-port* "sync called, " res " records transferred."))
(debug:print-info 2 *default-log-port* "sync called but zero records transferred"))))
(if will-sync
(begin
(mutex-lock! *db-multi-sync-mutex*)
(set! *db-sync-in-progress* #f)
(set! *db-last-sync* start-time)
(mutex-unlock! *db-multi-sync-mutex*)))
(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))
;;(debug:print-info 13 *default-log-port* "delay-loop top; count="count" pid="(current-process-id)" this-wd-num="this-wd-num" *time-to-exit*="*time-to-exit*)
(if (and (not *time-to-exit*)
(< count 4)) ;; was 11, changing to 4.
(begin
(thread-sleep! 1)
(delay-loop (+ count 1))))
(if (not *time-to-exit*) (loop))))
(if (common:low-noise-print 30)
(debug:print-info 0 *default-log-port* "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" this-wd-num="this-wd-num)))))))
(common:writable-watchdog dbstruct)))
(debug:print-info 13 *default-log-port* "watchdog done."))
(debug:print-info 13 *default-log-port* "no need for watchdog on non-homehost"))))
(define (std-exit-procedure)
(on-exit (lambda () 0))
;;(debug:print-info 13 *default-log-port* "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
|
|
>
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
|
(debug:print-info 13 *default-log-port* "duration-since-last-sync="duration-since-last-sync)
(if (and (not *time-to-exit*)
(< duration-since-last-sync sync-cool-off-duration))
(thread-sleep! (- sync-cool-off-duration duration-since-last-sync)))
(if (not *time-to-exit*)
(let ((golden-mtdb-mtime (file-modification-time golden-mtpath))
(tmp-mtdb-mtime (file-modification-time tmp-mtpath)))
(if (> golden-mtdb-mtime tmp-mtdb-mtime)
(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)
(cond
((dbr:dbstruct-read-only dbstruct)
(debug:print-info 13 *default-log-port* "loading read-only watchdog")
(common:readonly-watchdog dbstruct))
(else
(debug:print-info 13 *default-log-port* "loading writable-watchdog.")
(server:writable-watchdog dbstruct)))
(debug:print-info 13 *default-log-port* "watchdog done."))
(debug:print-info 13 *default-log-port* "no need for watchdog on non-homehost"))))
(define (std-exit-procedure)
(on-exit (lambda () 0))
;;(debug:print-info 13 *default-log-port* "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
|
| ︙ | | | ︙ | |
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
|
(let ((db (cdr *task-db*)))
(if (sqlite3:database? db)
(begin
(sqlite3:interrupt! db)
(sqlite3:finalize! db #t)
;; (vector-set! *task-db* 0 #f)
(set! *task-db* #f)))))
(if (and *runremote*
(remote-conndat *runremote*))
(begin
(http-client#close-all-connections!))) ;; for http-client
(if (not (eq? *default-log-port* (current-error-port)))
(close-output-port *default-log-port*))
(set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
(th2 (make-thread (lambda ()
(debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
(if no-hurry
(begin
|
>
|
|
|
|
|
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
|
(let ((db (cdr *task-db*)))
(if (sqlite3:database? db)
(begin
(sqlite3:interrupt! db)
(sqlite3:finalize! db #t)
;; (vector-set! *task-db* 0 #f)
(set! *task-db* #f)))))
(http-client#close-all-connections!)
;; (if (and *runremote*
;; (remote-conndat *runremote*))
;; (begin
;; (http-client#close-all-connections!))) ;; for http-client
(if (not (eq? *default-log-port* (current-error-port)))
(close-output-port *default-log-port*))
(set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
(th2 (make-thread (lambda ()
(debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
(if no-hurry
(begin
|
| ︙ | | | ︙ | |