Overview
Comment: | Protected accesses to megatest.db and monitor.db with journal file busy control |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | v1.60 |
Files: | files | file ages | folders |
SHA1: |
faeb319c76f2ae738bb0981a450e27c8 |
User & Date: | matt on 2014-11-10 22:31:21 |
Other Links: | branch diff | manifest | tags |
Context
2014-11-11
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09:21 | reduce noise on output check-in: 678ea430aa user: mrwellan tags: v1.60 | |
2014-11-10
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22:31 | Protected accesses to megatest.db and monitor.db with journal file busy control check-in: faeb319c76 user: matt tags: v1.60 | |
2014-11-07
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14:09 | Protect the transaction in sync-db with exception handler check-in: d46174b7d1 user: mrwellan tags: v1.60 | |
Changes
Modified db.scm from [6ed0b093c7] to [ce7df076f7].
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252 253 254 255 256 257 258 | 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 | + + - - - - + + + + + + - - - - + + + + | (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) (begin (db:delay-if-busy) |
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509 510 511 512 513 514 515 | 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 | + + - + + + - + + + - + + + | ;; (define (db:multi-db-sync run-ids . options) (let* ((toppath (launch:setup-for-run)) (dbstruct (if toppath (make-dbr:dbstruct path: toppath) #f)) (mtdb (if toppath (db:open-megatest-db))) (run-ids (if run-ids run-ids (if toppath (begin (db:delay-if-busy) |
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Modified http-transport.scm from [6319f7b685] to [c83e2578f6].
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153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | + + + | ;; get_next_port goes here (http-transport:try-start-server run-id ipaddrstr (portlogger:open-run-close portlogger:find-port) server-id)) (begin (tasks:wait-on-busy-monitor.db) (tasks:server-force-clean-run-record (tasks:get-db) run-id ipaddrstr portnum " http-transport:try-start-server") (print "ERROR: Tried and tried but could not start the server")))) ;; any error in following steps will result in a retry (set! *server-info* (list ipaddrstr portnum)) (tasks:wait-on-busy-monitor.db) (tasks:server-set-interface-port (tasks:get-db) server-id ipaddrstr portnum) (debug:print 0 "INFO: Trying to start server on " ipaddrstr ":" portnum) ;; This starts the spiffy server ;; NEED WAY TO SET IP TO #f TO BIND ALL ;; (start-server bind-address: ipaddrstr port: portnum) (if config-hostname ;; this is a hint to bind directly (start-server port: portnum bind-address: (if (equal? config-hostname "-") ipaddrstr config-hostname)) (start-server port: portnum)) ;; (portlogger:open-run-close portlogger:set-port portnum "released") (tasks:wait-on-busy-monitor.db) (tasks:server-force-clean-run-record (tasks:get-db) run-id ipaddrstr portnum " http-transport:try-start-server") (debug:print 1 "INFO: server has been stopped")))) ;;====================================================================== ;; S E R V E R U T I L I T I E S ;;====================================================================== |
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254 255 256 257 258 259 260 261 262 263 264 265 266 267 | 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 | + | exn (debug:print 0 "WARNING: closing connections failed. Server at " fullurl " almost certainly dead") (close-all-connections!)) (debug:print 0 "WARNING: Failed to communicate with server, trying again, numretries left: " numretries) (http-transport:client-api-send-receive run-id serverdat cmd params numretries: (- numretries 1))) (begin (mutex-unlock! *http-mutex*) (tasks:wait-on-busy-monitor.db) (tasks:kill-server-run-id run-id) #f)) (begin (debug:print-info 11 "fullurl=" fullurl ", cmd=" cmd ", params=" params ", run-id=" run-id "\n") ;; set up the http-client here (max-retry-attempts 1) ;; consider all requests indempotent |
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367 368 369 370 371 372 373 374 375 376 377 378 379 380 | 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 | + | sdat (begin (debug:print-info 0 "Still waiting, last-sdat=" last-sdat) (sleep 4) (if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes (let ((tdb (tasks:open-db))) (debug:print 0 "ERROR: transport appears to have died, exiting server " server-id " for run " run-id) (tasks:wait-on-busy-monitor.db) (tasks:server-delete-record tdb server-id "failed to start, never received server alive signature") (sqlite3:finalize! tdb) (exit)) (loop start-time (equal? sdat last-sdat) sdat))))))) (iface (car server-info)) |
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402 403 404 405 406 407 408 409 410 411 412 413 414 415 | 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 | + | (debug:print 2 "SYNC: time= " sync-time ", rem-time=" rem-time) ;; ;; set_running after our first pass through and start the db ;; (if (eq? server-state 'available) (begin (tasks:wait-on-busy-monitor.db) (tasks:server-set-state! tdb server-id "dbprep") (thread-sleep! 5) ;; give some margin for queries to complete before switching from file based access to server based access (set! *inmemdb* (db:setup run-id)) (tasks:server-set-state! tdb server-id "running"))) (if (and (<= rem-time 4) (> rem-time 0)) |
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461 462 463 464 465 466 467 468 469 470 471 472 473 474 | 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 | + | ;; (tasks:server-set-state! tdb server-id "running")) ;; (loop 0 server-state)) (begin (debug:print-info 0 "Starting to shutdown the server.") ;; need to delete only *my* server entry (future use) (set! *time-to-exit* #t) (tasks:wait-on-busy-monitor.db) ;; wait here in addition to just before the shutting-down (if *inmemdb* (db:sync-touched *inmemdb* *run-id* force-sync: #t)) ;; ;; start_shutdown ;; (tasks:server-set-state! tdb server-id "shutting-down") (portlogger:open-run-close portlogger:set-port port "released") (thread-sleep! 5) |
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484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 | 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 | + + + + | (debug:print-info 0 "Average non-cached time " (if (eq? *number-non-write-queries* 0) "n/a (no queries)" (/ *total-non-write-delay* *number-non-write-queries*)) " ms") (debug:print-info 0 "Server shutdown complete. Exiting") (tasks:wait-on-busy-monitor.db) (tasks:server-delete-record tdb server-id " http-transport:keep-running") (exit)))))) ;; all routes though here end in exit ... ;; ;; start_server? ;; (define (http-transport:launch run-id) (set! *run-id* run-id) (if (args:get-arg "-daemonize") (begin (daemon:ize) (if *alt-log-file* ;; we should re-connect to this port, I think daemon:ize disrupts it (begin (current-error-port *alt-log-file*) (current-output-port *alt-log-file*))))) (if (server:check-if-running run-id) (begin (debug:print 0 "INFO: Server for run-id " run-id " already running") (exit 0))) (tasks:wait-on-busy-monitor.db) (let loop ((server-id (tasks:server-lock-slot (tasks:get-db) run-id)) (remtries 4)) (if (not server-id) (if (> remtries 0) (begin (thread-sleep! 2) (tasks:wait-on-busy-monitor.db) (loop (tasks:server-lock-slot (tasks:get-db) run-id) (- remtries 1))) (begin ;; since we didn't get the server lock we are going to clean up and bail out (debug:print-info 2 "INFO: server pid=" (current-process-id) ", hostname=" (get-host-name) " not starting due to other candidates ahead in start queue") (tasks:wait-on-busy-monitor.db) (tasks:server-delete-records-for-this-pid (tasks:get-db) " http-transport:launch") )) (let* ((th2 (make-thread (lambda () (debug:print-info 0 "Server run thread started") (http-transport:run (if (args:get-arg "-server") (args:get-arg "-server") |
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Modified launch.scm from [56d8cf0de9] to [490135a0e7].
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498 499 500 501 502 503 504 | 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 | - + - + - + | (bestsize 0)) (if disks (for-each (lambda (disk-num) (let* ((dirpath (cadr (assoc disk-num disks))) (freespc (cond ((not (directory? dirpath)) |
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Modified rmt.scm from [f39ba1bbf7] to [ec918e30be].
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95 96 97 98 99 100 101 | 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | + - - - - + + + + | (hash-table-delete! *runremote* run-id) ;; don't keep using the same connection (rmt:send-receive cmd run-id params)))) (let ((max-avg-qry (string->number (or (configf:lookup *configdat* "server" "server-query-threshold") "10")))) (debug:print-info 4 "no server and read-only query, bypassing normal channel") ;; (if (rmt:write-frequency-over-limit? cmd run-id)(server:kind-run run-id)) (let ((curr-max (rmt:get-max-query-average run-id))) (if (> (cdr curr-max) max-avg-qry) (if (common:low-noise-print 10 "start server due to max average query too long") |
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Modified runs.scm from [27619ede09] to [5861640706].
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158 159 160 161 162 163 164 | 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | - - - + + + | (if (> (- currtime lasttime) waitval) (begin (hash-table-set! *runs:denoise* key currtime) #t) #f))) (define (runs:can-run-more-tests run-id jobgroup max-concurrent-jobs) |
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1115 1116 1117 1118 1119 1120 1121 | 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 | - + | (if (> (current-seconds)(+ last-time-incomplete 900)) (begin (debug:print-info 0 "Marking stuck tests as INCOMPLETE while waiting for run " run-id ". Running as pid " (current-process-id) " on " (get-host-name)) (set! last-time-incomplete (current-seconds)) (rmt:find-and-mark-incomplete run-id #f))) (if (not (eq? num-running prev-num-running)) (debug:print-info 0 "run-wait specified, waiting on " num-running " tests in RUNNING, REMOTEHOSTSTART or LAUNCHED state at " (time->string (seconds->local-time (current-seconds))))) |
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Modified tasks.scm from [b57f2cb57e] to [059408bffa].
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49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | + + + | (define (tasks:get-task-db-path) (if *task-db* (vector-ref *task-db* 1) (let* ((linktree (configf:lookup *configdat* "setup" "linktree")) (dbpath (conc linktree "/.db/monitor.db"))) dbpath))) (define (tasks:wait-on-busy-monitor.db) (tasks:wait-on-journal (tasks:get-task-db-path) 30)) ;; If file exists AND ;; file readable ;; ==> open it ;; If file exists AND ;; file NOT readable ;; ==> open in-mem version ;; If file NOT exists |
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