Overview
| Comment: | updated server launch to handle collisions gracefully (but introduced other issues - moving to sidebranch to debug) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | v1.63-server-fix |
| Files: | files | file ages | folders |
| SHA1: |
c9880665a8c91d242956c7f6284c6dea |
| User & Date: | bjbarcla on 2016-12-29 00:11:58 |
| Original Comment: | updated server launch to handle collisions gracefully |
| Other Links: | branch diff | manifest | tags |
Context
|
2016-12-29
| ||
| 00:14 | added script manyservers.sh which will be basis for a test of server start & collision resilency check-in: 3d418034bd user: bjbarcla tags: v1.63-server-fix | |
| 00:11 | updated server launch to handle collisions gracefully (but introduced other issues - moving to sidebranch to debug) check-in: c9880665a8 user: bjbarcla tags: v1.63-server-fix | |
|
2016-12-28
| ||
| 16:35 | fixed condition where watchdog continued to process many times rapidly when time-to-exit is #t check-in: 88034605c0 user: bjbarcla tags: v1.63 | |
Changes
Modified common.scm from [d2df0eaa3f] to [4b29489636].
| ︙ | ︙ | |||
577 578 579 580 581 582 583 |
(this-wd-num (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x)))
)
(debug:print-info 0 *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)))
(debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
(let loop ()
| | | 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 |
(this-wd-num (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x)))
)
(debug:print-info 0 *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)))
(debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
(let loop ()
;;(BB> "watchdog loop. pid="(current-process-id)" this-wd-num="this-wd-num" *time-to-exit*="*time-to-exit*)
;; 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
|
| ︙ | ︙ | |||
616 617 618 619 620 621 622 | (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)) | | > | 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 |
(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))
;;(BB> "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)))))))
(define (std-exit-procedure)
(on-exit (lambda () 0))
;;(BB> "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
(let ((no-hurry (if *time-to-exit* ;; hurry up
#f
(begin
(set! *time-to-exit* #t)
#t))))
(debug:print-info 4 *default-log-port* "starting exit process, finalizing databases.")
(if (and no-hurry (debug:debug-mode 18))
|
| ︙ | ︙ | |||
675 676 677 678 679 680 681 682 683 684 685 686 687 688 |
)
0)
(define (std-signal-handler signum)
;; (signal-mask! signum)
(set! *time-to-exit* #t)
(debug:print-error 0 *default-log-port* "Received signal " signum " exiting promptly")
;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway
(exit))
(set-signal-handler! signal/int std-signal-handler) ;; ^C
(set-signal-handler! signal/term std-signal-handler)
;; (set-signal-handler! signal/stop std-signal-handler) ;; ^Z NO, do NOT handle ^Z!
| > | 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 |
)
0)
(define (std-signal-handler signum)
;; (signal-mask! signum)
(set! *time-to-exit* #t)
;;(BB> "got signal "signum)
(debug:print-error 0 *default-log-port* "Received signal " signum " exiting promptly")
;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway
(exit))
(set-signal-handler! signal/int std-signal-handler) ;; ^C
(set-signal-handler! signal/term std-signal-handler)
;; (set-signal-handler! signal/stop std-signal-handler) ;; ^Z NO, do NOT handle ^Z!
|
| ︙ | ︙ |
Modified common_records.scm from [4d93fb5556] to [e3400966c5].
| ︙ | ︙ | |||
119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 |
(lambda ()
(if *logging*
(db:log-event (apply conc params))
(apply print params)
)))))
;; Brandon's debug printer shortcut (indulge me :)
(define (BB> . in-args)
(let* ((stack (get-call-chain))
(location #f))
(for-each
(lambda (frame)
(let* ((this-loc (vector-ref frame 0))
(this-func (cadr (string-split this-loc " "))))
(if (equal? this-func "BB>")
(set! location this-loc))))
stack)
| > | | 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 |
(lambda ()
(if *logging*
(db:log-event (apply conc params))
(apply print params)
)))))
;; Brandon's debug printer shortcut (indulge me :)
(define *BB-process-starttime* (current-milliseconds))
(define (BB> . in-args)
(let* ((stack (get-call-chain))
(location #f))
(for-each
(lambda (frame)
(let* ((this-loc (vector-ref frame 0))
(this-func (cadr (string-split this-loc " "))))
(if (equal? this-func "BB>")
(set! location this-loc))))
stack)
(let ((dp-args (append (list 0 *default-log-port* (conc location "@"(/ (- (current-milliseconds) *BB-process-starttime*) 1000)" ") ) in-args)))
(apply debug:print dp-args))))
(define *BBpp_custom_expanders_list* (make-hash-table))
;; register hash tables with BBpp.
|
| ︙ | ︙ |
Modified http-transport.scm from [285317a3d3] to [85b3cef6fd].
| ︙ | ︙ | |||
381 382 383 384 385 386 387 |
(last-access 0)
(server-timeout (server:get-timeout))
(server-going #f))
(let loop ((count 0)
(server-state 'available)
(bad-sync-count 0)
(start-time (current-milliseconds)))
| | > > > | > | | 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 |
(last-access 0)
(server-timeout (server:get-timeout))
(server-going #f))
(let loop ((count 0)
(server-state 'available)
(bad-sync-count 0)
(start-time (current-milliseconds)))
;;(BB> "http-transport: top of loop; count="count" server-state="server-state" bad-sync-count="bad-sync-count" server-going="server-going)
;; Use this opportunity to sync the tmp db to megatest.db
(if (not server-going) ;; *dbstruct-db*
;; Removed code is pasted below (keeping it around until we are clear it is not needed).
;; no *dbstruct-db* yet, set running after our first pass through and start the db
(if (eq? server-state 'available)
(let ((new-server-id (tasks:server-am-i-the-server? (db:delay-if-busy tdbdat) run-id))) ;; try to ensure no double registering of servers
(if (equal? new-server-id server-id)
(begin
(tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "dbprep")
;;(BB> "http-transport: ->dbprep")
(thread-sleep! 0.5) ;; give some margin for queries to complete before switching from file based access to server based access
(set! *dbstruct-db* (db:setup)) ;; run-id))
(set! server-going #t)
(tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "running")
;;(BB> "http-transport: ->running")
(server:write-dotserver *toppath* (conc iface ":" port))
(thread-start! *watchdog*)
(server:complete-attempt *toppath*))
(begin ;; gotta exit nicely
;;(BB> "http-transport: ->collision")
(tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "collision")
(http-transport:server-shutdown server-id port))))))
;; when things go wrong we don't want to be doing the various queries too often
;; so we strive to run this stuff only every four seconds or so.
(let* ((sync-time (- (current-milliseconds) start-time))
(rem-time (quotient (- 4000 sync-time) 1000)))
(if (and (<= rem-time 4)
(> rem-time 0))
(thread-sleep! rem-time)))
|
| ︙ | ︙ | |||
484 485 486 487 488 489 490 491 492 493 494 495 496 497 |
;; (if (and (<= rem-time 4)
;; (> rem-time 0))
;; (thread-sleep! rem-time)
;; (thread-sleep! 4))) ;; fallback for if the math is changed ...
(define (http-transport:server-shutdown server-id port)
(let ((tdbdat (tasks:open-db)))
(debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
;;
;; start_shutdown
;;
(tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
(set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
(portlogger:open-run-close portlogger:set-port port "released")
| > | 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 |
;; (if (and (<= rem-time 4)
;; (> rem-time 0))
;; (thread-sleep! rem-time)
;; (thread-sleep! 4))) ;; fallback for if the math is changed ...
(define (http-transport:server-shutdown server-id port)
(let ((tdbdat (tasks:open-db)))
;;(BB> "http-transport:server-shutdown called")
(debug:print-info 0 *default-log-port* "Starting to shutdown the server. pid="(current-process-id))
;;
;; start_shutdown
;;
(tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
(set! *time-to-exit* #t) ;; tell on-exit to be fast as we've already cleaned up
(portlogger:open-run-close portlogger:set-port port "released")
|
| ︙ | ︙ | |||
511 512 513 514 515 516 517 518 519 520 521 522 523 524 |
(/ *total-non-write-delay*
*number-non-write-queries*))
" ms")
(debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
(tasks:server-delete-record (db:delay-if-busy tdbdat) server-id " http-transport:keep-running complete")
;; if the .server file contained :myport then we can remove it
(server:remove-dotserver-file *toppath* port)
(exit)))
;; all routes though here end in exit ...
;;
;; start_server?
;;
(define (http-transport:launch run-id)
| > < | < < | | | 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 |
(/ *total-non-write-delay*
*number-non-write-queries*))
" ms")
(debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
(tasks:server-delete-record (db:delay-if-busy tdbdat) server-id " http-transport:keep-running complete")
;; if the .server file contained :myport then we can remove it
(server:remove-dotserver-file *toppath* port)
;;(BB> "http-transport:server-shutdown -> exit")
(exit)))
;; all routes though here end in exit ...
;;
;; start_server?
;;
(define (http-transport:launch run-id)
(server:attempting-start *toppath*)
(let* ((tdbdat (tasks:open-db)))
(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 (and (server:read-dotserver *toppath*)
(server:check-if-running run-id))
(begin
(debug:print 0 *default-log-port* "INFO: Server for run-id " run-id " already running")
(exit 0))
(begin ;; ok, no server detected, clean out any lingering records
(tasks:server-force-clean-running-records-for-run-id (db:delay-if-busy tdbdat) run-id "notresponding")))
(let loop ((server-id (tasks:server-lock-slot (db:delay-if-busy tdbdat) run-id))
(remtries 4))
(if (not server-id)
(if (> remtries 0)
(begin
(thread-sleep! 2)
(loop (tasks:server-lock-slot (db:delay-if-busy tdbdat) 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 *default-log-port* "INFO: server pid=" (current-process-id) ", hostname=" (get-host-name) " not starting due to other candidates ahead in start queue")
(tasks:server-delete-records-for-this-pid (db:delay-if-busy tdbdat) " http-transport:launch")
(server:complete-attempt *toppath*)
))
(let* ((th2 (make-thread (lambda ()
(debug:print-info 0 *default-log-port* "Server run thread started")
(http-transport:run
(if (args:get-arg "-server")
(args:get-arg "-server")
"-")
|
| ︙ | ︙ |
Modified megatest.scm from [db4e22b0be] to [ba3fdf979e].
| ︙ | ︙ | |||
347 348 349 350 351 352 353 | (let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target")))) (if targ (setenv "MT_TARGET" targ))) ;; The watchdog is to keep an eye on things like db sync etc. ;; (define *watchdog* (make-thread common:watchdog "Watchdog thread")) | > | | > | 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 |
(let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target"))))
(if targ (setenv "MT_TARGET" targ)))
;; The watchdog is to keep an eye on things like db sync etc.
;;
(define *watchdog* (make-thread common:watchdog "Watchdog thread"))
(if (not (args:get-arg "-server"))
(thread-start! *watchdog*)) ;; if starting a server; wait till we get to running state before kicking off watchdog
;;(BB> "thread-start! watchdog")
(if (args:get-arg "-log")
(let ((oup (open-output-file (args:get-arg "-log"))))
(debug:print-info 0 *default-log-port* "Sending log output to " (args:get-arg "-log"))
(set! *default-log-port* oup)))
(if (or (args:get-arg "-h")
(args:get-arg "-help")
|
| ︙ | ︙ | |||
1988 1989 1990 1991 1992 1993 1994 |
;;======================================================================
;; Exit and clean up
;;======================================================================
(if (not *didsomething*)
(debug:print 0 *default-log-port* help))
| | > > > > > > | > | 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 |
;;======================================================================
;; Exit and clean up
;;======================================================================
(if (not *didsomething*)
(debug:print 0 *default-log-port* help))
;;(BB> "thread-join! watchdog")
;; join the watchdog thread if it has been thread-start!ed (it may not have been started in the case of a server that never enters running state)
;; (symbols returned by thread-state: created ready running blocked suspended sleeping terminated dead)
(if (thread? *watchdog*)
(case (thread-state *watchdog*)
((ready running blocked sleeping terminated dead)
(thread-join! *watchdog*))))
(set! *time-to-exit* #t)
(if (not (eq? *globalexitstatus* 0))
(if (or (args:get-arg "-run")(args:get-arg "-runtests")(args:get-arg "-runall"))
(begin
(debug:print 0 *default-log-port* "NOTE: Subprocesses with non-zero exit code detected: " *globalexitstatus*)
(exit 0))
(case *globalexitstatus*
((0)(exit 0))
((1)(exit 1))
((2)(exit 2))
(else (exit 3)))))
|
Modified server.scm from [c0f30a061c] to [24b58ed32b].
| ︙ | ︙ | |||
45 46 47 48 49 50 51 | ;; ;; all routes though here end in exit ... ;; ;; start_server ;; (define (server:launch run-id transport-type) | | > > > > > > > > > > > > | 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 |
;;
;; all routes though here end in exit ...
;;
;; start_server
;;
(define (server:launch run-id transport-type)
;;(BB> "server:launch fired for run-id="run-id" transport-type="transport-type)
(let ((attempt-in-progress (server:start-attempted? *toppath*)))
(when attempt-in-progress
(debug:print-info 0 *default-log-port* "Server start attempt in progress in other process (=> "attempt-in-progress"<=). Aborting server launch attempt in this process ("(current-process-id)")")
(exit)))
(let ((dotserver-url (server:check-if-running *toppath*)))
(when dotserver-url
(debug:print-info 0 *default-log-port* "Server already running (=> "dotserver-url"<=). Aborting server launch attempt in this process ("(current-process-id)")")
(exit)
))
(case transport-type
((http)(http-transport:launch run-id))
;;((nmsg)(nmsg-transport:launch run-id))
((rpc) (rpc-transport:launch run-id))
(else (debug:print-error 0 *default-log-port* "unknown server type " transport-type))))
;; (else (debug:print-error 0 *default-log-port* "No known transport set, transport=" transport ", using rpc")
;; (rpc-transport:launch run-id)))))
|
| ︙ | ︙ | |||
103 104 105 106 107 108 109 110 111 112 113 114 | ;; Given a run id start a server process ### NOTE ### > file 2>&1 ;; if the run-id is zero and the target-host is set ;; try running on that host ;; incidental: rotate logs in logs/ dir. ;; (define (server:run areapath) ;; areapath is ignored for now. (let* ((curr-host (get-host-name)) (curr-ip (server:get-best-guess-address curr-host)) (curr-pid (current-process-id)) (homehost (common:get-homehost)) ;; configf:lookup *configdat* "server" "homehost" )) (target-host (car homehost)) (testsuite (common:get-testsuite-name)) | > > | | > > > > > > | | | | | | | | | | | | | | | | | | | | | | > > > > > > > > > > | | | | > > > > > | 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 |
;; Given a run id start a server process ### NOTE ### > file 2>&1
;; if the run-id is zero and the target-host is set
;; try running on that host
;; incidental: rotate logs in logs/ dir.
;;
(define (server:run areapath) ;; areapath is ignored for now.
(let* ((curr-host (get-host-name))
(attempt-in-progress (server:start-attempted? areapath))
(dot-server-url (server:check-if-running areapath))
(curr-ip (server:get-best-guess-address curr-host))
(curr-pid (current-process-id))
(homehost (common:get-homehost)) ;; configf:lookup *configdat* "server" "homehost" ))
(target-host (car homehost))
(testsuite (common:get-testsuite-name))
(logfile (conc areapath "/logs/server.log"))
(cmdln (conc (common:get-megatest-exe)
" -server " (or target-host "-") " -run-id " 0 (if (equal? (configf:lookup *configdat* "server" "daemonize") "yes")
(conc " -daemonize -log " logfile)
"")
" -m testsuite:" testsuite)) ;; (conc " >> " logfile " 2>&1 &")))))
(log-rotate (make-thread common:rotate-logs "server run, rotate logs thread")))
;; we want the remote server to start in *toppath* so push there
(push-directory areapath)
(cond
(attempt-in-progress
(debug:print 0 *default-log-port* "INFO: Not trying to start server because attempt is in progress: "attempt-in-progress))
(dot-server-url
(debug:print 0 *default-log-port* "INFO: Not trying to start server because one is already running : "dot-server-url))
(else
(debug:print 0 *default-log-port* "INFO: Trying to start server (" cmdln ") ...")
(thread-start! log-rotate)
;; host.domain.tld match host?
(if (and target-host
;; look at target host, is it host.domain.tld or ip address and does it
;; match current ip or hostname
(not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
(not (equal? curr-ip target-host)))
(begin
(debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
(setenv "TARGETHOST" target-host)))
(setenv "TARGETHOST_LOGF" logfile)
(common:wait-for-normalized-load 4 " delaying server start due to load" remote-host: (get-environment-variable "TARGETHOST")) ;; do not try starting servers on an already overloaded machine, just wait forever
(system (conc "nbfake " cmdln))
(unsetenv "TARGETHOST_LOGF")
(if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
(thread-join! log-rotate)
(pop-directory)))))
(define (server:get-client-signature) ;; BB> why is this proc named "get-"? it returns nothing -- set! has not return value.
(if *my-client-signature* *my-client-signature*
(let ((sig (server:mk-signature)))
(set! *my-client-signature* sig)
*my-client-signature*)))
;; kind start up of servers, wait 40 seconds before allowing another server for a given
;; run-id to be launched
(define (server:kind-run areapath)
(let ((last-run-time (hash-table-ref/default *server-kind-run* areapath #f)))
(if (or (not last-run-time)
(> (- (current-seconds) last-run-time) 30))
(begin
(server:run areapath)
(hash-table-set! *server-kind-run* areapath (current-seconds))))))
;; The generic run a server command. Dispatches the call to server 0 if run-id != 0
;;
;; (define (server:try-running run-id)
;; (if (eq? run-id 0)
;; (server:run run-id)
;; (rmt:start-server run-id)))
(define server:try-running server:run) ;; there is no more per-run servers ;; REMOVE ME. BUG.
(define (server:attempting-start areapath)
(with-output-to-file
(conc areapath "/.starting-server")
(lambda ()
(print (current-process-id) " on " (get-host-name)))))
(define (server:complete-attempt areapath)
(delete-file* (conc areapath "/.starting-server")))
(define (server:start-attempted? areapath)
(let ((flagfile (conc areapath "/.starting-server")))
(handle-exceptions
exn
#f ;; if things go wrong pretend we can't see the file
(cond
((and (file-exists? flagfile)
(< (- (current-seconds)
(file-modification-time flagfile))
15)) ;; exists and less than 15 seconds old
(with-input-from-file flagfile (lambda () (read-line))))
((file-exists? flagfile) ;; it is stale.
(server:complete-attempt areapath)
#f)
(else #f)))))
(define (server:read-dotserver areapath)
(let ((dotfile (conc areapath "/.server")))
(handle-exceptions
exn
#f ;; if things go wrong pretend we can't see the file
(if (and (file-exists? dotfile)
|
| ︙ | ︙ | |||
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(if dotserver
(let* ((res (case *transport-type*
((http)(server:ping-server dotserver))
;; ((nmsg)(nmsg-transport:ping (tasks:hostinfo-get-interface server)
)))
(if res
dotserver
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(if dotserver
(let* ((res (case *transport-type*
((http)(server:ping-server dotserver))
;; ((nmsg)(nmsg-transport:ping (tasks:hostinfo-get-interface server)
)))
(if res
dotserver
(begin
(server:remove-dotserver-file areapath ".*") ;; remove stale dotserver
#f)))
#f)))
;; 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.
;;
|
| ︙ | ︙ |