;;======================================================================
;; Copyright 2006-2017, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================
(use format typed-records) ;; RADT => purpose of json format??
(declare (unit rmt))
(declare (uses api))
(declare (uses http-transport))
(include "common_records.scm")
;; (declare (uses rmtmod))
;; (import rmtmod)
;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;
;; generate entries for ~/.megatestrc with the following
;;
;; grep define ../rmt.scm | grep rmt: |perl -pi -e 's/\(define\s+\((\S+)\W.*$/\1/'|sort -u
;;======================================================================
;; S U P P O R T F U N C T I O N S
;;======================================================================
;; if a server is either running or in the process of starting call client:setup
;; else return #f to let the calling proc know that there is no server available
;;
(define (rmt:get-connection-info areapath #!key (area-dat #f)) ;; TODO: push areapath down.
(let* ((runremote (or area-dat *runremote*))
(cinfo (if (remote? runremote)
(remote-conndat runremote)
#f)))
(if cinfo
cinfo
(if (server:check-if-running areapath)
(client:setup areapath)
#f))))
;;======================================================================
(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id
(define *rmt-query-last-call-time* 0)
(define *rmt-query-last-rest-time* 0) ;; last time there was at least a 1/2 second rest - giving other processes access to the db
;; NOTE: This query rest algorythm will not adapt to long query times. REDESIGN NEEDED. TODO. FIXME.
;;
(define (rmt:query-rest cmd rid params)
(let* ((now (current-milliseconds)))
(cond
((> (- now *rmt-query-last-call-time*) 100) ;; it's been a while since last query - no need to rest
(set! *rmt-query-last-rest-time* now)
(set! *rmt-query-last-call-time* now))
((> (- now *rmt-query-last-rest-time*) 5000) ;; no natural rests have happened
(debug:print 0 *default-log-port* "query rest needed. blocking for 0.1 second. cmd="cmd", run id="rid", params="params)
(thread-sleep! 0.1) ;; force a rest of a half second
(set! *rmt-query-last-rest-time* now)
(set! *rmt-query-last-call-time* now))
(else ;; sufficient rests have occurred, just record the last query time
(set! *rmt-query-last-call-time* now)))))
;; RA => e.g. usage (rmt:send-receive 'get-var #f (list varname))
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
#;(common:telemetry-log (conc "rmt:"(->string cmd))
payload: `((rid . ,rid)
(params . ,params)))
(if (not (equal? (configf:lookup *configdat* "setup" "query-rest") "no"))
(rmt:query-rest cmd rid params))
(if (> attemptnum 2)
(debug:print 0 *default-log-port* "INFO: attemptnum in rmt:send-receive is " attemptnum))
(cond
((> attemptnum 2) (thread-sleep! 0.05))
((> attemptnum 10) (thread-sleep! 0.5))
((> attemptnum 20) (thread-sleep! 1)))
(if (and (> attemptnum 5) (= 0 (modulo attemptnum 15)))
(begin (server:run *toppath*) (thread-sleep! 3)))
;;DOT digraph megatest_state_status {
;;DOT ranksep=0;
;;DOT // rankdir=LR;
;;DOT node [shape="box"];
;;DOT "rmt:send-receive" -> MUTEXLOCK;
;;DOT { edge [style=invis];"case 1" -> "case 2" -> "case 3" -> "case 4" -> "case 5" -> "case 6" -> "case 7" -> "case 8" -> "case 9" -> "case 10" -> "case 11"; }
;; do all the prep locked under the rmt-mutex
(mutex-lock! *rmt-mutex*)
;; 1. check if server is started IFF cmd is a write OR if we are not on the homehost, store in runremote
;; 2. check the age of the connections. refresh the connection if it is older than timeout-20 seconds.
;; 3. do the query, if on homehost use local access
;;
(let* ((start-time (current-seconds)) ;; snapshot time so all use cases get same value
(areapath *toppath*);; TODO - resolve from dbstruct to be compatible with multiple areas
(runremote (or area-dat
*runremote*))
(attemptnum (+ 1 attemptnum))
(readonly-mode (rmtmod:calc-ro-mode runremote *toppath*)))
;; DOT INIT_RUNREMOTE; // leaving off - doesn't really add to the clarity
;; DOT MUTEXLOCK -> INIT_RUNREMOTE [label="no remote?"];
;; DOT INIT_RUNREMOTE -> MUTEXLOCK;
;; ensure we have a record for our connection for given area
(if (not runremote) ;; can remove this one. should never get here.
(begin
(set! *runremote* (make-remote))
(let* ((server-info (remote-server-info *runremote*)))
(if server-info
(begin
(remote-server-url-set! *runremote* (server:record->url server-info))
(remote-server-id-set! *runremote* (server:record->id server-info)))))
(set! runremote *runremote*))) ;; new runremote will come from this on next iteration
;; DOT SET_HOMEHOST; // leaving off - doesn't really add to the clarity
;; DOT MUTEXLOCK -> SET_HOMEHOST [label="no homehost?"];
;; DOT SET_HOMEHOST -> MUTEXLOCK;
;; ensure we have a homehost record
(if (not (pair? (remote-hh-dat runremote))) ;; not on homehost
(thread-sleep! 0.1) ;; since we shouldn't get here, delay a little
(remote-hh-dat-set! runremote (common:get-homehost)))
;;(print "BB> readonly-mode is "readonly-mode" dbfile is "dbfile)
(cond
;;DOT EXIT;
;;DOT MUTEXLOCK -> EXIT [label="> 15 attempts"]; {rank=same "case 1" "EXIT" }
;; give up if more than 150 attempts
((> attemptnum 150)
(debug:print 0 *default-log-port* "ERROR: 150 tries to start/connect to server. Giving up.")
(exit 1))
;;DOT CASE2 [label="local\nreadonly\nquery"];
;;DOT MUTEXLOCK -> CASE2; {rank=same "case 2" CASE2}
;;DOT CASE2 -> "rmt:open-qry-close-locally";
;; readonly mode, read request- handle it - case 2
((and readonly-mode
(member cmd api:read-only-queries))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 2")
(rmt:open-qry-close-locally cmd 0 params)
)
;;DOT CASE3 [label="write in\nread-only mode"];
;;DOT MUTEXLOCK -> CASE3 [label="readonly\nmode?"]; {rank=same "case 3" CASE3}
;;DOT CASE3 -> "#f";
;; readonly mode, write request. Do nothing, return #f
(readonly-mode (extras-readonly-mode *rmt-mutex* *default-log-port* cmd params))
;; This block was for pre-emptively resetting the connection if there had been no communication for some time.
;; I don't think it adds any value. If the server is not there, just fail and start a new connection.
;; also, the expire-time calculation might not be correct. We want, time-since-last-server-access > (server:get-timeout)
;;
;;DOT CASE4 [label="reset\nconnection"];
;;DOT MUTEXLOCK -> CASE4 [label="have connection,\nlast_access > expire_time"]; {rank=same "case 4" CASE4}
;;DOT CASE4 -> "rmt:send-receive";
;; reset the connection if it has been unused too long
((and runremote
(remote-conndat runremote)
(> (current-seconds) ;; if it has been more than server-timeout seconds since last contact, close this connection and start a new on
(+ (http-transport:server-dat-get-last-access (remote-conndat runremote))
(remote-server-timeout runremote))))
(debug:print-info 0 *default-log-port* "Connection to " (remote-server-url runremote) " expired due to no accesses, forcing new connection.")
(http-transport:close-connections area-dat: runremote)
(remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
(mutex-unlock! *rmt-mutex*)
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;;DOT CASE5 [label="local\nread"];
;;DOT MUTEXLOCK -> CASE5 [label="server not required,\non homehost,\nread-only query"]; {rank=same "case 5" CASE5};
;;DOT CASE5 -> "rmt:open-qry-close-locally";
;; on homehost and this is a read
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; on homehost
(member cmd api:read-only-queries)) ;; this is a read
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 5")
(rmt:open-qry-close-locally cmd 0 params))
;;DOT CASE6 [label="init\nremote"];
;;DOT MUTEXLOCK -> CASE6 [label="on homehost,\nwrite query,\nhave server,\ncan't reach it"]; {rank=same "case 6" CASE6};
;;DOT CASE6 -> "rmt:send-receive";
;; on homehost and this is a write, we already have a server, but server has died
((and (cdr (remote-hh-dat runremote)) ;; on homehost
(not (member cmd api:read-only-queries)) ;; this is a write
(remote-server-url runremote) ;; have a server
(not (server:ping (remote-server-url runremote) (remote-server-id runremote)))) ;; server has died. NOTE: this is not a cheap call! Need better approach.
(set! *runremote* (make-remote))
(let* ((server-info (remote-server-info *runremote*)))
(if server-info
(begin
(remote-server-url-set! *runremote* (server:record->url server-info))
(remote-server-id-set! *runremote* (server:record->id server-info)))))
(remote-force-server-set! runremote (common:force-server?))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 6")
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;;DOT CASE7 [label="homehost\nwrite"];
;;DOT MUTEXLOCK -> CASE7 [label="server not required,\non homehost,\na write,\nhave a server"]; {rank=same "case 7" CASE7};
;;DOT CASE7 -> "rmt:open-qry-close-locally";
;; on homehost and this is a write, we already have a server
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; on homehost
(not (member cmd api:read-only-queries)) ;; this is a write
(remote-server-url runremote)) ;; have a server
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 4.1")
(rmt:open-qry-close-locally cmd 0 params))
;;DOT CASE8 [label="force\nserver"];
;;DOT MUTEXLOCK -> CASE8 [label="server not required,\nhave homehost info,\nno connection yet,\nnot a read-only query"]; {rank=same "case 8" CASE8};
;;DOT CASE8 -> "rmt:open-qry-close-locally";
;; on homehost, no server contact made and this is a write, passively start a server
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; have homehost
(not (remote-server-url runremote)) ;; no connection yet
(not (member cmd api:read-only-queries))) ;; not a read-only query
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 8")
(let ((server-info (server:check-if-running *toppath*))) ;; (server:read-dotserver->url *toppath*))) ;; (server:check-if-running *toppath*))) ;; Do NOT want to run server:check-if-running - very expensive to do for every write call
(if server-info
(begin
(remote-server-url-set! runremote (server:record->url server-info)) ;; the string can be consumed by the client setup if needed
(remote-server-id-set! runremote (server:record->id server-info)))
(if (common:force-server?)
(server:start-and-wait *toppath*)
(server:kind-run *toppath*)))
(remote-force-server-set! runremote (common:force-server?))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 8.1")
(rmt:open-qry-close-locally cmd 0 params)))
;;DOT CASE9 [label="force server\nnot on homehost"];
;;DOT MUTEXLOCK -> CASE9 [label="no connection\nand either require server\nor not on homehost"]; {rank=same "case 9" CASE9};
;;DOT CASE9 -> "start\nserver" -> "rmt:send-receive";
((or (and (remote-force-server runremote) ;; we are forcing a server and don't yet have a connection to one
(not (remote-conndat runremote)))
(and (not (cdr (remote-hh-dat runremote))) ;; not on a homehost
(not (remote-conndat runremote)))) ;; and no connection
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9, hh-dat: " (remote-hh-dat runremote) " conndat: " (remote-conndat runremote))
(mutex-unlock! *rmt-mutex*)
(if (not (server:check-if-running *toppath*)) ;; who knows, maybe one has started up?
(server:start-and-wait *toppath*))
(remote-conndat-set! runremote (rmt:get-connection-info *toppath*)) ;; calls client:setup which calls client:setup-http
(rmt:send-receive cmd rid params attemptnum: attemptnum)) ;; TODO: add back-off timeout as
;;DOT CASE10 [label="on homehost"];
;;DOT MUTEXLOCK -> CASE10 [label="server not required,\non homehost"]; {rank=same "case 10" CASE10};
;;DOT CASE10 -> "rmt:open-qry-close-locally";
;; all set up if get this far, dispatch the query
((and (not (remote-force-server runremote))
(cdr (remote-hh-dat runremote))) ;; we are on homehost
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 10")
(rmt:open-qry-close-locally cmd (if rid rid 0) params))
;;DOT CASE11 [label="send_receive"];
;;DOT MUTEXLOCK -> CASE11 [label="else"]; {rank=same "case 11" CASE11};
;;DOT CASE11 -> "rmt:send-receive" [label="call failed"];
;;DOT CASE11 -> "RESULT" [label="call succeeded"];
;; not on homehost, do server query
(else (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)))))
;;DOT }
;; bunch of small functions factored out of send-receive to make debug easier
;;
(define (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)
;; (mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9")
;; (mutex-lock! *rmt-mutex*)
(let* ((conninfo (remote-conndat runremote))
(dat-in (case (remote-transport runremote)
((http) (condition-case ;; handling here has
;; caused a lot of
;; problems. However it
;; is needed to deal with
;; attemtped
;; communication to
;; servers that have gone
;; away
(http-transport:client-api-send-receive 0 conninfo cmd params)
((servermismatch) (vector #f "Server id mismatch" ))
((commfail)(vector #f "communications fail"))
((exn)(vector #f "other fail" (print-call-chain)))))
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport runremote) " not supported")
(exit))))
;; No Title
;; Error: (vector-ref) out of range
;; #(#<condition: (exn type)> (#("db.scm:3740: regex#regexp" #f #f) #("db.scm:3739: regex#string-substitute" #f #f) #("db.scm:3738: base64#base64-decode" #f #f) #("db.scm:3737: z3#z3:decode-buffer" #f #f) #("db.scm:3736: with-input-from-string" #f #f) #("db.scm:3741: s11n#deserialize" #f #f) #("api.scm:374: api:execute-requests" #f #f) #("api.scm:139: call-with-current-continuation" #f #f) #("api.scm:139: with-exception-handler" #f #f) #("api.scm:139: ##sys#call-with-values" #f #f) #("api.scm:158: string->symbol" #f #f) #("api.scm:160: current-milliseconds" #f #f) #("api.scm:161: dbr:dbstruct-read-only" #f #f) #("api.scm:139: k15" #f #f) #("api.scm:139: g19" #f #f) #("api.scm:142: get-call-chain" #f #f)) #("get-test-info-by-id" (1102 507299)))
;; 6
;;
;; Call history:
;;
;; http-transport.scm:306: thread-terminate!
;; http-transport.scm:307: debug:print-info
;; common_records.scm:235: debug:debug-mode
;; rmt.scm:259: k587
;; rmt.scm:259: g591
;; rmt.scm:276: http-transport:server-dat-update-last-access
;; http-transport.scm:364: current-seconds
;; rmt.scm:282: debug:print-info
;; common_records.scm:235: debug:debug-mode
;; rmt.scm:283: mutex-unlock!
;; rmt.scm:287: extras-transport-succeded <--
;; +-----------------------------------------------------------------------------+
;; | Exit Status : 70
;;
(dat (if (and (vector? dat-in) ;; ... check it is a correct size
(> (vector-length dat-in) 1))
dat-in
(vector #f (conc "communications fail (type 2), dat-in=" dat-in))))
(success (if (vector? dat) (vector-ref dat 0) #f))
(res (if (vector? dat) (vector-ref dat 1) #f)))
(if (and (vector? conninfo) (< 5 (vector-length conninfo)))
(http-transport:server-dat-update-last-access conninfo) ;; refresh access time
(begin
(debug:print 0 *default-log-port* "INFO: Should not get here! conninfo=" conninfo)
(set! conninfo #f)
(remote-conndat-set! *runremote* #f) ;; NOTE: *runremote* is global copy of runremote. Purpose: factor out global.
(http-transport:close-connections area-dat: runremote)))
(debug:print-info 13 *default-log-port* "rmt:send-receive, case 9. conninfo=" conninfo " dat=" dat " runremote = " runremote)
(mutex-unlock! *rmt-mutex*)
(if success ;; success only tells us that the transport was
;; successful, have to examine the data to see if
;; there was a detected issue at the other end
(extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
(begin
(debug:print-error 0 *default-log-port* " dat=" dat)
(extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params))
)))
(define (rmt:print-db-stats)
(let ((fmtstr "~40a~7-d~9-d~20,2-f")) ;; "~20,2-f"
(debug:print 18 *default-log-port* "DB Stats\n========")
(debug:print 18 *default-log-port* (format #f "~40a~8a~10a~10a" "Cmd" "Count" "TotTime" "Avg"))
(for-each (lambda (cmd)
(let ((cmd-dat (hash-table-ref *db-stats* cmd)))
(debug:print 18 *default-log-port* (format #f fmtstr cmd (vector-ref cmd-dat 0) (vector-ref cmd-dat 1) (/ (vector-ref cmd-dat 1)(vector-ref cmd-dat 0))))))
(sort (hash-table-keys *db-stats*)
(lambda (a b)
(> (vector-ref (hash-table-ref *db-stats* a) 0)
(vector-ref (hash-table-ref *db-stats* b) 0)))))))
(define (rmt:get-max-query-average run-id)
(mutex-lock! *db-stats-mutex*)
(let* ((runkey (conc "run-id=" run-id " "))
(cmds (filter (lambda (x)
(substring-index runkey x))
(hash-table-keys *db-stats*)))
(res (if (null? cmds)
(cons 'none 0)
(let loop ((cmd (car cmds))
(tal (cdr cmds))
(max-cmd (car cmds))
(res 0))
(let* ((cmd-dat (hash-table-ref *db-stats* cmd))
(tot (vector-ref cmd-dat 0))
(curravg (/ (vector-ref cmd-dat 1) (vector-ref cmd-dat 0))) ;; count is never zero by construction
(currmax (max res curravg))
(newmax-cmd (if (> curravg res) cmd max-cmd)))
(if (null? tal)
(if (> tot 10)
(cons newmax-cmd currmax)
(cons 'none 0))
(loop (car tal)(cdr tal) newmax-cmd currmax)))))))
(mutex-unlock! *db-stats-mutex*)
res))
(define (rmt:open-qry-close-locally cmd run-id params #!key (remretries 5))
(let* ((qry-is-write (not (member cmd api:read-only-queries)))
(db-file-path (db:dbfile-path)) ;; 0))
(dbstruct-local (db:setup #t)) ;; make-dbr:dbstruct path: dbdir local: #t)))
(read-only (not (file-write-access? db-file-path)))
(start (current-milliseconds))
(resdat (if (not (and read-only qry-is-write))
(let ((v (api:execute-requests dbstruct-local (vector (symbol->string cmd) params))))
(handle-exceptions ;; there has been a long history of receiving strange errors from values returned by the client when things go wrong..
exn ;; This is an attempt to detect that situation and recover gracefully
(begin
(debug:print 0 *default-log-port* "ERROR: bad data from server " v " message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
(vector #t '())) ;; should always get a vector but if something goes wrong return a dummy
(if (and (vector? v)
(> (vector-length v) 1))
(let ((newvec (vector (vector-ref v 0)(vector-ref v 1))))
newvec) ;; by copying the vector while inside the error handler we should force the detection of a corrupted record
(vector #t '())))) ;; we could also check that the returned types are valid
(vector #t '())))
(success (common:safe-vector-ref resdat 0 #f)) ;; (vector-ref resdat 0))
(res (common:safe-vector-ref resdat 1 #f)) ;; (vector-ref resdat 1))
(duration (- (current-milliseconds) start)))
(if (and read-only qry-is-write)
(debug:print 0 *default-log-port* "ERROR: attempt to write to read-only database ignored. cmd=" cmd))
(if (not success)
(if (> remretries 0)
(begin
(debug:print-error 0 *default-log-port* "local query failed. Trying again.")
(thread-sleep! (/ (random 5000) 1000)) ;; some random delay
(rmt:open-qry-close-locally cmd run-id params remretries: (- remretries 1)))
(begin
(debug:print-error 0 *default-log-port* "too many retries in rmt:open-qry-close-locally, giving up")
#f))
(begin
;; (rmt:update-db-stats run-id cmd params duration)
;; mark this run as dirty if this was a write, the watchdog is responsible for syncing it
(if qry-is-write
(let ((start-time (current-seconds)))
(mutex-lock! *db-multi-sync-mutex*)
(set! *db-last-access* start-time) ;; THIS IS PROBABLY USELESS? (we are on a client)
(mutex-unlock! *db-multi-sync-mutex*)))))
res))
(define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
(let* ((run-id (if run-id run-id 0))
(res (handle-exceptions
exn
(begin
(print "transport failed. exn=" exn)
#f)
(http-transport:client-api-send-receive run-id connection-info cmd params))))
(if (and res (vector-ref res 0))
(vector-ref res 1) ;;; YES!! THIS IS CORRECT!! CHANGE IT HERE, THEN CHANGE rmt:send-receive ALSO!!!
#f)))
;;======================================================================
;;
;; A C T U A L A P I C A L L S
;;
;;======================================================================
;;======================================================================
;; S E R V E R
;;======================================================================
(define (rmt:kill-server run-id)
(rmt:send-receive 'kill-server run-id (list run-id)))
(define (rmt:start-server run-id)
(rmt:send-receive 'start-server 0 (list run-id)))
;;======================================================================
;; M I S C
;;======================================================================
(define (rmt:login run-id)
(rmt:send-receive 'login run-id (list *toppath* megatest-version *my-client-signature*)))
;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info)
(case *transport-type* ;; run-id of 0 is just a placeholder
((http)(rmt:send-receive-no-auto-client-setup connection-info 'login 0 (list *toppath* megatest-version *my-client-signature*)))
;;((nmsg)(nmsg-transport:client-api-send-receive run-id connection-info 'login (list *toppath* megatest-version run-id *my-client-signature*)))
))
;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible
;;
(define (rmt:general-call stmtname run-id . params)
(rmt:send-receive 'general-call run-id (append (list stmtname run-id) params)))
;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
(rmt:send-receive 'get-latest-host-load 0 (list hostname)))
(define (rmt:sdb-qry qry val run-id)
;; add caching if qry is 'getid or 'getstr
(rmt:send-receive 'sdb-qry run-id (list qry val)))
;; NOT COMPLETED
(define (rmt:runtests user run-id testpatt params)
(rmt:send-receive 'runtests run-id testpatt))
(define (rmt:get-run-record-ids target run keynames test-patt)
(rmt:send-receive 'get-run-record-ids #f (list target run keynames test-patt)))
(define (rmt:get-changed-record-ids since-time)
(rmt:send-receive 'get-changed-record-ids #f (list since-time)) )
(define (rmt:drop-all-triggers)
(rmt:send-receive 'drop-all-triggers #f '()))
(define (rmt:create-all-triggers)
(rmt:send-receive 'create-all-triggers #f '()))
;;======================================================================
;; T E S T M E T A
;;======================================================================
(define (rmt:get-tests-tags)
(rmt:send-receive 'get-tests-tags #f '()))
;;======================================================================
;; K E Y S
;;======================================================================
;; These require run-id because the values come from the run!
;;
(define (rmt:get-key-val-pairs run-id)
(rmt:send-receive 'get-key-val-pairs run-id (list run-id)))
(define (rmt:get-keys)
(if *db-keys* *db-keys*
(let ((res (rmt:send-receive 'get-keys #f '())))
(set! *db-keys* res)
res)))
(define (rmt:get-keys-write) ;; dummy query to force server start
(let ((res (rmt:send-receive 'get-keys-write #f '())))
(set! *db-keys* res)
res))
;; we don't reuse run-id's (except possibly *after* a db cleanup) so it is safe
;; to cache the resuls in a hash
;;
(define (rmt:get-key-vals run-id)
(or (hash-table-ref/default *keyvals* run-id #f)
(let ((res (rmt:send-receive 'get-key-vals #f (list run-id))))
(hash-table-set! *keyvals* run-id res)
res)))
(define (rmt:get-targets)
(rmt:send-receive 'get-targets #f '()))
(define (rmt:get-target run-id)
(rmt:send-receive 'get-target run-id (list run-id)))
(define (rmt:get-run-times runpatt targetpatt)
(rmt:send-receive 'get-run-times #f (list runpatt targetpatt )))
;;======================================================================
;; T E S T S
;;======================================================================
;; Just some syntatic sugar
(define (rmt:register-test run-id test-name item-path)
(rmt:general-call 'register-test run-id run-id test-name item-path))
(define (rmt:get-test-id run-id testname item-path)
(rmt:send-receive 'get-test-id run-id (list run-id testname item-path)))
;; run-id is NOT used - but it will be!
;;
(define (rmt:get-test-info-by-id run-id test-id)
(if (number? test-id)
(let* ((testdat (rmt:send-receive 'get-test-info-by-id run-id (list run-id test-id)))
(trundir (vector-ref testdat 10))
(trundatf (conc trundir"/.mt_data/test-run.dat")))
;; now we can update a couple fields from the filesystem
(handle-exceptions
exn
(begin
(debug:print-info 0 *default-log-port* "Could not update testdat record from "trundatf", exn=" exn)
#f)
(if (and trundir
(file-exists? trundatf))
(let* ((duration (vector-ref testdat 12)) ;; (db:test-get-run_duration testdat))
(event-time (vector-ref testdat 5)) ;; (db:test-get-event_time testdat))
(last-touch (file-modification-time trundatf))
(new-duration (max duration (- last-touch event-time))))
(vector-set! testdat 12 new-duration))))
#;(db:test-set-run_duration! testdat (max duration (- last-touch event-time)))
testdat)
(begin
(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
(print-call-chain (current-error-port))
#f)))
(define (rmt:test-get-rundir-from-test-id run-id test-id)
(rmt:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))
(define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
(let* ((test-path (if (string? work-area)
work-area
(rmt:test-get-rundir-from-test-id run-id test-id))))
(debug:print 3 *default-log-port* "TEST PATH: " test-path)
(open-test-db test-path)))
;; WARNING: This currently bypasses the transaction wrapped writes system
(define (rmt:test-set-state-status-by-id run-id test-id newstate newstatus newcomment)
(rmt:send-receive 'test-set-state-status-by-id run-id (list run-id test-id newstate newstatus newcomment)))
(define (rmt:set-tests-state-status run-id testnames currstate currstatus newstate newstatus)
(rmt:send-receive 'set-tests-state-status run-id (list run-id testnames currstate currstatus newstate newstatus)))
(define (rmt:get-tests-for-run run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)
;; (if (number? run-id)
(rmt:send-receive 'get-tests-for-run run-id (list run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals last-update mode)))
;; (begin
;; (debug:print-error 0 *default-log-port* "rmt:get-tests-for-run called with bad run-id=" run-id)
;; (print-call-chain (current-error-port))
;; '())))
(define (rmt:get-tests-for-run-state-status run-id testpatt last-update)
(rmt:send-receive 'get-tests-for-run-state-status run-id (list run-id testpatt last-update)))
;; get stuff via synchash
(define (rmt:synchash-get run-id proc synckey keynum params)
(rmt:send-receive 'synchash-get run-id (list run-id proc synckey keynum params)))
(define (rmt:get-tests-for-run-mindata run-id testpatt states status not-in)
(rmt:send-receive 'get-tests-for-run-mindata run-id (list run-id testpatt states status not-in)))
;; IDEA: Threadify these - they spend a lot of time waiting ...
;;
(define (rmt:get-tests-for-runs-mindata run-ids testpatt states status not-in)
(let ((multi-run-mutex (make-mutex))
(run-id-list (if run-ids
run-ids
(rmt:get-all-run-ids)))
(result '()))
(if (null? run-id-list)
'()
(let loop ((hed (car run-id-list))
(tal (cdr run-id-list))
(threads '()))
(if (> (length threads) 5)
(loop hed tal (filter (lambda (th)(not (member (thread-state th) '(terminated dead)))) threads))
(let* ((newthread (make-thread
(lambda ()
(let ((res (rmt:send-receive 'get-tests-for-run-mindata hed (list hed testpatt states status not-in))))
(if (list? res)
(begin
(mutex-lock! multi-run-mutex)
(set! result (append result res))
(mutex-unlock! multi-run-mutex))
(debug:print-error 0 *default-log-port* "get-tests-for-run-mindata failed for run-id " hed ", testpatt " testpatt ", states " states ", status " status ", not-in " not-in))))
(conc "multi-run-thread for run-id " hed)))
(newthreads (cons newthread threads)))
(thread-start! newthread)
(thread-sleep! 0.05) ;; give that thread some time to start
(if (null? tal)
newthreads
(loop (car tal)(cdr tal) newthreads))))))
result))
;; ;; IDEA: Threadify these - they spend a lot of time waiting ...
;; ;;
;; (define (rmt:get-tests-for-runs-mindata run-ids testpatt states status not-in)
;; (let ((run-id-list (if run-ids
;; run-ids
;; (rmt:get-all-run-ids))))
;; (apply append (map (lambda (run-id)
;; (rmt:send-receive 'get-tests-for-run-mindata run-id (list run-ids testpatt states status not-in)))
;; run-id-list))))
(define (rmt:delete-test-records run-id test-id)
(rmt:send-receive 'delete-test-records run-id (list run-id test-id)))
(define (rmt:test-set-state-status run-id test-id state status msg)
(rmt:send-receive 'test-set-state-status run-id (list run-id test-id state status msg)))
(define (rmt:test-toplevel-num-items run-id test-name)
(rmt:send-receive 'test-toplevel-num-items run-id (list run-id test-name)))
;; (define (rmt:get-previous-test-run-record run-id test-name item-path)
;; (rmt:send-receive 'get-previous-test-run-record run-id (list run-id test-name item-path)))
(define (rmt:get-matching-previous-test-run-records run-id test-name item-path)
(rmt:send-receive 'get-matching-previous-test-run-records run-id (list run-id test-name item-path)))
(define (rmt:test-get-logfile-info run-id test-name)
(rmt:send-receive 'test-get-logfile-info run-id (list run-id test-name)))
(define (rmt:test-get-records-for-index-file run-id test-name)
(rmt:send-receive 'test-get-records-for-index-file run-id (list run-id test-name)))
(define (rmt:get-testinfo-state-status run-id test-id)
(rmt:send-receive 'get-testinfo-state-status run-id (list run-id test-id)))
(define (rmt:test-set-log! run-id test-id logf)
(if (string? logf)(rmt:general-call 'test-set-log run-id logf test-id)))
(define (rmt:test-set-top-process-pid run-id test-id pid)
(rmt:send-receive 'test-set-top-process-pid run-id (list run-id test-id pid)))
(define (rmt:test-get-top-process-pid run-id test-id)
(rmt:send-receive 'test-get-top-process-pid run-id (list run-id test-id)))
(define (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)
(rmt:send-receive 'get-run-ids-matching-target #f (list keynames target res runname testpatt statepatt statuspatt)))
;; NOTE: This will open and access ALL run databases.
;;
(define (rmt:test-get-paths-matching-keynames-target-new keynames target res testpatt statepatt statuspatt runname)
(let ((run-ids (rmt:get-run-ids-matching-target keynames target res runname testpatt statepatt statuspatt)))
(apply append
(map (lambda (run-id)
(rmt:send-receive 'test-get-paths-matching-keynames-target-new run-id (list run-id keynames target res testpatt statepatt statuspatt runname)))
run-ids))))
(define (rmt:get-prereqs-not-met run-id waitons ref-test-name ref-item-path #!key (mode '(normal))(itemmaps #f))
(rmt:send-receive 'get-prereqs-not-met run-id (list run-id waitons ref-test-name ref-item-path mode itemmaps)))
(define (rmt:get-count-tests-running-for-run-id run-id)
(if (number? run-id)
(rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id))
0))
(define (rmt:get-not-completed-cnt run-id)
(rmt:send-receive 'get-not-completed-cnt run-id (list run-id)))
;; Statistical queries
(define (rmt:get-count-tests-running run-id)
(rmt:send-receive 'get-count-tests-running run-id (list run-id)))
(define (rmt:get-count-tests-running-for-testname run-id testname)
(rmt:send-receive 'get-count-tests-running-for-testname run-id (list run-id testname)))
(define (rmt:get-count-tests-running-in-jobgroup run-id jobgroup)
(rmt:send-receive 'get-count-tests-running-in-jobgroup run-id (list run-id jobgroup)))
;; state and status are extra hints not usually used in the calculation
;;
(define (rmt:set-state-status-and-roll-up-items run-id test-name item-path state status comment)
(rmt:send-receive 'set-state-status-and-roll-up-items run-id (list run-id test-name item-path state status comment)))
(define (rmt:set-state-status-and-roll-up-run run-id state status)
(rmt:send-receive 'set-state-status-and-roll-up-run run-id (list run-id state status)))
(define (rmt:update-pass-fail-counts run-id test-name)
(rmt:general-call 'update-pass-fail-counts run-id test-name test-name test-name))
(define (rmt:top-test-set-per-pf-counts run-id test-name)
(rmt:send-receive 'top-test-set-per-pf-counts run-id (list run-id test-name)))
(define (rmt:get-raw-run-stats run-id)
(rmt:send-receive 'get-raw-run-stats run-id (list run-id)))
(define (rmt:get-test-times runname target)
(rmt:send-receive 'get-test-times #f (list runname target )))
;;======================================================================
;; R U N S
;;======================================================================
(define (rmt:get-run-info run-id)
(rmt:send-receive 'get-run-info run-id (list run-id)))
(define (rmt:get-num-runs runpatt)
(rmt:send-receive 'get-num-runs #f (list runpatt)))
(define (rmt:get-runs-cnt-by-patt runpatt targetpatt keys)
(rmt:send-receive 'get-runs-cnt-by-patt #f (list runpatt targetpatt keys)))
;; Use the special run-id == #f scenario here since there is no run yet
(define (rmt:register-run keyvals runname state status user contour)
(rmt:send-receive 'register-run #f (list keyvals runname state status user contour)))
(define (rmt:get-run-name-from-id run-id)
(rmt:send-receive 'get-run-name-from-id run-id (list run-id)))
(define (rmt:delete-run run-id)
(rmt:send-receive 'delete-run run-id (list run-id)))
(define (rmt:update-run-stats run-id stats)
(rmt:send-receive 'update-run-stats #f (list run-id stats)))
(define (rmt:delete-old-deleted-test-records)
(rmt:send-receive 'delete-old-deleted-test-records #f '()))
(define (rmt:get-runs runpatt count offset keypatts)
(rmt:send-receive 'get-runs #f (list runpatt count offset keypatts)))
(define (rmt:simple-get-runs runpatt count offset target last-update)
(rmt:send-receive 'simple-get-runs #f (list runpatt count offset target last-update)))
(define (rmt:get-all-run-ids)
(rmt:send-receive 'get-all-run-ids #f '()))
(define (rmt:get-prev-run-ids run-id)
(rmt:send-receive 'get-prev-run-ids #f (list run-id)))
(define (rmt:lock/unlock-run run-id lock unlock user)
(rmt:send-receive 'lock/unlock-run #f (list run-id lock unlock user)))
;; set/get status
(define (rmt:get-run-status run-id)
(rmt:send-receive 'get-run-status #f (list run-id)))
(define (rmt:get-run-state run-id)
(rmt:send-receive 'get-run-state #f (list run-id)))
(define (rmt:set-run-status run-id run-status #!key (msg #f))
(rmt:send-receive 'set-run-status #f (list run-id run-status msg)))
(define (rmt:set-run-state-status run-id state status )
(rmt:send-receive 'set-run-state-status #f (list run-id state status)))
(define (rmt:update-tesdata-on-repilcate-db old-lt new-lt)
(rmt:send-receive 'update-tesdata-on-repilcate-db #f (list old-lt new-lt)))
(define (rmt:update-run-event_time run-id)
(rmt:send-receive 'update-run-event_time #f (list run-id)))
(define (rmt:get-runs-by-patt keys runnamepatt targpatt offset limit fields last-runs-update #!key (sort-order "asc")) ;; fields of #f uses default
(rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update sort-order)))
(define (rmt:find-and-mark-incomplete run-id ovr-deadtime)
;; (if (rmt:send-receive 'have-incompletes? run-id (list run-id ovr-deadtime))
(rmt:send-receive 'mark-incomplete run-id (list run-id ovr-deadtime))) ;; )
(define (rmt:get-main-run-stats run-id)
(rmt:send-receive 'get-main-run-stats #f (list run-id)))
(define (rmt:get-var varname)
(rmt:send-receive 'get-var #f (list varname)))
(define (rmt:del-var varname)
(rmt:send-receive 'del-var #f (list varname)))
(define (rmt:set-var varname value)
(rmt:send-receive 'set-var #f (list varname value)))
(define (rmt:inc-var varname)
(rmt:send-receive 'inc-var #f (list varname)))
(define (rmt:dec-var varname)
(rmt:send-receive 'dec-var #f (list varname)))
(define (rmt:add-var varname value)
(rmt:send-receive 'add-var #f (list varname value)))
;;======================================================================
;; M U L T I R U N Q U E R I E S
;;======================================================================
;; Need to move this to multi-run section and make associated changes
(define (rmt:find-and-mark-incomplete-all-runs #!key (ovr-deadtime #f))
(let ((run-ids (rmt:get-all-run-ids)))
(for-each (lambda (run-id)
(rmt:find-and-mark-incomplete run-id ovr-deadtime))
run-ids)))
;; get the previous record for when this test was run where all keys match but runname
;; returns #f if no such test found, returns a single test record if found
;;
;; Run this at the client end since we have to connect to multiple run-id dbs
;;
(define (rmt:get-previous-test-run-record run-id test-name item-path)
(let* ((keyvals (rmt:get-key-val-pairs run-id))
(keys (rmt:get-keys))
(selstr (string-intersperse keys ","))
(qrystr (string-intersperse (map (lambda (x)(conc x "=?")) keys) " AND ")))
(if (not keyvals)
#f
(let ((prev-run-ids (rmt:get-prev-run-ids run-id)))
;; for each run starting with the most recent look to see if there is a matching test
;; if found then return that matching test record
(debug:print 4 *default-log-port* "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals ", previous run ids found: " prev-run-ids)
(if (null? prev-run-ids) #f
(let loop ((hed (car prev-run-ids))
(tal (cdr prev-run-ids)))
(let ((results (rmt:get-tests-for-run hed (conc test-name "/" item-path) '() '() ;; run-id testpatt states statuses
#f #f #f ;; offset limit not-in hide/not-hide
#f #f #f #f 'normal))) ;; sort-by sort-order qryvals last-update mode
(debug:print 4 *default-log-port* "Got tests for run-id " run-id ", test-name " test-name ", item-path " item-path ": " results)
(if (and (null? results)
(not (null? tal)))
(loop (car tal)(cdr tal))
(if (null? results) #f
(car results))))))))))
(define (rmt:get-run-stats)
(rmt:send-receive 'get-run-stats #f '()))
;;======================================================================
;; S T E P S
;;======================================================================
;; Getting steps is more complicated.
;;
;; If given work area
;; 1. Find the testdat.db file
;; 2. Open the testdat.db file and do the query
;; If not given the work area
;; 1. Do a remote call to get the test path
;; 2. Continue as above
;;
;;(define (rmt:get-steps-for-test run-id test-id)
;; (rmt:send-receive 'get-steps-data run-id (list test-id)))
(define (rmt:teststep-set-status! run-id test-id teststep-name state-in status-in comment logfile)
(let* ((state (items:check-valid-items "state" state-in))
(status (items:check-valid-items "status" status-in)))
(if (or (not state)(not status))
(debug:print 3 *default-log-port* "WARNING: Invalid " (if status "status" "state")
" value \"" (if status state-in status-in) "\", update your validvalues section in megatest.config"))
(rmt:send-receive 'teststep-set-status! run-id (list run-id test-id teststep-name state-in status-in comment logfile))))
(define (rmt:delete-steps-for-test! run-id test-id)
(rmt:send-receive 'delete-steps-for-test! run-id (list run-id test-id)))
(define (rmt:get-steps-for-test run-id test-id)
(rmt:send-receive 'get-steps-for-test run-id (list run-id test-id)))
(define (rmt:get-steps-info-by-id test-step-id)
(rmt:send-receive 'get-steps-info-by-id #f (list test-step-id)))
;;======================================================================
;; T E S T D A T A
;;======================================================================
(define (rmt:read-test-data run-id test-id categorypatt #!key (work-area #f))
(rmt:send-receive 'read-test-data run-id (list run-id test-id categorypatt)))
(define (rmt:read-test-data-varpatt run-id test-id categorypatt varpatt #!key (work-area #f))
(rmt:send-receive 'read-test-data-varpatt run-id (list run-id test-id categorypatt varpatt)))
(define (rmt:get-data-info-by-id test-data-id)
(rmt:send-receive 'get-data-info-by-id #f (list test-data-id)))
(define (rmt:testmeta-add-record testname)
(rmt:send-receive 'testmeta-add-record #f (list testname)))
(define (rmt:testmeta-get-record testname)
(rmt:send-receive 'testmeta-get-record #f (list testname)))
(define (rmt:testmeta-update-field test-name fld val)
(rmt:send-receive 'testmeta-update-field #f (list test-name fld val)))
(define (rmt:test-data-rollup run-id test-id status)
(rmt:send-receive 'test-data-rollup run-id (list run-id test-id status)))
(define (rmt:csv->test-data run-id test-id csvdata)
(rmt:send-receive 'csv->test-data run-id (list run-id test-id csvdata)))
;;======================================================================
;; T A S K S
;;======================================================================
(define (rmt:tasks-find-task-queue-records target run-name test-patt state-patt action-patt)
(rmt:send-receive 'find-task-queue-records #f (list target run-name test-patt state-patt action-patt)))
(define (rmt:tasks-add action owner target runname testpatt params)
(rmt:send-receive 'tasks-add #f (list action owner target runname testpatt params)))
(define (rmt:tasks-set-state-given-param-key param-key new-state)
(rmt:send-receive 'tasks-set-state-given-param-key #f (list param-key new-state)))
(define (rmt:tasks-get-last target runname)
(rmt:send-receive 'tasks-get-last #f (list target runname)))
;;======================================================================
;; N O S Y N C D B
;;======================================================================
(define (rmt:no-sync-set var val)
(rmt:send-receive 'no-sync-set #f `(,var ,val)))
(define (rmt:no-sync-get/default var default)
(rmt:send-receive 'no-sync-get/default #f `(,var ,default)))
(define (rmt:no-sync-del! var)
(rmt:send-receive 'no-sync-del! #f `(,var)))
(define (rmt:no-sync-get-lock keyname)
(rmt:send-receive 'no-sync-get-lock #f `(,keyname)))
(define (rmt:no-sync-add-job host-type vars-list exekey cmdline)
(rmt:send-receive 'no-sync-add-job #f `(,host-type ,vars-list ,exekey ,cmdline)))
(define (rmt:no-sync-take-job host-type)
(rmt:send-receive 'no-sync-take-job #f `(,host-type)))
(define (rmt:no-sync-job-records-clean)
(rmt:set-receive 'no-sync-job-records-clean #f '()))
;;======================================================================
;; A R C H I V E S
;;======================================================================
(define (rmt:archive-get-allocations testname itempath dneeded)
(rmt:send-receive 'archive-get-allocations #f (list testname itempath dneeded)))
(define (rmt:archive-register-block-name bdisk-id archive-path)
(rmt:send-receive 'archive-register-block-name #f (list bdisk-id archive-path)))
(define (rmt:archive-allocate-testsuite/area-to-block block-id testsuite-name areakey)
(rmt:send-receive 'archive-allocate-test-to-block #f (list block-id testsuite-name areakey)))
(define (rmt:archive-register-disk bdisk-name bdisk-path df)
(rmt:send-receive 'archive-register-disk #f (list bdisk-name bdisk-path df)))
(define (rmt:test-set-archive-block-id run-id test-id archive-block-id)
(rmt:send-receive 'test-set-archive-block-id run-id (list run-id test-id archive-block-id)))
(define (rmt:test-get-archive-block-info archive-block-id)
(rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))
(define (rmtmod:calc-ro-mode runremote *toppath*)
(if (and runremote
(remote-ro-mode-checked runremote))
(remote-ro-mode runremote)
(let* ((dbfile (conc *toppath* "/megatest.db"))
(ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
(if runremote
(begin
(remote-ro-mode-set! runremote ro-mode)
(remote-ro-mode-checked-set! runremote #t)
ro-mode)
ro-mode))))
(define (extras-readonly-mode rmt-mutex log-port cmd params)
(mutex-unlock! rmt-mutex)
(debug:print-info 12 log-port "rmt:send-receive, case 3")
(debug:print 0 log-port "WARNING: write transaction requested on a readonly area. cmd="cmd" params="params)
#f)
(define (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params)
(debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
(mutex-lock! *rmt-mutex*)
(remote-conndat-set! runremote #f)
(http-transport:close-connections area-dat: runremote)
(remote-server-url-set! runremote #f)
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9.1")
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
(define (extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
(if (and (vector? res)
(eq? (vector-length res) 2)
(eq? (vector-ref res 1) 'overloaded)) ;; since we are
;; looking at the
;; data to carry the
;; error we'll use a
;; fairly obtuse
;; combo to minimise
;; the chances of
;; some sort of
;; collision. this
;; is the case where
;; the returned data
;; is bad or the
;; server is
;; overloaded and we
;; want to ease off
;; the queries
(let ((wait-delay (+ attemptnum (* attemptnum 10))))
(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
(mutex-lock! *rmt-mutex*)
(http-transport:close-connections area-dat: runremote)
(set! *runremote* #f) ;; force starting over
(mutex-unlock! *rmt-mutex*)
(thread-sleep! wait-delay)
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
res)) ;; All good, return res
#;(set-functions rmt:send-receive remote-server-url-set!
http-transport:close-connections remote-conndat-set!
debug:print debug:print-info
remote-ro-mode remote-ro-mode-set!
remote-ro-mode-checked-set! remote-ro-mode-checked)