Differences From Artifact [39d97c528a]:
- File rmt.scm — part of check-in [79674abc64] at 2020-08-24 18:06:27 on branch v1.65-cleanup — Saftey fixes and minor cleanup ==/3.73/1.3/PASS/1203/orion/== (user: mrwellan, size: 47277) [annotate] [blame] [check-ins using] [more...]
To Artifact [01b8ff2065]:
- File
rmt.scm
— part of check-in
[70a65ade2a]
at
2020-09-07 23:29:24
on branch v1.65-rmt-call-throttle-orig
— Added query throttle.
Fully tested and passes ext-tests on sles11 and Ubuntu. (user: matt, size: 48343) [annotate] [blame] [check-ins using] [more...]
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cinfo
(if (server:check-if-running areapath)
(client:setup areapath)
#f))))
(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id
;; 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)))
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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)
(let* ((now (current-milliseconds)))
(cond
((> (- now *rmt-query-last-call-time*) 500) ;; 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 1/2 second.")
(thread-sleep! 0.5) ;; 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))
(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)))
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