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;; 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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;; 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 (> 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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;; 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))
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;; 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
((> (- (current-seconds)(remote-connect-time runremote)) 180) ;; reconnect to server every 180 seconds
(debug:print 0 *default-log-port* "Forcing reconnect to server(s) due to 180 second timeout.")
(set! *runremote* #f)
;; BUG: close-connections should go here?
(mutex-unlock! *rmt-mutex*)
(rmt:send-receive cmd rid params attemptnum: 1 area-dat: area-dat))
;;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))
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