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#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)) ;; start attemptnum at 1 so the modulo below works as expected
;; clean out old connections
;; side-effect: clean out old connections
;; (mutex-lock! *db-multi-sync-mutex*)
(let ((expire-time (- (current-seconds) (server:get-timeout) 10))) ;; don't forget the 10 second margin
(for-each
(lambda (run-id)
(let ((connection (hash-table-ref/default *runremote* run-id #f)))
(if (and (vector? connection)
(< (http-transport:server-dat-get-last-access connection) expire-time)) ;; BB> BBTODO: make this generic, not http transport specific.
(begin
(debug:print-info 0 *default-log-port* "Discarding connection to server for run-id " run-id ", too long between accesses")
(hash-table-delete! *runremote* run-id)))))
(hash-table-keys *runremote*)))
;; (mutex-unlock! *db-multi-sync-mutex*)
;; (mutex-lock! *send-receive-mutex*)
(let* ((run-id (if rid rid 0))
(connection-info (rmt:get-connection-info run-id)))
;; the nmsg method does the encoding under the hood (the http method should be changed to do this also)
(if connection-info
;; use the server if have connection info
(let* ((transport-type (vector-ref connection-info 6))
(let* ((transport-type (vector-ref connection-info 6)) ;; BB: assumes all transport-type'-servertdat vector's item 6 ids transport type
(dat (case transport-type ;; BB: replaced *transport-type* global with run-id specific transport-type, item 6 in server-info vector which was populated by *-transport:client-connect with >> (vector iface port api-uri api-url api-req (current-seconds) 'http ) <<
((http)(condition-case
(http-transport:client-api-send-receive run-id connection-info cmd params)
((commfail)(vector #f "communications fail"))
((exn)(vector #f "other fail"))))
;;((rpc) (rpc-transport:client-api-send-receive run-id connection-info cmd params)) ;; BB: let us error out for now
(else
|