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;;======================================================================
(use format typed-records) ;; RADT => purpose of json format??
(declare (unit rmt))
(declare (uses api))
(declare (uses http-transport))
(declare (uses dbfile))
(include "common_records.scm")
;; (declare (uses rmtmod))
;; (import rmtmod)
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(let* ((qry-is-write (not (member cmd api:read-only-queries)))
(db-file-path (db:dbfile-path)) ;; 0))
(dbstructs-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 dbstructs-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
;; (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 '()))) ;; ) ;; we could also check that the returned types are valid
(vector #t '())))
(success (vector-ref resdat 0))
(res (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)
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(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))))
(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
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