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;; (require-library trace)
;; (import trace)
;; (trace
;; rmt:send-receive
;; api:execute-requests
;; )
;;======================================================================
;; S U P P O R T F U N C T I O N S
;;======================================================================
;; NOT USED
;;
(define (rmt:call-transport run-id connection-info cmd jparams)
(case (server:get-transport)
((rpc) ( rpc-transport:client-api-send-receive run-id connection-info cmd jparams))
((http) (http-transport:client-api-send-receive run-id connection-info cmd jparams))
((fs) ( fs-transport:client-api-send-receive run-id connection-info cmd jparams))
((zmq) (zmq-transport:client-api-send-receive run-id connection-info cmd jparams))
(else ( rpc-transport:client-api-send-receive run-id connection-info cmd jparams))))
;;
(define (rmt:write-frequency-over-limit? cmd run-id)
(and (not (member cmd api:read-only-queries))
(let* ((tmprec (hash-table-ref/default *write-frequency* run-id #f))
(record (if tmprec tmprec
(let ((v (vector (current-seconds) 0)))
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;; (require-library trace)
;; (import trace)
;; (trace
;; rmt:send-receive
;; api:execute-requests
;; )
;; 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
;;======================================================================
;; NOT USED?
;;
;; (define (rmt:call-transport run-id connection-info cmd jparams)
;; (case (server:get-transport)
;; ((rpc) ( rpc-transport:client-api-send-receive run-id connection-info cmd jparams))
;; ((http) (http-transport:client-api-send-receive run-id connection-info cmd jparams))
;; ((fs) ( fs-transport:client-api-send-receive run-id connection-info cmd jparams))
;; ((zmq) (zmq-transport:client-api-send-receive run-id connection-info cmd jparams))
;; (else ( rpc-transport:client-api-send-receive run-id connection-info cmd jparams))))
;;
(define (rmt:write-frequency-over-limit? cmd run-id)
(and (not (member cmd api:read-only-queries))
(let* ((tmprec (hash-table-ref/default *write-frequency* run-id #f))
(record (if tmprec tmprec
(let ((v (vector (current-seconds) 0)))
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(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)
(let* ((dbstruct-local (if *dbstruct-db*
*dbstruct-db*
(let* ((dbdir (conc (configf:lookup *configdat* "setup" "linktree") "/.db"))
(db (make-dbr:dbstruct path: dbdir local: #t)))
(set! *dbstruct-db* db)
db)))
(db-file-path (db:dbfile-path 0)))
;; (read-only (not (file-read-access? db-file-path)))
(let* ((start (current-milliseconds))
(resdat (api:execute-requests dbstruct-local (vector (symbol->string cmd) params)))
(res (vector-ref resdat 1))
(duration (- (current-milliseconds) start)))
(rmt:update-db-stats run-id cmd params duration)
;; mark this run as dirty if this was a write
(if (not (member cmd api:read-only-queries))
(let ((start-time (current-seconds)))
(mutex-lock! *db-multi-sync-mutex*)
;; (if (not (hash-table-ref/default *db-local-sync* run-id #f))
;; just set it every time. Is a write more expensive than a read and does it matter?
(hash-table-set! *db-local-sync* (or run-id 0) start-time) ;; the oldest "write"
(mutex-unlock! *db-multi-sync-mutex*)))
res)))
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(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* ((dbstruct-local (if *dbstruct-db*
*dbstruct-db*
(let* ((dbdir (conc (configf:lookup *configdat* "setup" "linktree") "/.db"))
(db (make-dbr:dbstruct path: dbdir local: #t)))
(set! *dbstruct-db* db)
db)))
(db-file-path (db:dbfile-path 0))
;; (read-only (not (file-read-access? db-file-path)))
(start (current-milliseconds))
(resdat (api:execute-requests dbstruct-local (vector (symbol->string cmd) params)))
(success (vector-ref resdat 0))
(res (vector-ref resdat 1))
(duration (- (current-milliseconds) start)))
(if (not success)
(if (> remretries 0)
(begin
(debug:print 0 "ERROR: 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 0 "ERROR: 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
(if (not (member cmd api:read-only-queries))
(let ((start-time (current-seconds)))
(mutex-lock! *db-multi-sync-mutex*)
;; (if (not (hash-table-ref/default *db-local-sync* run-id #f))
;; just set it every time. Is a write more expensive than a read and does it matter?
(hash-table-set! *db-local-sync* (or run-id 0) start-time) ;; the oldest "write"
(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))
;; (jparams (db:obj->string params)) ;; (rmt:dat->json-str params))
(res (handle-exceptions
exn
#f
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