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(use json format)
(declare (unit rmt))
(declare (uses api))
(declare (uses tdb))
(declare (uses http-transport))
(declare (uses nmsg-transport))
;;
;; THESE ARE ALL CALLED ON THE CLIENT SIDE!!!
;;
;; ;; For debugging add the following to ~/.megatestrc
;;
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cinfo
;; NB// can cache the answer for server running for 10 seconds ...
;; ;; (and (not (rmt:write-frequency-over-limit? cmd run-id))
(if (tasks:server-running-or-starting? (db:delay-if-busy (tasks:open-db)) run-id)
(client:setup run-id)
#f))))
;; cmd is a symbol
(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id
;; vars is a json string encoding the parameters for the call
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 0))
(let ((expire-time (- (current-seconds) 60)))
(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 connection
(< (http-transport:server-dat-get-last-access connection) expire-time))
(begin
(debug:print-info 0 "Discarding connection to server for run-id " run-id ", too long between accesses")
(hash-table-delete! *runremote* run-id)))))
(connection-info (rmt:get-connection-info run-id))
(connection-info (rmt:get-connection-info run-id)))
(jparams (db:obj->string params)))
(let* ((dat (http-transport:client-api-send-receive run-id connection-info cmd jparams))
(res (if (and dat (vector? dat)) (vector-ref dat 1) #f))
(success (if (and dat (vector? dat)) (vector-ref dat 0) #f)))
(http-transport:client-api-send-receive run-id connection-info cmd params)
((commfail)(vector #f "communications fail"))))
((nmsg)(condition-case
(nmsg-transport:client-api-send-receive run-id connection-info cmd params)
((timeout)(vector #f "timeout talking to server"))))
(else (exit))))
(success (if (and dat (vector? dat)) (vector-ref dat 0) #f))
(res (if (and dat (vector? dat)) (vector-ref dat 1) #f)))
(http-transport:server-dat-update-last-access connection-info)
(if success
(db:string->obj res)
;; (if (< attemptnum 100)
;; (begin
;; (hash-table-delete! *runremote* run-id)
;; (thread-sleep! 0.5)
;; (rmt:send-receive cmd rid params attempnum: (+ attemptnum 1)))
;; (begin
;; (print-call-chain (current-error-port))
;; (debug:print 0 "ERROR: too many attempts to communicate have failed. Giving up. Kill your mtest processes and start over")
;; (exit 1)))))
(debug:print 0 "WARNING: Communication failed, trying call to http-transport:client-api-send-receive again.")
(debug:print 0 "WARNING: Communication failed, trying call to rmt:send-receive again.")
;; (case *transport-type*
;; ((nmsg)(nn-close (http-transport:server-dat-get-socket connection-info))))
(hash-table-delete! *runremote* run-id) ;; don't keep using the same connection
(if (eq? (modulo attemptnum 5) 0)
(tasks:kill-server-run-id run-id tag: "api-send-receive-failed"))
;; (mutex-unlock! *send-receive-mutex*) ;; close the mutex here to allow other threads access to communications
(tasks:start-and-wait-for-server (tasks:open-db) run-id 15)
;; (nmsg-transport:client-api-send-receive run-id connection-info cmd param remtries: (- remtries 1))))))
;; no longer killing the server in http-transport:client-api-send-receive
;; may kill it here but what are the criteria?
;; start with three calls then kill server
(if (eq? attemptnum 3)(tasks:kill-server-run-id run-id))
(thread-sleep! 2)
;; (if (eq? attemptnum 3)(tasks:kill-server-run-id run-id))
;; (thread-sleep! 2)
(rmt:send-receive cmd run-id params attemptnum: (+ attemptnum 1)))))
;; no connection info? try to start a server
(if (and (< attemptnum 10)
(if (and (< attemptnum 15)
(tasks:need-server run-id))
(begin
(hash-table-delete! *runremote* run-id)
;; (mutex-unlock! *send-receive-mutex*)
(tasks:start-and-wait-for-server (db:delay-if-busy (tasks:open-db)) run-id 10)
(client:setup run-id)
(thread-sleep! (random 5)) ;; give some time to settle and minimize collison?
(rmt:send-receive cmd rid params (+ attemptnum 1)))
(rmt:open-qry-close-locally cmd run-id params)))))
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
(begin
(debug:print 0 "ERROR: Communication failed!")
;; (mutex-unlock! *send-receive-mutex*)
(exit)
;; (rmt:open-qry-close-locally cmd run-id params))))
)))))
(define (rmt:update-db-stats run-id rawcmd params duration)
(mutex-lock! *db-stats-mutex*)
(handle-exceptions
exn
(begin
(debug:print 0 "WARNING: stats collection failed in update-db-stats")
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(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))
(res (api:execute-requests dbstruct-local (symbol->string cmd) params))
(resdat (api:execute-requests dbstruct-local (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)))
(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))
(dat (http-transport:client-api-send-receive run-id connection-info cmd jparams)))
(if (and dat (vector-ref dat 0))
(db:string->obj (vector-ref dat 1))
(begin
(debug:print 0 "ERROR: rmt:send-receive-no-auto-client-setup failed, attempting to continue. Got " dat)
dat))))
;; (jparams (db:obj->string params)) ;; (rmt:dat->json-str params))
(res (http-transport:client-api-send-receive run-id connection-info cmd params)))
(if (and res (vector-ref res 0))
res
#f)))
;; (db:string->obj (vector-ref dat 1))
;; (begin
;; (debug:print 0 "ERROR: rmt:send-receive-no-auto-client-setup failed, attempting to continue. Got " dat)
;; dat))))
;; Wrap json library for strings (why the ports crap in the first place?)
(define (rmt:dat->json-str dat)
(with-output-to-string
(lambda ()
(json-write dat))))
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;; M I S C
;;======================================================================
(define (rmt:login run-id)
(rmt:send-receive 'login run-id (list *toppath* megatest-version run-id *my-client-signature*)))
;; This login does no retries under the hood - it acts a bit like a ping.
;; Deprecated for nmsg-transport.
;;
(define (rmt:login-no-auto-client-setup connection-info run-id)
(case *transport-type*
(rmt:send-receive-no-auto-client-setup connection-info 'login run-id (list *toppath* megatest-version run-id *my-client-signature*)))
((http)(rmt:send-receive-no-auto-client-setup connection-info 'login run-id (list *toppath* megatest-version run-id *my-client-signature*)))
((nmsg)(nmsg-transport:client-api-send-receive run-id connection-info 'login (list *toppath* megatest-version run-id *my-client-signature*)))))
;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible
;;
(define (rmt:general-call stmtname run-id . params)
(rmt:send-receive 'general-call run-id (append (list stmtname run-id) params)))
(define (rmt:sync-inmem->db run-id)
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(if (number? run-id)
(rmt:send-receive 'get-tests-for-run run-id (list run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals))
(begin
(debug:print "ERROR: rmt:get-tests-for-run called with bad run-id=" run-id)
(print-call-chain (current-error-port))
'())))
;; IDEA: Threadify these - they spend a lot of time waiting ...
;;
(define (rmt:get-tests-for-runs-mindata run-ids testpatt states status not-in)
(let ((multi-run-mutex (make-mutex))
(let ((run-id-list (if run-ids
(rmt:get-all-run-ids))))
(apply append (map (lambda (run-id)
(rmt:send-receive 'get-tests-for-run-mindata run-id (list run-ids testpatt states status not-in)))
run-id-list))))
(rmt:get-all-run-ids)))
(result '()))
(if (null? run-id-list)
'()
(for-each
(lambda (th)
(thread-join! th)) ;; I assume that joining completed threads just moves on
(let loop ((hed (car run-id-list))
(tal (cdr run-id-list))
(threads '()))
(let* ((newthread (make-thread
(lambda ()
(let ((res (rmt:send-receive 'get-tests-for-run-mindata hed (list hed testpatt states status not-in))))
(if (list? res)
(begin
(mutex-lock! multi-run-mutex)
(set! result (append result res))
(mutex-unlock! multi-run-mutex))
(debug:print 0 "ERROR: get-tests-for-run-mindata failed for run-id " hed ", testpatt " testpatt ", states " states ", status " status ", not-in " not-in))))
(conc "multi-run-thread for run-id " hed)))
(newthreads (cons newthread threads)))
(thread-start! newthread)
(thread-sleep! 0.5) ;; give that thread some time to start
(if (null? tal)
newthreads
(loop (car tal)(cdr tal) newthreads))))))
result))
(define (rmt:delete-test-records run-id test-id)
(rmt:send-receive 'delete-test-records run-id (list run-id test-id)))
;; This is not needed as test steps are deleted on test delete call
;;
;; (define (rmt:delete-test-step-records run-id test-id)
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