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Comment:Partial migration of server-dat to vector
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Timelines: family | ancestors | descendants | both | v1.60-no-compile
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SHA1: 8df45e5eed7cb7a83b6f35c2864b935d0d4556ba
User & Date: matt on 2014-03-11 12:15:01
Other Links: branch diff | manifest | tags
Context
2014-03-11
22:17
Fixed http-transport start-on-dead issue Closed-Leaf check-in: 21e4cbf850 user: matt tags: v1.60-no-compile
12:15
Partial migration of server-dat to vector check-in: 8df45e5eed user: matt tags: v1.60-no-compile
2014-03-10
16:18
Added better but still too slow startup of server when prev-running server is stuck check-in: acfb29f22e user: mrwellan tags: v1.60
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified client.scm from [ef3271835b] to [db9b1cb823].

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	    (let* ((iface     (car  host-info))
		   (port      (cadr host-info))
		   (start-res (http-transport:client-connect iface port))
		   ;; (ping-res  (server:ping-server run-id iface port))
		   (ping-res  (rmt:login-no-auto-client-setup start-res run-id)))
	      (if ping-res   ;; sucessful login?
		  (begin

		    (hash-table-set! *runremote* run-id start-res)
		    start-res)  ;; return the server info
		  (if (member remaining-tries '(3 4 6))
		      (begin    ;; login failed
			(debug:print 25 "INFO: client:setup start-res=" start-res ", run-id=" run-id ", server-dat=" host-info)

			(hash-table-delete! *runremote* run-id)
			(open-run-close tasks:server-force-clean-run-record
			 		tasks:open-db
			 		run-id 
			 		(car  host-info)
			 		(cadr host-info)
					" client:setup (host-info=#t)")

			(thread-sleep! 5)
			(client:setup run-id remaining-tries: 10)) ;; (- remaining-tries 1)))
		      (begin
			(debug:print 25 "INFO: client:setup failed to connect, start-res=" start-res ", run-id=" run-id ", host-info=" host-info)
			(thread-sleep! 5)
			(client:setup run-id remaining-tries: (- remaining-tries 1))))))
	    ;; YUK: rename server-dat here
	    (let* ((server-dat (open-run-close tasks:get-server tasks:open-db run-id)))








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	    (let* ((iface     (car  host-info))
		   (port      (cadr host-info))
		   (start-res (http-transport:client-connect iface port))
		   ;; (ping-res  (server:ping-server run-id iface port))
		   (ping-res  (rmt:login-no-auto-client-setup start-res run-id)))
	      (if ping-res   ;; sucessful login?
		  (begin
		    (http-transport:close-connections run-id)
		    (hash-table-set! *runremote* run-id start-res)
		    start-res)  ;; return the server info
		  (if (member remaining-tries '(9 6 4 2))
		      (begin    ;; login failed
			(debug:print 25 "INFO: client:setup start-res=" start-res ", run-id=" run-id ", server-dat=" host-info)
			(http-transport:close-connections run-id)
			(hash-table-delete! *runremote* run-id)
			(open-run-close tasks:server-force-clean-run-record
			 		tasks:open-db
			 		run-id 
			 		(car  host-info)
			 		(cadr host-info)
					" client:setup (host-info=#t)")
			(if (< remaining-tries 8)
			    (thread-sleep! 5))
			(client:setup run-id remaining-tries: 10)) ;; (- remaining-tries 1)))
		      (begin
			(debug:print 25 "INFO: client:setup failed to connect, start-res=" start-res ", run-id=" run-id ", host-info=" host-info)
			(thread-sleep! 5)
			(client:setup run-id remaining-tries: (- remaining-tries 1))))))
	    ;; YUK: rename server-dat here
	    (let* ((server-dat (open-run-close tasks:get-server tasks:open-db run-id)))
︙︙

Modified http-transport.scm from [cda5622689] to [d2de8d2ff6].

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				   (send-response body:    (api:process-request db $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *last-db-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ;; This is the /ctrl path where data is handed to the server and
				  ;; responses 
				  ((equal? (uri-path (request-uri (current-request)))
					   '(/ "ctrl"))
				   (let* ((packet (db:string->obj dat))
					  (qtype  (cdb:packet-get-qtype packet)))
				     (debug:print-info 12 "server=> received packet=" packet)
				     (if (not (member qtype '(sync ping)))
					 (begin
					   (mutex-lock! *heartbeat-mutex*)
					   (set! *last-db-access* (current-seconds))
					   (mutex-unlock! *heartbeat-mutex*)))
				     ;; (mutex-lock! *db:process-queue-mutex*) ;; trying a mutex
				     ;; (set! res (open-run-close db:process-queue-item open-db packet))
				     (set! res (db:process-queue-item db packet))
				     ;; (mutex-unlock! *db:process-queue-mutex*)
				     (debug:print-info 11 "Return value from db:process-queue-item is " res)
				     (send-response body: (conc "<head>ctrl data</head>\n<body>"
								res
								"</body>")
						    headers: '((content-type text/plain)))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 








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				   (send-response body:    (api:process-request db $) ;; the $ is the request vars proc
						  headers: '((content-type text/plain)))
				   (mutex-lock! *heartbeat-mutex*)
				   (set! *last-db-access* (current-seconds))
				   (mutex-unlock! *heartbeat-mutex*))
				  ;; This is the /ctrl path where data is handed to the server and
				  ;; responses 
				  ;; ((equal? (uri-path (request-uri (current-request)))
				  ;;          '(/ "ctrl"))
				  ;;  (let* ((packet (db:string->obj dat))
				  ;;         (qtype  (cdb:packet-get-qtype packet)))
				  ;;    (debug:print-info 12 "server=> received packet=" packet)
				  ;;    (if (not (member qtype '(sync ping)))
				  ;;        (begin
				  ;;          (mutex-lock! *heartbeat-mutex*)
				  ;;          (set! *last-db-access* (current-seconds))
				  ;;          (mutex-unlock! *heartbeat-mutex*)))
				  ;;    ;; (mutex-lock! *db:process-queue-mutex*) ;; trying a mutex
				  ;;    ;; (set! res (open-run-close db:process-queue-item open-db packet))
				  ;;    (set! res (db:process-queue-item db packet))
				  ;;    ;; (mutex-unlock! *db:process-queue-mutex*)
				  ;;    (debug:print-info 11 "Return value from db:process-queue-item is " res)
				  ;;    (send-response body: (conc "<head>ctrl data</head>\n<body>"
				  ;;       			res
				  ;;       			"</body>")
				  ;;       	    headers: '((content-type text/plain)))))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ ""))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request))) 
					   '(/ "runs"))
				   (send-response body: (http-transport:main-page)))
				  ((equal? (uri-path (request-uri (current-request)))
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			   (exit 1))))
	 (res        #f))
    (handle-exceptions
     exn
     (if (> numretries 0)
	 (begin
	   (mutex-unlock! *http-mutex*)
	   (thread-sleep! 2)
	   (close-all-connections!)
	   (debug:print 0 "WARNING: Failed to communicate with server, trying again, numretries left: " numretries)
	   (http-transport:client-api-send-receive run-id serverdat cmd params numretries: (- numretries 1)))
	 (begin
	   (mutex-unlock! *http-mutex*)
	   #f))
     (begin








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			   (exit 1))))
	 (res        #f))
    (handle-exceptions
     exn
     (if (> numretries 0)
	 (begin
	   (mutex-unlock! *http-mutex*)
	   (thread-sleep! 1)
	   (close-all-connections!)
	   (debug:print 0 "WARNING: Failed to communicate with server, trying again, numretries left: " numretries)
	   (http-transport:client-api-send-receive run-id serverdat cmd params numretries: (- numretries 1)))
	 (begin
	   (mutex-unlock! *http-mutex*)
	   #f))
     (begin
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	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
	 (thread-terminate! th2)
	 (debug:print-info 11 "got res=" res)
	 res)))))


;;




















;; connect
;;
(define (http-transport:client-connect iface port)
  (let* ((api-url     (conc "http://" iface ":" port "/api"))
	 (uri-dat     (make-request method: 'POST uri: (uri-reference (conc "http://" iface ":" port "/ctrl"))))
	 ;; (uri-dat     (make-request method: 'GET uri: (uri-reference (conc "http://" iface ":" port "/ctrl"))))
	 (uri-api-dat (make-request method: 'POST uri: api-url)) ;; (uri-reference (conc "http://" iface ":" port "/api"))))
	 ;; (uri-api-dat (make-request method: 'GET uri: (uri-reference (conc "http://" iface ":" port "/api"))))

	 (server-dat  (list iface port uri-dat uri-api-dat api-url)))
;;	 (login-res   (server:ping-server run-id server-dat))) ;; login-no-auto-client-setup server-dat run-id)))
    server-dat))
;;     (if (and (list? login-res)
;; 	     (car login-res))
;; 	(begin
;; 	  (hash-table-set! *runremote* run-id server-dat)
;; 	  (debug:print-info 2 "Logged in and connected to " iface ":" port)
;; 	  (hash-table-set! *runremote* run-id server-dat)
;; 	  server-dat)
;; 	(begin
;; 	  (debug:print-info 0 "ERROR: Failed to login or connect to " iface ":" port)
;; 	  #f))))

;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running server-id)
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown








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	 (thread-start! th1)
	 (thread-start! th2)
	 (thread-join! th1)
	 (thread-terminate! th2)
	 (debug:print-info 11 "got res=" res)
	 res)))))

;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections run-id)
  (let* ((server-dat (hash-table-ref/default *runremote* run-id #f)))
    (if (and (list? server-dat)
	     (>= (length server-dat) 5))
	(let ((ctrl-dat (list-ref server-dat 2))
	      (api-dat  (list-ref server-dat 3)))
	  (close-connection! ctrl-dat)
	  (close-connection! api-dat)
	  #t)
	#f)))


(define (make-http-transport:server-dat)(make-vector 5))
(define (http-transport:server-dat-get-iface         vec)    (vector-ref  vec 0))
(define (http-transport:server-dat-get-port          vec)    (vector-ref  vec 1))
(define (http-transport:server-dat-get-api-uri       vec)    (vector-ref  vec 2))
(define (http-transport:server-dat-get-api-url       vec)    (vector-ref  vec 3))
(define (http-transport:server-dat-get-api-request   vec)    (vector-ref  vec 4))

;;
;; connect
;;
(define (http-transport:client-connect iface port)
  (let* ((api-url      (conc "http://" iface ":" port "/api"))
	 (api-uri      (uri-reference (conc "http://" iface ":" port "/api")))

	 (uri-api-dat  (make-request method: 'POST uri: api-uri))
	 ;; (uri-ctrl-dat (make-request method: 'POST uri: (uri-reference (conc "http://" iface ":" port "/ctrl"))))
	 (uri-ctrl-dat #f) ;; not used anymore
	 (server-dat   (vector iface port uri-ctrl-dat uri-api-dat api-url)))

    server-dat))











;; run http-transport:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running server-id)
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
︙︙

Modified tests/fullrun/config/mt_include_1.config from [e1668a96e9] to [798352a4c6]. 

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[setup]
# exectutable /path/to/megatest
max_concurrent_jobs 500

linktree #{getenv MT_RUN_AREA_HOME}/tmp/mt_links

[jobtools]
useshell yes
# ## launcher launches jobs, the job is managed on the target host
## by megatest, comment out launcher to run local
# workhosts localhost hermes
# launcher exec nbfake
# launcher nbfake
launcher loadrunner
# launcher echo
# launcher nbfind
# launcher nodanggood
# launcher nbload

## use "xterm -e csi -- " as a launcher to examine the launch environment.
## exit with (exit)



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[setup]
# exectutable /path/to/megatest
max_concurrent_jobs 20

linktree #{getenv MT_RUN_AREA_HOME}/tmp/mt_links

[jobtools]
useshell yes
# ## launcher launches jobs, the job is managed on the target host
## by megatest, comment out launcher to run local
# workhosts localhost hermes
# launcher exec nbfake
launcher nbfake
# launcher loadrunner
# launcher echo
# launcher nbfind
# launcher nodanggood
# launcher nbload

## use "xterm -e csi -- " as a launcher to examine the launch environment.
## exit with (exit)
︙︙

Modified tests/fullrun/megatest.config from [68ba577ce2] to [385c046203].

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# If the server can't be started on this port it will try the next port until
# it succeeds
port 8080

# This server will keep running this number of hours after last access. 
# Three minutes is 0.05 hours
# timeout 0.025
timeout 0.25

## disks are:
## name host:/path/to/area
## -or-
## name /path/to/area
[disks]
disk0 /foobarbazz








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# If the server can't be started on this port it will try the next port until
# it succeeds
port 8080

# This server will keep running this number of hours after last access. 
# Three minutes is 0.05 hours
# timeout 0.025
timeout 0.025

## disks are:
## name host:/path/to/area
## -or-
## name /path/to/area
[disks]
disk0 /foobarbazz
︙︙

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