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Comment:Completed move of functions to client.scm
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SHA1: 643c26a524fa538f5a3bf2061d9809245f502114
User & Date: matt on 2013-03-10 18:41:26
Other Links: branch diff | manifest | tags
Context
2013-03-11
14:36
Fixed bug in -show-config and -show-runconfig and added json output check-in: 58eba43a32 user: mrwellan tags: dev
2013-03-10
18:41
Completed move of functions to client.scm check-in: 643c26a524 user: matt tags: dev
18:13
Move client functions to client.scm check-in: 18481efbe5 user: matt tags: dev
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified client.scm from [729ba453ef] to [d31c23bc39].

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;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;======================================================================
;; C L I E N T S
;;======================================================================

















;; server:get-client-signature
(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (server:mk-signature)))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;; server:client-login
(define (client:login serverdat)
  (cdb:login serverdat *toppath* (server:get-client-signature)))

;; Not currently used! But, I think it *should* be used!!!
(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (server:get-client-signature)))))
    ok))

;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios. 
;;   1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;;   2. We are a run tests, list runs or other interactive process and we mush figure out
;;      *transport-type* and *runremote* from the monitor.db
;;
;; server:client-setup
(define (client:setup #!key (numtries 50))
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: failed to find megatest.config, exiting")
	    (exit))))
  (debug:print-info 11 "*transport-type* is " *transport-type* ", *runremote* is " *runremote*)








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;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;======================================================================
;; C L I E N T S
;;======================================================================

(require-extension (srfi 18) extras tcp s11n)

(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest zmq)
(import (prefix sqlite3 sqlite3:))

(use spiffy uri-common intarweb http-client spiffy-request-vars)

(declare (unit client))

(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

;; client:get-signature
(define (client:get-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (server:mk-signature)))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;; client:login serverdat
(define (client:login serverdat)
  (cdb:login serverdat *toppath* (client:get-signature)))

;; Not currently used! But, I think it *should* be used!!!
(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (client:get-signature)))))
    ok))

;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios. 
;;   1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;;   2. We are a run tests, list runs or other interactive process and we mush figure out
;;      *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
(define (client:setup #!key (numtries 50))
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: failed to find megatest.config, exiting")
	    (exit))))
  (debug:print-info 11 "*transport-type* is " *transport-type* ", *runremote* is " *runremote*)
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				     (tasks:hostinfo-get-port      hostinfo)
				     (tasks:hostinfo-get-pubport   hostinfo)))
      (else  ;; default to fs
       (debug:print 0 "ERROR: unrecognised transport type " *transport-type* " attempting to continue with fs")
       (set! *transport-type* 'fs)
       (set! *megatest-db*    (open-db))))))

;; server:client-signal-handler
(define (client:signal-handler signum)
  (handle-exceptions
   exn
   (debug:print " ... exiting ...")
   (let ((th1 (make-thread (lambda ()
			     "") ;; do nothing for now (was flush out last call if applicable)
			   "eat response"))
	 (th2 (make-thread (lambda ()
			     (debug:print 0 "ERROR: Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
			     (thread-sleep! 1) ;; give the flush one second to do it's stuff
			     (debug:print 0 "       Done.")
			     (exit 4))
			   "exit on ^C timer")))
     (thread-start! th2)
     (thread-start! th1)
     (thread-join! th2))))

;; server:client-launch
(define (client:launch)
  (set-signal-handler! signal/int server:client-signal-handler)
   (if (client:setup)
       (debug:print-info 2 "connected as client")
       (begin
	 (debug:print 0 "ERROR: Failed to connect as client")
	 (exit))))









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				     (tasks:hostinfo-get-port      hostinfo)
				     (tasks:hostinfo-get-pubport   hostinfo)))
      (else  ;; default to fs
       (debug:print 0 "ERROR: unrecognised transport type " *transport-type* " attempting to continue with fs")
       (set! *transport-type* 'fs)
       (set! *megatest-db*    (open-db))))))

;; client:signal-handler
(define (client:signal-handler signum)
  (handle-exceptions
   exn
   (debug:print " ... exiting ...")
   (let ((th1 (make-thread (lambda ()
			     "") ;; do nothing for now (was flush out last call if applicable)
			   "eat response"))
	 (th2 (make-thread (lambda ()
			     (debug:print 0 "ERROR: Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
			     (thread-sleep! 1) ;; give the flush one second to do it's stuff
			     (debug:print 0 "       Done.")
			     (exit 4))
			   "exit on ^C timer")))
     (thread-start! th2)
     (thread-start! th1)
     (thread-join! th2))))

;; client:launch
(define (client:launch)
  (set-signal-handler! signal/int client:signal-handler)
   (if (client:setup)
       (debug:print-info 2 "connected as client")
       (begin
	 (debug:print 0 "ERROR: Failed to connect as client")
	 (exit))))

Modified dashboard.scm from [6cbe46c740] to [dd79442032].

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      (exit 1)))

(define *db* #f) ;; (open-db))

(if (args:get-arg "-host")
    (begin
      (set! *runremote* (string-split (args:get-arg "-host" ":")))
      (server:client-launch))
    (server:client-launch))

;; HACK ALERT: this is a hack, please fix.
(define *read-only* (not (file-read-access? (conc *toppath* "/megatest.db"))))
;; (server:client-setup *db*)

(define toplevel #f)
(define dlg      #f)
(define max-test-num 0)
;; (define *keys*   (open-run-close db:get-keys #f))
(define *keys*   (cdb:remote-run db:get-keys #f))
;; (define *keys*   (db:get-keys   *db*))








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      (exit 1)))

(define *db* #f) ;; (open-db))

(if (args:get-arg "-host")
    (begin
      (set! *runremote* (string-split (args:get-arg "-host" ":")))
      (client:launch))
    (client:launch))

;; HACK ALERT: this is a hack, please fix.
(define *read-only* (not (file-read-access? (conc *toppath* "/megatest.db"))))
;; (client:setup *db*)

(define toplevel #f)
(define dlg      #f)
(define max-test-num 0)
;; (define *keys*   (open-run-close db:get-keys #f))
(define *keys*   (cdb:remote-run db:get-keys #f))
;; (define *keys*   (db:get-keys   *db*))
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Modified db.scm from [fdb4c7a466] to [c3d228a90a].

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(use zmq)

(declare (unit db))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses fs-transport))


(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

;; timestamp type (val1 val2 ...)








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(use zmq)

(declare (unit db))
(declare (uses common))
(declare (uses keys))
(declare (uses ods))
(declare (uses fs-transport))
(declare (uses client))

(include "common_records.scm")
(include "db_records.scm")
(include "key_records.scm")
(include "run_records.scm")

;; timestamp type (val1 val2 ...)
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(define (cdb:client-call serverdat qtype immediate numretries . params)
  (debug:print-info 11 "cdb:client-call serverdat=" serverdat ", qtype=" qtype ", immediate=" immediate ", numretries=" numretries ", params=" params)
  (case *transport-type* 
    ((fs)
     (let ((packet (vector "na" qtype immediate "na" params 0)))
       (fs:process-queue-item packet)))
    ((http)
     (let* ((client-sig  (server:get-client-signature))
	    (query-sig   (message-digest-string (md5-primitive) (conc qtype immediate params)))
	    (zdat        (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds))))) ;; (with-output-to-string (lambda ()(serialize params))))
       (debug:print-info 11 "zdat=" zdat)
       (let* ((res  #f)
	      (rawdat      (http-transport:client-send-receive serverdat zdat))
	      (tmp         #f))
	 (debug:print-info 11 "Sent " zdat ", received " rawdat)
	 (set! tmp (db:string->obj rawdat))
	 (vector-ref tmp 2))))
    ((zmq)
     (handle-exceptions
      exn
      (begin
	(thread-sleep! 5) 
	(if (> numretries 0)(apply cdb:client-call serverdat qtype immediate (- numretries 1) params)))
      (let* ((push-socket (vector-ref serverdat 0))
	     (sub-socket  (vector-ref serverdat 1))
	     (client-sig  (server:get-client-signature))
	     (query-sig   (message-digest-string (md5-primitive) (conc qtype immediate params)))
	     (zdat        (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds)))) ;; (with-output-to-string (lambda ()(serialize params))))
	     (res  #f)
	     (send-receive (lambda ()
			     (debug:print-info 11 "sending message")
			     (send-message push-socket zdat)
			     (debug:print-info 11 "message sent")
			     (let loop ()
			       ;; get the sender info
			       ;; this should match (server:get-client-signature)
			       ;; we will need to process "all" messages here some day
			       (receive-message* sub-socket)
			       ;; now get the actual message
			       (let ((myres (db:string->obj (receive-message* sub-socket))))
				 (if (equal? query-sig (vector-ref myres 1))
				     (set! res (vector-ref myres 2))
				     (loop))))))








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(define (cdb:client-call serverdat qtype immediate numretries . params)
  (debug:print-info 11 "cdb:client-call serverdat=" serverdat ", qtype=" qtype ", immediate=" immediate ", numretries=" numretries ", params=" params)
  (case *transport-type* 
    ((fs)
     (let ((packet (vector "na" qtype immediate "na" params 0)))
       (fs:process-queue-item packet)))
    ((http)
     (let* ((client-sig  (client:get-signature))
	    (query-sig   (message-digest-string (md5-primitive) (conc qtype immediate params)))
	    (zdat        (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds))))) ;; (with-output-to-string (lambda ()(serialize params))))
       (debug:print-info 11 "zdat=" zdat)
       (let* ((res  #f)
	      (rawdat      (http-transport:client-send-receive serverdat zdat))
	      (tmp         #f))
	 (debug:print-info 11 "Sent " zdat ", received " rawdat)
	 (set! tmp (db:string->obj rawdat))
	 (vector-ref tmp 2))))
    ((zmq)
     (handle-exceptions
      exn
      (begin
	(thread-sleep! 5) 
	(if (> numretries 0)(apply cdb:client-call serverdat qtype immediate (- numretries 1) params)))
      (let* ((push-socket (vector-ref serverdat 0))
	     (sub-socket  (vector-ref serverdat 1))
	     (client-sig  (client:get-signature))
	     (query-sig   (message-digest-string (md5-primitive) (conc qtype immediate params)))
	     (zdat        (db:obj->string (vector client-sig qtype immediate query-sig params (current-seconds)))) ;; (with-output-to-string (lambda ()(serialize params))))
	     (res  #f)
	     (send-receive (lambda ()
			     (debug:print-info 11 "sending message")
			     (send-message push-socket zdat)
			     (debug:print-info 11 "message sent")
			     (let loop ()
			       ;; get the sender info
			       ;; this should match (client:get-signature)
			       ;; we will need to process "all" messages here some day
			       (receive-message* sub-socket)
			       ;; now get the actual message
			       (let ((myres (db:string->obj (receive-message* sub-socket))))
				 (if (equal? query-sig (vector-ref myres 1))
				     (set! res (vector-ref myres 2))
				     (loop))))))
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Modified http-transport.scm from [7046de44b4] to [6dcdd045c3].

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	   (let ((final (cadr match)))
	     (debug:print-info 11 "final=" final)
	     final)))))))

(define (http-transport:client-connect iface port)
  (let* ((login-res   #f)
	 (serverdat   (list iface port)))
    (set! login-res (server:client-login serverdat))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" port)
	  (set! *runremote* serverdat)
	  serverdat)
	(begin








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	   (let ((final (cadr match)))
	     (debug:print-info 11 "final=" final)
	     final)))))))

(define (http-transport:client-connect iface port)
  (let* ((login-res   #f)
	 (serverdat   (list iface port)))
    (set! login-res (client:login serverdat))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" port)
	  (set! *runremote* serverdat)
	  serverdat)
	(begin
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Modified launch.scm from [d4bf3732c1] to [f18b47fd5d].

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	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  ;; Can setup as client for server mode now
	  ;; (server:client-setup)

	  (change-directory *toppath*) 
	  (set-megatest-env-vars run-id) ;; these may be needed by the launching process
	  (change-directory work-area) 

	  (open-run-close set-run-config-vars #f run-id keys keyvals)
	  ;; environment overrides are done *before* the remaining critical envars.








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	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  (change-directory *toppath*) 
	  (set-megatest-env-vars run-id) ;; these may be needed by the launching process
	  (change-directory work-area) 

	  (open-run-close set-run-config-vars #f run-id keys keyvals)
	  ;; environment overrides are done *before* the remaining critical envars.
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Modified megatest.scm from [db569f550d] to [5372a37012].

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(declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))
(declare (uses runs))
(declare (uses launch))
(declare (uses server))

(declare (uses tests))
(declare (uses genexample))

(define *db* #f) ;; this is only for the repl, do not use in general!!!!

(include "common_records.scm")
(include "key_records.scm")








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(declare (uses common))
(declare (uses megatest-version))
(declare (uses margs))
(declare (uses runs))
(declare (uses launch))
(declare (uses server))
(declare (uses client))
(declare (uses tests))
(declare (uses genexample))

(define *db* #f) ;; this is only for the repl, do not use in general!!!!

(include "common_records.scm")
(include "key_records.scm")
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	    )
	  (exit)))
    ;; if not list or kill then start a client (if appropriate)
    (if (or (args-defined? "-h" "-version" "-gen-megatest-area" "-gen-megatest-test")
	    (eq? (length (hash-table-keys args:arg-hash)) 0))
	(debug:print-info 1 "Server connection not needed")
	;; ok, so lets connect to the server
	(server:client-launch)))

;;======================================================================
;; Weird special calls that need to run *after* the server has started?
;;======================================================================

(if (args:get-arg "-list-targets")
    (let ((targets (common:get-runconfig-targets)))








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	    )
	  (exit)))
    ;; if not list or kill then start a client (if appropriate)
    (if (or (args-defined? "-h" "-version" "-gen-megatest-area" "-gen-megatest-test")
	    (eq? (length (hash-table-keys args:arg-hash)) 0))
	(debug:print-info 1 "Server connection not needed")
	;; ok, so lets connect to the server
	(client:launch)))

;;======================================================================
;; Weird special calls that need to run *after* the server has started?
;;======================================================================

(if (args:get-arg "-list-targets")
    (let ((targets (common:get-runconfig-targets)))
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	  (set! *transport-type* (string->symbol transport))
	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting")
		(exit 1)))

	  ;; can setup as client for server mode now
	  ;; (server:client-setup)

	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either cdb:remote-run or open-run-close
	      (db:load-test-data db test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))








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	  (set! *transport-type* (string->symbol transport))
	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting")
		(exit 1)))

	  ;; can setup as client for server mode now
	  ;; (client:setup)

	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      ;; DO NOT put this one into either cdb:remote-run or open-run-close
	      (db:load-test-data db test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))
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	(args:get-arg "-load"))
    (let* ((toppath (setup-for-run))
	   (db      (if toppath (open-db) #f)))
      (if db
	  (begin
	    (set! *db* db)
	    (set! *client-non-blocking-mode* #t)
	    ;; (server:client-setup)
	    ;; (server:client-launch)
	    (import readline)
	    (import apropos)
	    (gnu-history-install-file-manager
	     (string-append
	      (or (get-environment-variable "HOME") ".") "/.megatest_history"))
	    (current-input-port (make-gnu-readline-port "megatest> "))
	    (if (args:get-arg "-repl")








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	(args:get-arg "-load"))
    (let* ((toppath (setup-for-run))
	   (db      (if toppath (open-db) #f)))
      (if db
	  (begin
	    (set! *db* db)
	    (set! *client-non-blocking-mode* #t)
	    ;; (client:setup)
	    ;; (client:launch)
	    (import readline)
	    (import apropos)
	    (gnu-history-install-file-manager
	     (string-append
	      (or (get-environment-variable "HOME") ".") "/.megatest_history"))
	    (current-input-port (make-gnu-readline-port "megatest> "))
	    (if (args:get-arg "-repl")
︙︙

Modified rpc-transport.scm from [12f5deda72] to [7a4845b5a6].

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(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

(define (server:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define  *server-loop-heart-beat* (current-seconds))
(define *heartbeat-mutex* (make-mutex))

;;======================================================================
;; S E R V E R
;;======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (server:run hostn)
  (debug:print 2 "Attempting to start the server ...")
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: cannot find megatest.config, cannot start server, exiting")
	    (exit))))
  (let* (;; (iface           (if (string=? "-" hostn)








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(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.

(include "common_records.scm")
(include "db_records.scm")

(define (rpc-server:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "http://" (car hostport) ":" (cadr hostport))))

(define  *server-loop-heart-beat* (current-seconds))
(define *heartbeat-mutex* (make-mutex))

;;======================================================================
;; S E R V E R
;;======================================================================

;; Call this to start the actual server
;;

(define *db:process-queue-mutex* (make-mutex))

(define (rpc-server:run hostn)
  (debug:print 2 "Attempting to start the server ...")
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: cannot find megatest.config, cannot start server, exiting")
	    (exit))))
  (let* (;; (iface           (if (string=? "-" hostn)
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				  (else (continue))))))))
    (server:try-start-server ipaddrstr start-port)
    ;; lite3:finalize! db)))
    ))



;; (define (server:main-loop)
;;   (print "INFO: Exectuing main server loop")
;;   (access-log "megatest-http.log")
;;   (server-bind-address #f)
;;   (define-page (main-page-path)
;;     (lambda ()
;;       (let ((dat ($ "dat")))
;;       ;; (with-request-variables (dat)








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				  (else (continue))))))))
    (server:try-start-server ipaddrstr start-port)
    ;; lite3:finalize! db)))
    ))



;; (define (rpc-server:main-loop)
;;   (print "INFO: Exectuing main server loop")
;;   (access-log "megatest-http.log")
;;   (server-bind-address #f)
;;   (define-page (main-page-path)
;;     (lambda ()
;;       (let ((dat ($ "dat")))
;;       ;; (with-request-variables (dat)
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;;;                                               headers: '((content-type text/plain)))
;;;                                (continue))))))
;;; 
;;; (start-server port: 12345)

;; This is recursively run by server:run until sucessful
;;
(define (server:try-start-server ipaddrstr portnum)
  (handle-exceptions
   exn
   (begin
     (print-error-message exn)
     (if (< portnum 9000)
	 (begin 
	   (print "WARNING: failed to start on portnum: " portnum ", trying next port")








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;;;                                               headers: '((content-type text/plain)))
;;;                                (continue))))))
;;; 
;;; (start-server port: 12345)

;; This is recursively run by server:run until sucessful
;;
(define (rpc-server:try-start-server ipaddrstr portnum)
  (handle-exceptions
   exn
   (begin
     (print-error-message exn)
     (if (< portnum 9000)
	 (begin 
	   (print "WARNING: failed to start on portnum: " portnum ", trying next port")
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		   (current-process-id)
		   ipaddrstr portnum 0 'live)
   (print "INFO: Trying to start server on " ipaddrstr ":" portnum)
   ;; This starts the spiffy server
   (start-server port: portnum)
   (print "INFO: server has been stopped")))

(define (server:mk-signature)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list (current-directory)
					  (argv)))))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; When using zmq this would send the message back (two step process)
;; with spiffy or rpc this simply returns the return data to be returned
;; 
(define (server:reply return-addr query-sig success/fail result)
  (debug:print-info 11 "server:reply return-addr=" return-addr ", result=" result)
  ;; (send-message pubsock target send-more: #t)
  ;; (send-message pubsock 
  (db:obj->string (vector success/fail query-sig result)))

;;======================================================================
;; C L I E N T S
;;======================================================================

(define (server:get-client-signature)
  (if *my-client-signature* *my-client-signature*
      (let ((sig (server:mk-signature)))
	(set! *my-client-signature* sig)
	*my-client-signature*)))

;; <html>
;; <head></head>
;; <body>1 Hello, world! Goodbye Dolly</body></html>
;; Send msg to serverdat and receive result
(define (server:client-send-receive serverdat msg)
  (let* ((url        (server:make-server-url serverdat))
	 (fullurl    (conc url "/ctrl")) ;; (conc url "/?dat=" msg)))
	 (numretries 0))     
    (handle-exceptions
     exn
     (if (< numretries 200)
	 (server:client-send-receive serverdat msg))








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		   (current-process-id)
		   ipaddrstr portnum 0 'live)
   (print "INFO: Trying to start server on " ipaddrstr ":" portnum)
   ;; This starts the spiffy server
   (start-server port: portnum)
   (print "INFO: server has been stopped")))

(define (rpc-server:mk-signature)
  (message-digest-string (md5-primitive) 
			 (with-output-to-string
			   (lambda ()
			     (write (list (current-directory)
					  (argv)))))))

;;======================================================================
;; S E R V E R   U T I L I T I E S 
;;======================================================================

;; When using zmq this would send the message back (two step process)
;; with spiffy or rpc this simply returns the return data to be returned
;; 
(define (rpc-server:reply return-addr query-sig success/fail result)
  (debug:print-info 11 "server:reply return-addr=" return-addr ", result=" result)
  ;; (send-message pubsock target send-more: #t)
  ;; (send-message pubsock 
  (db:obj->string (vector success/fail query-sig result)))

;;======================================================================
;; C L I E N T S
;;======================================================================







;; <html>
;; <head></head>
;; <body>1 Hello, world! Goodbye Dolly</body></html>
;; Send msg to serverdat and receive result
(define (rpc-server:client-send-receive serverdat msg)
  (let* ((url        (server:make-server-url serverdat))
	 (fullurl    (conc url "/ctrl")) ;; (conc url "/?dat=" msg)))
	 (numretries 0))     
    (handle-exceptions
     exn
     (if (< numretries 200)
	 (server:client-send-receive serverdat msg))
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	 (debug:print-info 11 "got res=" res)
	 (let ((match (string-search (regexp "<body>(.*)<.body>") res)))
	   (debug:print-info 11 "match=" match)
	   (let ((final (cadr match)))
	     (debug:print-info 11 "final=" final)
	     final)))))))

(define (server:client-login serverdat)
  (max-retry-attempts 100)
  (cdb:login serverdat *toppath* (server:get-client-signature)))

;; Not currently used! But, I think it *should* be used!!!
(define (server:client-logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (server:get-client-signature)))))
    ;; (close-socket serverdat)
    ok))

(define (server:client-connect iface port)
  (let* ((login-res   #f)
	 (serverdat   (list iface port)))
    (set! login-res (server:client-login serverdat))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" port)
	  (set! *runremote* serverdat)
	  serverdat)
	(begin
	  (debug:print-info 2 "Failed to login or connect to " iface ":" port)
	  (set! *runremote* #f)
	  #f))))

;; Do all the connection work, start a server if not already running
(define (server:client-setup #!key (numtries 50))
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: failed to find megatest.config, exiting")
	    (exit))))
  (let ((hostinfo   (open-run-close tasks:get-best-server tasks:open-db)))
    (if hostinfo








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	 (debug:print-info 11 "got res=" res)
	 (let ((match (string-search (regexp "<body>(.*)<.body>") res)))
	   (debug:print-info 11 "match=" match)
	   (let ((final (cadr match)))
	     (debug:print-info 11 "final=" final)
	     final)))))))

(define (client:login serverdat serverdat)
  (max-retry-attempts 100)
  (cdb:login serverdat *toppath* (client:get-signature)))

;; Not currently used! But, I think it *should* be used!!!
(define (client:logout serverdat)
  (let ((ok (and (socket? serverdat)
		 (cdb:logout serverdat *toppath* (client:get-signature)))))
    ;; (close-socket serverdat)
    ok))

(define (rpc-server:client-connect iface port)
  (let* ((login-res   #f)
	 (serverdat   (list iface port)))
    (set! login-res (client:login serverdat serverdat))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" port)
	  (set! *runremote* serverdat)
	  serverdat)
	(begin
	  (debug:print-info 2 "Failed to login or connect to " iface ":" port)
	  (set! *runremote* #f)
	  #f))))

;; Do all the connection work, start a server if not already running
(define (client:setup #!key (numtries 50))
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: failed to find megatest.config, exiting")
	    (exit))))
  (let ((hostinfo   (open-run-close tasks:get-best-server tasks:open-db)))
    (if hostinfo
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		      (begin
			(debug:print-info 0 "Waiting for server pid=" pid " to start")
			(sleep 2) ;; give server time to start
			(if (< count 5)
			    (loop (+ count 1)))))))
	      ;; we are starting a server, do not try again! That can lead to 
	      ;; recursively starting many processes!!!
	      (server:client-setup numtries: 0))
	    (debug:print-info 1 "Too many attempts, giving up")))))

;; run server:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (server:keep-running)
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (let* ((server-info (let loop ()
                        (let ((sdat #f))
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *runremote*)








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		      (begin
			(debug:print-info 0 "Waiting for server pid=" pid " to start")
			(sleep 2) ;; give server time to start
			(if (< count 5)
			    (loop (+ count 1)))))))
	      ;; we are starting a server, do not try again! That can lead to 
	      ;; recursively starting many processes!!!
	      (client:setup numtries: 0))
	    (debug:print-info 1 "Too many attempts, giving up")))))

;; run server:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (rpc-server:keep-running)
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  ;; This thread waits for the server to come alive
  (let* ((server-info (let loop ()
                        (let ((sdat #f))
                          (mutex-lock! *heartbeat-mutex*)
                          (set! sdat *runremote*)
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              (tasks:server-deregister-self tdb (get-host-name))
              (thread-sleep! 1)
              (debug:print-info 0 "Max cached queries was " *max-cache-size*)
              (debug:print-info 0 "Server shutdown complete. Exiting")
              (exit)))))))

;; all routes though here end in exit ...
(define (server:launch)
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: cannot find megatest.config, exiting")
	    (exit))))
  (debug:print-info 2 "Starting the standalone server")
  (let ((hostinfo (open-run-close tasks:get-best-server tasks:open-db)))








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              (tasks:server-deregister-self tdb (get-host-name))
              (thread-sleep! 1)
              (debug:print-info 0 "Max cached queries was " *max-cache-size*)
              (debug:print-info 0 "Server shutdown complete. Exiting")
              (exit)))))))

;; all routes though here end in exit ...
(define (rpc-server:launch)
  (if (not *toppath*)
      (if (not (setup-for-run))
	  (begin
	    (debug:print 0 "ERROR: cannot find megatest.config, exiting")
	    (exit))))
  (debug:print-info 2 "Starting the standalone server")
  (let ((hostinfo (open-run-close tasks:get-best-server tasks:open-db)))
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	      (thread-start! th3)
	      (set! *didsomething* #t)
	      (thread-join! th2)
	      )
	    (debug:print 0 "ERROR: Failed to setup for megatest")))
    (exit)))

(define (server:client-signal-handler signum)
  (handle-exceptions
   exn
   (debug:print " ... exiting ...")
   (let ((th1 (make-thread (lambda ()
			     "") ;; do nothing for now (was flush out last call if applicable)
			   "eat response"))
	 (th2 (make-thread (lambda ()
			     (debug:print 0 "ERROR: Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
			     (thread-sleep! 1) ;; give the flush one second to do it's stuff
			     (debug:print 0 "       Done.")
			     (exit 4))
			   "exit on ^C timer")))
     (thread-start! th2)
     (thread-start! th1)
     (thread-join! th2))))

(define (server:client-launch)
  (set-signal-handler! signal/int server:client-signal-handler)
   (if (server:client-setup)
       (debug:print-info 2 "connected as client")
       (begin
	 (debug:print 0 "ERROR: Failed to connect as client")
	 (exit))))









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	      (thread-start! th3)
	      (set! *didsomething* #t)
	      (thread-join! th2)
	      )
	    (debug:print 0 "ERROR: Failed to setup for megatest")))
    (exit)))

Modified runs.scm from [014ca786d2] to [d3996a36c3].

︙︙
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	    (begin 
	      (debug:print 0 "Failed to setup, exiting")
	      (exit 1)))
	(if (args:get-arg "-server")
	    (open-run-close server:start db (args:get-arg "-server")))
 	    ;; (if (not (or (args:get-arg "-runall")     ;; runall and runtests are allowed to be servers
 	    ;;     	 (args:get-arg "-runtests")))
	    ;;     (server:client-setup) ;; This is a duplicate startup!!!??? BUG?
	    ;;     ))
	(set! keys (open-run-close db:get-keys db))
	;; have enough to process -target or -reqtarg here
	(if (args:get-arg "-reqtarg")
	    (let* ((runconfigf (conc  *toppath* "/runconfigs.config")) ;; DO NOT EVALUATE ALL 
		   (runconfig  (read-config runconfigf #f #f environ-patt: #f))) 
	      (if (hash-table-ref/default runconfig (args:get-arg "-reqtarg") #f)








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	    (begin 
	      (debug:print 0 "Failed to setup, exiting")
	      (exit 1)))
	(if (args:get-arg "-server")
	    (open-run-close server:start db (args:get-arg "-server")))
 	    ;; (if (not (or (args:get-arg "-runall")     ;; runall and runtests are allowed to be servers
 	    ;;     	 (args:get-arg "-runtests")))
	    ;;     (client:setup) ;; This is a duplicate startup!!!??? BUG?
	    ;;     ))
	(set! keys (open-run-close db:get-keys db))
	;; have enough to process -target or -reqtarg here
	(if (args:get-arg "-reqtarg")
	    (let* ((runconfigf (conc  *toppath* "/runconfigs.config")) ;; DO NOT EVALUATE ALL 
		   (runconfig  (read-config runconfigf #f #f environ-patt: #f))) 
	      (if (hash-table-ref/default runconfig (args:get-arg "-reqtarg") #f)
︙︙

Modified server.scm from [89b4a7144a] to [58de22ef88]. 

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;; Copyright 2006-2012, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

(require-extension (srfi 18) extras tcp s11n)

(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest zmq)
(import (prefix sqlite3 sqlite3:))

(use spiffy uri-common intarweb http-client spiffy-request-vars)

(declare (unit server))

(declare (uses common))
(declare (uses db))
(declare (uses tests))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses http-transport))
(declare (uses zmq-transport))

(include "common_records.scm")
(include "db_records.scm")














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;; Copyright 2006-2012, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

(require-extension (srfi 18) extras tcp s11n)

(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest zmq)


(use spiffy uri-common intarweb http-client spiffy-request-vars)

(declare (unit server))

(declare (uses common))
(declare (uses db))

(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(declare (uses http-transport))
(declare (uses zmq-transport))

(include "common_records.scm")
(include "db_records.scm")
︙︙

Modified zmq-transport.scm from [e1f3152a02] to [82efec97d4].

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	  (debug:print 0 "ERROR: Failed to open socket to " conurl)
	  #f))))

(define (zmq-transport:client-connect iface pullport pubport)
  (let* ((push-socket (zmq-transport:client-socket-connect iface pullport type: 'push))
	 (sub-socket  (zmq-transport:client-socket-connect iface pubport
						    type: 'sub
						    subscriptions: (list (server:get-client-signature) "all")))
	 (zmq-sockets (vector push-socket sub-socket))
	 (login-res   #f))
    (debug:print-info 11 "zmq-transport:client-connect started. Next is login")
    (set! login-res (server:client-login zmq-sockets))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" pullport "/" pubport ".")
	  (set! *runremote* zmq-sockets)
	  zmq-sockets)
	(begin








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	  (debug:print 0 "ERROR: Failed to open socket to " conurl)
	  #f))))

(define (zmq-transport:client-connect iface pullport pubport)
  (let* ((push-socket (zmq-transport:client-socket-connect iface pullport type: 'push))
	 (sub-socket  (zmq-transport:client-socket-connect iface pubport
						    type: 'sub
						    subscriptions: (list (client:get-signature) "all")))
	 (zmq-sockets (vector push-socket sub-socket))
	 (login-res   #f))
    (debug:print-info 11 "zmq-transport:client-connect started. Next is login")
    (set! login-res (client:login serverdat zmq-sockets))
    (if (and (not (null? login-res))
	     (car login-res))
	(begin
	  (debug:print-info 2 "Logged in and connected to " iface ":" pullport "/" pubport ".")
	  (set! *runremote* zmq-sockets)
	  zmq-sockets)
	(begin
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