Megatest

			(exit 1))))
		'("MT_RUN_AREA_HOME" "MT_MEGATEST" "MT_CMDINFO" "MT_TEST_RUN_DIR" "MT_LINKTREE" "MT_TESTSUITENAME"))
      (print ". Done. All ok.")))

(if (not (null? remargs))
    (begin
      (print "Unrecognised arguments: " (string-intersperse remargs " "))
      ))

(if (args:get-arg "-h")
    (begin
      (print help)
      (exit)))

(if (args:get-arg "-start-dir")

				      (begin
					(if (dboard:tabdat-layout-update-ok tabdat)
					    (runloop (car runtal)(cdr runtal) (+ run-num 1) newdoneruns)
					    (escapeloop #t) ;; (dboard:tabdat-layout-update-ok tabdat)
					    ))))))))) ;;  new-run-start-row
		)))
	(debug:print 2 *default-log-port* "no tabdat for run-times-tab-updater"))))

(define (dashboard:calc-key-patterns tabdat)
  ;; generate key patterns from the target stored in tabdat
  (let* ((dbkeys  (dboard:tabdat-dbkeys tabdat)))
    (let ((fres   (if (dboard:tabdat-target tabdat)
		      (let ((ptparts (append (dboard:tabdat-target tabdat)(make-list (length dbkeys) "%"))))
			(map (lambda (k v)(list k v)) dbkeys ptparts))
		      (let ((res '()))
			(for-each (lambda (key)
				    (if (not (equal? key "runname"))
					(let ((val (hash-table-ref/default (dboard:tabdat-searchpatts tabdat) key #f)))
					  (if val (set! res (cons (list key val) res))))))
				  dbkeys)
			res))))
      fres)))


;; handy trick for printing a record
;;
;;   (pp (dboard:tabdat->alist tabdat))
;; 
;;  removing the tabdat-values proc 
;;
;; (define (tabdat-values tabdat)

;; runs update-rundat using the various filters from the gui
;;
(define (dashboard:do-update-rundat tabdat)


  (let* ((runnamepatt (hash-table-ref/default (dboard:tabdat-searchpatts tabdat) "runname" "%"))
	 (numruns     (dboard:tabdat-numruns tabdat))
	 (testnamepatt (hash-table-ref/default (dboard:tabdat-searchpatts tabdat) "test-name" "%/%"))
	 (keypatts     (dashboard:calc-key-patterns tabdat)))
    (dboard:update-rundat
     tabdat




     runnamepatt



     numruns
     testnamepatt
     keypatts)))

(define (dashboard:runs-tab-updater commondat tab-num)
  (debug:catch-and-dump 
   (lambda ()
     (let* ((tabdat (dboard:common-get-tabdat commondat tab-num: tab-num))
	    (dbkeys (dboard:tabdat-dbkeys tabdat)))
       (dashboard:do-update-rundat tabdat)

(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
      		      (args:get-arg "-debug-noprop")
      		      (get-environment-variable "MT_DEBUG_MODE"))))
    (verbosity (debug:calc-verbosity debugstr 'q))
    (debug:check-verbosity (verbosity) debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not (verbosity))(verbosity 1))
    (if (and (not (args:get-arg "-debug-noprop"))
      	     (or (args:get-arg "-debug")
      		 (not (get-environment-variable "MT_DEBUG_MODE"))))
      	(set-environment-variable! "MT_DEBUG_MODE" (if (list? (verbosity))
      				    (string-intersperse (map conc (verbosity)) ",")
      				    (conc (verbosity)))))))

    (if (> (- currtime lasttime) waitval)
	(begin
	  (hash-table-set! *runs:denoise* key currtime)
	  #t)
	#f)))

(define *too-soon-delays* (make-hash-table))
(define *last-test-launch* 0)

;; to-soon delay, when matching event happened in less than dseconds delay wseconds
;;
(define (runs:too-soon-delay key dseconds wseconds)
  (let* ((last-time (hash-table-ref/default *too-soon-delays* key #f)))
    (if (and (> (- (current-seconds) *last-test-launch*) 5) ;; be aggressive for five seconds after starting a test
	     last-time
	     (< (- (current-seconds) last-time) dseconds))
	(begin
	  (debug:print-info 4 *default-log-port* "Whoa, slow down there ... "key" has been too recently seen.")
	  (thread-sleep! wseconds)))
    (hash-table-set! *too-soon-delays* key (current-seconds))))

(define (runs:can-run-more-tests runsdat run-id jobgroup max-concurrent-jobs)

		    (not (member 'exclusive testmode)))))
      ;; (hash-table-delete! *max-tries-hash* (db:test-make-full-name test-name item-path))
      ;; we are going to reset all the counters for test retries by setting a new hash table
      ;; this means they will increment only when nothing can be run
      (set! *max-tries-hash* (make-hash-table))
      
      (run:test run-id run-info keyvals runname test-record flags #f test-registry all-tests-registry runsdat testdat)
      (set! *last-test-launch* (current-seconds))
      (runs:incremental-print-results run-id)
      (hash-table-set! test-registry (db:test-make-full-name test-name item-path) 'running)
      (runs:shrink-can-run-more-tests-count runsdat)  ;; DELAY TWEAKER (still needed?)
      ;; (thread-sleep! *global-delta*)
      (if (or (not (null? tal))(not (null? reg)))
	  (runs:loop-values tal reg reglen regfull reruns) ;; hed should be dropped at this time
	  #f))

all : ulex.pdf ulex.png

ulex.pdf : ulex.dot
	dot -Tpdf ulex.dot -o ulex.pdf

ulex.png : ulex.dot
	dot -Tpng ulex.dot -o ulex.png

//  Copyright 2006-2017, Matthew Welland.
// 
// This file is part of Megatest.
// 
//     Megatest is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
// 
//     Megatest is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
// 
//     You should have received a copy of the GNU General Public License
//     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.

digraph G {

  // graph[center=true, margin=0.2, nodesep=0.1, ranksep=0.3]

  layout=neato;
  // layout=fdp;
  // overlap=scalexy; //false, compress, ...
  overlap=scalexy;
  // sep="+1"; // 0.1, +1
  sep="-0.1";
 
  user_program [label="user program"];
  
  subgraph cluster_1 {
    node [style=filled,shape=oval];
    label = "caller";
    color=brown;

    send_receive [label="(send-receive uconn\n   host-port qrykey cmd data)"];
    send [label="(send uconn host-port\n    qrykey cmd data)"];
    ulex_cmd_loopcaller [label="(ulex-cmd-loop uconn)"];
    ulex_handlercaller [label="(ulex-handler uconn rdat)"];
    mailbox [label="mailbox\n\nrdat\n...",shape=box];
    
    send_receive -> send;
    ulex_cmd_loopcaller -> ulex_handlercaller;
    ulex_handlercaller -> mailbox;
    mailbox -> send_receive;
  }

  subgraph cluster_2 {
    node [shape=oval];
    label = "listener";
    color=green;

    ulex_cmd_loop [label="(ulex-cmd-loop uconn)"];
    ulex_handler [label="(ulex-handler \nuconn rdat)"];
    add_to_work_queue [label="(add-to-work-queue\n  uconn rdat)"];
    queue [label="queue\n\nrdat\n...",shape=box];
    process_work_queue [label="(process-work-queue uconn)"];
    do_work [label="(do-work uconn rdat)\nrdat: '(rem-host-port qrykey cmd params)"];
    user_proc [label="(proc rem-host-port\n    qrykey cmd params)\n;; proc supplied by user"];
    sendlis [label="(send uconn host-port\n    qrykey 'response result)"];
    
    ulex_cmd_loop -> ulex_handler [label="rdat"];
    ulex_handler -> add_to_work_queue [label="rdat"];

    add_to_work_queue -> queue [label="rdat"];

    subgraph cluster_3 {
      label = "remote work";
      color=blue;
      
      queue -> process_work_queue [label="rdat"];
      process_work_queue -> do_work [label="rdat"];
      do_work -> user_proc; // [label="rdat: '(rem-host-port\n   qrykey cmd params)"];
    }
  }

  user_proc -> sendlis;
  user_program -> send_receive;
  send_receive -> user_program;
  
  send -> ulex_cmd_loop [label="rdat: '(host-port\n  qrykey cmd data)"];
  sendlis -> ulex_cmd_loopcaller [label="rdat: '(host-port qrykey\n  'response result)"];
  ulex_handler -> send [label="'ack"];
  ulex_handlercaller -> sendlis [label="'ack"];
  
}


// 	check_available_queue       -> remove_entries_over_10s_old;
// 	remove_entries_over_10s_old -> set_available [label="num_avail < 3"];
// 	remove_entries_over_10s_old -> exit [label="num_avail > 2"];
// 
// 	set_available               -> delay_2s;
// 	delay_2s          -> check_place_in_queue;
// 
// 	check_place_in_queue        -> "http:transport-launch" [label="at head"];
// 	check_place_in_queue        -> exit [label="not at head"];
// 
// 	"client:login"              -> "server:shutdown" [label="login failed"];
// 	"server:shutdown"           -> exit;	
// 
// 	subgraph cluster_2 {
// 		"http:transport-launch"       -> "http:transport-run";
// 		"http:transport-launch"       -> "http:transport-keep-running";
// 
// 		"http:transport-keep-running" -> "tests running?";
// 		"tests running?"              -> "client:login" [label=yes];
// 		"tests running?"              -> "server:shutdown" [label=no];
// 		"client:login"                -> delay_5s [label="login ok"];
// 		delay_5s                      -> "http:transport-keep-running";
// 	}
// 
	// start_server -> "server_running?";
	// "server_running?" -> set_available [label="no"];
	// "server_running?" -> delay_2s [label="yes"];
	// delay_2s -> "still_running?";
	// "still_running?" -> ping_server [label=yes];
	// "still_running?" -> set_available [label=no];
	// ping_server -> exit [label=alive];
	// ping_server -> remove_server_record [label=dead];
	// remove_server_record -> set_available;
	// set_available -> avail_delay [label="delay 3s"];
	// avail_delay -> "first_in_queue?";
	// 
	// "first_in_queue?" -> set_running [label=yes];
	// set_running -> get_next_port -> handle_requests;
	// "first_in_queue?" -> "dead_entry_in_queue?" [label=no];
	// "dead_entry_in_queue?" -> "server_running?" [label=no];
	// "dead_entry_in_queue?" -> "remove_dead_entries" [label=yes];
	// remove_dead_entries -> "server_running?";
	// 
	// handle_requests -> start_shutdown [label="no traffic\nno running tests"];
	// handle_requests -> shutdown_request;
	// start_shutdown -> shutdown_delay;
	// shutdown_request -> shutdown_delay;
	// shutdown_delay -> exit;