Megatest

  (let ((best     #f)
	(bestsize 0))
    (for-each 
     (lambda (disk-num)
       (let* ((dirpath    (cadr (assoc disk-num disks)))
	      (freespc    (cond
			   ((not (directory? dirpath))
			    (if (common:low-noise-print 300 "disks not a dir " disk-num)
				(debug:print 0 "WARNING: disk " disk-num " at path \"" dirpath "\" is not a directory - ignoring it."))
			    -1)
			   ((not (file-write-access? dirpath))
			    (if (common:low-noise-print 300 "disks not writeable " disk-num)
				(debug:print 0 "WARNING: disk " disk-num " at path \"" dirpath "\" is not writeable - ignoring it."))
			    -1)
			   ((not (eq? (string-ref dirpath 0) #\/))
			    (if (common:low-noise-print 300 "disks not a proper path " disk-num)
				(debug:print 0 "WARNING: disk " disk-num " at path \"" dirpath "\" is not a fully qualified path - ignoring it."))
			    -1)
			   (else
			    (get-df dirpath)))))
	 (if (> freespc bestsize)
	     (begin
	       (set! best     (cons disk-num dirpath))

(use iup)

(define *debugger-control* #f)
(define *debugger-rownum*  0)
(define *debugger-matrix*  #f)
(define *debugger*         #f)

(define (debugger)
  (if (not *debugger*)
      (set! *debugger* 
	    (thread-start!
	     (make-thread
	      (lambda ()
		(show
		 (dialog
		  (let ((pause #f)
			(mtrx  (matrix
				#:expand "YES"
				#:numlin 30
				#:numcol 3
				#:numlin-visible 20
				#:numcol-visible 2
				#:alignment1 "ALEFT"
				)))
		    (set! pause (button "Pause" 
					#:action (lambda (obj)
						   (set! *debugger-control* (not *debugger-control*))
						   (attribute-set! pause "BGCOLOR" (if *debugger-control*
										       "200 0 0"
										       "0 0 200")))))
		    (set! *debugger-matrix* mtrx)
		    (attribute-set! mtrx "WIDTH1" "300")
		    (vbox
		     mtrx
		     (hbox
		      pause)))))
		(main-loop)))))))

(define (debugger-start #!key (start 2))
  (set! *debugger-rownum* start))

(define (debugger-trace-var varname varval)
  (let ((oldval (attribute *debugger-matrix* (conc *debugger-rownum* ":1")))
	(newval (conc varval)))
    (if (not (equal? oldval newval))
	(begin
	  ;; (print "DEBUG: " varname " = " newval)
	  (attribute-set! *debugger-matrix* (conc *debugger-rownum* ":0") varname)
	  (attribute-set! *debugger-matrix* (conc *debugger-rownum* ":1") (conc varval))
	  ;; (attribute-set! *debugger-matrix* "FITTOTEXT" "C1")
	  ))
    (set! *debugger-rownum* (+ *debugger-rownum* 1))))


(define (debugger-pauser)
  (debugger)
  (attribute-set! *debugger-matrix* "REDRAW" "ALL")
  (let loop ()
    (if *debugger-control*
	(begin
	  (print "PAUSED!")
	  (thread-sleep! 1)
	  (loop))
	;;(thread-sleep! 0.01)
	)))
		  
;;    ;; lets use the debugger eh?
;;    (debugger-start)
;;    (debugger-trace-var "can-run-more"     can-run-more)
;;    (debugger-trace-var "hed"              hed)
;;    (debugger-trace-var "prereqs-not-met"  (runs:pretty-string prereqs-not-met))
;;    (debugger-pauser)

	(if (tasks:server-running-or-starting? (db:delay-if-busy (tasks:open-db)) run-id)
	    (client:setup run-id)
	    #f))))

(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)) ;; start attemptnum at 1 so the modulo below works as expected
  ;; clean out old connections
  ;; (mutex-lock! *db-multi-sync-mutex*)
  (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 (vector? 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")
               ;; SHOULD CLOSE THE CONNECTION HERE
	       (case *transport-type*
		 ((nmsg)(nn-close (http-transport:server-dat-get-socket 
				   (hash-table-ref *runremote* run-id)))))
               (hash-table-delete! *runremote* run-id)))))
     (hash-table-keys *runremote*)))
  ;; (mutex-unlock! *db-multi-sync-mutex*)
  ;; (mutex-lock! *send-receive-mutex*)
  (let* ((run-id          (if rid rid 0))
	 (connection-info (rmt:get-connection-info run-id)))
    ;; the nmsg method does the encoding under the hood (the http method should be changed to do this also)
    (if connection-info
	;; use the server if have connection info
	(let* ((dat     (case *transport-type*

;; (declare (uses filedb))

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

(include "debugger.scm")

(define (runs:test-get-full-path test)
  (let* ((testname (db:test-get-testname   test))
	 (itempath (db:test-get-item-path test)))
    (conc testname (if (equal? itempath "") "" (conc "(" itempath ")")))))

				 ((and job-group-limit
				       (>= num-running-in-jobgroup job-group-limit))
				  (if (runs:lownoise (conc "maxjobgroup " jobgroup) 60)
				      (debug:print 1 "WARNING: number of jobs " num-running-in-jobgroup 
						   " in jobgroup \"" jobgroup "\" exceeds limit of " job-group-limit))
				  #t)
				 (else #f))))
	  ;; lets use the debugger eh?
	  (debugger-start start: 15)
	  (debugger-trace-var "runs:can-run-more-tests" "")
	  (debugger-trace-var "can-not-run-more"         can-not-run-more)
	  (debugger-trace-var "num-running"              num-running)
	  (debugger-trace-var "num-running-in-jobgroup"  num-running-in-jobgroup)
	  (debugger-trace-var "job-group-limit"          job-group-limit)
	  (debugger-pauser)
	  (list (not can-not-run-more) num-running num-running-in-jobgroup max-concurrent-jobs job-group-limit)))))


;;  test-names: Comma separated patterns same as test-patts but used in selection 
;;              of tests to run. The item portions are not respected.
;;              FIXME: error out if /patt specified
;;            

		      "\n fails:           " (runs:pretty-string fails)
		      "\n testmode:        " testmode
		      "\n (member 'toplevel testmode): " (member 'toplevel testmode)
		      "\n (null? non-completed):    " (null? non-completed)
		      "\n reruns:          " reruns
		      "\n items:           " items
		      "\n can-run-more:    " can-run-more)

    ;; lets use the debugger eh?
    (debugger-start start: 2)
    (debugger-trace-var "runs:expand-items" "")
    (debugger-trace-var "can-run-more"     can-run-more)
    (debugger-trace-var "hed"              hed)
    (debugger-trace-var "prereqs-not-met"  (runs:pretty-string prereqs-not-met))
    (debugger-pauser)

    (cond
     ;; all prereqs met, fire off the test
     ;; or, if it is a 'toplevel test and all prereqs not met are COMPLETED then launch

     ((and (not (member 'toplevel testmode))
	   (member (hash-table-ref/default test-registry (db:test-make-full-name hed item-path) 'n/a)

		     "\n  num-retries: " num-retries
		     "\n  tal:         " tal
		     "\n  reruns:      " reruns
		     "\n  regfull:     " regfull
		     "\n  reglen:      " reglen
		     "\n  length reg:  " (length reg)
		     "\n  reg:         " reg)

	;; lets use the debugger eh?
	(debugger-start start: 7)
	(debugger-trace-var "runs:run-tests-queue" "")
	(debugger-trace-var "hed"              hed)
	(debugger-trace-var "tal"              tal)
	(debugger-trace-var "items"            items)
	(debugger-trace-var "item-path"        item-path)
	(debugger-trace-var "waitons"          waitons) 
	(debugger-pauser)


	;; check for hed in waitons => this would be circular, remove it and issue an
	;; error
	(if (member test-name waitons)
	    (begin
	      (debug:print 0 "ERROR: test " test-name " has listed itself as a waiton, please correct this!")
	      (set! waiton (filter (lambda (x)(not (equal? x hed))) waitons))))