Megatest

	(debug:print-error 0 *default-log-port* "command \"/bin/readlink -f " path "\" failed.")
	path) ;; just give up
    (with-input-from-pipe
	(conc "/bin/readlink -f " path)
      (lambda ()
	(read-line)))))

(define (get-cpu-load)
  (car (common:get-cpu-load)))
(define (get-cpu-load #!key (remote-host #f))
  (car (common:get-cpu-load remote-host)))
;;   (let* ((load-res (process:cmd-run->list "uptime"))
;; 	 (load-rx  (regexp "load average:\\s+(\\d+)"))
;; 	 (cpu-load #f))
;;     (for-each (lambda (l)
;; 		(let ((match (string-search load-rx l)))
;; 		  (if match
;; 		      (let ((newval (string->number (cadr match))))
;; 			(if (number? newval)
;; 			    (set! cpu-load newval))))))
;; 	      (car load-res))
;;     cpu-load))

;; get cpu load by reading from /proc/loadavg, return all three values
;;
(define (common:get-cpu-load)
  (with-input-from-file "/proc/loadavg" 
    (lambda ()(list (read)(read)(read)))))
(define (common:get-cpu-load remote-host)
  (if remote-host
      (map (lambda (res)
	     (if (eof-object? res) 9e99 res))
	   (with-input-from-pipe 
	    (conc "ssh " remote-host " cat /proc/loadavg")
	    (lambda ()(list (read)(read)(read)))))
      (with-input-from-file "/proc/loadavg" 
	(lambda ()(list (read)(read)(read))))))

(define (common:wait-for-cpuload maxload numcpus waitdelay #!key (count 1000) (msg #f))
  (let* ((loadavg (common:get-cpu-load))
(define (common:wait-for-cpuload maxload numcpus waitdelay #!key (count 1000) (msg #f)(remote-host #f))
  (let* ((loadavg (common:get-cpu-load remote-host))
	 (first   (car loadavg))
	 (next    (cadr loadavg))
	 (adjload (* maxload numcpus))
	 (loadjmp (- first next)))
    (cond
     ((and (> first adjload)
	   (> count 0))
      (debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load " first " exceeding max of " adjload (if msg msg ""))
      (thread-sleep! waitdelay)
      (common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1)))
     ((and (> loadjmp numcpus)
	   (> count 0))
      (debug:print-info 0 *default-log-port* "waiting " waitdelay " seconds due to load jump " loadjmp " > numcpus " numcpus (if msg msg ""))
      (thread-sleep! waitdelay)
      (common:wait-for-cpuload maxload numcpus waitdelay count: (- count 1))))))

(define (common:get-num-cpus)
(define (common:get-num-cpus remote-host)
  (with-input-from-file "/proc/cpuinfo"
    (lambda ()
      (let loop ((numcpu 0)
		 (inl    (read-line)))
	(if (eof-object? inl)
	    numcpu
	    (loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
		      (+ numcpu 1)
		      numcpu)
		  (read-line)))))))
  (let ((proc (lambda ()
		(let loop ((numcpu 0)
			   (inl    (read-line)))
		  (if (eof-object? inl)
		      numcpu
		      (loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
				(+ numcpu 1)
				numcpu)
			    (read-line)))))))
    (if remote-host
	(with-input-from-pipe 
	 (conc "ssh " remote-host " cat /proc/cpuinfo")
	 proc)
	(with-input-from-file "/proc/cpuinfo" proc))))

;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxload #!key (msg #f))
  (let ((num-cpus (common:get-num-cpus)))
(define (common:wait-for-normalized-load maxload #!key (msg #f)(remote-host #f))
  (let ((num-cpus (common:get-num-cpus remote-host)))
    (common:wait-for-cpuload maxload num-cpus 15 msg: msg)))

(define (get-uname . params)
  (let* ((uname-res (process:cmd-run->list (conc "uname " (if (null? params) "-a" (car params)))))
	 (uname #f))
    (if (null? (car uname-res))
	"unknown"

  ((max-row           0)                 : number)
  ((running-layout    #f)                : boolean)
  (originx            #f)
  (originy            #f)
  ((layout-update-ok  #t)                : boolean)
  ((compact-layout    #t)                : boolean)

  ;; Run times layout
  (graph-button-box #f)
  (graph-matrix     #f)
  ((graph-matrix-table (make-hash-table)) : hash-table)
  ((graph-matrix-row 1) : number)
  ((graph-matrix-col 1) : number)
  ;; ((graph-button-dat (make-hash-table)) : hash-table) ;;RA=> Deprecating buttons as of now

  ;; Controls used to launch runs etc.
  ((command          "")                 : string)      ;; for run control this is the command being built up
  (command-tb        #f)			         
  (key-listboxes     #f)			         
  (key-lbs           #f)			         
  run-name                                              ;; from run name setting widget
  states                                                ;; states for -state s1,s2 ...

  ((path-run-ids       (make-hash-table)) : hash-table) ;; path (target / runname) => id
  (runs-tree           #f)

  ;; tab data
  ((view-changed       #t)                : boolean)   
  ((xadj               0)                 : number)     ;; x slider number (if using canvas)
  ((yadj               0)                 : number)     ;; y slider number (if using canvas)

  ;; runs-summary tab state
  ((runs-summary-modes '((one-run . "Show One Run") (xor-two-runs . "XOR Two Runs") (xor-two-runs-hide-clean . "XOR; Hide Clean")) )   : list)
  ((runs-summary-mode-buttons '())               : list)
  ((runs-summary-mode  'one-run)            : symbol)
  ((runs-summary-mode-change-callbacks '()) : list)
  (runs-summary-source-runname-label #f)
  (runs-summary-dest-runname-label #f)

			   (color      (car (gutils:get-color-for-state-status teststate teststatus)))
			   (curr-color (vector-ref buttondat 1)) ;; (iup:attribute button "BGCOLOR"))
			   (curr-title (vector-ref buttondat 2))) ;; (iup:attribute button "TITLE")))
		      (if (not (equal? curr-color color))
			  (iup:attribute-set! button "BGCOLOR" color))
		      (if (not (equal? curr-title buttontxt))
			  (iup:attribute-set! button "TITLE"   buttontxt))
                      ;;(print "RA => testdat " testdat " teststate " teststate " teststatus " teststatus " buttondat " buttondat " curr-color " curr-color  " curr-title " curr-title "buttontxt" buttontxt " title " curr-title )
		      (vector-set! buttondat 0 run-id)
		      (vector-set! buttondat 1 color)
		      (vector-set! buttondat 2 buttontxt)
		      (vector-set! buttondat 3 testdat)
		      (vector-set! buttondat 4 run-key)))
		(set! rown (+ rown 1))))
	    (dboard:tabdat-all-test-names tabdat)))

			  (dboard:tabdat-compact-layout-set! tabdat #t))
		      (dboard:tabdat-last-filter-str-set! tabdat "")
		      )
		    "text-list-toggle-box"))))
      (dcommon:command-runname-selector commondat tabdat tab-num: tab-num)
      (dcommon:command-testname-selector commondat tabdat update-keyvals))
     (iup:vbox
      (iup:split
       #:orientation "HORIZONTAL"
       #:value 800
      (let* ((cnv-obj (iup:canvas 
		       ;; #:size "500x400"
		       #:expand "YES"
		       #:scrollbar "YES"
		       #:posx "0.5"
		       #:posy "0.5"
		       #:action (make-canvas-action

					  (vg:drawing-scalex-set! drawing
								  (+ scalex
								     (if (> step 0)
									 (* scalex  0.02)
									 (* scalex -0.02))))))
				      "wheel-cb"))
		       )))
	cnv-obj)))))
	cnv-obj)
      (let* ((hb1 (iup:hbox))
             (graph-matrix-table (dboard:tabdat-graph-matrix-table tabdat))
             (curr-column-num 0)
             (graph-matrix (iup:matrix
                           #:alignment1 "ALEFT"
                           #:expand "YES" ;; "HORIZONTAL"
                           #:numcol 10
                           #:numlin 20
                           #:numcol-visible (min 10)
                           #:numlin-visible 1)))
        (dboard:tabdat-graph-matrix-set! tabdat graph-matrix)
        (iup:attribute-set! graph-matrix "WIDTH0" 0)
        (iup:attribute-set! graph-matrix "HEIGHT0" 0)
        graph-matrix))
        ;;(hash-table-set! graph-matrix-table 'graph1 "color1")
        ;;(hash-table-set! graph-matrix-table 'graph2 "color2")
        ;; (for-each
        ;;  (lambda (name-key)
        ;;    (print "hash-table-key : " name-key)
        ;;    (iup:attribute-set! graph-matrix (conc "0:" curr-column-num) name-key)
        ;;    ;; set the color to the value of mame-key in the table
        ;;    (set! curr-column-num (+ 1 curr-column-num)))
        ;;  (hash-table-keys graph-matrix-table))
        ;; (iup:split
        ;;  #:orientation "HORIZONTAL" ;; "HORIZONTAL"
        ;;  #:value 50
        ;;  (iup:label "Graph")
        ;;  graph-matrix))
      ))))

;;======================================================================
;; R U N
;;======================================================================
;;
;; display and manage a single run at a time

                                   (col-num   (cadr (assoc col-name col-indices)))
                                   (key       (conc row-num ":" col-num)))
                              (hash-table-set! cell-lookup key test-id)
                              (if (not (equal? (iup:attribute run-matrix key) (cadr value)))
                                  (begin
                                    (set! changed #t)
                                    (iup:attribute-set! run-matrix key (cadr value))
                                    (print "RA=> value" (car value))
                                    (iup:attribute-set! run-matrix (conc "BGCOLOR" key) (car value))))))
                          matrix-content)
                
                ;; Col labels - do after setting Cell contents so they are accounted for in the size calc.
                
                (for-each (lambda (ind)
                            (let* ((name (car ind))

      "Clean Complete Run"
      #:action
      (lambda (obj)
        (common:run-a-command
         (conc "megatest -remove-runs -target " target
               " -runname " runname
               " -testpatt % "))))
     (iup:menu-item ;; RADT => itemize this run lists before merging with v1.61
     (iup:menu-item 
      "Kill Complete Run"
      #:action
      (lambda (obj)
        (common:run-a-command
         (conc "megatest -set-state-status KILLREQ,n/a -target " target
               " -runname " runname
               " -testpatt % "

					    fieldname
					    (cons
					     (apply vector tstart (cdr zeropt))						    
					     (hash-table-ref/default res-ht fieldname '())))))))
		 fields)
		res-ht)
	      #f)))))
  

;; graph data 
;;  tsc=timescale, tfn=function; time->x
;;
(define (dboard:graph commondat tabdat tabnum llx lly ulx uly tstart tend tsc tfn compname cmargin)
  (let* ((dwg      (dboard:tabdat-drawing tabdat))
	 (lib      (vg:get/create-lib dwg "runslib"))
	 (cnv      (dboard:tabdat-cnv tabdat))
	 (dur      (- tstart tend)) ;; time duration
	 (cmp      (vg:get-component dwg "runslib" compname))
	 (cfg      (configf:get-section *configdat* "graph"))
	 (stdcolor (vg:rgb->number 120 130 140))
	 (delta-y  (- uly lly)))
	 (delta-y  (- uly lly))
         (graph-matrix-table (dboard:tabdat-graph-matrix-table tabdat))
         (graph-matrix (dboard:tabdat-graph-matrix tabdat))
         (changed      #f))
    (vg:add-obj-to-comp
     cmp 
     (vg:make-rect-obj llx lly ulx uly))
    (vg:add-obj-to-comp
     cmp
     (vg:make-text-obj (- (tfn tstart) 10)(- lly 10)(seconds->year-week/day-time tstart)))
    (let*-values (((span timeunit time-blk first timesym) (common:find-start-mark-and-mark-delta tstart tend)))

     (lambda (cf)
       (let* ((alldat  (dboard:graph-read-data (cadr cf) tstart tend)))
	 (if alldat
	     (for-each
	      (lambda (fieldn)
		(let* ((dat     (hash-table-ref alldat fieldn))
		       (vals    (map (lambda (x)(vector-ref x 2)) dat)))
                  (if (not (hash-table-exists? graph-matrix-table fieldn))
                      ;;(print fieldn "exists")
                      (begin
                        (let* ((graph-color-rgb (vg:generate-color-rgb))
                               (graph-color (vg:iup-color->number graph-color-rgb))
                               (graph-matrix-col (dboard:tabdat-graph-matrix-col tabdat))
                               (graph-matrix-row (dboard:tabdat-graph-matrix-row tabdat)))
                          (hash-table-set! graph-matrix-table fieldn graph-color)
                          (print "Graph data " graph-matrix-row " " graph-matrix-col " " fieldn " " graph-color " " graph-color-rgb)
                          (set! changed #t)
                          (iup:attribute-set! graph-matrix (conc graph-matrix-row ":"  graph-matrix-col) fieldn)
                          (iup:attribute-set! graph-matrix (conc "BGCOLOR" (conc graph-matrix-row ":"  graph-matrix-col)) graph-color-rgb)
                          (if (> graph-matrix-col 10)
                              (begin
                                (dboard:tabdat-graph-matrix-col-set! tabdat 1)
                                (dboard:tabdat-graph-matrix-row-set! tabdat (+ graph-matrix-row 1)))
                              (dboard:tabdat-graph-matrix-col-set! tabdat (+ graph-matrix-col 1)))
                          )))
		  (if (not (null? vals))
		      (let* ((maxval   (apply max vals))
			     (minval   (min 0 (apply min vals)))
			     (yoff     (- minval lly)) ;;  minval))
			     (deltaval (- maxval minval))
			     (yscale   (/ delta-y (if (zero? deltaval) 1 deltaval)))
			     (yfunc    (lambda (y)(+ lly (* yscale (- y minval))))) ;; (lambda (y)(* (+ y yoff) yscale))))
                             (graph-color (vg:generate-color)))
			;; (print (car cf) "; maxval: " maxval " minval: " minval " deltaval: " deltaval " yscale: " yscale)
                             (graph-color (hash-table-ref graph-matrix-table fieldn)))
                        ;; set to hash-table value for fieldn
			(vg:add-obj-to-comp
			 cmp 
			 (vg:make-text-obj (- llx 10)(yfunc maxval) (conc maxval)))
			(vg:add-obj-to-comp
			 cmp 
			 (vg:make-text-obj (- llx 10)(yfunc minval) (conc minval)))
			(fold 

			;;      (vg:add-obj-to-comp
			;;       cmp 
			;;       (vg:make-rect-obj (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
			;; 			fill-color: stdcolor))))
			;;  dat)
			)))) ;; for each data point in the series
	      (hash-table-keys alldat)))))
     cfg)))
     cfg)
    (if changed (iup:attribute-set! graph-matrix "REDRAW" "ALL"))))
	 
;; run times tab
;;
(define (dashboard:run-times-tab-layout-updater commondat tabdat tab-num)
  ;; each test is an object in the run component
  ;; each run is a component
  ;; all runs stored in runslib library

	      (if (> megatest-version (common:get-last-run-version-number))
		  (debug:print-info 0 *default-log-port* "Version bump detected, blocking until db sync complete")
		  (thread-join! th1)))))
    (let* ((commondat       (dboard:commondat-make)))
      ;; Move this stuff to db.scm? I'm not sure that is the right thing to do...
      (cond 
       ((args:get-arg "-test") ;; run-id,test-id
	(let* ((dat     (let ((d (map string->number (string-split (args:get-arg "-test") ",")))) ;; RADT couldn't find string->number, though it works
      (let* ((dat     (let ((d (map string->number (string-split (args:get-arg "-test") ",")))) 
			  (if (> (length d) 1)
			      d
			      (list #f #f))))
	       (run-id  (car dat))
	       (test-id (cadr dat)))
	  (if (and (number? run-id)
		   (number? test-id)

(define (db:general-sqlite-error-dump exn stmt . params)
  (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn))) ;; RADT ... how does this work?
    ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
    (print "err-status: " err-status)
    (debug:print-error 0 *default-log-port* " query " stmt " failed, params: " params ", error: " ((condition-property-accessor 'exn 'message) exn))
    (print-call-chain (current-error-port))))

;; convert to -inline
;; convert to -inline 
;;
(define (db:first-result-default db stmt default . params)
  (handle-exceptions
   exn
   (let ((err-status ((condition-property-accessor 'sqlite3 'status #f) exn)))
     ;; check for (exn sqlite3) ((condition-property-accessor 'exn 'message) exn)
     (if (eq? err-status 'done)

			     (eq? run-id 0))
			 (db:open-main dbstruct)
			 (db:open-rundb dbstruct run-id)
			 )))
	  dbdat))))

;; legacy handling of structure for managing db's. Refactor this into dbr:?
;;
(define (db:dbdat-get-db dbdat)
  (if (pair? dbdat)
      (car dbdat)
      dbdat))

(define (db:dbdat-get-path dbdat)
  (if (pair? dbdat)

;; (db:with-db dbstruct run-id sqlite3:exec "select blah from blaz;")
;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;;
(define (db:with-db dbstruct run-id r/w proc . params)
  (let* ((dbdat (if (dbr:dbstruct? dbstruct)
		    (db:get-db dbstruct run-id)
		    dbstruct)) ;; cheat, allow for passing in a dbdat
	 (db    (db:dbdat-get-db dbdat)))
	 (db    (db:dbdat-get-db dbdat))) 
    (handle-exceptions
     exn
     (begin
       (debug:print-error 0 *default-log-port* "sqlite3 issue in db:with-db, dbstruct=" dbstruct ", run-id=" run-id ", proc=" proc ", params=" params " error: " ((condition-property-accessor 'exn 'message) exn))
       (print-call-chain (current-error-port)))
     (let ((res (apply proc db params)))
       (if (vector? dbstruct)(db:done-with dbstruct run-id r/w))

    (handle-exceptions
     exn
     (begin
       (debug:print-error 0 *default-log-port* "Couldn't create path to " dbdir)
       (exit 1))
     (if (not (directory? dbdir))(create-directory dbdir #t)))
    (if fname
	(conc dbdir "/" fname)
	(conc dbdir "/" fname) 
	dbdir)))

;; Returns the database location as specified in config file
;;
(define (db:get-dbdir)
  (or (configf:lookup *configdat* "setup" "dbdir")
      (conc (configf:lookup *configdat* "setup" "linktree") "/.db")))

		      (map cdr (hash-table->alist tests-hash)) ;; return a list of the most recent tests
		      (loop (car tal)(cdr tal))))))))))

;; Function recursively checks if <db>.journal exists; if yes means db busy; call itself after delayed interval
;; return the sqlite3 db handle if possible
;; 
(define (db:delay-if-busy dbdat #!key (count 6))
  (if (not (configf:lookup *configdat* "server" "delay-on-busy")) ;;RADT => two conditions in a if block?? also understand what config looked up
  (if (not (configf:lookup *configdat* "server" "delay-on-busy")) 
      (and dbdat (db:dbdat-get-db dbdat))
      (if dbdat
	  (let* ((dbpath (db:dbdat-get-path dbdat))
		 (db     (db:dbdat-get-db   dbdat)) ;; we'll return this so (db:delay--if-busy can be called inline
		 (dbfj   (conc dbpath "-journal")))
	    (if (handle-exceptions
		 exn
		 (begin
		   (debug:print-info 0 *default-log-port* "WARNING: failed to test for existance of " dbfj)
		   (thread-sleep! 1)
		   (db:delay-if-busy count (- count 1)))
		   (db:delay-if-busy count (- count 1))) 
		 (file-exists? dbfj))
		(case count
		  ((6)
		   (thread-sleep! 0.2)
		   (db:delay-if-busy count: 5))
		  ((5)
		   (thread-sleep! 0.4)

		   (db:delay-if-busy count: 1))
		  ((1)
		   (thread-sleep! 6.4)
		   (db:delay-if-busy count: 0))
		  (else
		   (debug:print-info 0 *default-log-port* "delaying db access due to high database load.")
		   (thread-sleep! 12.8))))
	    db) ;; RADT => why does it need to return db, not #t
	    db) 
	  "bogus result from db:delay-if-busy")))

(define (db:test-get-records-for-index-file dbstruct run-id test-name)
  (let ((res '()))
    (db:with-db
     dbstruct
     run-id

					(debug:print-error 0 *default-log-port* "prereqs-not-met is not a list! " prereqs-not-met)
					'())))
	 (non-completed           (filter (lambda (x)             ;; remove hed from not completed list, duh, of course it is not completed!
					    (not (equal? x hed)))
					  (runs:calc-not-completed prereqs-not-met)))
	 (loop-list               (list hed tal reg reruns))
	 ;; configure the load runner
	 (numcpus                 (common:get-num-cpus))
	 (numcpus                 (common:get-num-cpus #f))
	 (maxload                 (string->number (or (configf:lookup *configdat* "jobtools" "maxload") "3")))
	 (waitdelay               (string->number (or (configf:lookup *configdat* "jobtools" "waitdelay") "60"))))
    (debug:print-info 4 *default-log-port* "have-resources: " have-resources " prereqs-not-met: (" 
		      (string-intersperse 
		       (map (lambda (t)
			      (if (vector? t)
				  (conc (db:test-get-state t) "/" (db:test-get-status t))

	     ;; match current ip or hostname
	     (not (string-match (conc "("curr-host "|" curr-host"\\..*)") target-host))
	     (not (equal? curr-ip target-host)))
	(begin
	  (debug:print-info 0 *default-log-port* "Starting server on " target-host ", logfile is " logfile)
	  (setenv "TARGETHOST" target-host)))
    (setenv "TARGETHOST_LOGF" logfile)
    (common:wait-for-normalized-load 4 " delaying server start due to load") ;; do not try starting servers on an already overloaded machine, just wait forever
    (common:wait-for-normalized-load 4 " delaying server start due to load" remote-host: (get-environment-variable "TARGETHOST")) ;; do not try starting servers on an already overloaded machine, just wait forever
    (system (conc "nbfake " cmdln))
    (unsetenv "TARGETHOST_LOGF")
    (if (get-environment-variable "TARGETHOST")(unsetenv "TARGETHOST"))
    ;; (system cmdln)
    (pop-directory)))

(define (server:get-client-signature)

(define (vg:rgb->number r g b #!key (a 0))
  (bitwise-ior
    (arithmetic-shift a 24)
    (arithmetic-shift r 16)
    (arithmetic-shift g 8)
    b))

;; Obsolete function
;;
(define (vg:generate-color)
  (vg:rgb->number (random 255)
                  (random 255)
                  (random 255)))
  ;;(vg:rgb->number 0 0 0))

;; Need to return a string of random iup-color for graph
;;
(define (vg:generate-color-rgb)
  (conc (number->string (random 255)) " "
        (number->string (random 255)) " "
        (number->string (random 255))))

(define (vg:iup-color->number iup-color)
  (apply vg:rgb->number (map string->number (string-split iup-color))))

;;======================================================================
;; graphing
;;======================================================================