Megatest

(define getenv get-environment-variable)

(define home (getenv "HOME"))
(define user (getenv "USER"))

;; global gletches
(define *db-keys* #f)
(define *configinfo* #f)
(define *configdat*  #f)
(define *toppath*    #f)
(define *already-seen-runconfig-info* #f)
(define *waiting-queue*     (make-hash-table))
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus*  0) ;; attempt to work around possible thread issues
(define *passnum*           0) ;; when running track calls to run-tests or similar
(define *verbosity*         1)
(define *rpc:listener*      #f) ;; if set up for server communication this will hold the tcp port
(define *runremote*         #f) ;; if set up for server communication this will hold <host port>
(define *last-db-access*    0)  ;; update when db is accessed via server
(define *target*            (make-hash-table)) ;; cache the target here; target is keyval1/keyval2/.../keyvalN
(define *keys*              (make-hash-table)) ;; cache the keys here
(define *keyvals*           (make-hash-table))
(define *toptest-paths*     (make-hash-table)) ;; cache toptest path settings here
(define *test-paths*        (make-hash-table)) ;; cache test-id to test run paths here
(define *test-ids*          (make-hash-table)) ;; cache run-id, testname, and item-path => test-id
(define *test-info*         (make-hash-table)) ;; cache the test info records, update the state, status, run_duration etc. from testdat.db

(define *run-info-cache* (make-hash-table)) ;; run info is stable, no need to reget

(define (get-with-default val default)
  (let ((val (args:get-arg val)))
    (if val val default)))

(define (assoc/default key lst . default)

	(newstatus  #f)
	(newstate   #f))
    (iup:frame
     #:title "Set fields"
     (iup:vbox
      (iup:hbox (iup:label "Comment:")
		(iup:textbox #:action (lambda (val a b)
					(open-run-close db:test-set-state-status-by-id *db* test-id #f #f b)
					(set! newcomment b))
			     #:value (db:test-get-comment testdat)
			     #:expand "HORIZONTAL"))
      (apply iup:hbox
	     (iup:label "STATE:" #:size "30x")
	     (let* ((btns  (map (lambda (state)
				  (let ((btn (iup:button state
							 #:expand "HORIZONTAL" #:size "50x" #:font "Courier New, -10"
							 #:action (lambda (x)
								    (open-run-close db:test-set-state-status-by-id *db* test-id state #f #f)
								    (db:test-set-state! testdat state)))))
				    btn))
				(list "COMPLETED" "NOT_STARTED" "RUNNING" "REMOTEHOSTSTART" "KILLED" "KILLREQ"))))
	       (vector-set! *state-status* 0
			    (lambda (state color)
			      (for-each 
			       (lambda (btn)
				 (let* ((name     (iup:attribute btn "TITLE"))
					(newcolor (if (equal? name state) color "192 192 192")))
				   (if (not (colors-similar? newcolor (iup:attribute btn "BGCOLOR")))
				       (iup:attribute-set! btn "BGCOLOR" newcolor))))
			       btns)))
	       btns))
      (apply iup:hbox
	     (iup:label "STATUS:" #:size "30x")
	     (let* ((btns  (map (lambda (status)
				  (let ((btn (iup:button status
							 #:expand "HORIZONTAL" #:size "50x" #:font "Courier New, -10"
							 #:action (lambda (x)
								    (open-run-close db:test-set-state-status-by-id *db* test-id #f status #f)
								    (db:test-set-status! testdat status)))))
				    btn))
				(list  "PASS" "WARN" "FAIL" "CHECK" "n/a" "WAIVED"))))
	       (vector-set! *state-status* 1
			    (lambda (status color)
			      (for-each 
			       (lambda (btn)
				 (let* ((name     (iup:attribute btn "TITLE"))
					(newcolor (if (equal? name status) color "192 192 192")))
				   (if (not (colors-similar? newcolor (iup:attribute btn "BGCOLOR")))
				       (iup:attribute-set! btn "BGCOLOR" newcolor))))
			       btns)))
	       btns))))))


;;======================================================================
;;
;;======================================================================
(define (examine-test test-id) ;; run-id run-key origtest)
  (let* ((testdat       (open-run-close db:get-test-info-by-id #f test-id))
	 (db-path       (conc *toppath* "/megatest.db"))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t)
	 (db             #f))
    (if (not testdat)
	(begin
	  (debug:print 0 "ERROR: No test data found for test " test-id ", exiting")
	  (exit 1))
	(let* ((run-id        (if testdat (db:test-get-run_id testdat) #f))
	       (keydat        (if testdat (open-run-close db:get-key-val-pairs db run-id) #f))
	       (rundat        (if testdat (open-run-close db:get-run-info db run-id) #f))
	       (runname       (if testdat (db:get-value-by-header (db:get-row rundat)
								  (db:get-header rundat)
								  "runname") #f))
					;(teststeps     (if testdat (db:get-steps-for-test db test-id) #f))
	       (logfile       "/this/dir/better/not/exist")
	       (rundir        logfile)
	       (testfullname  (if testdat (db:test-get-fullname testdat) "Gathering data ..."))
	       (testname      (if testdat (db:test-get-testname testdat) "n/a"))
	       (testmeta      (if testdat 
				  (let ((tm (open-run-close db:testmeta-get-record db testname)))
				    (if tm tm (make-db:testmeta)))
				  (make-db:testmeta)))

	       (keystring  (string-intersperse 
			    (map (lambda (keyval)
				   ;; (conc ":" (car keyval) " " (cadr keyval)))
				   (cadr keyval))

						 ";xterm -T \"" (string-translate testfullname "()" "  ") "\" " shell "&")))
				 (message-window  (conc "Directory " rundir " not found")))))
	       (refreshdat (lambda ()
			     (let* ((curr-mod-time (file-modification-time db-path))
				    (need-update   (or (and (> curr-mod-time db-mod-time)
							    (> (current-seconds) (+ last-update 2))) ;; every two seconds if db touched
						       request-update))
				    (newtestdat (if need-update (open-run-close db:get-test-info-by-id db test-id))))
			       (cond
				((and need-update newtestdat)
				 (set! testdat newtestdat)
				 (set! teststeps    (open-run-close db:get-steps-for-test db test-id))
				 (set! logfile      (conc (db:test-get-rundir testdat) "/" (db:test-get-final_logf testdat)))
				 (set! rundir       (db:test-get-rundir testdat))
				 (set! testfullname (db:test-get-fullname testdat)))
				(need-update ;; if this was true and yet there is no data ....
				 (db:test-set-testname! testdat "DEAD OR DELETED TEST"))))))
	       (widgets      (make-hash-table))
	       (meta-widgets (make-hash-table))

					 #:multiline "YES"
					 #:font "Courier New, -10"
					 #:size "60x100")))
				   (hash-table-set! widgets "Test Steps" 
						    (lambda (testdat)
						      (let* ((currval (iup:attribute stepsdat "VALUE")) ;; "TITLE"))
							     (fmtstr  "~20a~10a~10a~12a~15a~20a")
							     (comprsteps (open-run-close db:get-steps-table db test-id))
							     (newval  (string-intersperse 
								       (append
									(list 
									 (format #f fmtstr "Stepname" "Start" "End" "Status" "Time" "Logfile")
									 (format #f fmtstr "========" "=====" "===" "======" "====" "======="))
									(map (lambda (x)
									       ;; take advantage of the \n on time->string

										       (db:test-data-get-value    x)
										       (db:test-data-get-expected x)
										       (db:test-data-get-tol      x)
										       (db:test-data-get-status   x)
										       (db:test-data-get-units    x)
										       (db:test-data-get-type     x)
										       (db:test-data-get-comment  x)))
									     (open-run-close db:read-test-data db test-id "%")))
								       "\n")))
							(if (not (equal? currval newval))
							    (iup:attribute-set! test-data "VALUE" newval ))))) ;; "TITLE" newval)))))
				   test-data)))
			       )))
	    (iup:show self)
	    (iup:callback-set! *tim* "ACTION_CB"

;;======================================================================
;; 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

      (exit)))

(if (not (setup-for-run))
    (begin
      (print "Failed to find megatest.config, exiting") 
      (exit 1)))

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

;; 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  *db*))
;; (define *keys*   (db:get-keys   *db*))
(define *dbkeys*  (map (lambda (x)(vector-ref x 0))
		      (append *keys* (list (vector "runname" "blah")))))
(define *header*       #f)
(define *allruns*     '())
(define *buttondat*    (make-hash-table)) ;; <run-id color text test run-key>
(define *alltestnamelst* '())
(define *searchpatts*  (make-hash-table))
(define *num-runs*      8)
(define *tot-run-count* (open-run-close db:get-num-runs *db* "%"))
;; (define *tot-run-count* (db:get-num-runs *db* "%"))
(define *last-update*   (current-seconds))
(define *num-tests*     15)
(define *start-run-offset*  0)
(define *start-test-offset* 0)
(define *examine-test-dat* (make-hash-table))
(define *exit-started* #f)

		 (> (current-seconds)(+ *last-db-update-time* 5)))
	    (> *delayed-update* 0))
	(begin
	  (debug:print 4 "INFO: update-rundat runnamepatt: " runnamepatt " numruns: " numruns " testnamepatt: " testnamepatt " itemnamepatt: " itemnamepatt " keypatts: " keypatts)
	  (set! *please-update-buttons* #t)
	  (set! *last-db-update-time* modtime)
	  (set! *delayed-update* (- *delayed-update* 1))
	  (let* ((allruns     (open-run-close db:get-runs *db* runnamepatt numruns ;; (+ numruns 1) ;; (/ numruns 2))
					   *start-run-offset* keypatts))
		 (header      (db:get-header allruns))
		 (runs        (db:get-rows   allruns))
		 (result      '())
		 (maxtests    0)
		 (states      (hash-table-keys *state-ignore-hash*))
		 (statuses    (hash-table-keys *status-ignore-hash*)))
	    (debug:print 6 "update-rundat, got " (length runs) " runs")
	    (if (> (+ *last-update* 300) (current-seconds)) ;; every five minutes
		(begin
		  (set! *last-update* (current-seconds))
		  (set! *tot-run-count* (length runs)))) ;; (rdb:get-num-runs *db* runnamepatt))))
	    (for-each (lambda (run)
			(let* ((run-id   (db:get-value-by-header run header "id"))
			       (tests    (let ((tsts (open-run-close db:get-tests-for-run *db* run-id testnamepatt itemnamepatt states statuses)))
					   (if *tests-sort-reverse* (reverse tsts) tsts)))
			       (key-vals (open-run-close db:get-key-vals *db* run-id)))
			  (if (> (length tests) maxtests)
			      (set! maxtests (length tests)))
			  (if (or (not *hide-empty-runs*) ;; this reduces the data burden when set
				  (not (null? tests)))
			      (set! result (cons (vector run tests key-vals) result)))))
		      runs)
	    (set! *header*  header)

	      (iup:button "HideEmpty" #:action (lambda (obj)
						 (set! *hide-empty-runs* (not *hide-empty-runs*))
						 (iup:attribute-set! obj "TITLE" (if *hide-empty-runs* "+Hide" "-Hide"))
						 (mark-for-update)))
	      (iup:button "Refresh"   #:action (lambda (obj)
						 (mark-for-update))))
	     (iup:hbox
	      (iup:button "Quit" #:action (lambda (obj)(if *db* (sqlite3:finalize! *db*))(exit)))
	      (iup:button "Monitor" #:action (lambda (obj)(system (conc (car (argv))" -guimonitor &")))))
	     ))
	   ;; (iup:button "<-  Left" #:action (lambda (obj)(set! *start-run-offset*  (+ *start-run-offset* 1))))
	   ;; (iup:button "Up     ^" #:action (lambda (obj)(set! *start-test-offset* (if (> *start-test-offset* 0)(- *start-test-offset* 1) 0))))
	   ;; (iup:button "Down   v" #:action (lambda (obj)(set! *start-test-offset* (if (>= *start-test-offset* (length *alltestnamelst*))(length *alltestnamelst*)(+ *start-test-offset* 1)))))
	   ;; (iup:button "Right ->" #:action (lambda (obj)(set! *start-run-offset*  (if (> *start-run-offset* 0)(- *start-run-offset* 1) 0))))
	   (iup:frame 

	      iup:hbox
	      (map (lambda (state)
		     (iup:toggle state   #:action   (lambda (obj val)
						      (mark-for-update)
						      (if (eq? val 1)
							  (hash-table-set! *state-ignore-hash* state #t)
							  (hash-table-delete! *state-ignore-hash* state)))))
		   '("RUNNING" "COMPLETED" "INCOMPLETE" "LAUNCHED" "NOT_STARTED" "KILLED" "DELETED")))
	     (iup:valuator #:valuechanged_cb (lambda (obj)
					       (let ((val (inexact->exact (round (/ (string->number (iup:attribute obj "VALUE")) 10))))
						     (oldmax   (string->number (iup:attribute obj "MAX")))
						     (maxruns  *tot-run-count*))
						 (set! *start-run-offset* val)
						 (mark-for-update)
						 (debug:print 6 "*start-run-offset* " *start-run-offset* " maxruns: " maxruns ", val: " val " oldmax: " oldmax)

 ((args:get-arg "-run")
  (let ((runid (string->number (args:get-arg "-run"))))
    (if runid
	(begin
	  (lambda (x)
	    (on-exit (lambda ()
		       (sqlite3:finalize! *db*)))
	    (open-run-close examine-run *db* runid)))
	(begin
	  (print "ERROR: runid is not a number " (args:get-arg "-run"))
	  (exit 1)))))
 ((args:get-arg "-test")
    (let ((testid (string->number (args:get-arg "-test"))))
    (if testid
	(examine-test testid)
	(begin
	  (print "ERROR: testid is not a number " (args:get-arg "-test"))
	  (exit 1)))))
 ((args:get-arg "-guimonitor")
  (gui-monitor *db*))
 ((args:get-arg "-main")
  (iup:show (main-panel)))

;; timestamp type (val1 val2 ...)
;; type: meta-info, step
(define *incoming-data*      '())
(define *incoming-last-time* (current-seconds))
(define *incoming-mutex*     (make-mutex))
(define *cache-on* #f)

(define (db:set-sync db)
  (let* ((syncval  (config-lookup *configdat* "setup"     "synchronous"))
	 (val      (cond   ;; 0 | OFF | 1 | NORMAL | 2 | FULL;
		    ((not syncval) #f)
		    ((string->number syncval)
		     (let ((val (string->number syncval)))
		       (if (member val '(0 1 2)) val #f)))
		    ((string-match (regexp "yes" #t) syncval) 1)
		    ((string-match (regexp "no"  #t) syncval) 0)
		    ((string-match (regexp "(off|normal|full)" #t) syncval) syncval)
		    (else 
		     (debug:print 0 "ERROR: synchronous must be 0,1,2,OFF,NORMAL or FULL, you provided: " syncval)
		     #f))))
    (if val
	(begin
	  (debug:print 2 "INFO: Setting pragma synchronous to " val)
	  (sqlite3:execute db (conc "PRAGMA synchronous = '" val "';"))))))

(define (open-db) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((dbpath    (conc *toppath* "/megatest.db")) ;; fname)
	 (dbexists  (file-exists? dbpath))
	 (db        (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	 (handler   (make-busy-timeout (if (args:get-arg "-override-timeout")
					   (string->number (args:get-arg "-override-timeout"))
					   36000)))) ;; 136000)))
    (debug:print 4 "INFO: dbpath=" dbpath)
    (sqlite3:set-busy-handler! db handler)
    (if (not dbexists)
	(db:initialize db))
    (db:set-sync db)
    db))

(define (open-run-close  proc idb . params)
  (let ((runner (lambda ()
		  (let* ((db   (if idb idb (open-db)))
			 (res #f))
		    (db:set-sync db)
		    (set! res (apply proc db params))
		    (if (not idb)(sqlite3:finalize! db))
		    res))))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 "EXCEPTION: database probably overloaded?")
       (debug:print 0 "  " exn)
       (print-call-chain)
       (thread-sleep! (random 120))
       (debug:print 0 "trying db call one more time....")
       (runner))
     (runner))))

(define *global-delta* 0)
(define *last-global-delta-printed* 0)

(define (open-run-close-measure  proc idb . params)
  (let* ((start-ms (current-milliseconds))
	 (db       (if idb idb (open-db)))
         (throttle (string->number (config-lookup *configdat* "setup" "throttle"))))

    (db:set-sync db)
    (set! res      (apply proc db params))
    (if (not idb)(sqlite3:finalize! db))
    ;; scale by 10, average with current value.
    (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
						 (if throttle throttle 0.01)))
			    2))
    (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
	(begin
	  (debug:print 1 "INFO: launch throttle factor=" *global-delta*)
	  (set! *last-global-delta-printed* *global-delta*)))
    res))

(define (db:initialize db)
  (let* ((configdat (car *configinfo*))  ;; tut tut, global warning...
	 (keys     (config-get-fields configdat))
	 (havekeys (> (length keys) 0))
	 (keystr   (keys->keystr keys))
	 (fieldstr (keys->key/field keys)))
    (for-each (lambda (key)
		(let ((keyn (vector-ref key 0)))
		  (if (member (string-downcase keyn)
			      (list "runname" "state" "status" "owner" "event_time" "comment" "fail_count"
				    "pass_count"))
		      (begin
			(print "ERROR: your key cannot be named " keyn " as this conflicts with the same named field in the runs table")
			(system (conc "rm -f " dbpath))
			(exit 1)))))
	      keys)
    (sqlite3:execute db "PRAGMA synchronous = OFF;")
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys (id INTEGER PRIMARY KEY, fieldname TEXT, fieldtype TEXT, CONSTRAINT keyconstraint UNIQUE (fieldname));")
    (for-each (lambda (key)
		(sqlite3:execute db "INSERT INTO keys (fieldname,fieldtype) VALUES (?,?);" (key:get-fieldname key)(key:get-fieldtype key)))
	      keys)
    (sqlite3:execute db (conc 
			 "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, " 
			 fieldstr (if havekeys "," "")

                                status TEXT DEFAULT 'n/a',
                                type TEXT DEFAULT '',
                              CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));")
    ;; Must do this *after* running patch db !! No more. 
    (db:set-var db "MEGATEST_VERSION" megatest-version)
    ))

;; Create the sqlite db for the individual test(s)
(define (open-test-db testpath) 
  (if (and (directory? testpath)
	   (file-read-access? testpath))
      (let* ((dbpath    (conc testpath "/testdat.db"))
	     (dbexists  (file-exists? dbpath))
	     (db        (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	     (handler   (make-busy-timeout (if (args:get-arg "-override-timeout")
					       (string->number (args:get-arg "-override-timeout"))
					       36000))))
	(debug:print 4 "INFO: test dbpath=" dbpath)
	(sqlite3:set-busy-handler! db handler)
	(if (not dbexists)
	    (begin
	      (sqlite3:execute db "PRAGMA synchronous = FULL;")
	      (debug:print 0 "Initialized test database " dbpath)
	      (db:testdb-initialize db)))
	;; (sqlite3:execute db "PRAGMA synchronous = 0;")
	db)
      #f))

;; find and open the testdat.db file for an existing test
(define (db:open-test-db-by-test-id db test-id)
  (let* ((test-path (db:test-get-rundir-from-test-id db test-id)))
    (open-test-db test-path)))

(define (db:testdb-initialize db)
  (for-each
   (lambda (sqlcmd)
     (sqlite3:execute db sqlcmd))
   (list "CREATE TABLE IF NOT EXISTS test_rundat (
              id INTEGER PRIMARY KEY,
              update_time TIMESTAMP,
              cpuload INTEGER DEFAULT -1,
              diskfree INTEGER DEFAULT -1,
              diskusage INTGER DEFAULT -1,
              run_duration INTEGER DEFAULT 0);"
	 "CREATE TABLE IF NOT EXISTS test_data (
              id INTEGER PRIMARY KEY,
              test_id INTEGER,
              category TEXT DEFAULT '',
              variable TEXT,
	      value REAL,
	      expected REAL,
	      tol REAL,
              units TEXT,
              comment TEXT DEFAULT '',
              status TEXT DEFAULT 'n/a',
              type TEXT DEFAULT '',
              CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));"
           "CREATE TABLE IF NOT EXISTS test_steps (
              id INTEGER PRIMARY KEY,
              test_id INTEGER, 
              stepname TEXT, 
              state TEXT DEFAULT 'NOT_STARTED', 
              status TEXT DEFAULT 'n/a',
              event_time TIMESTAMP,
              comment TEXT DEFAULT '',
              logfile TEXT DEFAULT '',
              CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state));"
	   ;; test_meta can be used for handing commands to the test
	   ;; e.g. KILLREQ
	   ;;      the ackstate is set to 1 once the command has been completed
	   "CREATE TABLE IF NOT EXISTS test_meta (
              id INTEGER PRIMARY KEY,
              var TEXT,
              val TEXT,
              ackstate INTEGER DEFAULT 0,
              CONSTRAINT metadat_constraint UNIQUE (var));")))

;;======================================================================
;; TODO:
;;   put deltas into an assoc list with version numbers
;;   apply all from last to current
;;======================================================================
(define (patch-db db)
  (handle-exceptions

       (db:set-var db "MEGATEST_VERSION" megatest-version))))))

;;======================================================================
;; meta get and set vars
;;======================================================================

;; returns number if string->number is successful, string otherwise
;; also updates *global-delta*
(define (db:get-var db var)
  (let* ((start-ms (current-milliseconds))
         (throttle (string->number (config-lookup *configdat* "setup" "throttle")))
	 (res      #f))
    (sqlite3:for-each-row
     (lambda (val)
       (set! res val))
     db "SELECT val FROM metadat WHERE var=?;" var)
    ;; convert to number if can
    (if (string? res)
	(let ((valnum (string->number res)))
	  (if valnum (set! res valnum))))
    ;; scale by 10, average with current value.
    (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
						 (if throttle throttle 0.01)))
			    2))
    (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
	(begin
	  (debug:print 4 "INFO: launch throttle factor=" *global-delta*)
	  (set! *last-global-delta-printed* *global-delta*)))
    res))

(define (db:set-var db var val)
  (sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))

;; use a global for some primitive caching, it is just silly to re-read the db 
;; over and over again for the keys since they never change



(define (db:get-keys db)
  (if *db-keys* *db-keys* 
      (let ((res '()))
	(sqlite3:for-each-row 
	 (lambda (key keytype)
	   (set! res (cons (vector key keytype) res)))
	 db

	(let ((finalres (vector header res)))
	  (hash-table-set! *run-info-cache* run-id finalres)
	  finalres))))
  
(define (db:set-comment-for-run db run-id comment)
  (sqlite3:execute db "UPDATE runs SET comment=? WHERE id=?;" comment run-id))

;; does not (obviously!) removed dependent data. But why not!!?
(define (db:delete-run db run-id)
  (sqlite3:execute db "DELETE FROM runs WHERE id=?;" run-id))

(define (db:update-run-event_time db run-id)
  (sqlite3:execute db "UPDATE runs SET event_time=strftime('%s','now') WHERE id=?;" run-id)) 

(define (db:lock/unlock-run db run-id lock unlock user)

	    (set! res (cons (list (key:get-fieldname key) key-val) res)))
	  db qry run-id)))
     keys)
    (reverse res)))

;; get key vals for a given run-id
(define (db:get-key-vals db run-id)
  (let ((mykeyvals (hash-table-ref/default *keyvals* run-id #f)))
    (if mykeyvals 
	mykeyvals
	(let* ((keys (get-keys db))
	       (res  '()))
	  (debug:print 6 "keys: " keys " run-id: " run-id)
	  (for-each 
	   (lambda (key)
	     (let ((qry (conc "SELECT " (key:get-fieldname key) " FROM runs WHERE id=?;")))
	       ;; (debug:print 0 "qry: " qry)
	       (sqlite3:for-each-row 
		(lambda (key-val)
		  (set! res (cons key-val res)))
		db qry run-id)))
	   keys)
	  (let ((final-res (reverse res)))
	    (hash-table-set! *keyvals* run-id final-res)
	    final-res)))))

;; The target is keyval1/keyval2..., cached in *target* as it is used often
(define (db:get-target db run-id)
  (let ((mytarg (hash-table-ref/default *target* run-id #f)))
    (if mytarg
	mytarg
	(let* ((keyvals (db:get-key-vals db run-id)) ;; (rdb:get-key-vals db run-id))
	       (thekey  (string-intersperse (map (lambda (x)(if x x "-na-")) keyvals) "/")))
	  (hash-table-set! *target* run-id thekey)
	  thekey))))

;;======================================================================
;;  T E S T S
;;======================================================================

(define (db:tests-register-test db run-id test-name item-path)
  (debug:print 4 "INFO: db:tests-register-test db=" db ", run-id=" run-id ", test-name=" test-name ", item-path=\"" item-path "\"")
  (let ((item-paths (if (equal? item-path "")
			(list item-path)
			(list item-path ""))))
    (for-each 
     (lambda (pth)
       (sqlite3:execute db "INSERT OR IGNORE INTO tests (run_id,testname,event_time,item_path,state,status) VALUES (?,?,strftime('%s','now'),?,'NOT_STARTED','n/a');" 
			run-id 
			test-name
			pth))
     item-paths)
    #f))


;; states and statuses are lists, turn them into ("PASS","FAIL"...) and use NOT IN
;; i.e. these lists define what to NOT show.
;; states and statuses are required to be lists, empty is ok
;; not-in #t = above behaviour, #f = must match
(define (db:get-tests-for-run db run-id testpatt itempatt states statuses 
			      #!key (not-in #t)

     run-id
     ;; (if testpatt testpatt "%")
     ;; (if itempatt itempatt "%"))
     )
    res))

;; this one is a bit broken BUG FIXME
(define (db:delete-test-step-records db test-id)
  ;; Breaking it into two queries for better file access interleaving
  (let* ((tdb (db:open-test-db-by-test-id db test-id)))
    ;; test db's can go away - must check every time

    (if tdb



	(begin
	  (sqlite3:execute tdb "DELETE FROM test_steps;")

	  (sqlite3:execute tdb "DELETE FROM test_data;")

	  (sqlite3:finalize! tdb)))))


;; 
(define (db:delete-test-records db tdb test-id #!key (force #f))
  (if tdb 
      (begin
	(sqlite3:execute tdb "DELETE FROM test_steps;")
	(sqlite3:execute tdb "DELETE FROM test_data;")))
  ;; (sqlite3:execute db "DELETE FROM tests WHERE id=?;" test-id))
  (if db 
      (begin
	(sqlite3:execute db "DELETE FROM test_steps WHERE test_id=?;" test-id)
	(sqlite3:execute db "DELETE FROM test_data  WHERE test_id=?;" test-id)
	(if force
	    (sqlite3:execute db "DELETE FROM tests WHERE id=?;" test-id)
	    (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a' WHERE id=?;" test-id)))))

(define (db:delete-tests-for-run db run-id)
  (sqlite3:execute db "DELETE FROM tests WHERE run_id=?;" run-id))

(define (db:delete-old-deleted-test-records db)
  (let ((targtime (- (current-seconds)(* 30 24 60 60)))) ;; one month in the past
    (sqlite3:execute db "DELETE FROM tests WHERE state='DELETED' AND event_time<?;" targtime)))

;; set tests with state currstate and status currstatus to newstate and newstatus
;; use currstate = #f and or currstatus = #f to apply to any state or status respectively
;; WARNING: SQL injection risk
(define (db:set-tests-state-status db run-id testnames currstate currstatus newstate newstatus)
  (for-each (lambda (testname)
	      (let ((qry (conc "UPDATE tests SET state=?,status=? WHERE "
			       (if currstate  (conc "state='" currstate "' AND ") "")
			       (if currstatus (conc "status='" currstatus "' AND ") "")
			       " run_id=? AND testname=? AND NOT (item_path='' AND testname in (SELECT DISTINCT testname FROM tests WHERE testname=? AND item_path != ''));")))
		;;(debug:print 0 "QRY: " qry)
		(sqlite3:execute db qry run-id newstate newstatus testname testname)))
	    testnames))

(define (db:delete-tests-in-state db run-id state)
  (sqlite3:execute db "DELETE FROM tests WHERE state=? AND run_id=?;" state run-id))

;; speed up for common cases with a little logic
(define (db:test-set-state-status-by-id db test-id newstate newstatus newcomment)
  (cond
   ((and newstate newstatus newcomment)
    (sqlite3:exectute db "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;" newstate newstatus test-id))
   ((and newstate newstatus)
    (sqlite3:exectute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
   (else
    (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
    (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
    (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment test-id)))))

(define (db:test-set-state-status-by-run-id-testname db run-id test-name item-path status state)
  (sqlite3:execute db "UPDATE tests SET state=?,status=?,event_time=strftime('%s','now') WHERE run_id=? AND testname=? AND item_path=?;" 
		   state status run-id test-name item-path))

(define (db:get-count-tests-running db)
  (let ((res 0))

    (sqlite3:for-each-row
     (lambda (count)
       (set! res count))
     db ;; NB// KILLREQ means the jobs is still probably running
     "SELECT count(id) FROM tests WHERE state in ('LAUNCHED','NOT_STARTED','REMOTEHOSTSTART','RUNNING','KILLREQ') AND run_id=?;" run-id)
    res))

;; map run-id, testname item-path to test-id
(define (db:get-test-id-cached db run-id testname item-path)
  (let* ((test-key (conc run-id "-" testname "-" item-path))
	 (res      (hash-table-ref/default *test-ids* test-key #f)))
    (if res 
	res
	(begin
	  (sqlite3:for-each-row
	   (lambda (id) ;;  run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment )
	     (set! res id)) ;; (vector id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment )))
	   db 
	   "SELECT id FROM tests WHERE run_id=? AND testname=? AND item_path=?;"
	   run-id testname item-path)
	  (hash-table-set! *test-ids* test-key res)
	  res))))

;; map run-id, testname item-path to test-id
(define (db:get-test-id-not-cached db run-id testname item-path)
  (let* ((res #f))
    (sqlite3:for-each-row
     (lambda (id) ;;  run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment )
       (set! res id)) ;; (vector id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment )))
     db 
     "SELECT id FROM tests WHERE run_id=? AND testname=? AND item_path=?;"
     run-id testname item-path)
    res))

(define db:get-test-id db:get-test-id-cached)

;; given a test-info record, patch in the latest data from the testdat.db file
;; found in the test run directory
(define (db:patch-tdb-data-into-test-info db test-id res)
  (let ((tdb (db:open-test-db-by-test-id db test-id)))
    ;; get state and status from megatest.db in real time
    ;; other fields that perhaps should be updated:
    ;;   fail_count
    ;;   pass_count
    ;;   final_logf
    (sqlite3:for-each-row
     (lambda (state status final_logf)
       (db:test-set-state!        res state)
       (db:test-set-status!       res status)
       (db:test-set-final_logf!   res final_logf))
     db
     "SELECT state,status,final_logf FROM tests WHERE id=?;"
     test-id)
    (if tdb
	(begin
	  (sqlite3:for-each-row
	   (lambda (update_time cpuload disk_free run_duration)
	     (db:test-set-cpuload!      res cpuload)
	     (db:test-set-diskfree!     res disk_free)
	     (db:test-set-run_duration! res run_duration))
	   tdb
	   "SELECT update_time,cpuload,diskfree,run_duration FROM test_rundat ORDER BY id DESC LIMIT 1;")
	  (sqlite3:finalize! tdb))
	;; if the test db is not found what to do?
	;; 1. set state to DELETED
	;; 2. set status to n/a
	(begin
	  (db:test-set-state!  res "NOT_STARTED")
	  (db:test-set-status! res "n/a")))))

(define *last-test-cache-delete* (current-seconds))

;; Get test data using test_id
(define (db:get-test-info-cached-by-id db test-id)
  ;; is all this crap really worth it? I somehow doubt it.
  (let* ((last-delete-str (db:get-var db "DELETED_TESTS"))
	 (last-delete     (if (string? last-delete-str)(string->number last-delete-str) #f)))
    (if (and last-delete (> last-delete *last-test-cache-delete*))
	(begin
	  (set! *test-info* (make-hash-table))
	  (set! *test-id-cache* (make-hash-table))
	  (set! *last-test-cache-delete* last-delete)
	  (debug:print 4 "INFO: Clearing test data cache"))))
  (if (not test-id)
      (begin
	(debug:print 4 "INFO: db:get-test-info-by-id called with test-id=" test-id)
	#f)
      (let* ((res (hash-table-ref/default *test-info* test-id #f)))
	(if res
	    (db:patch-tdb-data-into-test-info db test-id res)
	    ;; if no cached value then full read and write to cache
	    (begin
	      (sqlite3:for-each-row
	       (lambda (id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment)
		 ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
		 (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment)))
	       db 
	       "SELECT id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment FROM tests WHERE id=?;"
	       test-id)
	      (if res (db:patch-tdb-data-into-test-info db test-id res))
	      res)))))

;; Get test data using test_id
(define (db:get-test-info-not-cached-by-id db test-id)
  (if (not test-id)
      (begin
	(debug:print 4 "INFO: db:get-test-info-by-id called with test-id=" test-id)
	#f)
      (let ((res #f))
	(sqlite3:for-each-row
	 (lambda (id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment)
	   ;;                 0    1       2      3      4        5       6      7        8     9     10      11          12          13       14
	   (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir item-path run_duration final_logf comment)))
	 db 
	 "SELECT id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment FROM tests WHERE id=?;"
	 test-id)
	res)))

(define db:get-test-info-by-id db:get-test-info-cached-by-id)

(define (db:get-test-info db run-id testname item-path)
  (db:get-test-info-by-id db (db:get-test-id db run-id testname item-path)))

(define (db:test-set-comment db test-id comment)
  (sqlite3:execute 
   db 
   "UPDATE tests SET comment=? WHERE id=?;"
   comment test-id))

;;
(define (db:test-set-rundir! db run-id test-name item-path rundir)
  (sqlite3:execute 
   db 
   "UPDATE tests SET rundir=? WHERE run_id=? AND testname=? AND item_path=?;"
   rundir run-id test-name item-path))

;; 
(define (db:test-get-rundir-from-test-id db test-id)
  (let ((res (hash-table-ref/default *test-paths* test-id #f)))
    (if res
	res
	(begin
	  (sqlite3:for-each-row
	   (lambda (tpath)
	     (set! res tpath))
	   db 
	   "SELECT rundir FROM tests WHERE id=?;"
	   test-id)
	  (hash-table-set! *test-paths* test-id res)
	  res))))

(define (db:test-set-log! db test-id logf)
  (if (string? logf)
      (sqlite3:execute db "UPDATE tests SET final_logf=? WHERE id=?;"
		   logf test-id)
      (debug:print 0 "ERROR: db:test-set-log! called with non-string log file name " logf)))

;;======================================================================

     qrystr)
    res))

;;======================================================================
;; QUEUE UP META, TEST STATUS AND STEPS
;;======================================================================

;; (define (db:updater db)
;;   (let loop ((start-time (current-time)))
;;     (thread-sleep! 0.5) ;; move save time around to minimize regular collisions?
;;     (db:write-cached-data db)
;;     (loop start-time)))
;;     
;; (define (db:test-update-meta-info db test-id minutes cpuload diskfree tmpfree)
;;   (mutex-lock! *incoming-mutex*)
;;   (set! *incoming-data* (cons (vector 'meta-info
;; 				      (current-seconds)
;; 				      (list cpuload
;; 					    diskfree
;; 					    minutes
;; 					    test-id)) ;; run-id test-name item-path minutes cpuload diskfree tmpfree) 
;; 			      *incoming-data*))
;;   (mutex-unlock! *incoming-mutex*)
;;   (if *cache-on*
;;       (debug:print 6 "INFO: *cache-on* is " *cache-on* ", skipping cache write as part of test-update-meta-info")
;;       (db:write-cached-data db)))
;; 

;; ==> (define (db:write-cached-data db)
;; ==>   (let ((meta-stmt (sqlite3:prepare db "UPDATE tests SET cpuload=?,diskfree=?,run_duration=?,state='RUNNING' WHERE id=? AND state NOT IN ('COMPLETED','KILLREQ','KILLED');"))
;; ==> 	(step-stmt (sqlite3:prepare db "INSERT OR REPLACE into test_steps (test_id,stepname,state,status,event_time,comment,logfile) VALUES(?,?,?,?,?,?,?);")) ;; strftime('%s','now')#f)
;; ==> 	(data (sort *incoming-data* (lambda (a b)(< (vector-ref a 1)(vector-ref b 1))))))
;; ==>     (if (> (length data) 0)
;; ==> 	(debug:print 4 "Writing cached data " data))
;; ==>     (mutex-lock! *incoming-mutex*)
;; ==>     (sqlite3:with-transaction 
;; ==>      db
;; ==>      (lambda ()
;; ==>        (for-each (lambda (entry)
;; ==> 		   (case (vector-ref entry 0)
;; ==> 		     ((meta-info)
;; ==> 		      (apply sqlite3:execute meta-stmt (vector-ref entry 2)))
;; ==> 		     ((step-status)
;; ==> 		      (apply sqlite3:execute step-stmt (vector-ref entry 2)))
;; ==> 		     (else
;; ==> 		      (debug:print 0 "ERROR: Queued entry not recognised " entry))))
;; ==> 		 data)))
;; ==>     (sqlite3:finalize! meta-stmt) ;; sqlite is the bottleneck, clear the statements asap?
;; ==>     (sqlite3:finalize! step-stmt)
;; ==>     (set! *incoming-data* '())
;; ==>     (mutex-unlock! *incoming-mutex*)))


(define (db:roll-up-pass-fail-counts db run-id test-name item-path status)
  (if (and (not (equal? item-path ""))
	   (or (equal? status "PASS")
	       (equal? status "WARN")
	       (equal? status "FAIL")
	       (equal? status "WAIVED")

;;======================================================================
;; T E S T   D A T A 
;;======================================================================

(define (db:csv->test-data db test-id csvdata)
  (debug:print 4 "test-id " test-id ", csvdata: " csvdata)
  (let ((tdb     (db:open-test-db-by-test-id db test-id)))
    (if tdb
	(let ((csvlist (csv->list (make-csv-reader
				   (open-input-string csvdata)
				   '((strip-leading-whitespace? #t)
				     (strip-trailing-whitespace? #t)) )))) ;; (csv->list csvdata)))
	  (for-each 
	   (lambda (csvrow)
	     (let* ((padded-row  (take (append csvrow (list #f #f #f #f #f #f #f #f #f)) 9))
		    (category    (list-ref padded-row 0))
		    (variable    (list-ref padded-row 1))
		    (value       (any->number-if-possible (list-ref padded-row 2)))
		    (expected    (any->number-if-possible (list-ref padded-row 3)))
		    (tol         (any->number-if-possible (list-ref padded-row 4))) ;; >, <, >=, <=, or a number
		    (units       (list-ref padded-row 5))
		    (comment     (list-ref padded-row 6))
		    (status      (let ((s (list-ref padded-row 7)))
				   (if (and (string? s)(or (string-match (regexp "^\\s*$") s)
							   (string-match (regexp "^n/a$") s)))
				       #f
				       s))) ;; if specified on the input then use, else calculate
		    (type        (list-ref padded-row 8)))
	       ;; look up expected,tol,units from previous best fit test if they are all either #f or ''
	       (debug:print 4 "BEFORE: category: " category " variable: " variable " value: " value 
			    ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment " type: " type)

	       (if (and (or (not expected)(equal? expected ""))
			(or (not tol)     (equal? expected ""))
			(or (not units)   (equal? expected "")))
		   (let-values (((new-expected new-tol new-units)(db:get-prev-tol-for-test db test-id category variable)))
			       (set! expected new-expected)
			       (set! tol      new-tol)
			       (set! units    new-units)))

	       (debug:print 4 "AFTER:  category: " category " variable: " variable " value: " value 
			    ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment)
	       ;; calculate status if NOT specified
	       (if (and (not status)(number? expected)(number? value)) ;; need expected and value to be numbers
		   (if (number? tol) ;; if tol is a number then we do the standard comparison
		       (let* ((max-val (+ expected tol))
			      (min-val (- expected tol))
			      (result  (and (>=  value min-val)(<= value max-val))))
			 (debug:print 4 "max-val: " max-val " min-val: " min-val " result: " result)
			 (set! status (if result "pass" "fail")))
		       (set! status ;; NB// need to assess each one (i.e. not return operator since need to act if not valid op.
			     (case (string->symbol tol) ;; tol should be >, <, >=, <=
			       ((>)  (if (>  value expected) "pass" "fail"))
			       ((<)  (if (<  value expected) "pass" "fail"))
			       ((>=) (if (>= value expected) "pass" "fail"))
			       ((<=) (if (<= value expected) "pass" "fail"))
			       (else (conc "ERROR: bad tol comparator " tol))))))
	       (debug:print 4 "AFTER2: category: " category " variable: " variable " value: " value 
			    ", expected: " expected " tol: " tol " units: " units " status: " status " comment: " comment)
	       (sqlite3:execute tdb "INSERT OR REPLACE INTO test_data (test_id,category,variable,value,expected,tol,units,comment,status,type) VALUES (?,?,?,?,?,?,?,?,?,?);"
				test-id category variable value expected tol units (if comment comment "") status type)
	       (sqlite3:finalize! tdb)))
	   csvlist)))))

;; get a list of test_data records matching categorypatt
(define (db:read-test-data db test-id categorypatt)
  (let ((tdb  (db:open-test-db-by-test-id db test-id)))
    (if tdb
	(let ((res '()))
	  (sqlite3:for-each-row 
	   (lambda (id test_id category variable value expected tol units comment status type)
	     (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))
	   tdb
	   "SELECT id,test_id,category,variable,value,expected,tol,units,comment,status,type FROM test_data WHERE test_id=? AND category LIKE ? ORDER BY category,variable;" test-id categorypatt)
	  (sqlite3:finalize! tdb)
	  (reverse res))
	'())))

(define (db:load-test-data db test-id)
  (let loop ((lin (read-line)))
    (if (not (eof-object? lin))
	(begin
	  (debug:print 4 lin)
	  (rdb:csv->test-data db test-id lin)
	  (loop (read-line)))))
  ;; roll up the current results.
  ;; FIXME: Add the status to 
  (rdb:test-data-rollup db test-id #f))

;; WARNING: Do NOT call this for the parent test on an iterated test
;; Roll up test_data pass/fail results
;; look at the test_data status field, 
;;    if all are pass (any case) and the test status is PASS or NULL or '' then set test status to PASS.
;;    if one or more are fail (any case) then set test status to PASS, non "pass" or "fail" are ignored
(define (db:test-data-rollup db test-id status)
  (let ((tdb (db:open-test-db-by-test-id db test-id))
	(fail-count 0)
	(pass-count 0))
    (if tdb
	(begin
	  (sqlite3:for-each-row
	   (lambda (fcount pcount)
	     (set! fail-count fcount)
	     (set! pass-count pcount))
	   tdb 

	   "SELECT (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'fail') AS fail_count,
                   (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'pass') AS pass_count;"

	   test-id test-id)
	  (sqlite3:finalize! tdb)

	  ;; Now rollup the counts to the central megatest.db
	  (sqlite3:execute db "UPDATE tests SET fail_count=?,pass_count=? WHERE id=?;" fail-count pass-count test-id)

	  (thread-sleep! 0.1) ;; play nice with other tests

	  ;; if the test is not FAIL then set status based on the fail and pass counts.

	  (sqlite3:execute
	   db   ;;; NOTE: Should this be WARN,FAIL? A WARN is not a FAIL????? BUG FIXME
	   "UPDATE tests
                      SET status=CASE WHEN (SELECT fail_count FROM tests WHERE id=?) > 0 
                         THEN 'FAIL'
                      WHEN (SELECT pass_count FROM tests WHERE id=?) > 0 AND 
                           (SELECT status FROM tests WHERE id=?) NOT IN ('WARN','FAIL')
                      THEN 'PASS'
                      ELSE status
                  END WHERE id=?;"
	   test-id test-id test-id test-id)))))

(define (db:get-prev-tol-for-test db test-id category variable)
  ;; Finish me?
  (values #f #f #f))

;;======================================================================
;; S T E P S 
;;======================================================================

(define (db:step-get-time-as-string vec)
  (seconds->time-string (db:step-get-event_time vec)))

;; db-get-test-steps-for-run
(define (db:get-steps-for-test db test-id)
  (let* ((tdb (db:open-test-db-by-test-id db test-id))
	 (res '()))
    (if tdb
	(begin
	  (sqlite3:for-each-row 
	   (lambda (id test-id stepname state status event-time logfile)
	     (set! res (cons (vector id test-id stepname state status event-time (if (string? logfile) logfile "")) res)))
	   tdb
	   "SELECT id,test_id,stepname,state,status,event_time,logfile FROM test_steps WHERE test_id=? ORDER BY id ASC;" ;; event_time DESC,id ASC;
	   test-id)
	  (sqlite3:finalize! tdb)
	  (reverse res))
	'())))

;; get a pretty table to summarize steps
;;
(define (db:get-steps-table db test-id)
  (let ((steps   (db:get-steps-for-test db test-id)))
    ;; organise the steps for better readability
    (let ((res (make-hash-table)))

;; all prereqs must be met:
;;    if prereq test with itempath='' is COMPLETED and PASS, WARN, CHECK, or WAIVED then prereq is met
;;    if prereq test with itempath=ref-item-path and COMPLETED with PASS, WARN, CHECK, or WAIVED then prereq is met
;;
;; Note: do not convert to remote as it calls remote under the hood
;; Note: mode 'normal means that tests must be COMPLETED and ok (i.e. PASS, WARN, CHECK or WAIVED)
;;       mode 'toplevel means that tests must be COMPLETED only
;;       mode 'itemmatch means that tests items must be COMPLETED and (PASS|WARN|WAIVED|CHECK) [[ NB// NOT IMPLEMENTED YET ]]
;; 
(define (db:get-prereqs-not-met db run-id waitons ref-item-path #!key (mode 'normal))
  (if (or (not waitons)
	  (null? waitons))
      '()
      (let* ((unmet-pre-reqs '())
	     (result         '()))
	(for-each 
	 (lambda (waitontest-name)
	   ;; by getting the tests with matching name we are looking only at the matching test 
	   ;; and related sub items
	   (let ((tests             (db:get-tests-for-run db run-id waitontest-name #f '() '()))
		 (ever-seen         #f)
		 (parent-waiton-met #f)
		 (item-waiton-met   #f))
	     (for-each 
	      (lambda (test)
		;; (if (equal? waitontest-name (db:test-get-testname test)) ;; by defintion this had better be true ...
		(let* ((state             (db:test-get-state test))

	     (if (not ever-seen)
		 (set! result (append (if (null? tests)(list waitontest-name) tests) result)))))
	waitons)
      (delete-duplicates result))))

(define (db:teststep-set-status! db test-id teststep-name state-in status-in item-path comment logfile)
  (debug:print 4 "test-id: " test-id " teststep-name: " teststep-name)
  (let* ((tdb       (db:open-test-db-by-test-id db test-id))
	 (state     (check-valid-items "state" state-in))
	 (status    (check-valid-items "status" status-in)))
    (if (or (not state)(not status))
	(debug:print 0 "WARNING: Invalid " (if status "status" "state")
		     " value \"" (if status state-in status-in) "\", update your validvalues section in megatest.config"))
    (if tdb
	(begin
	  (sqlite3:execute 
	   tdb
	   "INSERT OR REPLACE into test_steps (test_id,stepname,state,status,event_time,comment,logfile) VALUES(?,?,?,?,?,?,?);"
	   test-id teststep-name state-in status-in (current-seconds) (if comment comment "") (if logfile logfile ""))
	  (sqlite3:finalize! tdb)


	  #t)
	#f)))

;;======================================================================
;; Extract ods file from the db
;;======================================================================

;; runspatt is a comma delimited list of run patterns
;; keypatt-alist must contain *all* keys with an associated pattern: '( ("KEY1" "%") .. )

  (if *runremote*
      (let ((host (vector-ref *runremote* 0))
	    (port (vector-ref *runremote* 1)))
	((rpc:procedure 'rdb:get-tests-for-run host port)
	  run-id testpatt itempatt states statuses not-in: not-in))
      (db:get-tests-for-run db run-id testpatt itempatt states statuses not-in: not-in)))

;; (define (rdb:get-test-data-by-id db test-id)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'rpc:get-test-data-by-id host port)
;; 	 test-id))
;;       (db:get-test-data-by-id db test-id)))
      
(define (rdb:get-keys db)
  (if *runremote*
      (let ((host (vector-ref *runremote* 0))
	    (port (vector-ref *runremote* 1)))
	(if *db-keys* *db-keys* 
	    (let ((keys ((rpc:procedure 'rdb:get-keys host port))))

(define (rdb:testmeta-get-record db testname)
   (if *runremote*
      (let ((host (vector-ref *runremote* 0))
	    (port (vector-ref *runremote* 1)))
	((rpc:procedure 'rdb:testmeta-get-record host port) testname))
      (db:testmeta-get-record db testname)))

;; (define (rdb:get-test-data-by-id db test-id)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'rdb:get-test-data-by-id host port) test-id))
;;       (db:get-test-data-by-id db test-id)))

(define (rdb:get-run-info db run-id)
  (if *runremote*
      (let ((host (vector-ref *runremote* 0))
	    (port (vector-ref *runremote* 1)))
	((rpc:procedure 'rdb:get-run-info host port) run-id))
      (db:get-run-info db run-id)))

(define-inline (db:test-get-rundir       vec) (vector-ref vec 10))
(define-inline (db:test-get-item-path    vec) (vector-ref vec 11))
(define-inline (db:test-get-run_duration vec) (vector-ref vec 12))
(define-inline (db:test-get-final_logf   vec) (vector-ref vec 13))
(define-inline (db:test-get-comment      vec) (vector-ref vec 14))
(define-inline (db:test-get-fullname     vec)
  (conc (db:test-get-testname vec) "/" (db:test-get-item-path vec)))




(define-inline (db:test-get-first_err    vec) (printable (vector-ref vec 15)))
(define-inline (db:test-get-first_warn   vec) (printable (vector-ref vec 16)))

(define-inline (db:test-set-cpuload!  vec val)(vector-set! vec 7 val))
(define-inline (db:test-set-diskfree! vec val)(vector-set! vec 8 val))
(define-inline (db:test-set-testname! vec val)(vector-set! vec 2 val))
(define-inline (db:test-set-state!    vec val)(vector-set! vec 3 val))
(define-inline (db:test-set-status!   vec val)(vector-set! vec 4 val))
(define-inline (db:test-set-run_duration! vec val)(vector-set! vec 12 val))
(define-inline (db:test-set-final_logf! vec val)(vector-set! vec 13 val))

;; get rows and header from 
(define-inline (db:get-header vec)(vector-ref vec 0))
(define-inline (db:get-rows   vec)(vector-ref vec 1))

;; make-vector-record db testmeta id testname author owner description reviewed iterated avg_runtime avg_disk
(define (make-db:testmeta)(make-vector 10 ""))

(define-inline (db:test-data-get-value            vec)    (vector-ref  vec 4))
(define-inline (db:test-data-get-expected         vec)    (vector-ref  vec 5))
(define-inline (db:test-data-get-tol              vec)    (vector-ref  vec 6))
(define-inline (db:test-data-get-units            vec)    (vector-ref  vec 7))
(define-inline (db:test-data-get-comment          vec)    (vector-ref  vec 8))
(define-inline (db:test-data-get-status           vec)    (vector-ref  vec 9))
(define-inline (db:test-data-get-type             vec)    (vector-ref  vec 10))

(define-inline (db:test-data-set-id!              vec val)(vector-set!  vec 0  val))
(define-inline (db:test-data-set-test_id!         vec val)(vector-set!  vec 1  val))
(define-inline (db:test-data-set-category!        vec val)(vector-set!  vec 2  val))
(define-inline (db:test-data-set-variable!        vec val)(vector-set!  vec 3  val))
(define-inline (db:test-data-set-value!           vec val)(vector-set!  vec 4  val))
(define-inline (db:test-data-set-expected!        vec val)(vector-set!  vec 5  val))
(define-inline (db:test-data-set-tol!             vec val)(vector-set!  vec 6  val))
(define-inline (db:test-data-set-units!           vec val)(vector-set!  vec 7  val))
(define-inline (db:test-data-set-comment!         vec val)(vector-set!  vec 8  val))
(define-inline (db:test-data-set-status!          vec val)(vector-set!  vec 9  val))
(define-inline (db:test-data-set-type!            vec val)(vector-set!  vec 10 val))

;;======================================================================
;; S T E P S 
;;======================================================================
;; Run steps
;; make-vector-record "Run steps" db step id test_id stepname step_complete step_pass event_time    
(define (make-db:step)(make-vector 7))

Move test specific db to test dir
=================================

. Create teststats.db
. Redirect test run stats to teststats.db
. Redirect test steps data to teststats.db
. Redirect test_data to teststats.db
. Direct dboard to get stats from teststats.db
. Redirect kill requests to teststats.db
. Kill requests need to kill all processes in the tree
. Roll up overall stats to megatest.db every five minutes or when test done
. Add any necessary tests

	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (env-ovrd  (assoc/default 'env-ovrd  cmdinfo))
	       (set-vars  (assoc/default 'set-vars  cmdinfo)) ;; pre-overrides from -setvar
	       (runname   (assoc/default 'runname   cmdinfo))
	       (megatest  (assoc/default 'megatest  cmdinfo))
	       (mt-bindir-path (assoc/default 'mt-bindir-path cmdinfo))
	       (fullrunscript (if runscript (conc testpath "/" runscript) #f))

	       (rollup-status 0))
	  
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  ;; apply pre-overrides before other variables. The pre-override vars must not
	  ;; clobbers things from the official sources such as megatest.config and runconfigs.config
	  (if (string? set-vars)
	      (let ((varpairs (string-split set-vars ",")))

	  (setenv "MT_MEGATEST"  megatest)
	  (setenv "MT_TARGET"    target)
	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  (change-directory top-path)
	  (if (not (setup-for-run))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory *toppath*)





	  (open-run-close set-megatest-env-vars #f run-id) ;; these may be needed by the launching process
	  (change-directory work-area) 

	  (open-run-close set-run-config-vars #f run-id)
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (open-run-close set-megatest-env-vars #f run-id)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  (open-run-close test-set-meta-info #f test-id run-id test-name itemdat 0)
	  (open-run-close test-set-status! #f test-id "REMOTEHOSTSTART" "n/a" (args:get-arg "-m") #f)
	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test
	  ;; so this is a good place to remove the records for 
	  ;; any previous runs
	  ;; (db:test-remove-steps db run-id testname itemdat)
	  





	  (let* ((m            (make-mutex))
		 (kill-job?    #f)
		 (exit-info    (vector #t #t #t))
		 (job-thread   #f)
		 (runit        (lambda ()
				 ;; (let-values
				 ;;  (((pid exit-status exit-code)
				 ;;    (run-n-wait fullrunscript)))
				 (open-run-close test-set-status! #f test-id "RUNNING" "n/a" #f #f)
				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))
				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)

						(thread-sleep! 2)
						(loop (+ i 1)))
					      )))))
				 ;; then, if runscript ran ok (or did not get called)
				 ;; do all the ezsteps (if any)
				 (if ezsteps
				     (let* ((testconfig (read-config (conc work-area "/testconfig") #f #t environ-patt: "pre-launch-env-vars")) ;; FIXME??? is allow-system ok here?
					    (ezstepslst (hash-table-ref/default testconfig "ezsteps" '())))



				       (if (not (file-exists? ".ezsteps"))(create-directory ".ezsteps"))
				       ;; if ezsteps was defined then we are sure to have at least one step but check anyway
				       (if (not (> (length ezstepslst) 0))
					   (debug:print 0 "ERROR: ezsteps defined but ezstepslst is zero length")
					   (let loop ((ezstep (car ezstepslst))
						      (tal    (cdr ezstepslst))
						      (prevstep #f))

						   ;;       (set! script (conc script "source " prev-env))))
						   
						   ;; call the command using mt_ezstep
						   (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "-") " " stepcmd))

						   (debug:print 4 "script: " script)

						   (open-run-close db:teststep-set-status! #f test-id stepname "start" "-" itemdat #f #f)
						   ;; now launch
						   (let ((pid (process-run script)))
						     (let processloop ((i 0))
						       (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
								   (mutex-lock! m)
								   (vector-set! exit-info 0 pid)
								   (vector-set! exit-info 1 exit-status)
								   (vector-set! exit-info 2 exit-code)
								   (mutex-unlock! m)
								   (if (eq? pid-val 0)
								       (begin
									 (thread-sleep! 2)
									 (processloop (+ i 1))))
								   ))
                                                     (let ((exinfo (vector-ref exit-info 2))
                                                           (logfna (if logpro-used (conc stepname ".html") "")))
                                                        ;; testing if procedures called in a remote call cause problems (ans: no or so I suspect)
						        (open-run-close db:teststep-set-status! #f test-id stepname "end" exinfo itemdat #f logfna))
						     (if logpro-used
							 (open-run-close db:test-set-log! #f test-id (conc stepname ".html")))
						     ;; set the test final status
						     (let* ((this-step-status (cond
									       ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
									       ((eq? (vector-ref exit-info 2) 0)                   'pass)
									       (else 'fail)))
							    (overall-status   (cond
									       ((eq? rollup-status 2) 'warn)

						       (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
								    " this-step-status: " this-step-status " overall-status: " overall-status 
								    " next-status: " next-status " rollup-status: " rollup-status)
						       (case next-status
							 ((warn)
							  (set! rollup-status 2)
							  ;; NB// test-set-status! does rdb calls under the hood
							  (open-run-close test-set-status! #f test-id "RUNNING" "WARN" 
									    (if (eq? this-step-status 'warn) "Logpro warning found" #f)
									    #f))
							 ((pass)
							  (open-run-close test-set-status! #f test-id "RUNNING" "PASS" #f #f))
							 (else ;; 'fail
							  (set! rollup-status 1) ;; force fail
							  (open-run-close test-set-status! #f test-id "RUNNING" "FAIL" (conc "Failed at step " stepname) #f)
							  ))))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
					     (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   (let loop ((minutes   (calc-minutes)))
				     ;; (let* (;; (db       (open-db))
					    ;; (cpuload  (get-cpu-load))
					    ;; (diskfree (get-df (current-directory)))
					    ;; (tmpfree  (get-df "/tmp")))
				     (begin
				       ;; (if (not (args:get-arg "-server"))
				       ;;	   (server:client-setup db))
				       ;; (if (not cpuload)  (begin (debug:print 0 "WARNING: CPULOAD not found.")  (set! cpuload "n/a")))
				       ;; (if (not diskfree) (begin (debug:print 0 "WARNING: DISKFREE not found.") (set! diskfree "n/a")))
				       (set! kill-job? (open-run-close test-get-kill-request #f test-id)) ;; run-id test-name itemdat))
				       (open-run-close test-set-meta-info #f test-id run-id test-name itemdat minutes)
				       ;; (rdb:test-update-meta-info db test-id minutes cpuload diskfree tmpfree)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     (let* ((pid (vector-ref exit-info 0)))
					       (if (number? pid)
						   (begin
						     (debug:print 0 "WARNING: Request received to kill job (attempt # " kill-tries ")")

								(begin
								  (debug:print 0 "Killing " (cadr parts) "; kill -9  " p-id)
								  (system (conc "kill -9 " p-id))))))
							(car processes))
						       (system (conc "kill -9 " pid))))
						   (begin
						     (debug:print 0 "WARNING: Request received to kill job but problem with process, attempting to kill manager process")
						     (open-run-close test-set-status! #f test-id "KILLED"  "FAIL"
								       (args:get-arg "-m") #f)
						     (sqlite3:finalize! tdb)
						     (exit 1))))
					     (set! kill-tries (+ 1 kill-tries))
					     (mutex-unlock! m)))
				       ;; (sqlite3:finalize! db)
				       (thread-sleep! (+ 10 (random 10))) ;; add some jitter to the call home time to spread out the db accesses
				       (loop (calc-minutes)))))))
		 (th1          (make-thread monitorjob))
		 (th2          (make-thread runit)))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (mutex-lock! m)
	    ;; (set! db (open-db))
	    ;; (if (not (args:get-arg "-server"))
	    ;;	(server:client-setup db))
	    (let* ((item-path (item-list->path itemdat))
		   (testinfo  (open-run-close db:get-test-info-by-id #f test-id))) ;; )) ;; run-id test-name item-path)))
	      (if (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (begin
		    (debug:print 2 "Test NOT logged as COMPLETED, (state=" (db:test-get-state testinfo) "), updating result, rollup-status is " rollup-status)
		    (open-run-close test-set-status! #f test-id 
				      (if kill-job? "KILLED" "COMPLETED")
				      ;; Old logic:
				      ;; (if (vector-ref exit-info 1) ;; look at the exit-status, #t means it at least ran
				      ;;     (if (and (not kill-job?) 
				      ;;         (eq? (vector-ref exit-info 2) 0)) ;; we can now use rollup-status instead
				      ;;         "PASS"
				      ;;         "FAIL")

				       ((eq? rollup-status 2)
					;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
					(if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				       (else "FAIL"))
				      (args:get-arg "-m") #f)))
	      ;; for automated creation of the rollup html file this is a good place...
	      (if (not (equal? item-path ""))
		  (open-run-close tests:summarize-items #f run-id test-name #f)) ;; don't force - just update if no
	      )
	    (mutex-unlock! m)
	    ;; (exec-results (cmd-run->list fullrunscript)) ;;  (list ">" (conc test-name "-run.log"))))
	    ;; (success      exec-results)) ;; (eq? (cadr exec-results) 0)))
	    (debug:print 2 "Output from running " fullrunscript ", pid " (vector-ref exit-info 0) " in work area " 
			 work-area ":\n====\n exit code " (vector-ref exit-info 2) "\n" "====\n")
	    ;; (sqlite3:finalize! db)
	    ;; (sqlite3:finalize! tdb)
	    (if (not (vector-ref exit-info 1))
		(exit 4)))))))

;; set up the very basics needed for doing anything here.
(define (setup-for-run)
  ;; would set values for KEYS in the environment here for better support of env-override but 
  ;; have chicken/egg scenario. need to read megatest.config then read it again. Going to 

;; 
;;  <linkdir> - <target> - <testname> [ - <itempath> ]
;; 
;; All log file links should be stored relative to the top of link path
;;  
;; <target> - <testname> [ - <itempath> ] 
;;
(define (create-work-area db run-id test-id test-src-path disk-path testname itemdat)
  (let* ((run-info (db:get-run-info db run-id))
	 (item-path (item-list->path itemdat))
	 (runname  (db:get-value-by-header (db:get-row run-info)
					   (db:get-header run-info)
					   "runname"))
	 ;; convert back to db: from rdb: - this is always run at server end
	 (key-vals (db:get-key-vals db run-id))

    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 

    ;; NB - This is not working right - some top tests are not getting the path set!!!

    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (db:get-test-info-by-id db test-id)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo (db:test-get-rundir testinfo) #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  (db:test-set-rundir! db run-id testname "" lnkpath) ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print 2 "INFO: Creating " toptest-path " and link " lnkpath)

	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 (item-path (item-list->path itemdat))
	 (test-id    (open-run-close db:get-test-id db run-id test-name item-path))
	 (testinfo   (open-run-close db:get-test-info-by-id db test-id))
	 (mt_target  (string-intersperse (map cadr keyvallst) "/"))
	 (debug-param (if (args:get-arg "-debug")(list "-debug" (args:get-arg "-debug")) '())))
    (if hosts (set! hosts (string-split hosts)))
    ;; set the megatest to be called on the remote host
    (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
    (set! mt-bindir-path (pathname-directory remote-megatest))
    (if launcher (set! launcher (string-split launcher)))
    ;; set up the run work area for this test
    (set! diskpath (get-best-disk *configdat*))
    (if diskpath
	(let ((dat  (open-run-close create-work-area db run-id test-id test-path diskpath test-name itemdat)))
	  (set! work-area (car dat))
	  (set! toptest-work-area (cadr dat))
	  (debug:print 2 "INFO: Using work area " work-area))
	(begin
	  (set! work-area (conc test-path "/tmp_run"))
	  (create-directory work-area #t)
	  (debug:print 0 "WARNING: No disk work area specified - running in the test directory under tmp_run")))

							  (list 'ezsteps   ezsteps) 
							  (list 'target    mt_target)
							  (list 'env-ovrd  (hash-table-ref/default *configdat* "env-override" '())) 
							  (list 'set-vars  (if params (hash-table-ref/default params "-setvars" #f)))
							  (list 'runname   runname)
							  (list 'mt-bindir-path mt-bindir-path))))))) ;; (string-intersperse keyvallst " "))))
    ;; clean out step records from previous run if they exist
    (debug:print 4 "INFO: FIXMEEEEE!!!! This can be removed some day, perhaps move all test records to the test db?")
    (open-run-close db:delete-test-step-records db test-id)
    (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir
    (open-run-close test-set-status! db test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (cond
     ((and launcher hosts) ;; must be using ssh hostname
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))
     (else
      (if (not useshell)(debug:print 0 "WARNING: internal launching will not work well without \"useshell yes\" in your [jobtools] section"))
      (set! fullcmd (append (list remote-megatest test-sig "-execute" cmdparms) debug-param (list (if useshell "&" ""))))))
    ;; (set! fullcmd (list remote-megatest test-sig "-execute" cmdparms (if useshell "&" "")))))
    (if (args:get-arg "-xterm")(set! fullcmd (append fullcmd (list "-xterm"))))
    (debug:print 1 "Launching " work-area)

    ;; set pre-launch-env-vars before launching, keep the vars in prevvals and put the envionment back when done
    (debug:print 4 "fullcmd: " fullcmd)
    (let* ((commonprevvals (alist->env-vars
			    (hash-table-ref/default *configdat* "env-override" '())))
	   (testprevvals   (alist->env-vars
			    (hash-table-ref/default test-conf "pre-launch-env-overrides" '())))
	   (miscprevvals   (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"

	(lambda ()
	  (apply print launch-results)))
      (debug:print 2 "Launching completed, updating db")
      (debug:print 2 "Launch results: " launch-results)
      (if (not launch-results)
	  (begin
	    (print "ERROR: Failed to run " (string-intersperse fullcmd " ") ", exiting now")
	    ;; (sqlite3:finalize! db)
	    ;; good ole "exit" seems not to work
	    ;; (_exit 9)
	    ;; but this hack will work! Thanks go to Alan Post of the Chicken email list
	    ;; NB// Is this still needed? Should be safe to go back to "exit" now?
	    (process-signal (current-process-id) signal/kill)
	    ))
      (alist->env-vars miscprevvals)
      (alist->env-vars testprevvals)
      (alist->env-vars commonprevvals)
      launch-results))
  (change-directory *toppath*))

;; Always use two digit decimal
;; 1.01, 1.02...1.10,1.11 ... 1.99,2.00..

(declare (unit megatest-version))

(define megatest-version 1.46)

    (vector header res)))

(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 ")")))))

;; Awful. Please FIXME
(define *env-vars-by-run-id* (make-hash-table))
(define *current-run-name*   #f)

(define (set-megatest-env-vars db run-id)
  (let ((keys (db:get-keys db))
	(vals (hash-table-ref/default *env-vars-by-run-id* run-id #f)))
    ;; get the info from the db and put it in the cache
    (if (not vals)
	(let ((ht (make-hash-table)))
	  (hash-table-set! *env-vars-by-run-id* run-id ht)
	  (set! vals ht)
	  (for-each
	   (lambda (key)
	     (sqlite3:for-each-row
	      (lambda (val)

		(hash-table-set! vals key val))
	      db 
	      (conc "SELECT " (key:get-fieldname key) " FROM runs WHERE id=?;")
	      run-id))
	   keys)))
    ;; from the cached data set the vars
    (hash-table-for-each
     vals
     (lambda (key val)
       (debug:print 2 "setenv " (key:get-fieldname key) " " val)
       (setenv (key:get-fieldname key) val)))
    (alist->env-vars (hash-table-ref/default *configdat* "env-override" '()))
    ;; Lets use this as an opportunity to put MT_RUNNAME in the environment
    (if (not *current-run-name*)
	(sqlite3:for-each-row
	 (lambda (runname)
	   (set! *current-run-name* runname))

	 db
	 "SELECT runname FROM runs WHERE id=?;"
	 run-id))
    (setenv "MT_RUNNAME" *current-run-name*)
    (setenv "MT_RUN_AREA_HOME" *toppath*)
    ))

(define (set-item-env-vars itemdat)
  (for-each (lambda (item)
	      (debug:print 2 "setenv " (car item) " " (cadr item))
	      (setenv (car item) (cadr item)))
	    itemdat))

(define *last-num-running-tests* 0)
(define (runs:can-run-more-tests db test-record)
  (let* ((tconfig                 (tests:testqueue-get-testconfig test-record))
	 (jobgroup                (config-lookup tconfig "requirements" "jobgroup"))
	 (num-running             (db:get-count-tests-running db))
	 (num-running-in-jobgroup (db:get-count-tests-running-in-jobgroup db jobgroup))
	 (max-concurrent-jobs     (config-lookup *configdat* "setup"     "max_concurrent_jobs"))
	 (job-group-limit         (config-lookup *configdat* "jobgroups" jobgroup)))
    (if (not (eq? *last-num-running-tests* num-running))
	(begin
	  (debug:print 2 "max-concurrent-jobs: " max-concurrent-jobs ", num-running: " num-running)
	  (set! *last-num-running-tests* num-running)))
    (if (not (eq? 0 *globalexitstatus*))
	#f
	(let ((can-not-run-more (cond
				 ;; if max-concurrent-jobs is set and the number running is greater 
				 ;; than it than cannot run more jobs
				 ((and max-concurrent-jobs
				       (string->number max-concurrent-jobs)

    (if (eq? *passnum* 0)
	(begin
	  ;; have to delete test records where NOT_STARTED since they can cause -keepgoing to 
	  ;; get stuck due to becoming inaccessible from a failed test. I.e. if test B depends 
	  ;; on test A but test B reached the point on being registered as NOT_STARTED and test
	  ;; A failed for some reason then on re-run using -keepgoing the run can never complete.
	  (db:delete-tests-in-state db run-id "NOT_STARTED")
	  (db:set-tests-state-status db run-id test-names #f "FAIL" "NOT_STARTED" "FAIL")))

    ;; from here on out the db will be opened and closed on every call runs:run-tests-queue
    (sqlite3:finalize! db) 
    ;; now add non-directly referenced dependencies (i.e. waiton)
    (if (not (null? test-names))
	(let loop ((hed (car test-names))
		   (tal (cdr test-names)))         ;; 'return-procs tells the config reader to prep running system but return a proc
	  (debug:print 4 "INFO: hed=" hed " at top of loop")
	  (let* ((config  (tests:get-testconfig hed 'return-procs))
		 (waitons (if config (string-split (let ((w (config-lookup config "requirements" "waiton")))
						     (if w w "")))
			      (begin
				(debug:print 0 "ERROR: non-existent required test \"" hed "\"")
                                (sqlite3:finalize! db)
				(exit 1)))))

	    (let ((remtests (delete-duplicates (append waitons tal))))
	      (if (not (null? remtests))
		  (loop (car remtests)(cdr remtests)))))))

    (if (not (null? required-tests))
	(debug:print 1 "INFO: Adding " required-tests " to the run queue"))
    ;; NOTE: these are all parent tests, items are not expanded yet.
    (debug:print 4 "INFO: test-records=" (hash-table->alist test-records))
    (runs:run-tests-queue run-id runname test-records keyvallst flags)

    (debug:print 1 "INFO: running queue one more time to catch any changed test states")
    (runs:run-tests-queue run-id runname test-records keyvallst flags)
    (debug:print 4 "INFO: All done by here")))

;; test-records is a hash table testname:item_path => vector < testname testconfig waitons priority items-info ... >
(define (runs:run-tests-queue run-id runname test-records keyvallst flags)
    ;; At this point the list of parent tests is expanded 
    ;; NB// Should expand items here and then insert into the run queue.
  (debug:print 5 "test-records: " test-records ", keyvallst: " keyvallst " flags: " (hash-table->alist flags))
  (let ((sorted-test-names (tests:sort-by-priority-and-waiton test-records))
	(item-patts        (hash-table-ref/default flags "-itempatt" #f))
	(test-registery    (make-hash-table))
	(num-retries        0)
	(max-retries       (config-lookup *configdat* "setup" "maxretries")))
    (set! max-retries (if (and max-retries (string->number max-retries))(string->number max-retries) 100))
    (if (not (null? sorted-test-names))
	(let loop ((hed         (car sorted-test-names))
		   (tal         (cdr sorted-test-names))

		   (reruns      '()))
	  (if (not (null? reruns))(debug:print 4 "INFO: reruns=" reruns))
	  (let* ((test-record (hash-table-ref test-records hed))
		 (test-name   (tests:testqueue-get-testname test-record))
		 (tconfig     (tests:testqueue-get-testconfig test-record))
		 (testmode    (let ((m (config-lookup tconfig "requirements" "mode")))
				(if m (string->symbol m) 'normal)))
		 (waitons     (tests:testqueue-get-waitons    test-record))
		 (priority    (tests:testqueue-get-priority   test-record))
		 (itemdat     (tests:testqueue-get-itemdat    test-record)) ;; itemdat can be a string, list or #f
		 (items       (tests:testqueue-get-items      test-record))
		 (item-path   (item-list->path itemdat))
		 (newtal      (append tal (list hed)))
		 (calc-fails  (lambda (prereqs-not-met)
				(filter (lambda (test)

					  (and (vector? test) ;; not (string? test))
					       (equal? (db:test-get-state test) "COMPLETED")
					       (not (member (db:test-get-status test)
							    '("PASS" "WARN" "CHECK" "WAIVED")))))
					prereqs-not-met)))
		 (calc-not-completed (lambda (prereqs-not-met)
				       (filter
					(lambda (t)
					  (or (not (vector? t))
					      (not (equal? "COMPLETED" (db:test-get-state t)))))
					prereqs-not-met)))
		 (pretty-string (lambda (lst)
				  (map (lambda (t)
					 (if (not (vector? t))
					     (conc t)
					     (conc (db:test-get-testname t) ":" (db:test-get-state t) "/" (db:test-get-status t))))
				       lst))))
	    
	    (debug:print 6
			 "test-name: " test-name
			 "\n  hed:         " hed
			 "\n  itemdat:     " itemdat
			 "\n  items:       " items
			 "\n  item-path:   " item-path
			 "\n  waitons:     " waitons
			 "\n  num-retries: " num-retries)

	    ;; 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))))

	    (cond
	     ((not items) ;; when false the test is ok to be handed off to launch (but not before)
	      (let* ((have-resources  (open-run-close runs:can-run-more-tests #f test-record)) ;; look at the test jobgroup and tot jobs running
		     (prereqs-not-met (open-run-close db:get-prereqs-not-met #f run-id waitons item-path mode: testmode))
		     (fails           (calc-fails prereqs-not-met))
		     (non-completed   (calc-not-completed prereqs-not-met)))
		(debug:print 8 "INFO: 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))
					 (conc " WARNING: t is not a vector=" t )))
				   prereqs-not-met) ", ") " fails: " fails)
		(debug:print 4 "INFO: hed=" hed)
		;; Don't know at this time if the test have been launched at some time in the past
		;; i.e. is this a re-launch?
		(cond
		 ((not (patt-list-match item-path item-patts))
		  ;; else the run is stuck, temporarily or permanently
		  ;; but should check if it is due to lack of resources vs. prerequisites
		  (debug:print 1 "INFO: Skipping " (tests:testqueue-get-testname test-record) " " item-path " as it doesn't match " item-patts)
		  (if (not (null? tal))
		      (loop (car tal)(cdr tal) reruns)))
		 ((not (hash-table-ref/default test-registery (conc test-name "/" item-path) #f))
		  (open-run-close db:tests-register-test #f run-id test-name item-path)
		  (hash-table-set! test-registery (conc test-name "/" item-path) #t)
		  (loop (car newtal)(cdr newtal) reruns))
		 ((not have-resources) ;; simply try again after waiting a second
		  (thread-sleep! (+ 1 *global-delta*))
		  (debug:print 1 "INFO: no resources to run new tests, waiting ...")
		  ;; could have done hed tal here but doing car/cdr of newtal to rotate tests
		  (loop (car newtal)(cdr newtal) reruns))
		 ((and have-resources
		       (or (null? prereqs-not-met)
			   (and (eq? testmode 'toplevel)
				(null? non-completed))))
		  ;; no loop here, just drop though and use the loop at the bottom 

		  (run:test run-id runname keyvallst test-record flags #f))









		 (else ;; must be we have unmet prerequisites
		    (debug:print 4 "FAILS: " fails)
		    ;; If one or more of the prereqs-not-met are FAIL then we can issue
		    ;; a message and drop hed from the items to be processed.
		    (if (null? fails)
			(begin
			  ;; couldn't run, take a breather
			  (debug:print 4 "INFO: Shouldn't really get here, race condition? Unable to launch more tests at this moment, killing time ...")
			  (thread-sleep! (+ 1 *global-delta*)) ;; long sleep here - no resources, may as well be patient
			  ;; we made new tal by sticking hed at the back of the list
			  (loop (car newtal)(cdr newtal) reruns))
			;; the waiton is FAIL so no point in trying to run hed ever again
			(if (not (null? tal))
			    (if (vector? hed)
				(begin (debug:print 1 "WARN: Dropping test " (db:test-get-testname hed) "/" (db:test-get-item-path hed)
						    " from the launch list as it has prerequistes that are FAIL")
				       (loop (car tal)(cdr tal) (cons hed reruns)))
				(begin
				  (debug:print 1 "WARN: Test not processed correctly. Could be a race condition in your test implementation? " hed) ;;  " as it has prerequistes that are FAIL. (NOTE: hed is not a vector)")
				  (loop hed tal reruns)))))))))
	     
	     ;; case where an items came in as a list been processed
	     ((and (list? items)     ;; thus we know our items are already calculated
		   (not   itemdat)) ;; and not yet expanded into the list of things to be done
	      (if (and (>= *verbosity* 1)
		       (> (length items) 0)
		       (> (length (car items)) 0))

			 (tests:testqueue-set-items!     new-test-record #f)
			 (tests:testqueue-set-itemdat!   new-test-record my-itemdat)
			 (tests:testqueue-set-item_path! new-test-record my-item-path)
			 (hash-table-set! test-records newtestname new-test-record)
			 (set! tal (cons newtestname tal)))))) ;; since these are itemized create new test names testname/itempath
	       items)
	      (if (not (null? tal))
		  (loop (car tal)(cdr tal) reruns)))

	     ;; if items is a proc then need to run items:get-items-from-config, get the list and loop 
	     ;;    - but only do that if resources exist to kick off the job
	     ((or (procedure? items)(eq? items 'have-procedure))
	      (let ((can-run-more    (open-run-close runs:can-run-more-tests #f test-record)))
		(if can-run-more
		    (let* ((prereqs-not-met (open-run-close db:get-prereqs-not-met #f run-id waitons item-path mode: testmode))
			   (fails           (calc-fails prereqs-not-met))
			   (non-completed   (calc-not-completed prereqs-not-met)))
		      (debug:print 8 "INFO: can-run-more: " can-run-more
				   "\n testname:        " hed
				   "\n prereqs-not-met: " (pretty-string prereqs-not-met)
				   "\n non-completed:   " (pretty-string non-completed) 
				   "\n fails:           " (pretty-string fails)
				   "\n testmode:        " testmode
				   "\n num-retries:     " num-retries
				   "\n (eq? testmode 'toplevel): " (eq? testmode 'toplevel)
				   "\n (null? non-completed):    " (null? non-completed)
				   "\n reruns: " reruns)
		      (cond 
		       ((or (null? prereqs-not-met) ;; all prereqs met, fire off the test
			    ;; or, if it is a 'toplevel test and all prereqs not met are COMPLETED then launch
			    (and (eq? testmode 'toplevel)
				 (null? non-completed)))
			(let ((test-name (tests:testqueue-get-testname test-record)))
			  (setenv "MT_TEST_NAME" test-name) ;; 
			  (setenv "MT_RUNNAME"   runname)
			  (open-run-close set-megatest-env-vars #f run-id) ;; these may be needed by the launching process
			  (let ((items-list (items:get-items-from-config tconfig)))
			    (if (list? items-list)
				(begin
				  (tests:testqueue-set-items! test-record items-list)
				  (loop hed tal reruns))
				(begin
				  (debug:print 0 "ERROR: The proc from reading the setup did not yield a list - please report this")
				  (exit 1))))))
		       ((null? fails)
			(debug:print 4 "INFO: fails is null, moving on in the queue but keeping " hed " for now")
			(loop (car newtal)(cdr newtal) reruns)) ;; an issue with prereqs not yet met?
		       ((and (not (null? fails))(eq? testmode 'normal))
			(debug:print 1 "INFO: test "  hed " (mode=" testmode ") has failed prerequisite(s); "
				     (string-intersperse (map (lambda (t)(conc (db:test-get-testname t) ":" (db:test-get-state t)"/"(db:test-get-status t))) fails) ", ")
				     ", removing it from to-do list")
			(if (not (null? tal))
			    (loop (car tal)(cdr tal)(cons hed reruns))))
		       (else
			(debug:print 8 "ERROR: No handler for this condition.")
			;; 	     "\n  hed:            " hed 
			;; 	     "\n fails:           " (string-intersperse (map db:test-get-testname fails) ",")
			;; 	     "\n testmode:        " testmode
			;; 	     "\n prereqs-not-met: " (pretty-string prereqs-not-met)
			;; 	     "\n items:           " items)
			(loop (car newtal)(cdr newtal) reruns))))
		    ;; if can't run more just loop with next possible test
		    (begin
		      (debug:print 4 "INFO: processing the case with a lambda for items or 'have-procedure. Moving through the queue without dropping " hed)
		      (thread-sleep! (+ 1 *global-delta*))
		      (loop (car newtal)(cdr newtal) reruns)))))
	     
	     ;; this case should not happen, added to help catch any bugs
	     ((and (list? items) itemdat)
	      (debug:print 0 "ERROR: Should not have a list of items in a test and the itemspath set - please report this")
	      (exit 1))))
	  
	  ;; we get here on "drop through" - loop for next test in queue
	  (if (null? tal)
	      (begin
		;; FIXME!!!! THIS SHOULD NOT REQUIRE AN EXIT!!!!!!!
		(debug:print 1 "INFO: All tests launched")
		(thread-sleep! 0.5)
		;; FIXME! This harsh exit should not be necessary....
		(if (not *runremote*)(exit)) ;; 
		#f) ;; return a #f as a hint that we are done
	      ;; Here we need to check that all the tests remaining to be run are eligible to run
	      ;; and are not blocked by failed
	      (let* ((newlst (open-run-close tests:filter-non-runnable #f run-id tal test-records)) ;; i.e. not FAIL, WAIVED, INCOMPLETE, PASS, KILLED,
		     (junked (lset-difference equal? tal newlst)))
		(debug:print 4 "INFO: full drop through, if reruns is less than 100 we will force retry them: " reruns)
		(if (< num-retries max-retries)
		    (set! newlst (append reruns newlst)))
		(set! num-retries (+ num-retries 1))
		(thread-sleep! *global-delta*)
		(if (not (null? newlst))
		    ;; since reruns have been tacked on to newlst create new reruns from junked
		    (loop (car newlst)(cdr newlst)(delete-duplicates junked)))))))))

;; parent-test is there as a placeholder for when parent-tests can be run as a setup step
(define (run:test run-id runname keyvallst test-record flags parent-test)
  ;; All these vars might be referenced by the testconfig file reader
  (let* ((test-name    (tests:testqueue-get-testname   test-record))
	 (test-waitons (tests:testqueue-get-waitons    test-record))
	 (test-conf    (tests:testqueue-get-testconfig test-record))
	 (itemdat      (tests:testqueue-get-itemdat    test-record))
	 (test-path    (conc *toppath* "/tests/" test-name)) ;; could use tests:get-testconfig here ...
	 (force        (hash-table-ref/default flags "-force" #f))
	 (rerun        (hash-table-ref/default flags "-rerun" #f))
	 (keepgoing    (hash-table-ref/default flags "-keepgoing" #f))
	 (item-path     "")
	 (db           #f))
    (debug:print 4
		 "test-config: " (hash-table->alist test-conf)
		 "\n   itemdat: " itemdat
		 )
    ;; setting itemdat to a list if it is #f
    (if (not itemdat)(set! itemdat '()))
    (set! item-path (item-list->path itemdat))
    (debug:print 2 "Attempting to launch test " test-name (if (equal? item-path "/") "/" item-path))
    (setenv "MT_TEST_NAME" test-name) ;; 
    (setenv "MT_RUNNAME"   runname)
    (open-run-close set-megatest-env-vars db run-id) ;; these may be needed by the launching process
    (change-directory *toppath*)

    ;; Here is where the test_meta table is best updated
    ;; Yes, another use of a global for caching. Need a better way?
    (if (not (hash-table-ref/default *test-meta-updated* test-name #f))
        (begin
	   (hash-table-set! *test-meta-updated* test-name #t)
           (open-run-close runs:update-test_meta db test-name test-conf)))
    
    ;; (lambda (itemdat) ;;; ((ripeness "overripe") (temperature "cool") (season "summer"))
    (let* ((new-test-path (string-intersperse (cons test-path (map cadr itemdat)) "/"))
	   (new-test-name (if (equal? item-path "") test-name (conc test-name "/" item-path))) ;; just need it to be unique

	   (test-id       (open-run-close db:get-test-id db  run-id test-name item-path))
	   (testdat       (open-run-close db:get-test-info-by-id db test-id)))
      (if (not testdat)
	  (begin
	    ;; ensure that the path exists before registering the test
	    ;; NOPE: Cannot! Don't know yet which disk area will be assigned....
	    ;; (system (conc "mkdir -p " new-test-path))
	    ;;
	    ;; (open-run-close tests:register-test db run-id test-name item-path)
	    ;;
	    ;; NB// for the above line. I want the test to be registered long before this routine gets called!
	    ;;
	    (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))
	    (if (not test-id)
		(begin
		  (debug:print 2 "WARN: Test not pre-created? test-name=" test-name ", item-path=" item-path ", run-id=" run-id)
		  (open-run-close db:tests-register-test db run-id test-name item-path)
		  (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))))
	    (debug:print 4 "INFO: test-id=" test-id ", run-id=" run-id ", test-name=" test-name ", item-path=\"" item-path "\"")
	    (set! testdat (open-run-close db:get-test-info-by-id db test-id))))
      (set! test-id (db:test-get-id testdat))
      (change-directory test-path)
      (case (if force ;; (args:get-arg "-force")
		'NOT_STARTED
		(if testdat
		    (string->symbol (test:get-state testdat))
		    'failed-to-insert))

	   (if (not runflag)
	       (if (not parent-test)
		   (debug:print 1 "NOTE: Not starting test " new-test-name " as it is state \"" (test:get-state testdat) 
				"\" and status \"" (test:get-status testdat) "\", use -rerun \"" (test:get-status testdat)
                                "\" or -force to override"))
	       ;; NOTE: No longer be checking prerequisites here! Will never get here unless prereqs are
	       ;;       already met.
	       (if (not (launch-test #f run-id runname test-conf keyvallst test-name test-path itemdat flags))
		   (begin
		     (print "ERROR: Failed to launch the test. Exiting as soon as possible")
		     (set! *globalexitstatus* 1) ;; 
		     (process-signal (current-process-id) signal/kill))))))
	((KILLED) 
	 (debug:print 1 "NOTE: " new-test-name " is already running or was explictly killed, use -force to launch it."))
	((LAUNCHED REMOTEHOSTSTART RUNNING)  
	 (if (> (- (current-seconds)(+ (db:test-get-event_time testdat)
				       (db:test-get-run_duration testdat)))
		600) ;; i.e. no update for more than 600 seconds
	     (begin
	       (debug:print 0 "WARNING: Test " test-name " appears to be dead. Forcing it to state INCOMPLETE and status STUCK/DEAD")
	       (open-run-close test-set-status! db test-id "INCOMPLETE" "STUCK/DEAD" "Test is stuck or dead" #f))
	     (debug:print 2 "NOTE: " test-name " is already running")))
	(else       (debug:print 0 "ERROR: Failed to launch test " new-test-name ". Unrecognised state " (test:get-state testdat)))))))

;;======================================================================
;; END OF NEW STUFF
;;======================================================================

     (lambda (run)
       (let ((runkey (string-intersperse (map (lambda (k)
						(db:get-value-by-header run header (vector-ref k 0))) keys) "/"))
	     (dirs-to-remove (make-hash-table)))
	 (let* ((run-id    (db:get-value-by-header run header "id"))
		(run-state (db:get-value-by-header run header "state"))
		(tests     (if (not (equal? run-state "locked"))
			       (db:get-tests-for-run db (db:get-value-by-header run header "id")
						      testpatt itempatt states statuses
						      not-in:  #f
						      sort-by: (case action
								 ((remove-runs) 'rundir)
								 (else          'event_time)))
			       '()))
		(lasttpath "/does/not/exist/I/hope"))

		    (debug:print 1 "Modifying state and staus for tests for run: " runkey " " (db:get-value-by-header run header "runname")))
		   (else
		    (print "INFO: action not recognised " action)))
		 (for-each
		  (lambda (test)
		    (let* ((item-path (db:test-get-item-path test))
			   (test-name (db:test-get-testname test))
			   (run-dir   (db:test-get-rundir test))
			   (test-id   (db:test-get-id test)))
		      ;;   (tdb       (db:open-test-db run-dir)))
		      (debug:print 1 "  " (db:test-get-testname test) " id: " (db:test-get-id test) " " item-path " action: " action)
		      (case action
			((remove-runs) ;; the tdb is for future possible. 
			 (db:delete-test-records db #f (db:test-get-id test))
			 (debug:print 1 "INFO: Attempting to remove dir " run-dir)
			 (if (and (> (string-length run-dir) 5)
				  (file-exists? run-dir)) ;; bad heuristic but should prevent /tmp /home etc.
			     (let* ((realpath (resolve-pathname run-dir)))
			       (debug:print 1 "INFO: Real path of is " realpath)
			       (if (file-exists? realpath)
				   (if (> (system (conc "rm -rf " realpath)) 0)

					       (debug:print 0 "WARNING: refusing to remove " run-dir " as it is not empty")
					       (delete-directory run-dir)) ;; it should be empty by here BUG BUG, add error catch
					   (debug:print 0 "ERROR: refusing to remove " run-dir " as it is neither a symlink nor a directory")
					   ))))
			     (debug:print 0 "WARNING: directory already removed " run-dir)))
			((set-state-status)
			 (debug:print 2 "INFO: new state " (car state-status) ", new status " (cadr state-status))
			 (open-run-close db:test-set-state-status-by-id db (db:test-get-id test) (car state-status)(cadr state-status) #f)))))
		  tests)))
	   
	   ;; remove the run if zero tests remain
	   (if (eq? action 'remove-runs)
	       (let ((remtests (db:get-tests-for-run db (db:get-value-by-header run header "id") #f #f '("DELETED") '("n/a") not-in: #t)))
		 (if (null? remtests) ;; no more tests remaining
		     (let* ((dparts  (string-split lasttpath "/"))
			    (runpath (conc "/" (string-intersperse 
						(take dparts (- (length dparts) 1))
						"/"))))
		       (debug:print 1 "Removing run: " runkey " " (db:get-value-by-header run header "runname") " and related record")
		       (db:delete-run db run-id)
		       ;; This is a pretty good place to purge old DELETED tests
		       (db:delete-tests-for-run db run-id)
		       (db:delete-old-deleted-test-records db)
		       (db:set-var db "DELETED_TESTS" (current-seconds))
		       ;; need to figure out the path to the run dir and remove it if empty
		       ;;    (if (null? (glob (conc runpath "/*")))
		       ;;        (begin
		       ;; 	 (debug:print 1 "Removing run dir " runpath)
		       ;; 	 (system (conc "rmdir -p " runpath))))
		       )))))
	 ))

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













;; get the previous record for when this test was run where all keys match but runname
;; returns #f if no such test found, returns a single test record if found
(define (test:get-previous-test-run-record db run-id test-name item-path)
  (let* ((keys    (db:get-keys db))
	 (selstr  (string-intersperse (map (lambda (x)(vector-ref x 0)) keys) ","))
	 (qrystr  (string-intersperse (map (lambda (x)(conc (vector-ref x 0) "=?")) keys) " AND "))
	 (keyvals #f))

	  ;; collect all matching tests for the runs then
	  ;; extract the most recent test and return that.
	  (debug:print 4 "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals 
		       ", previous run ids found: " prev-run-ids)
	  (if (null? prev-run-ids) '()  ;; no previous runs? return null
	      (let loop ((hed (car prev-run-ids))
			 (tal (cdr prev-run-ids)))
		(let ((results (db:get-tests-for-run db hed test-name item-path '() '())))
		  (debug:print 4 "Got tests for run-id " run-id ", test-name " test-name 
			       ", item-path " item-path " results: " (intersperse results "\n"))
		  ;; Keep only the youngest of any test/item combination
		  (for-each 
		   (lambda (testdat)
		     (let* ((full-testname (conc (db:test-get-testname testdat) "/" (db:test-get-item-path testdat)))
			    (stored-test   (hash-table-ref/default tests-hash full-testname #f)))

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

;; 
(define (test-set-status! db test-id state status comment dat)
  (let* ((real-status status)
	 (otherdat    (if dat dat (make-hash-table)))
	 (testdat     (db:get-test-info-by-id db test-id))
	 (run-id      (db:test-get-run_id testdat))
	 (test-name   (db:test-get-testname   testdat))
	 (item-path   (db:test-get-item-path testdat))
	 ;; before proceeding we must find out if the previous test (where all keys matched except runname)
	 ;; was WAIVED if this test is FAIL
	 (waived   (if (equal? status "FAIL")
		       (let ((prev-test (test:get-previous-test-run-record db run-id test-name item-path)))

			     #f))
		       #f)))
    (if waived (set! real-status "WAIVED"))
    (debug:print 4 "real-status " real-status ", waived " waived ", status " status)

    ;; update the primary record IF state AND status are defined
    (if (and state status)
	(db:test-set-state-status-by-run-id-testname db run-id test-name item-path real-status state))

    ;; if status is "AUTO" then call rollup (note, this one modifies data in test
    ;; run area, do not rpc it (yet)
    (if (and test-id state status (equal? status "AUTO")) 
	(db:test-data-rollup db test-id status))

    ;; add metadata (need to do this way to avoid SQL injection issues)

			   variable ","
			   value    ","
			   expected ","
			   tol      ","
			   units    ","
			   dcomment ",," ;; extra comma for status
			   type     )))
	    (db:csv->test-data db test-id
				dat))))
      
    ;; need to update the top test record if PASS or FAIL and this is a subtest
    (db:roll-up-pass-fail-counts db run-id test-name item-path status)

    (if (or (and (string? comment)
		 (string-match (regexp "\\S+") comment))
	    waived)
	(let ((cmt  (if waived waived comment)))
	  (db:test-set-comment db test-id cmt)))
    ))

(define (test-set-toplog! db run-id test-name logf) 
  (sqlite3:execute db "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';" 
		   logf run-id test-name))

(define (tests:summarize-items db run-id test-name force)

     (lambda (testkeyname)
       (let* ((test-record (hash-table-ref testrecordshash testkeyname))
	      (test-name   (tests:testqueue-get-testname  test-record))
	      (itemdat     (tests:testqueue-get-itemdat   test-record))
	      (item-path   (tests:testqueue-get-item_path test-record))
	      (waitons     (tests:testqueue-get-waitons   test-record))
	      (keep-test   #t)
	      (test-id     (db:get-test-id db run-id test-name item-path))
	      (tdat        (db:get-test-info-by-id db test-id)))
	 (if tdat
	     (begin
	       ;; Look at the test state and status
	       (if (or (member (db:test-get-status tdat) 
			       '("PASS" "WARN" "WAIVED" "CHECK"))
		       (member (db:test-get-state tdat)
			       '("INCOMPLETE" "KILLED")))
		   (set! keep-test #f))

	       ;; examine waitons for any fails. If it is FAIL or INCOMPLETE then eliminate this test
	       ;; from the runnable list
	       (if keep-test
		   (for-each (lambda (waiton)
			       ;; for now we are waiting only on the parent test
			       (let* ((parent-test-id (db:get-test-id db run-id waiton ""))
				      (wtdat (db:get-test-info-by-id db test-id)))
				 (if (or (member (db:test-get-status wtdat)
						 '("FAIL" "KILLED"))
					 (member (db:test-get-state wtdat)
						 '("INCOMPETE")))
				     (set! keep-test #f)))) ;; no point in running this one again
			     waitons))))
	 (if keep-test (set! runnables (cons testkeyname runnables)))))
     testkeynames)
    runnables))

;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request db test-id) ;; run-id test-name itemdat)
  (let* (;; (item-path (item-list->path itemdat))
	 (testdat   (db:get-test-info-by-id db test-id))) ;; run-id test-name item-path)))
    (equal? (test:get-state testdat) "KILLREQ")))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row
	 (lambda (count)
	   (set! res count))
	 tdb
	 "SELECT count(id) FROM test_rundat;")
	res))
  0)

(define (test-set-meta-info db test-id run-id testname itemdat minutes)
  (let* ((tdb         (db:open-test-db-by-test-id db test-id))
	 (num-records (test:tdb-get-rundat-count tdb))
	 (item-path   (item-list->path itemdat))
	 (cpuload  (get-cpu-load))

	 (diskfree (get-df (current-directory))))

    (if (eq? (modulo num-records 10) 0) ;; every ten records update central
	(begin
	  (sqlite3:execute db "UPDATE tests SET cpuload=?,diskfree=? WHERE run_id=? AND testname=? AND item_path=?;"

			   cpuload
			   diskfree

			   run-id
			   testname
			   item-path)
	  (if minutes (sqlite3:execute db "UPDATE tests SET run_duration=? WHERE id=?;" minutes test-id))
	  (if (eq? num-records 0)
	      (let ((uname (get-uname "-srvpio"))
		    (hostname (get-host-name)))
		(sqlite3:execute db "UPDATE tests SET uname=?,host=? WHERE run_id=? AND testname=? AND item_path=?;"
				 uname hostname run-id testname item-path)))))
                
    (sqlite3:execute tdb "INSERT INTO test_rundat (update_time,cpuload,diskfree,run_duration) VALUES (strftime('%s','now'),?,?,?);"
		     cpuload diskfree minutes)))
	  

;;======================================================================
;; A R C H I V I N G
;;======================================================================

(define (test:archive db test-id)
  #f)

test2 : fullprep
	cd fullrun;$(MEGATEST) -runtests ez_pass -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_a $(SERVER)

test3 : fullprep
	cd fullrun;$(MEGATEST) -runtests runfirst -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_b  $(SERVER) -debug 10

test4 : fullprep
	cd fullrun;$(MEGATEST) -debug $(DEBUG) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_b -m "This is a comment specific to a run" -v $(SERVER)

test5 : fullprep
	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_aa -debug $(DEBUG) > aa.log 2> aa.log &
	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_ab -debug $(DEBUG) > ab.log 2> ab.log &
	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_ac -debug $(DEBUG) > ac.log 2> ac.log &
	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_ad -debug $(DEBUG) > ad.log 2> ad.log &	
#	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_ae -debug $(DEBUG) > ae.log 2> ae.log &	
#	cd fullrun;$(MEGATEST) -runall -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_af -debug $(DEBUG) > af.log 2> af.log &	

test6: fullprep
	cd fullrun;$(MEGATEST) -runtests runfirst -itempatt %/1 -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_itempatt -v
	cd fullrun;$(MEGATEST) -runtests runfirst -itempatt %blahha% -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_itempatt -debug 10

cleanprep : ../*.scm Makefile */*.config
	# if [ -e fullrun/megatest.db ]; then sqlite3 fullrun/megatest.db "delete from metadat where var='SERVER';";fi
	mkdir -p /tmp/mt_runs /tmp/mt_links
	cd ..;make install
	touch cleanprep

fullprep : cleanprep
	cd fullrun;$(MEGATEST) -remove-runs :runname $(RUNNAME)% -target %/%/% -testpatt % -itempatt %
	cd fullrun;$(BINPATH)/dboard -rows 15 &

[setup]
# exectutable /path/to/megatest
max_concurrent_jobs 50
linktree /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

[fields]
sysname TEXT
fsname TEXT
datapath TEXT

# refareas can be searched to find previous runs
# the path points to where megatest.db exists
[refareas]
area1 /tmp/oldarea/megatest

[include config/mt_include_1.config]

[setup]
# FULL or 2, NORMAL or 1, OFF or 0
synchronous NORMAL
# Throttle roughly scales the db access milliseconds to seconds delay
throttle 0.2
# Max retries allows megatest to re-check that a tests status has changed
# as tests can have transient FAIL status occasionally
maxretries 500

[validvalues]
state start end 
status pass fail n/a 0 1 running

# These are set before all tests, override them 
# in the testconfig [pre-launch-env-overrides] section

(test "get all legal tests" (list "test1" "test2") (sort (get-all-legal-tests) string<=?))

(test "register-test, test info" "NOT_STARTED"
      (begin
	(tests:register-test *db* 1 "nada" "")
	(vector-ref (db:get-test-info *db* 1 "nada" "") 3)))
(test #f "NOT_STARTED"    
      (begin
	(open-run-close tests:register-test #f 1 "nada" "")
	(vector-ref (open-run-close db:get-test-info #f 1 "nada" "") 3)))

(test "get-keys" "SYSTEM" (vector-ref (car (db:get-keys *db*)) 0));; (key:get-fieldname (car (sort (db-get-keys *db*)(lambda (a b)(string>=? (vector-ref a 0)(vector-ref b 0)))))))

(define remargs (args:get-args
		 '("bar" "foo" ":runname" "bob" ":sysname" "ubuntu" ":fsname" "nfs" ":datapath" "blah/foo" "nada")
		 (list ":runname" ":state" ":status")
		 (list "-h")

(define test-id #f)

;; force keepgoing
; (hash-table-set! args:arg-hash "-keepgoing" #t)
(hash-table-set! args:arg-hash "-itempatt" "%")
(hash-table-set! args:arg-hash "-testpatt" "%")
(hash-table-set! args:arg-hash "-target" "ubuntu/r1.2")
(test "Setup for a run"       #t (begin (setup-for-run) #t))

(define *tdb* #f)

(define testdbpath (conc "/tmp/" (getenv "USER") "/megatest_testing"))
(system (conc "rm -f " testdbpath "/testdat.db;mkdir -p " testdbpath))

(print "Using " testdbpath " for test db")
(test #f #t (let ((db (open-test-db testdbpath)))
	      (set! *tdb* db)
	      (sqlite3#database? db)))
(sqlite3#finalize! *tdb*)

;; (test "Remove the rollup run" #t (begin (remove-runs) #t))

(test "Run a test" #t (general-run-call 
		       "-runtests" 
		       "run a test"
		       (lambda (db target runname keys keynames keyvallst)
			 (let ((test-patts "runfirst"))
			   (runs:run-tests  db target runname test-patts user (make-hash-table))))))

(change-directory test-work-dir)
(test "Add a step"  #t
      (begin
	(teststep-set-status! db 1 "runfirst" "firststep" "start" 0 '() "This is a comment")
	(sleep 2)
	(teststep-set-status! db 1 "runfirst" "firststep" "end" "pass" '() "This is a different comment")