Megatest

(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

;; SERVER
(define *my-client-signature* #f)
(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*    (current-seconds))  ;; update when db is accessed via server
(define *max-cache-size*    0)
(define *logged-in-clients* (make-hash-table))


(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



;; Debugging stuff
(define *verbosity*         1)
(define *logging*           #f)

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

(on-exit (lambda ()
	   (let ((tdb (tasks:open-db)))
	     ;; (print "On-exit called")
	     (tasks:remove-monitor-record tdb)
	     (sqlite3:finalize! tdb))))

(define (gui-monitor db)
  (let ((keys (db:get-keys db))
	(tdb  (tasks:open-db)))
    (tasks:register-monitor db tdb) ;;; let the other monitors know we are here
    (control-panel db tdb keys)
    ;(tasks:remove-monitor-record db)
    ;(sqlite3:finalize! db)
   ))
	

	(newstatus  #f)
	(newstate   #f))
    (iup:frame
     #:title "Set fields"
     (iup:vbox
      (iup:hbox (iup:label "Comment:")
		(iup:textbox #:action (lambda (val a b)
					(cdb:remote-run db:test-set-state-status-by-id #f 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)
								    (cdb:remote-run db:test-set-state-status-by-id #f 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)
								    (cdb:remote-run db:test-set-state-status-by-id #f 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       (cdb:remote-run 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 (cdb:remote-run db:get-key-val-pairs #f run-id) #f))
	       (rundat        (if testdat (cdb:remote-run db:get-run-info #f 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 (cdb:remote-run db:testmeta-get-record #f 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 (cdb:remote-run db:get-test-info-by-id #f 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)))

										       (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)))
									     (cdb:remote-run db:read-test-data #f 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"

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

(define *db* #f) ;; (open-db))
(server:client-launch)

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

(define toplevel #f)
(define dlg      #f)
(define max-test-num 0)
(define *keys*   (cdb:remote-run db:get-keys #f))
;; (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* (cdb:remote-run db:get-num-runs #f "%"))
;; (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-info 4 "update-rundat runnamepatt: " runnamepatt " numruns: " numruns " testnamepatt: " testnamepatt " keypatts: " keypatts)
	  (set! *please-update-buttons* #t)
	  (set! *last-db-update-time* modtime)
	  (set! *delayed-update* (- *delayed-update* 1))
	  (let* ((allruns     (cdb:remote-run db:get-runs #f 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*)))
	    ;; (thread-sleep! 0.1) ;; give some time to other threads
	    (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 (cdb:remote-run db:get-tests-for-run #f run-id testnamepatt states statuses)))
					   (if *tests-sort-reverse* (reverse tsts) tsts)))
			       (key-vals (cdb:remote-run db:get-key-vals #f 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)

	(db:initialize db))
    (db:set-sync db)
    db))

;; keeping it around for debugging purposes only
(define (open-run-close-no-exception-handling  proc idb . params)
  (debug:print-info 11 "open-run-close-no-exception-handling START given a db=" (if idb "yes " "no ") ", params=" params)
  (let* ((db   (if idb 
		   (if (procedure? idb)
		       (idb)
		       idb)
		   (open-db)))
	 (res #f))
    (set! res (apply proc db params))
    (if (not idb)(sqlite3:finalize! db))
    (debug:print-info 11 "open-run-close-no-exception-handling END" )
    res))

(define (open-run-close-exception-handling proc idb . params)








  (handle-exceptions
   exn
   (begin
     (debug:print 0 "EXCEPTION: database probably overloaded?")
     (debug:print 0 "  " ((condition-property-accessor 'exn 'message) exn))
     (print-call-chain)
     (thread-sleep! (random 120))
     (debug:print-info 0 "trying db call one more time....")


     (apply open-run-close-no-exception-handling proc idb params))
   (apply open-run-close-no-exception-handling proc idb params)))

(define open-run-close open-run-close-exception-handling)

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

(define (open-run-close-measure  proc idb . params)

      (begin
	(debug:print-info 11 "open-test-db END (unsucessful)" testpath)
	#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)))
    (debug:print 3 "TEST PATH: " test-path)
    (open-test-db test-path)))

(define (db:testdb-initialize db)
  (debug:print 11 "db:testdb-initialize START")
  (for-each
   (lambda (sqlcmd)
     (sqlite3:execute db sqlcmd))

			       (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 (cdb:delete-tests-in-state zmqsocket run-id state)
  (cdb:client-call zmqsocket 'delete-tests-in-state #t run-id state))

;; 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)

     (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-not-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:

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


(define (cdb:test-set-rundir! zmqsocket run-id test-name item-path rundir)



  (cdb:client-call zmqsocket 'test-set-rundir #t rundir run-id test-name item-path))

(define (cdb:test-set-rundir-by-test-id zmqsocket test-id rundir)



  (cdb:client-call zmqsocket 'test-set-rundir-by-test-id #t rundir test-id))


(define (db:test-get-rundir-from-test-id db test-id)
  (let ((res #f)) ;; (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 (cdb:test-set-log! zmqsocket test-id logf)
  (if (string? logf)(cdb:client-call zmqsocket 'test-set-log #f logf test-id)))




;;======================================================================
;; Misc. test related queries
;;======================================================================

(define (db:test-get-paths-matching db keynames target fnamepatt #!key (res '()))
  (let* ((testpatt   (if (args:get-arg "-testpatt")(args:get-arg "-testpatt") "%"))

     (lambda (p)
       (set! res (cons p res)))
     db 
     qrystr)
    res))

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

;; db:updater is run in a thread to write out the cached data periodically
;; (define (db:updater)
;;   (debug:print-info 4 "Starting cache processing")
;;   (let loop ()
;;     (thread-sleep! 10) ;; move save time around to minimize regular collisions?
;;     (db:write-cached-data)
;;     (loop)))

;; cdb:cached-access is called by the server loop to dispatch commands or queue up
;; db accesses
;;
;; params := qry-name cached? val1 val2 val3 ...
(define (cdb:cached-access params)
  (debug:print-info 12 "cdb:cached-access params=" params)
  (if (< (length params) 2)
      "ERROR"
      (let ((qry-name (car params))
	    (cached?  (cadr params))
	    (remparam (list-tail params 2))) 
	(debug:print-info 12 "cdb:cached-access qry-name=" qry-name " params=" params)
	(if (not cached?)(db:write-cached-data))
	;; Any special calls are dispatched here. 
	;; Remainder are put in the db queue
	(case qry-name
	  ((login) ;; login checks that the megatest path matches
	   (if (< (length remparam) 2) ;; should get toppath and signature
	       '(#f "login failed due to missing params") ;; missing params
	       (let ((calling-path (car remparam))
		     (client-key   (cadr remparam)))
		 (if (equal? calling-path *toppath*)
		     (begin
		       (hash-table-set! *logged-in-clients* client-key (current-seconds))
		       '(#t "successful login"))      ;; path matches - pass! Should vet the caller at this time ...
		     (list #f (conc "Login failed due to mismatch paths: " calling-path ", " *toppath*))))))
	  ((logout)
	   (if (and (> (length remparam) 1)
		    (eq? *toppath* (car remparam))
		    (hash-table-ref/default *logged-in-clients* (cadr remparam) #f))
	       #t
	       #f))
	  ((numclients)
	   (length (hash-table-keys *logged-in-clients*)))
	  ((flush)
	   (db:write-cached-data)
	   #t)
	  ((immediate)
	   (db:write-cached-data)
	   (if (not (null? remparam))
	       (apply (car remparam) (cdr remparam))
	       "ERROR"))
	  ((killserver)
	   ;; (db:write-cached-data)
	   (debug:print-info 0 "Remotely killed server on host " (get-host-name) " pid " (current-process-id))
	   (set! *time-to-exit* #t)
	   #t)
	  ((set-verbosity)
	   (set! *verbosity* (caddr params))
	   *verbosity*)
	  ((get-verbosity)
	   *verbosity*)
	  (else
	   (mutex-lock! *incoming-mutex*)
	   (set! *last-db-access* (current-seconds))
	   (set! *incoming-data* (cons 
				  (vector qry-name
					  (current-milliseconds)
					  remparam)

  (let ((zdat (db:obj->string params)) ;; (with-output-to-string (lambda ()(serialize params))))
	(res  #f))
    (send-message zmq-socket zdat)
    (set! res (db:string->obj (receive-message zmq-socket zdat)))
    (debug:print-info 11 "zmq-socket " (car params) " res=" res)
    res))
  
(define (cdb:set-verbosity zmq-socket val)
  (cdb:client-call zmq-socket 'set-verbosity #f val))

(define (cdb:login zmq-socket keyval signature)
  (cdb:client-call zmq-socket 'login #t keyval signature))

(define (cdb:logout zmq-socket keyval signature)
  (cdb:client-call zmq-socket 'logout #t keyval signature))

(define (cdb:num-clients zmq-socket)
  (cdb:client-call zmq-socket 'numclients #t))

(define (cdb:test-set-status-state zmqsocket test-id status state msg)
  (if msg
      (cdb:client-call zmqsocket 'state-status-msg #t state status msg test-id)
      (cdb:client-call zmqsocket 'state-status #t state status test-id))) ;; run-id test-name item-path minutes cpuload diskfree tmpfree) 

(define (cdb:test-rollup-test_data-pass-fail zmqsocket test-id)
  (cdb:client-call zmqsocket 'test_data-pf-rollup #t test-id test-id test-id test-id))

(define (cdb:pass-fail-counts zmqsocket test-id fail-count pass-count)
  (cdb:client-call zmqsocket 'pass-fail-counts #t fail-count pass-count test-id))

(define (cdb:tests-register-test zmqsocket run-id test-name item-path)
  (let ((item-paths (if (equal? item-path "")
			(list item-path)
			(list item-path ""))))
    (cdb:client-call zmqsocket 'register-test #t run-id test-name item-path)))

(define (cdb:flush-queue zmqsocket)
  (cdb:client-call zmqsocket 'flush #f))

(define (cdb:kill-server zmqsocket)
  (cdb:client-call zmqsocket 'killserver #f))

(define (cdb:roll-up-pass-fail-counts zmqsocket run-id test-name item-path status)
  (cdb:client-call zmqsocket 'immediate #f open-run-close db:roll-up-pass-fail-counts #f run-id test-name item-path status))

(define (cdb:get-test-info zmqsocket run-id test-name item-path)
  (cdb:client-call zmqsocket 'immediate #f open-run-close db:get-test-info #f run-id test-name item-path))

(define (cdb:get-test-info-by-id zmqsocket test-id)
  (cdb:client-call zmqsocket 'immediate #f open-run-close db:get-test-info-by-id #f test-id))

;; db should be db open proc or #f
(define (cdb:remote-run proc db . params)
  (apply cdb:client-call *runremote* 'immediate #f open-run-close proc #f params))

(define (db:test-get-logfile-info db run-id test-name)
  (let ((res #f))
    (sqlite3:for-each-row 
     (lambda (path final_logf)
       (set! logf final_logf)
       (set! res (list path final_logf))
       (if (directory? path)
	   (print "Found path: " path)
	   (print "No such path: " path)))
     db 
     "SELECT rundir,final_logf FROM tests WHERE run_id=? AND testname=? AND item_path='';"
     run-id test-name)
    res))

(define db:queries 
  (list '(register-test          "INSERT OR IGNORE INTO tests (run_id,testname,event_time,item_path,state,status) VALUES (?,?,strftime('%s','now'),?,'NOT_STARTED','n/a');")
	'(state-status           "UPDATE tests SET state=?,status=? WHERE id=?;")
	'(state-status-msg       "UPDATE tests SET state=?,status=?,comment=? WHERE id=?;")
	'(pass-fail-counts       "UPDATE tests SET fail_count=?,pass_count=? WHERE id=?;")
	;; test_data-pf-rollup is used to set a tests PASS/FAIL based on the pass/fail info from the steps
	'(test_data-pf-rollup    "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-set-log            "UPDATE tests SET final_logf=? WHERE id=?;")
	'(test-set-rundir-by-test-id "UPDATE tests SET rundir=? WHERE id=?")

	'(test-set-rundir         "UPDATE tests SET rundir=? WHERE run_id=? AND testname=? AND item_path=?;")
	'(delete-tests-in-state   "DELETE FROM tests WHERE state=? AND run_id=?;")

	'(tests:test-set-toplog    "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';")
    ))

;; do not run these as part of the transaction
(define db:special-queries   '(rollup-tests-pass-fail
			       db:roll-up-pass-fail-counts))

;; not used, intended to indicate to run in calling process
(define db:run-local-queries '()) ;; rollup-tests-pass-fail))

;; The queue is a list of vectors where the zeroth slot indicates the type of query to
;; apply and the second slot is the time of the query and the third entry is a list of 
;; values to be applied
;;
(define (db:write-cached-data)
  (open-run-close
   (lambda (db . junkparams)
     (let ((queries    (make-hash-table))
	   (data       #f))
       (mutex-lock! *incoming-mutex*)
       (set! data (sort *incoming-data* (lambda (a b)(< (vector-ref a 1)(vector-ref b 1)))))
       (set! *incoming-data* '())
       (mutex-unlock! *incoming-mutex*)
       (if (> (length data) 0)
	   (debug:print-info 4 "Writing cached data " data))

       ;; prepare the needed statements, do each only once
       (for-each (lambda (request-item)
		   (let ((stmt-key (vector-ref request-item 0)))
		     (if (not (hash-table-ref/default queries stmt-key #f))
			 (let ((stmt (alist-ref stmt-key db:queries)))
			   (if stmt
			       (hash-table-set! queries stmt-key (sqlite3:prepare db (car stmt)))
			       (if (procedure? stmt-key)
				   (hash-table-set! queries stmt-key #f)
				   (debug:print 0 "ERROR: Missing query spec for " stmt-key "!")))))))
		 data)
       
       ;; outer loop to handle special queries that cannot be handled in the
       ;; transaction.
       (let outerloop ((special-qry #f)
		       (stmts       data))
	 (if special-qry

	     ;; handle a query that cannot be part of the grouped queries
	     (let* ((stmt-key (vector-ref special-qry 0))
		    (qry      (hash-table-ref queries stmt-key))
		    (params   (vector-ref special-qry 2)))
	       (if (string? qry)
		   (apply sqlite3:execute db qry params)
		   (if (procedure? stmt-key)
		       (begin
			 ;; we are being handed a procedure so call it
			 (debug:print-info 11 "Running (apply " stmt-key " " db " " params ")")
			 (apply stmt-key db params))
		       (debug:print 0 "ERROR: Unrecognised queued call " qry " " params)))
	       (if (not (null? stmts))
		   (outerloop #f stmts)))

	     ;; handle normal queries
	     (let ((rem (sqlite3:with-transaction 
			 db
			 (lambda ()
			   (debug:print-info 11 "flushing " stmts " to db")
			   (if (null? stmts)
			       stmts
			       (let innerloop ((hed (car stmts))
					       (tal (cdr stmts)))
				 (let ((params   (vector-ref hed 2))
				       (stmt-key (vector-ref hed 0)))
				   (if (or (procedure? stmt-key)
					   (member stmt-key db:special-queries))
				       (begin
					 (debug:print-info 11 "Handling special statement " stmt-key)
					 (cons hed tal))
				       (begin
					 (debug:print-info 11 "Executing " stmt-key " for " params)
					 (apply sqlite3:execute (hash-table-ref queries stmt-key) params)
					 (if (not (null? tal))
					     (innerloop (car tal)(cdr tal))
					     '()))
				       ))))))))
	       (if (not (null? rem))
		   (outerloop (car rem)(cdr rem))))))
       (for-each (lambda (stmt-key)
		   (sqlite3:finalize! (hash-table-ref queries stmt-key)))
		 (hash-table-keys queries))
       (let ((cache-size (length data)))
	 (if (> cache-size *max-cache-size*)
	     (set! *max-cache-size* cache-size)))
       ))
   #f))

(define (db:test-get-records-for-index-file db run-id test-name)
  (let ((res '()))
    (sqlite3:for-each-row 
     (lambda (id itempath state status run_duration logf comment)
       (set! res (cons (vector id itempath state status run_duration logf comment) res)))
     db
     "SELECT id,item_path,state,status,run_duration,final_logf,comment FROM tests WHERE run_id=? AND testname=? AND item_path != '';"
     run-id test-name)
    res))

;; Rollup the pass/fail counts from itemized tests into fail_count and pass_count
(define (db:roll-up-pass-fail-counts db run-id test-name item-path status)
  ;; (cdb:flush-queue *runremote*)
  (if (and (not (equal? item-path ""))
	   (or (equal? status "PASS")
	       (equal? status "WARN")
	       (equal? status "FAIL")
	       (equal? status "WAIVED")
	       (equal? status "RUNNING")))
      (begin

                       SET state=CASE WHEN (SELECT count(id) FROM tests WHERE run_id=? AND testname=? AND item_path != '' AND state in ('RUNNING','NOT_STARTED')) > 0 THEN 
                          'RUNNING'
                       ELSE 'COMPLETED' END,
                          status=CASE WHEN fail_count > 0 THEN 'FAIL' WHEN pass_count > 0 AND fail_count=0 THEN 'PASS' ELSE 'UNKNOWN' END
                       WHERE run_id=? AND testname=? AND item_path='';"
	     run-id test-name run-id test-name))
	#f)

      #f))

;;======================================================================
;; Tests meta data
;;======================================================================

;; read the record given a testname

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

	  ;; Now rollup the counts to the central megatest.db
	  (cdb:pass-fail-counts *runremote* test-id fail-count pass-count)
	  ;; (sqlite3:execute db "UPDATE tests SET fail_count=?,pass_count=? WHERE id=?;" 
	  ;;                     fail-count pass-count test-id)
	  (cdb:flush-queue *runremote*)
	  ;; (thread-sleep! 1) ;; play nice with the queue by ensuring the rollup is at least 10ms later than the set
	  
	  ;; if the test is not FAIL then set status based on the fail and pass counts.
	  (cdb:test-rollup-test_data-pass-fail *runremote* test-id)
	  ;; (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 

	   (debug:print 0 "WARNING: path given, " outputfile " is relative, prefixing with current directory")
	   (conc (current-directory) "/" outputfile)))
     results)
    ;; brutal clean up
    (system "rm -rf tempdir")))

;; (db:extract-ods-file db "outputfile.ods" '(("sysname" "%")("fsname" "%")("datapath" "%")) "%")

		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  ;; Can setup as client for server mode now
	  (server:client-setup)

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

	  (open-run-close set-run-config-vars #f run-id)
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (set-megatest-env-vars 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)
	  (tests:test-set-status! 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)))

						   ;;       (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)

						   (cdb:remote-run db:teststep-set-status! #f test-id stepname "start" "-" #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)
						       (cdb:remote-run db:teststep-set-status! #f test-id stepname "end" exinfo #f logfna))
						     (if logpro-used
							 (cdb:test-set-log! *runremote*  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)

							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (test-get-kill-request test-id)) ;; run-id test-name itemdat))
				       (open-run-close test-set-meta-info #f test-id run-id test-name itemdat minutes)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     (let* ((pid (vector-ref exit-info 0)))
					       (if (number? pid)
						   (begin

		 (th2          (make-thread runit)))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   (testinfo  (cdb:get-test-info-by-id *runremote* test-id))) ;; )) ;; run-id test-name item-path)))
	      ;; Am I completed?
	      (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)
		    (tests:test-set-status! test-id 
				    (if kill-job? "KILLED" "COMPLETED")
				    (cond

;;  <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 (cdb:remote-run db:get-run-info #f 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 (cdb:remote-run db:get-key-vals #f run-id))
	 (target   (string-intersperse key-vals "/"))

	 (not-iterated  (equal? "" item-path))

	 ;; all tests are found at <rundir>/test-base or <linkdir>/test-base
	 (testtop-base (conc target "/" runname "/" testname))
	 (test-base    (conc testtop-base (if not-iterated "" "/") item-path))

		      (if rd rd (conc *toppath* "/runs"))))

	 (lnkbase  (conc linktree "/" target "/" runname))
	 (lnkpath  (conc lnkbase "/" testname))
	 (lnkpathf (conc lnkpath (if not-iterated "" "/") item-path)))

    ;; Update the rundir path in the test record for all
    (cdb:test-set-rundir-by-test-id *runremote* test-id lnkpathf)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (not (directory-exists? lnkbase))
	(create-directory lnkbase #t))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; 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       (cdb:get-test-info-by-id *runremote* 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)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (cdb:test-set-rundir! *runremote* run-id testname "" lnkpath) ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(create-directory toptest-path #t)
		(hash-table-set! *toptest-paths* testname toptest-path)))))

	 (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    (cdb:remote-run db:get-test-id #f run-id test-name item-path))
	 (testinfo   (cdb:get-test-info-by-id *runremote* test-id))
	 (mt_target  (string-intersperse (map cadr keyvallst) "/"))
	 (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
			      (if (args:get-arg "-logging")(list "-logging") '()))))
    (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))

							  (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-info 4 "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
    (tests:test-set-status! 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

  -rebuild-db             : bring the database schema up to date
  -update-meta            : update the tests metadata for all tests
  -env2file fname         : write the environment to fname.csh and fname.sh
  -setvars VAR1=val1,VAR2=val2 : Add environment variables to a run NB// these are
                                 overwritten by values set in config files.
  -server -|hostname      : start the server (reduces contention on megatest.db), use
                            - to automatically figure out hostname
  -listservers            : list the servers 
  -killserver host:port|pid : kill server specified by host:port or pid
  -repl                   : start a repl (useful for extending megatest)

Spreadsheet generation
  -extract-ods fname.ods  : extract an open document spreadsheet from the database
  -pathmod path           : insert path, i.e. path/runame/itempath/logfile.html
                            will clear the field if no rundir/testname/itempath/logfile
                            if it contains forward slashes the path will be converted

			":variable"
			":value"
			":expected"
			":tol"
			":units"
			;; misc
			"-server"
			"-killserver"
			"-extract-ods"
			"-pathmod"
			"-env2file"
			"-setvars"
			"-set-state-status"
			"-debug" ;; for *verbosity* > 2
			"-gen-megatest-test"

			"-summarize-items"
		        "-gui"
			;; misc
			"-archive"
			"-repl"
			"-lock"
			"-unlock"
			"-listservers"
			;; queries
			"-test-paths" ;; get path(s) to a test, ordered by youngest first

			"-runall"    ;; run all tests
			"-remove-runs"
			"-usequeue"
			"-rebuild-db"

      (save-environment-as-files (args:get-arg "-env2file"))
      (set! *didsomething* #t)))

;;======================================================================
;; Start the server - can be done in conjunction with -runall or -runtests (one day...)
;;   we start the server if not running else start the client thread
;;======================================================================

(if (args:get-arg "-server")
    (begin
      (debug:print 1 "Launching server...")
      (server:launch)))

(if (or (args:get-arg "-listservers")
	(args:get-arg "-killserver"))
    (let ((tl (setup-for-run)))
      (if tl 
	  (let ((servers (open-run-close tasks:get-all-servers tasks:open-db))
		(fmtstr  "~5a~8a~20a~5a~20a~9a~20a~5a\n")
		(servers-to-kill '()))
	    (format #t fmtstr "Id" "Pid" "Host" "Port" "Time" "Priority" "State" "Num Clients")
	    (format #t fmtstr "==" "===" "====" "====" "====" "========" "=====" "===========")
	    (for-each 
	     (lambda (server)
	       (let* ((killinfo   (args:get-arg "-killserver"))
		      (khost-port (if killinfo (if (substring-index ":" killinfo)(string-split ":") #f) #f))
		      (kpid       (if killinfo (if (substring-index ":" killinfo) #f (string->number killinfo)) #f))
		      (id         (vector-ref server 0))
		      (pid        (vector-ref server 1))
		      (hostname   (vector-ref server 2))
		      (port       (vector-ref server 3))
		      (start-time (vector-ref server 4))
		      (priority   (vector-ref server 5))
		      (state      (vector-ref server 6))
		      (numclients #f)
		      (stat-numc  ;; (handle-exceptions
				  ;;  exn
				  ;;  (list #f (conc "EXCEPTION: " ((condition-property-accessor 'exn 'message) exn)))
				   (let ((zmq-socket (server:client-connect hostname port)))
				     (if zmq-socket
					 (if (server:client-login zmq-socket)
					     (let ((numclients (cdb:num-clients zmq-socket))
						   (killed     #f))
					       (if (and khost-port ;; kill by host/port
							(equal? hostname (car khost-port))
							(equal? port (string->number (cadr khost-port))))
						   (begin
						     (open-run-close tasks:server-deregister tasks:open-db  hostname port: port)
						     (cdb:kill-server zmq-socket)
						     (debug:print-info 1 "Killed server by host:port at " hostname ":" port)
						     (set! killed #t))
						   (if (and kpid
							    (equal? kpid pid))
						       (begin
							 (open-run-close tasks:server-deregister tasks:open-db hostname pid: pid)
							 (set! killed #t)
							 (cdb:kill-server zmq-socket)
							 (debug:print-info 1 "Killed server by pid at " hostname ":" port))))
					       (if (not killed)(server:client-logout zmq-socket))
					       (close-socket  zmq-socket)
					       (list numclients "ACCESSIBLE")) ;; (server:client-logout zmq-socket)
					     (begin
					       (close-socket zmq-socket)
					       (list #f "CAN'T LOGIN")))
					 (list #f "CAN'T CONNECT"))))) ;; )
		 (format #t fmtstr id pid hostname port start-time priority 
			 (cadr stat-numc)(car stat-numc))))
	     servers)
	    (set! *didsomething* #t))))
    ;; if not list or kill then start a client (if appropriate)
    (if (or (let ((res #f))
	      (for-each
	       (lambda (key)
		 (if (args:get-arg key)(set! res #t)))
	       (list "-h" "-version" "-gen-megatest-area" "-gen-megatest-test"))
	      res)
	    (eq? (length (hash-table-keys args:arg-hash)) 0))
	(debug:print-info 1 "Server connection not needed")
	(server:client-launch)))
    
;;======================================================================
;; Remove old run(s)
;;======================================================================

;; since several actions can be specified on the command line the removal
;; is done first
(define (operate-on action)

	  (server:client-setup)

	  (if (args:get-arg "-load-test-data")
	      ;; has sub commands that are rdb:
	      (open-run-close db:load-test-data db test-id))
	  (if (args:get-arg "-setlog")
	      (let ((logfname (args:get-arg "-setlog")))
		(cdb:test-set-log! *runremote* test-id logfname)))
	  (if (args:get-arg "-set-toplog")
	      (open-run-close tests:test-set-toplog! db run-id test-name (args:get-arg "-set-toplog")))
	  (if (args:get-arg "-summarize-items")
	      (open-run-close tests:summarize-items db run-id test-name #t)) ;; do force here
	  (if (args:get-arg "-runstep")
	      (if (null? remargs)
		  (begin

			       (oldexitstat exitstat)
			       (cmd         (string-intersperse (list "logpro" logprofile htmllogfile "<" logfile ">" (conc stepname "_logpro.log")) " ")))
			  (debug:print-info 2 "running \"" cmd "\"")
			  (change-directory startingdir)
			  (set! exitstat (system cmd))
			  (set! *globalexitstatus* exitstat) ;; no necessary
			  (change-directory testpath)
			  (cdb:test-set-log! *runremote* test-id htmllogfile)))
		    (let ((msg (args:get-arg "-m")))
		      (open-run-close db:teststep-set-status! db test-id stepname "end" exitstat msg logfile))
		    )))
	  (if (or (args:get-arg "-test-status")
		  (args:get-arg "-set-values"))
	      (let ((newstatus (cond
				((number? status)       (if (equal? status 0) "PASS" "FAIL"))

	 (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 (db:get-run-key-val db run-id key)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (val)
       (set! res val))
     db 
     (conc "SELECT " (key:get-fieldname key) " FROM runs WHERE id=?;")
     run-id)
    res))

(define (db:get-run-name-from-id db run-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (runname)
       (set! res runname))
     db
     "SELECT runname FROM runs WHERE id=?;"
     run-id)
    res))

(define (set-megatest-env-vars run-id)
  (let ((keys (cdb:remote-run db:get-keys #f))
	(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)


	     (hash-table-set! vals key (cdb:remote-run db:get-run-key-val #f run-id key)))



	   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








    (setenv "MT_RUNNAME" (cdb:remote-run db:get-run-name-from-id #f run-id))
    (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 test-record)
  (let* ((tconfig                 (tests:testqueue-get-testconfig test-record))
	 (jobgroup                (config-lookup tconfig "requirements" "jobgroup"))
	 (num-running             (cdb:remote-run db:get-count-tests-running #f))
	 (num-running-in-jobgroup (cdb:remote-run db:get-count-tests-running-in-jobgroup #f jobgroup))
	 (max-concurrent-jobs     (let ((mcj (config-lookup *configdat* "setup"     "max_concurrent_jobs")))
				    (if (and mcj (string->number mcj))
					(string->number mcj)
					#f)))
	 (job-group-limit         (config-lookup *configdat* "jobgroups" jobgroup)))
    (if (not (eq? *last-num-running-tests* num-running))
	(begin

	  (debug:print 0 "ERROR: Called without all necessary keys")
	  #f))))

;; This is a duplicate of run-tests (which has been deprecated). Use this one instead of run tests.
;; keyvals
(define (runs:run-tests target runname test-patts user flags)
  (let* ((db          #f)
	 (keys        (cdb:remote-run db:get-keys #f))
	 (keyvallst   (keys:target->keyval keys target))
	 (run-id      (cdb:remote-run runs:register-run #f keys keyvallst runname "new" "n/a" user))  ;;  test-name)))
	 (deferred    '()) ;; delay running these since they have a waiton clause
	 ;; keepgoing is the defacto modality now, will add hit-n-run a bit later
	 ;; (keepgoing   (hash-table-ref/default flags "-keepgoing" #f))
	 (test-names  '())
	 (runconfigf   (conc  *toppath* "/runconfigs.config"))
	 (required-tests '())
	 (test-records (make-hash-table)))

    (set-megatest-env-vars run-id) ;; these may be needed by the launching process

    (if (file-exists? runconfigf)
	(open-run-close setup-env-defaults db runconfigf run-id *already-seen-runconfig-info* "pre-launch-env-vars")
	(debug:print 0 "WARNING: You do not have a run config file: " runconfigf))
    
    ;; look up all tests matching the comma separated list of globs in
    ;; test-patts (using % as wildcard)

    ;; -keepgoing is specified
    (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.
	  (cdb:delete-tests-in-state *runremote* run-id "NOT_STARTED")
	  (cdb:remote-run db:set-tests-state-status #f 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

	    (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 ;; OUTER COND
	     ((not items) ;; when false the test is ok to be handed off to launch (but not before)
	      (let* ((run-limits-info         (open-run-close runs:can-run-more-tests test-record)) ;; look at the test jobgroup and tot jobs running
		     (have-resources          (car run-limits-info))
		     (num-running             (list-ref run-limits-info 1))
		     (num-running-in-jobgroup (list-ref run-limits-info 2))
		     (max-concurrent-jobs     (list-ref run-limits-info 3))
		     (job-group-limit         (list-ref run-limits-info 4))
		     (prereqs-not-met         (open-run-close db:get-prereqs-not-met #f run-id waitons item-path mode: testmode))
		     (fails                   (runs:calc-fails prereqs-not-met))

		    (debug:print-info 4 "End of items list, looping with next after short delay")
		    (thread-sleep! (+ 0.01 *global-delta*))
		    (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    (runs:can-run-more-tests 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           (runs:calc-fails prereqs-not-met))
			   (non-completed   (runs:calc-not-completed prereqs-not-met)))
		      (debug:print-info 8 "can-run-more: " can-run-more
				   "\n testname:        " hed
				   "\n prereqs-not-met: " (runs:pretty-string prereqs-not-met)

		       ((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)
			  (set-megatest-env-vars 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)
				  (thread-sleep! *global-delta*)
				  (loop hed tal reruns))
				(begin

		      (loop (car newtal)(cdr newtal) reruns))))) ;; END OF (or (procedure? items)(eq? items 'have-procedure))
	     
	     ;; 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))
	     ((not (null? reruns))
	      (let* ((newlst (tests:filter-non-runnable run-id tal test-records)) ;; i.e. not FAIL, WAIVED, INCOMPLETE, PASS, KILLED,
		     (junked (lset-difference equal? tal newlst)))
		(debug:print-info 4 "full drop through, if reruns is less than 100 we will force retry them, reruns=" reruns ", tal=" tal)
		(if (< num-retries max-retries)
		    (set! newlst (append reruns newlst)))
		(set! num-retries (+ num-retries 1))
		(thread-sleep! (+ 1 *global-delta*))
		(if (not (null? newlst))

		 )
    ;; 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)
    (set-megatest-env-vars 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       (cdb:remote-run db:get-test-id #f  run-id test-name item-path))
	   (testdat       (cdb:get-test-info-by-id *runremote* 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 #f 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-info 4 "test-id=" test-id ", run-id=" run-id ", test-name=" test-name ", item-path=\"" item-path "\"")
	    (set! testdat (cdb:get-test-info-by-id *runremote* 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))

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

(require-extension (srfi 18) extras tcp rpc s11n)
(import (prefix rpc rpc:))

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

(declare (unit server))

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

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

(define (server:make-server-url hostport)
  (if (not hostport)
      #f
      (conc "tcp://" (car hostport) ":" (cadr hostport))))
(define *time-to-exit* #f)

(define (server:run hostn)
  (debug:print 0 "Attempting to start the server ...")

  (if (not *toppath*)(setup-for-run))











  (let* ((zmq-socket     #f)
	 (hostname       (if (string=? "-" hostn)
			     (get-host-name) 
			     hostn))
	 (ipaddrstr      (let ((ipstr (if (string=? "-" hostn)
					  (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
					  #f)))
			   (if ipstr ipstr hostname))))
    (set! zmq-socket (server:find-free-port-and-open ipaddrstr zmq-socket 5555 0))
    (set! *cache-on* #t)
    
    ;; what to do when we quit
    ;;
    (on-exit (lambda ()
	       (open-run-close tasks:server-deregister-self tasks:open-db)
	       (let loop () 
		 (let ((queue-len 0))
		   (thread-sleep! (random 5))
		   (mutex-lock! *incoming-mutex*)
		   (set! queue-len (length *incoming-data*))
		   (mutex-unlock! *incoming-mutex*)
		   (if (> queue-len 0)
		       (begin
			 (debug:print-info 0 "Queue not flushed, waiting ...")
			 (loop)))))))

    ;; The heavy lifting
    ;;
    (let loop ()
      (let* ((rawmsg (receive-message zmq-socket))
	     (params (db:string->obj rawmsg)) ;; (with-input-from-string rawmsg (lambda ()(deserialize))))
	     (res    #f))
	(debug:print-info 12 "server=> received params=" params)
	(set! res (cdb:cached-access params))
	(debug:print-info 12 "server=> processed res=" res)
	(send-message zmq-socket (db:obj->string res))
	(if (not *time-to-exit*)
	    (loop)
	    (begin
	      (db:write-cached-data)
	      (open-run-close tasks:server-deregister-self tasks:open-db)
	      (exit)
	      ))))))

;; run server:keep-running in a parallel thread to monitor that the db is being 
;; used and to shutdown after sometime if it is not.
;;
(define (server:keep-running)
  ;; if none running or if > 20 seconds since 
  ;; server last used then start shutdown
  (let loop ((count 0))
    (thread-sleep! 1) ;; no need to do this very often
    (db:write-cached-data)
    (print "Server running, count is " count)
    (if (< count 10)
	(loop (+ count 1))
	(let ((numrunning (open-run-close db:get-count-tests-running #f)))
	  (if (or (> numrunning 0)
		  (> (+ *last-db-access* 60)(current-seconds)))
	      (begin
		(debug:print-info 0 "Server continuing, tests running: " numrunning ", seconds since last db access: " (- (current-seconds) *last-db-access*))
		(loop 0)))
	      (begin
		(debug:print-info 0 "Starting to shutdown the server side")
		;; need to delete only *my* server entry (future use)
		(open-run-close db:del-var #f "SERVER")
		(thread-sleep! 10)
		(debug:print-info 0 "Max cached queries was " *max-cache-size*)
		(debug:print-info 0 "Server shutdown complete. Exiting")

		)))))

(define (server:find-free-port-and-open host s port #!key (trynum 50))
  (let ((s (if s s (make-socket 'rep)))
	(p (if (number? port) port 5555)))
    (handle-exceptions
     exn
     (begin
       (debug:print 0 "Failed to bind to port " p ", trying next port")
       (debug:print 0 "   EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
       (if (> trynum 0)
	   (server:find-free-port-and-open host s (+ p 1) trynum: (- trynum 1))
	   (debug:print-info 0 "Tried ports from " (- p trynum) " to " p 
			     " but all were in use. Please try a different port range by starting the server with parameter \" -port N\" where N is the starting port number to use")))
     (let ((zmq-url (conc "tcp://" host ":" p)))
       (print "Trying to start server on " zmq-url)
       (bind-socket s zmq-url)
       (set! *runremote* #f)
       (debug:print 0 "Server started on " zmq-url)
       (open-run-close tasks:server-register tasks:open-db (current-process-id) host p 0 'live)
       s))))

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

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

;; 
(define (server:client-connect host port)
  (let ((connect-ok #f)
	(zmq-socket (make-socket 'req))
	(conurl     (server:make-server-url (list host port))))
    (connect-socket zmq-socket conurl)
    zmq-socket))
  

(define (server:client-login zmq-socket)
  (cdb:login zmq-socket *toppath* (server:get-client-signature)))

(define (server:client-logout zmq-socket)
  (let ((ok (and (socket? zmq-socket)
		 (cdb:logout zmq-socket *toppath* (server:get-client-signature)))))
    (close-socket zmq-socket)
    ok))

;; Do all the connection work, start a server if not already running
(define (server:client-setup #!key (numtries 10))
  (if (not *toppath*)(setup-for-run))
  (let ((hostinfo   (open-run-close tasks:get-best-server tasks:open-db)))
    (if hostinfo
	(let* ((host       (car hostinfo))
	       (port       (cadr hostinfo)))
	  (debug:print-info 2 "Setting up to connect to " hostinfo)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR: Failed to open a connection to the server at: " hostinfo)
	     (debug:print 0 "   EXCEPTION: " ((condition-property-accessor 'exn 'message) exn))
	     (debug:print 0 "   perhaps jobs killed with -9? Removing server records")
	     (open-run-close tasks:server-deregister tasks:open-db host port: port)

	     #f)
	   (let* ((zmq-socket (server:client-connect host port))
		  (login-res  (server:client-login zmq-socket))
		  (connect-ok (if (null? login-res) #f (car login-res)))
		  (conurl     (server:make-server-url hostinfo)))
	     (if connect-ok
		 (begin
		   (debug:print-info 2 "Logged in and connected to " conurl)
		   (set! *runremote* zmq-socket)
		   #t)
		 (begin
		   (debug:print-info 2 "Failed to login or connect to " conurl)
		   (set! *runremote* #f)
		   #f)))))
	(if (> numtries 0)
	    (let ((exe (car (argv))))
	      (debug:print-info 1 "No server available, attempting to start one...")
	      (process-run exe (list "-server" "-" "-debug" (conc *verbosity*)))
	      ;; (system (conc  " -server - " (if (args:get-arg "-debug")
	      ;;   					   (conc "-debug " (args:get-arg "-debug"))
	      ;;   					   "")
	      ;;   	    " &"))
	      (sleep 10)
	      (server:client-setup numtries: (- numtries 1)))
	    (debug:print-info 1 "Too many retries, giving up")))))

(define (server:launch)
  (let* ((toppath (setup-for-run)))
    (debug:print-info 0 "Starting the standalone server")
    (if *toppath* 
	(let* ((th2 (make-thread (lambda ()
				   (server:run (args:get-arg "-server"))))))
	  ;; (th3 (make-thread (lambda ()
	  ;;       		   (server:keep-running)))))
	  (thread-start! th2)
	  ;; (thread-start! th3)

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

(define (server:client-launch)
  (if (server:client-setup)
      (debug:print-info 0 "connected as client")
      (begin
	(debug:print 0 "ERROR: Failed to connect as client")

;;======================================================================
;; Tasks db
;;======================================================================

(define (tasks:open-db)
  (let* ((dbpath  (conc *toppath* "/monitor.db"))
	 (exists  (file-exists? dbpath))
	 (mdb     (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	 (handler (make-busy-timeout 36000)))
    (sqlite3:set-busy-handler! mdb handler)
    (if (not exists)
	(begin
	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS tasks_queue (id INTEGER PRIMARY KEY,
                                action TEXT DEFAULT '',
                                owner TEXT,
                                state TEXT DEFAULT 'new',
                                target TEXT DEFAULT '',
                                name TEXT DEFAULT '',
                                test TEXT DEFAULT '',
                                item TEXT DEFAULT '',
                                keylock TEXT,
                                params TEXT,
                                creation_time TIMESTAMP,
                                execution_time TIMESTAMP);")
	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS monitors (id INTEGER PRIMARY KEY,
                                pid INTEGER,
                                start_time TIMESTAMP,
                                last_update TIMESTAMP,
                                hostname TEXT,
                                username TEXT,
                               CONSTRAINT monitors_constraint UNIQUE (pid,hostname));")
	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS servers (id INTEGER PRIMARY KEY,
                                  pid INTEGER,
                                  hostname TEXT,
                                  port INTEGER,
                                  start_time TIMESTAMP,
                                  priority INTEGER,
                                  state TEXT,
                               CONSTRAINT servers_constraint UNIQUE (pid,hostname));")
	  (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS clients (id INTEGER PRIMARY KEY,
                                  server_id INTEGER,
                                  pid INTEGER,
                                  hostname TEXT,
                                  cmdline TEXT,
                                  login_time TIMESTAMP,
                                  logout_time TIMESTAMP DEFAULT -1,
                                CONSTRAINT clients_constraint UNIQUE (pid,hostname));")
                                  
	  ))
    mdb))
    
;;======================================================================
;; Server and client management
;;======================================================================

;; state: 'live, 'shutting-down, 'dead
(define (tasks:server-register mdb pid hostname port priority state)
  (sqlite3:execute 
   mdb 
   "INSERT OR REPLACE INTO servers (pid,hostname,port,start_time,priority,state) VALUES(?,?,?,strftime('%s','now'),?,?);"
   pid hostname port priority (conc state)))

(define (tasks:server-deregister mdb hostname #!key (port #f)(pid #f))
  (debug:print-info 11 "server-deregister " hostname ", port " port ", pid " pid)
  (if pid
      (sqlite3:execute mdb "DELETE FROM servers WHERE  hostname=? AND pid=?;" hostname pid)
      (if port
	  (sqlite3:execute mdb "DELETE FROM servers WHERE  hostname=? AND port=?;" hostname port)
	  (debug:print 0 "ERROR: tasks:server-deregister called with neither pid nor port specified"))))

(define (tasks:server-deregister-self mdb)
  (tasks:server-deregister mdb (get-host-name) pid: (current-process-id)))

(define (tasks:server-get-server-id mdb)
  ;; dunno yet
  0)

(define (tasks:client-register mdb pid hostname cmdline)
  (sqlite3:execute
   mdb
   "INSERT OR REPLACE INTO clients (server_id,pid,hostname,cmdline,login_time) VALUES(?,?,?,?,strftime('%s','now'));")
  (tasks:server-get-server-id mdb)
  pid hostname cmdline)

(define (tasks:client-logout mdb pid hostname cmdline)
  (sqlite3:execute
   mdb
   "UPDATE clients SET logout_time=strftime('%s','now') WHERE pid=? AND hostname=? AND cmdline=?;"
   pid hostname cmdline))

(define (tasks:get-logged-in-clients mdb server-id)
  (let ((res '()))
    (sqlite3:for-each-row 
     (lambda (id server-id pid hostname cmdline login-time logout-time)
       (set! res (cons (vector id server-id pid hostname cmdline login-time lougout-time) res)))
     mdb
     "SELECT id,server_id,pid,hostname,cmdline,login_time,logout_time FROM clients WHERE server_id=?;"
     server-id)))

(define (tasks:have-clients? mdb server-id)
  (null? (tasks:get-logged-in-clients mdb server-id)))

(define (tasks:get-best-server mdb)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id hostname port)
       (set! res (list hostname port)))
     mdb
     "SELECT id,hostname,port FROM servers WHERE state='live' ORDER BY start_time DESC LIMIT 1;")
    res))

(define (tasks:get-all-servers mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id pid hostname port start-time priority state)
       (set! res (cons (vector id pid hostname port start-time priority state) res)))
     mdb
     "SELECT id,pid,hostname,port,start_time,priority,state FROM servers ORDER BY start_time DESC;")
    res))
       

;;======================================================================
;; Tasks and Task monitors
;;======================================================================


;;======================================================================
;; Tasks
;;======================================================================



;;======================================================================
;; Task Monitors
;;======================================================================

(define (tasks:register-monitor db mdb)
  (let* ((pid (current-process-id))
	 (hostname (get-host-name))
	 (userinfo (user-information (current-user-id)))
	 (username (car userinfo)))
    (print "Register monitor, pid: " pid ", hostname: " hostname ", username: " username)
    (sqlite3:execute mdb "INSERT INTO monitors (pid,start_time,last_update,hostname,username) VALUES (?,strftime('%s','now'),strftime('%s','now'),?,?);"
		     pid hostname username)))

(define (tasks:get-num-alive-monitors mdb)
  (let ((res 0))
    (sqlite3:for-each-row 
     (lambda (count)
       (set! res count))
     mdb
     "SELECT count(id) FROM monitors WHERE last_update < (strftime('%s','now') - 300) AND username=?;"
     (car (user-information (current-user-id))))
    res))

;; register a task
(define (tasks:add mdb action owner target runname test item params)
  (sqlite3:execute mdb "INSERT INTO tasks_queue (action,owner,state,target,name,test,item,params,creation_time,execution_time)
                       VALUES (?,?,'new',?,?,?,?,?,strftime('%s','now'),0);" 
		   action
		   owner
		   target
		   runname
		   test
		   item
		   (if params params "")))

(define (keys:key-vals-hash->target keys key-params)
  (let ((tmp (hash-table-ref/default key-params (vector-ref (car keys) 0) "")))
    (if (> (length keys) 1)
	(for-each (lambda (key)
		    (set! tmp (conc tmp "/" (hash-table-ref/default key-params (vector-ref key 0) ""))))
		  (cdr keys)))
    tmp))
								
;; for use from the gui
(define (tasks:add-from-params mdb action keys key-params var-params)
  (let ((target    (keys:key-vals-hash->target keys key-params))
	(owner     (car (user-information (current-user-id))))
	(runname   (hash-table-ref/default var-params "runname" #f))
	(testpatts (hash-table-ref/default var-params "testpatts" "%"))
	(itempatts (hash-table-ref/default var-params "itempatts" "%"))
	(params    (hash-table-ref/default var-params "params"    "")))
    (tasks:add mdb action owner target runname testpatts itempatts params)))

;; return one task from those who are 'new' OR 'waiting' AND more than 10sec old
;;
(define (tasks:snag-a-task mdb)
  (let ((res    #f)
	(keytxt (conc (current-process-id) "-" (get-host-name) "-" (car (user-information (current-user-id))))))

    ;; first randomly set a new to pid-hostname-hostname
    (sqlite3:execute
     mdb 
     "UPDATE tasks_queue SET keylock=? WHERE id IN
        (SELECT id FROM tasks_queue 
           WHERE state='new' OR 
                 (state='waiting' AND (strftime('%s','now')-execution_time) > 10) OR
                 state='reset'
           ORDER BY RANDOM() LIMIT 1);" keytxt)

    (sqlite3:for-each-row
     (lambda (id . rem)
       (set! res (apply vector id rem)))
     mdb
     "SELECT id,action,owner,state,target,name,test,item,params,creation_time,execution_time FROM tasks_queue WHERE keylock=? ORDER BY execution_time ASC LIMIT 1;" keytxt)
    (if res ;; yep, have work to be done
	(begin
	  (sqlite3:execute mdb "UPDATE tasks_queue SET state='inprogress',execution_time=strftime('%s','now') WHERE id=?;"
			   (tasks:task-get-id res))
	  res)
	#f)))

(define (tasks:reset-stuck-tasks mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id delta)
       (set! res (cons id res)))
     mdb
     "SELECT id,strftime('%s','now')-execution_time AS delta FROM tasks_queue WHERE state='inprogress' AND delta>700 ORDER BY delta DESC LIMIT 2;")
    (sqlite3:execute 
     mdb 
     (conc "UPDATE tasks_queue SET state='reset' WHERE id IN ('" (string-intersperse (map conc res) "','") "');"))))

;; return all tasks in the tasks_queue table
;;
(define (tasks:get-tasks mdb types states)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id . rem)
       (set! res (cons (apply vector id rem) res)))
     mdb
     (conc "SELECT id,action,owner,state,target,name,test,item,params,creation_time,execution_time 
               FROM tasks_queue "
               ;; WHERE  
               ;;   state IN " statesstr " AND 
	       ;;   action IN " actionsstr 
	   " ORDER BY creation_time DESC;"))
    res))

;; remove tasks given by a string of numbers comma separated
(define (tasks:remove-queue-entries mdb task-ids)
  (sqlite3:execute mdb (conc "DELETE FROM tasks_queue WHERE id IN (" task-ids ");")))

;; 
(define (tasks:start-monitor db mdb)
  (if (> (tasks:get-num-alive-monitors mdb) 2) ;; have two running, no need for more
      (debug:print-info 1 "Not starting monitor, already have more than two running")
      (let* ((megatestdb     (conc *toppath* "/megatest.db"))
	     (monitordbf     (conc *toppath* "/monitor.db"))
	     (last-db-update 0)) ;; (file-modification-time megatestdb)))
	(task:register-monitor mdb)
	(let loop ((count      0)
		   (next-touch 0)) ;; next-touch is the time where we need to update last_update
	  ;; if the db has been modified we'd best look at the task queue
	  (let ((modtime (file-modification-time megatestdbpath )))
	    (if (> modtime last-db-update)
		(tasks:process-queue db mdb last-db-update megatestdb next-touch))
	    ;; WARNING: Possible race conditon here!!
	    ;; should this update be immediately after the task-get-action call above?
	    (if (> (current-seconds) next-touch)
		(begin
		  (tasks:monitors-update mdb)
		  (loop (+ count 1)(+ (current-seconds) 240)))
		(loop (+ count 1) next-touch)))))))
      
(define (tasks:process-queue db mdb)
  (let* ((task   (tasks:snag-a-task mdb))
	 (action (if task (tasks:task-get-action task) #f)))
    (if action (print "tasks:process-queue task: " task))
    (if action
	(case (string->symbol action)
	  ((run)       (tasks:start-run   db mdb task))
	  ((remove)    (tasks:remove-runs db mdb task))
	  ((lock)      (tasks:lock-runs   db mdb task))
	  ;; ((monitor)   (tasks:start-monitor db task))
	  ((rollup)    (tasks:rollup-runs db mdb task))
	  ((updatemeta)(tasks:update-meta db mdb task))
	  ((kill)      (tasks:kill-monitors db mdb task))))))

(define (tasks:get-monitors mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (a . rem)
       (set! res (cons (apply vector a rem) res)))
     mdb
     "SELECT id,pid,strftime('%m/%d/%Y %H:%M',datetime(start_time,'unixepoch'),'localtime'),strftime('%m/%d/%Y %H:%M:%S',datetime(last_update,'unixepoch'),'localtime'),hostname,username FROM monitors ORDER BY last_update ASC;")
    (reverse res)
    ))

(define (tasks:tasks->text tasks)
  (let ((fmtstr "~10a~10a~10a~12a~20a~12a~12a~12a~10a"))
    (conc (format #f fmtstr "id" "action" "owner" "state" "target" "runname" "testpatts" "itempatts" "params") "\n"

			  (tasks:monitor-get-hostname    monitor)
			  (tasks:monitor-get-username    monitor)))
		monitors)
	   "\n"))))
   
;; update the last_update field with the current time and
;; if any monitors appear dead, remove them
(define (tasks:monitors-update mdb)
  (sqlite3:execute mdb "UPDATE monitors SET last_update=strftime('%s','now') WHERE pid=? AND hostname=?;"
			  (current-process-id)
			  (get-host-name))
  (let ((deadlist '()))
    (sqlite3:for-each-row
     (lambda (id pid host last-update delta)
       (print "Going to delete stale record for monitor with pid " pid " on host " host " last updated " delta " seconds ago")
       (set! deadlist (cons id deadlist)))
     mdb 
     "SELECT id,pid,hostname,last_update,strftime('%s','now')-last_update AS delta FROM monitors WHERE delta > 700;")
    (sqlite3:execute mdb (conc "DELETE FROM monitors WHERE id IN ('" (string-intersperse (map conc deadlist) "','") "');")))
  )

(define (tasks:remove-monitor-record mdb)
  (sqlite3:execute mdb "DELETE FROM monitors WHERE pid=? AND hostname=?;"
		   (current-process-id)
		   (get-host-name)))

(define (tasks:set-state mdb task-id state)
  (sqlite3:execute mdb "UPDATE tasks_queue SET state=? WHERE id=?;" 
		   state 
		   task-id))

;;======================================================================
;; The routines to process tasks
;;======================================================================

;; NOTE: It might be good to add one more layer of checking to ensure
;;       that no task gets run in parallel.

(define (tasks:start-run db mdb task)
  (let ((flags (make-hash-table)))
    (hash-table-set! flags "-rerun" "NOT_STARTED")
    (if (not (string=? (tasks:task-get-params task) ""))
	(hash-table-set! flags "-setvars" (tasks:task-get-params task)))
    (print "Starting run " task)
    ;; sillyness, just call the damn routine with the task vector and be done with it. FIXME SOMEDAY
    (runs:run-tests db
		    (tasks:task-get-target task)
		    (tasks:task-get-name   task)
		    (tasks:task-get-test   task)
		    (tasks:task-get-item   task)
		    (tasks:task-get-owner  task)
		    flags)
    (tasks:set-state mdb (tasks:task-get-id task) "waiting")))

(define (tasks:rollup-runs db mdb task)
  (let* ((flags (make-hash-table)) 
	 (keys  (db:get-keys db))
	 (keyvallst (keys:target->keyval keys (tasks:task-get-target task))))
    ;; (hash-table-set! flags "-rerun" "NOT_STARTED")
    (print "Starting rollup " task)
    ;; sillyness, just call the damn routine with the task vector and be done with it. FIXME SOMEDAY
    (runs:rollup-run db
		     keys 
		     keyvallst
		     (tasks:task-get-name  task)
		     (tasks:task-get-owner  task))
    (tasks:set-state mdb (tasks:task-get-id task) "waiting")))

		    (string-intersperse (append (reverse res)(list qry)) " OR ")
		    (loop (car tal)(cdr tal)(cons qry res)))))))
      #f))

;; 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    (cdb:remote-run db:get-keys #f))
	 (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))
    ;; first look up the key values from the run selected by run-id
    (sqlite3:for-each-row 
     (lambda (a . b)
       (set! keyvals (cons a b)))

		 (conc "SELECT id FROM runs WHERE " qrystr " AND id != ?;") (append keyvals (list run-id)))
	  ;; for each run starting with the most recent look to see if there is a matching test
	  ;; if found then return that matching test record
	  (debug:print 4 "selstr: " selstr ", qrystr: " qrystr ", keyvals: " keyvals ", previous run ids found: " prev-run-ids)
	  (if (null? prev-run-ids) #f
	      (let loop ((hed (car prev-run-ids))
			 (tal (cdr prev-run-ids)))
		(let ((results (cdb:remote-run db:get-tests-for-run #f hed (conc test-name "/" item-path)'() '())))
		  (debug:print 4 "Got tests for run-id " run-id ", test-name " test-name ", item-path " item-path ": " results)
		  (if (and (null? results)
			   (not (null? tal)))
		      (loop (car tal)(cdr tal))
		      (if (null? results) #f
			  (car results))))))))))
    
;; get the previous records for when these tests were run where all keys match but runname
;; NB// Merge this with test:get-previous-test-run-records? This one looks for all matching tests
;; can use wildcards. Also can likely be factored in with get test paths?
(define (test:get-matching-previous-test-run-records db run-id test-name item-path)
  (let* ((keys    (cdb:remote-run db:get-keys #f))
	 (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)
	 (tests-hash (make-hash-table)))
    ;; first look up the key values from the run selected by run-id
    (sqlite3:for-each-row 
     (lambda (a . b)

	  ;; 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 (cdb:remote-run db:get-tests-for-run #f hed (conc 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)))

;; Do not rpc this one, do the underlying calls!!!
(define (tests:test-set-status! test-id state status comment dat)
  (debug:print-info 4 "tests:test-set-status! test-id=" test-id ", state=" state ", status=" status ", dat=" dat)
  (let* ((db          #f)
	 (real-status status)
	 (otherdat    (if dat dat (make-hash-table)))
	 (testdat     (cdb:get-test-info-by-id *runremote* 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 (open-run-close test:get-previous-test-run-record db run-id test-name item-path)))

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

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


(define (tests:test-set-toplog! db run-id test-name logf) 

  (cdb:client-call *runremote* 'tests:test-set-toplog #t logf run-id test-name))

(define (tests:summarize-items db run-id test-name force)
  ;; if not force then only update the record if one of these is true:
  ;;   1. logf is "log/final.log
  ;;   2. logf is same as outputfilename
  (let* ((outputfilename (conc "megatest-rollup-" test-name ".html"))
	 (orig-dir       (current-directory))
	 (logf-info      (cdb:remote-run db:test-get-logfile-info #f run-id test-name))
	 (logf           (if logf-info (cadr logf-info) #f))
	 (path           (if logf-info (car  logf-info) #f)))
    ;; This query finds the path and changes the directory to it for the test


    (set! logf (car logf-info))
    (if (directory? path)
	(begin
	  (print "Found path: " path)
	  (change-directory path))
	;; (set! outputfilename (conc path "/" outputfilename)))
	(print "No such path: " path))



    (debug:print 1 "summarize-items with logf " logf)
    (if (or (equal? logf "logs/final.log")
	    (equal? logf outputfilename)
	    force)
	(begin
	  (if (obtain-dot-lock outputfilename 1 20 30) ;; retry every second for 20 seconds, call it dead after 30 seconds and steal the lock
	      (print "Obtained lock for " outputfilename)
	      (print "Failed to obtain lock for " outputfilename))
	  (let ((oup    (open-output-file outputfilename))
		(counts (make-hash-table))
		(statecounts (make-hash-table))
		(outtxt "")
		(tot    0)
		(testdat (cdb:remote-run db:test-get-records-for-index-file run-id test-name)))
	    (with-output-to-port
		oup
	      (lambda ()
		(set! outtxt (conc outtxt "<html><title>Summary: " test-name 
				   "</title><body><h2>Summary for " test-name "</h2>"))
		(for-each
		 (lambda (testrecord)
		   (let ((id             (vector-ref testrecord 0))
			 (itempath       (vector-ref testrecord 1))
			 (state          (vector-ref testrecord 2))
			 (status         (vector-ref testrecord 3))
			 (run_duration   (vector-ref testrecord 4))
			 (logf           (vector-ref testrecord 5))
			 (comment        (vector-ref testrecord 6)))
		     (hash-table-set! counts status (+ 1 (hash-table-ref/default counts status 0)))
		     (hash-table-set! statecounts state (+ 1 (hash-table-ref/default statecounts state 0)))
		     (set! outtxt (conc outtxt "<tr>"
					"<td><a href=\"" itempath "/" logf "\"> " itempath "</a></td>" 
					"<td>" state    "</td>" 
					"<td><font color=" (common:get-color-from-status status)
					">"   status   "</font></td>"
					"<td>" (if (equal? comment "")
						   "&nbsp;"
						   comment) "</td>"
						   "</tr>"))))


		 testdat)

		(print "<table><tr><td valign=\"top\">")
		;; Print out stats for status
		(set! tot 0)
		(print "<table cellspacing=\"0\" border=\"1\"><tr><td colspan=\"2\"><h2>State stats</h2></td></tr>")
		(for-each (lambda (state)
			    (set! tot (+ tot (hash-table-ref statecounts state)))
			    (print "<tr><td>" state "</td><td>" (hash-table-ref statecounts state) "</td></tr>"))

		(print "<table cellspacing=\"0\" border=\"1\">" 
		       "<tr><td>Item</td><td>State</td><td>Status</td><td>Comment</td>"
		       outtxt "</table></body></html>")
		(release-dot-lock outputfilename)))
	    (close-output-port oup)
	    (change-directory orig-dir)
	    ;; NB// tests:test-set-toplog! is remote internal...
	    (tests:test-set-toplog! db run-id test-name outputfilename)
	    )))))

(define (get-all-legal-tests)
  (let* ((tests  (glob (conc *toppath* "/tests/*")))
	 (res    '()))
    (debug:print-info 4 "Looking at tests " (string-intersperse tests ","))

		 #t ;; this is the correct order, b is waiting on a and b is before a
		 (if (> a-priority b-priority)
		     #t ;; if a is a higher priority than b then we are good to go
		     #f))))))))

;; for each test:
;;   
(define (tests:filter-non-runnable run-id testkeynames testrecordshash)
  (let ((runnables '()))
    (for-each
     (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     (cdb:remote-run db:get-test-id #f run-id test-name item-path))
	      (tdat        (cdb:get-test-info-by-id *runremote* 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 (cdb:remote-run db:get-test-id #f run-id waiton ""))
				      (wtdat (cdb:get-test-info-by-id *runremote* 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 test-id) ;; run-id test-name itemdat)
  (let* (;; (item-path (item-list->path itemdat))
	 (testdat   (cdb:get-test-info-by-id *runremote* 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)

# The NEWTARGET causes some tests to fail. Do not use until this is fixed.
NEWTARGET  = "-target $(OS)/$(FS)/$(VER)"
TARGET     = "-target ubuntu/nfs/none"

all : test1 test2 test3 test4 test5

test0 : cleanprep
	cd simplerun ; $(MEGATEST) -server - -debug $(DEBUG)&

test1 : cleanprep
	rm -f simplerun/megatest.db
	rm -rf simplelinks/ simpleruns/
	mkdir -p simplelinks simpleruns
	cd simplerun;cp ../../*_records.scm .;perl -pi.bak -e 's/define-inline/define/' *_records.scm
	cd simplerun;echo '(load "../tests.scm")' | $(MEGATEST) -repl -debug $(DEBUG)

# NOTE: Only one instance can be a server
test5 : fullprep
	cd fullrun;$(MEGATEST) $(SERVER) $(LOGGING) &
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_aa -debug $(DEBUG) $(LOGGING) > aa.log 2> aa.log &
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_ab -debug $(DEBUG) $(LOGGING) > ab.log 2> ab.log &
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_ac -debug $(DEBUG) $(LOGGING) > ac.log 2> ac.log &
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_ad -debug $(DEBUG) $(LOGGING) > ad.log 2> ad.log &	
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_ae -debug $(DEBUG) $(LOGGING) > ae.log 2> ae.log &	
	cd fullrun;sleep 10;$(MEGATEST) -runall $(TARGET) :runname $(RUNNAME)_af -debug $(DEBUG) $(LOGGING) > af.log 2> af.log &	

test6: fullprep
	cd fullrun;$(MEGATEST) -runtests runfirst -testpatt %/1 -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_itempatt -v
	cd fullrun;$(MEGATEST) -runtests runfirst -testpatt %blahha% -reqtarg ubuntu/nfs/none :runname $(RUNNAME)_itempatt -debug 10
	cd fullrun;$(MEGATEST) -rollup :runname newrun -target ubuntu/nfs/none -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
	rm -f */logging.db */monitor.db
	touch cleanprep

fullprep : cleanprep
	cd fullrun;$(MEGATEST) -server - -debug $(DEBUG) &
	sleep 5;cd fullrun;$(MEGATEST) -remove-runs :runname $(RUNNAME)% -target %/%/% -testpatt %/%
	cd fullrun;$(BINPATH)/dboard -rows 15 &

dashboard : cleanprep
	cd fullrun && $(BINPATH)/dashboard -rows 25 &

remove :
	cd fullrun;$(MEGATEST) -remove-runs :runname $(RUN)  -testpatt % -itempatt % :sysname % :fsname % :datapath %

clean  : 
	rm cleanprep

kill :
	killall -v mtest main.sh dboard || true
	rm -f */megatest.db */logging.db */monitor.db || true
	killall -v mtest dboard || true

hardkill : kill
	sleep 5;killall -v mtest main.sh dboard -9

runforever :
	while(ls); do runname=`date +%F-%R:%S`;(cd fullrun;$(MEGATEST) -runall -target ubuntu/nfs/none :runname $$runname;/home/matt/data/megatest/megatest -runall -target ubuntu/nfs/none :runname $$runname;/home/matt/data/megatest/megatest -runall -target ubuntu/nfs/none :runname $$runname);done

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

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(require-extension test)
(require-extension regex)
(require-extension srfi-18)
(import srfi-18)
(require-extension zmq)
(import zmq)

(define test-work-dir (current-directory))

;; read in all the _record files
(let ((files (glob "*_records.scm")))
  (for-each
   (lambda (file)
     (print "Loading " file)
     (load file))
   files))

(define *runremote* #f)

;;======================================================================
;; P R O C E S S E S
;;======================================================================

(test "cmd-run-with-stderr->list" '("No such file or directory")
      (let ((reslst (cmd-run-with-stderr->list "ls" "/tmp/ihadbetternotexist")))

;; test:match->sqlqry
(test #f "(testname GLOB 'a' AND item_path GLOB 'b') OR (testname LIKE 'a%' AND item_path LIKE '%') OR (testname GLOB '' AND item_path LIKE 'b%')"
      (tests:match->sqlqry "a/b,a%,/b%"))
(test #f "(testname GLOB 'a' AND item_path GLOB 'b') OR (testname LIKE 'a%' AND item_path LIKE '%') OR (testname LIKE '%' AND item_path LIKE 'b%')"
      (tests:match->sqlqry "a/b,a%,%/b%"))

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

(test "setup for run" #t (begin (setup-for-run)
				(string? (getenv "MT_RUN_AREA_HOME"))))

(test "server-register, get-best-server" '("bob" 1234) (let ((res #f))
							 (open-run-close tasks:server-register tasks:open-db 1 "bob" 1234 100 'live)
							 (set! res (open-run-close tasks:get-best-server tasks:open-db))
							 res))
(test "de-register server" #t (let ((res #f))
				(open-run-close tasks:server-deregister tasks:open-db "bob" port: 1234)
				(list? (open-run-close tasks:get-best-server tasks:open-db))))

(define hostinfo #f)
(test #f #t (let ((dat (open-run-close tasks:get-best-server tasks:open-db)))
				   (set! hostinfo dat)
				   (and (string? (car dat))
					(number? (cadr dat)))))

(test #f #t (let ((zmq-socket (apply server:client-connect hostinfo)))
	      (set! *runremote* zmq-socket)
	      (socket? *runremote*)))

(test #f #t (let ((res (server:client-login *runremote*)))
	      (car res)))

(test #f #t (socket? *runremote*))

;; (test #f #t (server:client-setup))

(test #f #t (car (cdb:login *runremote* *toppath* *my-client-signature*)))

;;======================================================================
;; C O N F I G   F I L E S 
;;======================================================================

(define conffile #f)
(test "Read a config" #t (hash-table? (read-config "test.config" #f #f)))

;; db
(define row    (vector "a" "b" "c" "blah"))
(define header (list "col1" "col2" "col3" "col4"))
(test "Get row by header" "blah" (db:get-value-by-header row header "col4"))

;; (define *toppath* "tests")
(define *db* #f)


(test "open-db" #t (begin
		     (set! *db* (open-db))
		     (if *db* #t #f)))

;; quit wasting time, I'm changing *db* to db
(define db *db*)

		  item (check-valid-items "status" item)))
	  (list "pass" "fail" "n/a"))

(test "write env files" "nada.csh" (begin
                                      (save-environment-as-files "nada")
                                      (and (file-exists? "nada.sh")
    			                 (file-exists? "nada.csh"))))

(test #f #t (cdb:client-call *runremote* 'immediate #f (lambda ()(display "Got here eh!?") #t)))

;; (set! *verbosity* 20)
(test #f *verbosity* (cdb:set-verbosity *runremote* *verbosity*))
(test #f #f (cdb:roll-up-pass-fail-counts *runremote* 1 "test1" "" "PASS"))
;; (set! *verbosity* 1)
;; (cdb:set-verbosity *runremote* *verbosity*)

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













(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" ":SYSTEM" "ubuntu" ":RELEASE" "v1.2" ":datapath" "blah/foo" "nada")
		 (list ":runname" ":state" ":status")
		 (list "-h")
		 args:arg-hash
		 0))

(test "register-run" #t (number? (runs:register-run *db*
						    (db:get-keys *db*)
						    '(("SYSTEM" "key1")("RELEASE" "key2"))
						    "myrun" 
						    "new"
						    "n/a" 
						    "bob")))

(test #f "CACHED"       (cdb:tests-register-test *runremote* 1 "nada" ""))
(test #f 1              (cdb:remote-run db:get-test-id #f 1 "nada" ""))
(test #f "NOT_STARTED"  (vector-ref (open-run-close db:get-test-info #f 1 "nada" "") 3))
(test #f "NOT_STARTED"  (vector-ref (cdb:get-test-info *runremote* 1 "nada" "") 3))

(define keys (db:get-keys *db*))

;;======================================================================
;; D B
;;======================================================================

(test #f "FOO LIKE 'abc%def'" (db:patt->like "FOO" "abc%def"))

(change-directory test-work-dir)
(test "Add a step"  #t
      (begin
	(db:teststep-set-status! db 2 "step1" "start" 0 "This is a comment" "mylogfile.html")
	(sleep 2)
	(db:teststep-set-status! db 2 "step1" "end" "pass" "This is a different comment" "finallogfile.html")
	(set! test-id (db:test-get-id (car (cdb:remote-run db:get-tests-for-run #f 1 "test1" '() '()))))
	(number? test-id)))

(test "Get rundir"       #t (let ((rundir (cdb:remote-run db:test-get-rundir-from-test-id #f test-id)))
			      (print "Rundir " rundir)
			      (system (conc "mkdir -p " rundir))
			      (string? rundir)))
(test #f #t (sqlite3#database? (open-test-db "./")))
(test "Create a test db" "../simpleruns/key1/key2/myrun/test1/testdat.db"
      (let ((tdb (open-run-close db:open-test-db-by-test-id db test-id)))
	(if tdb (sqlite3#finalize! tdb))
	(file-exists? "../simpleruns/key1/key2/myrun/test1/testdat.db")))

(test "Get steps for test" #t (let ((steps (cdb:remote-run db:get-steps-for-test #f test-id)))
				(print steps)
				(> (length steps) 0)))
(test "Get nice table for steps" "2.0s"
      (begin
	(vector-ref (hash-table-ref (open-run-close db:get-steps-table #f test-id) "step1") 4)))

;; (exit)

;;======================================================================
;; R E M O T E   C A L L S 
;;======================================================================









(define start-wait (current-seconds))

(print "Starting intensive cache and rpc test")
(for-each (lambda (params)
	    (cdb:tests-register-test *runremote* 1 (conc "test" (random 20)) "")
	    (apply cdb:test-set-status-state *runremote* test-id params)
	    (cdb:pass-fail-counts *runremote* test-id (random 100) (random 100))
	    (cdb:test-rollup-test_data-pass-fail *runremote* test-id)
	    (thread-sleep! 0.01)) ;; cache ordering granularity is at the second level. Should really be at the ms level
	  '(("COMPLETED"    "PASS" #f)
	    ("NOT_STARTED"  "FAIL" "Just testing")
	    ("NOT_STARTED"  "FAIL" "Just testing")
	    ("NOT_STARTED"  "FAIL" "Just testing")
	    ("COMPLETED"    "PASS" #f)
	    ("NOT_STARTED"  "FAIL" "Just testing")

	    ("NOT_STARTED"  "FAIL" "Just testing")
	    ("COMPLETED"    "PASS" #f)
	    ("NOT_STARTED"  "FAIL" "Just testing")
	    ("KILLED"       "UNKNOWN" "More testing")
	    ("KILLED"       "UNKNOWN" "More testing")
	    ))
;; now set all tests to completed
(cdb:flush-queue *runremote*)
(let ((tests (cdb:remote-run db:get-tests-for-run #f 1 "%" '() '())))
  (print "Setting " (length tests) " to COMPLETED/PASS")
  (for-each
   (lambda (test)
     (cdb:test-set-status-state *runremote* (db:test-get-id test) "COMPLETED" "PASS" "Forced pass"))
   tests))

(print "Waiting for server to be done, should be about 20 seconds")
(cdb:kill-server *runremote*)
;; (process-wait server-pid)
(test "Server wait time" #t (let ((run-delta (- (current-seconds) start-wait)))
			      (print "Server ran for " run-delta " seconds")
			      (> run-delta 20)))

(test "Rollup the run(s)" #t (begin
			       (runs:rollup-run keys (keys->alist keys "na") "rollup" "matt")
			       #t))

(hash-table-set! args:arg-hash ":runname" "%")

(test "Remove the rollup run" #t (begin (operate-on 'remove-runs)))

(thread-join! th1 th2 th3)

;; ADD ME!!!! (db:get-prereqs-not-met *db* 1 '("runfirst") "" mode: 'normal)
;; ADD ME!!!! (rdb:get-tests-for-run *db* 1 "runfirst" #f '() '())

(use zmq posix srfi-18)

(define s (make-socket 'req))
(connect-socket s "tcp://*:5563")

(define myname (cadr (argv)))

(print "Start client...")

(use zmq srfi-18 posix)

(define th1 (make-thread 
	     (lambda ()
	       (let ((s (make-socket 'rep)))
		 (bind-socket s "tcp://*:5563")

		 (print "Start server...")
		 (let loop ()
		   (let* ((msg  (receive-message s))
			  (name (caddr (string-split msg " ")))
			  (resp (conc "World " name)))
		     (print "Received request: [" msg "]")
		     (thread-sleep! 0.0001)
		     (print "Sending response \"" resp "\"")
		     (send-message s resp)
		     (loop)))))))
(define th2 (make-thread
	     (lambda ()
	       (let loop ((count 0))
		 (print "count is " count)
		 (thread-sleep! 0.1)
		 (if (< count 10000)
		     (loop (+ count 1)))))))

(thread-start! th1)
(thread-start! th2)

(thread-join! th1)

#!/bin/bash

echo Compiling hwclient and hwserver
csc hwclient.scm
csc hwserver.scm

./hwserver > hwserver.log &

sleep 1
for x in a b c d e f g h i j k l m n o p q r s t u v w x y z;do
./hwclient $x &
done

# killall -v hwserver hwclient