Megatest

(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 (rdb:get-keys 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)
   ))
	

	(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 idb (open-db)))
  (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)
  (debug:print-info 11 "open-run-close-exception-handling START, idb=" idb ", params=" params)
  (let ((runner (lambda ()
		  (let* ((db   (if 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))))
    (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....")
  (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....")
       (runner))
     (runner))))
     (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 (db:delete-tests-in-state db run-id state)
  (sqlite3:execute db "DELETE FROM tests WHERE state=? AND run_id=?;" state run-id))
(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-cached)
(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 (db:test-set-rundir! db run-id test-name item-path rundir)
(define (cdb:test-set-rundir! zmqsocket run-id test-name item-path rundir)
  (sqlite3:execute 
   db 
   "UPDATE tests SET rundir=? WHERE run_id=? AND testname=? AND item_path=?;"
   rundir run-id test-name item-path))
  (cdb:client-call zmqsocket 'test-set-rundir #t rundir run-id test-name item-path))

(define (db:test-set-rundir-by-test-id! db test-id rundir)
(define (cdb:test-set-rundir-by-test-id zmqsocket test-id rundir)
  (sqlite3:execute 
   db 
   "UPDATE tests SET rundir=? WHERE id=?"
   rundir test-id))
  (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 (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))))
  (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 (db:test-set-log! db test-id logf)
  (if (string? logf)
(define (cdb:test-set-log! zmqsocket test-id logf)
  (if (string? logf)(cdb:client-call zmqsocket 'test-set-log #f logf test-id)))
      (sqlite3:execute db "UPDATE tests SET final_logf=? WHERE id=?;"
		       logf test-id)
      (debug:print 0 "ERROR: db:test-set-log! called with non-string log file name " logf)))

;;======================================================================
;; 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") "%"))

    res))

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

;; 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)))
;; (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 (null? remparam)
	       #f ;; no path - fail!
	       (let ((calling-path (car remparam)))
		 (if (equal? calling-path *toppath*)
		     #t      ;; path matches - pass! Should vet the caller at this time ...
		     #f))))  ;; else fail to login
	  ((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 zmqsocket val)
  (cdb:client-call zmqsocket 'set-verbosity #f val))

(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:queries 
  '((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    "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=?;")
    (rollup-tests-pass-fail "UPDATE tests 
  (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=?")
                               SET fail_count=(SELECT count(id) FROM tests WHERE 
                                     run_id=? AND testname=? AND item_path != '' AND status='FAIL'),
                                   pass_count=(SELECT count(id) FROM tests WHERE 
	'(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=?;")
                                     run_id=? AND testname=? AND item_path != '' AND (status='PASS' OR status='WARN' OR status='WAIVED'))
                               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))
(define db:run-local-queries '(rollup-tests-pass-fail))
(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
       ;; 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 "!"))))))
				   (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 speical-qry 2)))
	       (apply sqlite3:execute db qry params)
		    (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
	     (sqlite3:with-transaction 
	      db
	      (lambda ()
		(debug:print-info 11 "flushing " stmts " to db")
		(if (not (null? stmts))
		    (let innerloop ((hed (car stmts))
				    (tal (cdr stmts)))
		      (let ((params   (vector-ref hed 2))
			    (stmt-key (vector-ref hed 0)))
			(if (not (member stmt-key db:special-queries))
			    (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))))
			    (outerloop hed tal)))))))))
	     (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))

;; 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*)
  ;; (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)

	  (thread-sleep! 1) ;; play nice with the queue by ensuring the rollup is at least 10ms later than the set
	  (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" "%")) "%")


;;======================================================================
;; REMOTE DB ACCESS VIA RPC
;;======================================================================

;; (define (rdb:test-set-status-state test-id status state msg)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	(handle-exceptions
;; 	 exn
;; 	 (begin
;; 	   (debug:print 0 "EXCEPTION: rpc call failed?")
;; 	   (debug:print 0 "  " ((condition-property-accessor 'exn 'message) exn))
;; 	   (print-call-chain)
;; 	   (cdb:test-set-status-state test-id status state msg))
;; 	 ((rpc:procedure 'cdb:test-set-status-state host port) test-id status state msg)))
;;       (cdb:test-set-status-state test-id status state msg)))
;; 
;; (define (rdb:test-rollup-test_data-pass-fail test-id)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'cdb:test-rollup-test_data-pass-fail host port) test-id))
;;       (cdb:test-rollup-test_data-pass-fail test-id)))
;; 
;; (define (rdb:pass-fail-counts test-id fail-count pass-count)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'cdb:pass-fail-counts host port) test-id fail-count pass-count))
;;       (cdb:pass-fail-counts test-id fail-count pass-count)))
;; 
;; ;; currently forces a flush of the queue
;; (define (rdb:tests-register-test db run-id test-name item-path)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'cdb:tests-register-test host port) db run-id test-name item-path force-write: #t))
;;       (cdb:tests-register-test db run-id test-name item-path force-write: #t)))
;; 
;; (define (rdb:flush-queue)
;;   (if *runremote*
;;       (let ((host (vector-ref *runremote* 0))
;; 	    (port (vector-ref *runremote* 1)))
;; 	((rpc:procedure 'cdb:flush-queue host port)))
;;       (cdb:flush-queue)))
;; 

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

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

						   (open-run-close db:teststep-set-status! #f test-id stepname "start" "-" #f #f)
						   (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)
						       (open-run-close db:teststep-set-status! #f test-id stepname "end" exinfo #f logfna))
						       (cdb:remote-run db:teststep-set-status! #f test-id stepname "end" exinfo #f logfna))
						     (if logpro-used
							 (open-run-close db:test-set-log! #f test-id (conc stepname ".html")))
							 (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)

		 (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  (open-run-close db:get-test-info-by-id #f test-id))) ;; )) ;; run-id test-name item-path)))
		   (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 (db:get-run-info db run-id))
  (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 (db:get-key-vals db run-id))
	 (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
    (db:test-set-rundir-by-test-id! db test-id lnkpathf)
    (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       (db:get-test-info-by-id db test-id)) ;;  run-id testname item-path))
	(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?
	  (db:test-set-rundir! db run-id testname "" lnkpath) ;; toptest-path)
	  (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    (open-run-close db:get-test-id db run-id test-name item-path))
	 (testinfo   (open-run-close db:get-test-info-by-id db test-id))
	 (test-id    (cdb:remote-run db:get-test-id #f run-id test-name item-path))
	 (testinfo   (cdb:remote-run db:get-test-info-by-id #f 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)
    ;; (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

      (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")
    (server:launch)
    (server:launch))

(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 "No server needed")
    (server:client-launch))

;;======================================================================
;; Remove old run(s)
;;======================================================================

;; since several actions can be specified on the command line the removal

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

	 db
	 "SELECT runname FROM runs WHERE id=?;"
	 run-id))
    (setenv "MT_RUNNAME" *current-run-name*)
    (setenv "MT_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 db test-record)
(define (runs:can-run-more-tests test-record)
  (let* ((tconfig                 (tests:testqueue-get-testconfig test-record))
	 (jobgroup                (config-lookup tconfig "requirements" "jobgroup"))
	 (num-running             (db:get-count-tests-running db))
	 (num-running-in-jobgroup (db:get-count-tests-running-in-jobgroup db jobgroup))
	 (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        (open-run-close db:get-keys db))
	 (keys        (cdb:remote-run db:get-keys #f))
	 (keyvallst   (keys:target->keyval keys target))
	 (run-id      (open-run-close runs:register-run db keys keyvallst runname "new" "n/a" user))  ;;  test-name)))
	 (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)))

    (open-run-close set-megatest-env-vars db run-id) ;; these may be needed by the launching process
    (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.
	  (open-run-close db:delete-tests-in-state db run-id "NOT_STARTED")
	  (open-run-close db:set-tests-state-status db run-id test-names #f "FAIL" "NOT_STARTED" "FAIL")))
	  (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 #f test-record)) ;; look at the test jobgroup and tot jobs running
	      (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    (open-run-close runs:can-run-more-tests #f test-record)))
	      (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)
			  (open-run-close set-megatest-env-vars #f run-id) ;; these may be needed by the launching process
			  (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

		 )
    ;; setting itemdat to a list if it is #f
    (if (not itemdat)(set! itemdat '()))
    (set! item-path (item-list->path itemdat))
    (debug:print 2 "Attempting to launch test " test-name (if (equal? item-path "/") "/" item-path))
    (setenv "MT_TEST_NAME" test-name) ;; 
    (setenv "MT_RUNNAME"   runname)
    (open-run-close set-megatest-env-vars db run-id) ;; these may be needed by the launching process
    (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       (open-run-close db:get-test-id db  run-id test-name item-path))
	   (testdat       (open-run-close db:get-test-info-by-id db test-id)))
	   (test-id       (cdb:remote-run db:get-test-id #f  run-id test-name item-path))
	   (testdat       (cdb:remote-run db:get-test-info-by-id #f 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)

(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 ((host:port      (open-run-close db:get-var #f "SERVER"))) ;; do whe already have a server running?
  (let* ((hostport      (open-run-close tasks:get-best-server tasks:open-db)) ;; do whe already have a server running?
	 (host:port (server:make-server-url hostport)))
    (if host:port 
	(begin
	  (debug:print 0 "NOTE: server already running.")
	  (if (server:client-setup)
	      (begin 
		(debug:print-info 0 "Server is alive, not starting another")
		(debug:print-info 0 "Server is alive, not starting another"))
		;;(exit)
		)
	      (begin
		(debug:print-info 0 "Server is dead, removing flag and trying again")
		(open-run-close db:del-var #f "SERVER")
		(server:run hostn))))
		(debug:print-info 0 "Server is dead, deregistering it, please try again")
		(open-run-close tasks:server-deregister tasks:open-db (car hostport) port: (cadr port))
		;; (server:run hostn)
		(debug:print 0 "WOULD NORMALLY START ANOTHER SERVER HERE")
		)
	      )
	  )
	(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))
	  (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 db:del-var #f "SERVER")
		     (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)

	    (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 *time-to-exit* (exit))
	      (loop)))))))

;; 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 

		(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")
		;; (exit)))
		))))))

(define (server:find-free-port-and-open host s port)
(define (server:find-free-port-and-open host s port trynum)
  (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 100)
       (server:find-free-port-and-open host s (+ p 1)))
	   (server:find-free-port-and-open host s (+ p 1) (+ 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 db:set-var #f "SERVER" zmq-url)
       (open-run-close tasks:server-register tasks:open-db (current-process-id) host p 0 'live)
       s))))

(define (server:client-setup)
  (if (not *toppath*)(setup-for-run))
  (let* ((hostinfo   (open-run-close db:get-var #f "SERVER"))
  (let* ((hostinfo   (open-run-close tasks:get-best-server tasks:open-db))
	 (zmq-socket (make-socket 'req)))
    (if hostinfo
	(begin
	  (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 db:del-var #f "SERVER")
	     (exit)
	     (open-run-close tasks:server-deregister tasks:open-db (car hostinfo) port: (cadr hostinfo))
	     ;; (exit) ;; why forced exit?
	     #f)
	   (let ((connect-ok #f))
	     (connect-socket zmq-socket hostinfo)
	   (let ((connect-ok #f)
		 (conurl     (server:make-server-url hostinfo)))
	     (connect-socket zmq-socket conurl)
	     (set! connect-ok (cdb:client-call zmq-socket 'login #t *toppath*))
	     (if connect-ok
		 (begin
		   (debug:print-info 2 "Logged in and connected to " hostinfo)
		   (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 " hostinfo)
		   (debug:print-info 2 "Failed to login or connect to " conurl)
		   (set! *runremote* #f)
		   #f)))))
	(begin
	  (debug:print-info 0 "NO SERVER RUNNING! PLEASE START ONE! E.g. \"megatest -server - &\"")
	  (debug:print-info 2 "No server available, attempting to start one...")
	  (system (conc "megatest -server - " (if (args:get-arg "-debug")
						  (conc "-debug " (args:get-arg "-debug"))
						  "")
			" &"))
	  (sleep 5)
	  (server:client-setup)))))
	;;   (debug:print-info 2 "No server available, attempting to start one...")
	;;   (system (conc (car (argv)) " -server - " (if (args:get-arg "-debug")
	;; 					  (conc "-debug " (args:get-arg "-debug"))
	;; 					  "")
	;; 		" &"))
	  ;; (sleep 5)
	  ;; (server:client-setup)
	  ))))

(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! th3)
	  (thread-start! th2)
	  (thread-join! th3)
	  (thread-join! th2)
	  (set! *didsomething* #t))
	(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")
	(exit))))

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

(define (tasks:open-db)
  (let* ((dbpath  (conc *toppath* "/monitor.db"))
	 (exists  (file-exists? dbpath))
	 (tdb     (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	 (mdb     (sqlite3:open-database dbpath)) ;; (never-give-up-open-db dbpath))
	 (handler (make-busy-timeout 36000)))
    (sqlite3:set-busy-handler! tdb handler)
    (sqlite3:set-busy-handler! mdb handler)
    (if (not exists)
	(begin
	  (sqlite3:execute tdb "CREATE TABLE IF NOT EXISTS tasks_queue (id INTEGER PRIMARY KEY,
	  (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 tdb "CREATE TABLE IF NOT EXISTS monitors (id INTEGER PRIMARY KEY,
	  (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));")))
    tdb))
                               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))
  (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))


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


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



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

(define (tasks:register-monitor db tdb)
(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 tdb "INSERT INTO monitors (pid,start_time,last_update,hostname,username) VALUES (?,strftime('%s','now'),strftime('%s','now'),?,?);"
    (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 tdb)
(define (tasks:get-num-alive-monitors mdb)
  (let ((res 0))
    (sqlite3:for-each-row 
     (lambda (count)
       (set! res count))
     tdb
     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 tdb action owner target runname test item params)
  (sqlite3:execute tdb "INSERT INTO tasks_queue (action,owner,state,target,name,test,item,params,creation_time,execution_time)
(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 tdb action keys key-params var-params)
(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 tdb action owner target runname testpatts itempatts 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 tdb)
(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
     tdb 
     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)))
     tdb
     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 tdb "UPDATE tasks_queue SET state='inprogress',execution_time=strftime('%s','now') WHERE id=?;"
	  (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 tdb)
(define (tasks:reset-stuck-tasks mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id delta)
       (set! res (cons id res)))
     tdb
     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 
     tdb 
     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 tdb types states)
(define (tasks:get-tasks mdb types states)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id . rem)
       (set! res (cons (apply vector id rem) res)))
     tdb
     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 tdb task-ids)
  (sqlite3:execute tdb (conc "DELETE FROM tasks_queue WHERE id IN (" task-ids ");")))
(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 tdb)
  (if (> (tasks:get-num-alive-monitors tdb) 2) ;; have two running, no need for more
(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 tdb)
	(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 tdb last-db-update megatestdb next-touch))
		(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 tdb)
		  (tasks:monitors-update mdb)
		  (loop (+ count 1)(+ (current-seconds) 240)))
		(loop (+ count 1) next-touch)))))))
      
(define (tasks:process-queue db tdb)
  (let* ((task   (tasks:snag-a-task tdb))
(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 tdb task))
	  ((remove)    (tasks:remove-runs db tdb task))
	  ((lock)      (tasks:lock-runs   db tdb task))
	  ((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 tdb task))
	  ((updatemeta)(tasks:update-meta db tdb task))
	  ((kill)      (tasks:kill-monitors db tdb 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 tdb)
(define (tasks:get-monitors mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (a . rem)
       (set! res (cons (apply vector a rem) res)))
     tdb
     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 tdb)
  (sqlite3:execute tdb "UPDATE monitors SET last_update=strftime('%s','now') WHERE pid=? AND hostname=?;"
(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)))
     tdb 
     mdb 
     "SELECT id,pid,hostname,last_update,strftime('%s','now')-last_update AS delta FROM monitors WHERE delta > 700;")
    (sqlite3:execute tdb (conc "DELETE FROM monitors WHERE id IN ('" (string-intersperse (map conc deadlist) "','") "');")))
    (sqlite3:execute mdb (conc "DELETE FROM monitors WHERE id IN ('" (string-intersperse (map conc deadlist) "','") "');")))
  )

(define (tasks:remove-monitor-record tdb)
  (sqlite3:execute tdb "DELETE FROM monitors WHERE pid=? AND hostname=?;"
(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 tdb task-id state)
  (sqlite3:execute tdb "UPDATE tasks_queue SET state=? WHERE id=?;" 
(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 tdb task)
(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 tdb (tasks:task-get-id task) "waiting")))
    (tasks:set-state mdb (tasks:task-get-id task) "waiting")))

(define (tasks:rollup-runs db tdb task)
(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 tdb (tasks:task-get-id task) "waiting")))
    (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    (db:get-keys db))
  (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 (db:get-tests-for-run db hed (conc test-name "/" item-path)'() '())))
		(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    (db:get-keys db))
  (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 (db:get-tests-for-run db hed (conc test-name "/" item-path) '() '())))
		(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     (open-run-close db:get-test-info-by-id db test-id))
	 (testdat     (cdb:remote-run db:get-test-info-by-id #f 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     )))
	    (open-run-close db:csv->test-data db test-id
	    (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
    (open-run-close db:roll-up-pass-fail-counts db run-id test-name item-path status)
    (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)))
	  (open-run-close db:test-set-comment db test-id cmt)))
	  (cdb:remote-run db:test-set-comment #f test-id cmt)))
    ))


(define (tests:test-set-toplog! db run-id test-name logf) 
  (sqlite3:execute db "UPDATE tests SET final_logf=? WHERE run_id=? AND testname=? AND item_path='';" 
		   logf run-id test-name))
  (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           #f))
  (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
    (sqlite3:for-each-row 
     (lambda (path final_logf)
       (set! logf final_logf)
       (if (directory? path)
	   (begin
	     (print "Found path: " path)
	     (change-directory path))
	     ;; (set! outputfilename (conc path "/" outputfilename)))
	   (print "No such path: " path)))
    (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))
     db 
     "SELECT rundir,final_logf FROM tests WHERE run_id=? AND testname=? AND item_path='';"
     run-id test-name)
    (print "summarize-items with logf " logf)
    (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))

# 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) $(LOGGING) > af.log 2> af.log &	
	cd fullrun;sleep 10;$(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 fullrun/logging.db
	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 fullrun/megatest.db fullrun/logging.db || true
	killall -v -9 mtest 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 #f "item_path GLOB ''" (db:patt->like "item_path" ""))

;; 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" #f (let ((res #f))
				(open-run-close tasks:server-deregister tasks:open-db "bob" port: 1234)
				(open-run-close tasks:get-best-server tasks:open-db)))


;; (exit)

(set! *verbosity* 3) ;; enough to trigger turning off exception handling in db accesses
(define server-pid (process-run "../../bin/megatest" (list "-server" "-" "-debug" (conc *verbosity*))))
(sleep 3)
(set! *verbosity* 1)

(define th1 (make-thread (lambda ()(server:client-setup))))
(thread-start! th1)

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

;;======================================================================
;; 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 "setup for run" #t (begin (setup-for-run)
				(string? (getenv "MT_RUN_AREA_HOME"))))
(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 "register-test, test info" "NOT_STARTED"
      (begin
	(cdb:tests-register-test *remoterun* 1 "nada" "")
	;; (rdb:flush-queue)
	(vector-ref (db:get-test-info *db* 1 "nada" "") 3)))

(test #f "NOT_STARTED"    
      (begin
	(rdb:tests-register-test #f 1 "nada" "")
	;; (rdb:flush-queue)
	(vector-ref (open-run-close db:get-test-info #f 1 "nada" "") 3)))

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

(define remargs (args:get-args
		 '("bar" "foo" ":runname" "bob" ":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 (db:get-tests-for-run db 1 "test1" '() '()))))
	(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 (db:test-get-rundir-from-test-id db test-id)))
			      (print "Rundir" rundir)
(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 (db:open-test-db-by-test-id db test-id)))
			      (sqlite3#finalize! tdb)
			      (file-exists? "../simpleruns/key1/key2/myrun/test1/testdat.db")))
(test "Get steps for test" #t (> (length (db:get-steps-for-test db test-id)) 0))
(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 (db:get-steps-table db test-id) "step1") 4)))
	(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 
;;======================================================================

;; start a server process
(set! *verbosity* 10)
;; (define server-pid (process-run "../../bin/megatest" (list "-server" "-" "-debug" (conc *verbosity*))))
;; (sleep 2)

(define th1 (make-thread server:launch))
(thread-start! th1)

(define start-wait (current-seconds))
(server:client-setup)
(print "Starting intensive cache and rpc test")
(for-each (lambda (params)
	    ;;; (rdb:tests-register-test #f 1 (conc "test" (random 20)) "")
	    (apply cdb:test-set-status-state *remoterun* test-id params)
	    (rdb:pass-fail-counts test-id (random 100) (random 100))
	    (rdb:test-rollup-test_data-pass-fail test-id)
	    (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
(rdb:flush-queue)
(let ((tests (open-run-close db:get-tests-for-run #f 1 "%" '() '())))
(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)
     (rdb:test-set-status-state (db:test-get-id test) "COMPLETED" "PASS" "Forced pass"))
     (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)
;; (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 '() '())