Megatest

       (debug:print 0 "WARNING: Failed to find out if it is ok to skip the wait queue. Will try again in few seconds")
       (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
       (thread-sleep! 10)
       (if (> count 0)
	   (begin
	     (sqlite3:finalize! db)
	     (lock-queue:wait-turn fname test-id count: (- count 1)))
	   (begin
	     (debug:print 0 "Giving up calls to lock-queue:wait-turn for test-id " test-id " at path " fname ", printing call chain")
	     (print-call-chain)
	     #f)))
     (tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 waiting-msg: "lock-queue:wait-turn; waiting on journal file")
     (sqlite3:execute
      db
      "INSERT OR REPLACE INTO queue (test_id,start_time,state) VALUES (?,?,'waiting');"
      test-id mystart)
     (thread-sleep! 1) ;; give other tests a chance to register
     (let ((result 

     (lambda (a . b)
       (set! res (cons (apply vector a b) res)))
     mdb
     (conc "SELECT " selstr " FROM servers WHERE run_id=? AND state in ('available','running','dbprep') ORDER BY start_time DESC;")
     run-id)
    (vector header res)))

(define (tasks:get-server mdb run-id #!key (retries 10))
  (let ((res  #f)
	(best #f))
    (handle-exceptions
     exn
     (begin 
       (debug:print 0 "WARNING: tasks:get-server db access error.")
	   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
	   (debug:print 0 " for run " run-id)
	   (print-call-chain)
	   (if (> retries 0)
	       (begin
		 (debug:print 0 " trying call to tasks:get-server again in 10 seconds")
		 (thread-sleep! 10)
		 (tasks:get-server mdb run-id retries: (- retries 0)))
	       (debug:print 0 "10 tries of tasks:get-server all crashed and burned. Giving up and returning \"no server found\"")))
     (sqlite3:for-each-row
      (lambda (id interface port pubport transport pid hostname)
	(set! res (vector id interface port pubport transport pid hostname)))
      mdb
      ;; removed:
      ;; strftime('%s','now')-heartbeat < 10 AND mt_version = ?
      "SELECT id,interface,port,pubport,transport,pid,hostname FROM servers
          WHERE run_id=? AND state='running'
          ORDER BY start_time DESC LIMIT 1;" run-id) ;; (common:version-signature) run-id)
     res)))

(define (tasks:server-running-or-starting? mdb run-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     mdb ;; NEEDS dbprep ADDED

			work-area
			(db:test-get-rundir-from-test-id dbstruct run-id test-id)))
	 (tdb        (open-test-db test-path)))
    (apply proc tdb params)))

(define (tdb:testdb-initialize db)
  (debug:print 11 "db:testdb-initialize START")
  (sqlite3:with-transaction
   db
   (lambda ()
     (for-each
      (lambda (sqlcmd)
	(sqlite3:execute db sqlcmd))
      (list "CREATE TABLE IF NOT EXISTS test_rundat (
              id INTEGER PRIMARY KEY,
              update_time TIMESTAMP,
              cpuload INTEGER DEFAULT -1,
              diskfree INTEGER DEFAULT -1,
              diskusage INTGER DEFAULT -1,
              run_duration INTEGER DEFAULT 0);"
	    "CREATE TABLE IF NOT EXISTS test_data (
              id INTEGER PRIMARY KEY,
              test_id INTEGER,
              category TEXT DEFAULT '',
              variable TEXT,
	      value REAL,
	      expected REAL,
	      tol REAL,
              units TEXT,
              comment TEXT DEFAULT '',
              status TEXT DEFAULT 'n/a',
              type TEXT DEFAULT '',
              CONSTRAINT test_data_constraint UNIQUE (test_id,category,variable));"
	    "CREATE TABLE IF NOT EXISTS test_steps (
              id INTEGER PRIMARY KEY,
              test_id INTEGER, 
              stepname TEXT, 
              state TEXT DEFAULT 'NOT_STARTED', 
              status TEXT DEFAULT 'n/a',
              event_time TIMESTAMP,
              comment TEXT DEFAULT '',
              logfile TEXT DEFAULT '',
              CONSTRAINT test_steps_constraint UNIQUE (test_id,stepname,state));"
	    ;; test_meta can be used for handing commands to the test
	    ;; e.g. KILLREQ
	    ;;      the ackstate is set to 1 once the command has been completed
	    "CREATE TABLE IF NOT EXISTS test_meta (
              id INTEGER PRIMARY KEY,
              var TEXT,
              val TEXT,
              ackstate INTEGER DEFAULT 0,
              CONSTRAINT metadat_constraint UNIQUE (var));"))))
  (debug:print 11 "db:testdb-initialize END"))

(define (tdb:read-test-data tdb test-id categorypatt)
  (let ((res '()))
    (sqlite3:for-each-row 
     (lambda (id test_id category variable value expected tol units comment status type)
       (set! res (cons (vector id test_id category variable value expected tol units comment status type) res)))