Megatest

    ((login)                        (apply db:login dbstruct params))
    ((general-call)                 (let ((stmtname   (car params))
					  (run-id     (cadr params))
					  (realparams (cddr params)))
				      (db:with-db dbstruct run-id #t ;; these are all for modifying the db
						  (lambda (db)
						    (db:general-call db stmtname realparams)))))
    ((sync-inmem->db)               (db:sync-touched dbstruct))
    ((kill-server)
     (db:sync-tables (db:tbls *inmemdb*) *inmemdb* *db*)  ;; (db:sync-to *inmemdb* *db*)
     (let ((hostname (car  *runremote*))
	   (port     (cadr *runremote*))
	   (pid      (if (null? params) #f (car params)))
	   (th1      (make-thread (lambda ()(thread-sleep! 3)(debug:print 0 "Server exiting!")(exit 0)) "Server exit thread")))
       (debug:print 0 "WARNING: Server on " hostname ":" port " going down by user request!")

	  db))))

;; mod-read:
;;     'mod   modified data
;;     'read  read data
;;
(define (db:done-with dbstruct run-id mod-read)


  (mutex-lock! *rundb-mutex*)
  (if (eq? mod-read 'mod)
      (dbr:dbstruct-set-runvec-val! dbstruct run-id 'mtime (current-milliseconds))
      (dbr:dbstruct-set-runvec-val! dbstruct run-id 'rtime (current-milliseconds)))
  (dbr:dbstruct-set-runvec-val! dbstruct run-id 'inuse #f)
  (mutex-unlock! *rundb-mutex*))

;; (db:with-db dbstruct run-id sqlite3:exec "select blah from blaz;")
;; r/w is a flag to indicate if the db is modified by this query #t = yes, #f = no
;;
(define (db:with-db dbstruct run-id r/w proc . params)
  (let* ((db (db:get-db dbstruct run-id)))
    (let ((res (apply proc db params)))

    (if (not dbexists)
	(begin
	  (db:initialize-main-db db)
	  (db:initialize-run-id-db db)))
    db))

;; sync all touched runs to disk
(define (db:sync-touched dbstruct)
  (let ((tot-synced 0))
    (for-each
     (lambda (runvec)
       (let ((mtime (vector-ref runvec (dbr:dbstruct-field-name->num 'mtime)))
	     (stime (vector-ref runvec (dbr:dbstruct-field-name->num 'stime)))
	     (rundb (vector-ref runvec (dbr:dbstruct-field-name->num 'rundb)))
	     (inmem (vector-ref runvec (dbr:dbstruct-field-name->num 'inmem))))
	 (if (> mtime stime)
	     (let ((num-sunced (db:sync-tables db:sync-tests-only inmem rundb)))
	       (set! tot-synced (+ tot-synced num-synced))
	       (vector-set! runvec (dbr:dbstruct-field-name->run 'stime (current-milliseconds)))))))
     (hash-table-values (vector-ref dbstruct 1)))))


;; close all opened run-id dbs
(define (db:close-all dbstruct)
  ;; finalize main.db

  (sqlite3:finalize! (db:get-db dbstruct #f))
  (for-each
   (lambda (runvec)
     (let ((rundb (vector-ref runvec (dbr:dbstruct-field-name->num 'rundb))))
       (if (sqlite3:database? rundb)
	   (sqlite3:finalize! rundb)
	   (debug:print 0 "WARNING: attempting to close databases but got " rundb " instead of a database"))))

	 '("id"             #f)
	 '("run_id"         #f)
	 '("testname"       #f)
	 '("host"           #f)
	 '("cpuload"        #f)
	 '("diskfree"       #f)
	 '("uname"          #f)
	 '("rundir"      #f)
	 '("shortdir"    #f)
	 '("item_path"      #f)
	 '("state"          #f)
	 '("status"         #f)
	 '("attemptnum"     #f)
	 '("final_logf"  #f)
	 '("logdat"         #f)
	 '("run_duration"   #f)
	 '("comment"        #f)
	 '("event_time"     #f)
	 '("fail_count"     #f)
	 '("pass_count"     #f)
	 '("archived"       #f))
   (list "test_steps"
	 '("id"             #f)
	 '("test_id"        #f)
	 '("stepname"       #f)
	 '("state"          #f)
	 '("status"         #f)
	 '("event_time"     #f)
	 '("comment"        #f)

	 '("units"          #f)
	 '("comment"        #f)
	 '("status"         #f)
	 '("type"           #f))))

;; needs db to get keys, this is for syncing all tables
;;
(define (db:tbls db)
  (let ((keys  (db:get-keys db)))
    (list
     (list "keys"
	   '("id"        #f)
	   '("fieldname" #f)
	   '("fieldtype" #f))
     (list "metadat" '("var" #f) '("val" #f))
     (append (list "runs" 
		   '("id"  #f))
	     (map (lambda (k)(list k #f))
		  (append keys
			  (list "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count"))))
     (list "tests" 
	   '("id"             #f)
	   '("run_id"         #f)
	   '("testname"       #f)
	   '("host"           #f)
	   '("cpuload"        #f)
	   '("diskfree"       #f)
	   '("uname"          #f)
	   '("rundir"         #f)
	   '("shortdir"       #f)
	   '("item_path"      #f)
	   '("state"          #f)
	   '("status"         #f)
	   '("attemptnum"     #f)
	   '("final_logf"     #f)
	   '("logdat"         #f)
	   '("run_duration"   #f)
	   '("comment"        #f)
	   '("event_time"     #f)
	   '("fail_count"     #f)
	   '("pass_count"     #f)
	   '("archived"       #f))
     (list "test_steps"
	   '("id"             #f)
	   '("test_id"        #f)
	   '("stepname"       #f)
	   '("state"          #f)
	   '("status"         #f)
	   '("event_time"     #f)
	   '("comment"        #f)
	   '("logfile"        #f))
     (list "test_meta"
	   '("id"             #f)
	   '("testname"       #f)
	   '("owner"          #f)
	   '("description"    #f)
	   '("reviewed"       #f)
	   '("iterated"       #f)

	       (count   (cdr dat)))
	   (set! tot-count (+ tot-count count))
	   (if (> count 0)
	       (debug:print 0 (format #f "    ~10a ~5a" tblname count)))))
       (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
    tot-count))

(define (db:sync-back)
  (db:sync-tables (db:tbls *inmemdb*) *inmemdb* *db*)) ;; (db:sync-to *inmemdb* *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)
  (if (or *db-write-access*
	  (not (member proc *db:all-write-procs*)))
      (let* ((db (cond
		  ((sqlite3:database? idb)     idb)

		       res)))
     (db:get-db dbstruct run-id)
     (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE run_id=?;")
     run-id)
    res))

(define (db:replace-test-records dbstruct run-id testrecs)


  (let* ((qmarks (string-intersperse (make-list (length db:test-record-fields) "?") ","))
	 (qrystr (conc "INSERT OR REPLACE INTO tests (" db:test-record-qry-selector ") VALUES (" qmarks ");"))
	 (qry    (sqlite3:prepare (db:get-db dbstruct run-id) qrystr)))
    (debug:print 8 "INFO: replace-test-records, qrystr=" qrystr)
    (for-each 
     (lambda (rec)
       ;; (debug:print 0 "INFO: Inserting values: " (string-intersperse (map conc (vector->list rec)) ", "))
       (apply sqlite3:execute qry (vector->list rec)))
     testrecs)
    (sqlite3:finalize! qry)))
	

;; Get test data using test_id
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (let ((db (db:get-db dbstruct run-id))
	(res #f))
    (sqlite3:for-each-row

(define-inline (dbr:dbstruct-set-local! vec val)(vector-set! vec 4 val))

;; get a rundb vector, create it if not already existing
(define (dbr:dbstruct-get-rundb-rec vec run-id)
  (let* ((dbhash (dbr:dbstruct-get-dbhash vec))              ;; get the runs hash
	 (runvec (hash-table-ref/default dbhash run-id #f))) ;; get the vector for run-id
    (if (vector? runvec)
	runvec
	(let ((nvec  (vector #f #f -1 -1 -1 #f)))
	  (hash-table-set! dbhash run-id nvec)
	  nvec))))

;;  [ rundb inmemdb last-mod last-read last-sync ]
(define-inline (dbr:dbstruct-field-name->num field-name)
  (case field-name
    ((rundb) 0) ;; the on-disk db
    ((inmem) 1) ;; the in-memory db
    ((mtime) 2) ;; last modification time
    ((rtime) 3) ;; last read time
    ((stime) 4) ;; last sync time
    ((inuse) 5) ;; is the db currently in use
    (else -1)))

;; get/set rundb fields
(define (dbr:dbstruct-get-runvec-val vec run-id field-name)
  (let ((runvec   (dbr:dbstruct-get-rundb-rec vec run-id))
	(fieldnum (dbr:dbstruct-field-name->num field-name)))
    ;; (vector-set! runvec (dbr:dbstruct-field-name->num 'inuse) #t)

      (set! *didsomething* #t)))

(if (args:get-arg "-import-megatest.db")
    (let* ((toppath  (setup-for-run))
	   (dbstruct (if toppath (make-dbr:dbstruct path: toppath) #f))
	   (mtdb     (if toppath (db:open-megatest-db)))
	   (run-ids  (if toppath (db:get-run-ids mtdb))))


      (for-each 
       (lambda (run-id)
	 (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
	   (debug:print 0 "INFO: Updating " (length testrecs) " records for run-id=" run-id)
	   (db:replace-test-records dbstruct run-id testrecs)))
       run-ids)
      (set! *didsomething* #t)