Megatest

		       (string<? (conc time-a)(conc time-b)))))))))

;;======================================================================
;;
;;======================================================================
(define (examine-test test-id) ;; run-id run-key origtest)
  (let* ((db-path       (conc *toppath* "db/main.db"))
	 (db            (make-dbr:dbstruct path: *toppath* local: #t))
	 (tdb           (tdb:open-test-db-by-test-id-local test-id))
	 (testdat       (db:get-test-info-by-id db test-id))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t))
    (if (not testdat)
	(begin

      (exit)))

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

(define *db*  (make-dbr:dbstruct path: *toppath* local: #t))

;; (define sdb:qry (make-sdb:qry)) ;;  'init #f)

;; (if (args:get-arg "-host")
;;     (begin
;;       (set! *runremote* (string-split (args:get-arg "-host" ":")))
;;       (client:launch))

;; This routine creates the db. It is only called if the db is not already opened
;; 
(define (db:open-rundb dbstruct run-id) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let ((rdb (dbr:dbstruct-get-runrec dbstruct run-id 'inmem)))
    (if rdb
	rdb
	(let* ((local        (dbr:dbstruct-get-local dbstruct))
	       (toppath      (dbr:dbstruct-get-path dbstruct))
	       (dbpath       (conc toppath "/db/" run-id ".db"))
	       (dbexists     (file-exists? dbpath))
	       (inmem        (if local #f (open-inmem-db)))
	       (db           (sqlite3:open-database dbpath))
	       (write-access (file-write-access? dbpath))
	       (handler      (make-busy-timeout 136000)))
	  (if (and dbexists (not write-access))
	      (set! *db-write-access* #f)) ;; only unset so other db's also can use this control
	  (if write-access
	      (begin
		(sqlite3:set-busy-handler! db handler)
		(sqlite3:execute db "PRAGMA synchronous = 0;")))
	  (if (not dbexists)(db:initialize-run-id-db db run-id))
	  (dbr:dbstruct-set-runvec! dbstruct run-id 'rundb db)
	  (dbr:dbstruct-set-runvec! dbstruct run-id 'inuse #t)
	  (if local
	      db
	      (begin
		(dbr:dbstruct-set-runvec! dbstruct run-id 'inmem inmem)
		(db:sync-tables db:sync-tests-only db inmem)
		inmem))))))

;; This routine creates the db. It is only called if the db is not already opened
;;
(define (db:open-main dbstruct) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let ((mdb (dbr:dbstruct-get-main dbstruct)))
    (if mdb
	mdb

       (if (> mtime stime)
	   (begin
	     (db:sync-tables db:sync-tests-only inmem rundb)
	     (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))))
       (sqlite3:finalize! rundb)))
   (hash-table-values (vector-ref dbstruct 1))))


(define (open-inmem-db)
  (let* ((db      (sqlite3:open-database ":memory:"))
	 (handler   (make-busy-timeout 3600)))
    (db:initialize db)
    (sqlite3:set-busy-handler! db handler)
    (set! sdb:qry (make-sdb:qry)) ;; we open the normalization helpers here

  (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)
		  ((not idb)                   (debug:print 0 "ERROR: cannot open-run-close with #f anymore"))
		  ((procedure? idb)            (idb))
		  (else   	               (debug:print 0 "ERROR: cannot open-run-close with #f anymore"))))
	     (res #f))
	(set! res (apply proc db params))
	(if (not idb)(sqlite3:finalize! dbstruct))
	(debug:print-info 11 "open-run-close-no-exception-handling END" )
	res)
      #f))

(define (open-run-close-exception-handling proc idb . params)
  (handle-exceptions
   exn
   (begin
     (debug:print 0 "EXCEPTION: database probably overloaded or unreadable.")
     (debug:print 0 "  " ((condition-property-accessor 'exn 'message) exn))
     (print-call-chain)
     (thread-sleep! (random 120))
     (debug:print-info 0 "trying db call one more time....")
     (apply open-run-close-no-exception-handling proc idb params))
   (apply open-run-close-no-exception-handling proc idb params)))

;; (define open-run-close 
(define open-run-close ;; (if (debug:debug-mode 2)
			   open-run-close-no-exception-handling)
			 ;;  open-run-close-exception-handling))

(define (db:initialize-megatest-db db)
  (let* ((configdat (car *configinfo*))  ;; tut tut, global warning...
	 (keys     (keys:config-get-fields configdat))
	 (havekeys (> (length keys) 0))
	 (keystr   (keys->keystr keys))
	 (fieldstr (keys->key/field keys)))

    res))

;; replace header and keystr with a call to runs:get-std-run-fields
;;
;; keypatts: ( (KEY1 "abc%def")(KEY2 "%") )
;; runpatts: patt1,patt2 ...
;;
(define (db:get-runs dbstruct runpatt count offset keypatts)
  (let* ((db         (db:get-db dbstruct #f))
	 (res       '())
	 (keys       (db:get-keys dbstruct))
	 (runpattstr (db:patt->like "runname" runpatt))
	 (remfields  (list "id" "runname" "state" "status" "owner" "event_time"))
	 (header     (append keys remfields))
	 (keystr     (conc (keys->keystr keys) ","
		           (string-intersperse remfields ",")))
	 (qrystr     (conc "SELECT " keystr " FROM runs WHERE (" runpattstr ") " ;; runname LIKE ? "
		           ;; Generate: " AND x LIKE 'keypatt' ..."

;;======================================================================
;; dbstruct
;;======================================================================

;;
;; -path-|-megatest.db
;;       |-db-|-main.db
;;            |-monitor.db
;;            |-sdb.db
;;            |-fdb.db
;;            |-1.db
;;            |-<N>.db
(define (make-dbr:dbstruct #!key (path #f)(local #f))
  (vector
   #f                  ;; the main db (contains runs, test_meta etc.) NOT CACHED IN MEM
   (make-hash-table)   ;; run-id => [ rundb inmemdb last-mod last-read last-sync ]
   #f                  ;; the global string db (use for state, status etc.)
   path                ;; path to database files/megatest area
   local))             ;; read-only local access

;; get and set main db
(define-inline (dbr:dbstruct-get-main vec)    (vector-ref vec 0))
(define-inline (dbr:dbstruct-set-main! vec db)(vector-set! vec 0 db))

;; get a rundb vector
(define (dbr:dbstruct-get-rundb-rec vec run-id)

    (vector-set! runvec 1 inmemdb)))

;; the string db
(define-inline (dbr:dbstruct-get-strdb vec)    (vector-ref vec 2))
(define-inline (dbr:dbstruct-set-strdb! vec db)(vector-set! vec 2 db))

;; path
(define-inline (dbr:dbstruct-get-path  vec)     (vector-ref vec 3))
(define-inline (dbr:dbstruct-set-path! vec path)(vector-set! vec 3))

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


(define (make-db:test)(make-vector 20))
(define-inline (db:test-get-id           vec) (vector-ref vec 0))
(define-inline (db:test-get-run_id       vec) (vector-ref vec 1))
(define-inline (db:test-get-testname     vec) (vector-ref vec 2))
(define-inline (db:test-get-state        vec) (vector-ref vec 3))

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

;; NOTE: list-runs and list-db-targets operate on local db!!!
;;
(if (or (args:get-arg "-list-runs")
	(args:get-arg "-list-db-targets"))
    (if (setup-for-run)
	(let* ((dbstruct (make-dbr:dbstruct path: *toppath* local: #t))
	       (runpatt  (args:get-arg "-list-runs"))
	       (testpatt (if (args:get-arg "-testpatt") 
			     (args:get-arg "-testpatt") 
			     "%"))
	       (runsdat  (db:get-runs dbstruct runpatt #f #f '()))
	       (runs     (db:get-rows runsdat))
	       (header   (db:get-header runsdat))
	       (keys     (db:get-keys dbstruct))
	       (db-targets (args:get-arg "-list-db-targets"))
	       (seen     (make-hash-table)))
	  ;; Each run
	  (for-each 
	   (lambda (run)
	     (let ((targetstr (string-intersperse (map (lambda (x)
							 (db:get-value-by-header run header x))
						       keys) "/")))
	       (if db-targets
		   (if (not (hash-table-ref/default seen targetstr #f))
		       (begin
			 (hash-table-set! seen targetstr #t)
			 ;; (print "[" targetstr "]"))))
			 (print targetstr))))
	       (if (not db-targets)
		   (let* ((run-id (db:get-value-by-header run header "id"))
			  (tests  (db:get-tests-for-run dbstruct run-id testpatt '() '() #f #f #f 'testname 'asc #f)))
		     (print "Run: " targetstr "/" (db:get-value-by-header run header "runname") 
			    " status: " (db:get-value-by-header run header "state")
			    " run-id: " run-id ", number tests: " (length tests))
		     (for-each 
		      (lambda (test)
			(format #t
				"  Test: ~25a State: ~15a Status: ~15a Runtime: ~5@as Time: ~22a Host: ~10a\n"

			      (print   "         cpuload:  " (db:test-get-cpuload test)
				     "\n         diskfree: " (db:test-get-diskfree test)
				     "\n         uname:    " (sdb:qry 'getstr (db:test-get-uname test))
				     "\n         rundir:   " (filedb:get-path *fdb* (db:test-get-rundir test))
				     )
			      ;; Each test
			      ;; DO NOT remote run
			      (let ((steps (db:get-steps-for-test dbstruct run-id (db:test-get-id test))))
				(for-each 
				 (lambda (step)
				   (format #t 
					   "    Step: ~20a State: ~10a Status: ~10a Time ~22a\n"
					   (tdb:step-get-stepname step)
					   (tdb:step-get-state step)
					   (tdb:step-get-status step)
					   (tdb:step-get-event_time step)))
				 steps)))))
		      tests)))))
	     runs)
	  (db:close-all dbstruct)
	  (set! *didsomething* #t))))

;;======================================================================
;; full run
;;======================================================================

;; get lock in db for full run for this directory
;; for all tests with deps

	  ;; (if (sqlite3:database? db)(sqlite3:finalize! db))
	  )
	;; else do a general-run-call
	(general-run-call 
	 "-test-paths"
	 "Get paths to tests"
	 (lambda (target runname keys keyvals)
	   (let* ((dbstruct (make-dbr:dbstruct path: *toppath* local: #t))
		  ;; DO NOT run remote
		  (paths    (db:test-get-paths-matching dbstruct keys target)))
	     (for-each (lambda (path)
			 (print path))
		       paths)
	     (db:close-all dbstruct))))))

;;======================================================================
;; Extract a spreadsheet from the runs database
;;======================================================================

(if (args:get-arg "-extract-ods")
    (general-run-call
     "-extract-ods"
     "Make ods spreadsheet"
     (lambda (target runname keys keyvals)
       (let ((dbstruct   (make-dbr:dbstruct path: *toppath* local: #t))
	     (outputfile (args:get-arg "-extract-ods"))
	     (runspatt   (args:get-arg ":runname"))
	     (pathmod    (args:get-arg "-pathmod")))
	     ;; (keyvalalist (keys->alist keys "%")))
	 (debug:print 2 "Extract ods, outputfile: " outputfile " runspatt: " runspatt " keyvals: " keyvals)
	 (db:extract-ods-file dbstruct outputfile keyvals (if runspatt runspatt "%") pathmod)
	 (db:close-all dbstruct)
	 (set! *didsomething* #t)))))

;;======================================================================
;; execute the test
;;    - gets called on remote host
;;    - receives info from the -execute param
;;    - passes info to steps via MT_CMDINFO env var (future is to use a dot file)

;;======================================================================
;; Start a repl
;;======================================================================

(if (or (args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (setup-for-run))
	   (dbstruct (if toppath (make-dbr:dbstruct path: toppath local: #t) #f)))
      (if dbstruct
	  (begin
	    (set! *db* dbstruct)
	    (set! *client-non-blocking-mode* #t)
	    (import readline)
	    (import apropos)
	    ;; (import (prefix sqlite3 sqlite3:)) ;; doesn't work ...
	    (gnu-history-install-file-manager
	     (string-append
	      (or (get-environment-variable "HOME") ".") "/.megatest_history"))
	    (current-input-port (make-gnu-readline-port "megatest> "))
	    (if (args:get-arg "-repl")
		(repl)
		(load (args:get-arg "-load")))
	    (db:close-all dbstruct))
	  (exit))
      (set! *didsomething* #t)))

;; Not converted to use dbstruct yet
;;
(if (args:get-arg "-convert-to-norm")
    (let* ((toppath (setup-for-run))
	   (dbstruct (if toppath (make-dbr:dbstruct path: toppath local: #t))))
      (for-each 
       (lambda (field)
	 (let ((dat '()))
	   (debug:print-info 0 "Getting data for field " field)
	   (sqlite3:for-each-row
	    (lambda (id val)
	      (set! dat (cons (list id val) dat)))
	    (get-db db run-id)
	    (conc "SELECT id," field " FROM tests;"))
	   (debug:print-info 0 "found " (length dat) " items for field " field)
	   (let ((qry (sqlite3:prepare db (conc "UPDATE tests SET " field "=? WHERE id=?;"))))
	     (for-each
	      (lambda (item)
		(let ((newval (sdb:qry 'getid (cadr item))))
		  (if (not (equal? newval (cadr item)))
		      (debug:print-info 0 "Converting " (cadr item) " to " newval " for test #" (car item)))
		  (sqlite3:execute qry newval (car item))))
	      dat)
	     (sqlite3:finalize! qry))))
       (db:close-all dbstruct)
       (list "uname" "rundir" "final_logf" "comment"))
      (set! *didsomething* #t)))

;;======================================================================
;; Exit and clean up
;;======================================================================