Megatest

(define (db:done-with dbstruct run-id mod-read)
  (mutex-lock! *rundb-mutex*)
  (if (eq? mod-read 'mod)
      (dbr:dbstruct-set-runvec! dbstruct run-id 'mtime (current-milliseconds))
      (dbr:dbstruct-set-runvec! dbstruct run-id 'rtime (current-milliseconds)))
  (dbr:dbstruct-set-runvec! 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)))
      (db:done-with dbstruct run-id r/w)
      res)))

;;======================================================================
;; K E E P   F I L E D B   I N   dbstruct
;;======================================================================

(define (db:get-filedb dbstruct)
  (let ((db (vector-ref dbstruct 2)))

;; 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"))))
   (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)

			(exit 1)))))
	      keys)
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys (id INTEGER PRIMARY KEY, fieldname TEXT, fieldtype TEXT, CONSTRAINT keyconstraint UNIQUE (fieldname));")
    (for-each (lambda (key)
		(sqlite3:execute db "INSERT INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))
	      keys)
    (sqlite3:execute db (conc 
			 "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, \n			 " 
			 fieldstr (if havekeys "," "") "
			 runname    TEXT DEFAULT 'norun',
			 state      TEXT DEFAULT '',
			 status     TEXT DEFAULT '',
			 owner      TEXT DEFAULT '',
			 event_time TIMESTAMP DEFAULT (strftime('%s','now')),
			 comment    TEXT DEFAULT '',
			 fail_count INTEGER DEFAULT 0,
			 pass_count INTEGER DEFAULT 0,
			 CONSTRAINT runsconstraint UNIQUE (runname" (if havekeys "," "") keystr "));"))
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS test_meta (
                                     id          INTEGER PRIMARY KEY,
                                     testname    TEXT DEFAULT '',
                                     author      TEXT DEFAULT '',
                                     owner       TEXT DEFAULT '',
                                     description TEXT DEFAULT '',
                                     reviewed    TIMESTAMP,
                                     iterated    TEXT DEFAULT '',
                                     avg_runtime REAL,
                                     avg_disk    REAL,
                                     tags        TEXT DEFAULT '',
                                     jobgroup    TEXT DEFAULT 'default',
                                CONSTRAINT test_meta_constraint UNIQUE (testname));")
    (sqlite3:execute db (conc "CREATE INDEX runs_index ON runs (runname" (if havekeys "," "") keystr ");"))
    ;; (sqlite3:execute db "CREATE VIEW runs_tests AS SELECT * FROM runs INNER JOIN tests ON runs.id=tests.run_id;")
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS extradat (id INTEGER PRIMARY KEY, run_id INTEGER, key TEXT, val TEXT);")
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS metadat (id INTEGER PRIMARY KEY, var TEXT, val TEXT,
                                  CONSTRAINT metadat_constraint UNIQUE (var));")
    (sqlite3:execute db "CREATE TABLE IF NOT EXISTS access_log (id INTEGER PRIMARY KEY, user TEXT, accessed TIMESTAMP, args TEXT);")
    ;; Must do this *after* running patch db !! No more. 
    ;; cannot use db:set-var since it will deadlock, hardwire the code here
    (sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" megatest-version)
    (debug:print-info 11 "db:initialize END")))

;;======================================================================
;; R U N   S P E C I F I C   D B 
;;======================================================================

(define (db:initialize-run-id-db db run-id)
  (sqlite3:execute db "CREATE TABLE IF NOT EXISTS tests 
                    (id INTEGER PRIMARY KEY,
                     run_id       INTEGER   DEFAULT -1,
                     testname     TEXT      DEFAULT 'noname',
                     host         TEXT      DEFAULT 'n/a',
                     cpuload      REAL      DEFAULT -1,
                     diskfree     INTEGER   DEFAULT -1,

;; why get the keys from the db? why not get from the *configdat*
;; using keys:config-get-fields?

(define (db:get-keys dbstruct)
  (if *db-keys* *db-keys* 
      (let ((res '()))
	(db:with-db dbstruct #f #f
		    (lambda (db)
		      (sqlite3:for-each-row 
		       (lambda (key)
			 (set! res (cons key res)))
		       (db:get-db dbstruct #f)
		       "SELECT fieldname FROM keys ORDER BY id DESC;")))
	(set! *db-keys* res)
	res)))

;; 
(define (db:get-value-by-header row header field)
  (debug:print-info 4 "db:get-value-by-header row: " row " header: " header " field: " field)
  (if (null? header) #f

			(exit 6)))))
	      keyvals)
    (set! qry-str (conc "SELECT " keystr " FROM runs WHERE state != 'deleted' AND runname " runwildtype " ? " key-patt " ORDER BY event_time "
			(if limit  (conc " LIMIT " limit)   "")
			(if offset (conc " OFFSET " offset) "")
			";"))
    (debug:print-info 4 "runs:get-runs-by-patt qry=" qry-str " " runnamepatt)
    (db:with-db dbstruct #f #f ;; reads db, does not write to it.
		(lambda (db)
		  (sqlite3:for-each-row
		   (lambda (a . r)
		     (set! res (cons (list->vector (cons a r)) res)))
		   (db:get-db dbstruct #f)
		   qry-str
		   runnamepatt)))
    (vector header res)))

;; use (get-value-by-header (db:get-header runinfo)(db:get-row runinfo))
(define (db:get-run-info dbstruct run-id)
  ;;(if (hash-table-ref/default *run-info-cache* run-id #f)
  ;;    (hash-table-ref *run-info-cache* run-id)
  (let* ((res       (vector #f #f #f #f))

;;  T E S T S
;;======================================================================

;; states and statuses are lists, turn them into ("PASS","FAIL"...) and use NOT IN
;; i.e. these lists define what to NOT show.
;; states and statuses are required to be lists, empty is ok
;; not-in #t = above behaviour, #f = must match
(define (db:get-tests-for-run dbstruct run-id testpatt states statuses offset limit not-in sort-by sort-order qryvals)
  (let* ((qryvalstr       (case qryvals
			    ((shortlist) "id,run_id,testname,item_path,state,status")
			    ((#f)        "id,run_id,testname,state,status,event_time,host,cpuload,diskfree,uname,rundir,item_path,run_duration,final_logf,comment")
			    (else        qryvals)))
	 (res            '())
	 ;; if states or statuses are null then assume match all when not-in is false
	 (states-qry      (if (null? states) 

   #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)
  (let* ((dbhash (vector-ref vec 1))
	 (runvec (hash-table-ref/default dbhash run-id #f)))
    (if runvec
	runvec
	(begin
	  (hash-table-set! dbhash run-id (vector #f #f -1 -1 -1 #f))
	  (dbr:dbstruct-get-rundb-rec vec run-id)))))

;;  [ rundb inmemdb last-mod last-read last-sync ]

  (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)
    (vector-ref runvec fieldnum)))

(define (dbr:dbstruct-set-runvec! vec run-id field-name val)
  (let ((runvec (dbr:dbstruct-get-rundb-rec vec run-id)))
    (vector-set! runvec (dbr:dbstruct-field-name->num field-name) runvec)))

;; get/set inmemdb
(define (dbr:dbstruct-get-inmemdb vec run-id)
  (let ((runvec (dbr:dbstruct-get-rundb-rec vec run-id)))
    (vector-ref runvec 1)))

(define (dbr:dbstruct-set-inmemdb! vec run-id inmemdb)

    ;;
    ;;  Setup client for all expect listed here
    (if (null? (lset-intersection 
		     equal?
		     (hash-table-keys args:arg-hash)
		     '("-list-servers"
		       "-stop-server"
		       "-show-cmdinfo"
		       "-list-runs")))
	(if (setup-for-run)
	    (begin

	      ;; if not list or kill then start a client (if appropriate)
	      (if (or (args-defined? "-h" "-version" "-gen-megatest-area" "-gen-megatest-test")
		      (eq? (length (hash-table-keys args:arg-hash)) 0))
		  (debug:print-info 1 "Server connection not needed")

	(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") 
			     "%"))
	       (keys     (db:get-keys dbstruct))
	       ;; (runsdat  (db:get-runs dbstruct runpatt #f #f '()))
	       (runsdat  (db:get-runs-by-patt dbstruct keys runpatt (or (args:get-arg "-target")
									(args:get-arg "-reqtarg")) #f #f))
		;; (cdb:remote-run db:get-runs #f runpatt #f #f '()))
	       (runs     (db:get-rows runsdat))
	       (header   (db:get-header runsdat))

	       (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))