Megatest

;;     'read  read data
;;
(define (db:done-with dbstruct run-id mod-read)
  (if (not (sqlite3:database? dbstruct))
      (begin
	(mutex-lock! *rundb-mutex*)
	(if (eq? mod-read 'mod)
	    (dbr:dbstruct-set-mtime! dbstruct (current-milliseconds))
	    (dbr:dbstruct-set-rtime! dbstruct (current-milliseconds)))
	(dbr:dbstruct-set-inuse! dbstruct #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)))

;; (define (db:get-path dbstruct id)
;;   (let ((fdb (db:get-filedb dbstruct)))
;;     (filedb:get-path db id)))

;; 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* ((local  (dbr:dbstruct-get-local dbstruct))
	 (rdb    (if local
		     (dbr:dbstruct-get-localdb dbstruct run-id)
		     (dbr:dbstruct-get-inmem dbstruct)))) ;; (dbr:dbstruct-get-runrec dbstruct run-id 'inmem)))
    (if rdb
	rdb

	(let* ((toppath      (dbr:dbstruct-get-path  dbstruct))
	       (dbpath       (conc toppath "/db/" run-id ".db"))
	       (dbexists     (file-exists? dbpath))
	       (inmem        (if local #f (db:open-inmem-db)))
	       (refdb        (if local #f (db: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
		(if (not dbexists)
		    (begin
		      (db:initialize-run-id-db db)
		      ;; (sdb:initialize db) 
		      )) ;; add strings db to rundb, not in use yet
		(sqlite3:set-busy-handler! db handler)
		(sqlite3:execute db "PRAGMA synchronous = 1;"))) ;; was 0 but 0 is a gamble
	  (dbr:dbstruct-set-rundb! dbstruct db)
	  (dbr:dbstruct-set-inuse! dbstruct #t)
	  (if local
	      (begin
		(dbr:dbstruct-set-localdb! dbstruct run-id db) ;; (dbr:dbstruct-set-inmem! dbstruct db) ;; direct access ...
		db)
	      (begin
		(dbr:dbstruct-set-inmem! dbstruct inmem)
		(db:sync-tables db:sync-tests-only db inmem)
		(dbr:dbstruct-set-refdb! dbstruct refdb)
		(db:sync-tables db:sync-tests-only db refdb)
		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

	  (if (not dbexists)
	      (db:initialize-main-db db))
	  (dbr:dbstruct-set-main! dbstruct db)
	  db))))

;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
(define (db:setup run-id #!key (local #f))
  (let ((dbstruct (make-dbr:dbstruct path: *toppath* local: local)))
    (db:get-db dbstruct #f) ;; force one call to main










    dbstruct))

;; Open the classic megatest.db file in toppath
;;
(define (db:open-megatest-db)
  (let* ((dbpath       (conc *toppath* "/megatest.db"))
	 (dbexists     (file-exists? dbpath))

    (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 #!key (force-sync #f))
  (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)))
	     (refdb (vector-ref runvec (dbr:dbstruct-field-name->num 'refdb))))
	 (if (or (> mtime stime) force-sync)
	     (let ((num-synced (db:sync-tables db:sync-tests-only inmem refdb rundb)))
	       (set! tot-synced (+ tot-synced num-synced))
	       (vector-set! runvec (dbr:dbstruct-field-name->num 'stime) (current-milliseconds))))))
     (hash-table-values (vector-ref dbstruct 1)))
    tot-synced))

;; sync run to disk if touched
;;
(define (db:sync-touched dbstruct #!key (force-sync #f))
  (let ((mtime (dbr:dbstruct-get-mtime dbstruct))
	(stime (dbr:dbstruct-get-stime dbstruct))
	(rundb (dbr:dbstruct-get-rundb dbstruct))
	(inmem (dbr:dbstruct-get-inmem dbstruct))
	(refdb (dbr:dbstruct-get-refdb dbstruct)))
    (if (or (not (number? mtime))
	    (not (number? stime))
	    (> mtime stime)
	    force-sync)
	(let ((num-synced (db:sync-tables db:sync-tests-only inmem refdb rundb)))
	  (dbr:dbstruct-set-stime! dbstruct (current-milliseconds))
	  num-synced)
	0)))

;; close all opened run-id dbs
(define (db:close-all dbstruct)
  ;; finalize main.db
  (db:sync-touched dbstruct force-sync: #t)
  (sqlite3:finalize! (db:get-db dbstruct #f))
  (let* ((local (dbr:dbstruct-get-local dbstruct))
	 (rundb (dbr:dbstruct-get-rundb dbstruct)))
    (if local
	(for-each
	 (lambda (db)
	   (if (sqlite3:database? db)
	       (sqlite3:finalize! db)))
	 (hash-table-values (dbr:dbstruct-get-locdbs dbstruct)))
	(if (sqlite3:database? rundb)
	    (sqlite3:finalize! rundb)
	    (debug:print 0 "WARNING: attempting to close databases but got " rundb " instead of a database")))))





(define (db:open-inmem-db)
  (let* ((db      (sqlite3:open-database ":memory:"))
	 (handler   (make-busy-timeout 3600)))
    (db:initialize-run-id-db db)
    ;; (sdb:initialize db) ;; for future use
    (sqlite3:set-busy-handler! db handler)

	   '("iterated"       #f)
	   '("avg_runtime"    #f)
	   '("avg_disk"       #f)
	   '("tags"           #f)
	   '("jobgroup"       #f)))))
    
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
(define (db:sync-tables tbls fromdb todb . slave-dbs)
  (cond
   ((not fromdb) (debug:print 0 "ERROR: db:sync-tables called with fromdb missing") -1)
   ((not todb)   (debug:print 0 "ERROR: db:sync-tables called with todb missing") -2)
   ((not (sqlite3:database? fromdb))
    (debug:print 0 "ERROR: db:sync-tables called with fromdb not a database " fromdb) -3)
   ((not (sqlite3:database? todb))
    (debug:print 0 "ERROR: db:sync-tables called with todb not a database " todb) -4)

	   (sqlite3:for-each-row
	    (lambda (a . b)
	      (hash-table-set! todat a (apply vector a b)))
	    todb
	    full-sel)

	   ;; first pass implementation, just insert all changed rows
	   (for-each 
	    (lambda (targdb)
	      (let ((stmth (sqlite3:prepare targdb full-ins)))
		(sqlite3:with-transaction
		 targdb
		 (lambda ()
		   (for-each ;; 
		    (lambda (fromrow)
		      (let* ((a    (vector-ref fromrow 0))
			     (curr (hash-table-ref/default todat a #f))
			     (same #t))
			(let loop ((i 0))
			  (if (or (not curr)
				  (not (equal? (vector-ref fromrow i)(vector-ref curr i))))
			      (set! same #f))
			  (if (and same
				   (< i (- num-fields 1)))
			      (loop (+ i 1))))
			(if (not same)
			    (begin
			      (apply sqlite3:execute stmth (vector->list fromrow))
			      (hash-table-set! numrecs tablename (+ 1 (hash-table-ref/default numrecs tablename 0)))))))
		    fromdat)))
		(sqlite3:finalize! stmth)))
	    (append (list todb) slave-dbs))))
       tbls)
      (let ((runtime (- (current-milliseconds) start-time)))
	(debug:print 0 "INFO: db sync, total run time " runtime " ms")
	(for-each 
	 (lambda (dat)
	   (let ((tblname (car dat))
		 (count   (cdr dat)))

		       (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)))

;; look up values in a header/data structure
(define (db:get-value-by-header row header field)

  (if (null? header) #f
      (let loop ((hed (car header))
		 (tal (cdr header))
		 (n   0))
	(if (equal? hed field)
	    (vector-ref row n)
	    (if (null? tal) #f (loop (car tal)(cdr tal)(+ n 1)))))))

;; Accessors for the header/data structure
;; get rows and header from 
(define (db:get-header vec)(vector-ref vec 0))
(define (db:get-rows   vec)(vector-ref vec 1))

;;======================================================================
;;  R U N S
;;======================================================================

(define (db:get-run-name-from-id dbstruct run-id)
  (let ((res #f))
    (sqlite3:for-each-row

				 (conc fieldname " " wildtype " '" patt "'")))
			     (if (null? patts)
				 '("")
				 patts))
			comparator)))


;; register a test run with the db, this accesses the main.db and does NOT
;; use server api
;;
(define (db:register-run dbstruct keyvals runname state status user)

  (let* ((db        (db:get-db dbstruct #f))
	 (keys      (map car keyvals))
	 (keystr    (keys->keystr keys))	 
	 (comma     (if (> (length keys) 0) "," ""))
	 (andstr    (if (> (length keys) 0) " AND " ""))
	 (valslots  (keys->valslots keys)) ;; ?,?,? ...
	 (allvals   (append (list runname state status user) (map cadr keyvals)))

    (sqlite3:for-each-row 
     (lambda (count)
       (set! numruns count))
     (db:get-db dbstruct #f)
     "SELECT COUNT(id) FROM runs WHERE runname LIKE ? AND state != 'deleted';" runpatt)
    (debug:print-info 11 "db:get-num-runs END " runpatt)
    numruns))

(define (db:get-all-run-ids dbstruct)
  (let ((run-ids '()))
    (sqlite3:for-each-row
     (lambda (run-id)
       (set! run-ids (cons run-id run-ids)))
     (db:get-db dbstruct #f)
     "SELECT id FROM runs WHERE state != 'deleted';")
    run-ids))

;; get some basic run stats
;;
;; ( (runname (( state  count ) ... ))
;;   (   ...  
(define (db:get-run-stats dbstruct)
  (let ((totals       (make-hash-table))

     runs-info)
    res))

;; db:get-runs-by-patt
;; get runs by list of criteria
;; register a test run with the db
;;
;; Use: (db:get-value-by-header (db:get-header runinfo)(db:get-rows runinfo))
;;  to extract info from the structure returned
;;
(define (db:get-runs-by-patt dbstruct keys runnamepatt targpatt offset limit) ;; test-name)
  (let* ((tmp      (runs:get-std-run-fields keys '("id" "runname" "state" "status" "owner" "event_time")))
	 (keystr   (car tmp))
	 (header   (cadr tmp))
	 (res     '())

		   (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-rows 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))
	 (keys      (db:get-keys dbstruct))
	 (remfields (list "id" "runname" "state" "status" "owner" "event_time"))
	 (header    (append keys remfields))

     ((and newstate newstatus)
      (sqlite3:execute db "UPDATE tests SET state=?,status=? WHERE id=?;" newstate newstatus test-id))
     (else
      (if newstate   (sqlite3:execute db "UPDATE tests SET state=?   WHERE id=?;" newstate   test-id))
      (if newstatus  (sqlite3:execute db "UPDATE tests SET status=?  WHERE id=?;" newstatus  test-id))
    (if newcomment (sqlite3:execute db "UPDATE tests SET comment=? WHERE id=?;" newcomment ;; (sdb:qry 'getid newcomment)
				    test-id))))
    (mt:process-triggers run-id test-id newstate newstatus)))

;; Never used, but should be?
(define (db:test-set-state-status-by-run-id-testname db run-id test-name item-path status state)
  (sqlite3:execute db "UPDATE tests SET state=?,status=?,event_time=strftime('%s','now') WHERE run_id=? AND testname=? AND item_path=?;" 
 		   state status run-id test-name item-path))

;; NEW BEHAVIOR: Count tests running in only one run!
;;
(define (db:get-count-tests-running dbstruct run-id)
  (let ((res 0))
    (sqlite3:for-each-row
     (lambda (count)
       (set! res count))
     (db:get-db dbstruct run-id)
     "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;" 
     run-id) ;; NOT IN (SELECT id FROM runs WHERE state='deleted');")
    res))

;; NEW BEHAVIOR: Look only at single run with run-id
;; 
;; (define (db:get-running-stats dbstruct run-id)
(define (db:get-count-tests-running-for-run-id dbstruct run-id)
  (let ((res 0))
    (sqlite3:for-each-row
     (lambda (count)
       (set! res count))
     (db:get-db dbstruct run-id)
     "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND run_id=?;" run-id)
    res))

(define (db:get-count-tests-running-in-jobgroup dbstruct run-id jobgroup)
  (if (not jobgroup)
      0 ;; 
      (let ((res        0)
	    (testnames '()))
	;; get the testnames
	(sqlite3:for-each-row
	 (lambda (testname)
	   (set! testnames (cons testname testnames)))
	 (db:get-db dbstruct #f)
	 "SELECT testname FROM test_meta WHERE jobgroup=?"
	 jobgroup)
	;; get the jobcount NB// EXTEND THIS TO OPPERATE OVER ALL RUNS?
	(if (not (null? testnames))
	    (sqlite3:for-each-row
	     (lambda (count)
	       (set! res count))
	     (db:get-db dbstruct run-id)
	     (conc "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND testname in ('"
		   (string-intersperse testnames "','")
		   "');")))
	res)))

;; done with run when:
;;   0 tests in LAUNCHED, NOT_STARTED, REMOTEHOSTSTART, RUNNING
(define (db:estimated-tests-remaining dbstruct run-id)
  (let ((res 0))
    (sqlite3:for-each-row

;; Tests meta data
;;======================================================================

;; read the record given a testname
(define (db:testmeta-get-record dbstruct testname)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id testname author owner description reviewed iterated avg_runtime avg_disk tags jobgroup)
       (set! res (vector id testname author owner description reviewed iterated avg_runtime avg_disk tags jobgroup)))
     (db:get-db dbstruct #f)
     "SELECT id,testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags,jobgroup FROM test_meta WHERE testname=?;"
     testname)
    res))

;; create a new record for a given testname
(define (db:testmeta-add-record dbstruct testname)
  (sqlite3:execute (db:get-db dbstruct #f) "INSERT OR IGNORE INTO test_meta (testname,author,owner,description,reviewed,iterated,avg_runtime,avg_disk,tags) VALUES (?,'','','','','','','','');" testname))