Megatest

  (db          #f)    ;; should rename this to oddb for on disk db
  (inmem       #f)
  (last-sync   0)
  (last-write  (current-seconds))
  (run-id      #f)
  (fname       #f))
  
;; Returns the dbdat for a particular dbfile inside the area
;;
(define (dbr:dbstruct-get-dbdat dbstruct dbfile)
  (hash-table-ref/default (dbr:dbstruct-dbdats dbstruct) dbfile #f))

(define (dbr:dbstruct-dbdat-put! dbstruct dbfile db)
  (hash-table-set! (dbr:dbstruct-dbdats dbstruct) dbfile db))

(define (db:run-id->first-num run-id)
  (let* ((s (number->string run-id))
	 (l (string-length s)))
    (substring s (- l 1) l)))

;; 1234 => 4/1234.db

;;    if run-id => get run specific db
;;    if #f     => get main.db
;;    if db already open - return inmem
;;    if db not open, open inmem, rundb and sync then return inmem
;;    inuse gets set automatically for rundb's
;;
(define (db:get-dbdat dbstruct apath dbfile)
  (let ((dbdat (dbr:dbstruct-get-dbdat dbstruct dbfile)))
    (if dbdat
	dbdat

	(let* ((newdbdat (db:open-dbdat apath dbfile db:initialize-db)))
	  (dbr:dbstruct-dbdat-put! dbstruct dbfile newdbdat)
	  newdbdat))))

;; get the inmem db for actual db operations
;;
(define (db:get-inmem dbstruct apath dbfile)
  (dbr:dbdat-inmem (db:get-dbdat dbstruct apath dbfile)))

;; get the handle for the on-disk db
;;
(define (db:get-ddb dbstruct apath dbfile)
  (dbr:dbdat-db (db:get-dbdat dbstruct apath dbfile)))

;; open or create the disk db file
;; create and fill the inmemory db
;; assemble into dbr:dbdat struct and return
;; 
(define (db:open-dbdat apath dbfile dbinit-proc)

  (let* ((db       (db:open-run-db dbfile dbinit-proc))
	 ;; (inmem    (db:open-inmem-db dbinit-proc))
	 (dbdat    (make-dbr:dbdat
		    db:     #f ;; db
		    inmem:  db ;; inmem
		    ;; run-id: run-id  ;; no can do, there are many run-id values that point to single db
		    fname:  dbfile)))
    ;; now sync the disk file data into the inmemory db
    ;; (db:sync-tables (db:sync-all-tables-list) '("last_update" . 0) db inmem)
    ;; (sqlite3:finalize! db) ;; open and close every sync
    dbdat))
;; (define (db:open-dbdat apath dbfile dbinit-proc)

;;   (let* ((db       (db:open-run-db dbfile dbinit-proc))
;; 	 (inmem    (db:open-inmem-db dbinit-proc))
;; 	 (dbdat    (make-dbr:dbdat
;; 		    db:     #f ;; db
;; 		    inmem:  inmem
;; 		    ;; run-id: run-id  ;; no can do, there are many run-id values that point to single db
;; 		    fname:  dbfile)))
;;     ;; now sync the disk file data into the inmemory db

(define (db:open-inmem-db dbinit-proc)
  (let* ((db      (sqlite3:open-database ":memory:"))
	 (handler (sqlite3:make-busy-timeout 3600)))
    (sqlite3:set-busy-handler! db handler)
    (dbinit-proc db) ;; NOTE: inmem must always be initialized (db:initialize-db db)
    db))

;; ;; for debugging we have a local mode. these routines support that mode
;; (define *dbcache* (make-hash-table))
;; 
;; (define (db:cache-get-dbstruct rid apath)
;;   (let* ((dbname (db:run-id->dbname rid))
;; 	 (dbfile (db:dbname->path apath dbname)))
;;     (or (hash-table-ref/default *dbcache* dbfile #f)
;; 	(let* ((dbstruct (db:setup dbfile))) ;; (db:open-dbdat apath dbfile db:initialize-db)))
;; 	  (hash-table-set! *dbcache* dbfile dbstruct)
;; 	  dbstruct))))
;; 
;; (define (db:finalize-all-cache-dbstruct)
;;   #f)
;; 	  

;; get and initalize dbstruct for a given run-id
;;
;;  - uses db:initialize-db to create the schema
;;
;; Make the dbstruct, call for main db at least once
;; sync disk db to inmem
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (db:setup db-file) ;; run-id)
  (assert *toppath* "FATAL: db:setup called before toppath is available.")
  (let* ((dbstruct (or *dbstruct-db* (make-dbr:dbstruct))))

    (db:get-dbdat dbstruct *toppath* db-file)
    (if (not *dbstruct-db*)(set! *dbstruct-db* dbstruct))
    dbstruct))

;;======================================================================
;; setting/getting a lock on the db for only one server per db
;;

	   (list "update_test_data_trigger"  "CREATE TRIGGER  IF NOT EXISTS update_test_data_trigger AFTER UPDATE ON test_data
                             FOR EACH ROW
                               BEGIN 
                                 UPDATE test_data SET last_update=(strftime('%s','now'))
                                   WHERE id=old.id;
                               END;" )))

(define (db:create-all-triggers dbstruct run-id)
(db:with-db
   dbstruct run-id #f
   (lambda (db)
(db:create-triggers db))))

(define (db:create-triggers db)
    (for-each (lambda (key)
              (sqlite3:execute db (cadr key)))
          db:trigger-list))

(define (db:drop-all-triggers dbstruct run-id)
  (db:with-db
   dbstruct run-id #f
   (lambda (db)
     (db:drop-triggers db))))

(define (db:is-trigger-dropped db tbl-name)
  (let* ((trigger-name (if (equal? tbl-name "test_steps")
			   "update_teststeps_trigger" 
                           (conc "update_" tbl-name "_trigger")))

	 (toplevels   '())
	 (deadtime-str (configf:lookup *configdat* "setup" "deadtime"))
	 (deadtime     (if (and deadtime-str
				(string->number deadtime-str))
			   (string->number deadtime-str)
			   72000))) ;; twenty hours
    (db:with-db
     dbstruct run-id #f
     (lambda (db)
       (if (number? ovr-deadtime)(set! deadtime ovr-deadtime))
       
       ;; in RUNNING or REMOTEHOSTSTART for more than 10 minutes
       ;;
       ;; HOWEVER: this code in run:test seems to work fine
       ;;              (> (- (current-seconds)(+ (db:test-get-event_time testdat)

         (running-deadtime-default (+ server-start-allowance (* 2 launch-monitor-period)))
         (running-deadtime (or deadtime-trim running-deadtime-default)) ;; two minutes (30 seconds between updates, this leaves 3x grace period)
         )
    (debug:print-info 4  *default-log-port* "running-deadtime = " running-deadtime)
    (debug:print-info 4  *default-log-port* "deadtime-trim = " deadtime-trim)

    (db:with-db 
     dbstruct run-id #f
     (lambda (db)
       (let* ((stmth1 (db:get-cache-stmth
		       dbstruct db
		       "SELECT id,rundir,uname,testname,item_path,event_time,run_duration FROM tests 
                           WHERE run_id=? AND (strftime('%s','now') - event_time) > (run_duration + ?)
                                          AND state IN ('RUNNING');"))
	      (stmth2 (db:get-cache-stmth

		 ;; MATT: Moving this to rmt.scm - call right after calling find-and-mark-complete
		 ;; (launch:end-of-run-check run-id)
		 )))))))

;; BUG: Probably broken - does not explicitly use run-id in the query
;;
(define (db:top-test-set-per-pf-counts dbstruct run-id test-name)
  (db:general-call dbstruct 'top-test-set-per-pf-counts run-id (list test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name test-name)))

;; Clean out old junk and vacuum the database
;;
;; Ultimately do something like this:
;;
;; 1. Look at test records either deleted or part of deleted run:
;;    a. If test dir exists, set the the test to state='UNKNOWN', Set the run to 'unknown'

;;     ;; (db:delay-if-busy dbdat)
;;     (sqlite3:execute db "VACUUM;")
;;     dead-runs))

;;======================================================================
;; M E T A   G E T   A N D   S E T   V A R S
;;======================================================================
   
;; returns number if string->number is successful, string otherwise
;; also updates *global-delta*
;;
(define (db:get-var dbstruct run-id var)
  (let* ((res      #f))
    (db:with-db
     dbstruct run-id #f
     (lambda (db)
       (sqlite3:for-each-row
        (lambda (val)
          (set! res val))
        db
        "SELECT val FROM metadat WHERE var=?;" var)
       ;; convert to number if can
       (if (string? res)
           (let ((valnum (string->number res)))
             (if valnum (set! res valnum))))
       res))))

(define (db:inc-var dbstruct run-id var)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+1 WHERE var=?;" var))))

(define (db:dec-var dbstruct run-id var)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val-1 WHERE var=?;" var))))

;; This was part of db:get-var. It was used to estimate the load on
;; the database files.
;;
;; scale by 10, average with current value.
;;     (set! *global-delta* (/ (+ *global-delta* (* (- (current-milliseconds) start-ms)
;; 						 (if throttle throttle 0.01)))
;; 			    2))
;;     (if (> (abs (- *last-global-delta-printed* *global-delta*)) 0.08) ;; don't print all the time, only if it changes a bit
;; 	(begin
;; 	  (debug:print-info 4 *default-log-port* "launch throttle factor=" *global-delta*)
;; 	  (set! *last-global-delta-printed* *global-delta*)))

(define (db:set-var dbstruct run-id var val)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" var val))))

(define (db:add-var dbstruct run-id var val)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(sqlite3:execute db "UPDATE metadat SET val=val+? WHERE var=?;" val var))))

(define (db:del-var dbstruct run-id var)
  (db:with-db dbstruct run-id #t 
	      (lambda (db)
		(sqlite3:execute db "DELETE FROM metadat WHERE var=?;" var))))

;;======================================================================
;; no-sync.db - small bits of data to be shared between servers
;;======================================================================

		    qryvals)
	     (sqlite3:execute db "UPDATE runs SET state=?,status=?,event_time=strftime('%s','now') WHERE id=? AND state='deleted';" state status res)
	     res))) 
	(begin
	  (debug:print-error 0 *default-log-port* "Called without all necessary keys")
	  #f))))

;; register a run with the db

;;
(define (db:insert-run dbstruct run-id keyvals runname state status user contour-in)
  (let* ((keys      (map car keyvals))
	 (keystr    (keys->keystr keys))
	 (contour   (or contour-in ""))  ;; empty string to force no hierarcy and be backwards compatible.
	 (comma     (if (> (length keys) 0) "," ""))
	 (andstr    (if (> (length keys) 0) " AND " ""))
	 (valslots  (keys->valslots keys)) ;; ?,?,? ...
	 (allvals   (append (list runname state status user contour) (map cadr keyvals)))
	 (qryvals   (append (list runname) (map cadr keyvals)))
	 (key=?str  (string-intersperse (map (lambda (k)(conc k "=?")) keys) " AND ")))
    (debug:print 3 *default-log-port* "keys: " keys " allvals: " allvals " keyvals: " keyvals " key=?str is " key=?str)
    (debug:print 2 *default-log-port* "NOTE: using target " (string-intersperse (map cadr keyvals) "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(db:with-db
	 dbstruct run-id #f
	 (lambda (db)
	   (let ((res #f))
	     (apply sqlite3:execute db (conc "INSERT OR IGNORE INTO runs (id,runname,state,status,owner,event_time,contour" comma keystr ") VALUES (?,?,?,?,?,strftime('%s','now'),?" comma valslots ");")
		    run-id
		    allvals)
	     (apply sqlite3:for-each-row 
		    (lambda (id)

;; Update run_stats for given run_id
;; input data is a list (state status count)
;;
(define (db:update-run-stats dbstruct run-id stats)
  ;; (mutex-lock! *db-transaction-mutex*)
  (db:with-db
   dbstruct

   run-id
   #f

   (lambda (db)
     ;; remove previous data
     
     (let* ((stmt1 (sqlite3:prepare db "DELETE FROM run_stats WHERE run_id=? AND state=? AND status=?;"))
	    (stmt2 (sqlite3:prepare db "INSERT INTO run_stats (run_id,state,status,count) VALUES (?,?,?,?);"))

	 (db:get-all-run-ids dbstruct)))
    res))

;; Convert calling routines to get list of run-ids and loop, do not use the get-tests-for-runs
;;

(define (db:delete-test-records dbstruct run-id test-id)
  (db:general-call dbstruct 'delete-test-step-records run-id (list test-id))
  (db:general-call dbstruct 'delete-test-data-records run-id (list test-id))
  (db:with-db
   dbstruct run-id #f
   (lambda (db)
     (sqlite3:execute db "UPDATE tests SET state='DELETED',status='n/a',comment='' WHERE id=?;" test-id))))

;; 
(define (db:delete-old-deleted-test-records dbstruct)
  (let ((targtime (- (current-seconds)
		     (or (configf:lookup-number *configdat* "setup" "keep-deleted-records")

	       (mt:process-triggers dbstruct run-id test-id newstate newstatus)))))
     testnames)
    test-ids))

;; ;; speed up for common cases with a little logic
;; ;; NB// Ultimately this will be deprecated in deference to mt:test-set-state-status-by-id
;;
;; NOTE: processing triggers was called here - moved upstream
;;
;;      NOTE: run-id is not used
;; ;;
(define (db:test-set-state-status db run-id test-id newstate newstatus newcomment)






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



;; NEW BEHAVIOR: Count tests running in all runs!
;;
(define (db:get-count-tests-running dbstruct run-id) ;; fastmode)
  (let* ((qry ;; (if fastmode
		;;   "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '') LIMIT 1;"
		  "SELECT count(id) FROM tests WHERE state in ('RUNNING','LAUNCHED','REMOTEHOSTSTART') AND NOT (uname = 'n/a' AND item_path = '');")) ;; )

	  (set! fail-count fcount)
	  (set! pass-count pcount))
	db 
	"SELECT (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'fail') AS fail_count,
             (SELECT count(id) FROM test_data WHERE test_id=? AND status like 'pass') AS pass_count;"
	test-id test-id)
       ;; Now rollup the counts to the central megatest.db
       (db:general-call dbstruct 'pass-fail-counts run-id (list pass-count fail-count test-id))
       ;; if the test is not FAIL then set status based on the fail and pass counts.
       (db:general-call dbstruct 'test_data-pf-rollup run-id (list test-id test-id test-id test-id))))))

;; each section is a rule except "final" which is the final result
;;
;; [rule-5]
;; operator in
;; section LogFileBody
;; desc Output voltage

			   test-name))
	 (item-path    (db:test-get-item-path testdat))
         (tl-testdat   (db:get-test-info dbstruct run-id test-name ""))
         (tl-test-id   (if tl-testdat
			   (db:test-get-id tl-testdat)
			   #f)))
    (if (member state '("LAUNCHED" "REMOTEHOSTSTART")) 
	(db:general-call dbstruct 'set-test-start-time run-id (list test-id)))
    ;; (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct run-id #f
     (lambda (db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                 ;; NB// Pass the db so it is part fo the transaction
		  ;; this call sets the item state/status
                 (db:test-set-state-status db run-id test-id state status comment)
                 (if (not (equal? item-path "")) ;; only roll up IF incoming test is an item
                     (let* ((state-status-counts  (db:get-all-state-status-counts-for-test dbstruct run-id test-name item-path state status)) ;; item-path is used to exclude current state/status of THIS test
			      						  (state-stauses (db:roll-up-rules state-status-counts state status))
                          (newstate (car state-stauses))
                          (newstatus (cadr state-stauses)))
                       (debug:print 4 *default-log-port* "BB> tl-test-id="tl-test-id" ; "test-name":"item-path" newstate="newstate" newstatus="newstatus" len(sscs)="(length state-status-counts)  " state-status-counts: "
							(apply conc
                  (map (lambda (x)
                     (conc
		      (with-output-to-string (lambda () (pp (dbr:counts->alist x)))) " | "))
		       state-status-counts))); end debug:print
		       
                       (if tl-test-id
			   (db:test-set-state-status db run-id tl-test-id newstate newstatus #f)) ;; we are still in the transaction - must access the db and not the dbstruct
		       ))))))
         ;; (mutex-unlock! *db-transaction-mutex*)
         (if (and test-id state status (equal? status "AUTO")) 
             (db:test-data-rollup dbstruct run-id test-id status))
         tr-res)))
    ;; this was moved out of test-set-state-status
    (mt:process-triggers dbstruct run-id test-id state status)))


(define (db:roll-up-rules state-status-counts state status)
		(let* ((running     (length (filter (lambda (x)
                          (member (dbr:counts-state x) *common:running-states*))
                                 state-status-counts)))
           (bad-not-started      (length (filter (lambda (x)
                                      (and (equal? (dbr:counts-state x) "NOT_STARTED") 

                                         "\n--> newstatus            "newstatus
                                         "\n\n")

                        ;; NB// Pass the db so it is part of the transaction
         (list newstate newstatus)))

(define (db:set-state-status-and-roll-up-run dbstruct run-id curr-state curr-status)
  ;; (mutex-lock! *db-transaction-mutex*)
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (let ((tr-res
              (sqlite3:with-transaction
               db
               (lambda ()
                   (let* ((state-status-counts  (db:get-all-state-status-counts-for-run dbstruct run-id))
													(state-stauses (db:roll-up-rules state-status-counts #f #f ))
                          (newstate (car state-stauses))
                          (newstatus (cadr state-stauses))) 
                    (if (or (not (eq? newstate curr-state)) (not (eq?  newstatus curr-status)))
                   (db:set-run-state-status dbstruct run-id newstate newstatus )))))))
         ;; (mutex-unlock! *db-transaction-mutex*)
         tr-res))))


(define (db:get-all-state-status-counts-for-run dbstruct run-id)
 (let* ((test-count-recs (db:with-db
                                  dbstruct #f #f
                                  (lambda (db)

   ((not (equal? megatest-version calling-version))
    (list #t (conc "Login warning due to mismatch megatest version: " calling-version ", " megatest-version)))
   
    (else
    (hash-table-set! *logged-in-clients* client-signature (current-seconds))
    '(#t "successful login"))))

(define (db:general-call dbstruct stmtname run-id params)
  (let ((query (let ((q (alist-ref (if (string? stmtname)
				       (string->symbol stmtname)
				       stmtname)
				   db:queries)))
 		 (if q (car q) #f))))
    (db:with-db
     dbstruct run-id #f
     (lambda (db)
       (apply sqlite3:execute db query params)
       #t))))

;; get a summary of state and status counts to calculate a rollup
;;
(define (db:get-state-status-summary dbstruct run-id testname)

			test-name     " "
			item-path     " " ;; has / prepended to deal with toplevel tests
			actual-state  " "
			actual-status " "
			event-time
			))
	 (prev-nbfake-log (get-environment-variable "NBFAKE_LOG")))
    (set-environment-variable! "NBFAKE_LOG" (conc (cond
				((and (directory-exists? test-rundir)
				      (file-writable? test-rundir))
				 test-rundir)
				((and (directory-exists? *toppath*)
				      (file-writable? *toppath*))
				 *toppath*)
				(else (conc "/tmp/" (current-user-name))))
			       "/" logname))
    (debug:print-info 0 *default-log-port* "TRIGGERED on " trigger ", running command " fullcmd " output at " (get-environment-variable "NBFAKE_LOG"))
    ;; (call-with-environment-variables
    ;;  `(("NBFAKE_LOG" . ,(conc test-rundir "/" logname)))
    ;;  (lambda ()
    (process-run fullcmd)
    (if prev-nbfake-log
	(set-environment-variable! "NBFAKE_LOG" prev-nbfake-log)
	(unset-environment-variable! "NBFAKE_LOG"))
    )) ;; ))

(define (mt:process-triggers dbstruct run-id test-id newstate newstatus)
  (if test-id 
      (let* ((test-dat      (db:get-test-info-by-id dbstruct run-id test-id)))
	(if test-dat
	    (let* ((test-rundir   (db:test-get-rundir       test-dat)) ;; ) ;; )

	    ;; Setting MT_LINKTREE here is almost certainly unnecessary. 
	    (let ((tconfig-file (conc hed "/" test-name "/testconfig")))
	      (if (and (common:file-exists? tconfig-file)
		       (file-readable? tconfig-file))
		  (let ((link-tree-path (common:get-linktree)) ;; (configf:lookup *configdat* "setup" "linktree"))
			(old-link-tree  (get-environment-variable "MT_LINKTREE"))
			(bigmodenv      (module-environment 'bigmod)))
		    (if link-tree-path (set-environment-variable! "MT_LINKTREE" link-tree-path))
		    (let ((newtcfg (configf:read-config tconfig-file #f #f env-to-use: bigmodenv))) ;; NOTE: Does NOT run [system ...]
		      (hash-table-set! *testconfigs* test-name newtcfg)
		      (if old-link-tree 
			  (set-environment-variable! "MT_LINKTREE" old-link-tree)
			  (unset-environment-variable! "MT_LINKTREE"))
		      newtcfg))
		  (if (null? tal)
		      (begin
			(debug:print-error 0 *default-log-port* "No readable testconfig found for " test-name)
			#f)
		      (loop (car tal)(cdr tal))))))))))