Megatest

;;     (dbr:dbstruct-olddb-set!  dbstruct olddb)
;;     ;;; (mutex-unlock! *rundb-mutex*) ;;; why did we need a mutex on opening db's?
;;     (db:sync-tables db:sync-tests-only *megatest-db* db)
;;     db))

;; This routine creates the db if not already present. It is only called if the db is not already opened
;;
(define (db:open-db dbstruct #!key (areapath #f)) ;;  (conc *toppath* "/megatest.db") (car *configinfo*))) 
  (let ((tmpdb (dbr:dbstruct-tmpdb dbstruct))) ;; RA => Returns the first reference in dbstruct
    (if tmpdb
	tmpdb
        ;; (mutex-lock! *rundb-mutex*)
        (let* ((dbpath       (db:dbfile-path)) ;;  0))
               (dbexists     (file-exists? dbpath))
               (tmpdb        (db:open-megatest-db path: dbpath)) ;; lock-create-open dbpath db:initialize-main-db))
               (mtdb         (db:open-megatest-db))
               (refndb       (db:open-megatest-db path: dbpath name: "megatest_ref.db"))
               (write-access (file-write-access? dbpath)))
          (if (and dbexists (not write-access))
              (set! *db-write-access* #f))
          (dbr:dbstruct-mtdb-set!   dbstruct mtdb)
          (dbr:dbstruct-tmpdb-set!  dbstruct tmpdb) ;; olddb is already a (cons db path)
          (dbr:dbstruct-refndb-set! dbstruct refndb)
          ;;	    (mutex-unlock! *rundb-mutex*)
          (if (and (not dbexists)
                   *db-write-access*) ;; did not have a prior db and do have write access
              (db:multi-db-sync #f 'old2new))  ;; migrate data from megatest.db automatically
          tmpdb))))

;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (db:setup #!key (areapath #f)) ;;  . junk) ;;  #!key (run-id #f) (local #f))
  (or *dbstruct-db*
      (let* (;; (dbdir    (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/.db"))
	     (dbstruct (make-dbr:dbstruct))) ;; ) ;;  path: dbdir local: local)))
	(db:open-db dbstruct areapath: #f)
	(set! *dbstruct-db* dbstruct)
	dbstruct)))




;; Open the classic megatest.db file (defaults to open in toppath)
;;
;;   NOTE: returns a dbdat not a dbstruct!
;;
(define (db:open-megatest-db #!key (path #f)(name #f))
  (let* ((dbpath       (conc (or path *toppath*) "/" (or name "megatest.db")))
	 (dbexists     (file-exists? dbpath))
	 (db           (db:lock-create-open dbpath
					    (lambda (db)
					      (db:initialize-main-db db)
					      (db:initialize-run-id-db db))))
	 (write-access (file-write-access? dbpath)))
    (if (and dbexists (not write-access))
	(set! *db-write-access* #f))
    (cons db dbpath)))

;; sync run to disk if touched
;;
(define (db:sync-touched dbstruct run-id #!key (force-sync #f))
  (let (;; (mtime  (dbr:dbstruct-mtime dbstruct))
	;; (stime  (dbr:dbstruct-stime dbstruct))
	;; (rundb  (dbr:dbstruct-rundb dbstruct))
	;; (inmem  (dbr:dbstruct-inmem dbstruct))
	;; (maindb (dbr:dbstruct-main  dbstruct))
	;; (refdb  (dbr:dbstruct-refdb dbstruct))
        (tmpdb   (dbr:dbstruct-tmpdb dbstruct))
	(mtdb    (dbr:dbstruct-mtdb dbstruct))
        (refndb  (dbr:dbstruct-refndb dbstruct))
	(start-t (current-seconds))
	;; (runid  (dbr:dbstruct-run-id dbstruct))
	)
    (debug:print-info 4 *default-log-port* "Syncing for run-id: " run-id)
    (mutex-lock! *db-sync-mutex*)


    (db:sync-tables (db:sync-all-tables-list dbstruct) (cons *db-last-sync* "last_update") tmpdb refndb mtdb)

    (set! *db-last-sync* start-t)
    (mutex-unlock! *db-sync-mutex*)))
;;    (if (eq? run-id 0)
;;	;; runid equal to 0 is main.db
;;	(if maindb
;;	    (if (or (not (number? mtime))
;;		    (not (number? stime))
;;		    (> mtime stime)
;;		    force-sync)
;;		(begin
;;		  (db:delay-if-busy maindb)
;;		  (db:delay-if-busy olddb)
;;		  (let ((num-synced (db:sync-tables (db:sync-main-list maindb) maindb olddb)))
;;		    (dbr:dbstruct-stime-set! dbstruct (current-milliseconds))
;;		    num-synced)
;;		  0))
;;	    (begin
;;	      ;; this can occur when using local access (i.e. not in a server)
;;	      ;; need a flag to turn it off.
;;	      ;;
;;	      (debug:print 3 *default-log-port* "WARNING: call to sync main.db to megatest.db but main not initialized")
;;	      0))
;;	;; any other runid is a run
;;	(if (or (not (number? mtime))
;;		(not (number? stime))
;;		(> mtime stime)
;;		force-sync)
;;	    (begin
;;	      (db:delay-if-busy rundb)
;;	      (db:delay-if-busy olddb)
;;	      (dbr:dbstruct-stime-set! dbstruct (current-milliseconds))
;;	      (let ((num-synced (db:sync-tables db:sync-tests-only inmem refdb rundb olddb)))
;;		;; (mutex-unlock! *http-mutex*)
;;		num-synced)
;;	      (begin
;;		;; (mutex-unlock! *http-mutex*)
;;		0))))))

;; (define (db:close-main dbstruct)
;;   (let ((maindb (dbr:dbstruct-main dbstruct)))
;;     (if maindb
;; 	(begin
;; 	  (sqlite3:finalize! (db:dbdat-get-db maindb))
;; 	  (dbr:dbstruct-main-set! dbstruct #f)))))
;; 
;; (define (db:close-run-db dbstruct run-id)
;;   (let ((rdb (db:open-rundb dbstruct run-id do-not-open: #t)))
;;     (if (and rdb
;; 	     (sqlite3:database? rdb))
;; 	(begin
;; 	  (sqlite3:finalize! rdb)
;; 	  (dbr:dbstruct-localdb-set! dbstruct run-id #f)
;; 	  (dbr:dbstruct-inmem-set! dbstruct #f)))))

;; close all opened run-id dbs
(define (db:close-all dbstruct)
  (if (dbr:dbstruct? dbstruct)
      (begin
        ;; (db:sync-touched dbstruct 0 force-sync: #t) ;; NO. Do not do this here. Instead we rely on a server to be started when there are writes, even if the server itself is not going to be used as a server.
        (let ((tdb (db:dbdat-get-db (dbr:dbstruct-tmpdb  dbstruct)))

;; db's are dbdat's
;;
;; if last-update specified ("field-name" . time-in-seconds)
;;    then sync only records where field-name >= time-in-seconds
;;    IFF field-name exists
;;
(define (db:sync-tables tbls last-update fromdb todb . slave-dbs)
  (mutex-lock! *db-sync-mutex*)
  (handle-exceptions
   exn
   (begin
     (mutex-unlock! *db-sync-mutex*)
     (debug:print 0 *default-log-port* "EXCEPTION: database probably overloaded or unreadable in db:sync-tables.")
     (print-call-chain (current-error-port))
     (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
     (print "exn=" (condition->list exn))
     (debug:print 0 *default-log-port* " status:  " ((condition-property-accessor 'sqlite3 'status) exn))
     (debug:print 0 *default-log-port* " src db:  " (db:dbdat-get-path fromdb))
     (for-each (lambda (dbdat)
		 (let ((dbpath (db:dbdat-get-path dbdat)))
		   (debug:print 0 *default-log-port* " dbpath:  " dbpath)
		   (if (not (db:repair-db dbdat))
		       (begin
			 (debug:print-error 0 *default-log-port* "Failed to rebuild " dbpath ", exiting now.")
			 (exit)))))
	       (cons todb slave-dbs))
     
     0)
;;      (if *server-run* ;; we are inside a server, throw a sync-failed error
;; 	 (signal (make-composite-condition
;; 		 (make-property-condition 'sync-failed 'message "db:sync-tables failed in a server context.")))
;; 	 0)) ;; return zero for num synced

	 ;; (set! *time-to-exit* #t) ;; let watch dog know that it is time to die.
	 ;; (tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "shutting-down")
	 ;; (portlogger:open-run-close portlogger:set-port port "released")
	 ;; (exit 1)))
   (cond
    ((not fromdb) (debug:print 3 *default-log-port* "WARNING: db:sync-tables called with fromdb missing") -1)
    ((not todb)   (debug:print 3 *default-log-port* "WARNING: db:sync-tables called with todb missing") -2)
    ((not (sqlite3:database? (db:dbdat-get-db fromdb)))
     (debug:print-error 0 *default-log-port* "db:sync-tables called with fromdb not a database " fromdb) -3)
    ((not (sqlite3:database? (db:dbdat-get-db todb)))
     (debug:print-error 0 *default-log-port* "db:sync-tables called with todb not a database " todb) -4)

	  (lambda (dat)
	    (let ((tblname (car dat))
		  (count   (cdr dat)))
	      (set! tot-count (+ tot-count count))
	      (if (> count 0)
		  (if should-print (debug:print 0 *default-log-port* (format #f "    ~10a ~5a" tblname count))))))
	  (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
       tot-count)))
   (mutex-unlock! *db-sync-mutex*)))


(define (db:patch-schema-rundb frundb)
  ;;
  ;; remove this some time after September 2016 (added in version v1.6031
  ;;
  (for-each
   (lambda (table-name)

;;  'old2new      - sync megatest.db records to .db/{main,1,2 ...}.db
;;  'new2old      - sync .db/{main,1,2,3 ...}.db to megatest.db
;;  'closeall     - close all opened dbs
;;  'schema       - attempt to apply schema changes
;;
;;  run-ids: '(1 2 3 ...) or #f (for all)
;;
(define (db:multi-db-sync run-ids . options)
  (if (not (launch:setup))
      (debug:print 0 *default-log-port* "ERROR: not able to setup up for megatest.")
      (let* ((dbstruct (db:setup))
	     (mtdb     (dbr:dbstruct-mtdb dbstruct))
	     (tmpdb    (dbr:dbstruct-tmpdb dbstruct))
             (refndb   (dbr:dbstruct-refndb dbstruct))
	     (allow-cleanup (if run-ids #f #t))
;; 	     (run-ids  (if run-ids 
;; 			   run-ids
;; 			   (db:get-all-run-ids mtdb)))
	     (tdbdat  (tasks:open-db))
	     (servers (tasks:get-all-servers (db:delay-if-busy tdbdat))))
    
	;; kill servers
	(if (member 'killservers options)
	    (for-each
	     (lambda (server)

	;; (db:close-all dbstruct)
	;; (sqlite3:finalize! mdb)
	)))

;; keeping it around for debugging purposes only
(define (open-run-close-no-exception-handling  proc idb . params)
  (debug:print-info 11 *default-log-port* "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
		  ((pair? idb)                 (db:dbdat-get-db idb))
		  ((sqlite3:database? idb)     idb)
		  ((not idb)                   (debug:print-error 0 *default-log-port* "cannot open-run-close with #f anymore"))
		  ((procedure? idb)            (idb))
		  (else   	               (debug:print-error 0 *default-log-port* "cannot open-run-close with #f anymore"))))
	     (res #f))

;; 	 (blocks       '())) ;; a block is an archive chunck that can be added too if there is space
;;     (sqlite3:for-each-row  #f)

;;======================================================================
;; L O G G I N G    D B 
;;======================================================================

(define (open-logging-db) ;;  (conc *toppath* "/megatest.db") (car *configinfo*)))
  (let* ((dbpath    (conc (if *toppath* (conc *toppath* "/") "") "logging.db")) ;; fname)
	 (dbexists  (file-exists? dbpath))
	 (db        (sqlite3:open-database dbpath))
	 (handler   (make-busy-timeout (if (args:get-arg "-override-timeout")
					   (string->number (args:get-arg "-override-timeout"))
					   136000)))) ;; 136000)))
    (sqlite3:set-busy-handler! db handler)

    (db:set-state-status-and-roll-up-items dbstruct run-id test-id #f state status msg)
    ;; process the test_data table
    (if (and test-id state status (equal? status "AUTO")) 
	(db:test-data-rollup dbstruct run-id test-id status))
    (mt:process-triggers run-id test-id state status)))

;; state is the priority rollup of all states
;; status is the priority rollup of all completed states
;;
;; if test-name is an integer work off that instead of test-name test-path
;;
(define (db:set-state-status-and-roll-up-items dbstruct run-id test-name item-path state status comment)
  ;; establish info on incoming test followed by info on top level test
  (let* ((db           (db:dbdat-get-db (dbr:dbstruct-tmpdb dbstruct)))
	 (testdat      (if (number? test-name)