Megatest

	dbpath)))

;;======================================================================
;; E X I T   H A N D L I N G
;;======================================================================

(define (common:legacy-sync-recommended)
  (or (and (common:get-homehost)
	   (cdr (common:get-homehost)))
      (args:get-arg "-runtests")
      (args:get-arg "-run")
      (args:get-arg "-server")
      ;; (args:get-arg "-set-run-status")
      (args:get-arg "-remove-runs")
      ;; (args:get-arg "-get-run-status")
      ))

	      (debug:print-error 0 *default-log-port* "Invalid target, spaces or blanks not allowed \"" target "\", target should be: " (string-intersperse keys "/") ", have " tlist " for elements")
	      #f)
	    #f))))

;; logic for getting homehost. Returns (host . at-home)
;;
(define (common:get-homehost)
  (cond
   (*home-host*     *home-host*)
   ((not *toppath*) #f)            ;; don't know toppath yet? return #f
   (else
    (let* ((currhost (get-host-name))
	   (bestadrs (server:get-best-guess-address currhost))
	   ;; first look in config, then look in file .homehost, create it if not found
	   (homehost (or (configf:lookup *configdat* "server" "homehost" )
			 (let ((hhf (conc *toppath* "/.homehost")))
			   (if (file-exists? hhf)
			       (with-input-from-file hhf read-line)
			       (if (file-write-access? *toppath*)
				   (begin
				     (with-output-to-file hhf
				       (lambda ()
					 (print bestadrs)))
				     (common:get-homehost))
				   #f)))))
	   (at-home  (or (equal? homehost currhost)
			 (equal? homehost bestadrs))))
      (set! *home-host* (cons homehost at-home))
      *home-host*))))

;;======================================================================
;; M I S C   L I S T S
;;======================================================================

;; items in lista are matched value and position in listb
;; return the remaining items in listb or #f

		  (if match 
		      (let ((newval (string->number (cadr match))))
			(if (number? newval)
			    (set! freespc newval))))))
	      (car df-results))
    freespc))




(define (common:check-space-in-dir dirpath required)

  (let* ((dbspace  (if (directory? dirpath)
		       (get-df dirpath)
		       0)))



    (list (> dbspace required)
	  dbspace
	  required
	  dirpath)))

;; check space in dbdir and in megatest dir
;; returns: ok/not dbspace required-space
;;
(define (common:check-db-dir-space)
  (let* ((required (string->number 
		    (or (configf:lookup *configdat* "setup" "dbdir-space-required")
			"100000")))
	 (dbdir    (common:get-db-tmp-area)) ;; (db:get-dbdir))
	 (tdbspace (common:check-space-in-dir dbdir required))
	 (mdbspace (common:check-space-in-dir *toppath* required)))
    (sort (list tdbspace mdbspace) (lambda (a b)
				     (< (cadr a)(cadr b))))))
    
;; check available space in dbdir, exit if insufficient
;;
(define (common:check-db-dir-and-exit-if-insufficient)
  (let* ((spacedat (car (common:check-db-dir-space))) ;; look only at worst for now
	 (is-ok    (car spacedat))
	 (dbspace  (cadr spacedat))
	 (required (caddr spacedat))
	 (dbdir    (cadddr spacedat)))
    (if (not is-ok)
	(begin
	  (debug:print-error 0 *default-log-port* "Insufficient space in " dbdir ", require " required ", have " dbspace  ", exiting now.")

    dlog))


;;======================================================================
;;
;;======================================================================
(define (dashboard-tests:examine-test run-id test-id) ;; run-id run-key origtest)
  (let* ((db-path       (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/db/" run-id ".db"))
	 (dbstruct      #f) ;; NOT ACTUALLY USED (db:setup)) ;; (make-dbr:dbstruct path:  (db:dbfile-path #f) ;; (configf:lookup *configdat* "setup" "linktree") 
			    ;;		   local: #t))
	 (testdat        (rmt:get-test-info-by-id run-id test-id)) ;; (db:get-test-info-by-id dbstruct run-id test-id))
	 (db-mod-time   0) ;; (file-modification-time db-path))
	 (last-update   0) ;; (current-seconds))
	 (request-update #t))
    (if (not testdat)
	(begin

;;    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-db dbstruct . blah) ;;  run-id) 
  (or (dbr:dbstruct-tmpdb dbstruct)
      (db:open-db dbstruct)))

;; ;; legacy handling of structure for managing db's. Refactor this into dbr:?
(define (db:dbdat-get-db dbdat)
  (if (pair? dbdat)
      (car dbdat)
      dbdat))

;;     ;;; (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) ;;  (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 dbdir: dbpath)) ;; lock-create-open dbpath db:initialize-main-db))
               (mtdb         (db:open-megatest-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)
          ;;	    (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) ;;  . junk) ;;  #!key (run-id #f) (local #f))
  (let* (;; (dbdir    (db:dbfile-path)) ;; (conc (configf:lookup *configdat* "setup" "linktree") "/.db"))

	;; (refdb  (dbr:dbstruct-refdb dbstruct))
        (tmpdb  (dbr:dbstruct-tmpdb dbstruct))
	(mtdb  (dbr:dbstruct-mtdb dbstruct))
	;; (runid  (dbr:dbstruct-run-id dbstruct))
	)
    (debug:print-info 4 *default-log-port* "Syncing for run-id: " run-id)
    ;; (mutex-lock! *http-mutex*)

    (db:sync-tables (db:sync-all-tables-list tmpdb) tmpdb mtdb)))
;;    (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)

	 '("units"          #f)
	 '("comment"        #f)
	 '("status"         #f)
	 '("type"           #f))))

;; needs db to get keys, this is for syncing all tables
;;
(define (db:sync-main-list dbstruct)
  (let ((keys  (db:get-keys dbstruct)))
    (list
     (list "keys"
	   '("id"        #f)
	   '("fieldname" #f)
	   '("fieldtype" #f))
     (list "metadat" '("var" #f) '("val" #f))
     (append (list "runs" 

	   '("description"    #f)
	   '("reviewed"       #f)
	   '("iterated"       #f)
	   '("avg_runtime"    #f)
	   '("avg_disk"       #f)
	   '("tags"           #f)
	   '("jobgroup"       #f)))))

(define (db:sync-all-tables-list dbstruct)
  (append (db:sync-main-list dbstruct)
	  db:sync-tests-only))

;; use bunch of Unix commands to try to break the lock and recreate the db
;;
(define (db:move-and-recreate-db dbdat)
  (let* ((dbpath   (db:dbdat-get-path        dbdat))
	 (dbdir    (pathname-directory       dbpath))
	 (fname    (pathname-strip-directory dbpath))

;;  '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
;;
;;  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))
	     (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)
	       (tasks:server-delete-record (db:delay-if-busy tdbdat) (vector-ref server 0) "dbmigration")
	       (tasks:kill-server (vector-ref server 2)(vector-ref server 1)))
	     servers))

	;; clear out junk records
	;;
	(if (member 'dejunk options)
	    (begin
	      (db:delay-if-busy mtdb)
	      (db:clean-up mtdb)
	      (db:clean-up tmpdb)))

	;; adjust test-ids to fit into proper range
	;;
	;; (if (member 'adj-testids options)
	;;     (begin
	;;       (db:delay-if-busy mtdb)
	;;       (db:prep-megatest.db-for-migration mtdb)))

	;; sync runs, test_meta etc.
	;;
	(if (member 'old2new options)
	    ;; (begin
	    (db:sync-tables (db:sync-all-tables-list dbstruct) mtdb tmpdb))
			      ;; (db:sync-main-list mtdb) mtdb (db:get-db dbstruct #f))
;; 	      (for-each 
;; 	       (lambda (run-id)
;; 		 (db:delay-if-busy mtdb)
;; 		 (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
;; ;;		       (dbstruct (if toppath (make-dbr:dbstruct path: toppath local: #t) #f)))
;; 		   (debug:print 0 *default-log-port* "INFO: Propagating " (length testrecs) " records for run-id=" run-id " to run specific db")
;; 		   (db:replace-test-records dbstruct run-id testrecs)
;; 		   (sqlite3:finalize! (db:dbdat-get-db (dbr:dbstruct-rundb dbstruct)))))
;; 	       run-ids)))

	;; now ensure all newdb data are synced to megatest.db
	;; do not use the run-ids list passed in to the function
	;;
	(if (member 'new2old options)
	    (db:sync-tables (db:sync-all-tables-list dbstruct) tmpdb mtdb))
	;; (let* ((maindb      (make-dbr:dbstruct path: toppath local: #t))
	;; 	   (src-run-ids (if run-ids run-ids (db:get-all-run-ids (db:dbdat-get-db (db:get-db maindb 0)))))
	;; 	   (all-run-ids (sort (delete-duplicates (cons 0 src-run-ids)) <))
	;; 	   (count       1)
	;; 	   (total       (length all-run-ids))
	;; 	   (dead-runs  '()))
	;;   ;; first fix schema if needed
	;;   (map
	;;    (lambda (th)
	;; 	 (thread-join! th))
	;;    (map
	;; 	(lambda (run-id)
	;; 	  (thread-start! 
	;; 	   (make-thread
	;; 	    (lambda ()
	;; 	      (let* ((fromdb (if toppath (make-dbr:dbstruct path: toppath local: #t) #f))
	;; 		     (frundb (db:dbdat-get-db (db:get-db fromdb run-id))))
	;; 		(if (eq? run-id 0)
	;; 		    (let ((maindb  (db:dbdat-get-db (db:get-db fromdb #f))))
	;; 		      (db:patch-schema-maindb run-id maindb))
	;; 		    (db:patch-schema-rundb run-id frundb)))
	;; 	      (set! count (+ count 1))
	;; 	      (debug:print 0 *default-log-port* "Finished patching schema for " (if (eq? run-id 0) " main.db " (conc run-id ".db")) ", " count " of " total)))))
	;; 	all-run-ids))
	;;   ;; Then sync and fix db's
	;;   (set! count 0)
	;;   (process-fork
	;;    (lambda ()
	;; 	 (map
	;; 	  (lambda (th)
	;; 	    (thread-join! th))
	;; 	  (map
	;; 	   (lambda (run-id)
	;; 	     (thread-start! 
	;; 	      (make-thread
	;; 	       (lambda ()
	;; 		 (let* ((fromdb (if toppath (make-dbr:dbstruct path: toppath local: #t) #f))
	;; 			(frundb (db:dbdat-get-db (db:get-db fromdb run-id))))
	;; 		   (if (eq? run-id 0)
	;; 		       (let ((maindb  (db:dbdat-get-db (db:get-db fromdb #f))))
	;; 			 (db:sync-tables (db:sync-main-list dbstruct) (db:get-db fromdb #f) mtdb)
	;; 			 (set! dead-runs (db:clean-up-maindb (db:get-db fromdb #f))))
	;; 		       (begin
	;; 			 ;; NB// must sync first to ensure deleted tests get marked as such in megatest.db
	;; 			 (db:sync-tables db:sync-tests-only (db:get-db fromdb run-id) mtdb)
	;; 			 (db:clean-up-rundb (db:get-db fromdb run-id)))))
	;; 		 (set! count (+ count 1))
	;; 		 (debug:print 0 *default-log-port* "Finished clean up of "
	;; 			      (if (eq? run-id 0)
	;; 				  " main.db " (conc run-id ".db")) ", " count " of " total)))))
	;; 	   all-run-ids))))

	;; removed deleted runs
;; (let ((dbdir (tasks:get-task-db-path)))
;;   (for-each (lambda (run-id)
;; 	      (let ((fullname (conc dbdir "/" run-id ".db")))
;; 		(if (file-exists? fullname)
;; 		    (begin
;; 		      (debug:print 0 *default-log-port* "Removing database file for deleted run " fullname)
;; 		      (delete-file fullname)))))
;; 	    dead-runs))))
;; 
	;; (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