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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
;;======================================================================
;; Database access
;;======================================================================
(require-extension (srfi 18) extras tcp)
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;;======================================================================
;; Copyright 2006-2013, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;
;;======================================================================
;;======================================================================
;; Database access
;;======================================================================
(require-extension (srfi 18) extras tcp)
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;;
(define (open-test-db work-area)
(debug:print-info 11 *default-log-port* "open-test-db " work-area)
(if (and work-area
(directory? work-area)
(file-read-access? work-area))
(let* ((dbpath (conc work-area "/testdat.db"))
(dbexists (file-exists? dbpath))
(work-area-writeable (file-write-access? work-area))
(db (handle-exceptions ;; open the db if area writeable or db pre-existing. open in-mem otherwise. if exception, open in-mem
exn
(begin
(print-call-chain (current-error-port))
(debug:print 2 *default-log-port* "ERROR: problem accessing test db " work-area ", you probably should clean and re-run this test"
((condition-property-accessor 'exn 'message) exn))
(set! dbexists #f) ;; must force re-creation of tables, more tom-foolery
(sqlite3:open-database ":memory:")) ;; open an in-memory db to allow readonly access
(if (or work-area-writeable
dbexists)
(sqlite3:open-database dbpath)
(sqlite3:open-database ":memory:"))))
(tdb-writeable (and (file-write-access? work-area)
(file-write-access? dbpath)))
(handler (make-busy-timeout (if (args:get-arg "-override-timeout")
(string->number (args:get-arg "-override-timeout"))
136000))))
(if (and tdb-writeable
*db-write-access*)
(sqlite3:set-busy-handler! db handler))
(if (not dbexists)
(begin
(db:set-sync db) ;; (sqlite3:execute db "PRAGMA synchronous = FULL;")
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;;
(define (open-test-db work-area)
(debug:print-info 11 *default-log-port* "open-test-db " work-area)
(if (and work-area
(directory? work-area)
(file-read-access? work-area))
(let* ((dbpath (conc work-area "/testdat.db"))
(dbexists (common:file-exists? dbpath))
(work-area-writeable (file-write-access? work-area))
(db (handle-exceptions ;; open the db if area writeable or db pre-existing. open in-mem otherwise. if exception, open in-mem
exn
(begin
(print-call-chain (current-error-port))
(debug:print 2 *default-log-port* "ERROR: problem accessing test db " work-area ", you probably should clean and re-run this test"
((condition-property-accessor 'exn 'message) exn))
(set! dbexists #f) ;; must force re-creation of tables, more tom-foolery
(sqlite3:open-database ":memory:")) ;; open an in-memory db to allow readonly access
(if (or work-area-writeable
dbexists)
(sqlite3:open-database dbpath)
(sqlite3:open-database ":memory:"))))
(tdb-writeable (and (file-write-access? work-area)
(file-write-access? dbpath)))
(handler (sqlite3:make-busy-timeout (if (args:get-arg "-override-timeout")
(string->number (args:get-arg "-override-timeout"))
136000))))
(if (and tdb-writeable
*db-write-access*)
(sqlite3:set-busy-handler! db handler))
(if (not dbexists)
(begin
(db:set-sync db) ;; (sqlite3:execute db "PRAGMA synchronous = FULL;")
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