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/* $Id: tstVDShareable.vd $ */
/**
* Storage: Testcase for shareable disks.
*/
/*
* Copyright (C) 2011-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program 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, in version 3 of the
* License.
*
* This program 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 this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
void main()
{
/* Init I/O RNG for generating random data for writes. */
iorngcreate(10M, "manual", 1234567890);
/* Create disk containers. */
createdisk("shared1", false);
createdisk("shared2", false);
/* Create the disk and close it. */
create("shared1", "base", "tstShared.vdi", "fixed", "VDI", 20M, false, false);
close("shared1", "all", false);
/* Open the disk with sharing enabled. */
open("shared1", "tstShared.vdi", "VDI", true /* fAsync */, true /* fShareable */, false, false, false, false);
open("shared2", "tstShared.vdi", "VDI", true /* fAsync */, true /* fShareable */, false, false, false, false);
/* Write to one disk and verify that the other disk can see the content. */
io("shared1", true, 32, "seq", 64K, 0, 20M, 20M, 100, "none");
comparedisks("shared1", "shared2");
/* Write to the second disk and verify that the first can see the content. */
io("shared2", true, 64, "seq", 8K, 0, 20M, 20M, 50, "none");
comparedisks("shared1", "shared2");
/* Close but don't delete yet. */
close("shared1", "all", false);
close("shared2", "all", false);
/* Open and delete. */
open("shared1", "tstShared.vdi", "VDI", false /* fAsync */, false /* fShareable */, false, false, false, false);
close("shared1", "single", true);
/* Cleanup */
destroydisk("shared1");
destroydisk("shared2");
iorngdestroy();
}
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