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/* $Id: tstVDCopy.vd $ */
/**
* Storage: Testcase for VDCopy with snapshots and optimizations.
*/
/*
* Copyright (C) 2011-2023 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 source disk and fill data. */
print("Creating Source Disk");
createdisk("source", false);
create("source", "base", "source_base.vdi", "dynamic", "VDI", 1G, false, false);
io("source", false, 1, "rnd", 64K, 0, 512M, 256M, 100, "none");
print("Creating first diff");
create("source", "diff", "source_diff1.vdi", "dynamic", "VDI", 1G, false, false);
io("source", false, 1, "rnd", 64K, 512M, 1G, 256M, 50, "none");
print("Creating second diff");
create("source", "diff", "source_diff2.vdi", "dynamic", "VDI", 1G, false, false);
io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
print("Creating third diff");
create("source", "diff", "source_diff3.vdi", "dynamic", "VDI", 1G, false, false);
io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
print("Creating fourth diff");
create("source", "diff", "source_diff4.vdi", "dynamic", "VDI", 1G, false, false);
io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
print("Creating destination disk");
createdisk("dest", false);
print("Copying base image");
copy("source", "dest", 0, "VDI", "dest_base.vdi", false, 0, 0xffffffff, 0xffffffff); /* Image content unknown */
print("Copying first diff optimized");
copy("source", "dest", 1, "VDI", "dest_diff1.vdi", false, 0, 0, 0);
print("Copying other diffs optimized");
copy("source", "dest", 2, "VDI", "dest_diff2.vdi", false, 0, 1, 1);
copy("source", "dest", 3, "VDI", "dest_diff3.vdi", false, 0, 2, 2);
copy("source", "dest", 4, "VDI", "dest_diff4.vdi", false, 0, 3, 3);
print("Comparing disks");
comparedisks("source", "dest");
printfilesize("source", 0);
printfilesize("source", 1);
printfilesize("source", 2);
printfilesize("source", 3);
printfilesize("source", 4);
printfilesize("dest", 0);
printfilesize("dest", 1);
printfilesize("dest", 2);
printfilesize("dest", 3);
printfilesize("dest", 4);
print("Cleaning up");
close("dest", "single", true);
close("dest", "single", true);
close("dest", "single", true);
close("dest", "single", true);
close("dest", "single", true);
close("source", "single", true);
close("source", "single", true);
close("source", "single", true);
close("source", "single", true);
close("source", "single", true);
destroydisk("source");
destroydisk("dest");
iorngdestroy();
}
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