#!/bin/bash
#
# Test VHDX log replay from an image with a journal that needs to be
# replayed
#
# Copyright (C) 2013 Red Hat, Inc.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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 <http://www.gnu.org/licenses/>.
#

# creator
owner=jcody@redhat.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
    _cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_supported_fmt vhdx
_supported_proto generic
_supported_os Linux

# With the log replayed, the pattern 0xa5 extends to 0xc025000
# If the log was not replayed, it would only extend to 0xc000000
#
# This image is a 10G dynamic image, with 4M block size, and 1 unplayed
# data sector in the log
#
# This image was created with qemu-img, however it was verified using
# Hyper-V to properly replay the logs and give the same post-replay
# image as qemu.
_use_sample_img iotest-dirtylog-10G-4M.vhdx.bz2

echo
echo "=== Verify open image read-only fails, due to dirty log ==="
$QEMU_IO -r -c "read -pP 0xa5 0 18M" "$TEST_IMG" 2>&1 | _filter_testdir \
                                                      | _filter_qemu_io

echo "=== Verify open image replays log  ==="
$QEMU_IO  -c "read -pP 0xa5 0 18M" "$TEST_IMG" | _filter_qemu_io

# extract fresh sample image again
_use_sample_img iotest-dirtylog-10G-4M.vhdx.bz2

echo "=== Verify qemu-img check -r all replays log  ==="
$QEMU_IMG check -r all "$TEST_IMG" 2>&1 | _filter_testdir | _filter_qemu

echo "=== Verify open image read-only succeeds after log replay ==="
$QEMU_IO -r -c "read -pP 0xa5 0 18M" "$TEST_IMG" 2>&1 | _filter_testdir \
                                                      | _filter_qemu_io

# success, all done
echo "*** done"
rm -f $seq.full
status=0