#!/bin/bash
#
# Test image locking for POSIX locks
#
# Copyright 2017 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=famz@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
. ./common.qemu

_supported_fmt qcow2
_supported_proto file
_supported_os Linux

size=32M

case "$QEMU_DEFAULT_MACHINE" in
  s390-ccw-virtio)
      virtioblk=virtio-blk-ccw
      ;;
  *)
      virtioblk=virtio-blk-pci
      ;;
esac

_make_test_img $size

echo "Starting QEMU"
_launch_qemu -drive file=$TEST_IMG,if=none,id=drive0,file.locking=on \
    -device $virtioblk,drive=drive0

echo
echo "Starting a second QEMU using the same image should fail"
echo 'quit' | $QEMU -nographic -monitor stdio \
    -drive file=$TEST_IMG,if=none,id=drive0,file.locking=on \
    -device $virtioblk,drive=drive0 2>&1 | _filter_testdir 2>&1 |
    _filter_qemu |
    sed -e '/falling back to POSIX file/d' \
        -e '/locks can be lost unexpectedly/d'

_cleanup_qemu

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