#!/bin/bash
#
# Test automatic deletion of BDSes created by -drive/drive_add
#
# 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=kwolf@redhat.com

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

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

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

_supported_fmt qcow2
_supported_proto file
_supported_os Linux
# Because anything other than 16 would change the output of query-block
_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'

function do_run_qemu()
{
    echo Testing: "$@"
    $QEMU -nographic -qmp-pretty stdio -serial none "$@"
    echo
}

# Remove QMP events from (pretty-printed) output. Doesn't handle
# nested dicts correctly, but we don't get any of those in this test.
_filter_qmp_events()
{
    tr '\n' '\t' | sed -e \
	's/{\s*"timestamp":\s*{[^}]*},\s*"event":[^,}]*\(,\s*"data":\s*{[^}]*}\)\?\s*}\s*//g' \
	| tr '\t' '\n'
}

function run_qemu()
{
    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu \
                          | sed -e 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g' \
                          | _filter_generated_node_ids | _filter_qmp_events
}

size=128M

_make_test_img $size

echo
echo === -drive/-device and device_del ===
echo

run_qemu -drive file=$TEST_IMG,format=$IMGFMT,if=none,id=disk -device virtio-blk,drive=disk,id=virtio0 <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "query-block" }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF

echo
echo === -drive/device_add and device_del ===
echo

run_qemu -drive file=$TEST_IMG,format=$IMGFMT,if=none,id=disk <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "query-block" }
{ "execute": "device_add",
   "arguments": { "driver": "virtio-blk", "drive": "disk",
                  "id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF

echo
echo === drive_add/device_add and device_del ===
echo

run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "human-monitor-command",
  "arguments": { "command-line": "drive_add 0 file=$TEST_IMG,format=$IMGFMT,if=none,id=disk" } }
{ "execute": "query-block" }
{ "execute": "device_add",
   "arguments": { "driver": "virtio-blk", "drive": "disk",
                  "id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF

echo
echo === blockdev_add/device_add and device_del ===
echo

run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
  "arguments": {
      "options": {
        "driver": "$IMGFMT",
        "id": "disk",
        "file": {
            "driver": "file",
            "filename": "$TEST_IMG"
        }
      }
    }
  }
{ "execute": "query-block" }
{ "execute": "device_add",
   "arguments": { "driver": "virtio-blk", "drive": "disk",
                  "id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF

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