#!/bin/bash
#
# Test command line configuration of block devices and driver-specific options
#
# 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`
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 qcow2
_supported_proto file
_supported_os Linux

function do_run_qemu()
{
    echo Testing: "$@"
    (
        if ! test -t 0; then
            while read cmd; do
                echo $cmd
            done
        fi
        echo quit
    ) | $QEMU -nographic -monitor stdio -serial none "$@"
    echo
}

function run_qemu()
{
    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu
}

size=128M

_make_test_img $size
cp "$TEST_IMG" "$TEST_IMG.orig"
mv "$TEST_IMG" "$TEST_IMG.base"
_make_test_img -b "$TEST_IMG.base" $size

echo
echo === Unknown option ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=on
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=1234
run_qemu -drive file="$TEST_IMG",format=qcow2,unknown_opt=foo

echo
echo === Unknown protocol option ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=on
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=1234
run_qemu -drive file="$TEST_IMG",format=qcow2,file.unknown_opt=foo

echo
echo === Invalid format ===
echo

run_qemu -drive file="$TEST_IMG",format=foo
run_qemu -drive file="$TEST_IMG",driver=foo
run_qemu -drive file="$TEST_IMG",driver=raw,format=qcow2
run_qemu -drive file="$TEST_IMG",driver=qcow2,format=qcow2

echo
echo === Overriding backing file ===
echo

echo "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults

# Drivers that don't support backing files
run_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
run_qemu -drive file="$TEST_IMG",file.backing.driver=file,file.backing.filename="$TEST_IMG.orig"
run_qemu -drive file="$TEST_IMG",file.backing.driver=qcow2,file.backing.file.filename="$TEST_IMG.orig"

echo
echo === Enable and disable lazy refcounting on the command line, plus some invalid values ===
echo

run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=42
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=foo


echo
echo === With version 2 images enabling lazy refcounts must fail ===
echo

_make_test_img -ocompat=0.10 $size

run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=on
run_qemu -drive file="$TEST_IMG",format=qcow2,lazy-refcounts=off

echo
echo === No medium ===
echo

run_qemu -drive if=floppy
run_qemu -drive if=ide,media=cdrom
run_qemu -drive if=scsi,media=cdrom

run_qemu -drive if=ide
run_qemu -drive if=virtio
run_qemu -drive if=scsi

run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk

run_qemu -drive if=none,id=disk -device ide-drive,drive=disk
run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk

echo
echo === Read-only ===
echo

run_qemu -drive file="$TEST_IMG",if=floppy,readonly=on
run_qemu -drive file="$TEST_IMG",if=ide,media=cdrom,readonly=on
run_qemu -drive file="$TEST_IMG",if=scsi,media=cdrom,readonly=on

run_qemu -drive file="$TEST_IMG",if=ide,readonly=on
run_qemu -drive file="$TEST_IMG",if=virtio,readonly=on
run_qemu -drive file="$TEST_IMG",if=scsi,readonly=on

run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,drive=disk

run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-drive,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-disk,drive=disk
run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-hd,drive=disk

echo
echo === Cache modes ===
echo

# Cannot use the test image because cache=none might not work on the host FS
# Use cdrom so that we won't get errors about missing media

run_qemu -drive media=cdrom,cache=none
run_qemu -drive media=cdrom,cache=directsync
run_qemu -drive media=cdrom,cache=writeback
run_qemu -drive media=cdrom,cache=writethrough
run_qemu -drive media=cdrom,cache=unsafe
run_qemu -drive media=cdrom,cache=invalid_value

echo
echo === Specifying the protocol layer ===
echo

run_qemu -drive file="$TEST_IMG",file.driver=file
run_qemu -drive file="$TEST_IMG",file.driver=qcow2

echo
echo === Leaving out required options ===
echo

run_qemu -drive driver=file
run_qemu -drive driver=nbd
run_qemu -drive driver=raw
run_qemu -drive file.driver=file
run_qemu -drive file.driver=nbd
run_qemu -drive file.driver=raw
run_qemu -drive foo=bar

echo
echo === Specifying both an option and its legacy alias ===
echo

run_qemu -drive file="$TEST_IMG",iops=1234,throttling.iops-total=5678
run_qemu -drive file="$TEST_IMG",iops_rd=1234,throttling.iops-read=5678
run_qemu -drive file="$TEST_IMG",iops_wr=1234,throttling.iops-write=5678

run_qemu -drive file="$TEST_IMG",bps=1234,throttling.bps-total=5678
run_qemu -drive file="$TEST_IMG",bps_rd=1234,throttling.bps-read=5678
run_qemu -drive file="$TEST_IMG",bps_wr=1234,throttling.bps-write=5678

run_qemu -drive file="$TEST_IMG",iops_max=1234,throttling.iops-total-max=5678
run_qemu -drive file="$TEST_IMG",iops_rd_max=1234,throttling.iops-read-max=5678
run_qemu -drive file="$TEST_IMG",iops_wr_max=1234,throttling.iops-write-max=5678

run_qemu -drive file="$TEST_IMG",bps_max=1234,throttling.bps-total-max=5678
run_qemu -drive file="$TEST_IMG",bps_rd_max=1234,throttling.bps-read-max=5678
run_qemu -drive file="$TEST_IMG",bps_wr_max=1234,throttling.bps-write-max=5678

run_qemu -drive file="$TEST_IMG",iops_size=1234,throttling.iops-size=5678
run_qemu -drive file="$TEST_IMG",readonly=on,read-only=off

echo
echo === Parsing protocol from file name ===
echo

# Protocol strings are supposed to be parsed from traditional option strings,
# but not when using driver-specific options. We can distinguish them by the
# error message for non-existing files.

run_qemu -hda foo:bar
run_qemu -drive file=foo:bar
run_qemu -drive file.filename=foo:bar

run_qemu -hda "file:$TEST_IMG"
run_qemu -drive file="file:$TEST_IMG"
run_qemu -drive file.filename="file:$TEST_IMG"

echo
echo === Snapshot mode ===
echo

$QEMU_IO -c "write -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io

echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2,snapshot=on | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file.filename="$TEST_IMG",driver=qcow2 -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="file:$TEST_IMG",snapshot=on | _filter_qemu_io

# Opening a read-only file r/w with snapshot=on
chmod u-w "$TEST_IMG"
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG" -snapshot | _filter_qemu_io
echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io
chmod u+w "$TEST_IMG"

$QEMU_IO -c "read -P 0x11 0 4k" "$TEST_IMG" | _filter_qemu_io

echo 'qemu-io ide0-hd0 "write -P 0x22 0 4k"' | run_qemu -drive file="$TEST_IMG",snapshot=off | _filter_qemu_io

$QEMU_IO -c "read -P 0x22 0 4k" "$TEST_IMG" | _filter_qemu_io

echo -e 'qemu-io ide0-hd0 "write -P 0x33 0 4k"\ncommit ide0-hd0' | run_qemu -drive file="$TEST_IMG",snapshot=on | _filter_qemu_io

$QEMU_IO -c "read -P 0x33 0 4k" "$TEST_IMG" | _filter_qemu_io

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