mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 04:06:46 +00:00
4d14db0468
Remove read timer in test script when GDB_OPTIONS are set, so that the bash tests won't timeout while running gdb. The only limitation here is that running a script with gdbserver will make the test output mismatch with the expected results, making the test fail. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-Id: <20210809090114.64834-9-eesposit@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
407 lines
12 KiB
Bash
407 lines
12 KiB
Bash
#!/usr/bin/env bash
|
|
#
|
|
# This allows for launching of multiple QEMU instances, with independent
|
|
# communication possible to each instance.
|
|
#
|
|
# Each instance can choose, at launch, to use either the QMP or the
|
|
# HMP (monitor) interface.
|
|
#
|
|
# All instances are cleaned up via _cleanup_qemu, including killing the
|
|
# running qemu instance.
|
|
#
|
|
# Copyright (C) 2014 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/>.
|
|
#
|
|
|
|
QEMU_COMM_TIMEOUT=10
|
|
|
|
QEMU_FIFO_IN="${QEMU_TEST_DIR}/qmp-in-$$"
|
|
QEMU_FIFO_OUT="${QEMU_TEST_DIR}/qmp-out-$$"
|
|
|
|
QEMU_HANDLE=0
|
|
export _QEMU_HANDLE=0
|
|
|
|
# If bash version is >= 4.1, these will be overwritten and dynamic
|
|
# file descriptor values assigned.
|
|
_out_fd=3
|
|
_in_fd=4
|
|
|
|
# Wait for expected QMP response from QEMU. Will time out
|
|
# after 10 seconds, which counts as failure.
|
|
#
|
|
# Override QEMU_COMM_TIMEOUT for a timeout different than the
|
|
# default 10 seconds
|
|
#
|
|
# $1: The handle to use
|
|
# $2+ All remaining arguments comprise the string to search for
|
|
# in the response.
|
|
#
|
|
# If $silent is set to anything but an empty string, then
|
|
# response is not echoed out.
|
|
# If $mismatch_only is set, only non-matching responses will
|
|
# be echoed.
|
|
#
|
|
# If $capture_events is non-empty, then any QMP event names it lists
|
|
# will not be echoed out, but instead collected in the $QEMU_EVENTS
|
|
# variable. The _wait_event function can later be used to receive
|
|
# the cached events.
|
|
#
|
|
# If $only_capture_events is set to anything but an empty string,
|
|
# then an error will be raised if a QMP message is seen which is
|
|
# not an event listed in $capture_events.
|
|
#
|
|
# If $success_or_failure is set, the meaning of the arguments is
|
|
# changed as follows:
|
|
# $2: A string to search for in the response; if found, this indicates
|
|
# success and ${QEMU_STATUS[$1]} is set to 0.
|
|
# $3: A string to search for in the response; if found, this indicates
|
|
# failure and the test is either aborted (if $qemu_error_no_exit
|
|
# is not set) or ${QEMU_STATUS[$1]} is set to -1 (otherwise).
|
|
_timed_wait_for()
|
|
{
|
|
local h=${1}
|
|
shift
|
|
|
|
if [ -z "${success_or_failure}" ]; then
|
|
success_match=${*}
|
|
failure_match=
|
|
else
|
|
success_match=${1}
|
|
failure_match=${2}
|
|
fi
|
|
|
|
timeout=yes
|
|
|
|
QEMU_STATUS[$h]=0
|
|
read_timeout="-t ${QEMU_COMM_TIMEOUT}"
|
|
if [ -n "${GDB_OPTIONS}" ]; then
|
|
read_timeout=
|
|
fi
|
|
|
|
while IFS= read ${read_timeout} resp <&${QEMU_OUT[$h]}
|
|
do
|
|
if [ -n "$capture_events" ]; then
|
|
capture=0
|
|
local evname
|
|
for evname in $capture_events
|
|
do
|
|
case ${resp} in
|
|
*\"event\":\ \"${evname}\"* ) capture=1 ;;
|
|
esac
|
|
done
|
|
if [ $capture = 1 ];
|
|
then
|
|
ev=$(echo "${resp}" | tr -d '\r' | tr % .)
|
|
QEMU_EVENTS="${QEMU_EVENTS:+${QEMU_EVENTS}%}${ev}"
|
|
if [ -n "$only_capture_events" ]; then
|
|
return
|
|
else
|
|
continue
|
|
fi
|
|
fi
|
|
fi
|
|
if [ -n "$only_capture_events" ]; then
|
|
echo "Only expected $capture_events but got ${resp}"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "${silent}" ] && [ -z "${mismatch_only}" ]; then
|
|
echo "${resp}" | _filter_testdir | _filter_qemu \
|
|
| _filter_qemu_io | _filter_qmp | _filter_hmp
|
|
fi
|
|
if [ -n "${failure_match}" ]; then
|
|
grep -q "${failure_match}" < <(echo "${resp}")
|
|
if [ $? -eq 0 ]; then
|
|
timeout=
|
|
break
|
|
fi
|
|
fi
|
|
grep -q "${success_match}" < <(echo "${resp}")
|
|
if [ $? -eq 0 ]; then
|
|
return
|
|
fi
|
|
if [ -z "${silent}" ] && [ -n "${mismatch_only}" ]; then
|
|
echo "${resp}" | _filter_testdir | _filter_qemu \
|
|
| _filter_qemu_io | _filter_qmp | _filter_hmp
|
|
fi
|
|
|
|
done
|
|
QEMU_STATUS[$h]=-1
|
|
if [ -z "${qemu_error_no_exit}" ]; then
|
|
if [ -n "${timeout}" ]; then
|
|
echo "Timeout waiting for ${success_match} on handle ${h}"
|
|
else
|
|
echo "Wrong response matching ${failure_match} on handle ${h}"
|
|
fi
|
|
exit 1 # Timeout or wrong match mean the test failed
|
|
fi
|
|
}
|
|
|
|
|
|
# Sends QMP or HMP command to QEMU, and waits for the expected response
|
|
#
|
|
# $1: QEMU handle to use
|
|
# $2: String of the QMP command to send
|
|
# ${@: -1} (Last string passed)
|
|
# String that the QEMU response should contain. If it is a null
|
|
# string, do not wait for a response
|
|
#
|
|
# Set qemu_cmd_repeat to the number of times to repeat the cmd
|
|
# until either timeout, or a response. If it is not set, or <=0,
|
|
# then the command is only sent once.
|
|
#
|
|
# If neither $silent nor $mismatch_only is set, and $cmd begins with '{',
|
|
# echo the command before sending it the first time.
|
|
#
|
|
# If $qemu_error_no_exit is set, then even if the expected response
|
|
# is not seen, we will not exit. $QEMU_STATUS[$1] will be set it -1 in
|
|
# that case.
|
|
#
|
|
# If $success_or_failure is set, then the last two strings are the
|
|
# strings the response will be scanned for. The first of the two
|
|
# indicates success, the latter indicates failure. Failure is handled
|
|
# like a timeout.
|
|
_send_qemu_cmd()
|
|
{
|
|
local h=${1}
|
|
local count=1
|
|
local cmd=
|
|
local use_error=${qemu_error_no_exit}
|
|
shift
|
|
|
|
if [ ${qemu_cmd_repeat} -gt 0 ] 2>/dev/null; then
|
|
count=${qemu_cmd_repeat}
|
|
use_error="no"
|
|
fi
|
|
|
|
cmd=$1
|
|
shift
|
|
|
|
# Display QMP being sent, but not HMP (since HMP already echoes its
|
|
# input back to output); decide based on leading '{'
|
|
if [ -z "$silent" ] && [ -z "$mismatch_only" ] &&
|
|
[ "$cmd" != "${cmd#\{}" ]; then
|
|
echo "${cmd}" | _filter_testdir | _filter_imgfmt
|
|
fi
|
|
while [ ${count} -gt 0 ]
|
|
do
|
|
echo "${cmd}" >&${QEMU_IN[${h}]}
|
|
if [ -n "${1}" ]; then
|
|
if [ -z "${success_or_failure}" ]; then
|
|
qemu_error_no_exit=${use_error} _timed_wait_for ${h} "${1}"
|
|
else
|
|
qemu_error_no_exit=${use_error} _timed_wait_for ${h} "${1}" "${2}"
|
|
fi
|
|
if [ ${QEMU_STATUS[$h]} -eq 0 ]; then
|
|
return
|
|
fi
|
|
fi
|
|
let count--;
|
|
done
|
|
if [ ${QEMU_STATUS[$h]} -ne 0 ] && [ -z "${qemu_error_no_exit}" ]; then
|
|
echo "Timeout waiting for command ${1} response on handle ${h}"
|
|
exit 1 #Timeout means the test failed
|
|
fi
|
|
}
|
|
|
|
|
|
# Check event cache for a named QMP event
|
|
#
|
|
# Input parameters:
|
|
# $1: Name of the QMP event to check for
|
|
#
|
|
# Checks if the named QMP event that was previously captured
|
|
# into $QEMU_EVENTS. When matched, the QMP event will be echoed
|
|
# and the $matched variable set to 1.
|
|
#
|
|
# _wait_event is more suitable for test usage in most cases
|
|
_check_cached_events()
|
|
{
|
|
local evname=${1}
|
|
|
|
local match="\"event\": \"$evname\""
|
|
|
|
matched=0
|
|
if [ -n "$QEMU_EVENTS" ]; then
|
|
CURRENT_QEMU_EVENTS=$QEMU_EVENTS
|
|
QEMU_EVENTS=
|
|
old_IFS=$IFS
|
|
IFS="%"
|
|
for ev in $CURRENT_QEMU_EVENTS
|
|
do
|
|
grep -q "$match" < <(echo "${ev}")
|
|
if [ $? -eq 0 ] && [ $matched = 0 ]; then
|
|
echo "${ev}" | _filter_testdir | _filter_qemu \
|
|
| _filter_qemu_io | _filter_qmp | _filter_hmp
|
|
matched=1
|
|
else
|
|
QEMU_EVENTS="${QEMU_EVENTS:+${QEMU_EVENTS}%}${ev}"
|
|
fi
|
|
done
|
|
IFS=$old_IFS
|
|
fi
|
|
}
|
|
|
|
# Wait for a named QMP event
|
|
#
|
|
# Input parameters:
|
|
# $1: QEMU handle to use
|
|
# $2: Name of the QMP event to wait for
|
|
#
|
|
# Checks if the named QMP even was previously captured
|
|
# into $QEMU_EVENTS. If none are present, then waits for the
|
|
# event to arrive on the QMP channel. When matched, the QMP
|
|
# event will be echoed
|
|
_wait_event()
|
|
{
|
|
local h=${1}
|
|
local evname=${2}
|
|
|
|
while true
|
|
do
|
|
_check_cached_events $evname
|
|
|
|
if [ $matched = 1 ];
|
|
then
|
|
return
|
|
fi
|
|
|
|
only_capture_events=1 qemu_error_no_exit=1 _timed_wait_for ${h}
|
|
|
|
if [ ${QEMU_STATUS[$h]} -ne 0 ] ; then
|
|
echo "Timeout waiting for event ${evname} on handle ${h}"
|
|
exit 1 #Timeout means the test failed
|
|
fi
|
|
done
|
|
}
|
|
|
|
# Launch a QEMU process.
|
|
#
|
|
# Input parameters:
|
|
# $qemu_comm_method: set this variable to 'monitor' (case insensitive)
|
|
# to use the QEMU HMP monitor for communication.
|
|
# Otherwise, the default of QMP is used.
|
|
# $qmp_pretty: Set this variable to 'y' to enable QMP pretty printing.
|
|
# $keep_stderr: Set this variable to 'y' to keep QEMU's stderr output on stderr.
|
|
# If this variable is empty, stderr will be redirected to stdout.
|
|
# Returns:
|
|
# $QEMU_HANDLE: set to a handle value to communicate with this QEMU instance.
|
|
#
|
|
_launch_qemu()
|
|
{
|
|
local comm=
|
|
local fifo_out=
|
|
local fifo_in=
|
|
|
|
if (shopt -s nocasematch; [[ "${qemu_comm_method}" == "monitor" ]])
|
|
then
|
|
comm="-monitor stdio"
|
|
else
|
|
local qemu_comm_method="qmp"
|
|
if [ "$qmp_pretty" = "y" ]; then
|
|
comm="-monitor none -qmp-pretty stdio"
|
|
else
|
|
comm="-monitor none -qmp stdio"
|
|
fi
|
|
fi
|
|
|
|
fifo_out=${QEMU_FIFO_OUT}_${_QEMU_HANDLE}
|
|
fifo_in=${QEMU_FIFO_IN}_${_QEMU_HANDLE}
|
|
mkfifo "${fifo_out}"
|
|
mkfifo "${fifo_in}"
|
|
|
|
object_options=
|
|
if [ -n "$IMGKEYSECRET" ]; then
|
|
object_options="--object secret,id=keysec0,data=$IMGKEYSECRET"
|
|
fi
|
|
|
|
if [ -z "$keep_stderr" ]; then
|
|
QEMU_NEED_PID='y'\
|
|
${QEMU} ${object_options} -nographic -serial none ${comm} "${@}" >"${fifo_out}" \
|
|
2>&1 \
|
|
<"${fifo_in}" &
|
|
elif [ "$keep_stderr" = "y" ]; then
|
|
QEMU_NEED_PID='y'\
|
|
${QEMU} ${object_options} -nographic -serial none ${comm} "${@}" >"${fifo_out}" \
|
|
<"${fifo_in}" &
|
|
else
|
|
exit 1
|
|
fi
|
|
|
|
if [[ "${BASH_VERSINFO[0]}" -ge "5" ||
|
|
("${BASH_VERSINFO[0]}" -ge "4" && "${BASH_VERSINFO[1]}" -ge "1") ]]
|
|
then
|
|
# bash >= 4.1 required for automatic fd
|
|
exec {_out_fd}<"${fifo_out}"
|
|
exec {_in_fd}>"${fifo_in}"
|
|
else
|
|
let _out_fd++
|
|
let _in_fd++
|
|
eval "exec ${_out_fd}<'${fifo_out}'"
|
|
eval "exec ${_in_fd}>'${fifo_in}'"
|
|
fi
|
|
|
|
QEMU_OUT[${_QEMU_HANDLE}]=${_out_fd}
|
|
QEMU_IN[${_QEMU_HANDLE}]=${_in_fd}
|
|
QEMU_STATUS[${_QEMU_HANDLE}]=0
|
|
|
|
if [ "${qemu_comm_method}" == "qmp" ]
|
|
then
|
|
# Don't print response, since it has version information in it
|
|
silent=yes _timed_wait_for ${_QEMU_HANDLE} "capabilities"
|
|
if [ "$qmp_pretty" = "y" ]; then
|
|
silent=yes _timed_wait_for ${_QEMU_HANDLE} "^}"
|
|
fi
|
|
fi
|
|
QEMU_HANDLE=${_QEMU_HANDLE}
|
|
let _QEMU_HANDLE++
|
|
}
|
|
|
|
|
|
# Silently kills the QEMU process
|
|
#
|
|
# If $wait is set to anything other than the empty string, the process will not
|
|
# be killed but only waited for, and any output will be forwarded to stdout. If
|
|
# $wait is empty, the process will be killed and all output will be suppressed.
|
|
_cleanup_qemu()
|
|
{
|
|
# QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
|
|
for i in "${!QEMU_OUT[@]}"
|
|
do
|
|
local QEMU_PID
|
|
if [ -f "${QEMU_TEST_DIR}/qemu-${i}.pid" ]; then
|
|
read QEMU_PID < "${QEMU_TEST_DIR}/qemu-${i}.pid"
|
|
rm -f "${QEMU_TEST_DIR}/qemu-${i}.pid"
|
|
if [ -z "${wait}" ] && [ -n "${QEMU_PID}" ]; then
|
|
kill -KILL ${QEMU_PID} 2>/dev/null
|
|
fi
|
|
if [ -n "${QEMU_PID}" ]; then
|
|
wait ${QEMU_PID} 2>/dev/null # silent kill
|
|
fi
|
|
fi
|
|
|
|
if [ -n "${wait}" ]; then
|
|
cat <&${QEMU_OUT[$i]} | _filter_testdir | _filter_qemu \
|
|
| _filter_qemu_io | _filter_qmp | _filter_hmp
|
|
fi
|
|
rm -f "${QEMU_FIFO_IN}_${i}" "${QEMU_FIFO_OUT}_${i}"
|
|
eval "exec ${QEMU_IN[$i]}<&-" # close file descriptors
|
|
eval "exec ${QEMU_OUT[$i]}<&-"
|
|
|
|
unset QEMU_IN[$i]
|
|
unset QEMU_OUT[$i]
|
|
done
|
|
}
|