-#!/bin/bash
+#!/usr/bin/env bash
#
# This allows for launching of multiple QEMU instances, with independent
# communication possible to each instance.
QEMU_COMM_TIMEOUT=10
-QEMU_FIFO_IN="${TEST_DIR}/qmp-in-$$"
-QEMU_FIFO_OUT="${TEST_DIR}/qmp-out-$$"
+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.
#
# If $silent is set to anything but an empty string, then
# response is not echoed out.
-function _timed_wait_for()
+# If $mismatch_only is set, only non-matching responses will
+# be echoed.
+#
+# 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
- while read -t ${QEMU_COMM_TIMEOUT} resp <&${QEMU_OUT[$h]}
+ while IFS= read -t ${QEMU_COMM_TIMEOUT} resp <&${QEMU_OUT[$h]}
do
- if [ -z "${silent}" ]; then
+ if [ -z "${silent}" ] && [ -z "${mismatch_only}" ]; then
echo "${resp}" | _filter_testdir | _filter_qemu \
- | _filter_qemu_io | _filter_qmp
+ | _filter_qemu_io | _filter_qmp | _filter_hmp
fi
- grep -q "${*}" < <(echo ${resp})
+ if [ -n "${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
- echo "Timeout waiting for ${*} on handle ${h}"
- exit 1 # Timeout means the test failed
+ if [ -n "${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
}
# 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.
-function _send_qemu_cmd()
+#
+# 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
use_error="no"
fi
# This array element extraction is done to accommodate pathnames with spaces
- cmd=${@: 1:${#@}-1}
- shift $(($# - 1))
+ if [ -z "${success_or_failure}" ]; then
+ cmd=${@: 1:${#@}-1}
+ shift $(($# - 1))
+ else
+ cmd=${@: 1:${#@}-2}
+ shift $(($# - 2))
+ fi
while [ ${count} -gt 0 ]
do
echo "${cmd}" >&${QEMU_IN[${h}]}
if [ -n "${1}" ]; then
- qemu_error_no_exit=${use_error} _timed_wait_for ${h} "${1}"
+ 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
# $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:
# $QEMU_HANDLE: set to a handle value to communicate with this QEMU instance.
#
-function _launch_qemu()
+_launch_qemu()
{
local comm=
local fifo_out=
comm="-monitor stdio"
else
local qemu_comm_method="qmp"
- comm="-monitor none -qmp stdio"
+ if [ "$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}
mkfifo "${fifo_out}"
mkfifo "${fifo_in}"
- QEMU_NEED_PID='y'\
- ${QEMU} -nographic -serial none ${comm} -machine accel=qtest "${@}" \
- >"${fifo_out}" \
- 2>&1 \
- <"${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
# 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++
}
-# Silenty kills the QEMU process
+# 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
# $wait is empty, the process will be killed and all output will be suppressed.
-function _cleanup_qemu()
+_cleanup_qemu()
{
# QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
for i in "${!QEMU_OUT[@]}"
do
local QEMU_PID
- if [ -f "${TEST_DIR}/qemu-${i}.pid" ]; then
- read QEMU_PID < "${TEST_DIR}/qemu-${i}.pid"
- rm -f "${TEST_DIR}/qemu-${i}.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 ${QEMU_PID} 2>/dev/null
fi
if [ -n "${wait}" ]; then
cat <&${QEMU_OUT[$i]} | _filter_testdir | _filter_qemu \
- | _filter_qemu_io | _filter_qmp
+ | _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
}