xemu/tests/qemu-iotests/083
Peter Maydell 7d983531c6 Revert "iotests: Use configured python"
This reverts commit f915db07ef.

This commit is broken because it does not account for the
build tree and the source tree being different, and can cause
build failures for out-of-tree builds. Revert it until we can
identify a better solution to the problem.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1400153676-30180-1-git-send-email-peter.maydell@linaro.org
Acked-by: Kevin Wolf <kwolf@redhat.com>
2014-05-15 13:41:19 +01:00

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#!/bin/bash
#
# Test NBD client unexpected disconnect
#
# Copyright Red Hat, Inc. 2014
#
# 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=stefanha@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt generic
_supported_proto nbd
_supported_os Linux
# Pick a TCP port based on our pid. This way multiple instances of this test
# can run in parallel without conflicting.
choose_tcp_port() {
echo $((($$ % 31744) + 1024)) # 1024 <= port < 32768
}
wait_for_tcp_port() {
while ! (netstat --tcp --listening --numeric | \
grep "$1.*0.0.0.0:\*.*LISTEN") 2>&1 >/dev/null; do
sleep 0.1
done
}
filter_nbd() {
# nbd.c error messages contain function names and line numbers that are prone
# to change. Message ordering depends on timing between send and receive
# callbacks sometimes, making them unreliable.
#
# Filter out the TCP port number since this changes between runs.
sed -e 's#^nbd.c:.*##g' \
-e 's#nbd:127.0.0.1:[^:]*:#nbd:127.0.0.1:PORT:#g'
}
check_disconnect() {
event=$1
when=$2
negotiation=$3
echo "=== Check disconnect $when $event ==="
echo
port=$(choose_tcp_port)
cat > "$TEST_DIR/nbd-fault-injector.conf" <<EOF
[inject-error]
event=$event
when=$when
EOF
if [ "$negotiation" = "--classic-negotiation" ]; then
extra_args=--classic-negotiation
nbd_url="nbd:127.0.0.1:$port"
else
nbd_url="nbd:127.0.0.1:$port:exportname=foo"
fi
./nbd-fault-injector.py $extra_args "127.0.0.1:$port" "$TEST_DIR/nbd-fault-injector.conf" 2>&1 >/dev/null &
wait_for_tcp_port "127.0.0.1:$port"
$QEMU_IO -c "read 0 512" "$nbd_url" 2>&1 | _filter_qemu_io | filter_nbd
echo
}
for event in neg1 "export" neg2 request reply data; do
for when in before after; do
check_disconnect "$event" "$when"
done
# Also inject short replies from the NBD server
case "$event" in
neg1)
for when in 8 16; do
check_disconnect "$event" "$when"
done
;;
"export")
for when in 4 12 16; do
check_disconnect "$event" "$when"
done
;;
neg2)
for when in 8 10; do
check_disconnect "$event" "$when"
done
;;
reply)
for when in 4 8; do
check_disconnect "$event" "$when"
done
;;
esac
done
# Also check classic negotiation without export information
for when in before 8 16 24 28 after; do
check_disconnect "neg-classic" "$when" --classic-negotiation
done
# success, all done
echo "*** done"
rm -f $seq.full
status=0