3 # Test NBD client unexpected disconnect
5 # Copyright Red Hat, Inc. 2014
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 owner=stefanha@redhat.com
25 echo "QA output created by $seq"
29 status=1 # failure is the default!
31 # get standard environment, filters and checks
35 _supported_fmt generic
39 # Pick a TCP port based on our pid. This way multiple instances of this test
40 # can run in parallel without conflicting.
42 echo $((($$ % 31744) + 1024)) # 1024 <= port < 32768
46 while ! (netstat --tcp --listening --numeric | \
47 grep "$1.*0\\.0\\.0\\.0:\\*.*LISTEN") 2>&1 >/dev/null; do
53 # nbd.c error messages contain function names and line numbers that are prone
54 # to change. Message ordering depends on timing between send and receive
55 # callbacks sometimes, making them unreliable.
57 # Filter out the TCP port number since this changes between runs.
58 sed -e 's#^.*nbd\.c:.*##g' \
59 -e 's#nbd:127\.0\.0\.1:[^:]*:#nbd:127\.0\.0\.1:PORT:#g' \
60 -e 's#\(exportname=foo\|PORT\): Failed to .*$#\1#'
67 echo "=== Check disconnect $when $event ==="
70 port=$(choose_tcp_port)
72 cat > "$TEST_DIR/nbd-fault-injector.conf" <<EOF
78 if [ "$negotiation" = "--classic-negotiation" ]; then
79 extra_args=--classic-negotiation
80 nbd_url="nbd:127.0.0.1:$port"
82 nbd_url="nbd:127.0.0.1:$port:exportname=foo"
85 $PYTHON nbd-fault-injector.py $extra_args "127.0.0.1:$port" "$TEST_DIR/nbd-fault-injector.conf" 2>&1 >/dev/null &
86 wait_for_tcp_port "127\\.0\\.0\\.1:$port"
87 $QEMU_IO -c "read 0 512" "$nbd_url" 2>&1 | _filter_qemu_io | filter_nbd
92 for event in neg1 "export" neg2 request reply data; do
93 for when in before after; do
94 check_disconnect "$event" "$when"
97 # Also inject short replies from the NBD server
101 check_disconnect "$event" "$when"
105 for when in 4 12 16; do
106 check_disconnect "$event" "$when"
111 check_disconnect "$event" "$when"
116 check_disconnect "$event" "$when"
122 # Also check classic negotiation without export information
123 for when in before 8 16 24 28 after; do
124 check_disconnect "neg-classic" "$when" --classic-negotiation