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#!/usr/bin/env bash
#
# Test terminating an smbclient connection with outstanding
# aio requests.
#
# Note this is designed to be run against
# the aio_delay_inject share which is preconfigured
# with 2 second delays on pread/pwrite.
if [ $# -lt 4 ]; then
echo Usage: test_aio_outstanding.sh \
SERVERCONFFILE SMBCLIENT IP aio_delay_inject_sharename
exit 1
fi
CONF=$1
SMBCLIENT=$2
SERVER=$3
SHARE=$4
# Do not let deprecated option warnings muck this up
SAMBA_DEPRECATED_SUPPRESS=1
export SAMBA_DEPRECATED_SUPPRESS
incdir=$(dirname $0)/../../../testprogs/blackbox
. $incdir/subunit.sh
failed=0
cd $SELFTEST_TMPDIR || exit 1
#
# Note if we already have any panics in the smbd log.
#
panic_count_0=$(grep -c PANIC $SMBD_TEST_LOG)
# Create the smbclient communication pipes.
rm -f smbclient-stdin smbclient-stdout smbclient-stderr
mkfifo smbclient-stdin smbclient-stdout smbclient-stderr
# Create a large-ish testfile
rm aio_outstanding_testfile
head -c 20MB /dev/zero >aio_outstanding_testfile
CLI_FORCE_INTERACTIVE=1
export CLI_FORCE_INTERACTIVE
${SMBCLIENT} //${SERVER}/${SHARE} ${CONF} -U${USER}%${PASSWORD} \
<smbclient-stdin >smbclient-stdout 2>smbclient-stderr &
CLIENT_PID=$!
sleep 1
exec 100>smbclient-stdin 101<smbclient-stdout 102<smbclient-stderr
# consume the smbclient startup messages
head -n 1 <&101
# Ensure we're putting a fresh file.
echo "del aio_outstanding_testfile" >&100
echo "put aio_outstanding_testfile" >&100
sleep 2
# Terminate the smbclient write to the aio_delay_inject share whilst
# we have outstanding writes.
kill $CLIENT_PID
sleep 1
# Ensure the panic count didn't change.
#
# BUG: https://bugzilla.samba.org/show_bug.cgi?id=14301
#
panic_count_1=$(grep -c PANIC $SMBD_TEST_LOG)
# Rerun smbclient to remove the testfile on the server.
rm -f smbclient-stdin smbclient-stdout smbclient-stderr aio_outstanding_testfile
mkfifo smbclient-stdin smbclient-stdout
${SMBCLIENT} //${SERVER}/${SHARE} ${CONF} -U${USER}%${PASSWORD} \
<smbclient-stdin >smbclient-stdout &
sleep 1
exec 100>smbclient-stdin 101<smbclient-stdout
echo "del aio_outstanding_testfile" >&100
echo "exit" >&100
sleep 2
rm -f smbclient-stdin smbclient-stdout aio_outstanding_testfile
testit "check_panic" test $panic_count_0 -eq $panic_count_1 ||
failed=$(expr $failed + 1)
testok $0 $failed
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