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#!/usr/bin/env bash
set -e
LINE_SPACES=${LINE_SPACES:-48}
MYDIR="$(realpath "$(dirname ${0})")"
nDPId_test_EXEC="${2:-"$(realpath "${MYDIR}/../nDPId-test")"}"
NETCAT_EXEC="nc -q 0 -l 127.0.0.1 9000"
JSON_VALIDATOR="${3:-"$(realpath "${MYDIR}/../examples/py-schema-validation/py-schema-validation.py")"}"
SEMN_VALIDATOR="${3:-"$(realpath "${MYDIR}/../examples/py-semantic-validation/py-semantic-validation.py")"}"
if [ $# -ne 1 -a $# -ne 2 -a $# -ne 3 -a $# -ne 4 ]; then
cat <<EOF
usage: ${0} [path-to-nDPI-source-root] \\
[path-to-nDPId-test-exec] [path-to-nDPId-JSON-validator] [path-to-nDPId-SEMANTIC-validator]
path-to-nDPId-test-exec defaults to ${nDPId_test_EXEC}
path-to-nDPId-JSON-validator defaults to ${JSON_VALIDATOR}
path-to-nDPId-SEMANTIC-validator default to ${SEMN_VALIDATOR}
EOF
exit 2
fi
nDPI_SOURCE_ROOT="$(realpath "${1}")"
LOCKFILE="$(realpath "${0}").lock"
touch "${LOCKFILE}"
exec 42< "${LOCKFILE}"
flock -x -n 42 || {
printf '%s\n' "Could not aquire file lock for ${0}. Already running instance?" >&2;
exit 3;
}
function sighandler()
{
printf '%s\n' ' Received shutdown SIGNAL, bye' >&2
rm -f "${LOCKFILE}"
exit 4
}
trap sighandler SIGINT SIGTERM
if [ ! -x "${nDPId_test_EXEC}" ]; then
cat >&2 <<EOF
Required nDPId-test executable does not exist; ${nDPId_test_EXEC}
EOF
exit 5
fi
nc -h |& head -n1 | grep -qoE '^OpenBSD netcat' || {
printf '%s\n' "OpenBSD netcat (nc) version required!" >&2;
printf '%s\n' "Your version: $(nc -h |& head -n1)" >&2;
exit 6;
}
nDPI_TEST_DIR="${nDPI_SOURCE_ROOT}/tests/pcap"
cat <<EOF
nDPId-test......: ${nDPId_test_EXEC}
nDPI source root: ${nDPI_TEST_DIR}
--------------------------
-- nDPId PCAP diff tests --
--------------------------
EOF
cd "${nDPI_TEST_DIR}"
mkdir -p /tmp/nDPId-test-stderr
set +e
TESTS_FAILED=0
for pcap_file in $(ls *.pcap *.pcapng *.cap); do
if file "${pcap_file}" | grep -qoE ':\s(pcap|pcap-ng) capture file'; then
true # pass
else
continue
fi
printf '%s\n' "-- CMD: ${nDPId_test_EXEC} $(realpath "${pcap_file}")" \
>"/tmp/nDPId-test-stderr/${pcap_file}.out"
printf '%s\n' "-- OUT: ${MYDIR}/results/${pcap_file}.out" \
>>"/tmp/nDPId-test-stderr/${pcap_file}.out"
${nDPId_test_EXEC} "${pcap_file}" \
>"${MYDIR}/results/${pcap_file}.out.new" \
2>>"/tmp/nDPId-test-stderr/${pcap_file}.out"
printf "%-${LINE_SPACES}s\t" "${pcap_file}"
if [ $? -eq 0 ]; then
if [ ! -r "${MYDIR}/results/${pcap_file}.out" ]; then
printf '%s\n' '[NEW]'
mv -v "${MYDIR}/results/${pcap_file}.out.new" \
"${MYDIR}/results/${pcap_file}.out"
TESTS_FAILED=$((TESTS_FAILED + 1))
elif diff -u0 "${MYDIR}/results/${pcap_file}.out" \
"${MYDIR}/results/${pcap_file}.out.new" >/dev/null; then
printf '%s\n' '[OK]'
else
printf '%s\n' '[DIFF]'
diff -u0 "${MYDIR}/results/${pcap_file}.out" \
"${MYDIR}/results/${pcap_file}.out.new"
mv -v "${MYDIR}/results/${pcap_file}.out.new" \
"${MYDIR}/results/${pcap_file}.out"
TESTS_FAILED=$((TESTS_FAILED + 1))
fi
else
printf '%s\n' '[FAIL]'
printf '%s\n' '----------------------------------------'
printf '%s\n' "-- STDERR of ${pcap_file}: /tmp/nDPId-test-stderr/${pcap_file}.out"
cat "/tmp/nDPId-test-stderr/${pcap_file}.out"
TESTS_FAILED=$((TESTS_FAILED + 1))
fi
rm -f "${MYDIR}/results/${pcap_file}.out.new"
done
function validate_results()
{
prefix_str="${1}"
pcap_file="$(basename ${2})"
result_file="${3}"
validator_exec="${4}"
printf "${prefix_str} %-$((${LINE_SPACES} - ${#prefix_str}))s\t" "${pcap_file}"
printf '%s\n' "-- ${prefix_str}" >>"/tmp/nDPId-test-stderr/${pcap_file}.out"
if [ ! -r "${result_file}" ]; then
printf ' %s\n' '[MISSING]'
return 1
fi
cat "${result_file}" | ${NETCAT_EXEC} &
nc_pid=$!
printf '%s\n' "-- ${validator_exec}" >>"/tmp/nDPId-test-stderr/${pcap_file}.out"
${validator_exec} 2>>"/tmp/nDPId-test-stderr/${pcap_file}.out"
if [ $? -eq 0 ]; then
printf ' %s\n' '[OK]'
else
printf ' %s\n' '[FAIL]'
printf '%s\n' '----------------------------------------'
printf '%s\n' "-- STDERR of ${pcap_file}: /tmp/nDPId-test-stderr/${pcap_file}.out"
cat "/tmp/nDPId-test-stderr/${pcap_file}.out"
return 1
fi
kill -SIGTERM ${nc_pid} 2>/dev/null
wait ${nc_pid} 2>/dev/null
return 0
}
cat <<EOF
--------------------------------
-- SCHEMA/SEMANTIC Validation --
--------------------------------
netcat (OpenBSD) exec + args: ${NETCAT_EXEC}
EOF
cd "${MYDIR}"
for out_file in $(ls results/*.out); do
pcap_file="${nDPI_TEST_DIR}/$(basename ${out_file%.out})"
if [ ! -r "${pcap_file}" ]; then
printf "%-${LINE_SPACES}s\t%s\n" "$(basename ${pcap_file})" '[MISSING]'
TESTS_FAILED=$((TESTS_FAILED + 1))
else
validate_results "SCHEMA " "${pcap_file}" "${out_file}" \
"${JSON_VALIDATOR} --host 127.0.0.1 --port 9000"
if [ $? -ne 0 ]; then
TESTS_FAILED=$((TESTS_FAILED + 1))
continue
fi
validate_results "SEMANTIC" "${pcap_file}" "${out_file}" \
"${SEMN_VALIDATOR} --host 127.0.0.1 --port 9000 --strict"
if [ $? -ne 0 ]; then
TESTS_FAILED=$((TESTS_FAILED + 1))
continue
fi
fi
done
if [ ${TESTS_FAILED} -eq 0 ]; then
cat <<EOF
--------------------------
-- All tests succeeded. --
--------------------------
EOF
exit 0
else
cat <<EOF
*** ${TESTS_FAILED} tests failed. ***
EOF
exit 1
fi
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