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VILLASnode/tests/integration/pipe-loopback-socket-netem.sh
Steffen Vogel bc24676138 Use spaces for indention of shell scripts
Signed-off-by: Steffen Vogel <post@steffenvogel.de>
2024-02-29 23:18:47 +01:00

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#!/usr/bin/env bash
#
# Integration loopback test for villas pipe.
#
# Author: Steffen Vogel <post@steffenvogel.de>
# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
# SPDX-License-Identifier: Apache-2.0
if ! modprobe -aqn sch_prio sch_netem cls_fw; then
echo "Netem / TC kernel modules are missing"
exit 99
fi
if [[ "${EUID}" -ne 0 ]]; then
echo "Test requires root permissions"
exit 99
fi
set -e
DIR=$(mktemp -d)
pushd ${DIR}
function finish {
popd
rm -rf ${DIR}
}
trap finish EXIT
NUM_SAMPLES=${NUM_SAMPLES:-10}
cat > config.json << EOF
{
"nodes": {
"node1": {
"type" : "socket",
"format": "protobuf",
"in": {
"address": "*:12000"
},
"out": {
"address": "127.0.0.1:12000",
"netem": {
"enabled": true,
"delay": 100000,
"jitter": 30000,
"loss": 20
}
}
}
}
}
EOF
villas signal -l ${NUM_SAMPLES} -n random > input.dat
villas pipe -l ${NUM_SAMPLES} config.json node1 > output.dat < input.dat
# Check network emulation characteristics
villas hook -o verbose=true -o format=json stats < output.dat > /dev/null