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systemd/test/units/TEST-07-PID1.poll-limit.sh
Daan De Meyer 7a321b5a21 test: Rename testsuite-XX units to match test name
Having these named differently than the test itself mostly creates
unecessary confusion and makes writing logic against the tests harder
so let's rename the testsuite-xx units and scripts to just use the
test name itself.
2024-05-14 12:43:28 +02:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
systemd-analyze log-level debug
cat >/run/systemd/system/floodme@.service <<EOF
[Service]
ExecStart=true
EOF
cat >/run/systemd/system/floodme.socket <<EOF
[Socket]
ListenStream=/tmp/floodme
PollLimitIntervalSec=10s
Accept=yes
PollLimitBurst=3
EOF
systemctl daemon-reload
systemctl start floodme.socket
START=$(date +%s%N)
# Trigger this 100 times in a flood
for _ in {1..100}; do
logger -u /tmp/floodme foo &
done
# Let some time pass
sleep 5
END=$(date +%s%N)
PASSED=$((END-START))
# Calculate (round up) how many trigger events could have happened in the passed time
MAXCOUNT=$(((PASSED+10000000000)*3/10000000000))
# We started 100 connection attempts, but only 3 should have gone through, as per limit
test "$(systemctl show -P NAccepted floodme.socket)" -le "$MAXCOUNT"
systemctl stop floodme.socket floodme@*.service
rm /run/systemd/system/floodme@.service /run/systemd/system/floodme.socket /tmp/floodme
systemctl daemon-reload