mirror of
https://github.com/morgan9e/systemd
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5c60d3011f
We passes log level through kernel command line. It is not necessary to set to debug level at the beginning, and set to info at the end. This is important when a test has several subtests. If a subtest sets log level to info at the end, then subsequent tests may not generate any useful logs.
47 lines
1010 B
Bash
Executable File
47 lines
1010 B
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -eux
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set -o pipefail
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cat >/run/systemd/system/floodme@.service <<EOF
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[Service]
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ExecStart=true
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EOF
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cat >/run/systemd/system/floodme.socket <<EOF
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[Socket]
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ListenStream=/tmp/floodme
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PollLimitIntervalSec=10s
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Accept=yes
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PollLimitBurst=3
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EOF
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systemctl daemon-reload
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systemctl start floodme.socket
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START=$(date +%s%N)
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# Trigger this 100 times in a flood
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for _ in {1..100}; do
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logger -u /tmp/floodme foo &
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done
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# Let some time pass
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sleep 5
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END=$(date +%s%N)
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PASSED=$((END-START))
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# Calculate (round up) how many trigger events could have happened in the passed time
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MAXCOUNT=$(((PASSED+10000000000)*3/10000000000))
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# We started 100 connection attempts, but only 3 should have gone through, as per limit
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test "$(systemctl show -P NAccepted floodme.socket)" -le "$MAXCOUNT"
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systemctl stop floodme.socket floodme@*.service
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rm /run/systemd/system/floodme@.service /run/systemd/system/floodme.socket /tmp/floodme
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systemctl daemon-reload
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