1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # Run tests when all ephemeral ports are exhausted.
5 #
6 # Author: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
7
8 set +x
9 set -e
10
11 readonly NETNS="ns-$(mktemp -u XXXXXX)"
12
13 setup() {
14 ip netns add "${NETNS}"
15 ip -netns "${NETNS}" link set lo up
16 ip netns exec "${NETNS}" \
17 sysctl -w net.ipv4.ip_local_port_range="32768 32768" \
18 > /dev/null 2>&1
19 ip netns exec "${NETNS}" \
20 sysctl -w net.ipv4.ip_autobind_reuse=1 > /dev/null 2>&1
21 }
22
23 cleanup() {
24 ip netns del "${NETNS}"
25 }
26
27 trap cleanup EXIT
28 setup
29
30 do_test() {
31 ip netns exec "${NETNS}" ./reuseaddr_ports_exhausted
32 }
33
34 do_test
35 echo "tests done"
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