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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run tests when all ephemeral ports are exhausted.
#
# Author: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
set +x
set -e
readonly NETNS="ns-$(mktemp -u XXXXXX)"
setup() {
ip netns add "${NETNS}"
ip -netns "${NETNS}" link set lo up
ip netns exec "${NETNS}" \
sysctl -w net.ipv4.ip_local_port_range="32768 32768" \
> /dev/null 2>&1
ip netns exec "${NETNS}" \
sysctl -w net.ipv4.ip_autobind_reuse=1 > /dev/null 2>&1
}
cleanup() {
ip netns del "${NETNS}"
}
trap cleanup EXIT
setup
do_test() {
ip netns exec "${NETNS}" ./reuseaddr_ports_exhausted
}
do_test
echo "tests done"