69 lines
1.3 KiB
Bash
69 lines
1.3 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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NR_FILES=32768
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readonly NETNS="ns-$(mktemp -u XXXXXX)"
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# default values
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port=443
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addr_v6="2001:0db8:0:f101::1"
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addr_v4="10.8.8.8"
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use_v6=true
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addr=""
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usage() {
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echo "Usage: $0 [-6 | -4] [-p port] [-a address]"
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echo -e "\t6: use ipv6"
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echo -e "\t4: use ipv4"
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echo -e "\tport: Port number"
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echo -e "\taddress: ip address"
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}
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while getopts "ha:p:64" opt; do
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case ${opt} in
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h)
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usage $0
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exit 0
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;;
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a) addr=$OPTARG;;
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p)
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port=$OPTARG;;
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6)
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use_v6=true;;
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4)
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use_v6=false;;
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esac
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done
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setup() {
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ip netns add "${NETNS}"
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ip -netns "${NETNS}" link add veth0 type veth peer name veth1
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ip -netns "${NETNS}" link set lo up
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ip -netns "${NETNS}" link set veth0 up
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ip -netns "${NETNS}" link set veth1 up
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if [[ "$use_v6" == true ]]; then
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ip -netns "${NETNS}" addr add $addr_v6 nodad dev veth0
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else
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ip -netns "${NETNS}" addr add $addr_v4 dev lo
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fi
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}
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cleanup() {
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ip netns del "${NETNS}"
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}
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if [[ "$addr" != "" ]]; then
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addr_v4=$addr;
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addr_v6=$addr;
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fi
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setup
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if [[ "$use_v6" == true ]] ; then
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ip netns exec "${NETNS}" sh -c \
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"ulimit -n ${NR_FILES};./bind_bhash ${port} ipv6 ${addr_v6}"
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else
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ip netns exec "${NETNS}" sh -c \
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"ulimit -n ${NR_FILES};./bind_bhash ${port} ipv4 ${addr_v4}"
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fi
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cleanup
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