| #!/bin/bash | |
| # SPDX-License-Identifier: GPL-2.0 | |
| NR_FILES=32768 | |
| SAVED_NR_FILES=$(ulimit -n) | |
| # default values | |
| port=443 | |
| addr_v6="2001:0db8:0:f101::1" | |
| addr_v4="10.8.8.8" | |
| use_v6=true | |
| addr="" | |
| usage() { | |
| echo "Usage: $0 [-6 | -4] [-p port] [-a address]" | |
| echo -e "\t6: use ipv6" | |
| echo -e "\t4: use ipv4" | |
| echo -e "\tport: Port number" | |
| echo -e "\taddress: ip address" | |
| } | |
| while getopts "ha:p:64" opt; do | |
| case ${opt} in | |
| h) | |
| usage $0 | |
| exit 0 | |
| ;; | |
| a) addr=$OPTARG;; | |
| p) | |
| port=$OPTARG;; | |
| 6) | |
| use_v6=true;; | |
| 4) | |
| use_v6=false;; | |
| esac | |
| done | |
| setup() { | |
| if [[ "$use_v6" == true ]]; then | |
| ip addr add $addr_v6 nodad dev eth0 | |
| else | |
| ip addr add $addr_v4 dev lo | |
| fi | |
| ulimit -n $NR_FILES | |
| } | |
| cleanup() { | |
| if [[ "$use_v6" == true ]]; then | |
| ip addr del $addr_v6 dev eth0 | |
| else | |
| ip addr del $addr_v4/32 dev lo | |
| fi | |
| ulimit -n $SAVED_NR_FILES | |
| } | |
| if [[ "$addr" != "" ]]; then | |
| addr_v4=$addr; | |
| addr_v6=$addr; | |
| fi | |
| setup | |
| if [[ "$use_v6" == true ]] ; then | |
| ./bind_bhash $port "ipv6" $addr_v6 | |
| else | |
| ./bind_bhash $port "ipv4" $addr_v4 | |
| fi | |
| cleanup |