| #!/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 |
