1#!/bin/sh 2# Copyright (c) 2015-2017 Oracle and/or its affiliates. All Rights Reserved. 3# Copyright (c) International Business Machines Corp., 2005 4# 5# This program is free software; you can redistribute it and/or 6# modify it under the terms of the GNU General Public License as 7# published by the Free Software Foundation; either version 2 of 8# the License, or (at your option) any later version. 9# 10# This program is distributed in the hope that it would be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; if not, write the Free Software Foundation, 17# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18# 19# Author: Mitsuru Chinen <mitch@jp.ibm.com> 20 21TCID=dns-stress01-rmt 22TST_TOTAL=1 23 24. dns-stress-lib.sh 25 26# Check the arguments 27if [ $# -ne 7 ]; then 28 tst_brkm TBROK "Usage: $0 ip_ver srv_ipaddr port domain \ 29min_id max_id connect_quantity" 30fi 31 32ip_ver="$1" 33srv_ipaddr="$2" 34port="$3" 35domain="$4" 36min_id="$5" 37max_id="$6" 38connect_quantity="$7" 39 40# Specify the record of dns accoring to the version of IP 41case $ip_ver in 424) 43 record="A" ;; 446) 45 record="AAAA" ;; 46*) 47 tst_brkm TBROK "$ver_opt is unknown IP version" ;; 48esac 49 50# Check the connectivity first 51dig @$srv_ipaddr -p $port node${min_id}.${domain} $record > ans.log 2>&1 || \ 52 tst_brkm TBROK "Failed to connect $srv_ipaddr" 53dns_check_answer ans.log 54 55# Loop for a large number of name lookup queries 56num=0 57id=$min_id 58while [ $num -lt $connect_quantity ]; do 59 dig @$srv_ipaddr -p $port node${id}.${domain} $record \ 60 > /dev/null || break 61 id=$(($id + 1)) 62 [ $id -gt $max_id ] && id=$min_id 63 num=$(($num + 1)) 64done 65 66# Check the connectivity again 67dig @$srv_ipaddr -p $port node${id}.${domain} $record > ans.log 2>&1 || \ 68 tst_brkm TBROK "Failed to connect $srv_ipaddr" 69dns_check_answer ans.log 70 71dns_check_send_requests 72 73tst_exit 74