1#!/bin/sh 2 3# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 4# Copyright (c) International Business Machines Corp., 2005 5# 6# This program is free software; you can redistribute it and/or 7# modify it under the terms of the GNU General Public License as 8# published by the Free Software Foundation; either version 2 of 9# the License, or (at your option) any later version. 10# 11# This program is distributed in the hope that it would be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program; if not, write the Free Software Foundation, 18# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19# 20# Author: Mitsuru Chinen <mitch@jp.ibm.com> 21# 22 23TCID="ssh_stress02_rmt" 24TST_TOTAL=1 25 26. test.sh 27 28# Check the arguments 29if [ $# -ne 5 ]; then 30 tst_brkm TBROK "Usage: $0 ipver rhost config connections duration" 31fi 32 33ip_ver="$1" 34server_ipaddr="$2" 35ssh_config="$3" 36connections="$4" 37duration="$5" 38 39ssh -$ip_ver -F $ssh_config $server_ipaddr \ 40 "true < /dev/null > /dev/null 2>&1" > /dev/null 41[ $? -ne 0 ] && tst_brkm TBROK "Failed to connect '$server_ipaddr'" 42 43start_epoc=$(date +%s) 44while true ; do 45 # Exit when the specified seconds have passed. 46 current_epoc=$(date +%s) 47 elapse_epoc=$(($current_epoc - $start_epoc)) 48 49 [ $elapse_epoc -ge $duration ] && break 50 51 # Do not make ssh connection over the specified quantity 52 ssh_num=$(jobs | wc -l) 53 if [ $ssh_num -ge $connections ]; then 54 sleep 1 55 continue; 56 fi 57 58 # specified wait time and login time 59 wait_sec=$(($(od -A n -d -N 1 /dev/random) * 3 / 255)) 60 login_sec=$(($(od -A n -d -N 1 /dev/random) * 10 / 255)) 61 62 # Login to the server 63 (sleep $wait_sec ; ssh -$ip_ver -F $ssh_config -l root $server_ipaddr \ 64 "sleep $login_sec < /dev/null > /dev/null 2>&1") > \ 65 /dev/null 2>&1 & 66done 67 68# wait for the finish of all process 69wait 70 71# Check the connectivity again 72ssh -$ip_ver -F $ssh_config $server_ipaddr \ 73 "true < /dev/null > /dev/null 2>&1" > /dev/null 74[ $? -ne 0 ] && tst_brkm TBROK "Failed to connect '$server_ipaddr'" 75 76tst_exit 77