1 #!/bin/sh 2 3 ################################################################################ 4 ## ## 5 ## Copyright (c) International Business Machines Corp., 2005 ## 6 ## ## 7 ## This program is free software; you can redistribute it and#or modify ## 8 ## it under the terms of the GNU General Public License as published by ## 9 ## the Free Software Foundation; either version 2 of the License, or ## 10 ## (at your option) any later version. ## 11 ## ## 12 ## This program is distributed in the hope that it will be useful, but ## 13 ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 14 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 15 ## for more details. ## 16 ## ## 17 ## You should have received a copy of the GNU General Public License ## 18 ## along with this program; if not, write to the Free Software ## 19 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 20 ## ## 21 ## ## 22 ################################################################################ 23 # 24 # File: 25 # check_netem 26 # 27 # Description: 28 # Check the remote host has netem functionality 29 # 30 # Arguments: 31 # None 32 # 33 # Returns: 34 # 0: netem functionality is available 35 # 1: not avaialble 36 # 37 # Author: 38 # Mitsuru Chinen <mitch (at] jp.ibm.com> 39 # 40 # History: 41 # Oct 19 2005 - Created (Mitsuru Chinen) 42 # 43 #----------------------------------------------------------------------- 44 #Uncomment line below for debug output. 45 #trace_logic=${trace_logic:-"set -x"} 46 $trace_logic 47 48 # Make sure the value of LTPROOT 49 LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} 50 export LTPROOT 51 52 # Check the environmanet variable for the test 53 . check_envval || exit 1 54 55 # Check the tc command is available 56 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH which tc >/dev/null 2>&1 ; echo $?'` 57 if [ $ret -ne 0 ]; then 58 echo "The remote host does not have tc command" 59 exit 1 60 fi 61 62 # Check the netem functionality 63 ofile=`mktemp -p $TMPDIR` 64 $LTP_RSH $RHOST "PATH=/sbin:/usr/sbin:$PATH tc qdisc add dev eth0 root netem help" >$ofile 2>&1 65 grep -l "Usage:.*netem" $ofile >/dev/null 2>&1 66 if [ $? -ne 0 ]; then 67 echo "The remote host does not have netem functionality" 68 rm -f $ofile 69 exit 1 70 else 71 rm -f $ofile 72 exit 0 73 fi 74
