Blame tests/p_tcpdump/02_tcpdump_lo.sh
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Christoph Galuschka |
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#!/bin/sh
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# Author: Christoph Galuschka <tigalch@tigalch.org>
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# Athmane Madjoudj <athmanem@gmail.com>
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t_Log "Running $0 - TCPdump test to lo"
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#Dumping pings to loopback to file
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FILE='/var/tmp/lo_test.pcap'
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COUNT='4'
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tcpdump -q -n -p -i lo -w $FILE &
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# If we don't wait a short time, the first paket will be missed by tcpdump
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sleep 1
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ping -q -c $COUNT -i 0.25 127.0.0.1 > /dev/null 2>&1
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sleep 1
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killall -s SIGINT tcpdump
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sleep 1
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# reading from file, for each ping we should see two pakets
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WORKING=$( tcpdump -r $FILE | grep -ci icmp )
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if [ $WORKING == $[COUNT*2] ]
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then
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ret_val=0
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else
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t_Log "ping to loopback droped pakets!! This should not happen on loopback"
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ret_val=1
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fi
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# Remove file afterwards
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/bin/rm $FILE
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Athmane Madjoudj |
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t_CheckExitStatus $ret_val
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