#!/bin/sh | |
PIDFILE=/tmp/tcpdump.pid | |
TESTCASE=$1 | |
if [ "z$TTCN3_PCAP_PATH" = "z" ]; then | |
TTCN3_PCAP_PATH=/tmp | |
fi | |
if [ -e $PIDFILE ]; then | |
kill "$(cat "$PIDFILE")" | |
rm $PIDFILE | |
fi | |
# NOTE: This requires you to be root or something like | |
# "laforge ALL=NOPASSWD: /usr/sbin/tcpdump, /bin/kill" in your sudoers file | |
if [ "$(id -u)" = "0" ]; then | |
CMD=/usr/sbin/tcpdump | |
else | |
CMD="sudo /usr/sbin/tcpdump" | |
fi | |
$CMD -s 0 -n -i any -w "$TTCN3_PCAP_PATH/$TESTCASE.pcap" >/dev/null 2>&1 & | |
PID=$! | |
echo $PID > $PIDFILE |