#!/usr/bin/bash

DIR=${1:-"$LOG_CONN_DIR"}
SUB_DIR=${2:-$(date "+%y%m%d")}
DIR="$DIR/$SUB_DIR"
NAME=${2:-"dflt"}
NAME=$(echo $(date +"%y%m%d")-$(date +"%T").$NAME | sed "s/:/_/g")
FILE=$DIR/$NAME

echo "File at $FILE"
if [ "$#" -lt 1 ] ; then
	echo "usage $0 filename"
	echo "File at $FILE"
	exit 1 
fi

mkdir -p $DIR

echo "File at $FILE"

#DEVICE=$(ip addr | grep -v DOWN | grep -E "^[0-9]" | awk -F':' '{print $2}' | grep -v lo)
#NB_DEVICES="$(echo ${DEVICE} | awk '{print NF}')"
#
#if [ $NB_DEVICES -lt "1" ] ; then
#	echo no device
#	echo $DEVICE
#	exit 1
#elif [ $NB_DEVICES -gt "1" ] ; then
#	echo several devices, precise it using '$2':
#	echo $DEVICE
#	exit 1
#fi

echo 'DEVICE='$DEVICE
echo 

tcpdump -n | tee -a $FILE.log
tcpdump -w $FILE.pcap

exit 1