rtpengine-stop-post

#! /bin/sh

# After systemd send kill signal to the rtpengine daemon,
# Wait 5 sec, then clean the iptables stuffs:
# 1- delete the forwarding table, 
# 2- delete the iptables rules related to rtpengine
# 3- Unload the kernel module xt_RTPENGINE
	
sleep 5

# Load the Table ID and delete the file that contains this ID
rtpengineTable="/etc/default/rtpengine-table"
. $rtpengineTable
rm -rf $rtpengineTable

# Check if the kernel module is loaded
MODEXIST=`/sbin/lsmod | grep "xt_RTPENGINE"`
if [ -z "$MODEXIST" ]; then
	exit 0
fi

# Delete the Table
if [ -e /proc/rtpengine/control ]; then
	echo "del $TABLE" > /proc/rtpengine/control 2>/dev/null
fi
	
iptables -D rtpengine -p udp -j RTPENGINE --id "$TABLE" 2>/dev/null       
iptables -D INPUT -j rtpengine 2> /dev/null
iptables -D rtpengine 2> /dev/null

# The same for ip6tables rules
ip6tables -D rtpengine -p udp -j RTPENGINE --id "$TABLE" 2>/dev/null
ip6tables -D INPUT -j rtpengine 2> /dev/null
ip6tables -D rtpengine 2> /dev/null

rmmod xt_RTPENGINE 2>/dev/null

exit 0