#! /bin/sh
# anders@fupp.net

case $1 in
autoconf) echo yes;;
config)
	echo "graph_title IP Tables/NetFilter connections"
	echo "graph_category network"
	echo "graph_vlabel connections"
	echo "graph_info This graph shows the number of connections in IP Tables/NetFilter connection tracking table"
	echo "graph_args --base 1000 -l 0"
	echo "connections.label Connections"
	echo "connections.type GAUGE"
	echo "connections.graph yes"
	;;
*)
	printf "connections.value "
	if [ -f /proc/sys/net/ipv4/netfilter/ip_conntrack_count ]
	then
		cat /proc/sys/net/ipv4/netfilter/ip_conntrack_count
	else
		cat /proc/sys/net/netfilter/nf_conntrack_count
	fi
	;;
esac