#!/bin/sh
pfctl='/sbin/pfctl'

if [ "$1" = "config" ]; then
    cat <<EOF
graph_title OpenBSD pf packets ipv4/ipv6
graph_vlabel packets numbers
graph_scale no
graph_category network
graph_args -l 0
graph_info OpenBSD pf packets ipv4/ipv6
EOF
    cat <<EOF
ipv4in.label ipv4 IN
ipv4in.min 0
ipv4in.type DERIVE
ipv4out.label ipv4 OUT
ipv4out.min 0
ipv4out.type DERIVE
ipv6in.label ipv6 IN
ipv6in.min 0
ipv6in.type DERIVE
ipv6out.label ipv6 OUT
ipv6out.min 0
ipv6out.type DERIVE
EOF
exit 0
fi
if [ "$1" = "autoconf" ]; then
    echo yes
    exit 0
fi

ipv4_in=$(/sbin/pfctl -si 2>/dev/null | grep 'Bytes In' | awk '{print $3}')
ipv6_in=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes In' | awk '{print $4}')
ipv4_out=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes Out' | awk '{print $3}')
ipv6_out=$(/sbin/pfctl -si 2>/dev/null  | grep 'Bytes Out' | awk '{print $4}')
echo "ipv4in.value $ipv4_in"
echo "ipv4out.value $ipv4_out"
echo "ipv6in.value $ipv6_in"
echo "ipv6out.value $ipv6_out"