#!/bin/bash

RRDTOOL=/usr/bin/rrdtool
STATSDIR=/var/www/wan-stats

fnd_rtt()
{
	# min=$7, avg=$8, max=$9
	RTT=$( ping -c5 $1 | grep rtt | sed -e 's/\// /g' | awk '{print $7}' )
	if [ ! $RTT ]
	then
		RTT=0
	fi
}

cd "${STATSDIR}/"

# wan-rem-ip contains the remote IPv4 address
# Modify to suit your needs
# EG: lo0.cmbr.connected.by.freedom.nl
fnd_rtt $( cat /run/ppp/wan-rem-ip )
WANRTT=$RTT

fnd_rtt www.freedomnet.nl
WWWRTT=$RTT

fnd_rtt dns1.freedom.nl
RESRTT=$RTT

# You may add an other ping host here
SHLRTT=0

echo $WANRTT
echo $WWWRTT
echo $RESRTT

$RRDTOOL update \
    $STATSDIR/wan-ping.rrd \
    N:$WANRTT:$WWWRTT:$RESRTT:$SHLRTT

# Graph
"${STATSDIR}/graph_ping_values"