#!/bin/sh
# Script by Georges Rosset
# to update and graph Bandwith usage
# 11.05.2005
# =============================================================
# User defined variables:
# ------------------------------------------
rrdfile="/datas/rrdtool/NETstats.rrd";
rrdtoolbin="/usr/local/rrdtool/bin/rrdtool";
htmldir="/WWW/utilities/net";
tempdir="/root/tmp";
bytesTXcolor=0000FF;
bytesRXcolor=990000;
bytesTXcolorBkgd=6666FF;
bytesRXcolorBkgd=FF6666;
# ------------------------------------------
#
eth0TXold=$(tail $tempdir/NETstats.tmp | cut -d" " -f1);
eth0RXold=$(tail $tempdir/NETstats.tmp | cut -d" " -f2);
eth0TXnew=$(/root/Scripts/getNetBytes.pl | grep eth0:tx | cut -d")" -f1 | cut -d"(" -f2);
eth0RXnew=$(/root/Scripts/getNetBytes.pl | grep eth0:rx | cut -d")" -f1 | cut -d"(" -f2);
let eth0TX=($eth0TXnew-$eth0TXold)/300;
let eth0RX=($eth0RXnew-$eth0RXold)/300;

$rrdtoolbin update $rrdfile N:$eth0TX:$eth0RX:0:0;

#
# =========================
# Create graphs
# -------------------------
#
# Create 24hrs image
$rrdtoolbin graph $htmldir/net.png \
        --title="24 hrs variations (5 minutes average)" \
        -aPNG -h200 -w600 -l0 \
        DEF:bytes_TX=$rrdfile:bytesTX:LAST \
	AREA:bytes_TX#$bytesTXcolorBkgd:"bytesTX/sec" \
        DEF:bytes_RX=$rrdfile:bytesRX:LAST \
	AREA:bytes_RX#$bytesRXcolorBkgd:"bytesRX/sec" \
        LINE1:bytes_RX#$bytesRXcolor \
        LINE1:bytes_TX#$bytesTXcolor \
        CDEF:nodat=bytes_TX,bytes_RX,+,UN,INF,UNKN,IF \
        AREA:nodat#BBBBBB:"NoData"

let vruletime=$timenow-86400;
# Create 7days image
$rrdtoolbin graph $htmldir/net2.png \
        --title="7 days variations (30 minutes average)" \
        -aPNG -w600 -l0 -s-604800 \
        DEF:bytes_TX=$rrdfile:bytesTX:AVERAGE \
	AREA:bytes_TX#$bytesTXcolorBkgd:"bytesTX/sec" \
        DEF:bytes_RX=$rrdfile:bytesRX:AVERAGE \
	AREA:bytes_RX#$bytesRXcolorBkgd:"bytesRX/sec" \
        LINE1:bytes_RX#$bytesRXcolor \
        LINE1:bytes_TX#$bytesTXcolor \
        CDEF:nodat=bytes_TX,bytes_RX,+,UN,INF,UNKN,IF \
	VRULE:$vruletime#009900:"-24hrs" \
        AREA:nodat#BBBBBB:"NoData"


date > $htmldir/lastdate.txt
echo \
 \<font color="$bytesTXcolorBkgd"\>Out:\<b\>$eth0TX \<\/b\>\<\/font\> \
 \<font color="$bytesRXcolorBkgd"\>In:\<b\>$eth0RX \<\/b\>\<\/font\> \
> $htmldir/laststats.txt
echo $eth0TXnew $eth0RXnew > $tempdir/NETstats.tmp


# ==============================================================