#!/usr/local/bin/bash

# ---------------------------------
# The Hovgaard Klan, DH, 2006-05-07
# ---------------------------------
# This script fetches the total WAN incoming bytes from my internet
# router (a Soekris/m0n0wall box) through SNMP.
# The counter is created as "SNMP mode" which means it will
# automatically calculate the total bytes into bytes per second
# (this can be changed).
#
# Run command:
# ./wan_in.sh
#
# I call this script once in a minute from my crontab.
#

# Enable debug information
#set -x

# My router IP address and my counter ID (CID) - change this to your own
router_ip=192.168.1.1
counter_id=07297b2f75fc27f8cd95cf748850784a9b1570d3

snmp_get=`/usr/local/bin/snmpget -v2c -Oqvt -c public $router_ip system.sysUpTime.0 interfaces.ifTable.ifEntry.ifInOctets.2`
bytes=`echo $snmp_get | /usr/bin/awk '{print $2}'`
/usr/local/bin/curl --silent http://data.hovmon.com/?cid=$counter_id\&val=$bytes > /dev/null
echo Total incoming bytes: $bytes bytes