#!/bin/bash -e

. ./snmp.conf # get COMMUNITY

log=/dev/shm/sw.mac.port
if [ -e $log.last ] ; then
	mv -v $log.last $log.last.`ls -d $log.last* | wc -l`
fi
test -d $log && mv -v $log $log.last
mkdir $log

snmp_walk() {
	ip=$1
	snmpwalk -O0sUX -v2c -Cc -c $COMMUNITY $ip BRIDGE-MIB::dot1dTpFdbPort | tee $log/snmp.$ip
	#snmpwalk -v 2c -c $COMMUNITY $ip 1.3.6.1.2.1.17.4.3.1 2>>/dev/shm/sw.errors | tee $log/snmp.$ip
	#snmpwalk -v 2c -c $COMMUNITY $ip 1.3.6.1.2.1.17.4.3.1.2 2>>/dev/shm/sw.errors | sed 's/iso.3.6.1.2.1.17.4.3.1.2./ /g' | awk '{print $1" .g"$4}' | awk -v sw="$ip" -F '.' '{ printf "%02X:%02X:%02X:%02X:%02X:%02X,%s,%s\n", $1, $2, $3, $4, $5, $6, $7, sw }' | tee $log/$ip
}

if [ ! -z "$1" ] ; then
	while [ ! -z "$1" ] ; do
		snmp_walk $1
		shift
	done
	exit 0
fi

#( ls -d $log.last/* | sed 's/^.*\///' ; ./ips ) | sort -u | while read ip
grep '^\[snmp;sw' /etc/munin/munin.conf | cut -d';' -f2 | sed 's/\]$//' | while read ip
do
	echo "## $ip"
	snmp_walk $ip
done