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# Copyright (C) 2005 Stanislav Sinyagin
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
# $Id: RFC2011_IP_MIB.pm,v 1.1 2010-12-27 00:03:56 ivan Exp $
# Stanislav Sinyagin <ssinyagin@yahoo.com>
# Discovery module for IP-MIB (RFC 2011)
# This module does not generate any XML, but provides information
# for other discovery modules. For the sake of discovery time and traffic,
# it is not implicitly executed during the normal discovery process.
package Torrus::DevDiscover::RFC2011_IP_MIB;
use strict;
use Torrus::Log;
our %oiddef =
(
# IP-MIB
'ipNetToMediaTable' => '1.3.6.1.2.1.4.22',
'ipNetToMediaPhysAddress' => '1.3.6.1.2.1.4.22.1.2',
);
sub discover
{
my $dd = shift;
my $devdetails = shift;
my $data = $devdetails->data();
my $session = $dd->session();
my $table = $session->get_table( -baseoid =>
$dd->oiddef('ipNetToMediaPhysAddress'));
if( not defined( $table ) or scalar( %{$table} ) == 0 )
{
return 0;
}
$devdetails->storeSnmpVars( $table );
foreach my $INDEX
( $devdetails->
getSnmpIndices( $dd->oiddef('ipNetToMediaPhysAddress') ) )
{
my( $ifIndex, @ipAddrOctets ) = split( '\.', $INDEX );
my $ipAddr = join('.', @ipAddrOctets);
my $interface = $data->{'interfaces'}{$ifIndex};
next if not defined( $interface );
my $phyAddr =
$devdetails->snmpVar($dd->oiddef('ipNetToMediaPhysAddress') .
'.' . $INDEX);
$interface->{'ipNetToMedia'}{$ipAddr} = $phyAddr;
$interface->{'mediaToIpNet'}{$phyAddr} = $ipAddr;
# Cisco routers assign ARP to subinterfaces, but MAC accounting
# to main interfaces. Let them search in a global table
$data->{'ipNetToMedia'}{$ipAddr} = $phyAddr;
$data->{'mediaToIpNet'}{$phyAddr} = $ipAddr;
}
return 1;
}
1;
# Local Variables:
# mode: perl
# indent-tabs-mode: nil
# perl-indent-level: 4
# End:
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