Files
snmp-info/Info/CiscoPower.pm
2007-11-26 04:24:52 +00:00

148 lines
4.3 KiB
Perl

# SNMP::Info::CiscoPower
# Bill Fenner
#
# Copyright (c) 2007 Bill Fenner
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of the University of California, Santa Cruz nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package SNMP::Info::CiscoPower;
$VERSION = '1.07';
# $Id$
use strict;
use Exporter;
use SNMP::Info;
use vars qw/$VERSION $DEBUG %MIBS %FUNCS %GLOBALS %MUNGE $INIT/;
@SNMP::Info::CiscoPower::ISA = qw/SNMP::Info Exporter/;
@SNMP::Info::CiscoPower::EXPORT_OK = qw//;
%MIBS = ('CISCO-POWER-ETHERNET-EXT-MIB' => 'cpeExtPsePortEntPhyIndex');
%GLOBALS = (
);
%FUNCS = (
'cpeth_ent_phy' => 'cpeExtPsePortEntPhyIndex',
);
%MUNGE = (
);
# Cisco overcame the limitation of the module.port index of the
# pethPsePortTable by adding another mapping table, which maps
# a pethPsePortTable row to an entPhysicalTable index, which can
# then be mapped to ifIndex.
sub peth_port_ifindex {
my $cpeth = shift;
my $partial = shift;
my $ent_phy = $cpeth->cpeth_ent_phy($partial);
my $e_port = $cpeth->e_port();
my $peth_port_ifindex = {};
foreach my $i (keys %$ent_phy) {
if ($e_port->{$ent_phy->{$i}}) {
$peth_port_ifindex->{$i} = $e_port->{$ent_phy->{$i}};
}
}
return $peth_port_ifindex;
}
1;
=head1 NAME
SNMP::Info::CiscoPower - SNMP Interface to data stored in CISCO-POWER-ETHERNET-EXT-MIB.
=head1 AUTHOR
Bill Fenner
=head1 SYNOPSIS
# Let SNMP::Info determine the correct subclass for you.
my $poe = new SNMP::Info(
AutoSpecify => 1,
Debug => 1,
# These arguments are passed directly on to SNMP::Session
DestHost => 'myswitch',
Community => 'public',
Version => 2
)
or die "Can't connect to DestHost.\n";
my $class = $poe->class();
print "SNMP::Info determined this device to fall under subclass : $class\n";
=head1 DESCRIPTION
The Info::PowerEthernet class needs a per-device helper function to
properly map the pethPsePortTable to ifIndex values. This class
provides that helper, using CISCO-POWER-ETHERNET-EXT-MIB.
It does not define any helpers for the extra values that this MIB
contains.
Create or use a device subclass that inherit this class. Do not use directly.
For debugging purposes you can call this class directly as you would SNMP::Info
my $poe = new SNMP::Info::CiscoPower (...);
=head2 Inherited Classes
none.
Note that it requires that the device inherits from Info::Entity.
=head2 Required MIBs
=over
=item CISCO-POWER-ETHERNET-EXT-MIB
=back
=head1 GLOBALS
none.
=head1 TABLE METHODS
These are methods that return tables of information in the form of a reference
to a hash.
=head2 Power Port Table
=over
=item $poe->peth_port_ifindex()
Maps the pethPsePortTable to ifIndex by way of the ENTITY-MIB.
=back
=cut