153 lines
4.2 KiB
Perl
153 lines
4.2 KiB
Perl
# SNMP::Info::IEEE802dot3ad
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#
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# Copyright (c) 2018 SNMP::Info Developers
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::IEEE802dot3ad;
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use strict;
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use Exporter;
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use SNMP::Info::Aggregate;
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@SNMP::Info::IEEE802dot3ad::ISA = qw/
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SNMP::Info::Aggregate
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Exporter
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/;
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@SNMP::Info::IEEE802dot3ad::EXPORT_OK = qw/
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agg_ports_lag
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/;
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use vars qw/$VERSION %MIBS %FUNCS %GLOBALS %MUNGE/;
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$VERSION = '3.64';
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%MIBS = (
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%SNMP::Info::Aggregate::MIBS,
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'IEEE8023-LAG-MIB' => 'dot3adAggPortSelectedAggID',
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);
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%GLOBALS = ();
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%FUNCS = (
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'ad_lag_ports' => 'dot3adAggPortListPorts',
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);
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%MUNGE = (
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'ad_lag_ports' => \&SNMP::Info::munge_port_list,
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);
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sub agg_ports_lag {
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my $dev = shift;
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# TODO: implement partial
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my $ports = $dev->ad_lag_ports();
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my $index = $dev->bp_index() || {};
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return {} unless ref {} eq ref $ports and scalar keys %$ports;
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my $ret = {};
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foreach my $m ( keys %$ports ) {
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my $idx = $m;
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my $portlist = $ports->{$m};
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next unless $portlist;
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# While dot3adAggTable is indexed by ifIndex, the portlist is indexed
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# with a dot1dBasePort, so we need to use dot1dBasePortIfIndex to map to
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# the ifIndex. If we don't have dot1dBasePortIfIndex assume
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# dot1dBasePort = ifIndex
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for ( my $i = 0; $i <= scalar(@$portlist); $i++ ) {
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my $ifindex = $i+1;
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if ( exists($index->{$i+1}) and defined($index->{$i+1}) ) {
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$ifindex = $index->{$i+1};
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}
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$ret->{$ifindex} = $idx if ( @$portlist[$i] );
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}
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}
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return $ret;
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}
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1;
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__END__
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=head1 NAME
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SNMP::Info::IEEE802dot3ad - SNMP Interface to IEEE Aggregated Links
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=head1 AUTHOR
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SNMP::Info Developers
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $info = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myrouter',
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Community => 'public',
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Version => 2
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)
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or die "Can't connect to DestHost.\n";
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my $class = $info->class();
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print "SNMP::Info determined this device to fall under subclass : $class\n";
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=head1 DESCRIPTION
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This class provides access to Aggregated Links configuration on devices
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implementing C<IEEE8023-LAG-MIB>.
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Use or create in a subclass of SNMP::Info. Do not use directly.
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=head2 Inherited Classes
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L<SNMP::Info::Aggregate>
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=head2 Required MIBs
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=over
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=item F<IEEE8023-LAG-MIB>
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=back
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=head1 METHODS
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=over 4
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=item C<agg_ports_lag>
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Returns a HASH reference mapping from slave to master port for each member of
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a port bundle on the device. Keys are ifIndex of the slave ports, Values are
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ifIndex of the corresponding master ports.
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=back
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=cut
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