708 lines
17 KiB
Perl
708 lines
17 KiB
Perl
# SNMP::Info::Layer1::Bayhub
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# Eric Miller
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# $Id$
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#
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# Copyright (c) 2004 Eric Miller, Max Baker
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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 notice,
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# this list of conditions and the following disclaimer in the documentation
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# 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" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer1::Bayhub;
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$VERSION = '1.05';
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use strict;
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use Exporter;
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use SNMP::Info::SONMP;
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use SNMP::Info::NortelStack;
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use SNMP::Info::Layer2;
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@SNMP::Info::Layer1::Bayhub::ISA = qw/SNMP::Info::SONMP SNMP::Info::NortelStack SNMP::Info::Layer2 Exporter/;
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@SNMP::Info::Layer1::Bayhub::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE $AUTOLOAD $INIT $DEBUG/;
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%MIBS = (
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%SNMP::Info::Layer2::MIBS,
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%SNMP::Info::NortelStack::MIBS,
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%SNMP::Info::SONMP::MIBS,
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'S5-ETHERNET-COMMON-MIB' => 's5EnPortTable',
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'S5-COMMON-STATS-MIB' => 's5CmStat',
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);
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%GLOBALS = (
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%SNMP::Info::Layer2::GLOBALS,
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%SNMP::Info::NortelStack::GLOBALS,
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%SNMP::Info::SONMP::GLOBALS,
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);
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%FUNCS = (
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%SNMP::Info::Layer2::FUNCS,
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%SNMP::Info::NortelStack::FUNCS,
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%SNMP::Info::SONMP::FUNCS,
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# S5-ETHERNET-COMMON-MIB::s5EnPortTable
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'bayhub_pb_index' => 's5EnPortBrdIndx',
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'bayhub_pp_index' => 's5EnPortIndx',
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'bayhub_up_admin' => 's5EnPortPartStatus',
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'bayhub_up' => 's5EnPortLinkStatus',
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# S5-ETHERNET-COMMON-MIB::s5EnPortExtTable
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'bayhub_p_speed' => 's5EnPortExtActiveSpeed',
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'bayhub_p_cap' => 's5EnPortExtHwCapability',
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'bayhub_p_adv' => 's5EnPortExtAutoNegAdv',
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# S5-COMMON-STATS-MIB::s5CmSNodeTable
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'bayhub_nb_index' => 's5CmSNodeBrdIndx',
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'bayhub_np_index' => 's5CmSNodePortIndx',
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'fw_mac' => 's5CmSNodeMacAddr',
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);
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%MUNGE = (
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%SNMP::Info::Layer2::MUNGE,
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%SNMP::Info::NortelStack::MUNGE,
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%SNMP::Info::SONMP::MUNGE,
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);
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sub layers {
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return '00000011';
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}
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sub os {
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return 'bay_hub';
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}
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sub vendor {
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return 'nortel';
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}
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sub model {
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my $bayhub = shift;
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my $id = $bayhub->id();
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return undef unless defined $id;
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my $model = &SNMP::translateObj($id);
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return $id unless defined $model;
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$model =~ s/^sreg-//i;
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return 'Baystack Hub' if ($model =~ /BayStack/);
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return '5000' if ($model =~ /5000/);
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return '5005' if ($model =~ /5005/);
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return $model;
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}
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# Hubs do not support ifMIB requirements for get MAC
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# and port status
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sub i_index {
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my $bayhub = shift;
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my $partial = shift;
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my $b_index = $bayhub->bayhub_pb_index($partial) || {};
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my $p_index = $bayhub->bayhub_pp_index($partial) || {};
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my $model = $bayhub->model() || 'Baystack Hub';
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my %i_index;
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foreach my $iid (keys %$b_index){
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my $board = $b_index->{$iid};
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next unless defined $board;
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my $port = $p_index->{$iid}||0;
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if ($model eq 'Baystack Hub') {
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my $comidx = $board;
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if (! ($comidx % 5)) {
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$board = ($board / 5);
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} elsif ($comidx =~ /[16]$/) {
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$board = int($board/5);
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$port = 25;
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} elsif ($comidx =~ /[27]$/) {
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$board = int($board/5);
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$port = 26;
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}
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}
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my $index = ($board*256)+$port;
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$i_index{$iid} = $index;
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}
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return \%i_index;
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}
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# Partials don't really help in this class, but implemented
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# for consistency
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sub interfaces {
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my $bayhub = shift;
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my $partial = shift;
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my $i_index = $bayhub->i_index() || {};
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my %if;
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foreach my $iid (keys %$i_index){
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my $index = $i_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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# Index numbers are deterministic slot * 256 + port
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my $port = $index % 256;
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my $slot = int($index / 256);
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my $slotport = "$slot.$port";
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$if{$index} = $slotport;
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}
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return \%if;
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}
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sub i_duplex {
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my $bayhub = shift;
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my $partial = shift;
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my $port_index = $bayhub->i_index() || {};
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my %i_duplex;
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foreach my $iid (keys %$port_index){
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my $index = $port_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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my $duplex = 'half';
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$i_duplex{$index}=$duplex;
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}
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return \%i_duplex;
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}
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sub i_duplex_admin {
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my $bayhub = shift;
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my $partial = shift;
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my $port_index = $bayhub->i_index() || {};
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my %i_duplex_admin;
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foreach my $iid (keys %$port_index){
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my $index = $port_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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my $duplex = 'half';
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$i_duplex_admin{$index}=$duplex;
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}
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return \%i_duplex_admin;
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}
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sub i_speed {
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my $bayhub = shift;
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my $partial = shift;
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my $port_index = $bayhub->i_index() || {};
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my $port_speed = $bayhub->bayhub_p_speed() || {};
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my %i_speed;
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foreach my $iid (keys %$port_index){
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my $index = $port_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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my $speed = $port_speed->{$iid} || '10 Mbps';
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$speed = '10 Mbps' if $speed =~ /bps10M/i;
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$speed = '100 Mbps' if $speed =~ /bps100M/i;
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$i_speed{$index}=$speed;
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}
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return \%i_speed;
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}
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sub i_up {
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my $bayhub = shift;
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my $partial = shift;
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my $port_index = $bayhub->i_index() || {};
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my $link_stat = $bayhub->bayhub_up() || {};
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my %i_up;
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foreach my $iid (keys %$port_index){
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my $index = $port_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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my $link_stat = $link_stat->{$iid};
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next unless defined $link_stat;
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$link_stat = 'up' if $link_stat =~ /on/i;
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$link_stat = 'down' if $link_stat =~ /off/i;
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$i_up{$index}=$link_stat;
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}
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return \%i_up;
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}
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sub i_up_admin {
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my $bayhub = shift;
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my $partial = shift;
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my $i_index = $bayhub->i_index() || {};
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my $link_stat = $bayhub->bayhub_up_admin() || {};
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my %i_up_admin;
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foreach my $iid (keys %$i_index){
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my $index = $i_index->{$iid};
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next unless defined $index;
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next if (defined $partial and $index !~ /^$partial$/);
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my $link_stat = $link_stat->{$iid};
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next unless defined $link_stat;
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$i_up_admin{$index}=$link_stat;
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}
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return \%i_up_admin;
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}
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sub set_i_up_admin {
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# map setting to those the hub will understand
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my %setting = qw/up 2 down 3/;
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my $bayhub = shift;
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my ($setting, $iid) = @_;
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my $i_index = $bayhub->i_index();
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my %reverse_i_index = reverse %$i_index;
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$setting = lc($setting);
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return 0 unless defined $setting{$setting};
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$iid = $reverse_i_index{$iid};
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return $bayhub->set_bayhub_up_admin($setting{$setting}, $iid);
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}
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# Hubs do not support the standard Bridge MIB
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sub bp_index {
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my $bayhub = shift;
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my $partial = shift;
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my $b_index = $bayhub->bayhub_nb_index() || {};
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my $p_index = $bayhub->bayhub_np_index() || {};
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my $model = $bayhub->model() || 'Baystack Hub';
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my %bp_index;
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foreach my $iid (keys %$b_index){
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my $board = $b_index->{$iid};
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next unless defined $board;
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my $port = $p_index->{$iid}||0;
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if ($model eq 'Baystack Hub') {
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my $comidx = $board;
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if (! ($comidx % 5)) {
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$board = ($board / 5);
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} elsif ($comidx =~ /[16]$/) {
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$board = int($board/5);
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$port = 25;
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} elsif ($comidx =~ /[27]$/) {
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$board = int($board/5);
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$port = 26;
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}
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}
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my $index = ($board*256)+$port;
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next if (defined $partial and $index !~ /^$partial$/);
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$bp_index{$index} = $index;
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}
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return \%bp_index;
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}
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sub fw_port {
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my $bayhub = shift;
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my $partial = shift;
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my $b_index = $bayhub->bayhub_nb_index($partial) || {};
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my $p_index = $bayhub->bayhub_np_index($partial) || {};
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my $model = $bayhub->model() || 'Baystack Hub';
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my %fw_port;
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foreach my $iid (keys %$b_index){
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my $board = $b_index->{$iid};
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next unless defined $board;
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my $port = $p_index->{$iid}||0;
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if ($model eq 'Baystack Hub') {
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my $comidx = $board;
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if (! ($comidx % 5)) {
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$board = ($board / 5);
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} elsif ($comidx =~ /[16]$/) {
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$board = int($board/5);
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$port = 25;
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} elsif ($comidx =~ /[27]$/) {
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$board = int($board/5);
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$port = 26;
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}
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}
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my $index = ($board*256)+$port;
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$fw_port{$iid} = $index;
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}
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return \%fw_port;
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}
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sub index_factor {
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return 256;
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}
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sub slot_offset {
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return 0;
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}
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# Devices do not support ENTITY-MIB use proprietary methods.
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sub e_index {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_index($partial);
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}
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sub e_class {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_class($partial);
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}
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sub e_descr {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_descr($partial);
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}
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sub e_fwver {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_fwver($partial);
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}
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sub e_hwver {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_hwver($partial);
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}
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sub e_parent {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_parent($partial);
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}
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sub e_pos {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_pos($partial);
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}
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sub e_serial {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_serial($partial);
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}
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sub e_swver {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_swver($partial);
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}
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sub e_type {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_type($partial);
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}
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sub e_vendor {
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my $stack = shift;
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my $partial = shift;
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return $stack->ns_e_vendor($partial);
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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::Layer1::Bayhub - SNMP Interface to Bay / Nortel Hubs
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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#Let SNMP::Info determine the correct subclass for you.
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my $bayhub = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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# These arguments are passed directly on to SNMP::Session
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DestHost => 'myswitch',
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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 = $bayhub->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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Provides abstraction to the configuration information obtainable from a
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Bayhub device through SNMP. Also provides device MAC to port mapping through the proprietary MIB.
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For speed or debugging purposes you can call the subclass directly, but not after determining
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a more specific class using the method above.
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my $bayhub = new SNMP::Info::Layer1::Bayhub(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer2
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=item SNMP::Info::NortelStack
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=item SNMP::Info::SONMP
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=back
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=head2 Required MIBs
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=over
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=item S5-ETHERNET-COMMON-MIB
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=item S5-COMMON-STATS-MIB
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=back
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=head2 Inherited MIBs
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See L<SNMP::Info::Layer2/"Required MIBs"> for its MIB requirements.
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See L<SNMP::Info::NortelStack/"Required MIBs"> for its MIB requirements.
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See L<SNMP::Info::SONMP/"Required MIBs"> for its MIB requirements.
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=over
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=item $bayhub->vendor()
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Returns 'nortel'
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=item $bayhub->os()
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Returns 'bay_hub'
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=item $bayhub->model()
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Cross references $bayhub->id() to the SYNOPTICS-MIB and returns
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the results.
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Removes either Baystack Hub, 5000, or 5005 depending on the model.
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=back
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=head2 Overrides
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=over
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=item $bayhub->layers()
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Returns 00000011. Class emulates Layer 2 functionality through proprietary MIBs.
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=item $bayhub->index_factor()
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Required by SNMP::Info::SONMP. Number representing the number of ports
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reserved per slot within the device MIB. Returns 256.
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=item $bayhub->slot_offset()
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Required by SNMP::Info::SONMP. Offset if slot numbering does not
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start at 0. Returns 0.
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=back
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=head2 Globals imported from SNMP::Info::Layer2
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See L<SNMP::Info::Layer2/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::NortelStack
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See L<SNMP::Info::NortelStack/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::SONMP
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See L<SNMP::Info::SONMP/"GLOBALS"> for details.
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=head1 TABLE METHODS
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These are methods that return tables of information in the form of a reference
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to a hash.
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=head2 Overrides
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=over
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=item $bayhub->i_index()
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Returns reference to map of IIDs to Interface index.
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Since hubs do not support ifIndex, the interface index is created using the
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formula (board * 256 + port).
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=item $bayhub->interfaces()
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Returns reference to map of IIDs to physical ports.
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=item $bayhub->i_duplex()
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Returns half, hubs do not support full duplex.
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=item $bayhub->i_duplex_admin()
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Returns half, hubs do not support full duplex.
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=item $bayhub->i_speed()
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Returns interface speed.
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=item $bayhub->i_up()
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Returns (B<s5EnPortLinkStatus>) for each port. Translates on/off to up/down.
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=item $bayhub->i_up_admin()
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Returns (B<s5EnPortPartStatus>) for each port.
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=item $bayhub->set_i_up_admin(state, ifIndex)
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Sets port state, must be supplied with state and port ifIndex
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State choices are 'up'or 'down'
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Example:
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my %if_map = reverse %{$bayhub->interfaces()};
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$bayhub->set_i_up_admin('down', $if_map{'1.1'})
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or die "Couldn't change port state. ",$bayhub->error(1);
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=item $bayhub->bp_index()
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Simulates bridge MIB by returning reference to a hash containing the index for
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both the keys and values.
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=item $bayhub->fw_port()
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Returns reference to map of IIDs of the S5-COMMON-STATS-MIB::s5CmSNodeTable
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to the Interface index.
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=item $bayhub->fw_mac()
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(B<s5CmSNodeMacAddr>)
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=back
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=head2 Pseudo ENTITY-MIB Information
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These devices do not support ENTITY-MIB. These methods emulate Physical Table
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methods using S5-CHASSIS-MIB. See L<SNMP::Info::NortelStack/"TABLE METHODS">
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for details.
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=over
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=item $bayhub->e_index()
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Returns ns_e_index().
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=item $bayhub->e_class()
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Returns ns_e_class().
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=item $bayhub->e_descr()
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Returns ns_e_descr().
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=item $bayhub->e_fwver()
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Returns ns_e_fwver().
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=item $bayhub->e_hwver()
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Returns ns_e_hwver().
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=item $bayhub->e_parent()
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Returns ns_e_parent().
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=item $bayhub->e_pos()
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Returns ns_e_pos().
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=item $bayhub->e_serial()
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Returns ns_e_serial().
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=item $bayhub->e_swver()
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Returns ns_e_swver().
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=item $bayhub->e_type()
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Returns ns_e_type().
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=item $bayhub->e_vendor()
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Returns ns_e_vendor().
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=back
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=head2 Table Methods imported from SNMP::Info::Layer2
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See L<SNMP::Info::Layer2/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::NortelStack
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See L<SNMP::Info::NortelStack/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::SONMP
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See L<SNMP::Info::SONMP/"TABLE METHODS"> for details.
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=cut
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