525 lines
13 KiB
Perl
525 lines
13 KiB
Perl
# SNMP::Info::Layer1::S3000
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# Eric Miller
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# $Id$
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#
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# Copyright (c) 2006 Eric Miller
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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::S3000;
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$VERSION = '1.03';
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use strict;
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use Exporter;
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use SNMP::Info::Layer1;
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use SNMP::Info::Bridge;
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@SNMP::Info::Layer1::S3000::ISA = qw/SNMP::Info::Layer1 SNMP::Info::Bridge/;
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@SNMP::Info::Layer1::S3000::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE $AUTOLOAD $INIT $DEBUG/;
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%MIBS = (
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%SNMP::Info::Layer1::MIBS,
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%SNMP::Info::Bridge::MIBS,
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'SYNOPTICS-ETHERNET-MIB' => 's3EnetPortTable',
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'SYNOPTICS-COMMON-MIB' => 's3AgentType',
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);
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%GLOBALS = (
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%SNMP::Info::Layer1::GLOBALS,
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%SNMP::Info::Bridge::GLOBALS,
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# From SYNOPTICS-COMMON-MIB
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'os_bin' => 's3AgentFwVer',
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's3000_major_ver' => 's3AgentSwMajorVer',
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's3000_minor_ver' => 's3AgentSwMinorVer',
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's3000_maint_ver' => 's3AgentSwMaintVer',
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);
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%FUNCS = (
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%SNMP::Info::Layer1::FUNCS,
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%SNMP::Info::Bridge::FUNCS,
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# SYNOPTICS-ETHERNET-MIB::s3EnetPortTable
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's3000_pb_index' => 's3EnetPortBoardIndex',
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's3000_pp_index' => 's3EnetPortIndex',
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's3000_up_admin' => 's3EnetPortPartStatus',
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's3000_up' => 's3EnetPortLinkStatus',
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# SYNOPTICS-ETHERNET-MIB::s3EnetShowNodesTable
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's3000_nb_index' => 's3EnetShowNodesSlotIndex',
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's3000_np_index' => 's3EnetShowNodesPortIndex',
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'fw_mac' => 's3EnetShowNodesMacAddress',
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# SYNOPTICS-ETHERNET-MIB::s3EnetTopNmmTable
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's3000_topo_port' => 's3EnetTopNmmPort',
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's3000_topo_mac' => 's3EnetTopNmmMacAddr',
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);
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%MUNGE = (
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%SNMP::Info::Layer1::MUNGE,
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%SNMP::Info::Bridge::MUNGE,
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's3000_topo_mac' => \&SNMP::Info::munge_mac
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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 'synoptics';
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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 $s3000 = shift;
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my $id = $s3000->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/^s3reg-//i;
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return $1 if ($model =~ /((\d+){3}[\dX])/);
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return $model;
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}
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sub os_ver {
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my $s3000 = shift;
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my $major_ver = $s3000->s3000_major_ver() || 0;
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my $minor_ver = $s3000->s3000_minor_ver() || 0;
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my $maint_ver = $s3000->s3000_maint_ver() || 0;
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my $ver = "$major_ver.$minor_ver.$maint_ver";
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return $ver;
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}
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sub mac {
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my $s3000 = shift;
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my $topo_port = $s3000->s3000_topo_port();
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my $topo_mac = $s3000->s3000_topo_mac();
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foreach my $entry (keys %$topo_port){
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my $port = $topo_port->{$entry};
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next unless $port == 0;
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my $mac = $topo_mac->{$entry};
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return $mac;
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}
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# Topology turned off, not supported.
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return undef;
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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 $s3000 = shift;
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my $b_index = $s3000->s3000_pb_index();
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my $p_index = $s3000->s3000_pp_index();
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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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# We need to make up an index for multiple board instances.
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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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sub interfaces {
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my $s3000 = shift;
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my $i_index = $s3000->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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# Index numbers are deterministic slot * 256 + port - see i_index()
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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 $s3000 = shift;
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my $port_index = $s3000->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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# Hubs only function half duplex
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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 $s3000 = shift;
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my $port_index = $s3000->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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# Hubs only function half duplex
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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 $s3000 = shift;
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my $port_index = $s3000->i_index();
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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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# These hubs only support 10Mbs
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my $speed = '10000000';
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$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 $s3000 = shift;
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my $port_index = $s3000->i_index();
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my $link_stat = $s3000->s3000_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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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 $s3000 = shift;
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my $i_index = $s3000->i_index();
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my $link_stat = $s3000->s3000_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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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 $s3000 = shift;
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my ($setting, $iid) = @_;
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my $i_index = $s3000->i_index();
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my %reverse_i_index = reverse %$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 $s3000->set_s3000_up_admin($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 $s3000 = shift;
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my $b_index = $s3000->s3000_nb_index();
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my $p_index = $s3000->s3000_np_index();
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my $model = $s3000->model();
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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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my $index = ($board*256)+$port;
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$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 $s3000 = shift;
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my $b_index = $s3000->s3000_nb_index();
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my $p_index = $s3000->s3000_np_index();
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my $model = $s3000->model();
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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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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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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer1::S3000 - SNMP Interface to Synoptics / 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 $s3000 = 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 = $s3000->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 propietary 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 $s3000 = new SNMP::Info::Layer1::S3000(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer1
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=item SNMP::Info::Bridge
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=back
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=head2 Required MIBs
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=over
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=item SYNOPTICS-COMMON-MIB
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=item SYNOPTICS-ETHERNET-MIB
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=item Inherited Classes' MIBs
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See SNMP::Info::Layer1 for its own MIB requirements.
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See SNMP::Info::Bridge for its own MIB requirements.
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=back
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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 $s3000->vendor()
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Returns 'nortel'
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=item $s3000->os()
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Returns 'synoptics'
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=item $s3000->model()
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Cross references $s3000->id() to the SYNOPTICS-MIB and returns
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the results.
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Removes sreg- from the model name and returns only the numeric model identifier.
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=item $stack->os_ver()
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Returns the software version specified as major.minor.maint.
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(B<s3AgentSwMajorVer>).(B<s3AgentSwMinorVer>).(B<s3AgentSwMaintVer>)
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=item $stack->os_bin()
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Returns the firmware version. (B<s3AgentFwVer>)
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=item $s3000->mac()
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Returns MAC of the advertised IP address of the device.
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=back
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=head2 Overrides
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=over
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=item $s3000->layers()
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Returns 00000011. Class emulates Layer 2 functionality through proprietary MIBs.
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=back
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=head2 Globals imported from SNMP::Info::Layer1
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See documentation in SNMP::Info::Layer1 for details.
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=head2 Globals imported from SNMP::Info::Bridge
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See documentation in SNMP::Info::Bridge for details.
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=head1 TABLE ENTRIES
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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 $s3000->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). This is required to support devices with more than one module.
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=item $s3000->interfaces()
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Returns reference to map of IIDs to physical ports.
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=item $s3000->i_duplex()
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Returns half, hubs do not support full duplex.
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=item $s3000->i_duplex_admin()
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Returns half, hubs do not support full duplex.
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=item $s3000->i_speed()
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Returns 10000000. The hubs only support 10Mbs Ethernet.
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=item $s3000->i_up()
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Returns (B<s3EnetPortLinkStatus>) for each port. Translates on/off to up/down.
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=item $s3000->i_up_admin()
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Returns (B<s3EnetPortPartStatus>) for each port.
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=item $s3000->set_i_up_admin(state, ifIndex)
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Sets port state, must be supplied with state and port ifIndex
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State choices are 'up'or 'down'
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Example:
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my %if_map = reverse %{$s3000->interfaces()};
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$s3000->set_i_up_admin('down', $if_map{'1.1'})
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or die "Couldn't change port state. ",$s3000->error(1);
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=item $s3000->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 $s3000->fw_port()
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Returns reference to map of IIDs of the SYNOPTICS-ETHERNET-MIB::s3EnetShowNodesTable
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to the Interface index.
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=item $s3000->fw_mac()
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(B<s3EnetShowNodesMacAddress>)
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=item $s3000->s3000_topo_port()
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Returns reference to hash. Key: Table entry, Value:Port Number (interface iid)
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(B<s3EnetTopNmmPort>)
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=item $s3000->s3000_topo_mac()
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(B<s3EnetTopNmmMacAddr>)
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Returns reference to hash. Key: Table entry, Value:Remote MAC address
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=back
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=head2 Table Methods imported from SNMP::Info::Layer1
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See documentation in SNMP::Info::Layer1 for details.
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=head2 Table Methods imported from SNMP::Info::Bridge
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See documentation in SNMP::Info::Bridge for details.
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=cut
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