536 lines
13 KiB
Perl
536 lines
13 KiB
Perl
# SNMP::Info::Layer2::HP - SNMP Interface to HP ProCurve Switches
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# Max Baker <max@warped.org>
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#
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# Copyright (c) 2002,2003 Regents of the University of California
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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 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::Layer2::HP;
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$VERSION = 0.7;
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# $Id$
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use strict;
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use Exporter;
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use SNMP::Info::Layer2;
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use SNMP::Info::MAU;
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use SNMP::Info::Entity;
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use vars qw/$VERSION $DEBUG %GLOBALS %MIBS %FUNCS %PORTSTAT %MODEL_MAP %MUNGE $INIT/ ;
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@SNMP::Info::Layer2::HP::ISA = qw/SNMP::Info::Layer2 SNMP::Info::MAU SNMP::Info::Entity Exporter/;
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@SNMP::Info::Layer2::HP::EXPORT_OK = qw//;
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# See SNMP::Info for the details of these data structures and interworkings.
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$INIT = 0;
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%MIBS = ( %SNMP::Info::Layer2::MIBS,
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%SNMP::Info::MAU::MIBS,
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%SNMP::Info::Entity::MIBS,
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'RFC1271-MIB' => 'logDescription',
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'HP-ICF-OID' => 'hpSwitch4000',
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'STATISTICS-MIB' => 'hpSwitchCpuStat',
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'NETSWITCH-MIB' => 'hpMsgBufFree'
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);
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%GLOBALS = (
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%SNMP::Info::Layer2::GLOBALS,
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%SNMP::Info::MAU::GLOBALS,
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%SNMP::Info::Entity::GLOBALS,
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'serial1' => 'entPhysicalSerialNum.1',
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'hp_cpu' => 'hpSwitchCpuStat.0',
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'hp_mem_total' => 'hpGlobalMemTotalBytes.1',
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'mem_free' => 'hpGlobalMemFreeBytes.1',
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'mem_used' => 'hpGlobalMemAllocBytes.1',
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'os_version' => 'hpSwitchOsVersion.0',
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'os_bin' => 'hpSwitchRomVersion.0',
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'mac' => 'hpSwitchBaseMACAddress.0'
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);
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%FUNCS = (
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%SNMP::Info::Layer2::FUNCS,
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%SNMP::Info::MAU::FUNCS,
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%SNMP::Info::Entity::FUNCS,
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'i_type2' => 'ifType',
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# RFC1271
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'l_descr' => 'logDescription'
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);
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%MUNGE = (
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# Inherit all the built in munging
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%SNMP::Info::Layer2::MUNGE,
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%SNMP::Info::MAU::MUNGE,
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%SNMP::Info::Entity::MUNGE
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);
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%MODEL_MAP = (
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'J4812A' => '2512',
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'J4819A' => '5308XL',
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'J4813A' => '2524',
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'J4805A' => '5304XL',
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'J4815A' => '3324XL',
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'J4865A' => '4108GL',
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'J4887A' => '4104GL',
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'J4874A' => '9315',
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);
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# Method Overrides
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sub cpu {
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my $hp = shift;
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return $hp->hp_cpu();
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}
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sub mem_total {
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my $hp = shift;
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return $hp->hp_mem_total();
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}
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sub os {
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return 'hp';
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}
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sub os_ver {
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my $hp = shift;
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my $os_version = $hp->os_version();
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return $os_version if defined $os_version;
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# Some older ones don't have this value,so we cull it from the description
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my $descr = $hp->description();
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if ($descr =~ m/revision ([A-Z]{1}\.\d{2}\.\d{2})/) {
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return $1;
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}
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return undef;
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}
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# Lookup model number, and translate the part number to the common number
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sub model {
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my $hp = shift;
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my $id = $hp->id();
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my $model = &SNMP::translateObj($id);
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$model =~ s/^hpswitch//i;
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return defined $MODEL_MAP{$model} ? $MODEL_MAP{$model} : $model;
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}
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# Some have the serial num in entity mib, some dont.
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sub serial {
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my $hp = shift;
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# procurve 2xxx have this
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my $serial = $hp->serial1();
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return undef unless defined $serial;
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# 4xxx dont
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return undef if $serial =~ /nosuchobject/i;
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return $serial;
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}
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sub interfaces {
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my $hp = shift;
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my $interfaces = $hp->i_index();
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my $i_descr = $hp->i_description();
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my %if;
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foreach my $iid (keys %$interfaces){
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my $descr = $i_descr->{$iid};
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next unless defined $descr;
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$if{$iid} = $descr if (defined $descr and length $descr);
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}
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return \%if
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}
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sub i_type {
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my $hp = shift;
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my $e_descr = $hp->e_descr();
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my $e_port = $hp->e_port();
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# Grab default values to pass through
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my $i_type = $hp->i_type2();
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# Now Stuff in the entity-table values
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foreach my $port (keys %$e_descr){
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my $iid = $e_port->{$port};
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next unless defined $iid;
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my $type = $e_descr->{$port};
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$type =~ s/^HP ?//;
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$i_type->{$iid} = $type;
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}
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return $i_type;
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}
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sub i_name {
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my $hp = shift;
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my $i_alias = $hp->i_alias();
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my $e_name = $hp->e_name();
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my $e_port = $hp->e_port();
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my %i_name;
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foreach my $port (keys %$e_name){
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my $iid = $e_port->{$port};
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next unless defined $iid;
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my $alias = $i_alias->{$iid};
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next unless defined $iid;
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$i_name{$iid} = $e_name->{$port};
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# Check for alias
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$i_name{$iid} = $alias if (defined $alias and length($alias));
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}
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return \%i_name;
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}
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sub vendor {
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return 'hp';
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}
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sub log {
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my $hp=shift;
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my $log = $hp->l_descr();
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my $logstring = undef;
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foreach my $val (values %$log){
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next if $val =~ /^Link\s+(Up|Down)/;
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$logstring .= "$val\n";
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}
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return $logstring;
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}
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sub slots {
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my $hp=shift;
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my $e_name = $hp->e_name();
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return undef unless defined $e_name;
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my $slots;
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foreach my $slot (keys %$e_name) {
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$slots++ if $e_name->{$slot} =~ /slot/i;
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}
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return $slots;
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}
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#sub fan {
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# my $hp = shift;
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#
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# my %ents = reverse %{$hp->e_name()};
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#
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# my $fan = $ents{'Fan'};
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#
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#}
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sub i_duplex {
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my $hp = shift;
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my $mau_index = $hp->mau_index();
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my $mau_link = $hp->mau_link();
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my %i_duplex;
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foreach my $mau_port (keys %$mau_link){
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my $iid = $mau_index->{$mau_port};
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next unless defined $iid;
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my $linkoid = $mau_link->{$mau_port};
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my $link = &SNMP::translateObj($linkoid);
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next unless defined $link;
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my $duplex = undef;
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if ($link =~ /fd$/i) {
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$duplex = 'full';
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} elsif ($link =~ /hd$/i){
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$duplex = 'half';
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}
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$i_duplex{$iid} = $duplex if defined $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 $hp = shift;
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my $interfaces = $hp->interfaces();
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my $mau_index = $hp->mau_index();
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my $mau_auto = $hp->mau_auto();
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my $mau_autostat = $hp->mau_autostat();
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my $mau_typeadmin = $hp->mau_type_admin();
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my $mau_autosent = $hp->mau_autosent();
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my %mau_reverse = reverse %$mau_index;
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my %i_duplex_admin;
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foreach my $iid (keys %$interfaces){
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my $mau_index = $mau_reverse{$iid};
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next unless defined $mau_index;
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my $autostat = $mau_autostat->{$mau_index};
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# HP25xx has this value
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if (defined $autostat and $autostat =~ /enabled/i){
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$i_duplex_admin{$iid} = 'auto';
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next;
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}
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my $type = $mau_autosent->{$mau_index};
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next unless defined $type;
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if ($type == 0) {
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$i_duplex_admin{$iid} = 'none';
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next;
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}
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my $full = $hp->_isfullduplex($type);
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my $half = $hp->_ishalfduplex($type);
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if ($full and !$half){
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$i_duplex_admin{$iid} = 'full';
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} elsif ($half) {
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$i_duplex_admin{$iid} = 'half';
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}
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}
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return \%i_duplex_admin;
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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::Layer2::HP - SNMP Interface to HP Procurve Switches
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=head1 AUTHOR
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Max Baker (C<max@warped.org>)
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $hp = 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 = $hp->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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HP ProCurve Switch via SNMP.
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Note: Some HP Switches will connect via SNMP version 1, but a lot of config data will
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not be available. Make sure you try and connect with Version 2 first, and then fail back
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to version 1.
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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 $hp = new SNMP::Info::Layer2::HP(...);
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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::Entity
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=item SNMP::Info::MAU
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=back
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=head2 Required MIBs
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=over
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=item RFC1271-MIB
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Included in V2 mibs from Cisco
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=item HP-ICF-OID
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=item STATISTICS-MIB
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=item NETSWITCH-MIB
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=back
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The last three MIBs listed are from HP and can be found at http://www.hp.com/rnd/software
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=head1 ChangeLog
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Version 0.4 - Removed ENTITY-MIB e_*() methods to separate sub-class - SNMP::Info::Entity
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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 $hp->cpu()
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Returns CPU Utilization in percentage.
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=item $hp->log()
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Returns all the log entries from the switch's log that are not Link up or down messages.
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=item $hp->mem_free()
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Returns bytes of free memory
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=item $hp->mem_total()
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Return bytes of total memory
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=item $hp->mem_used()
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Returns bytes of used memory
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=item $hp->model()
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Returns the model number of the HP Switch. Will translate between the HP Part number and
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the common model number with this map :
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%MODEL_MAP = (
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'J4812A' => '2512',
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'J4819A' => '5308XL',
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'J4813A' => '2524',
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'J4805A' => '5304XL',
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'J4815A' => '3324XL',
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'J4865A' => '4108GL',
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'J4887A' => '4104GL',
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'J4874A' => '9315',
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);
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=item $hp->os()
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Returns hp
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=item $hp->os_bin()
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B<hpSwitchRomVersion.0>
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=item $hp->os_ver()
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Tries to use os_version() and if that fails will try and cull the version from
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the description field.
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=item $hp->os_version()
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B<hpSwitchOsVersion.0>
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=item $hp->serial()
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Returns serial number if available through SNMP
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=item $hp->slots()
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Returns number of entries in $hp->e_name that have 'slot' in them.
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=item $hp->vendor()
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hp
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=back
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=head2 Globals imported from SNMP::Info::Layer2
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See documentation in SNMP::Info::Layer2 for details.
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=head2 Globals imported from SNMP::Info::Entity
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See documentation in SNMP::Info::Entity for details.
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=head2 Globals imported from SNMP::Info::MAU
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See documentation in SNMP::Info::MAU 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 $hp->interfaces()
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Uses $hp->i_description()
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=item $hp->i_duplex()
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Maps $hp->mau_index() with $hp->mau_link(). Methods inherited from
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SNMP::Info::MAU.
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=item $hp->i_duplex_admin()
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Maps $hp->mau_index() with $hp->mau_auto(), $hp->mau_autostat(),
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$hp->typeadmin(), and $mau_autosent(). Methods inherited from
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SNMP::Info::MAU.
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=item $hp->i_name()
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Crosses i_name() with $hp->e_name() using $hp->e_port() and i_alias()
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=item $hp->i_type()
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Crosses i_type() with $hp->e_descr() using $hp->e_port()
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=back
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=head2 Table Methods imported from SNMP::Info::Layer2
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See documentation in SNMP::Info::Layer2 for details.
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=head2 Table Methods imported from SNMP::Info::Entity
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See documentation in SNMP::Info::Entity for details.
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=head2 Table Methods imported from SNMP::Info::MAU
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See documentation in SNMP::Info::MAU for details.
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=cut
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