migrate from EUMM to Module::Build
This commit is contained in:
Oliver Gorwits
407
lib/SNMP/Info/Layer3/IBMGbTor.pm
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407
lib/SNMP/Info/Layer3/IBMGbTor.pm
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# SNMP::Info::Layer3::IBMGbTor - SNMP Interface to IBM Rackswitch devices
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# $Id$
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#
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# Copyright (c) 2013 Eric Miller
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer3::IBMGbTor;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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use SNMP::Info::LLDP;
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@SNMP::Info::Layer3::IBMGbTor::ISA
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= qw/SNMP::Info::LLDP SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::IBMGbTor::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %FUNCS %MIBS %MUNGE/;
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$VERSION = '3.35';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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# LLDP MIBs not loaded to prevent possible unqualified namespace conflict
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# with IBM definitions
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'IBM-GbTOR-10G-L2L3-MIB' => 'lldpInfoRemoteDevicesLocalPort',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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%SNMP::Info::LLDP::GLOBALS,
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'temp' => 'hwTempSensors',
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'fan' => 'hwFanSpeed',
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# Can't find the equivalent in IBM-GbTOR-10G-L2L3-MIB
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# use a different strategy for lldp_sys_cap in hasLLDP()
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#'lldp_sysname' => 'lldpLocSysName',
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#'lldp_sysdesc' => 'lldpLocSysDesc',
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#'lldp_sys_cap' => 'lldpLocSysCapEnabled',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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%SNMP::Info::LLDP::FUNCS,
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# IBM-GbTOR-10G-L2L3-MIB::portInfoTable
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'sw_duplex' => 'portInfoMode',
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# Can't find the equivalent in IBM-GbTOR-10G-L2L3-MIB
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# not currently used in LLDP class
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#'lldp_lman_addr' => 'lldpLocManAddrIfId',
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# IBM-GbTOR-10G-L2L3-MIB::lldpInfoPortTable
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'lldp_port_status' => 'lldpInfoPortAdminStatus',
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# IBM-GbTOR-10G-L2L3-MIB::lldpInfoRemoteDevicesTable
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'lldp_rem_id_type' => 'lldpInfoRemoteDevicesChassisSubtype',
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'lldp_rem_id' => 'lldpInfoRemoteDevicesSystemName',
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'lldp_rem_pid_type' => 'lldpInfoRemoteDevicesPortSubtype',
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'lldp_rem_pid' => 'lldpInfoRemoteDevicesPortId',
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'lldp_rem_desc' => 'lldpInfoRemoteDevicesPortDescription',
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'lldp_rem_sysname' => 'lldpInfoRemoteDevicesSystemName',
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'lldp_rem_sysdesc' => 'lldpInfoRemoteDevicesSystemDescription',
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'lldp_rem_sys_cap' => 'lldpInfoRemoteDevicesSystemCapEnabled',
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# IBM-GbTOR-10G-L2L3-MIB::lldpInfoRemoteDevicesManAddrTable
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'lldp_rman_type' => 'lldpInfoRemoteDevicesManAddrSubtype',
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'lldp_rman_addr' => 'lldpInfoRemoteDevicesManAddr',
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);
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%MUNGE = ( %SNMP::Info::Layer3::MUNGE, %SNMP::Info::LLDP::MUNGE, );
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sub hasLLDP {
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my $ibm = shift;
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# We may be have LLDP, but nothing in lldpRemoteSystemsData Tables
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# Look to see if LLDP Rx enabled on any port
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my $lldp_cap = $ibm->lldp_port_status();
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foreach my $if ( keys %$lldp_cap ) {
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if ( $lldp_cap->{$if} =~ /enabledRx/i ) {
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return 1;
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}
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}
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return;
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}
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sub lldp_ip {
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my $ibm = shift;
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my $partial = shift;
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my $rman_type = $ibm->lldp_rman_type($partial) || {};
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my $rman_addr = $ibm->lldp_rman_addr($partial) || {};
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my %lldp_ip;
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foreach my $key ( keys %$rman_addr ) {
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my $type = $rman_type->{$key};
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next unless defined $type;
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next unless $type eq 'ipV4';
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if ( $key =~ /^(\d+)\./ ) {
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$lldp_ip{$1} = $rman_addr->{$key};
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}
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}
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return \%lldp_ip;
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}
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sub lldp_if {
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my $lldp = shift;
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my $partial = shift;
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my $lldp_desc = $lldp->lldpInfoRemoteDevicesLocalPort($partial) || {};
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my $i_descr = $lldp->i_description() || {};
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my $i_alias = $lldp->i_alias() || {};
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my %r_i_descr = reverse %$i_descr;
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my %r_i_alias = reverse %$i_alias;
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my %lldp_if;
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foreach my $key ( keys %$lldp_desc ) {
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# Cross reference lldpLocPortDesc with ifDescr and ifAlias to get ifIndex,
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# prefer ifAlias over ifDescr since MIB says 'alias'.
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my $desc = $lldp_desc->{$key};
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next unless $desc;
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my $port = $desc;
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# If cross reference is successful use it, otherwise stick with
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# lldpRemLocalPortNum
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if ( exists $r_i_alias{$desc} ) {
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$port = $r_i_alias{$desc};
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}
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elsif ( exists $r_i_descr{$desc} ) {
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$port = $r_i_descr{$desc};
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}
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$lldp_if{$key} = $port;
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}
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return \%lldp_if;
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}
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sub lldp_platform {
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my $ibm = shift;
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my $partial = shift;
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return $ibm->lldpInfoRemoteDevicesSystemDescription($partial);
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}
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sub i_ignore {
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my $ibm = shift;
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my $partial = shift;
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my $interfaces = $ibm->interfaces($partial) || {};
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my %i_ignore;
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foreach my $if ( keys %$interfaces ) {
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if ( $interfaces->{$if} =~ /(tunnel|loopback|\blo\b|lb|null)/i ) {
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$i_ignore{$if}++;
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}
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}
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return \%i_ignore;
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}
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sub i_duplex {
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my $ibm = shift;
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my $partial = shift;
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return $ibm->sw_duplex($partial);
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}
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sub model {
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my $ibm = shift;
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my $id = $ibm->id();
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my $descr = $ibm->description();
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my $model = &SNMP::translateObj($id);
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if ( $descr =~ /RackSwitch\s(.*)/ ) {
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return $1;
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}
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return $model || $id;
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}
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sub os {
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return 'ibm';
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}
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sub vendor {
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return 'ibm';
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}
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sub os_ver {
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my $ibm = shift;
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return $ibm->agSoftwareVersion();
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}
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sub interfaces {
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my $ibm = shift;
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my $partial = shift;
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my $i_descr = $ibm->i_description($partial) || {};
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my $i_name = $ibm->i_name($partial) || {};
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foreach my $iid ( keys %$i_name ) {
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my $name = $i_name->{$iid};
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next unless defined $name;
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$i_descr->{$iid} = $name
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if $name =~ /^port\d+/i;
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}
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return $i_descr;
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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::Layer3::IBMGbTor - SNMP Interface to IBM Rackswitch devices
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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 $ibm = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myswitch',
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Community => 'public',
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Version => 1
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)
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or die "Can't connect to DestHost.\n";
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my $class = $ibm->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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Abstraction subclass for IBM Rackswitch (formerly Blade Network Technologies)
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network devices.
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $ibm = new SNMP::Info::Layer3::IBMGbTor(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3;
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=item SNMP::Info::LLDP;
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=back
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=head2 Required MIBs
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=over
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=item F<IBM-GbTOR-10G-L2L3-MIB>
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=item Inherited Classes' MIBs
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See L<SNMP::Info::Layer3/"Required MIBs"> 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 $ibm->model()
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Returns model type. Attempts to pull model from device description.
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Otherwise checks $ibm->id() against the F<IBM-GbTOR-10G-L2L3-MIB>.
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=item $ibm->vendor()
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Returns 'ibm'
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=item $ibm->os()
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Returns 'ibm'
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=item $ibm->os_ver()
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Returns the software version
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(C<agSoftwareVersion>)
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=item $ibm->temp()
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(C<hwTempSensors>)
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=item $ibm->fan()
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(C<hwFanSpeed>)
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=back
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=head2 Overrides
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=over
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=item $ibm->hasLLDP()
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Is LLDP is active in this device?
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Note: LLDP may be active, but nothing in C<lldpRemoteSystemsData> Tables so
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the device would not return any useful topology information.
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Checks to see if at least one interface is enabled to receive LLDP packets.
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=back
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=head2 Global Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"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 $ibm->interfaces()
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Returns reference to hash of interface names to iids.
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=item $ibm->i_ignore()
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Returns reference to hash of interfaces to be ignored.
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Ignores interfaces with descriptions of tunnel, loopback, and null.
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=item $ibm->i_duplex()
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Returns reference to hash of interface link duplex status.
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(C<portInfoMode>)
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=item $ibm->lldp_if()
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Returns the mapping to the SNMP Interface Table. Tries to cross reference
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(C<lldpInfoRemoteDevicesLocalPort>) with (C<ifDescr>) and (C<ifAlias>)
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to get (C<ifIndex>).
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=item $ibm->lldp_ip()
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Returns remote IPv4 address. Returns for all other address types, use
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lldp_addr if you want any return address type.
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=item $ibm->lldp_platform()
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Returns remote device system description.
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(C<lldpInfoRemoteDevicesSystemDescription>)
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=back
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=head2 Table Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
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=cut
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