449 lines
12 KiB
Perl
449 lines
12 KiB
Perl
# SNMP::Info::Airespace
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# Eric Miller
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# $Id$
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#
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# Copyright (c) 2005 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::Airespace;
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$VERSION = '1.04';
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use strict;
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use Exporter;
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use SNMP::Info;
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@SNMP::Info::Airespace::ISA = qw/SNMP::Info Exporter/;
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@SNMP::Info::Airespace::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE $AUTOLOAD $INIT $DEBUG/;
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%MIBS = (
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%SNMP::Info::MIBS,
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'AIRESPACE-WIRELESS-MIB' => 'bsnAPName',
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'AIRESPACE-SWITCHING-MIB' => 'agentInventorySerialNumber',
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);
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%GLOBALS = (
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%SNMP::Info::GLOBALS,
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'serial' => 'agentInventorySerialNumber',
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'os_ver' => 'agentInventoryProductVersion',
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);
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%FUNCS = (
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%SNMP::Info::FUNCS,
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'i_index2' => 'ifIndex',
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'i_name2' => 'ifName',
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'i_description2' => 'ifDescr',
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# AIRESPACE-WIRELESS-MIB::bsnAPTable
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'airespace_ap_mac' => 'bsnAPDot3MacAddress',
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'airespace_ap_name' => 'bsnAPName',
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'airespace_ap_ip' => 'bsnApIpAddress',
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'airespace_ap_loc' => 'bsnAPLocation',
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'airespace_ap_model' => 'bsnAPModel',
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'airespace_ap_serial' => 'bsnAPSerialNumber',
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# AIRESPACE-WIRELESS-MIB::bsnMobileStationTable
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'fw_port' => 'bsnMobileStationAPMacAddr',
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'fw_mac' => 'bsnMobileStationMacAddress',
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# AIRESPACE-SWITCHING-MIB::agentPortConfigTable
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'airespace_duplex_admin' => 'agentPortPhysicalMode',
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'airespace_duplex' => 'agentPortPhysicalStatus',
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);
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%MUNGE = (
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%SNMP::Info::MUNGE,
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# Add ones for our class
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'airespace_ap_mac' => \&SNMP::Info::munge_mac,
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'fw_port' => \&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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# Wirless switches 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 $airespace = shift;
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my $i_index = $airespace->i_index2();
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my $ap_index = $airespace->airespace_ap_mac();
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my %if_index;
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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 $index;
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$if_index{$iid} = $index;
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}
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# Get Attached APs as Interfaces
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foreach my $ap_id (keys %$ap_index){
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my $ap_index = $ap_index->{$ap_id};
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next unless defined $ap_index;
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$if_index{$ap_id} = $ap_index;
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}
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return \%if_index;
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}
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sub interfaces {
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my $airespace = shift;
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my $i_index = $airespace->i_index();
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my $ap_index = $airespace->airespace_ap_mac();
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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 $index;
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if ($index =~ /^\d+$/ ) {
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$if{$index} = "1.$index";
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}
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elsif ($index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/) {
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my $ap = $ap_index->{$iid};
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next unless defined $ap;
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$if{$index} = $ap;
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}
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else {
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next;
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}
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}
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return \%if;
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}
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sub i_name {
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my $airespace = shift;
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my $i_index = $airespace->i_index();
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my $i_name2 = $airespace->i_name2();
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my $ap_name = $airespace->airespace_ap_name();
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my %i_name;
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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 $index;
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if ($index =~ /^\d+$/ ) {
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my $name = $i_name2->{$iid};
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next unless defined $name;
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$i_name{$index} = $name;
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}
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elsif ($index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/) {
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my $name = $ap_name->{$iid};
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next unless defined $name;
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$i_name{$index} = $name;
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}
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else {
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next;
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}
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}
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return \%i_name;
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}
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sub i_description {
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my $airespace = shift;
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my $i_index = $airespace->i_index();
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my $i_descr = $airespace->i_description2();
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my $ap_loc = $airespace->airespace_ap_loc();
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my %descr;
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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 $index;
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if ($index =~ /^\d+$/ ) {
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my $descr = $i_descr->{$iid};
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next unless defined $descr;
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$descr{$index} = $descr;
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}
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elsif ($index =~ /(?:[0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}/) {
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my $name = $ap_loc->{$iid};
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next unless defined $name;
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$descr{$index} = $name;
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}
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else {
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next;
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}
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}
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return \%descr;
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}
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sub i_duplex {
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my $airespace = shift;
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my $interfaces = $airespace->interfaces();
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my $ap_duplex = $airespace->airespace_duplex();
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my %i_duplex;
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foreach my $if (keys %$interfaces){
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my $duplex = $ap_duplex->{$if};
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next unless defined $duplex;
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$duplex = 'half' if $duplex =~ /half/i;
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$duplex = 'full' if $duplex =~ /full/i;
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$duplex = 'auto' if $duplex =~ /auto/i;
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$i_duplex{$if}=$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 $airespace = shift;
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my $interfaces = $airespace->interfaces();
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my $ap_duplex_admin = $airespace->airespace_duplex_admin();
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my %i_duplex_admin;
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foreach my $if (keys %$interfaces){
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my $duplex = $ap_duplex_admin->{$if};
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next unless defined $duplex;
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$duplex = 'half' if $duplex =~ /half/i;
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$duplex = 'full' if $duplex =~ /full/i;
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$duplex = 'auto' if $duplex =~ /auto/i;
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$i_duplex_admin{$if}=$duplex;
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}
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return \%i_duplex_admin;
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}
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# Wireless switches do not support the standard Bridge MIB
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sub bp_index {
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my $airespace = shift;
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my $i_index = $airespace->i_index2();
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my $ap_index = $airespace->airespace_ap_mac();
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my %bp_index;
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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 $index;
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$bp_index{$iid} = $index;
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}
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# Get Attached APs as Interfaces
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foreach my $ap_id (keys %$ap_index){
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my $ap_index = $ap_index->{$ap_id};
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next unless defined $ap_index;
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$bp_index{$ap_index} = $ap_index;
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}
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return \%bp_index;
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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::Airespace - SNMP Interface to Airespace wireless switches
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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my $airespace = 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 => 2
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)
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or die "Can't connect to DestHost.\n";
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my $class = $airespace->class();
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print " Using device sub class : $class\n";
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=head1 DESCRIPTION
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SNMP::Info::Airespace is a subclass of SNMP::Info that provides an interface
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to C<AIRESPACE-WIRELESS-MIB> and C<AIRESPACE-SWITCHING-MIB>. These MIBs are
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used in Airespace wireless switches, as well as, products from Cisco, Nortel,
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and Alcatel which are based upon the Airespace platform.
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The Airespace platform utilizes intelligent wireless switches which control
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thin access points. The thin access points themselves are unable to be polled
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for end station information.
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This class emulates bridge functionality for the wireless switch. This enables
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end station MAC addresses collection and correlation to the thin access point
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the end station is using for communication.
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Normally you use or create a subclass of SNMP::Info that inherits this one. Do not use directly.
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For debugging purposes call the class directly as you would SNMP::Info
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my $airespace = new SNMP::Info::Airespace(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info
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=back
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=head2 Required MIBs
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=over
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=item AIRESPACE-WIRELESS-MIB
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=item AIRESPACE-SWITCHING-MIB
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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 $airespace->serial()
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(B<agentInventorySerialNumber>)
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=item $airespace->os_ver()
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(B<agentInventoryProductVersion>)
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=back
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=head2 Overrides
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=over
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=item $airespace->layers()
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Returns 00000011. Class emulates Layer 2 functionality for Thin APs through
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proprietary MIBs.
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=back
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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 $airespace->i_index()
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Returns reference to map of IIDs to Interface index.
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Extends ifIndex to support thin APs as device interfaces.
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=item $airespace->interfaces()
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Returns reference to map of IIDs to ports. Thin APs are implemented as device
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interfaces. The thin AP MAC address is used as the port identifier.
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=item $airespace->i_name()
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Interface name. Returns (B<ifName>) for Ethernet interfaces and (B<bsnAPName>)
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for thin AP interfaces.
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=item $airespace->i_description()
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Description of the interface. Returns (B<ifDescr>) for Ethernet interfaces and
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(B<bsnAPLocation>) for thin AP interfaces.
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=item $airespace->i_duplex()
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Returns reference to map of IIDs to current link duplex. Ethernet interfaces only.
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=item $airespace->i_duplex_admin()
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Returns reference to hash of IIDs to admin duplex setting. Ethernet interfaces
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only.
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=item $airespace->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 $airespace->fw_port()
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(B<bsnMobileStationAPMacAddr>)
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=item $airespace->fw_mac()
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(B<bsnMobileStationMacAddress>)
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=back
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=head2 AIRESPACE AP Table (B<bsnAPTable>)
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=over
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=item $airespace->airespace_ap_mac()
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(B<bsnAPDot3MacAddress>)
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=item $airespace->airespace_ap_name()
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(B<bsnAPName>)
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=item $airespace->airespace_ap_ip()
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(B<bsnApIpAddress>)
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=item $airespace->airespace_ap_loc()
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(B<bsnAPLocation>)
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=item $airespace->airespace_ap_model()
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(B<bsnAPModel>)
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=item $airespace->airespace_ap_serial()
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(B<bsnAPSerialNumber>)
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=back
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=head2 AIRESPACE Agent Port Config Table (B<agentPortConfigTable>)
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=over
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=item $airespace->airespace_duplex_admin()
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(B<agentPortPhysicalMode>)
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=item $airespace->airespace_duplex()
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(B<agentPortPhysicalStatus>)
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=cut
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