# SNMP::Info::Layer3::Eltex - SNMP Interface to Eltex Devices
#
# Copyright (c) 2020 by The 135.


package SNMP::Info::Layer3::Eltex;

use strict;
use warnings;
use Exporter;
#use SNMP::Info::Layer2;
use SNMP::Info::Layer3;

@SNMP::Info::Layer3::Eltex::ISA       = qw/SNMP::Info::Layer3 Exporter/;
@SNMP::Info::Layer3::Eltex::EXPORT_OK = qw//;

our ( $VERSION, %GLOBALS, %FUNCS, %MIBS, %MUNGE );

$VERSION = '3.70-135';

%MIBS = ( %SNMP::Info::Layer3::MIBS, );

%GLOBALS = (
    #%SNMP::Info::Layer2::GLOBALS,
    %SNMP::Info::Layer3::GLOBALS,
    'model_oid'       => 'mib-2.47.1.1.1.1.13.67108992',
    'hw_oid'          => 'mib-2.47.1.1.1.1.8.67108992',
    'serial_oid'      => 'mib-2.47.1.1.1.1.11.67108992',
    'os_ver_oid'      => 'mib-2.47.1.1.1.1.10.67108992',
    'bootrom_oid'     => 'mib-2.47.1.1.1.1.9.67108992',
    #'model_oid_140'   => '',
    'hw_oid_140'      => 'mib-2.47.1.1.1.1.8.1',
    #'serial_oid_140'  => '',
    'os_ver_oid_140'  => 'mib-2.47.1.1.1.1.9.1',
    #'bootrom_oid_140' => '',

);

%FUNCS = ( %SNMP::Info::Layer3::FUNCS, );

%MUNGE = ( %SNMP::Info::Layer3::MUNGE, );

sub model {
    my $eltex = shift;
    my $model; my $hw;
    my $id = $eltex->id();
    if ($id =~ /35265\.(140|158)$/) {
        return;
    }
    # default behaviour for 35265.1.120
    elsif ($id =~ /35265\.1\.(24|43|30|120|5[2,4]|74|8[1,9])$/) {
        $model = $eltex->model_oid;
        $hw = $eltex->hw_oid;
    }
    else {
        return 'unknown';
    }
    return $model . ' HW:' . $hw;
}

sub vendor {
    return 'eltex';
}

sub os {
    return 'eltex';
}

sub os_ver {
    my $eltex = shift;
    my $os_ver; my $bootrom;
    my $id = $eltex->id();
    if ($id =~ /35265\.(140|158)$/) {
        $os_ver = $eltex->os_ver_oid_140;
        return $os_ver;
    }
    elsif ($id =~ /35265\.1\.(24|43|30|120|5[2,4]|74|8[1,9])$/) {
        $os_ver = $eltex->os_ver_oid;
        $bootrom = $eltex->bootrom_oid;
    }
    else {
        return 'unknown';
    }
    return $os_ver . ' bootrom: ' . $bootrom;
}

sub serial {
    my $eltex = shift;
    my $serial;
    my $id = $eltex->id();
    if ($id =~ /35265\.(140|158)$/) {
        return;
    }
    elsif ($id =~ /35265\.1\.(24|43|30|120|5[2,4]|74|8[1,9]])$/) {
        $serial = $eltex->serial_oid;
    }
    else {
        return 'unknown';
    }
    return $serial;
}

1;
__END__

=head1 NAME

SNMP::Info::Layer3::Eltex - SNMP Interface to Eltex Devices

=head1 SYNOPSIS

 # Let SNMP::Info determine the correct subclass for you.
 my $eltex = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => 'myrouter',
                          Community   => 'public',
                          Version     => 2
                        )
    or die "Can't connect to DestHost.\n";

 my $class      = $eltex->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

=head1 DESCRIPTION

Subclass for Eltex devices.

=head2 Inherited Classes

=over

=item SNMP::Info::Layer3

=back

=head2 Inherited Classes' MIBs

See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.

=head1 GLOBALS

These are methods that return scalar value from SNMP

=over

=item $eltex->model()

Returns the ID or else description.

=item $eltex->vendor()

Returns 'eltex'.

=item $eltex->serial()

Returns serial number.

=item $eltex->fwver()

Returns the firmware version.

=item $eltex->hwver()

Returns the hardware version.

=item $eltex->stp_i_root_port()

Returns the STP root port.

=back

=head2 Globals imported from SNMP::Info::Layer3

See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.

=head1 TABLE METHODS

These are methods that return tables of information in the form of a reference
to a hash.

=over

=item $eltex->interfaces();

Returns the map between SNMP Interface Identifier (iid) and C<ifName>.

=back

=head2 Table Methods imported from SNMP::Info::Layer3

See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.

=cut