# SNMP::Info::Layer2::Exinda
#
# Copyright (c) 2018 nick nauwelaerts
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the University of California, Santa Cruz nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

package SNMP::Info::Layer2::Exinda;

use strict;
use warnings;

use Exporter;
use SNMP::Info::Layer2;

@SNMP::Info::Layer2::Exinda::ISA = qw/
    SNMP::Info::Layer2
    Exporter
/;
@SNMP::Info::Layer2::Exinda::EXPORT_OK = qw//;

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

$VERSION = '3.70';

%MIBS = (
    %SNMP::Info::Layer2::MIBS,
    'EXINDA-MIB' => 'systemVersion',
);

%GLOBALS = (
    %SNMP::Info::Layer2::GLOBALS,
    # EXINDA-MIB
    'exinda_model' => 'hardwareSeries',
    'serial1'      => 'systemHostId',
    'uptime'       => 'systemUptime',
    'os_ver'       => 'systemVersion',
);

%FUNCS = (
    %SNMP::Info::Layer2::FUNCS,
);

%MUNGE = (
    %SNMP::Info::Layer2::MUNGE,
);


# layer 2: bridged shaping and failopen interfaces
# layer 3/4: ip and layer 4 protocol fiddling and accell
# layer 7: wccp support
sub layers {
    return '01001110';
}

sub vendor {
    return 'exinda';
}

# overwrite l2->model, hardwareSeries returns a plain string
sub model {
    my $exinda = shift;
    return $exinda->exinda_model;
}

# systemHostId (and thus serial1) is actually also a mac address
sub mac {
    my $exinda = shift;
    my $exinda_mac = $exinda->serial1;

    return unless (defined $exinda_mac && (length $exinda_mac) == 12);
    return join(":", $exinda_mac =~ m/\w{2}/g);
}

sub os {
    return 'exos';
}

1;

__END__

=head1 NAME

SNMP::Info::Layer2::Exinda - SNMP Interface to exinda / gfi traffic shapers.

=head1 AUTHORS

nick nauwelaerts

=head1 SYNOPSIS

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

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

=head1 DESCRIPTION

Subclass for exinda / gfi network orchestrator traffic shapers.

=head2 Inherited Classes

=over

=item SNMP::Info::Layer2

=back

=head2 Required MIBs

=over

=item F<EXINDA-MIB>

=back

=head2 Inherited MIBs

See L<SNMP::Info::Layer2/"Required MIBs"> for its MIB requirements.

=head1 GLOBALS

These are methods that return scalar value from SNMP.

=over

=item $exinda->layers()

Returns '01001110'.

=item $exinda->mac()

Returns a mac address extracted from C<systemHostId>.

=item $exinda->model()

Returns C<hardwareSeries>.

=item $exinda->os()

Returns 'exos'.

=item $exinda->os_ver()

Returns C<systemVersion>.

=item $exinda->uptime()

Returns the uptime extracted from C<systemUptime>.

=item $exinda->vendor()

Returns 'exinda'.

=back

=head2 Global Methods imported from SNMP::Info::Layer2

See L<SNMP::Info::Layer2/"GLOBALS"> for details.

=head1 TABLE ENTRIES

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

=head2 Table Methods imported from SNMP::Info::Layer2

See L<SNMP::Info::Layer2/"TABLE METHODS"> for details.

=cut