# SNMP::Info::Layer3::Juniper
# Bill Fenner
#
# 
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package SNMP::Info::Layer3::Juniper;
# $Id$

use Exporter;
use SNMP::Info::Layer3;

use vars qw/$VERSION $DEBUG %GLOBALS %MIBS %FUNCS %MUNGE $INIT/ ;
$VERSION = '1.03';
@SNMP::Info::Layer3::Juniper::ISA = qw/SNMP::Info::Layer3 Exporter/;
@SNMP::Info::Layer3::Juniper::EXPORT_OK = qw//;

%MIBS = (
            %SNMP::Info::Layer3::MIBS,  
	    'JUNIPER-CHASSIS-DEFINES-MIB' => 'jnxChassisDefines',
	    'JUNIPER-MIB' => 'jnxBoxAnatomy',
	);

%GLOBALS = (
            %SNMP::Info::Layer3::GLOBALS,
	    'serial' => 'jnxBoxSerialNo.0',
	   );

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

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

sub vendor {
	return 'juniper';
}

sub os {
	return 'junos';
}

sub os_ver {
    my $juniper = shift;
    my $descr = $juniper->description();
    return undef unless defined $descr;

    if ($descr =~ m/kernel JUNOS (\S+)/) {
	return $1;
    }
    return undef;
}

sub model {
    my $l3 = shift;
    my $id = $l3->id();
    
    unless (defined $id){
        print " SNMP::Info::Layer3::Juniper::model() - Device does not support sysObjectID\n" if $l3->debug(); 
        return undef;
    }
    
    my $model = &SNMP::translateObj($id);

    return $id unless defined $model;

    $model =~ s/^jnxProductName//i;
    return $model;
}

1;
__END__

=head1 NAME

SNMP::Info::Layer3::Juniper - Perl5 Interface to L3 Juniper Devices

=head1 AUTHOR

Bill Fenner

=head1 SYNOPSIS

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

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

=head1 DESCRIPTION

Subclass for Generic Juniper Routers running JUNOS

=head2 Inherited Classes

=over

=item SNMP::Info::Layer3

=back

=head2 Required MIBs

=over

=item Inherited Classes' MIBs

See L<SNMP::Info::Layer3> for its own MIB requirements.

=back

=head1 GLOBALS

These are methods that return scalar value from SNMP

=over

=item $juniper->vendor()

    Returns 'juniper'

=item $juniper->os()

    Returns 'junos'

=item $juniper->os_ver()

    Returns the software version extracted from sysDescr.

=item $juniper->model()

    Returns the model from sysObjectID, with jnxProductName
    removed from the beginning.

=back

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

See documentation in L<SNMP::Info::Layer3> 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::Layer3

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

=cut