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lib/Net/Frame/Layer/DNS/RR/AAAA.pm  view on Meta::CPAN

#
# $Id: AAAA.pm 49 2009-05-31 13:15:34Z VinsWorldcom $
#
package Net::Frame::Layer::DNS::RR::AAAA;
use strict; use warnings;

use Net::Frame::Layer qw(:consts :subs);
our @ISA = qw(Net::Frame::Layer Exporter);

our @AS = qw(
   address
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);

use Net::Frame::Layer::DNS;

sub new {
   shift->SUPER::new(
      address => '::1',
      @_,
   );
}

sub getLength { 16 }

sub pack {
   my $self = shift;

   $self->raw($self->SUPER::pack('a*',
      inet6Aton($self->address)
   )) or return;

   return $self->raw;
}

sub unpack {
   my $self = shift;

   $self->address(inet6Ntoa(substr $self->raw, 0, 16));

   $self->payload(substr $self->raw, 16);

   return $self;
}

sub encapsulate {
   my $self = shift;

   return $self->nextLayer if $self->nextLayer;

   if ($self->payload) {
      return 'DNS::RR';
   }

   NF_LAYER_NONE;
}

sub print {
   my $self = shift;

   my $l = $self->layer;
   my $buf = sprintf
      "$l: address:%s",
         $self->address;

   return $buf;
}

1;

__END__

=head1 NAME

Net::Frame::Layer::DNS::RR::AAAA - DNS Resource Record AAAA rdata type

=head1 SYNOPSIS

   use Net::Frame::Layer::DNS::RR::AAAA;

   my $rdata = Net::Frame::Layer::DNS::RR::AAAA->new(
      address => '::1',
   );
   $rdata->pack;

   print 'RAW: '.$rdata->dump."\n";

   # Create RR with rdata
   use Net::Frame::Layer::DNS::RR qw(:consts);
   
   my $layer = Net::Frame::Layer::DNS::RR->new(
      type  => NF_DNS_TYPE_AAAA
      rdata => $rdata->pack
   );
   $layer->pack;

=head1 DESCRIPTION

This modules implements the encoding and decoding of the DNS Resource