File Coverage

blib/lib/Net/Frame/Layer/DNS/RR/HINFO.pm

Criterion	Covered	Total	%
statement	22	38	57.8
branch	0	12	0.0
condition			n/a
subroutine	7	10	70.0
pod	6	6	100.0
total	35	66	53.0

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

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

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

use Net::Frame::Layer::DNS qw(:subs);

sub new {
   shift->SUPER::new(
      cpu => 'PC',
      os  => 'Windows',
      @_,
   );
}

sub getLength {
   my $self = shift;
   return length($self->cpu) + length($self->os)
}

sub pack {
   my $self = shift;

   my $cpu = CORE::pack('C a*',
      length($self->cpu), $self->cpu
   );
   my $os  = CORE::pack('C a*',
      length($self->os), $self->os
   );

   $self->raw($cpu . $os);

   return $self->raw;
}

sub unpack {
   my $self = shift;

   my ($cpulen) =
      $self->SUPER::unpack('C', $self->raw)
         or return;

   my ($cpudata) =
      $self->SUPER::unpack('a*', substr $self->raw, 1, $cpulen)
         or return;

   my ($oslen) =
      $self->SUPER::unpack('C', substr $self->raw, 1+$cpulen)
         or return;

   my ($osdata) =
      $self->SUPER::unpack('a*', substr $self->raw, 2+$cpulen, $oslen)
         or return;

   $self->cpu($cpudata);
   $self->os($osdata);

   $self->payload(substr $self->raw, 2+$cpulen+$oslen);

   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: cpu:%s  os:%s",
         $self->cpu, $self->os;

   return $buf;
}

1;

__END__