File Coverage

blib/lib/Net/Frame/Layer/RAW.pm

Criterion	Covered	Total	%
statement	24	30	80.0
branch	2	10	20.0
condition			n/a
subroutine	8	8	100.0
pod	4	4	100.0
total	38	52	73.0

#
# $Id: RAW.pm,v 7609c9d085d3 2018/03/15 15:17:19 gomor $
#
package Net::Frame::Layer::RAW;
use strict;
use warnings;

use Net::Frame::Layer qw(:consts);
require Exporter;
our @ISA = qw(Net::Frame::Layer Exporter);
__PACKAGE__->cgBuildIndices;

our %EXPORT_TAGS = (
   consts => [],
);
our @EXPORT_OK = (
   @{$EXPORT_TAGS{consts}},
);

no strict 'vars';

sub pack {
   my $self = shift;
   $self->[$__raw] = '';
   $self->[$__raw];
}

sub unpack {
   my $self = shift;
   $self->[$__payload] = $self->[$__raw];
   $self;
}

sub encapsulate {
   my $self = shift;

   return $self->[$__nextLayer] if $self->[$__nextLayer];

   return NF_LAYER_NONE if ! $self->[$__payload];

   # With RAW layer, we must guess which type is the first layer
   my $payload = CORE::unpack('H*', $self->[$__payload]);

   # XXX: may not work on big-endian arch
   if ($payload =~ /^4/) {
      return 'IPv4';
   }
   elsif ($payload =~ /^6/) {
      return 'IPv6';
   }
   elsif ($payload =~ /^0001....06/) {
      return 'ARP';
   }

   return NF_LAYER_UNKNOWN;
}

sub print {
   my $self = shift;
   my $l = $self->layer;
   "$l: empty";
}

1;

__END__