File Coverage

blib/lib/Net/Frame/Layer/RIP/v1.pm

Criterion	Covered	Total	%
statement	38	40	95.0
branch	4	8	50.0
condition			n/a
subroutine	11	12	91.6
pod	7	7	100.0
total	60	67	89.5

#
# $Id: v1.pm 49 2009-05-31 13:15:34Z VinsWorldcom $
#
package Net::Frame::Layer::RIP::v1;
use strict; use warnings;

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

our %EXPORT_TAGS = (
   consts => [qw(
      NF_RIP_V1_ADDRESSFAMILY_IPV4
      NF_RIP_V1_METRIC_INFINITY
   )],
);
our @EXPORT_OK = (
   @{$EXPORT_TAGS{consts}},
);

use constant NF_RIP_V1_ADDRESSFAMILY_IPV4 => 2;
use constant NF_RIP_V1_METRIC_INFINITY    => 16;

our @AS = qw(
   addressFamily
   reserved1
   address
   reserved2
   reserved3
   metric
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);

sub new {
   shift->SUPER::new(
      addressFamily => NF_RIP_V1_ADDRESSFAMILY_IPV4,
      reserved1     => 0,
      address       => '0.0.0.0',
      reserved2     => 0,
      reserved3     => 0,
      metric        => 1,
      @_,
   );
}

sub full {
   shift->SUPER::new(
      addressFamily => 0,
      reserved1     => 0,
      address       => '0.0.0.0',
      reserved2     => 0,
      reserved3     => 0,
      metric        => NF_RIP_V1_METRIC_INFINITY,
      @_,
   );
}

sub getLength { 20 }

sub pack {
   my $self = shift;

   $self->raw($self->SUPER::pack('nna4NNN',
      $self->addressFamily,
      $self->reserved1,
      inetAton($self->address),
      $self->reserved2,
      $self->reserved3,
      $self->metric
   )) or return;

   return $self->raw;
}

sub unpack {
   my $self = shift;

   my ($addressFamily, $reserved1, $address, $reserved2, $reserved3, $metric, $payload) =
      $self->SUPER::unpack('nna4NNN a*', $self->raw)
         or return;

   $self->addressFamily($addressFamily);
   $self->reserved1($reserved1);
   $self->address(inetNtoa($address));
   $self->reserved2($reserved2);
   $self->reserved3($reserved3);
   $self->metric($metric);

   $self->payload($payload);

   return $self;
}

sub encapsulate {
   my $self = shift;

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

   if ($self->payload) {
      return "RIP::v1";
   }

   NF_LAYER_NONE;
}

sub print {
   my $self = shift;

   my $l = $self->layer;
   my $buf = sprintf
      "$l: addressFamily:%d  reserved1:%d\n".
      "$l: address:%s  reserved2:%d  reserved3:%d\n".
      "$l: metric:%d",
         $self->addressFamily, $self->reserved1,
         $self->address, $self->reserved2, $self->reserved3,
         $self->metric;

   return $buf;
}

1;

__END__