File Coverage

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

Criterion	Covered	Total	%
statement	121	136	88.9
branch	4	14	28.5
condition	0	6	0.0
subroutine	39	43	90.7
pod	9	9	100.0
total	173	208	83.1

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

our $VERSION = '1.02';

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

use Net::Frame::Layer::RIP::v1 qw(:consts);
use Net::Frame::Layer::RIP::v2 qw(:consts);
my @consts;
for my $c (sort(keys(%constant::declared))) {
    if ($c =~ /^Net::Frame::Layer::RIP::v[12]::/) {
        $c =~ s/^Net::Frame::Layer::RIP::v[12]:://;
        push @consts, $c
    }
}

our %EXPORT_TAGS = (
   consts => [@consts, qw(
      NF_RIP_V1_DEST_HWADDR
      NF_RIP_V1_DEST_ADDR
      NF_RIP_V1_DEST_PORT
      NF_RIP_V2_DEST_HWADDR
      NF_RIP_V2_DEST_ADDR
      NF_RIP_V2_DEST_PORT
      NF_RIP_V1_COMMAND_REQUEST
      NF_RIP_V1_COMMAND_RESPONSE
      NF_RIP_V1_COMMAND_TRACEON
      NF_RIP_V1_COMMAND_TRACEOFF
      NF_RIP_V1_COMMAND_SUNRESV
      NF_RIP_V1_COMMAND_TRIGGEREDREQUEST
      NF_RIP_V1_COMMAND_TRIGGEREDRESPONSE
      NF_RIP_V1_COMMAND_TRIGGEREDACK
      NF_RIP_V1_COMMAND_UPDATEREQUEST
      NF_RIP_V1_COMMAND_UPDATERESPONSE
      NF_RIP_V1_COMMAND_UPDATEACK
      NF_RIP_V2_COMMAND_REQUEST
      NF_RIP_V2_COMMAND_RESPONSE
      NF_RIP_V2_COMMAND_TRACEON
      NF_RIP_V2_COMMAND_TRACEOFF
      NF_RIP_V2_COMMAND_SUNRESV
      NF_RIP_V2_COMMAND_TRIGGEREDREQUEST
      NF_RIP_V2_COMMAND_TRIGGEREDRESPONSE
      NF_RIP_V2_COMMAND_TRIGGEREDACK
      NF_RIP_V2_COMMAND_UPDATEREQUEST
      NF_RIP_V2_COMMAND_UPDATERESPONSE
      NF_RIP_V2_COMMAND_UPDATEACK
   )],
);
our @EXPORT_OK = (
   @{$EXPORT_TAGS{consts}},
);

use constant NF_RIP_V1_DEST_HWADDR               => 'ff:ff:ff:ff:ff:ff';
use constant NF_RIP_V1_DEST_ADDR                 => '255.255.255.255';
use constant NF_RIP_V1_DEST_PORT                 => 520;
use constant NF_RIP_V2_DEST_HWADDR               => '01:00:5e:00:00:09';
use constant NF_RIP_V2_DEST_ADDR                 => '224.0.0.9';
use constant NF_RIP_V2_DEST_PORT                 => 520;
use constant NF_RIP_V1_COMMAND_REQUEST           => 1;
use constant NF_RIP_V1_COMMAND_RESPONSE          => 2;
use constant NF_RIP_V1_COMMAND_TRACEON           => 3;
use constant NF_RIP_V1_COMMAND_TRACEOFF          => 4;
use constant NF_RIP_V1_COMMAND_SUNRESV           => 5;
use constant NF_RIP_V1_COMMAND_TRIGGEREDREQUEST  => 6;
use constant NF_RIP_V1_COMMAND_TRIGGEREDRESPONSE => 7;
use constant NF_RIP_V1_COMMAND_TRIGGEREDACK      => 8;
use constant NF_RIP_V1_COMMAND_UPDATEREQUEST     => 9;
use constant NF_RIP_V1_COMMAND_UPDATERESPONSE    => 10;
use constant NF_RIP_V1_COMMAND_UPDATEACK         => 11;
use constant NF_RIP_V2_COMMAND_REQUEST           => 1;
use constant NF_RIP_V2_COMMAND_RESPONSE          => 2;
use constant NF_RIP_V2_COMMAND_TRACEON           => 3;
use constant NF_RIP_V2_COMMAND_TRACEOFF          => 4;
use constant NF_RIP_V2_COMMAND_SUNRESV           => 5;
use constant NF_RIP_V2_COMMAND_TRIGGEREDREQUEST  => 6;
use constant NF_RIP_V2_COMMAND_TRIGGEREDRESPONSE => 7;
use constant NF_RIP_V2_COMMAND_TRIGGEREDACK      => 8;
use constant NF_RIP_V2_COMMAND_UPDATEREQUEST     => 9;
use constant NF_RIP_V2_COMMAND_UPDATERESPONSE    => 10;
use constant NF_RIP_V2_COMMAND_UPDATEACK         => 11;

our @AS = qw(
   command
   version
   reserved
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);

#no strict 'vars';

$Net::Frame::Layer::UDP::Next->{520} = "RIP";

sub new {
   shift->SUPER::new(
      command  => NF_RIP_V2_COMMAND_REQUEST,
      version  => 2,
      reserved => 0,
      @_,
   );
}

sub match {
   my $self = shift;
   my ($with) = @_;
   my $sVer = $self->version;
   my $wVer = $with->version;
   my $sCmd = $self->command;
   my $wCmd = $with->command;
   if (($sCmd == NF_RIP_V1_COMMAND_REQUEST)
   &&  ($wCmd == NF_RIP_V1_COMMAND_RESPONSE)
   &&  ($sVer == $wVer)) {
      return 1;
   }
   0;
}

# XXX: may be better, by keying on type also
sub getKey        { shift->layer }
sub getKeyReverse { shift->layer }

sub getLength { 4 }

sub pack {
   my $self = shift;

   my $raw = $self->SUPER::pack('CCn',
      $self->command,
      $self->version,
      $self->reserved
   ) or return;

   return $self->raw($raw);
}

sub unpack {
   my $self = shift;

   my ($command, $version, $reserved, $payload) =
      $self->SUPER::unpack('CCn a*', $self->raw)
         or return;

   $self->command($command);
   $self->version($version);
   $self->reserved($reserved);

   $self->payload($payload);

   return $self;
}

sub encapsulate {
   my $self = shift;

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

   if ($self->payload) {
      if ($self->version == 1) {
         return 'RIP::v1';
      } elsif ($self->version == 2) {
         return 'RIP::v2';
      }
   }

   NF_LAYER_NONE;
}

sub print {
   my $self = shift;

   my $l = $self->layer;
   my $buf = sprintf
      "$l: command:%d  version:%d  reserved:%d",
         $self->command, $self->version, $self->reserved;

   return $buf;
}

1;

__END__