File Coverage

blib/lib/Net/Frame/Layer/LLTD/Discover.pm

Criterion	Covered	Total	%
statement	26	45	57.7
branch	3	10	30.0
condition	1	3	33.3
subroutine	7	11	63.6
pod	7	7	100.0
total	44	76	57.8

#
# $Id: Discover.pm,v 1.2 2007/03/15 18:23:00 gomor Exp $
#
package Net::Frame::Layer::LLTD::Discover;
use strict;
use warnings;

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

our @AS = qw(
   generationNumber
   numberOfStations
);
our @AA = qw(
   stationList
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);
__PACKAGE__->cgBuildAccessorsArray (\@AA);

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

sub new {
   shift->SUPER::new(
      generationNumber => 0,
      numberOfStations => 0,
      stationList      => [],
      @_,
   );
}

sub getStationListLength {
   my $self = shift;
   my $len = 0;
   for ($self->stationList) {
      $len += 6;
   }
   $len;
}

sub getLength { 4 + shift->getStationListLength }

sub pack {
   my $self = shift;

   my $raw = $self->SUPER::pack('nn',
      $self->generationNumber,
      $self->numberOfStations,
   ) or return undef;

   for ($self->stationList) {
      s/://g;
      $raw .= $self->SUPER::pack('H12', $_) or return undef;
   }

   $self->raw($raw);
}

sub unpack {
   my $self = shift;

   my ($generationNumber, $numberOfStations, $tail) =
      $self->SUPER::unpack('nn a*', $self->raw)
         or return undef;

   $self->generationNumber($generationNumber);
   $self->numberOfStations($numberOfStations);

   my @stationList = ();
   if ($self->numberOfStations && $self->numberOfStations > 0) {
      for (1..$self->numberOfStations) {
         my $mac;
         ($mac, $tail) = $self->SUPER::unpack('H12 a*', $tail)
            or return undef;
         push @stationList, convertMac($mac);
      }
   }

   $self->stationList(\@stationList);
   $self->payload($tail);

   $self;
}

sub encapsulate { shift->nextLayer }

sub print {
   my $self = shift;

   my $l = $self->layer;
   my $buf .= sprintf "$l: generationNumber:%d  numberOfStations:%d",
      $self->generationNumber,
      $self->numberOfStations;

   for my $s ($self->stationList) {
      $buf .= sprintf "\n$l: station: %s", $s;
   }

   $buf;
}

1;

__END__