File Coverage

blib/lib/Net/Frame/Layer/ICMPv6/RouterSolicitation.pm

Criterion	Covered	Total	%
statement	30	54	55.5
branch	3	6	50.0
condition	1	6	16.6
subroutine	9	13	69.2
pod	6	6	100.0
total	49	85	57.6

#
# Router Solicitation message wrapper, compliant to RFC 4861
# [e-mail]
#
#
# $Id: RouterSolicitation.pm,v bc01789674fd 2019/05/23 05:51:45 gomor $
#
package Net::Frame::Layer::ICMPv6::RouterSolicitation;
use strict; use warnings;

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

our @AS = qw(
   reserved
);
our @AA = qw(
   options
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);
__PACKAGE__->cgBuildAccessorsArray (\@AA);

use Net::Frame::Layer::ICMPv6 qw(:consts);
use Bit::Vector;
use Net::Frame::Layer::ICMPv6::Option;

sub new {
   shift->SUPER::new(
      reserved => 0,
      options  => [],
      @_,
   );
}

sub getOptionsLength {
   my $self = shift;
   my $len = 0;
   $len += $_->getLength for $self->options;
   return $len;
}

sub getLength {
   my $self = shift;
   return 4 + $self->getOptionsLength;
}

sub pack {
   my $self = shift;

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

   for ($self->options) {
      $raw .= $_->pack;
   }

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

sub _unpackOptions {
   my $self = shift;
   my ($payload) = @_;

   my @options = ();
   while (defined($payload) && length($payload)) {
      my $opt = Net::Frame::Layer::ICMPv6::Option->new(raw => $payload)->unpack;
      push @options, $opt;
      $payload = $opt->payload;
      $opt->payload(undef);
   }
   $self->options(\@options);
   return $payload;
}

sub unpack {
   my $self = shift;

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

   $self->reserved($reserved);
   $self->payload($payload);

   if (defined($payload) && length($payload)) {
      $payload = $self->_unpackOptions($payload);
   }

   $self->payload($payload);

   return $self;
}

sub print {
   my $self = shift;

   my $l = $self->layer;
   my $buf = sprintf "$l: reserved: 0x%02x",
      $self->reserved;

   for ($self->options) {
      $buf .= "\n" . $_->print;
   }

   return $buf;
}

1;

__END__