File Coverage

blib/lib/Net/DNS/RR/NID.pm

Criterion	Covered	Total	%
statement	32	32	100.0
branch	4	4	100.0
condition	2	2	100.0
subroutine	10	10	100.0
pod	2	2	100.0
total	50	50	100.0

package Net::DNS::RR::NID;

use strict;
use warnings;
our $VERSION = (qw$Id: NID.pm 1896 2023-01-30 12:59:25Z willem $)[2];

use base qw(Net::DNS::RR);


=head1 NAME

Net::DNS::RR::NID - DNS NID resource record

=cut

use integer;


sub _decode_rdata {			## decode rdata from wire-format octet string
	my ( $self, $data, $offset ) = @_;

	@{$self}{qw(preference nodeid)} = unpack "\@$offset n a8", $$data;
	return;
}


sub _encode_rdata {			## encode rdata as wire-format octet string
	my $self = shift;

	return pack 'n a8', $self->{preference}, $self->{nodeid};
}


sub _format_rdata {			## format rdata portion of RR string.
	my $self = shift;

	return join ' ', $self->preference, $self->nodeid;
}


sub _parse_rdata {			## populate RR from rdata in argument list
	my ( $self, @argument ) = @_;

	for (qw(preference nodeid)) { $self->$_( shift @argument ) }
	return;
}


sub preference {
	my ( $self, @value ) = @_;
	for (@value) { $self->{preference} = 0 + $_ }
	return $self->{preference} || 0;
}


sub nodeid {
	my ( $self, $idnt ) = @_;
	$self->{nodeid} = pack 'n4', map { hex($_) } split /:/, $idnt if defined $idnt;
	return $self->{nodeid} ? sprintf( '%0.4x:%0.4x:%0.4x:%0.4x', unpack 'n4', $self->{nodeid} ) : undef;
}


my $function = sub {			## sort RRs in numerically ascending order.
	return $Net::DNS::a->{'preference'} <=> $Net::DNS::b->{'preference'};
};

__PACKAGE__->set_rrsort_func( 'preference', $function );

__PACKAGE__->set_rrsort_func( 'default_sort', $function );


1;
__END__