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package Net::DNS::RR::PX;
#
# $Id: PX.pm 718 2008-02-26 21:49:20Z olaf $
#
use strict;
BEGIN {
eval { require bytes; }
}
use vars qw(@ISA $VERSION);
@ISA = qw(Net::DNS::RR);
$VERSION = (qw$LastChangedRevision: 718 $)[1];
# Highest preference sorted first.
__PACKAGE__->set_rrsort_func("preference",
sub {
my ($a,$b)=($Net::DNS::a,$Net::DNS::b);
$a->{'preference'} <=> $b->{'preference'}
}
);
__PACKAGE__->set_rrsort_func("default_sort",
__PACKAGE__->get_rrsort_func("preference")
);
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
($self->{"preference"}) = unpack("\@$offset n", $$data);
$offset += Net::DNS::INT16SZ();
($self->{"map822"}, $offset) = Net::DNS::Packet::dn_expand($data, $offset);
($self->{"mapx400"}, $offset) = Net::DNS::Packet::dn_expand($data, $offset);
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && ($string =~ /^(\d+)\s+(\S+)\s+(\S+)$/)) {
$self->{"preference"} = $1;
$self->{"map822"} =Net::DNS::stripdot($2);
$self->{"mapx400"} =Net::DNS::stripdot($3);
}
return bless $self, $class;
}
sub rdatastr {
my $self = shift;
return $self->{"preference"}
? "$self->{preference} $self->{map822}. $self->{mapx400}."
: '';
}
sub rr_rdata {
my ($self, $packet, $offset) = @_;
my $rdata = "";
if (exists $self->{"preference"}) {
$rdata .= pack("n", $self->{"preference"});
$rdata .= $packet->dn_comp($self->{"map822"},
$offset + length $rdata);
$rdata .= $packet->dn_comp($self->{"mapx400"},
$offset + length $rdata);
}
return $rdata;
}
sub _normalize_dnames {
my $self=shift;
$self->_normalize_ownername();
$self->{'map822'}=Net::DNS::stripdot($self->{'map822'}) if defined $self->{'map822'};
$self->{'mapx400'}=Net::DNS::stripdot($self->{'mapx400'}) if defined $self->{'mapx400'};
}
sub _canonicalRdata {
my ($self) = shift;
my $rdata = "";
if (exists $self->{"preference"}) {
$rdata .= pack("n", $self->{"preference"});
$rdata .= $self->_name2wire(lc($self->{"map822"}));
$rdata .= $self->_name2wire(lc($self->{"mapx400"}));
}
return $rdata;
}
1;
__END__
=head1 NAME
Net::DNS::RR::PX - DNS PX resource record
=head1 SYNOPSIS
C