home *** CD-ROM | disk | FTP | other *** search
- package Net::DNS::RR::PX;
- #
- # $Id: PX.pm,v 2.101 2004/01/04 04:31:10 ctriv Exp $
- #
- use strict;
- use vars qw(@ISA $VERSION);
-
- use Net::DNS;
- use Net::DNS::Packet;
-
- @ISA = qw(Net::DNS::RR);
- $VERSION = (qw$Revision: 2.101 $)[1];
-
- sub new {
- my ($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"} = $2;
- $self->{"mapx400"} = $3;
- $self->{"map822"} =~ s/\.+$//;;
- $self->{"mapx400"} =~ s/\.+$//;;
- }
-
- 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 $rdata;
- }
-
-
- sub _canonicalRdata {
- my ($self) = shift;
- my $rdata = "";
-
- if (exists $self->{"preference"}) {
- $rdata .= pack("n", $self->{"preference"});
- $rdata .= $self->_name2wire($self->{"map822"});
- $rdata .= $self->_name2wire($self->{"mapx400"});
- }
-
- return $rdata;
- }
-
-
- 1;
- __END__
-
- =head1 NAME
-
- Net::DNS::RR::PX - DNS PX resource record
-
- =head1 SYNOPSIS
-
- C<use Net::DNS::RR>;
-
- =head1 DESCRIPTION
-
- Class for DNS X.400 Mail Mapping Information (PX) resource records.
-
- =head1 METHODS
-
- =head2 preference
-
- print "preference = ", $rr->preference, "\n";
-
- Returns the preference given to this RR.
-
- =head2 map822
-
- print "map822 = ", $rr->map822, "\n";
-
- Returns the RFC822 part of the RFC1327 mapping information.
-
- =head2 mapx400
-
- print "mapx400 = ", $rr->mapx400, "\n";
-
- Returns the X.400 part of the RFC1327 mapping information.
-
- =head1 COPYRIGHT
-
- Copyright (c) 1997-2002 Michael Fuhr.
-
- Portions Copyright (c) 2002-2003 Chris Reinhardt.
-
- All rights reserved. This program is free software; you may redistribute
- it and/or modify it under the same terms as Perl itself.
-
- =head1 SEE ALSO
-
- L<perl(1)>, L<Net::DNS>, L<Net::DNS::Resolver>, L<Net::DNS::Packet>,
- L<Net::DNS::Header>, L<Net::DNS::Question>, L<Net::DNS::RR>,
- RFC822, RFC 1327, RFC 2163
-
- =cut
-