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- package Net::DNS::RR::AAAA;
- #
- # $Id: AAAA.pm,v 2.101 2004/01/04 04:31:10 ctriv Exp $
- #
- use strict;
- use vars qw(@ISA $VERSION);
-
- use Net::DNS;
-
- @ISA = qw(Net::DNS::RR);
- $VERSION = (qw$Revision: 2.101 $)[1];
-
- sub new {
- my ($class, $self, $data, $offset) = @_;
-
- if ($self->{"rdlength"} > 0) {
- my @addr = unpack("\@$offset n8", $$data);
- $self->{"address"} = sprintf("%x:%x:%x:%x:%x:%x:%x:%x", @addr);
- }
- return bless $self, $class;
- }
-
- sub new_from_string {
- my ($class, $self, $string) = @_;
-
- if ($string) {
- my @addr;
-
- # I think this is correct, per RFC 1884 Sections 2.2 & 2.4.4.
- if ($string =~ /^(.*):(\d+)\.(\d+)\.(\d+)\.(\d+)$/) {
- my ($front, $a, $b, $c, $d) = ($1, $2, $3, $4, $5);
- $string = $front . sprintf(":%x:%x",
- ($a << 8 | $b),
- ($c << 8 | $d));
- }
-
- if ($string =~ /^(.*)::(.*)$/) {
- my ($front, $back) = ($1, $2);
- my @front = split(/:/, $front);
- my @back = split(/:/, $back);
- my $fill = 8 - (@front ? $#front + 1 : 0)
- - (@back ? $#back + 1 : 0);
- my @middle = (0) x $fill;
- @addr = (@front, @middle, @back);
- }
- else {
- @addr = split(/:/, $string);
- if (@addr < 8) {
- @addr = ((0) x (8 - @addr), @addr);
- }
- }
-
- $self->{"address"} = sprintf("%x:%x:%x:%x:%x:%x:%x:%x",
- map { hex $_ } @addr);
- }
-
- return bless $self, $class;
- }
-
- sub rdatastr {
- my $self = shift;
-
- return $self->{"address"} || '';
- }
-
- sub rr_rdata {
- my $self = shift;
- my $rdata = "";
-
- if (exists $self->{"address"}) {
- my @addr = split(/:/, $self->{"address"});
- $rdata .= pack("n8", map { hex $_ } @addr);
- }
-
- return $rdata;
- }
-
- 1;
- __END__
-
- =head1 NAME
-
- Net::DNS::RR::AAAA - DNS AAAA resource record
-
- =head1 SYNOPSIS
-
- C<use Net::DNS::RR>;
-
- =head1 DESCRIPTION
-
- Class for DNS IPv6 Address (AAAA) resource records.
-
- =head1 METHODS
-
- =head2 address
-
- print "address = ", $rr->address, "\n";
-
- Returns the RR's address field.
-
- =head1 BUGS
-
- The C<string> method returns only the preferred method of address
- representation ("x:x:x:x:x:x:x:x", as documented in RFC 1884,
- Section 2.2, Para 1).
-
- =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>,
- RFC 1886 Section 2, RFC 1884 Sections 2.2 & 2.4.4
-
- =cut
-