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package Net::DNS::RR::ISDN;
# $Id: ISDN.pm,v 1.7 2000/11/19 06:04:02 mfuhr Exp mfuhr $
use strict;
use vars qw(@ISA);
use Net::DNS::Packet;
@ISA = qw(Net::DNS::RR);
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
my ($address, $sa, $len);
($len) = unpack("\@$offset C", $$data);
++$offset;
$address = substr($$data, $offset, $len);
$offset += $len;
if ($len + 1 < $self->{"rdlength"}) {
($len) = unpack("\@$offset C", $$data);
++$offset;
$sa = substr($$data, $offset, $len);
$offset += $len;
}
else {
$sa = "";
}
$self->{"address"} = $address;
$self->{"sa"} = $sa;
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && $string =~ /^['"](.*?)['"]/) {
$self->{"address"} = $1;
my $rest = $';
if ($rest =~ /^\s+['"](.*?)['"]$/) {
$self->{"sa"} = $1;
}
else {
$self->{"sa"} = "";
}
}
return bless $self, $class;
}
sub rdatastr {
my $self = shift;
return exists $self->{"address"}
? qq("$self->{address}" "$self->{sa}")
: "; no data";
}
sub rr_rdata {
my $self = shift;
my $rdata = "";
if (exists $self->{"address"}) {
$rdata .= pack("C", length $self->{"address"});
$rdata .= $self->{"address"};
if ($self->{"sa"}) {
$rdata .= pack("C", length $self->{"sa"});
$rdata .= $self->{"sa"};
}
}
return $rdata;
}
1;
__END__
=head1 NAME
Net::DNS::RR::ISDN - DNS ISDN resource record
=head1 SYNOPSIS
C<use Net::DNS::RR>;
=head1 DESCRIPTION
Class for DNS ISDN resource records.
=head1 METHODS
=head2 address
print "address = ", $rr->address, "\n";
Returns the RR's address field.
=head2 sa
print "subaddress = ", $rr->sa, "\n";
Returns the RR's subaddress field.
=head1 COPYRIGHT
Copyright (c) 1997-1998 Michael Fuhr. All rights reserved. This
program is free software; you can 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 1183 Section 3.2
=cut
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