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package Net::DNS::RR::A;
# $Id: A.pm,v 1.5 2000/11/19 06:02:34 mfuhr Exp mfuhr $
use strict;
use vars qw(@ISA);
use Socket;
use Net::DNS;
@ISA = qw(Net::DNS::RR);
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
my $addr = inet_ntoa(substr($$data, $offset, 4));
$self->{"address"} = $addr;
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && ($string =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)\s*$/)
&& ($1 >= 0) && ($1 <= 255)
&& ($2 >= 0) && ($2 <= 255)
&& ($3 >= 0) && ($3 <= 255)
&& ($4 >= 0) && ($4 <= 255) ) {
$self->{"address"} = "$1.$2.$3.$4";
}
return bless $self, $class;
}
sub rdatastr {
my $self = shift;
return exists $self->{"address"} && $self->{"address"}
? $self->{"address"}
: "; no data";
}
sub rr_rdata {
my $self = shift;
my $rdata = exists $self->{"address"}
? inet_aton($self->{"address"})
: "";
return $rdata;
}
1;
__END__
=head1 NAME
Net::DNS::RR::A - DNS A resource record
=head1 SYNOPSIS
C<use Net::DNS::RR>;
=head1 DESCRIPTION
Class for DNS Address (A) resource records.
=head1 METHODS
=head2 address
print "address = ", $rr->address, "\n";
Returns the RR's address 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 1035 Section 3.4.1
=cut
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