package Net::DNS::RR::A;
use strict;
BEGIN {
eval { require bytes; }
}
use vars qw(@ISA $VERSION);
use Socket;
@ISA = qw(Net::DNS::RR);
$VERSION = (qw$LastChangedRevision: 546 $)[1];
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
$self->{"address"} = inet_ntoa(substr($$data, $offset, 4));
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && ($string =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)\s*$/o)
&& ($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 $self->{"address"} || '';
}
sub rr_rdata {
my $self = shift;
return exists $self->{"address"}
? inet_aton($self->{"address"})
: "";
}
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) 1997-2002 Michael Fuhr.
Portions Copyright (c) 2002-2004 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 1035 Section 3.4.1
=cut