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package Net::DNS::RR::SRV;
# $Id: SRV.pm,v 1.5 2000/11/19 06:06:11 mfuhr Exp mfuhr $
use strict;
use vars qw(@ISA);
use Net::DNS;
use Net::DNS::Packet;
@ISA = qw(Net::DNS::RR);
sub new {
my ($class, $self, $data, $offset) = @_;
if ($self->{"rdlength"} > 0) {
my ($priority, $weight, $port) = unpack("\@$offset n3", $$data);
$offset += 3 * &Net::DNS::INT16SZ;
my($target) = Net::DNS::Packet::dn_expand($data, $offset);
$self->{"priority"} = $priority;
$self->{"weight"} = $weight;
$self->{"port"} = $port;
$self->{"target"} = $target;
}
return bless $self, $class;
}
sub new_from_string {
my ($class, $self, $string) = @_;
if ($string && ($string =~ /^(\d+)\s+(\d+)\s+(\d+)\s+(\S+)$/)) {
$self->{"priority"} = $1;
$self->{"weight"} = $2;
$self->{"port"} = $3;
$self->{"target"} = $4;
$self->{"target"} =~ s/\.+$//;
}
return bless $self, $class;
}
sub rdatastr {
my $self = shift;
my $rdatastr;
if (exists $self->{"priority"}) {
$rdatastr = "$self->{priority} $self->{weight} " .
"$self->{port} $self->{target}.";
}
else {
$rdatastr = "; no data";
}
return $rdatastr;
}
sub rr_rdata {
my ($self, $packet, $offset) = @_;
my $rdata = "";
if (exists $self->{"priority"}) {
$rdata .= pack("n3", $self->{"priority"}, $self->{"weight"},
$self->{"port"});
$rdata .= $packet->dn_comp($self->{"target"},
$offset + length $rdata);
}
return $rdata;
}
1;
__END__
=head1 NAME
Net::DNS::RR::SRV - DNS SRV resource record
=head1 SYNOPSIS
C<use Net::DNS::RR>;
=head1 DESCRIPTION
Class for DNS Service (SRV) resource records.
=head1 METHODS
=head2 priority
print "priority = ", $rr->priority, "\n";
Returns the priority for this target host.
=head2 weight
print "weight = ", $rr->weight, "\n";
Returns the weight for this target host.
=head2 port
print "port = ", $rr->port, "\n";
Returns the port on this target host for the service.
=head2 target
print "target = ", $rr->target, "\n";
Returns the target host.
=head1 COPYRIGHT
Copyright (c) 1997-2000 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 2782
=cut
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