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package Net::DNS::RR::LP; # # $Id: LP.pm 1597 2017-09-22 08:04:02Z willem $ # our $VERSION = (qw$LastChangedRevision: 1597 $)[1]; use strict; use warnings; use base qw(Net::DNS::RR); =head1 NAME Net::DNS::RR::LP - DNS LP resource record =cut use integer; sub _decode_rdata { ## decode rdata from wire-format octet string my $self = shift; my ( $data, $offset ) = @_; $self->{preference} = unpack( "\@$offset n", $$data ); $self->{target} = decode Net::DNS::DomainName( $data, $offset + 2 ); } sub _encode_rdata { ## encode rdata as wire-format octet string my $self = shift; my $target = $self->{target}; pack 'n a*', $self->preference, $target->encode(); } sub _format_rdata { ## format rdata portion of RR string. my $self = shift; my $target = $self->{target}; join ' ', $self->preference, $target->string; } sub _parse_rdata { ## populate RR from rdata in argument list my $self = shift; $self->preference(shift); $self->target(shift); } sub preference { my $self = shift; $self->{preference} = 0 + shift if scalar @_; $self->{preference} \|\| 0; } sub target { my $self = shift; $self->{target} = new Net::DNS::DomainName(shift) if scalar @_; $self->{target}->name if $self->{target}; } sub FQDN { shift->{target}->fqdn; } sub fqdn { shift->{target}->fqdn; } my $function = sub { ## sort RRs in numerically ascending order. $Net::DNS::a->{'preference'} <=> $Net::DNS::b->{'preference'}; }; __PACKAGE__->set_rrsort_func( 'preference', $function ); __PACKAGE__->set_rrsort_func( 'default_sort', $function ); 1; __END__ =head1 SYNOPSIS use Net::DNS; $rr = new Net::DNS::RR('name IN LP preference FQDN'); $rr = new Net::DNS::RR( name => 'example.com', type => 'LP', preference => 10, target => 'target.example.com.' ); =head1 DESCRIPTION Class for DNS Locator Pointer (LP) resource records. The LP DNS resource record (RR) is used to hold the name of a subnetwork for ILNP. The name is an FQDN which can then be used to look up L32 or L64 records. LP is, effectively, a Locator Pointer to L32 and/or L64 records. =head1 METHODS The available methods are those inherited from the base class augmented by the type-specific methods defined in this package. Use of undocumented package features or direct access to internal data structures is discouraged and could result in program termination or other unpredictable behaviour. =head2 preference $preference = $rr->preference; $rr->preference( $preference ); A 16 bit unsigned integer in network byte order that indicates the relative preference for this LP record among other LP records associated with this owner name. Lower values are preferred over higher values. =head2 FQDN, fqdn =head2 target $target = $rr->target; $rr->target( $target ); The FQDN field contains the DNS target name that is used to reference L32 and/or L64 records. =head1 COPYRIGHT Copyright (c)2012 Dick Franks. All rights reserved. Package template (c)2009,2012 O.M.Kolkman and R.W.Franks. =head1 LICENSE Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. =head1 SEE ALSO L<perl>, L<Net::DNS>, L<Net::DNS::RR>, RFC6742 =cut

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