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# Copyright (c) 2000-2004 Graham Barr <>. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
package Net::LDAP::Control::Paged;
use vars qw(@ISA $VERSION);
use Net::LDAP::Control;
@ISA = qw(Net::LDAP::Control);
$VERSION = "0.02";
use Net::LDAP::ASN qw(realSearchControlValue);
use strict;
sub init {
my($self) = @_;
delete $self->{asn};
unless (exists $self->{value}) {
$self->{asn} = {
size => $self->{size} || 0,
cookie => defined($self->{cookie}) ? $self->{cookie} : ''
sub cookie {
my $self = shift;
$self->{asn} ||= $realSearchControlValue->decode($self->{value});
if (@_) {
delete $self->{value};
return $self->{asn}{cookie} = defined($_[0]) ? $_[0] : '';
sub size {
my $self = shift;
$self->{asn} ||= $realSearchControlValue->decode($self->{value});
if (@_) {
delete $self->{value};
return $self->{asn}{size} = shift || 0;
sub value {
my $self = shift;
exists $self->{value}
? $self->{value}
: $self->{value} = $realSearchControlValue->encode($self->{asn});
=head1 NAME
Net::LDAP::Control::Paged - LDAPv3 Paged results control object
use Net::LDAP;
use Net::LDAP::Control::Paged;
use Net::LDAP::Constant qw( LDAP_CONTROL_PAGED );
$ldap = Net::LDAP->new( "" );
$page = Net::LDAP::Control::Paged->new( size => 100 );
@args = ( base => "cn=subnets,cn=sites,cn=configuration,$BASE_DN",
scope => "subtree",
filter => "(objectClass=subnet)",
callback => \&process_entry, # Call this sub for each entry
control => [ $page ],
my $cookie;
while(1) {
# Perform search
my $mesg = $ldap->search( @args );
# Only continue on LDAP_SUCCESS
$mesg->code and last;
# Get cookie from paged control
my($resp) = $mesg->control( LDAP_CONTROL_PAGED ) or last;
$cookie = $resp->cookie or last;
# Set cookie in paged control
if ($cookie) {
# We had an abnormal exit, so let the server know we do not want any more
$ldap->search( @args );
C<Net::LDAP::Control::Paged> provides an interface for the creation and manipulatrion
of objects that represent the C<pagedResultsControl> as described by RFC-2696.
In addition to the constructor arguments described in
L<Net::LDAP::Control> the following are provided.
=over 4
=item cookie
The value to use as the cookie. This is not normally set when an object is
created, but is set from the cookie value returned bu the server. This associates
a search with a previous search, so the server knows to return the page
of entries following the entries it returned the previous time.
=item size
The page size that is required. This is the maximum number of entries that the
server will return to the search request.
=head1 METHODS
As with L<Net::LDAP::Control> each constructor argument
described above is also avaliable as a method on the object which will
return the current value for the attribute if called without an argument,
and set a new value for the attribute if called with an argument.
=head1 SEE ALSO
=head1 AUTHOR
Graham Barr E<lt>gbarr@pobox.comE<gt>
Please report any bugs, or post any suggestions, to the perl-ldap mailing list
Copyright (c) 2000-2004 Graham Barr. All rights reserved. This program is
free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
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