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package AnyEvent::XMPP::Ext::Pubsub; |
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use strict; |
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use AnyEvent::XMPP::Util qw/simxml split_uri/; |
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use AnyEvent::XMPP::Namespaces qw/xmpp_ns/; |
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use AnyEvent::XMPP::Ext; |
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our @ISA = qw/AnyEvent::XMPP::Ext/; |
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=head1 NAME |
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AnyEvent::XMPP::Ext::Pubsub - Implements XEP-0060: Publish-Subscribe |
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=head1 SYNOPSIS |
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my $con = AnyEvent::XMPP::Connection->new (...); |
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$con->add_extension (my $ps = AnyEvent::XMPP::Ext::Pubsub->new); |
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... |
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=head1 DESCRIPTION |
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This module implements all tasks of handling the publish subscribe |
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mechanism. (partially implemented) |
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=cut |
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sub handle_incoming_pubsub_event { |
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my ($self, $node) = @_; |
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my (@items); |
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if(my ($q) = $node->find_all ([qw/pubsub_ev items/])) { |
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foreach($q->find_all ([qw/pubsub_ev item/])) { |
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push @items, $_; |
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} |
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} |
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$self->event(pubsub_recv => @items); |
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} |
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=head1 METHODS |
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=over 4 |
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=item B |
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This is the constructor for a pubsub object. |
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It takes no further arguments. |
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=cut |
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sub new { |
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my $this = shift; |
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my $class = ref($this) || $this; |
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my $self = bless { @_ }, $class; |
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$self->init; |
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$self |
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} |
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sub init { |
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my ($self) = @_; |
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$self->reg_cb ( |
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ext_before_message_xml => sub { |
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my ($self, $con, $node) = @_; |
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my $handled = 0; |
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for ($node->find_all ([qw/pubsub_ev event/])) { |
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$self->stop_event; |
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$self->handle_incoming_pubsub_event($_); |
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} |
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$handled |
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} |
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); |
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} |
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$cb> is the callback |
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Try to remove a node. |
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=cut |
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sub delete_node { |
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my ($self, $con, $uri, $cb) = @_; |
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my ($service, $node) = split_uri ($uri); |
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$con->send_iq ( |
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set => sub { |
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my ($w) = @_; |
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simxml ($w, defns => 'pubsub_own', node => { |
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name => 'pubsub', childs => [ |
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{ name => 'delete', attrs => [ node => $node ] }, |
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] |
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}); |
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}, |
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sub { |
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my ($node, $err) = @_; |
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
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(defined $service ? (to => $service) : ()) |
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); |
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} |
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$cb> is the callback |
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Try to create a node. |
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=cut |
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sub create_node { |
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my ($self, $con, $uri, $cb) = @_; |
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my ($service, $node) = split_uri ($uri); |
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$con->send_iq ( |
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set => sub { |
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my ($w) = @_; |
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simxml ($w, defns => 'pubsub', node => { |
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name => 'pubsub', childs => [ |
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{ name => 'create', attrs => [ node => $node ] }, |
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{ name => 'configure' } |
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] |
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}); |
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}, |
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sub { |
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my ($node, $err) = @_; |
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
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(defined $service ? (to => $service) : ()) |
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); |
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} |
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$cb> is the callback |
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Try to retrieve items. |
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=cut |
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sub subscribe_node { |
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my ($self, $con, $uri, $cb) = @_; |
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my $jid = $con->jid; |
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my ($service, $node) = split_uri ($uri); |
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$con->send_iq ( |
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set => sub { |
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my ($w) = @_; |
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simxml ($w, defns => 'pubsub', node => { |
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name => 'pubsub', childs => [ |
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{ name => 'subscribe', attrs => [ |
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node => $node, |
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jid => $jid ] |
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} |
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] |
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}); |
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}, |
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sub { |
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my ($node, $err) = @_; |
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
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(defined $service ? (to => $service) : ()) |
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); |
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} |
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=item B($con, $uri, $bc)> |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$cb> is the callback |
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Try to unsubscribe from a node. |
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=cut |
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182
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sub unsubscribe_node { |
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my ($self, $con, $uri, $cb) = @_; |
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my $jid = $con->jid; |
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my ($service, $node) = split_uri ($uri); |
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$con->send_iq ( |
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set => sub { |
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my ($w) = @_; |
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simxml ($w, defns => 'pubsub', node => { |
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name => 'pubsub', childs => [ |
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{ name => 'unsubscribe', attrs => [ |
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node => $node, |
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jid => $jid ] |
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} |
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] |
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}); |
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}, |
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sub { |
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my ($node, $err) = @_; |
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
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(defined $service ? (to => $service) : ()) |
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); |
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} |
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208
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$create_cb> is the callback |
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C<$cb> is the callback |
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214
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Try to publish an item. |
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216
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=cut |
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218
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sub publish_item { |
219
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my ($self, $con, $uri, $create_cb, $cb) = @_; |
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221
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my ($service, $node) = split_uri ($uri); |
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223
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$con->send_iq ( |
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set => sub { |
225
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my ($w) = @_; |
226
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simxml ($w, defns => 'pubsub', node => { |
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name => 'pubsub', childs => [ |
228
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{ name => 'publish', attrs => [ node => $node ], childs => [ |
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{ name => 'item', childs => [ $create_cb ] } |
230
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] |
231
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}, |
232
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] |
233
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}); |
234
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}, |
235
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sub { |
236
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my ($node, $err) = @_; |
237
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warn "OK $create_cb / $cb\n"; |
238
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
240
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(defined $service ? (to => $service) : ()) |
241
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); |
242
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} |
243
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$cb> is the callback |
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Try to retrieve items. |
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=cut |
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sub retrieve_items { |
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my ($self, $con, $uri, $cb) = @_; |
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my($service, $node) = split_uri ($uri); |
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$con->send_iq ( |
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get => sub { |
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my ($w) = @_; |
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simxml ($w, defns => 'pubsub', node => { |
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name => 'pubsub', childs => [ |
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{ name => 'items', attrs => [ node => $node ] } |
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] |
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}); |
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}, |
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sub { |
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my ($node, $err) = @_; |
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$cb->(defined $err ? $err : ()) if $cb; |
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}, |
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(defined $service ? (to => $service) : ()) |
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); |
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} |
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=item B |
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C<$con> is the connection already established, |
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C<$uri> is the name of the node to be created |
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C<$id> is the id of the entry to be retrieved |
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C<$cb> is the cb |
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Try to retrieve item. |
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283
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=cut |
284
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285
|
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sub retrieve_item { |
286
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my ($self, $con, $uri, $id, $cb) = @_; |
287
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288
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my($service, $node) = split_uri ($uri); |
289
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290
|
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$con->send_iq ( |
291
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|
get => sub { |
292
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my ($w) = @_; |
293
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|
|
simxml( $w, defns => 'pubsub', node => { |
294
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name => 'pubsub', childs => [ |
295
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{ name => 'items', attrs => [ node => $node ], |
296
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childs => [ |
297
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{ name => 'item', attrs => [ id => $id ] }] |
298
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|
} |
299
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] |
300
|
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|
}); |
301
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}, |
302
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sub { |
303
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|
|
my ($node, $err) = @_; |
304
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|
|
$cb->(defined $err ? $err : ()) if $cb; |
305
|
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|
|
}, |
306
|
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|
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|
|
(defined $service ? (to => $service) : ()) |
307
|
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|
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|
|
); |
308
|
|
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|
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|
} |
309
|
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310
|
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|
=back |
311
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312
|
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|
|
=head1 AUTHOR |
313
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314
|
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|
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|
|
Robin Redeker, C<< >>, JID: C<< >> |
315
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316
|
|
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|
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|
|
=head1 CONTRIBUTORS |
317
|
|
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|
|
|
318
|
|
|
|
|
|
|
Chris Miceli - additional work on the pubsub extension |
319
|
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|
|
320
|
|
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|
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|
|
=head1 COPYRIGHT & LICENSE |
321
|
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|
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|
322
|
|
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|
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|
|
Copyright 2007, 2008 Robin Redeker, all rights reserved. |
323
|
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|
324
|
|
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|
|
|
|
This program is free software; you can redistribute it and/or modify it |
325
|
|
|
|
|
|
|
under the same terms as Perl itself. |
326
|
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|
|
327
|
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|
|
|
|
=cut |
328
|
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|
|
|
|
|
329
|
|
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|
|
|
|
1; # End of AnyEvent::XMPP::Ext::Pubsub |
330
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