Eric Hacker > Net-XMPP-1.02 > Net::XMPP

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Module Version: 1.02   Source   Latest Release: Net-XMPP-1.05

NAME ^

Net::XMPP - XMPP Perl Library

SYNOPSIS ^

  Net::XMPP provides a Perl user with access to the Extensible
  Messaging and Presence Protocol (XMPP).

  For more information about XMPP visit:

    http://www.xmpp.org

DESCRIPTION ^

  Net::XMPP is a convenient tool to use for any perl script that would
  like to utilize the XMPP Instant Messaging protocol.  While not a
  client in and of itself, it provides all of the necessary back-end
  functions to make a CGI client or command-line perl client feasible
  and easy to use.  Net::XMPP is a wrapper around the rest of the
  official Net::XMPP::xxxxxx packages.

  There is are example scripts in the example directory that provide you
  with examples of very simple XMPP programs.


  NOTE: The parser that XML::Stream::Parser provides, as are most Perl
  parsers, is synchronous.  If you are in the middle of parsing a packet
  and call a user defined callback, the Parser is blocked until your
  callback finishes.  This means you cannot be operating on a packet,
  send out another packet and wait for a response to that packet.  It
  will never get to you.  Threading might solve this, but as of this
  writing threading in Perl is not quite up to par yet.  This issue will
  be revisted in the future.

EXAMPLES ^

      use Net::XMPP;
      my $client = new Net::XMPP::Client();

METHODS ^

  The Net::XMPP module does not define any methods that you will call
  directly in your code.  Instead you will instantiate objects that call
  functions from this module to do work.  The three main objects that
  you will work with are the Message, Presence, and IQ modules. Each one
  corresponds to the Jabber equivilant and allows you get and set all
  parts of those packets.

  There are a few functions that are the same across all of the objects:

Retrieval functions

  GetXML() - returns the XML string that represents the data contained
             in the object.

             $xml  = $obj->GetXML();

  GetChild()          - returns an array of Net::XMPP::Stanza objects
  GetChild(namespace)   that represent all of the stanzas in the object
                        that are namespaced.  If you specify a namespace
                        then only stanza objects with that XMLNS are
                        returned.

                        @xObj = $obj->GetChild();
                        @xObj = $obj->GetChild("my:namespace");

  GetTag() - return the root tag name of the packet.

  GetTree() - return the XML::Stream::Node object that contains the data.
              See XML::Stream::Node for methods you can call on this
              object.

Creation functions

  NewChild(namespace)     - creates a new Net::XMPP::Stanza object with
  NewChild(namespace,tag)   the specified namespace and root tag of
                            whatever the namespace says its root tag
                            should be.  Optionally you may specify
                            another root tag if the default is not
                            desired, or the namespace requres you to set
                            one.

                            $xObj = $obj->NewChild("my:namespace");
                            $xObj = $obj->NewChild("my:namespace","foo");
                              ie. <foo xmlns='my:namespace'...></foo>

  InsertRawXML(string) - puts the specified string raw into the XML
                         packet that you call this on.

                         $message->InsertRawXML("<foo></foo>")
                           <message...>...<foo></foo></message>

                         $x = $message->NewChild(..);
                         $x->InsertRawXML("test");

                         $query = $iq->GetChild(..);
                         $query->InsertRawXML("test");

  ClearRawXML() - removes the raw XML from the packet.

Removal functions

  RemoveChild()          - removes all of the namespaces child elements
  RemoveChild(namespace)   from the object.  If a namespace is provided,
                           then only the children with that namespace are
                           removed.

Test functions

  DefinedChild()          - returns 1 if there are any known namespaced
  DefinedChild(namespace)   stanzas in the packet, 0 otherwise.
                            Optionally you can specify a namespace and
                            determine if there are any stanzas with that
                            namespace.

                            $test = $obj->DefinedChild();
                            $test = $obj->DefinedChild("my:namespace");

PACKAGES ^

  For more information on each of these packages, please see the man page
  for each one.

Net::XMPP::Client

  This package contains the code needed to communicate with an XMPP
  server: login, wait for messages, send messages, and logout.  It uses
  XML::Stream to read the stream from the server and based on what kind
  of tag it encounters it calls a function to handle the tag.

Net::XMPP::Protocol

  A collection of high-level functions that Client uses to make their
  lives easier.  These methods are inherited by the Client.

Net::XMPP::JID

  The XMPP IDs consist of three parts: user id, server, and resource.
  This module gives you access to those components without having to
  parse the string yourself.

Net::XMPP::Message

  Everything needed to create and read a <message/> received from the
  server.

Net::XMPP::Presence

  Everything needed to create and read a <presence/> received from the
  server.

Net::XMPP::IQ

  IQ is a wrapper around a number of modules that provide support for
  the various Info/Query namespaces that XMPP recognizes.

Net::XMPP::Stanza

  This module represents a namespaced stanza that is used to extend a
  <message/>, <presence/>, and <iq/>.

  The man page for Net::XMPP::Stanza contains a listing of all supported
  namespaces, and the methods that are supported by the objects that
  represent those namespaces.

Net::XMPP::Namespaces

  XMPP allows for any stanza to be extended by any bit of XML.  This
  module contains all of the internals for defining the XMPP based
  extensions defined by the IETF.  The documentation for this module
  explains more about how to add your own custom namespace and have it
  be supported.

AUTHOR ^

Ryan Eatmon Currently maintained by Eric Hacker.

BUGS ^

Probably. There is at least one issue with XLM::Stream providing different node structures depending on how the node is created. Net::XMPP should now be able to handle this, but who knows what else lurks.

COPYRIGHT ^

This module is free software, you can redistribute it and/or modify it under the LGPL.

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