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Editing: Client.pm (8.13 KB)

##############################################################################
#
#  This library is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Library General Public
#  License as published by the Free Software Foundation; either
#  version 2 of the License, or (at your option) any later version.
#
#  This library is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  Library General Public License for more details.
#
#  You should have received a copy of the GNU Library General Public
#  License along with this library; if not, write to the
#  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
#  Boston, MA  02111-1307, USA.
#
#  Copyright (C) 1998-2004 Jabber Software Foundation http://jabber.org/
#
##############################################################################

package Net::XMPP::Client;

=head1 NAME

Net::XMPP::Client - XMPP Client Module

=head1 SYNOPSIS

Net::XMPP::Client is a module that provides a developer easy access
to the Extensible Messaging and Presence Protocol (XMPP).

=head1 DESCRIPTION

Client.pm uses Protocol.pm to provide enough high level APIs and
automation of the low level APIs that writing an XMPP Client in
Perl is trivial.  For those that wish to work with the low level
you can do that too, but those functions are covered in the
documentation for each module.

Net::XMPP::Client provides functions to connect to an XMPP server,
login, send and receive messages, set personal information, create
a new user account, manage the roster, and disconnect.  You can use
all or none of the functions, there is no requirement.

For more information on how the details for how Net::XMPP is written
please see the help for L<Net::XMPP> itself.

For a full list of high level functions available please see
Net::XMPP::Protocol.

=head2 Basic Functions

    use Net::XMPP;

    $Con = Net::XMPP::Client->new();

    $Con->SetCallbacks(...);

    $Con->Execute(hostname=>"jabber.org",
                  username=>"bob",
                  password=>"XXXX",
                  resource=>"Work"
                 );


For the list of available functions see L<Net::XMPP::Protocol>.

  $Con->Disconnect();

=head1 METHODS

=head1 Basic Functions

=head2 new

    new(debuglevel=>0|1|2,
        debugfile=>string,
        debugtime=>0|1)

creates the Client object.  debugfile
should be set to the path for the debug
log to be written.  If set to "stdout"
then the debug will go there.  debuglevel
controls the amount of debug.  For more
information about the valid setting for
debuglevel, debugfile, and debugtime see
Net::XMPP::Debug.

=head2 Connect

    Connect(hostname=>string,
            port=>integer,
            timeout=>int,
            connectiontype=>string,
            tls=>0|1,
            srv=>0|1,
            componentname=>string)

opens a connection to the server
listed in the hostname (default
localhost), on the port (default
5222) listed, using the
connectiontype listed (default
tcpip).  The two connection types
available are:

  tcpip  standard TCP socket
  http   TCP socket, but with the
         headers needed to talk
         through a web proxy

If you specify tls, then it TLS
will be used if it is available
as a feature.

If srv is specified AND Net::DNS is
installed and can be loaded, then
an SRV query is sent to srv.hostname
and the results processed to replace
the hostname and port.  If the lookup
fails, or Net::DNS cannot be loaded,
then hostname and port are left alone
as the defaults.

                                     
Alternatively, you may manually specify
componentname as the domain portion of the
jid and leave hostname set to the actual
hostname of the XMPP server.

=head2 Execute

    Execute(hostname=>string,       
            port=>int,              
            tls=>0|1,               
            username=>string,       
            password=>string,       
            resource=>string,       
            register=>0|1,          
            connectiontype=>string, 
            connecttimeout=>string, 
            connectattempts=>int,   
            connectsleep=>int,      
            processtimeout=>int)    


Generic inner loop to handle
connecting to the server, calling
Process, and reconnecting if the
connection is lost.  There are
five callbacks available that are
called at various places:

 onconnect - when the client has
             made a connection.

 onauth - when the connection is
          made and user has been
          authed.  Essentially,
          this is when you can
        start doing things
        as a Client.  Like
        send presence, get your
        roster, etc...

  onprocess - this is the most
              inner loop and so
              gets called the most.
              Be very very careful
              what you put here
              since it can
              *DRASTICALLY* affect
              performance.

  ondisconnect - when the client
                 disconnects from
                 the server.

  onexit - when the function gives
           up trying to connect and
           exits.

The arguments are passed straight
on to the Connect function, except
for connectattempts and connectsleep.
connectattempts is the number of
times that the Component should try
to connect before giving up.  -1
means try forever.  The default is
-1. connectsleep is the number of
seconds to sleep between each
connection attempt.

If you specify register=>1, then the
Client will attempt to register the
sepecified account for you, if it
does not exist.

=head2 Process

    Process(integer)

takes the timeout period as an argument.  If no
timeout is listed then the function blocks until
a packet is received.  Otherwise it waits that
number of seconds and then exits so your program
can continue doing useful things.  NOTE: This is
important for GUIs.  You need to leave time to
process GUI commands even if you are waiting for
packets.  The following are the possible return
values, and what they mean:

    1   - Status ok, data received.
    0   - Status ok, no data received.
  undef - Status not ok, stop processing.

IMPORTANT: You need to check the output of every
Process.  If you get an undef then the connection
died and you should behave accordingly.

=head2 Disconnect

    Disconnect()

closes the connection to the server.

=head2 Connected

    Connected()

returns 1 if the Transport is connected to the server,
and 0 if not.

=head1 AUTHOR

Originally authored by Ryan Eatmon.

Previously maintained by Eric Hacker. 

Currently maintained by Darian Anthony Patrick.

=head1 COPYRIGHT

This module is free software, you can redistribute it and/or modify it
under the LGPL 2.1.

=cut

require 5.008;
use strict;
use warnings;
use Carp;
use Net::XMPP::Connection;
use base qw( Net::XMPP::Connection );

sub new
{
    my $proto = shift;
    my $self = { };

    bless($self, $proto);
    $self->init(@_);

    $self->{SERVER}->{port} = 5222;
    $self->{SERVER}->{namespace} = "jabber:client";
    $self->{SERVER}->{allow_register} = 1;

    return $self;
}


sub _auth
{
    my $self = shift;

    my %args;
    while($#_ >= 0) { $args{ lc pop(@_) } = pop(@_); }

    my %auth;
    $auth{username} = $args{username};
    $auth{password} = $args{password};
    $auth{resource} = $args{resource} if exists($args{resource});

    return $self->AuthSend(%auth);
}


sub _connection_args
{
    my $self = shift;
    my (%args) = @_;

    my %connect;
    $connect{hostname}       = $args{hostname};
    $connect{port}           = $args{port}           if exists($args{port});
    $connect{connectiontype} = $args{connectiontype} if exists($args{connectiontype});
    $connect{timeout}        = $args{connecttimeout} if exists($args{connecttimeout});
    $connect{tls}            = $args{tls}            if exists($args{tls});

    return %connect;
}


sub _register
{
    my $self = shift;

    my %args;
    while($#_ >= 0) { $args{ lc pop(@_) } = pop(@_); }

    my %fields = $self->RegisterRequest();

    $fields{username} = $args{username};
    $fields{password} = $args{password};

    $self->RegisterSend(%fields);

    return $self->_auth(%args);
}

1;