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.\" ========================================================================
.\"
.IX Title "Net::XMPP::Client 3pm"
.TH Net::XMPP::Client 3pm "2017-01-22" "perl v5.24.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Net::XMPP::Client \- XMPP Client Module
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
Net::XMPP::Client is a module that provides a developer easy access
to the Extensible Messaging and Presence Protocol (\s-1XMPP\s0).
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Client.pm uses Protocol.pm to provide enough high level APIs and
automation of the low level APIs that writing an \s-1XMPP\s0 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.
.PP
Net::XMPP::Client provides functions to connect to an \s-1XMPP\s0 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.
.PP
For more information on how the details for how Net::XMPP is written
please see the help for Net::XMPP itself.
.PP
For a full list of high level functions available please see
Net::XMPP::Protocol.
.SS "Basic Functions"
.IX Subsection "Basic Functions"
.Vb 1
\&    use Net::XMPP;
\&
\&    $Con = Net::XMPP::Client\->new();
\&
\&    $Con\->SetCallbacks(...);
\&
\&    $Con\->Execute(hostname=>"jabber.org",
\&                  username=>"bob",
\&                  password=>"XXXX",
\&                  resource=>"Work"
\&                 );
.Ve
.PP
For the list of available functions see Net::XMPP::Protocol.
.PP
.Vb 1
\&  $Con\->Disconnect();
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SH "Basic Functions"
.IX Header "Basic Functions"
.SS "new"
.IX Subsection "new"
.Vb 3
\&    new(debuglevel=>0|1|2,
\&        debugfile=>string,
\&        debugtime=>0|1)
.Ve
.PP
creates the Client object.  debugfile
should be set to the path for the debug
log to be written.  If set to \*(L"stdout\*(R"
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.
.SS "Connect"
.IX Subsection "Connect"
.Vb 7
\&    Connect(hostname=>string,
\&            port=>integer,
\&            timeout=>int,
\&            connectiontype=>string,
\&            tls=>0|1,
\&            srv=>0|1,
\&            componentname=>string)
.Ve
.PP
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:
.PP
.Vb 4
\&  tcpip  standard TCP socket
\&  http   TCP socket, but with the
\&         headers needed to talk
\&         through a web proxy
.Ve
.PP
If you specify tls, then it \s-1TLS\s0
will be used if it is available
as a feature.
.PP
If srv is specified \s-1AND\s0 Net::DNS is
installed and can be loaded, then
an \s-1SRV\s0 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.
.PP
Alternatively, you may manually specify
componentname as the domain portion of the
jid and leave hostname set to the actual
hostname of the \s-1XMPP\s0 server.
.SS "Execute"
.IX Subsection "Execute"
.Vb 12
\&    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)
.Ve
.PP
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:
.PP
.Vb 2
\& 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.
.Ve
.PP
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.
.PP
If you specify register=>1, then the
Client will attempt to register the
sepecified account for you, if it
does not exist.
.SS "Process"
.IX Subsection "Process"
.Vb 1
\&    Process(integer)
.Ve
.PP
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.  \s-1NOTE:\s0 This is
important for GUIs.  You need to leave time to
process \s-1GUI\s0 commands even if you are waiting for
packets.  The following are the possible return
values, and what they mean:
.PP
.Vb 3
\&    1   \- Status ok, data received.
\&    0   \- Status ok, no data received.
\&  undef \- Status not ok, stop processing.
.Ve
.PP
\&\s-1IMPORTANT:\s0 You need to check the output of every
Process.  If you get an undef then the connection
died and you should behave accordingly.
.SS "Disconnect"
.IX Subsection "Disconnect"
.Vb 1
\&    Disconnect()
.Ve
.PP
closes the connection to the server.
.SS "Connected"
.IX Subsection "Connected"
.Vb 1
\&    Connected()
.Ve
.PP
returns 1 if the Transport is connected to the server,
and 0 if not.
.SH "AUTHOR"
.IX Header "AUTHOR"
Originally authored by Ryan Eatmon.
.PP
Previously maintained by Eric Hacker.
.PP
Currently maintained by Darian Anthony Patrick.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
This module is free software, you can redistribute it and/or modify it
under the \s-1LGPL 2.1.\s0