forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			764 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			764 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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						|
/**
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 * XMPPHP: The PHP XMPP Library
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 * Copyright (C) 2008  Nathanael C. Fritz
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 * This file is part of SleekXMPP.
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 * 
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 * XMPPHP is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 * 
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 * XMPPHP is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 * 
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 * You should have received a copy of the GNU General Public License
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 * along with XMPPHP; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 * @category   xmpphp 
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 * @package	XMPPHP
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 * @author	 Nathanael C. Fritz <JID: fritzy@netflint.net>
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 * @author	 Stephan Wentz <JID: stephan@jabber.wentz.it>
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 * @author	 Michael Garvin <JID: gar@netflint.net>
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 * @copyright  2008 Nathanael C. Fritz
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 */
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/** XMPPHP_Exception */
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require_once dirname(__FILE__) . '/Exception.php';
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/** XMPPHP_XMLObj */
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require_once dirname(__FILE__) . '/XMLObj.php';
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/** XMPPHP_Log */
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require_once dirname(__FILE__) . '/Log.php';
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/**
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 * XMPPHP XML Stream
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 * 
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 * @category   xmpphp 
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 * @package	XMPPHP
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 * @author	 Nathanael C. Fritz <JID: fritzy@netflint.net>
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 * @author	 Stephan Wentz <JID: stephan@jabber.wentz.it>
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 * @author	 Michael Garvin <JID: gar@netflint.net>
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 * @copyright  2008 Nathanael C. Fritz
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 * @version	$Id$
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 */
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class XMPPHP_XMLStream {
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	/**
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	 * @var resource
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	 */
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	protected $socket;
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	/**
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	 * @var resource
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	 */
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	protected $parser;
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	/**
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	 * @var string
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	 */
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	protected $buffer;
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	/**
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	 * @var integer
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	 */
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	protected $xml_depth = 0;
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	/**
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	 * @var string
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	 */
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	protected $host;
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	/**
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	 * @var integer
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	 */
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	protected $port;
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	/**
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	 * @var string
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	 */
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	protected $stream_start = '<stream>';
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	/**
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	 * @var string
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	 */
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	protected $stream_end = '</stream>';
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	/**
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	 * @var boolean
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	 */
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	protected $disconnected = false;
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	/**
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	 * @var boolean
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	 */
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	protected $sent_disconnect = false;
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	/**
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	 * @var array
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	 */
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	protected $ns_map = array();
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	/**
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	 * @var array
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	 */
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	protected $current_ns = array();
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	/**
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	 * @var array
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	 */
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	protected $xmlobj = null;
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	/**
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	 * @var array
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	 */
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	protected $nshandlers = array();
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	/**
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	 * @var array
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	 */
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	protected $xpathhandlers = array();
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	/**
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	 * @var array
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	 */
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	protected $idhandlers = array();
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	/**
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	 * @var array
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	 */
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	protected $eventhandlers = array();
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	/**
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	 * @var integer
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	 */
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	protected $lastid = 0;
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	/**
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	 * @var string
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	 */
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	protected $default_ns;
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	/**
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	 * @var string
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	 */
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	protected $until = '';
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	/**
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	 * @var string
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	 */
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	protected $until_count = '';
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	/**
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	 * @var array
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	 */
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	protected $until_happened = false;
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	/**
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	 * @var array
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	 */
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	protected $until_payload = array();
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	/**
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	 * @var XMPPHP_Log
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	 */
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	protected $log;
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	/**
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	 * @var boolean
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	 */
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	protected $reconnect = true;
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	/**
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	 * @var boolean
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	 */
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	protected $been_reset = false;
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	/**
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	 * @var boolean
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	 */
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	protected $is_server;
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	/**
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	 * @var float
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	 */
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	protected $last_send = 0;
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	/**
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	 * @var boolean
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	 */
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	protected $use_ssl = false;
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	/**
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	 * @var integer
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	 */
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	protected $reconnectTimeout = 30;
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	/**
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	 * Constructor
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	 *
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	 * @param string  $host
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	 * @param string  $port
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	 * @param boolean $printlog
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	 * @param string  $loglevel
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	 * @param boolean $is_server
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	 */
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	public function __construct($host = null, $port = null, $printlog = false, $loglevel = null, $is_server = false) {
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		$this->reconnect = !$is_server;
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		$this->is_server = $is_server;
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		$this->host = $host;
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		$this->port = $port;
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		$this->setupParser();
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		$this->log = new XMPPHP_Log($printlog, $loglevel);
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	}
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	/**
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	 * Destructor
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	 * Cleanup connection
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	 */
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	public function __destruct() {
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		if(!$this->disconnected && $this->socket) {
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			$this->disconnect();
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		}
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	}
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	/**
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	 * Return the log instance
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	 *
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	 * @return XMPPHP_Log
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	 */
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	public function getLog() {
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		return $this->log;
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	}
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	/**
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	 * Get next ID
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	 *
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	 * @return integer
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	 */
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	public function getId() {
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		$this->lastid++;
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		return $this->lastid;
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	}
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	/**
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	 * Set SSL
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	 *
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	 * @return integer
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	 */
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	public function useSSL($use=true) {
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		$this->use_ssl = $use;
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	}
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	/**
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	 * Add ID Handler
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	 *
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	 * @param integer $id
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	 * @param string  $pointer
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	 * @param string  $obj
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	 */
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	public function addIdHandler($id, $pointer, $obj = null) {
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		$this->idhandlers[$id] = array($pointer, $obj);
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	}
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	/**
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	 * Add Handler
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	 *
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	 * @param string $name
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	 * @param string  $ns
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	 * @param string  $pointer
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	 * @param string  $obj
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	 * @param integer $depth
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	 */
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	public function addHandler($name, $ns, $pointer, $obj = null, $depth = 1) {
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		#TODO deprication warning
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		$this->nshandlers[] = array($name,$ns,$pointer,$obj, $depth);
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	}
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	/**
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	 * Add XPath Handler
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	 *
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	 * @param string $xpath
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	 * @param string $pointer
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	 * @param
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	 */
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	public function addXPathHandler($xpath, $pointer, $obj = null) {
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		if (preg_match_all("/\(?{[^\}]+}\)?(\/?)[^\/]+/", $xpath, $regs)) {
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			$ns_tags = $regs[0];
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		} else {
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			$ns_tags = array($xpath);
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		}
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		foreach($ns_tags as $ns_tag) {
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			list($l, $r) = split("}", $ns_tag);
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			if ($r != null) {
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				$xpart = array(substr($l, 1), $r);
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			} else {
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				$xpart = array(null, $l);
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			}
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			$xpath_array[] = $xpart;
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		}
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		$this->xpathhandlers[] = array($xpath_array, $pointer, $obj);
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	}
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	/**
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	 * Add Event Handler
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	 *
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	 * @param integer $id
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	 * @param string  $pointer
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	 * @param string  $obj
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	 */
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	public function addEventHandler($name, $pointer, $obj) {
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		$this->eventhandlers[] = array($name, $pointer, $obj);
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	}
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	/**
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	 * Connect to XMPP Host
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	 *
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	 * @param integer $timeout
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	 * @param boolean $persistent
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	 * @param boolean $sendinit
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	 */
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	public function connect($timeout = 30, $persistent = false, $sendinit = true) {
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		$this->sent_disconnect = false;
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		$starttime = time();
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		do {
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			$this->disconnected = false;
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			$this->sent_disconnect = false;
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			if($persistent) {
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				$conflag = STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT;
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			} else {
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				$conflag = STREAM_CLIENT_CONNECT;
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			}
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			$conntype = 'tcp';
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			if($this->use_ssl) $conntype = 'ssl';
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			$this->log->log("Connecting to $conntype://{$this->host}:{$this->port}");
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			try {
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				$this->socket = @stream_socket_client("$conntype://{$this->host}:{$this->port}", $errno, $errstr, $timeout, $conflag);
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			} catch (Exception $e) {
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				throw new XMPPHP_Exception($e->getMessage());
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			}
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			if(!$this->socket) {
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				$this->log->log("Could not connect.",  XMPPHP_Log::LEVEL_ERROR);
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				$this->disconnected = true;
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				# Take it easy for a few seconds
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				sleep(min($timeout, 5));
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			}
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		} while (!$this->socket && (time() - $starttime) < $timeout);
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		if ($this->socket) {
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			stream_set_blocking($this->socket, 1);
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			if($sendinit) $this->send($this->stream_start);
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		} else {
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			throw new XMPPHP_Exception("Could not connect before timeout.");
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		}
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	}
 | 
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 | 
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	/**
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	 * Reconnect XMPP Host
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	 */
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	public function doReconnect() {
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		if(!$this->is_server) {
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			$this->log->log("Reconnecting ($this->reconnectTimeout)...",  XMPPHP_Log::LEVEL_WARNING);
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			$this->connect($this->reconnectTimeout, false, false);
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			$this->reset();
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			$this->event('reconnect');
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		}
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	}
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	public function setReconnectTimeout($timeout) {
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		$this->reconnectTimeout = $timeout;
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	}
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 | 
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	/**
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	 * Disconnect from XMPP Host
 | 
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	 */
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	public function disconnect() {
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		$this->log->log("Disconnecting...",  XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
		if(false == (bool) $this->socket) {
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			return;
 | 
						|
		}
 | 
						|
		$this->reconnect = false;
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						|
		$this->send($this->stream_end);
 | 
						|
		$this->sent_disconnect = true;
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		$this->processUntil('end_stream', 5);
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		$this->disconnected = true;
 | 
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	}
 | 
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 | 
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	/**
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	 * Are we are disconnected?
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	 *
 | 
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	 * @return boolean
 | 
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	 */
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	public function isDisconnected() {
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		return $this->disconnected;
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	}
 | 
						|
 | 
						|
	/**
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	 * Core reading tool
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	 * 0 -> only read if data is immediately ready
 | 
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	 * NULL -> wait forever and ever
 | 
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	 * integer -> process for this amount of time 
 | 
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	 */
 | 
						|
	
 | 
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	private function __process($maximum=5) {
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		$remaining = $maximum;
 | 
						|
		
 | 
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		do {
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			$starttime = (microtime(true) * 1000000);
 | 
						|
			$read = array($this->socket);
 | 
						|
			$write = array();
 | 
						|
			$except = array();
 | 
						|
			if (is_null($maximum)) {
 | 
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				$secs = NULL;
 | 
						|
				$usecs = NULL;
 | 
						|
			} else if ($maximum == 0) {
 | 
						|
				$secs = 0;
 | 
						|
				$usecs = 0;
 | 
						|
			} else {
 | 
						|
				$usecs = $remaining % 1000000;
 | 
						|
				$secs = floor(($remaining - $usecs) / 1000000);
 | 
						|
			}
 | 
						|
			$updated = @stream_select($read, $write, $except, $secs, $usecs);
 | 
						|
			if ($updated === false) {
 | 
						|
				$this->log->log("Error on stream_select()",  XMPPHP_Log::LEVEL_VERBOSE);				
 | 
						|
				if ($this->reconnect) {
 | 
						|
					$this->doReconnect();
 | 
						|
				} else {
 | 
						|
					fclose($this->socket);
 | 
						|
					$this->socket = NULL;
 | 
						|
					return false;
 | 
						|
				}
 | 
						|
			} else if ($updated > 0) {
 | 
						|
				# XXX: Is this big enough?
 | 
						|
				$buff = @fread($this->socket, 4096);
 | 
						|
				if(!$buff) { 
 | 
						|
					if($this->reconnect) {
 | 
						|
						$this->doReconnect();
 | 
						|
					} else {
 | 
						|
						fclose($this->socket);
 | 
						|
						$this->socket = NULL;
 | 
						|
						return false;
 | 
						|
					}
 | 
						|
				}
 | 
						|
				$this->log->log("RECV: $buff",  XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
				xml_parse($this->parser, $buff, false);
 | 
						|
			} else {
 | 
						|
				# $updated == 0 means no changes during timeout.
 | 
						|
			}
 | 
						|
			$endtime = (microtime(true)*1000000);
 | 
						|
			$time_past = $endtime - $starttime;
 | 
						|
			$remaining = $remaining - $time_past;
 | 
						|
		} while (is_null($maximum) || $remaining > 0);
 | 
						|
		return true;
 | 
						|
	}
 | 
						|
	
 | 
						|
	/**
 | 
						|
	 * Process
 | 
						|
	 *
 | 
						|
	 * @return string
 | 
						|
	 */
 | 
						|
	public function process() {
 | 
						|
		$this->__process(NULL);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Process until a timeout occurs
 | 
						|
	 *
 | 
						|
	 * @param integer $timeout
 | 
						|
	 * @return string
 | 
						|
	 */
 | 
						|
	public function processTime($timeout=NULL) {
 | 
						|
		if (is_null($timeout)) {
 | 
						|
			return $this->__process(NULL);
 | 
						|
		} else {
 | 
						|
			return $this->__process($timeout * 1000000);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Process until a specified event or a timeout occurs
 | 
						|
	 *
 | 
						|
	 * @param string|array $event
 | 
						|
	 * @param integer $timeout
 | 
						|
	 * @return string
 | 
						|
	 */
 | 
						|
	public function processUntil($event, $timeout=-1) {
 | 
						|
		$start = time();
 | 
						|
		if(!is_array($event)) $event = array($event);
 | 
						|
		$this->until[] = $event;
 | 
						|
		end($this->until);
 | 
						|
		$event_key = key($this->until);
 | 
						|
		reset($this->until);
 | 
						|
		$this->until_count[$event_key] = 0;
 | 
						|
		$updated = '';
 | 
						|
		while(!$this->disconnected and $this->until_count[$event_key] < 1 and (time() - $start < $timeout or $timeout == -1)) {
 | 
						|
			$this->__process();
 | 
						|
		}
 | 
						|
		if(array_key_exists($event_key, $this->until_payload)) {
 | 
						|
			$payload = $this->until_payload[$event_key];
 | 
						|
			unset($this->until_payload[$event_key]);
 | 
						|
			unset($this->until_count[$event_key]);
 | 
						|
			unset($this->until[$event_key]);
 | 
						|
		} else {
 | 
						|
			$payload = array();
 | 
						|
		}
 | 
						|
		return $payload;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Obsolete?
 | 
						|
	 */
 | 
						|
	public function Xapply_socket($socket) {
 | 
						|
		$this->socket = $socket;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * XML start callback
 | 
						|
	 * 
 | 
						|
	 * @see xml_set_element_handler
 | 
						|
	 *
 | 
						|
	 * @param resource $parser
 | 
						|
	 * @param string   $name
 | 
						|
	 */
 | 
						|
	public function startXML($parser, $name, $attr) {
 | 
						|
		if($this->been_reset) {
 | 
						|
			$this->been_reset = false;
 | 
						|
			$this->xml_depth = 0;
 | 
						|
		}
 | 
						|
		$this->xml_depth++;
 | 
						|
		if(array_key_exists('XMLNS', $attr)) {
 | 
						|
			$this->current_ns[$this->xml_depth] = $attr['XMLNS'];
 | 
						|
		} else {
 | 
						|
			$this->current_ns[$this->xml_depth] = $this->current_ns[$this->xml_depth - 1];
 | 
						|
			if(!$this->current_ns[$this->xml_depth]) $this->current_ns[$this->xml_depth] = $this->default_ns;
 | 
						|
		}
 | 
						|
		$ns = $this->current_ns[$this->xml_depth];
 | 
						|
		foreach($attr as $key => $value) {
 | 
						|
			if(strstr($key, ":")) {
 | 
						|
				$key = explode(':', $key);
 | 
						|
				$key = $key[1];
 | 
						|
				$this->ns_map[$key] = $value;
 | 
						|
			}
 | 
						|
		}
 | 
						|
		if(!strstr($name, ":") === false)
 | 
						|
		{
 | 
						|
			$name = explode(':', $name);
 | 
						|
			$ns = $this->ns_map[$name[0]];
 | 
						|
			$name = $name[1];
 | 
						|
		}
 | 
						|
		$obj = new XMPPHP_XMLObj($name, $ns, $attr);
 | 
						|
		if($this->xml_depth > 1) {
 | 
						|
			$this->xmlobj[$this->xml_depth - 1]->subs[] = $obj;
 | 
						|
		}
 | 
						|
		$this->xmlobj[$this->xml_depth] = $obj;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * XML end callback
 | 
						|
	 * 
 | 
						|
	 * @see xml_set_element_handler
 | 
						|
	 *
 | 
						|
	 * @param resource $parser
 | 
						|
	 * @param string   $name
 | 
						|
	 */
 | 
						|
	public function endXML($parser, $name) {
 | 
						|
		#$this->log->log("Ending $name",  XMPPHP_Log::LEVEL_DEBUG);
 | 
						|
		#print "$name\n";
 | 
						|
		if($this->been_reset) {
 | 
						|
			$this->been_reset = false;
 | 
						|
			$this->xml_depth = 0;
 | 
						|
		}
 | 
						|
		$this->xml_depth--;
 | 
						|
		if($this->xml_depth == 1) {
 | 
						|
			#clean-up old objects
 | 
						|
			#$found = false; #FIXME This didn't appear to be in use --Gar
 | 
						|
			foreach($this->xpathhandlers as $handler) {
 | 
						|
				if (is_array($this->xmlobj) && array_key_exists(2, $this->xmlobj)) {
 | 
						|
					$searchxml = $this->xmlobj[2];
 | 
						|
					$nstag = array_shift($handler[0]);
 | 
						|
					if (($nstag[0] == null or $searchxml->ns == $nstag[0]) and ($nstag[1] == "*" or $nstag[1] == $searchxml->name)) {
 | 
						|
						foreach($handler[0] as $nstag) {
 | 
						|
							if ($searchxml !== null and $searchxml->hasSub($nstag[1], $ns=$nstag[0])) {
 | 
						|
								$searchxml = $searchxml->sub($nstag[1], $ns=$nstag[0]);
 | 
						|
							} else {
 | 
						|
								$searchxml = null;
 | 
						|
								break;
 | 
						|
							}
 | 
						|
						}
 | 
						|
						if ($searchxml !== null) {
 | 
						|
							if($handler[2] === null) $handler[2] = $this;
 | 
						|
							$this->log->log("Calling {$handler[1]}",  XMPPHP_Log::LEVEL_DEBUG);
 | 
						|
							$handler[2]->$handler[1]($this->xmlobj[2]);
 | 
						|
						}
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
			foreach($this->nshandlers as $handler) {
 | 
						|
				if($handler[4] != 1 and array_key_exists(2, $this->xmlobj) and  $this->xmlobj[2]->hasSub($handler[0])) {
 | 
						|
					$searchxml = $this->xmlobj[2]->sub($handler[0]);
 | 
						|
				} elseif(is_array($this->xmlobj) and array_key_exists(2, $this->xmlobj)) {
 | 
						|
					$searchxml = $this->xmlobj[2];
 | 
						|
				}
 | 
						|
				if($searchxml !== null and $searchxml->name == $handler[0] and ($searchxml->ns == $handler[1] or (!$handler[1] and $searchxml->ns == $this->default_ns))) {
 | 
						|
					if($handler[3] === null) $handler[3] = $this;
 | 
						|
					$this->log->log("Calling {$handler[2]}",  XMPPHP_Log::LEVEL_DEBUG);
 | 
						|
					$handler[3]->$handler[2]($this->xmlobj[2]);
 | 
						|
				}
 | 
						|
			}
 | 
						|
			foreach($this->idhandlers as $id => $handler) {
 | 
						|
				if(array_key_exists('id', $this->xmlobj[2]->attrs) and $this->xmlobj[2]->attrs['id'] == $id) {
 | 
						|
					if($handler[1] === null) $handler[1] = $this;
 | 
						|
					$handler[1]->$handler[0]($this->xmlobj[2]);
 | 
						|
					#id handlers are only used once
 | 
						|
					unset($this->idhandlers[$id]);
 | 
						|
					break;
 | 
						|
				}
 | 
						|
			}
 | 
						|
			if(is_array($this->xmlobj)) {
 | 
						|
				$this->xmlobj = array_slice($this->xmlobj, 0, 1);
 | 
						|
				if(isset($this->xmlobj[0]) && $this->xmlobj[0] instanceof XMPPHP_XMLObj) {
 | 
						|
					$this->xmlobj[0]->subs = null;
 | 
						|
				}
 | 
						|
			}
 | 
						|
			unset($this->xmlobj[2]);
 | 
						|
		}
 | 
						|
		if($this->xml_depth == 0 and !$this->been_reset) {
 | 
						|
			if(!$this->disconnected) {
 | 
						|
				if(!$this->sent_disconnect) {
 | 
						|
					$this->send($this->stream_end);
 | 
						|
				}
 | 
						|
				$this->disconnected = true;
 | 
						|
				$this->sent_disconnect = true;
 | 
						|
				fclose($this->socket);
 | 
						|
				if($this->reconnect) {
 | 
						|
					$this->doReconnect();
 | 
						|
				}
 | 
						|
			}
 | 
						|
			$this->event('end_stream');
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * XML character callback
 | 
						|
	 * @see xml_set_character_data_handler
 | 
						|
	 *
 | 
						|
	 * @param resource $parser
 | 
						|
	 * @param string   $data
 | 
						|
	 */
 | 
						|
	public function charXML($parser, $data) {
 | 
						|
		if(array_key_exists($this->xml_depth, $this->xmlobj)) {
 | 
						|
			$this->xmlobj[$this->xml_depth]->data .= $data;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Event?
 | 
						|
	 *
 | 
						|
	 * @param string $name
 | 
						|
	 * @param string $payload
 | 
						|
	 */
 | 
						|
	public function event($name, $payload = null) {
 | 
						|
		$this->log->log("EVENT: $name",  XMPPHP_Log::LEVEL_DEBUG);
 | 
						|
		foreach($this->eventhandlers as $handler) {
 | 
						|
			if($name == $handler[0]) {
 | 
						|
				if($handler[2] === null) {
 | 
						|
					$handler[2] = $this;
 | 
						|
				}
 | 
						|
				$handler[2]->$handler[1]($payload);
 | 
						|
			}
 | 
						|
		}
 | 
						|
		foreach($this->until as $key => $until) {
 | 
						|
			if(is_array($until)) {
 | 
						|
				if(in_array($name, $until)) {
 | 
						|
					$this->until_payload[$key][] = array($name, $payload);
 | 
						|
					if(!isset($this->until_count[$key])) {
 | 
						|
						$this->until_count[$key] = 0;
 | 
						|
					}
 | 
						|
					$this->until_count[$key] += 1;
 | 
						|
					#$this->until[$key] = false;
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Read from socket
 | 
						|
	 */
 | 
						|
	public function read() {
 | 
						|
		$buff = @fread($this->socket, 1024);
 | 
						|
		if(!$buff) { 
 | 
						|
			if($this->reconnect) {
 | 
						|
				$this->doReconnect();
 | 
						|
			} else {
 | 
						|
				fclose($this->socket);
 | 
						|
				return false;
 | 
						|
			}
 | 
						|
		}
 | 
						|
		$this->log->log("RECV: $buff",  XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
		xml_parse($this->parser, $buff, false);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Send to socket
 | 
						|
	 *
 | 
						|
	 * @param string $msg
 | 
						|
	 */
 | 
						|
	public function send($msg, $timeout=NULL) {
 | 
						|
 | 
						|
		if (is_null($timeout)) {
 | 
						|
			$secs = NULL;
 | 
						|
			$usecs = NULL;
 | 
						|
		} else if ($timeout == 0) {
 | 
						|
			$secs = 0;
 | 
						|
			$usecs = 0;
 | 
						|
		} else {
 | 
						|
			$maximum = $timeout * 1000000;
 | 
						|
			$usecs = $maximum % 1000000;
 | 
						|
			$secs = floor(($maximum - $usecs) / 1000000);
 | 
						|
		}
 | 
						|
		
 | 
						|
		$read = array();
 | 
						|
		$write = array($this->socket);
 | 
						|
		$except = array();
 | 
						|
		
 | 
						|
		$select = @stream_select($read, $write, $except, $secs, $usecs);
 | 
						|
		
 | 
						|
		if($select === False) {
 | 
						|
			$this->log->log("ERROR sending message; reconnecting.");
 | 
						|
			$this->doReconnect();
 | 
						|
			# TODO: retry send here
 | 
						|
			return false;
 | 
						|
		} elseif ($select > 0) {
 | 
						|
			$this->log->log("Socket is ready; send it.", XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
		} else {
 | 
						|
			$this->log->log("Socket is not ready; break.", XMPPHP_Log::LEVEL_ERROR);
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
		
 | 
						|
		$sentbytes = @fwrite($this->socket, $msg);
 | 
						|
		$this->log->log("SENT: " . mb_substr($msg, 0, $sentbytes, '8bit'), XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
		if($sentbytes === FALSE) {
 | 
						|
			$this->log->log("ERROR sending message; reconnecting.", XMPPHP_Log::LEVEL_ERROR);
 | 
						|
			$this->doReconnect();
 | 
						|
			return false;
 | 
						|
		}
 | 
						|
		$this->log->log("Successfully sent $sentbytes bytes.", XMPPHP_Log::LEVEL_VERBOSE);
 | 
						|
		return $sentbytes;
 | 
						|
	}
 | 
						|
 | 
						|
	public function time() {
 | 
						|
		list($usec, $sec) = explode(" ", microtime());
 | 
						|
		return (float)$sec + (float)$usec;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Reset connection
 | 
						|
	 */
 | 
						|
	public function reset() {
 | 
						|
		$this->xml_depth = 0;
 | 
						|
		unset($this->xmlobj);
 | 
						|
		$this->xmlobj = array();
 | 
						|
		$this->setupParser();
 | 
						|
		if(!$this->is_server) {
 | 
						|
			$this->send($this->stream_start);
 | 
						|
		}
 | 
						|
		$this->been_reset = true;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Setup the XML parser
 | 
						|
	 */
 | 
						|
	public function setupParser() {
 | 
						|
		$this->parser = xml_parser_create('UTF-8');
 | 
						|
		xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1);
 | 
						|
		xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
 | 
						|
		xml_set_object($this->parser, $this);
 | 
						|
		xml_set_element_handler($this->parser, 'startXML', 'endXML');
 | 
						|
		xml_set_character_data_handler($this->parser, 'charXML');
 | 
						|
	}
 | 
						|
 | 
						|
	public function readyToProcess() {
 | 
						|
		$read = array($this->socket);
 | 
						|
		$write = array();
 | 
						|
		$except = array();
 | 
						|
		$updated = @stream_select($read, $write, $except, 0);
 | 
						|
		return (($updated !== false) && ($updated > 0));
 | 
						|
	}
 | 
						|
}
 |