Differential D394 Diff 1058 branches/5.2.x/core/kernel/db/db_load_balancer.php

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branches/5.2.x/core/kernel/db/db_load_balancer.php

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	* @var string			* @var string
	* @access protected			* @access protected
	*/			*/
	protected $dbType = 'mysqli';			protected $dbType = 'mysqli';

	/**			/**
	* Function to handle sql errors			* Function to handle sql errors
	*			*
	* @var string			* @var callable
	* @access public
	*/			*/
	public $errorHandler = '';			protected $errorHandler = '';

	/**			/**
	* Database connection settings			* Database connection settings
	*			*
	* @var Array			* @var Array
	* @access protected			* @access protected
	*/			*/
	protected $servers = Array ();			protected $servers = Array ();
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	* @var Array			* @var Array
	* @access protected			* @access protected
	*/			*/
	protected $serverLagTimes = Array ();			protected $serverLagTimes = Array ();

	/**			/**
	* Connection references to opened connections			* Connection references to opened connections
	*			*
	* @var Array			* @var IDBConnection[]
	* @access protected
	*/			*/
	protected $connections = Array ();			protected $connections = Array ();

	/**			/**
	* Index of last user slave connection			* Index of last user slave connection
	*			*
	* @var int			* @var int
	* @access protected			* @access protected
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	* @param string $db_type			* @param string $db_type
	* @param Array\|string $error_handler			* @param Array\|string $error_handler
	*/			*/
	function __construct($db_type, $error_handler = '')			function __construct($db_type, $error_handler = '')
	{			{
	parent::__construct();			parent::__construct();

	$this->dbType = $db_type;			$this->dbType = $db_type;
	$this->errorHandler = $error_handler;			$this->setErrorHandler($error_handler);

	$this->DBClusterTimeout *= 1e6; // convert to milliseconds			$this->DBClusterTimeout *= 1e6; // convert to milliseconds
	}			}

	/**			/**
	* Setups load balancer according given configuration.			* Setups load balancer according given configuration.
	*			*
	* @param Array $config			* @param Array $config
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	* @access public			* @access public
	*/			*/
	public function getSlaveLag()			public function getSlaveLag()
	{			{
	$conn =& $this->openConnection($this->lastUsedIndex);			$conn =& $this->openConnection($this->lastUsedIndex);

	return $conn->getSlaveLag();			return $conn->getSlaveLag();
	}			}

				/**
				* Sets an error handler.
				*
				* @param callable $error_handler Error handler.
				*
				* @return void
				*/
				public function setErrorHandler(callable $error_handler)
				{
				$this->errorHandler = $error_handler;

				foreach ( $this->connections as $connection ) {
				$connection->setErrorHandler($error_handler);
				}
				}

	}			}