<?php
/**
 * A PackageRecipient discovery class
 *
 * @author		Roland Haeder <webmaster@ship-simu.org>
 * @version		0.0.0
 * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 Core Developer Team
 * @license		GNU GPL 3.0 or any newer version
 * @link		http://www.ship-simu.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
class BaseHubDiscovery extends BaseDiscovery {
	/**
	 * Protected constructor
	 *
	 * @param	$className	Real class name
	 * @return	void
	 */
	protected function __construct ($className) {
		// Call parent constructor
		parent::__construct($className);
	}

	/**
	 * Determines the protoctol name
	 *
	 * @param	$packageData	Valid package data
	 * @return	$protocolName	Name of used protocol (TCP/UDP/etc.)
	 */
	protected function determineProtocolByPackageData (array $packageData) {
		// First we need a tags instance
		$tagsInstance = PackageTagsFactory::createPackageTagsInstance();

		/*
		 * We need to decide here which socket (TCP or UDP) should be used for
		 * the actual data transmission. In this process we will find out if
		 * the recipient of this package has already a known (registered) socket
		 * and if so we can re-use it. If there is no socket registered, we try
		 * to make a new connection (TCP or UDP) to the given IP:port.
		 */
		$protocolName = $tagsInstance->chooseProtocolFromPackageData($packageData);

		// Return it
		return $protocolName;
	}
}

// [EOF]
?>