X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=application%2Fhub%2Fmain%2Flistener%2Ftcp%2Fclass_TcpListener.php;h=2f6a3224a5eac209b85184faf92872870f463d0b;hb=006066c5c265de0938f19e518e64dd789b6d2de5;hp=dc6a8a90718158a917233f75b1a986318b36ccfd;hpb=b55dca21c5b2d1ad21706930277b55ca0af352f0;p=hub.git

diff --git a/application/hub/main/listener/tcp/class_TcpListener.php b/application/hub/main/listener/tcp/class_TcpListener.php
index dc6a8a907..2f6a3224a 100644
--- a/application/hub/main/listener/tcp/class_TcpListener.php
+++ b/application/hub/main/listener/tcp/class_TcpListener.php
@@ -4,7 +4,7 @@
  *
  * @author		Roland Haeder <webmaster@ship-simu.org>
  * @version		0.0.0
- * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 Hub Developer Team
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
  * @license		GNU GPL 3.0 or any newer version
  * @link		http://www.ship-simu.org
  *
@@ -30,6 +30,9 @@ class TcpListener extends BaseListener implements Listenable {
 	protected function __construct () {
 		// Call parent constructor
 		parent::__construct(__CLASS__);
+
+		// Set the protocol to TCP
+		$this->setProtocol('tcp');
 	}
 
 	/**
@@ -38,7 +41,7 @@ class TcpListener extends BaseListener implements Listenable {
 	 * @param	$nodeInstance		A NodeHelper instance
 	 * @return	$listenerInstance	An instance a prepared listener class
 	 */
-	public final static function createTcpListener (NodeHelper $nodeInstance) {
+	public static final function createTcpListener (NodeHelper $nodeInstance) {
 		// Get new instance
 		$listenerInstance = new TcpListener();
 
@@ -48,6 +51,231 @@ class TcpListener extends BaseListener implements Listenable {
 		// Return the prepared instance
 		return $listenerInstance;
 	}
+
+	/**
+	 * Initializes the listener by setting up the required socket server
+	 *
+	 * @return	void
+	 * @throws	InvalidSocketException	Thrown if the socket could not be initialized
+	 */
+	public function initListener () {
+		// Create a streaming socket, of type TCP/IP
+		$mainSocket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+
+		// Is the socket resource valid?
+		if (!is_resource($mainSocket)) {
+			// Something bad happened
+			throw new InvalidSocketException(array($this, $mainSocket), BaseListener::EXCEPTION_INVALID_SOCKET);
+		} // END - if
+
+		// Get socket error code for verification
+		$socketError = socket_last_error($mainSocket);
+
+		// Check if there was an error else
+		if ($socketError > 0) {
+			// Handle this socket error with a faked recipientData array
+			$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+			/*
+			// Then throw again
+			throw new InvalidSocketException(array($this, $mainSocket, $socketError, socket_strerror($socketError)), BaseListener::EXCEPTION_INVALID_SOCKET);
+			*/
+		} // END - if
+
+		// Set the option to reuse the port
+		if (!socket_set_option($mainSocket, SOL_SOCKET, SO_REUSEADDR, 1)) {
+			// Handle this socket error with a faked recipientData array
+			$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+			/*
+			// Get socket error code for verification
+			$socketError = socket_last_error($mainSocket);
+
+			// Get error message
+			$errorMessage = socket_strerror($socketError);
+
+			// Shutdown this socket
+			$this->shutdownSocket($mainSocket);
+
+			// And throw again
+			throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+			*/
+		} // END - if
+
+		// "Bind" the socket to the given address, on given port so this means
+		// that all connections on this port are now our resposibility to
+		// send/recv data, disconnect, etc..
+		$this->debugOutput('TCP-LISTENER: Binding to address ' . $this->getListenAddress() . ':' . $this->getListenPort());
+		if (!socket_bind($mainSocket, $this->getListenAddress(), $this->getListenPort())) {
+			// Handle this socket error with a faked recipientData array
+			$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+			/*
+			// Get socket error code for verification
+			$socketError = socket_last_error($mainSocket);
+
+			// Get error message
+			$errorMessage = socket_strerror($socketError);
+
+			// Shutdown this socket
+			$this->shutdownSocket($mainSocket);
+
+			// And throw again
+			throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+			*/
+		} // END - if
+
+		// Start listen for connections
+		$this->debugOutput('TCP-LISTENER: Listening for connections.');
+		if (!socket_listen($mainSocket)) {
+			// Handle this socket error with a faked recipientData array
+			$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+			/*
+			// Get socket error code for verification
+			$socketError = socket_last_error($mainSocket);
+
+			// Get error message
+			$errorMessage = socket_strerror($socketError);
+
+			// Shutdown this socket
+			$this->shutdownSocket($mainSocket);
+
+			// And throw again
+			throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+			*/
+		} // END - if
+
+		// Now, we want non-blocking mode
+		$this->debugOutput('TCP-LISTENER: Setting non-blocking mode.');
+		if (!socket_set_nonblock($mainSocket)) {
+			// Handle this socket error with a faked recipientData array
+			$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+			/*
+			// Get socket error code for verification
+			$socketError = socket_last_error($mainSocket);
+
+			// Get error message
+			$errorMessage = socket_strerror($socketError);
+
+			// Shutdown this socket
+			$this->shutdownSocket($mainSocket);
+
+			// And throw again
+			throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+			*/
+		} // END - if
+
+		// Set the main socket
+		$this->registerServerSocketResource($mainSocket);
+
+		// Initialize the peer pool instance
+		$poolInstance = ObjectFactory::createObjectByConfiguredName('node_pool_class', array($this));
+
+		// Add main socket
+		$poolInstance->addPeer($mainSocket);
+
+		// And add it to this listener
+		$this->setPoolInstance($poolInstance);
+
+		// Initialize iterator for listening on packages
+		$iteratorInstance = ObjectFactory::createObjectByConfiguredName('network_listen_iterator_class', array($poolInstance->getPoolEntriesInstance()));
+
+		// Rewind it and remember it in this class
+		$iteratorInstance->rewind();
+		$this->setIteratorInstance($iteratorInstance);
+
+		// Initialize the network package handler
+		$handlerInstance = ObjectFactory::createObjectByConfiguredName('tcp_raw_data_handler_class');
+
+		// Set it in this class
+		$this->setHandlerInstance($handlerInstance);
+
+		// Output message
+		$this->debugOutput('TCP-LISTENER: TCP listener now ready on IP ' . $this->getListenAddress() . ', port ' . $this->getListenPort() . ' for service.');
+	}
+
+	/**
+	 * "Listens" for incoming network packages
+	 *
+	 * @return	void
+	 * @throws	InvalidSocketException	If an invalid socket resource has been found
+	 */
+	public function doListen () {
+		// Get all readers
+		$readers = $this->getPoolInstance()->getAllSockets();
+		$writers = array();
+		$excepts = array();
+
+		// Check if we have some peers left
+		$left = socket_select(
+			$readers,
+			$writers,
+			$excepts,
+			0,
+			150
+		);
+
+		// Some new peers found?
+		if ($left < 1) {
+			// Nothing new found
+			return;
+		} // END - if
+
+		// Do we have changed peers?
+		if (in_array($this->getSocketResource(), $readers)) {
+			// Then accept it
+			$newSocket = socket_accept($this->getSocketResource());
+			//* NOISY-DEBUG: */ $this->debugOutput('TCP-LISTENER: newSocket=' . $newSocket);
+
+			// We want non-blocking here, too
+			if (!socket_set_nonblock($newSocket)) {
+				// Handle this socket error with a faked recipientData array
+				$this->handleSocketError($mainSocket, array('0.0.0.0', '0'));
+				/*
+				// Get socket error code for verification
+				$socketError = socket_last_error($newSocket);
+
+				// Get error message
+				$errorMessage = socket_strerror($socketError);
+
+				// Shutdown this socket
+				$this->shutdownSocket($newSocket);
+
+				// And throw the exception
+				throw new InvalidSocketException(array($this, $newSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+				*/
+			} // END - if
+
+			// Add it to the peers
+			$this->getPoolInstance()->addPeer($newSocket);
+		} // END - if
+
+		// Do we have to rewind?
+		if (!$this->getIteratorInstance()->valid()) {
+			// Rewind the list
+			$this->getIteratorInstance()->rewind();
+		} // END - if
+
+		// Get the current value
+		$currentSocket = $this->getIteratorInstance()->current();
+
+		// Handle it here, if not main socket
+		if ($currentSocket != $this->getSocketResource()) {
+			// ... or else it will raise warnings like 'Transport endpoint is not connected'
+			//* NOISY-DEBUG: */ $this->debugOutput('TCP-LISTENER: currentSocket=' . $currentSocket . ',server=' . $this->getSocketResource());
+			$this->getHandlerInstance()->processRawDataFromResource($currentSocket);
+		} // END - if
+
+		// Advance to next entry. This should be the last line
+		$this->getIteratorInstance()->next();
+	}
+
+	/**
+	 * Checks whether the listener would accept the given package data array
+	 *
+	 * @param	$packageData	Raw package data
+	 * @return	$accepts		Whether this listener does accept
+	 */
+	public function ifListenerAcceptsPackageData (array $packageData) {
+		$this->debugBackTrace('This call should not happen. Please report it.');
+	}
 }
 
 // [EOF]