*
* @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 - 2011 Hub Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.ship-simu.org
*
*/
class BaseListener extends BaseHubSystem implements Visitable {
// Exception code constants
- const EXCEPTION_INVALID_SOCKET = 0xa00;
+ const EXCEPTION_INVALID_SOCKET = 0xa00;
+ const EXCEPTION_SOCKET_ALREADY_REGISTERED = 0xa01;
/**
* Used protocol (Default: invalid, which is indeed invalid...)
*/
- private $protcol = 'invalid';
+ private $protocol = 'invalid';
/**
* Address (IP mostly) we shall listen on
private $blockingMode = false;
/**
- * Socket resource
- */
- private $socketResource = false;
-
- /**
- * A client pool instance
+ * A peer pool instance
*/
private $poolInstance = null;
parent::__construct($className);
}
+ /**
+ * Checks wether the given socket resource is a server socket
+ *
+ * @param $socketResource A valid socket resource
+ * @return $isServerSocket Wether the socket resource is a server socket
+ */
+ protected function isServerSocketResource ($socketResource) {
+ // Check it
+ $isServerSocket = ((is_resource($socketResource)) && (!@socket_getpeername($socketResource, $peerName)));
+
+ // We need to clear the error here if it is a resource
+ if ($isServerSocket === true) {
+ // Clear the error
+ //* DEBUG: */ $this->debugOutput('socketResource[]=' . gettype($socketResource));
+ socket_clear_error($socketResource);
+ } // END - if
+
+ // Check peer name, it must be empty
+ $isServerSocket = (($isServerSocket) && (empty($peerName)));
+
+ // Return result
+ return $isServerSocket;
+ }
+
/**
* Setter for listen address
*
return $this->listenPort;
}
+ /**
+ * Getter for port number to satify ProtocolHandler
+ *
+ * @return $port The port number
+ */
+ public final function getPort () {
+ return $this->getListenPort();
+ }
+
/**
* "Setter" to set listen address from configuration entry
*
}
/**
- * Setter for socket resource
+ * Setter for peer pool instance
*
- * @param $socketResource The socket resource we shall set
+ * @param $poolInstance The peer pool instance we shall set
* @return void
*/
- protected final function setSocketResource ($socketResource) {
- $this->socketResource = $setSocketResource;
+ protected final function setPoolInstance (PoolablePeer $poolInstance) {
+ $this->poolInstance = $poolInstance;
}
/**
- * Getter for socket resource
+ * Getter for peer pool instance
*
- * @return $socketResource The socket resource we shall set
+ * @return $poolInstance The peer pool instance we shall set
*/
- protected final function getSocketResource () {
- return $this->socketResource;
+ public final function getPoolInstance () {
+ return $this->poolInstance;
}
/**
- * Setter for client pool instance
+ * Registeres the given socket resource for "this" listener instance. This
+ * will be done in a seperate class to allow package writers to use it
+ * again.
*
- * @param $poolInstance The client pool instance we shall set
+ * @param $socketResource A valid server socket resource
* @return void
+ * @throws InvalidServerSocketException If the given resource is no server socket
+ * @throws SocketAlreadyRegisteredException If the given resource is already registered
*/
- protected final function setPoolInstance (PoolableClient $poolInstance) {
- $this->poolInstance = $setPoolInstance;
+ protected function registerServerSocketResource ($socketResource) {
+ // First check if it is valid
+ if (!$this->isServerSocketResource($socketResource)) {
+ // No server socket
+ throw new InvalidServerSocketException(array($this, $socketResource), self::EXCEPTION_INVALID_SOCKET);
+ } elseif ($this->isServerSocketRegistered($socketResource)) {
+ // Already registered
+ throw new SocketAlreadyRegisteredException($this, self::EXCEPTION_SOCKET_ALREADY_REGISTERED);
+ }
+
+ // Get a socket registry instance (singleton)
+ $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
+
+ // Register the socket
+ $registryInstance->registerSocket($this, $socketResource);
}
/**
- * Getter for client pool instance
+ * Checks wether given socket resource is registered in socket registry
*
- * @return $poolInstance The client pool instance we shall set
+ * @param $socketResource A valid server socket resource
+ * @return $isRegistered Wether given server socket is registered
*/
- protected final function getPoolInstance () {
- return $this->poolInstance;
+ protected function isServerSocketRegistered ($socketResource) {
+ // Get a socket registry instance (singleton)
+ $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
+
+ // Check it
+ $isRegistered = $registryInstance->isSocketRegistered($this, $socketResource);
+
+ // Return result
+ return $isRegistered;
+ }
+
+ /**
+ * Getter for "this" socket resource
+ *
+ * @return $socketResource A valid socket resource
+ */
+ public final function getSocketResource () {
+ // Get a socket registry instance (singleton)
+ $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
+
+ // Get the socket resource
+ $socketResource = $registryInstance->getRegisteredSocketResource($this);
+
+ // Return it
+ return $socketResource;
}
/**
- * Accepts the visitor to rpocess the visit "request"
+ * Accepts the visitor to process the visit "request"
*
* @param $visitorInstance An instance of a Visitor class
* @return void
*/
public function accept (Visitor $visitorInstance) {
// Debug message
- $this->debugOutput('LISTENER: ' . $visitorInstance->__toString() . ' has visited - START');
+ //* DEBUG: */ $this->debugOutput(strtoupper($this->getProtocol()) . '-LISTENER: ' . $visitorInstance->__toString() . ' has visited ' . $this->__toString() . ' - START');
// Visit this listener
$visitorInstance->visitListener($this);
// Visit the pool if set
if ($this->getPoolInstance() instanceof Poolable) {
- $this->getPoolInstance()->accept($visitor);
+ $this->getPoolInstance()->accept($visitorInstance);
} // END - if
// Debug message
- $this->debugOutput('LISTENER: ' . $visitorInstance->__toString() . ' has visited - FINISHED');
+ //* DEBUG: */ $this->debugOutput(strtoupper($this->getProtocol()) . '-LISTENER: ' . $visitorInstance->__toString() . ' has visited ' . $this->__toString() . ' - FINISHED');
+ }
+
+ /**
+ * Monitors incoming raw data from the handler and transfers it to the
+ * given receiver instance. This method should not be called, please call
+ * the decorator's version instead to seperator node/client traffic.
+ *
+ * @param $receiverInstance An instance of a Receivable class
+ * @return void
+ * @throws UnsupportedOperatorException If this method is called by a mistake
+ */
+ public function monitorIncomingRawData (Receivable $receiverInstance) {
+ throw new UnsupportedOperationException(array($this, __FUNCTION__, $receiverInstance), self::EXCEPTION_UNSPPORTED_OPERATION);
}
}