]> git.mxchange.org Git - hub.git/blobdiff - application/hub/main/listener/class_BaseListener.php
Removed deprecated code (see last commit why)
[hub.git] / application / hub / main / listener / class_BaseListener.php
index 32dbe2c7f2aa95c6aba1cb5b9364c4a6ac50980d..b81ffd2027d98f28c52c1a78a443f4fb2b481cad 100644 (file)
@@ -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 - 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
@@ -46,12 +47,7 @@ class BaseListener extends BaseHubSystem implements Visitable {
        private $blockingMode = false;
 
        /**
-        * Socket resource
-        */
-       private $socketResource = false;
-
-       /**
-        * A client pool instance
+        * A peer pool instance
         */
        private $poolInstance = null;
 
@@ -66,6 +62,30 @@ class BaseListener extends BaseHubSystem implements Visitable {
                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
         *
@@ -104,6 +124,15 @@ class BaseListener extends BaseHubSystem implements Visitable {
                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
         *
@@ -163,63 +192,117 @@ class BaseListener extends BaseHubSystem implements Visitable {
        }
 
        /**
-        * 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);
        }
 }