Moved some code from TcpListener and made it a bit more generic, maybe just enough.
authorRoland Haeder <roland@mxchange.org>
Tue, 6 Oct 2015 18:28:29 +0000 (20:28 +0200)
committerRoland Haeder <roland@mxchange.org>
Tue, 6 Oct 2015 18:28:29 +0000 (20:28 +0200)
Signed-off-by: Roland H├Ąder <roland@mxchange.org>
inc/main/classes/listener/class_BaseListener.php
inc/main/classes/listener/socket/class_SocketFileListener.php

index bd807bd..83b2b9e 100644 (file)
@@ -499,6 +499,143 @@ class BaseListener extends BaseFrameworkSystem implements Visitable {
                // Throw it again
                throw new SocketBindingException(array($this, $socketData, $socketResource, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
        }
+
+       /**
+        * "Listens" for incoming network packages
+        *
+        * @param       $peerSuffix             Suffix for peer name (e.g. :0 for TCP(/UDP?) connections)
+        * @return      void
+        * @throws      InvalidSocketException  If an invalid socket resource has been found
+        */
+       protected function doListenSocketSelect ($peerSuffix) {
+               // Check on all instances
+               assert($this->getPoolInstance() instanceof Poolable);
+               assert(is_resource($this->getSocketResource()));
+
+               // Get all readers
+               $readers = $this->getPoolInstance()->getAllSingleSockets();
+               $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) {
+                       // Debug message
+                       //* EXTREME-NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: left=' . $left . ',serverSocket=' . $this->getSocketResource() . ',readers=' . print_r($readers, TRUE));
+
+                       // Nothing new found
+                       return;
+               } // END - if
+
+               // Debug message
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: serverSocket=' . $this->getSocketResource() . ',readers=' . print_r($readers, TRUE));
+
+               // Do we have changed peers?
+               if (in_array($this->getSocketResource(), $readers)) {
+                       /*
+                        * Then accept it, if this socket is set to non-blocking IO and the
+                        * connection is NOT sending any data, socket_read() may throw
+                        * error 11 (Resource temporary unavailable). This really nasty
+                        * because if you have blocking IO socket_read() will wait and wait
+                        * and wait ...
+                        */
+                       $newSocket = socket_accept($this->getSocketResource());
+
+                       // Debug message
+                       //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: newSocket=' . $newSocket . ',serverSocket=' .$this->getSocketResource());
+
+                       // Array for timeout settings
+                       $options  = array(
+                               // Seconds
+                               'sec'  => $this->getConfigInstance()->getConfigEntry('tcp_socket_accept_wait_sec'),
+                               // Milliseconds
+                               'usec' => $this->getConfigInstance()->getConfigEntry('tcp_socket_accept_wait_usec')
+                       );
+
+                       // Set timeout to configured seconds
+                       // @TODO Does this work on Windozer boxes???
+                       if (!socket_set_option($newSocket, SOL_SOCKET, SO_RCVTIMEO, $options)) {
+                               // Handle this socket error with a faked recipientData array
+                               $this->handleSocketError(__METHOD__, __LINE__, $newSocket, array('0.0.0.0', '0'));
+                       } // END - if
+
+                       // Output result (only for debugging!)
+                       /*
+                       $option = socket_get_option($newSocket, SOL_SOCKET, SO_RCVTIMEO);
+                       self::createDebugInstance(__CLASS__)->debugOutput('SO_RCVTIMEO[' . gettype($option) . ']=' . print_r($option, TRUE));
+                       */
+
+                       // Enable SO_OOBINLINE
+                       if (!socket_set_option($newSocket, SOL_SOCKET, SO_OOBINLINE ,1)) {
+                               // Handle this socket error with a faked recipientData array
+                               $this->handleSocketError(__METHOD__, __LINE__, $newSocket, array('0.0.0.0', '0'));
+                       } // END - if
+
+                       // Set non-blocking
+                       if (!socket_set_nonblock($newSocket)) {
+                               // Handle this socket error with a faked recipientData array
+                               $this->handleSocketError(__METHOD__, __LINE__, $newSocket, array('0.0.0.0', '0'));
+                       } // END - if
+
+                       // Add it to the peers
+                       $this->getPoolInstance()->addPeer($newSocket, BaseConnectionHelper::CONNECTION_TYPE_INCOMING);
+
+                       // Get peer name
+                       if (!socket_getpeername($newSocket, $peerName)) {
+                               // Handle this socket error with a faked recipientData array
+                               $this->handleSocketError(__METHOD__, __LINE__, $newSocket, array('0.0.0.0', '0'));
+                       } // END - if
+
+                       // Get node instance
+                       $nodeInstance = NodeObjectFactory::createNodeInstance();
+
+                       // Create a faked package data array
+                       $packageData = array(
+                               NetworkPackage::PACKAGE_DATA_SENDER    => $peerName . $peerSuffix,
+                               NetworkPackage::PACKAGE_DATA_RECIPIENT => $nodeInstance->getSessionId(),
+                               NetworkPackage::PACKAGE_DATA_STATUS    => NetworkPackage::PACKAGE_STATUS_FAKED
+                       );
+
+                       // Get a connection info instance
+                       $infoInstance = ConnectionInfoFactory::createConnectionInfoInstance($this->getProtocolName(), 'listener');
+
+                       // Will the info instance with listener data
+                       $infoInstance->fillWithListenerInformation($this);
+
+                       // Get a socket registry
+                       $registryInstance = SocketRegistryFactory::createSocketRegistryInstance();
+
+                       // Register the socket with the registry and with the faked array
+                       $registryInstance->registerSocket($infoInstance, $newSocket, $packageData);
+               } // END - if
+
+               // Do we have to rewind?
+               if (!$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 server socket
+               //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: currentSocket=' . $currentSocket[BasePool::SOCKET_ARRAY_RESOURCE] . ',type=' . $currentSocket[BasePool::SOCKET_ARRAY_CONN_TYPE] . ',serverSocket=' . $this->getSocketResource());
+               if (($currentSocket[BasePool::SOCKET_ARRAY_CONN_TYPE] != BaseConnectionHelper::CONNECTION_TYPE_SERVER) && ($currentSocket[BasePool::SOCKET_ARRAY_RESOURCE] != $this->getSocketResource())) {
+                       // ... or else it will raise warnings like 'Transport endpoint is not connected'
+                       $this->getHandlerInstance()->processRawDataFromResource($currentSocket);
+               } // END - if
+
+               // Advance to next entry. This should be the last line.
+               $this->getIteratorInstance()->next();
+       }
 }
 
 // [EOF]
index 4da87b6..50a242f 100644 (file)
@@ -188,10 +188,10 @@ class SocketFileListener extends BaseListener implements Listenable {
         * "Listens" for incoming network packages
         *
         * @return      void
-        * @todo        0% done
         */
        public function doListen() {
-               $this->partialStub('Need to implement this method.');
+               // Call super method
+               $this->doListenSocketSelect('');
        }
 
        /**