/**
* An UDP connection listener
*
- * @author Roland Haeder <webmaster@ship-simu.org>
+ * @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Hub Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
* @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
+ * @link http://www.shipsimu.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
protected function __construct () {
// Call parent constructor
parent::__construct(__CLASS__);
+
+ // Set the protocol to UDP
+ $this->setProtocolName('udp');
}
/**
// Get new instance
$listenerInstance = new UdpListener();
- // Set the application instance
- $listenerInstance->setNodeInstance($nodeInstance);
-
- // Set the protocol to UDP
- $listenerInstance->setProtocol('udp');
-
// Return the prepared instance
return $listenerInstance;
}
// Is the socket a valid resource or do we have any error?
if (!is_resource($mainSocket)) {
// Then throw an InvalidSocketException
- throw new InvalidSocketException(array($this, gettype($mainSocket), $errno, $errstr), BaseListener::EXCEPTION_INVALID_SOCKET);
+ throw new InvalidSocketException(array($this, $mainSocket), BaseListener::EXCEPTION_INVALID_SOCKET);
} // END - if
- // Set the option to reuse the port
- $this->debugOutput('LISTENER: Setting re-use address option.');
- if (!socket_set_option($mainSocket, SOL_SOCKET, SO_REUSEADDR, 1)) {
+ /*
+ * "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..
+ */
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: Binding to address ' . $this->getListenAddress() . ':' . $this->getListenPort());
+ if (!socket_bind($mainSocket, $this->getListenAddress(), $this->getListenPort())) {
+ // Handle the socket error with a faked recipientData array
+ $this->handleSocketError(__METHOD__, __LINE__, $mainSocket, array('0.0.0.0', '0'));
+ /*
// Get socket error code for verification
$socketError = socket_last_error($mainSocket);
$this->shutdownSocket($mainSocket);
// And throw again
- throw new InvalidSocketException(array($this, gettype($mainSocket), $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ throw new InvalidSocketException(array($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('LISTENER: Binding to address ' . $this->getListenAddress() . ':' . $this->getListenPort());
- if (!socket_bind($mainSocket, $this->getListenAddress(), $this->getListenPort())) {
+ // Now, we want non-blocking mode
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: Setting non-blocking mode.');
+ if (!socket_set_nonblock($mainSocket)) {
+ // Handle the socket error with a faked recipientData array
+ $this->handleSocketError(__METHOD__, __LINE__, $mainSocket, array('0.0.0.0', '0'));
+ /*
// Get socket error code for verification
- $socketError = socket_last_error($mainSocket);
+ $socketError = socket_last_error($socket);
// Get error message
$errorMessage = socket_strerror($socketError);
$this->shutdownSocket($mainSocket);
// And throw again
- throw new InvalidSocketException(array($this, gettype($mainSocket), $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ */
} // END - if
- // Now, we want non-blocking mode
- $this->debugOutput('LISTENER: Setting non-blocking mode.');
- if (!socket_set_nonblock($mainSocket)) {
+ // Set the option to reuse the port
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: Setting re-use address option.');
+ if (!socket_set_option($mainSocket, SOL_SOCKET, SO_REUSEADDR, 1)) {
+ // Handle the socket error with a faked recipientData array
+ $this->handleSocketError(__METHOD__, __LINE__, $mainSocket, array('0.0.0.0', '0'));
+ /*
// Get socket error code for verification
- $socketError = socket_last_error($socket);
+ $socketError = socket_last_error($mainSocket);
// Get error message
$errorMessage = socket_strerror($socketError);
$this->shutdownSocket($mainSocket);
// And throw again
- throw new InvalidSocketException(array($this, gettype($mainSocket), $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ throw new InvalidSocketException(array($this, $mainSocket, $socketError, $errorMessage), BaseListener::EXCEPTION_INVALID_SOCKET);
+ */
} // END - if
// Remember the socket in our class
$this->registerServerSocketResource($mainSocket);
+ // Initialize the network package handler
+ $handlerInstance = ObjectFactory::createObjectByConfiguredName('udp_raw_data_handler_class');
+
+ // Set it in this class
+ $this->setHandlerInstance($handlerInstance);
+
// Output message
- $this->debugOutput('LISTENER: UDP listener now ready on IP ' . $this->getListenAddress() . ', port ' . $this->getListenPort() . ' for service.');
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: UDP listener now ready on IP ' . $this->getListenAddress() . ', port ' . $this->getListenPort() . ' for service.');
}
/**
*/
public function doListen() {
// Read a package and determine the peer
- $amount = @socket_recvfrom($this->getSocketResource(), $pkt, 1500, 0, $peer, $port);
+ $amount = @socket_recvfrom($this->getSocketResource(), $rawData, $this->getConfigInstance()->getConfigEntry('udp_buffer_length'), MSG_DONTWAIT, $peer, $port);
// Get last error
$lastError = socket_last_error($this->getSocketResource());
* This (resource temporary unavailable) can be safely ignored on
* "listening" UDP ports. If we don't clear the error here, our UDP
* "listener" won't read any packages except if the UDP sender
- * starts the transmission before this "listener came up...
+ * starts the transmission before this "listener" came up...
*/
socket_clear_error($this->getSocketResource());
return;
} elseif ($lastError > 0) {
// Other error detected
- $this->debugOutput('LISTENER: Error detected: ' . socket_strerror($lastError));
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: Error detected: ' . socket_strerror($lastError));
// Skip further processing
return;
- } elseif ((empty($pkt)) || (trim($peer) == '')) {
+ } elseif ((empty($rawData)) || (trim($peer) == '')) {
// Zero sized packages/peer names are usual in non-blocking mode
return;
} // END - if
// Debug only
- $this->debugOutput('LISTENER: Handling UDP package with size ' . strlen($pkt) . ' from peer ' . $peer . ':' . $port);
+ self::createDebugInstance(__CLASS__)->debugOutput('UDP-LISTENER[' . __METHOD__ . ':' . __LINE__ . ']: Handling UDP package with size ' . strlen($rawData) . ' from peer ' . $peer . ':' . $port);
}
/**
- * Checks wether the listener would accept the given package data array
+ * Checks whether the listener would accept the given package data array
*
* @param $packageData Raw package data
- * @return $accepts Wether this listener does accept
+ * @return $accepts Whether this listener does accept
*/
function ifListenerAcceptsPackageData (array $packageData) {
$this->partialStub('This call should not happen. Please report it.');
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