+++ /dev/null
-<?php
-/**
- * A TCP raw data handler
- *
- * @author Roland Haeder <webmaster@shipsimu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
- * @license GNU GPL 3.0 or any newer version
- * @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
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class TcpRawDataHandler extends BaseRawDataHandler implements Networkable {
- /**
- * Last socket error (default: Success)
- */
- private $lastSocketError = 0;
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Set handler name
- $this->setHandlerName('tcp');
- }
-
- /**
- * Creates an instance of this class
- *
- * @return $handlerInstance An instance of a Networkable class
- */
- public static final function createTcpRawDataHandler () {
- // Get new instance
- $handlerInstance = new TcpRawDataHandler();
-
- // Return the prepared instance
- return $handlerInstance;
- }
-
- /**
- * Processes raw data from given resource. This is mostly useful for TCP
- * package handling and is implemented in the TcpListener class
- *
- * @param $resource A valid socket resource array
- * @return void
- */
- public function processRawDataFromResource (array $socketArray) {
- // Check the resource
- if ((!isset($socketArray[BasePool::SOCKET_ARRAY_RESOURCE])) || (!is_resource($socketArray[BasePool::SOCKET_ARRAY_RESOURCE]))) {
- // Throw an exception
- throw new InvalidResourceException($this, self::EXCEPTION_INVALID_RESOURCE);
- } // END - if
-
- // Reset error code to unhandled
- $this->setErrorCode(self::SOCKET_ERROR_UNHANDLED);
-
- // Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Handling TCP package from resource=' . $socketArray[BasePool::SOCKET_ARRAY_RESOURCE] . ',type=' . $socketArray[BasePool::SOCKET_ARRAY_CONN_TYPE] . ',last error=' . socket_strerror($this->lastSocketError));
-
- /*
- * Read the raw data from socket. If you change PHP_BINARY_READ to
- * PHP_NORMAL_READ, this line will endless block. This script does only
- * provide simultanous threads, not real.
- */
- $rawData = socket_read($socketArray[BasePool::SOCKET_ARRAY_RESOURCE], $this->getConfigInstance()->getConfigEntry('tcp_buffer_length'), PHP_BINARY_READ);
-
- // Get socket error code back
- $this->lastSocketError = socket_last_error($socketArray[BasePool::SOCKET_ARRAY_RESOURCE]);
-
- // Debug output of read data length
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: rawData[' . gettype($rawData) . ']=' . strlen($rawData) . ',MD5=' . md5($rawData) . ',resource=' . $socketArray[BasePool::SOCKET_ARRAY_RESOURCE] . ',error=' . socket_strerror($this->lastSocketError));
- //* NOISY-DEBUG: */ if ($rawData !== FALSE) self::createDebugInstance(__CLASS__)->debugOutput('TCP-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: rawData=' . $rawData);
-
- // Is it valid?
- if ($this->lastSocketError == 11) {
- // Debug message
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Ignoring error 11 (Resource temporary unavailable) from socket resource=' . $socketArray[BasePool::SOCKET_ARRAY_RESOURCE]);
-
- /*
- * Error code 11 (Resource temporary unavailable) can be safely
- * ignored on non-blocking sockets. The socket is currently not
- * sending any data.
- */
- socket_clear_error($socketArray[BasePool::SOCKET_ARRAY_RESOURCE]);
-
- // Skip any further processing
- return;
- } elseif (($rawData === FALSE) || ($this->lastSocketError > 0)) {
- // Network error or connection lost
- $this->setErrorCode($this->lastSocketError);
- } elseif (empty($rawData)) {
- // The peer did send nothing to us which is now being ignored
- return;
- } else {
- /*
- * All is fine at this point. So it is okay to add the raw data to
- * the stacker. Here it doesn't matter if the raw data is a
- * well-formed BASE64-encoded message with start and markers. This
- * will be checked later on.
- */
- //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TCP-HANDLER[' . __METHOD__ . ':' . __LINE__ . ']: Adding ' . strlen($rawData) . ' bytes to stacker ...');
- $this->addRawDataToStacker($rawData);
- }
- }
-}
-
-// [EOF]
-?>
projects / hub.git / blobdiff