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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Jalle19\StatusManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Jalle19\StatusManager\Event\InstanceStatusUpdatesEvent;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ratchet\ConnectionInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ratchet\Http\HttpServer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ratchet\MessageComponentInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ratchet\Server\IoServer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Ratchet\WebSocket\WsServer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use React\EventLoop\LoopInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Handles events related to the WebSocket. Events are either triggered from Ratchet (onOpen etc.)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * or from the event dispatcher in StatusManager.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   Jalle19\StatusManager  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright © Sam Stenvall 2016-  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   https://www.gnu.org/licenses/gpl.html The GNU General Public License v2.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class WebSocketManager implements MessageComponentInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var LoggerInterface the logger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $_logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var Configuration  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $_configuration;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var IoServer the Websocket server  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $_websocket;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var \SplObjectStorage the connected clients  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $_connectedClients;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * WebSocketEventHandler constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param LoggerInterface $logger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param Configuration   $configuration  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param LoopInterface   $loop  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function __construct(LoggerInterface $logger, Configuration $configuration, LoopInterface $loop)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->_logger           = $logger;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->_configuration    = $configuration;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->_connectedClients = new \SplObjectStorage();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Create the WebSocket server  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->_websocket = IoServer::factory(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			new HttpServer(new WsServer($this)),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$this->_configuration->getListenPort(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$this->_configuration->getListenAddress()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->_websocket->loop = $loop;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Called right before the main loop is started  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onMainLoopStarted()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_logger->info('Starting the Websocket server on {address}:{port}', [ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'address' => $this->_configuration->getListenAddress(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'port'    => $this->_configuration->getListenPort(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param InstanceStatusUpdatesEvent $event  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onInstanceStatusUpdates(InstanceStatusUpdatesEvent $event)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_logger->debug('Broadcasting statuses to all clients'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$messages = $event->getInstanceStatusCollection();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ($this->_connectedClients as $client)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			/* @var ConnectionInterface $client */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$client->send(json_encode($messages));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onOpen(ConnectionInterface $conn)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_logger->info('Got client connection'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_connectedClients->attach($conn);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onClose(ConnectionInterface $conn)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_logger->info('Got client disconnect'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->_connectedClients->detach($conn);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onError(ConnectionInterface $conn, \Exception $e)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// TODO: Implement onError() method.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function onMessage(ConnectionInterface $from, $msg)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// TODO: Implement onMessage() method.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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