| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Async sockets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @copyright Copyright (c) 2015-2017, Efimov Evgenij <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * This source file is subject to the MIT license that is bundled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * with this source code in the file LICENSE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | namespace AsyncSockets\RequestExecutor\Metadata; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use AsyncSockets\Configuration\Configuration; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use AsyncSockets\Operation\OperationInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use AsyncSockets\RequestExecutor\EventHandlerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use AsyncSockets\RequestExecutor\RequestExecutorInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use AsyncSockets\RequestExecutor\SocketBagInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use AsyncSockets\Socket\PersistentClientSocket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use AsyncSockets\Socket\SocketInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * Class SocketBag | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | class SocketBag implements SocketBagInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * RequestExecutorInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * @var RequestExecutorInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     private $executor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * Target metadata items | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var RequestDescriptor[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     private $items; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * Configuration | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * @var Configuration | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     private $configuration; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * SocketBag constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @param RequestExecutorInterface $executor Owner RequestExecutor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @param Configuration            $configuration Configuration with default values | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 175 |  |     public function __construct(RequestExecutorInterface $executor, Configuration $configuration) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 175 |  |         $this->executor      = $executor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 175 |  |         $this->items         = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 175 |  |         $this->configuration = $configuration; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 175 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 1 |  |     public function count() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  |         return count($this->items); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 163 |  |     public function addSocket( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         SocketInterface $socket, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         OperationInterface $operation, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         array $metadata = null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         EventHandlerInterface $eventHandlers = null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 163 |  |         $hash = $this->getOperationStorageKey($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 163 |  |         if (isset($this->items[$hash])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 1 |  |             throw new \LogicException('Can not add socket twice.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 163 |  |         $meta = array_merge( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |             [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 163 |  |                 RequestExecutorInterface::META_ADDRESS                    => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 163 |  |                 RequestExecutorInterface::META_USER_CONTEXT               => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 163 |  |                 RequestExecutorInterface::META_SOCKET_STREAM_CONTEXT      => $this->configuration->getStreamContext(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 163 |  |                 RequestExecutorInterface::META_MIN_RECEIVE_SPEED          => $this->configuration->getMinReceiveSpeed(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 163 |  |                 RequestExecutorInterface::META_MIN_RECEIVE_SPEED_DURATION => | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 163 |  |                                                                     $this->configuration->getMinReceiveSpeedDuration(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 163 |  |                 RequestExecutorInterface::META_MIN_SEND_SPEED             => $this->configuration->getMinSendSpeed(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 163 |  |                 RequestExecutorInterface::META_MIN_SEND_SPEED_DURATION    => | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 163 |  |                                                                     $this->configuration->getMinSendSpeedDuration(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 163 |  |                 RequestExecutorInterface::META_CONNECTION_TIMEOUT         => $this->configuration->getConnectTimeout(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 163 |  |                 RequestExecutorInterface::META_IO_TIMEOUT                 => $this->configuration->getIoTimeout(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 163 |  |                 RequestExecutorInterface::META_KEEP_ALIVE                 => $socket instanceof PersistentClientSocket, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 163 |  |             ], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 163 |  |             $metadata ?: [], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 163 |  |                 RequestExecutorInterface::META_CONNECTION_START_TIME  => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 | 163 |  |                 RequestExecutorInterface::META_CONNECTION_FINISH_TIME => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 163 |  |                 RequestExecutorInterface::META_LAST_IO_START_TIME     => null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 163 |  |                 RequestExecutorInterface::META_BYTES_SENT             => 0, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 163 |  |                 RequestExecutorInterface::META_BYTES_RECEIVED         => 0, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 163 |  |                 RequestExecutorInterface::META_REQUEST_COMPLETE       => false, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 163 |  |                 RequestExecutorInterface::META_RECEIVE_SPEED          => 0, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 163 |  |                 RequestExecutorInterface::META_SEND_SPEED             => 0, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |             ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 163 |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 163 |  |         $this->items[$hash] = new RequestDescriptor($socket, $operation, $meta, $eventHandlers); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 163 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 1 |  |     public function getSocketOperation(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 1 |  |         return $this->requireDescriptor($socket)->getOperation(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 1 |  |     public function setSocketOperation(SocketInterface $socket, OperationInterface $operation) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 1 |  |         $this->requireDescriptor($socket)->setOperation($operation); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 3 |  |     public function hasSocket(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 3 |  |         $hash = $this->getOperationStorageKey($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 3 |  |         return isset($this->items[$hash]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 3 |  |     public function removeSocket(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 3 |  |         $key = $this->getOperationStorageKey($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 3 |  |         if (!isset($this->items[$key])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 1 |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 2 |  |         $meta = $this->items[$key]->getMetadata(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 2 |  |         if (!$meta[RequestExecutorInterface::META_REQUEST_COMPLETE] && $this->executor->isExecuting()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 1 |  |             throw new \LogicException('Can not remove unprocessed socket during request processing.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 1 |  |         unset($this->items[$key]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 144 |  |  |     /** {@inheritdoc} */ | 
            
                                                                        
                            
            
                                    
            
            
                | 145 | 1 |  |     public function forgetSocket(SocketInterface $socket) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 146 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 147 | 1 |  |         $key = $this->getOperationStorageKey($socket); | 
            
                                                                        
                            
            
                                    
            
            
                | 148 | 1 |  |         if (!isset($this->items[$key])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 149 | 1 |  |             return; | 
            
                                                                        
                            
            
                                    
            
            
                | 150 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 152 |  |  |         $this->items[$key]->forget(); | 
            
                                                                        
                            
            
                                    
            
            
                | 153 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 2 |  |     public function resetTransferRateCounters(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 2 |  |         $descriptor = $this->requireDescriptor($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 1 |  |         $descriptor->resetCounter(RequestDescriptor::COUNTER_RECV_MIN_RATE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 1 |  |         $descriptor->resetCounter(RequestDescriptor::COUNTER_SEND_MIN_RATE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 105 |  |     public function getSocketMetaData(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 105 |  |         return $this->requireDescriptor($socket)->getMetadata(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     /** {@inheritdoc} */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 18 |  |     public function setSocketMetaData(SocketInterface $socket, $key, $value = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         $writableKeys = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 | 18 |  |             RequestExecutorInterface::META_ADDRESS                    => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 18 |  |             RequestExecutorInterface::META_USER_CONTEXT               => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 | 18 |  |             RequestExecutorInterface::META_CONNECTION_TIMEOUT         => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 18 |  |             RequestExecutorInterface::META_IO_TIMEOUT                 => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 18 |  |             RequestExecutorInterface::META_SOCKET_STREAM_CONTEXT      => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 18 |  |             RequestExecutorInterface::META_MIN_RECEIVE_SPEED          => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 | 18 |  |             RequestExecutorInterface::META_MIN_RECEIVE_SPEED_DURATION => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 18 |  |             RequestExecutorInterface::META_MIN_SEND_SPEED             => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 | 18 |  |             RequestExecutorInterface::META_MIN_SEND_SPEED_DURATION    => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 | 18 |  |             RequestExecutorInterface::META_KEEP_ALIVE                 => 1, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 | 18 |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 | 18 |  |         if (!is_array($key)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 | 18 |  |             $key = [ $key => $value ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 | 18 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 | 18 |  |         $key = array_intersect_key($key, $writableKeys); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 | 18 |  |         $this->requireDescriptor($socket)->setMetadata($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 | 18 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |      * Return socket key in internal storage | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |      * @param SocketInterface $socket Socket object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 166 |  |     private function getOperationStorageKey(SocketInterface $socket) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 166 |  |         return spl_object_hash($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |      * Require operation descriptor for given socket | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |      * @param SocketInterface $socket Socket object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |      * @return RequestDescriptor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |      * @throws \OutOfBoundsException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 | 108 |  |     private function requireDescriptor(SocketInterface $socket) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 108 |  |         $hash = $this->getOperationStorageKey($socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 108 |  |         if (!isset($this->items[$hash])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 2 |  |             throw new \OutOfBoundsException('Trying to perform operation on not added socket.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 106 |  |         return $this->items[$hash]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |      * Return metadata items | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |      * @return RequestDescriptor[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 | 136 |  |     public function getItems() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 | 136 |  |         return $this->items; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 232 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 233 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.