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<?php |
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/** |
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* Async sockets |
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* |
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* @copyright Copyright (c) 2015-2016, Efimov Evgenij <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace AsyncSockets\Socket; |
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use AsyncSockets\Configuration\Configuration; |
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use AsyncSockets\RequestExecutor\LibEventRequestExecutor; |
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use AsyncSockets\RequestExecutor\NativeRequestExecutor; |
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use AsyncSockets\RequestExecutor\Pipeline\BaseStageFactory; |
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use AsyncSockets\RequestExecutor\Pipeline\PipelineFactory; |
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use AsyncSockets\RequestExecutor\RequestExecutorInterface; |
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/** |
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* Class AsyncSocketFactory |
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* |
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* @api |
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*/ |
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class AsyncSocketFactory |
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{ |
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/** |
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* Create client socket |
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*/ |
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const SOCKET_CLIENT = 'client'; |
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/** |
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* Create server socket |
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*/ |
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const SOCKET_SERVER = 'server'; |
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/** |
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* Boolean flag whether it is persistent socket, applicable only for SOCKET_CLIENT type |
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*/ |
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const SOCKET_OPTION_IS_PERSISTENT = 'soIsPersistent'; |
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/** |
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* Key in php storage to allow multiple persistent connections to the same host [a-zA-Z0-9_-] |
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*/ |
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const SOCKET_OPTION_PERSISTENT_KEY = 'soPersistentKey'; |
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/** |
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* Default configuration for this factory |
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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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* AsyncSocketFactory constructor. |
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* |
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* @param Configuration $configuration Default configuration for this factory |
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*/ |
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public function __construct(Configuration $configuration = null) |
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{ |
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$this->configuration = $configuration ?: new Configuration(); |
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} |
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/** |
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* Create socket client |
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* |
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* @param string $type Socket type to create, one of SOCKET_* consts |
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* @param array $options $flags Flags with socket settings, see SOCKET_OPTION_* consts |
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* |
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* @return SocketInterface |
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* @api |
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*/ |
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public function createSocket($type = self::SOCKET_CLIENT, array $options = []) |
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{ |
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switch ($type) { |
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case self::SOCKET_CLIENT: |
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$isPersistent = isset($options[ self::SOCKET_OPTION_IS_PERSISTENT ]) && |
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$options[ self::SOCKET_OPTION_IS_PERSISTENT ]; |
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$persistentKey = isset($options[ self::SOCKET_OPTION_PERSISTENT_KEY ]) ? |
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$options[ self::SOCKET_OPTION_PERSISTENT_KEY ] : |
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null; |
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return $isPersistent ? |
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new PersistentClientSocket($persistentKey) : |
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new ClientSocket(); |
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case self::SOCKET_SERVER: |
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return new ServerSocket(); |
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default: |
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throw new \InvalidArgumentException("Unexpected type {$type} used in " . __FUNCTION__); |
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} |
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} |
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/** |
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* Create RequestExecutor object |
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* |
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* @return RequestExecutorInterface |
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* |
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* @api |
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*/ |
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public function createRequestExecutor() |
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{ |
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foreach ($this->configuration->getPreferredEngines() as $engine) { |
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switch ($engine) { |
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case 'libevent': |
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if (extension_loaded('libevent')) { |
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return new LibEventRequestExecutor(new BaseStageFactory(), $this->configuration); |
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} |
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break; |
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case 'native': |
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return new NativeRequestExecutor( |
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new PipelineFactory( |
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new BaseStageFactory() |
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), |
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$this->configuration |
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); |
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} |
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} |
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throw new \InvalidArgumentException( |
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'Provided configuration does not contain any supported RequestExecutor engine.' |
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); |
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} |
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} |
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