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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) 2015-2017, 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\RequestExecutor\Pipeline; |
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use AsyncSockets\Event\Event; |
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use AsyncSockets\Event\SocketExceptionEvent; |
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use AsyncSockets\Exception\SocketException; |
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use AsyncSockets\Exception\StopSocketOperationException; |
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use AsyncSockets\RequestExecutor\EventHandlerInterface; |
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use AsyncSockets\RequestExecutor\ExecutionContext; |
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use AsyncSockets\RequestExecutor\Metadata\RequestDescriptor; |
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use AsyncSockets\RequestExecutor\RequestExecutorInterface; |
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use AsyncSockets\Socket\SocketInterface; |
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/** |
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* Class EventCaller |
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*/ |
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class EventCaller implements EventHandlerInterface |
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{ |
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/** |
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* List of handlers |
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* |
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* @var EventHandlerInterface[] |
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*/ |
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private $handlers = []; |
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/** |
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* Request executor |
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* |
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* @var RequestExecutorInterface |
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*/ |
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private $executor; |
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/** |
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* RequestDescriptor |
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* |
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* @var RequestDescriptor |
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*/ |
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private $currentOperation; |
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/** |
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* EventCaller constructor. |
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* |
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* @param RequestExecutorInterface $executor Request executor |
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*/ |
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public function __construct(RequestExecutorInterface $executor) |
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{ |
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$this->executor = $executor; |
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} |
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/** |
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* Add given handler to list |
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* |
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* @param EventHandlerInterface $handler |
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* |
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* @return void |
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*/ |
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public function addHandler(EventHandlerInterface $handler) |
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{ |
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$this->handlers[] = $handler; |
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} |
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/** |
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* Sets CurrentOperation |
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* |
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* @param RequestDescriptor $currentOperation New value for CurrentOperation |
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* |
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* @return void |
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*/ |
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public function setCurrentOperation(RequestDescriptor $currentOperation) |
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{ |
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$this->currentOperation = $currentOperation; |
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} |
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/** |
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* Clear current operation object |
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* |
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* @return void |
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*/ |
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168 |
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public function clearCurrentOperation() |
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{ |
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$this->currentOperation = null; |
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} |
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/** {@inheritdoc} */ |
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public function invokeEvent( |
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Event $event, |
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RequestExecutorInterface $executor, |
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SocketInterface $socket, |
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ExecutionContext $context |
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) { |
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$this->callSocketSubscribers($this->currentOperation, $event, $executor, $context); |
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} |
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/** |
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* Notify handlers about given event |
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* |
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* @param RequestDescriptor $requestDescriptor Request descriptor |
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* @param Event $event Event object |
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* @param RequestExecutorInterface $executor Request executor |
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* @param ExecutionContext $context Execution context |
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* |
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* @return void |
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*/ |
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public function callSocketSubscribers( |
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RequestDescriptor $requestDescriptor, |
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Event $event, |
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RequestExecutorInterface $executor, |
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ExecutionContext $context |
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) { |
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$requestDescriptor->invokeEvent($event, $executor, $requestDescriptor->getSocket(), $context); |
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foreach ($this->handlers as $handler) { |
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$handler->invokeEvent($event, $executor, $requestDescriptor->getSocket(), $context); |
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} |
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if ($event->isOperationCancelled()) { |
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throw new StopSocketOperationException(); |
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} |
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} |
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/** |
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* Notify handlers about exception |
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* |
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* @param RequestDescriptor $requestDescriptor Socket operation object |
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* @param SocketException $exception Thrown exception |
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* @param RequestExecutorInterface $executor Request executor |
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* @param ExecutionContext $context Execution context |
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* |
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* @return void |
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*/ |
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public function callExceptionSubscribers( |
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RequestDescriptor $requestDescriptor, |
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SocketException $exception, |
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RequestExecutorInterface $executor, |
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ExecutionContext $context |
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) { |
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if ($exception instanceof StopSocketOperationException) { |
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return; |
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} |
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$meta = $requestDescriptor->getMetadata(); |
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$exceptionEvent = new SocketExceptionEvent( |
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$exception, |
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$this->executor, |
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$requestDescriptor->getSocket(), |
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$meta[RequestExecutorInterface::META_USER_CONTEXT] |
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); |
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$this->callSocketSubscribers($requestDescriptor, $exceptionEvent, $executor, $context); |
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} |
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} |
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|
edefimov /
async-sockets
