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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\Operation\OperationInterface; |
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use AsyncSockets\Operation\ReadWriteOperation; |
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use AsyncSockets\RequestExecutor\EventHandlerInterface; |
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use AsyncSockets\RequestExecutor\ExecutionContext; |
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use AsyncSockets\RequestExecutor\IoHandlerInterface; |
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use AsyncSockets\RequestExecutor\Metadata\RequestDescriptor; |
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use AsyncSockets\RequestExecutor\RequestExecutorInterface; |
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/** |
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* Class ReadWriteIoHandler |
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*/ |
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class ReadWriteIoHandler implements IoHandlerInterface |
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{ |
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/** |
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* Io handler |
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* |
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* @var IoHandlerInterface |
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*/ |
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private $handler; |
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/** |
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* Initialize I/O handler |
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* |
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* @param IoHandlerInterface $handler New value for Handler |
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* |
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* @return void |
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*/ |
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public function setHandler(IoHandlerInterface $handler) |
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{ |
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$this->handler = $handler; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function supports(OperationInterface $operation) |
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{ |
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return $operation instanceof ReadWriteOperation; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function handle( |
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OperationInterface $operation, |
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RequestDescriptor $descriptor, |
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RequestExecutorInterface $executor, |
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EventHandlerInterface $eventHandler, |
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ExecutionContext $executionContext |
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) { |
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/** @var ReadWriteOperation $operation */ |
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$sequence = $operation->isReadFirst() ? |
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[$operation->getReadOperation(), $operation->getWriteOperation()] : |
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[$operation->getWriteOperation(), $operation->getReadOperation()]; |
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$sequence = array_filter($sequence); |
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foreach ($sequence as $op) { |
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$this->handleOperation( |
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$op, |
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$operation, |
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$descriptor, |
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$executor, |
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$eventHandler, |
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$executionContext |
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); |
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} |
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return $operation->getReadOperation() !== null || $operation->getWriteOperation() !== null ? |
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$operation : |
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null; |
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} |
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/** |
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* Handle read operation |
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* |
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* @param OperationInterface $nestedOperation Nested I/O operation |
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* @param ReadWriteOperation $operation Operation to process |
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* @param RequestDescriptor $descriptor Request descriptor |
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* @param RequestExecutorInterface $executor Executor, processing operation |
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* @param EventHandlerInterface $eventHandler Event handler for this operation |
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* @param ExecutionContext $executionContext Execution context |
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* |
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* @return void |
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*/ |
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private function handleOperation( |
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OperationInterface $nestedOperation = null, |
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ReadWriteOperation $operation, |
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RequestDescriptor $descriptor, |
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RequestExecutorInterface $executor, |
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EventHandlerInterface $eventHandler, |
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ExecutionContext $executionContext |
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) { |
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if (!$nestedOperation) { |
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return; |
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} |
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$next = $this->handler->handle($nestedOperation, $descriptor, $executor, $eventHandler, $executionContext); |
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if ($next !== $nestedOperation) { |
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$operation->markCompleted($nestedOperation); |
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} |
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if (!$next) { |
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return; |
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} |
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$operation->scheduleOperation($next); |
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} |
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} |
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|
edefimov /
async-sockets
