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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\RequestExecutor; |
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use AsyncSockets\Event\Event; |
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use AsyncSockets\Event\EventType; |
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use AsyncSockets\Socket\SocketInterface; |
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/** |
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* Class ConstantLimitationSolver |
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*/ |
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class ConstantLimitationSolver implements LimitationSolverInterface, EventHandlerInterface |
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{ |
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/** |
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* Limit of running requests |
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* |
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* @var int |
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*/ |
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private $limit; |
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/** |
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* Number of active requests now |
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* |
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* @var int |
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*/ |
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private $activeRequests; |
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/** |
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* ConstantLimitationSolver constructor. |
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* |
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* @param int $limit Limit of running requests |
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*/ |
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public function __construct($limit) |
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{ |
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$this->limit = $limit; |
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} |
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/** {@inheritdoc} */ |
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public function initialize(RequestExecutorInterface $executor) |
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{ |
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$this->activeRequests = 0; |
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} |
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/** {@inheritdoc} */ |
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public function finalize(RequestExecutorInterface $executor) |
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{ |
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// empty body |
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} |
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/** {@inheritdoc} */ |
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public function decide(RequestExecutorInterface $executor, SocketInterface $socket, $totalSockets) |
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{ |
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if ($this->activeRequests + 1 <= $this->limit) { |
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return self::DECISION_OK; |
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} else { |
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return self::DECISION_PROCESS_SCHEDULED; |
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} |
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} |
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/** {@inheritdoc} */ |
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public function invokeEvent(Event $event) |
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{ |
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switch ($event->getType()) { |
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case EventType::INITIALIZE: |
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$this->onSocketRequestInitialize(); |
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break; |
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case EventType::FINALIZE: |
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$this->onSocketRequestFinalize(); |
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break; |
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} |
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} |
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/** |
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* Process socket initialize event |
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* |
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* @return void |
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*/ |
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private function onSocketRequestInitialize() |
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{ |
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$this->activeRequests += 1; |
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} |
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/** |
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* Process request termination |
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* |
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* @return void |
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*/ |
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private function onSocketRequestFinalize() |
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{ |
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$this->activeRequests -= 1; |
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} |
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} |
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edefimov /
async-sockets
