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<?php |
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namespace Nopolabs\Yabot\Guzzle; |
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use GuzzleHttp\Handler\CurlFactory; |
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use GuzzleHttp\Handler\CurlFactoryInterface; |
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use GuzzleHttp\Handler\CurlMultiHandler; |
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use GuzzleHttp\Handler\EasyHandle; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use React\EventLoop\LoopInterface; |
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use React\EventLoop\Timer\TimerInterface; |
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class ReactAwareCurlFactory implements CurlFactoryInterface |
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{ |
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private $eventLoop; |
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private $logger; |
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private $factory; |
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private $count; |
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private $handler; |
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/** @var TimerInterface */ |
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private $timer; |
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public function __construct(LoopInterface $eventLoop, LoggerInterface $logger = null) |
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{ |
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$this->eventLoop = $eventLoop; |
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$this->logger = $logger ?? new NullLogger(); |
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$this->factory = new CurlFactory(50); |
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$this->count = 0; |
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} |
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public function setHandler(CurlMultiHandler $handler) |
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{ |
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$this->handler = $handler; |
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} |
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public function tick() |
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{ |
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$this->handler->tick(); |
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if ($this->count === 0 && \GuzzleHttp\Promise\queue()->isEmpty()) { |
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$this->stopTimer(); |
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} |
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} |
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/** |
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* Creates a cURL handle resource. |
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* |
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* @param RequestInterface $request Request |
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* @param array $options Transfer options |
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* |
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* @return EasyHandle |
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* @throws \RuntimeException when an option cannot be applied |
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*/ |
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public function create(RequestInterface $request, array $options) |
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{ |
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$easy = $this->factory->create($request, $options); |
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$this->incrementCount(); |
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return $easy; |
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} |
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/** |
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* Release an easy handle, allowing it to be reused or closed. |
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* |
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* This function must call unset on the easy handle's "handle" property. |
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* |
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* @param EasyHandle $easy |
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*/ |
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public function release(EasyHandle $easy) |
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{ |
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$this->factory->release($easy); |
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$this->decrementCount(); |
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} |
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private function incrementCount() |
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{ |
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if ($this->count === 0) { |
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$this->startTimer(); |
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} |
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$this->count++; |
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} |
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private function decrementCount() |
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{ |
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$this->count--; |
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} |
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private function startTimer() |
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{ |
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if ($this->timer === null) { |
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$this->timer = $this->eventLoop->addPeriodicTimer(0, [$this, 'tick']); |
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$this->logger->debug('ReactAwareCurlFactory started periodic queue processing'); |
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} |
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} |
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private function stopTimer() |
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{ |
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if ($this->timer !== null) { |
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$this->timer->cancel(); |
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$this->timer = null; |
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$this->logger->debug('ReactAwareCurlFactory stopped periodic queue processing'); |
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} |
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} |
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} |
nopolabs /
yabot
