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<?php |
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/** |
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* Service invoker |
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* User: moyo |
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* Date: 25/09/2017 |
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* Time: 4:57 PM |
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*/ |
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namespace Carno\RPC\Handlers; |
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use Carno\Chain\Layered; |
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use function Carno\Coroutine\async; |
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use Carno\Coroutine\Context; |
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use function Carno\Coroutine\race; |
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use function Carno\Coroutine\timeout; |
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use Carno\Promise\Promised; |
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use Carno\RPC\Options; |
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use Carno\RPC\Service\Dispatcher; |
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use Carno\RPC\Protocol\Request; |
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use Carno\RPC\Protocol\Response; |
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use Throwable; |
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class ServiceInvoker implements Layered |
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{ |
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/** |
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* @var Dispatcher |
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*/ |
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private $dispatcher = null; |
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/** |
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* @var Options |
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*/ |
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private $options = null; |
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/** |
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* ServiceInvoker constructor. |
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* @param Dispatcher $dispatcher |
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* @param Options $options |
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*/ |
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public function __construct(Dispatcher $dispatcher, Options $options = null) |
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{ |
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$this->dispatcher = $dispatcher; |
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$this->options = $options ?? new Options; |
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} |
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/** |
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* @param Request $request |
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* @param Context $ctx |
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* @return Promised |
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*/ |
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public function inbound($request, Context $ctx) : Promised |
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{ |
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return race(async(function ($request) { |
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return $this->dispatcher->invoke($request); |
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}, $ctx, $request), timeout($this->options->ttExec)); |
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} |
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/** |
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* @param Response $response |
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* @param Context $ctx |
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* @return Response |
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*/ |
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public function outbound($response, Context $ctx) : Response |
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{ |
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return $response; |
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} |
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/** |
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* @param Throwable $e |
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* @param Context $ctx |
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* @return void |
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* @throws Throwable |
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*/ |
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public function exception(Throwable $e, Context $ctx) : void |
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{ |
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throw $e; |
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} |
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} |
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carno-php /
rpc
