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<?php |
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/** |
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* Request tracing |
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* User: moyo |
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* Date: 2018/6/6 |
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* Time: 2:10 PM |
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*/ |
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namespace Carno\Web\Handlers; |
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use Carno\Chain\Layered; |
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use Carno\Coroutine\Context; |
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use Carno\HTTP\Server\Connection; |
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use Carno\HTTP\Standard\Response; |
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use Carno\Tracing\Contracts\Platform; |
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use Carno\Tracing\Contracts\Vars\EXT; |
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use Carno\Tracing\Contracts\Vars\FMT; |
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use Carno\Tracing\Contracts\Vars\TAG; |
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use Carno\Tracing\Standard\Endpoint; |
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use Carno\Tracing\Utils\SpansCreator; |
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use Carno\Tracing\Utils\SpansExporter; |
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use Throwable; |
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class InboundTracing implements Layered |
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{ |
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use SpansCreator, SpansExporter; |
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/** |
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* @var Platform |
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*/ |
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private $platform = null; |
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/** |
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* RequestTracing constructor. |
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* @param Platform $platform |
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*/ |
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public function __construct(Platform $platform) |
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{ |
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$this->platform = $platform; |
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} |
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/** |
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* @param Connection $ingress |
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* @param Context $ctx |
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* @return mixed |
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*/ |
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public function inbound($ingress, Context $ctx) |
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{ |
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$this->newSpan( |
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$ctx, |
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$ingress->request()->getUri()->getPath(), |
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[ |
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TAG::SPAN_KIND => TAG::SPAN_KIND_RPC_SERVER, |
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TAG::HTTP_URL => (string) $ingress->request()->getUri(), |
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TAG::HTTP_METHOD => $ingress->request()->getMethod(), |
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EXT::LOCAL_ENDPOINT => new Endpoint($ingress->serviced(), $ingress->local()), |
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EXT::REMOTE_ENDPOINT => new Endpoint($ingress->serviced(), $ingress->remote()), |
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], |
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[], |
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FMT::HTTP_HEADERS, |
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$ingress->request(), |
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null, |
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$this->platform |
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); |
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return $ingress; |
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} |
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/** |
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* @param mixed $response |
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* @param Context $ctx |
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* @return mixed |
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*/ |
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public function outbound($response, Context $ctx) |
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{ |
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$this->closeSpan($ctx, $this->tags($ctx)); |
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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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* @throws Throwable |
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*/ |
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public function exception(Throwable $e, Context $ctx) |
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{ |
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$this->errorSpan($ctx, $e, $this->tags($ctx)); |
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throw $e; |
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} |
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/** |
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* @param Context $ctx |
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* @return array |
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*/ |
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private function tags(Context $ctx) : array |
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{ |
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/** |
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* @var Response $response |
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*/ |
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if ($response = $ctx->get(IngressWrapper::RESPONDING)) { |
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$this->spanToHResponse($ctx, $response); |
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return [ |
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TAG::HTTP_STATUS_CODE => $response->getStatusCode(), |
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]; |
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} |
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return []; |
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} |
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} |
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carno-php /
web
