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<?php |
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declare(strict_types=1); |
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namespace TechDeCo\ElasticApmAgent\Client; |
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use Http\Client\HttpAsyncClient; |
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use Http\Discovery\Exception as DiscoveryException; |
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use Http\Discovery\HttpAsyncClientDiscovery; |
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use Http\Discovery\MessageFactoryDiscovery; |
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use Http\Message\MessageFactory; |
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use Http\Promise\Promise; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use TechDeCo\ElasticApmAgent\Client; |
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use TechDeCo\ElasticApmAgent\ClientConfiguration; |
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use TechDeCo\ElasticApmAgent\Exception\ClientException; |
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use TechDeCo\ElasticApmAgent\Request\Error; |
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use TechDeCo\ElasticApmAgent\Request\Transaction; |
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use Throwable; |
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use function json_encode; |
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use function register_shutdown_function; |
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final class HttplugAsyncClient implements Client |
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{ |
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/** |
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* @var ClientConfiguration |
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*/ |
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private $config; |
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/** |
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* @var HttpAsyncClient |
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*/ |
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private $httpClient; |
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/** |
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* @var MessageFactory |
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*/ |
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private $httpMessageFactory; |
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/** |
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* @var Promise[] |
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*/ |
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private $promiseList = []; |
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/** |
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* @throws DiscoveryException |
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*/ |
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public function __construct( |
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ClientConfiguration $config, |
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?HttpAsyncClient $httpClient, |
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?MessageFactory $httpMessageFactory |
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) { |
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$this->config = $config; |
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$this->httpClient = $httpClient ?? HttpAsyncClientDiscovery::find(); |
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$this->httpMessageFactory = $httpMessageFactory ?? MessageFactoryDiscovery::find(); |
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register_shutdown_function([$this, 'waitForResponses']); |
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} |
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/** |
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* @throws ClientException |
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*/ |
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public function sendTransaction(Transaction $transaction): void |
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{ |
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$request = $this->httpMessageFactory->createRequest( |
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'POST', |
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$this->config->getTransactionsEndpoint(), |
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[], |
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json_encode($transaction) |
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); |
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$this->sendRequest($request); |
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} |
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/** |
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* @throws ClientException |
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*/ |
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public function sendError(Error $error): void |
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{ |
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$request = $this->httpMessageFactory->createRequest( |
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'POST', |
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$this->config->getErrorsEndpoint(), |
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[], |
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json_encode($error) |
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); |
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$this->sendRequest($request); |
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} |
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/** |
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* @throws ClientException |
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*/ |
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private function sendRequest(RequestInterface $request): void |
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{ |
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try { |
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$request = $request->withHeader('Content-Type', 'application/json'); |
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if ($this->config->needsAuthentication()) { |
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$request = $request->withHeader('Authorization', 'Bearer ' . $this->config->getToken()); |
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} |
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$this->promiseList[] = $this->httpClient->sendAsyncRequest($request); |
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} catch (\Throwable $e) { |
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throw new ClientException('Could not send request due to configuration error', 0, $e); |
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} |
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} |
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/** |
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* @throws ClientException |
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*/ |
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public function waitForResponses(): void |
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{ |
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$exceptionList = []; |
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foreach ($this->promiseList as $promise) { |
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try { |
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$this->verifyResponse($promise->wait()); |
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} catch (Throwable $e) { |
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$exceptionList[] = $e; |
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} |
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} |
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$this->promiseList = []; |
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if (! empty($exceptionList)) { |
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throw ClientException::fromException('Encountered errors while resolving requests', ...$exceptionList); |
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} |
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} |
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/** |
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* @throws ClientException |
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*/ |
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private function verifyResponse(ResponseInterface $response): void |
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{ |
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$status = $response->getStatusCode(); |
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if ($status >= 400 && $status < 500) { |
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throw ClientException::fromResponse('Bad request', $response); |
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} |
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if ($status >= 500) { |
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throw ClientException::fromResponse('APM internal server error', $response); |
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} |
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} |
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} |
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frankkoornstra /
elastic-apm-agent
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