/**
* @param Envelope $envelope
* @param Queue $queue
* @return DeliveryResult
*/
protected function handleDelivery(Envelope $envelope, Queue $queue) : DeliveryResult
{
$this->countMessagesConsumed++;
$this->countMessagesUnacked++;
$this->lastDeliveryTag = $envelope->getDeliveryTag();
$this->timestampLastMessage = microtime(true);
$this->ack();
$this->logger->debug('Handling delivery of message', $this->extractMessageInformation($envelope));
if ($envelope->getAppId() === 'Humus\\Amqp') {
$this->handleInternalMessage($envelope);
return DeliveryResult::MSG_ACK();
}
try {
$request = $this->requestFromEnvelope($envelope);
$callback = $this->deliveryCallback;
$response = $callback($request);
if ('' === $request->id()) {
// notifications have no reply
return DeliveryResult::MSG_ACK();
}
if (!$response instanceof JsonRpcResponse) {
$response = JsonRpcResponse::withResult($envelope->getCorrelationId(), $response);
}
} catch (Exception\InvalidJsonRpcVersion $e) {
$this->logger->error('Invalid json rpc version', $this->extractMessageInformation($envelope));
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32600));
} catch (Exception\InvalidJsonRpcRequest $e) {
$this->logger->error('Invalid json rpc request', $this->extractMessageInformation($envelope));
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32600));
} catch (Exception\JsonParseError $e) {
$this->logger->error('Json parse error', $this->extractMessageInformation($envelope));
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32700));
} catch (\Throwable $e) {
$extra = $this->extractMessageInformation($envelope);
$extra['exception_class'] = get_class($e);
$extra['exception_message'] = $e->getMessage();
$extra['exception_trace'] = $e->getTraceAsString();
$this->logger->error('Exception occurred', $extra);
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32603));
}
$this->sendReply($response, $envelope);
return DeliveryResult::MSG_ACK();
}
/**
* @param Envelope $envelope
* @return Response
*/
private function responseFromEnvelope(Envelope $envelope) : Response
{
if ($envelope->getHeader('jsonrpc') !== JsonRpcResponse::JSONRPC_VERSION || $envelope->getContentEncoding() !== 'UTF-8' || $envelope->getContentType() !== 'application/json') {
return JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32603, 'Invalid JSON-RPC response'));
}
$payload = json_decode($envelope->getBody(), true);
if (!in_array($envelope->getCorrelationId(), $this->requestIds)) {
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32603, 'Mismatched JSON-RPC IDs'));
} elseif (isset($payload['result'])) {
$response = JsonRpcResponse::withResult($envelope->getCorrelationId(), $payload['result']);
} elseif (!isset($payload['error']['code']) || !isset($payload['error']['message']) || !is_int($payload['error']['code']) || !is_string($payload['error']['message'])) {
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError(JsonRpcError::ERROR_CODE_32603, 'Invalid JSON-RPC response'));
} else {
$response = JsonRpcResponse::withError($envelope->getCorrelationId(), new JsonRpcError($payload['error']['code'], $payload['error']['message']), $payload['data'] ?? null);
}
return $response;
}