/**
* @param RpcRequestInterface $request
* @return RpcResponseInterface
*/
public function call(RpcRequestInterface $request)
{
$this->getDispatcher()->dispatch(Events::RPC_REQUEST, new RpcRequestEvent($request));
$protocol = $this->getProtocol($request->getProtocol());
$httpRequest = $protocol->createHttpRequest($request);
$this->getDispatcher()->dispatch(Events::HTTP_REQUEST, new HttpRequestEvent($httpRequest));
$httpResponse = $this->getTransport()->call($httpRequest);
$this->getDispatcher()->dispatch(Events::HTTP_RESPONSE, new HttpResponseEvent($httpRequest, $httpResponse));
$response = $protocol->createRpcResponse($httpResponse);
$this->getDispatcher()->dispatch(Events::RPC_RESPONSE, new RpcResponseEvent($request, $response));
return $response;
}
/**
* @param RpcRequestInterface $request
* @return HttpRequestInterface
*/
public function createHttpRequest(RpcRequestInterface $request)
{
$data = ['jsonrpc' => '2.0', 'method' => $request->getMethod(), 'params' => $request->getParams(), 'id' => uniqid('', true)];
$body = @json_encode($data);
if (!$body) {
throw new InvalidArgumentException('Invalid request data.');
}
$httpRequest = new HttpRequest();
$httpRequest->setHeaders($request->getHeaders());
$httpRequest->setHeader('Content-Type', 'application/json');
$httpRequest->setUrl($request->getUrl());
$httpRequest->setBody($body);
return $httpRequest;
}
