private function sync()
{
if ($this->synchronized) {
return;
}
/** @var ResponseInterface $clientResponse */
$clientResponse = $this->promise->wait();
if (200 !== $clientResponse->getStatusCode()) {
throw new RemoteCallFailedException();
}
$data = (string) $clientResponse->getBody();
// Null (empty response) is expected if only notifications were sent
$rawResponses = [];
if ('' !== $data) {
$rawResponses = json_decode($data, false);
if (json_last_error() !== JSON_ERROR_NONE) {
throw ResponseParseException::notAJsonResponse();
}
}
if (!is_array($rawResponses) && $rawResponses instanceof \stdClass) {
$rawResponses = [$rawResponses];
}
$this->responses = [];
foreach ($rawResponses as $rawResponse) {
try {
$response = new SyncResponse($rawResponse);
} catch (ResponseParseException $exception) {
//todo: logging??? (@scaytrase)
continue;
}
$this->responses[$response->getId()] = $response;
}
$this->synchronized = true;
}
/**
* @param \stdClass $response
* @throws ResponseParseException
*/
public function validate(\stdClass $response)
{
if (property_exists($response, JsonRpcResponseInterface::ERROR_FIELD) && property_exists($response, JsonRpcResponseInterface::RESULT_FIELD)) {
throw ResponseParseException::bothErrorAndResultPresent();
}
if (!property_exists($response, JsonRpcResponseInterface::ERROR_FIELD) && !property_exists($response, JsonRpcResponseInterface::RESULT_FIELD)) {
throw ResponseParseException::noErrorOrResultPresent();
}
if (!property_exists($response, JsonRpcResponseInterface::ID_FIELD)) {
throw ResponseParseException::noIdSpecified();
}
if (!property_exists($response, JsonRpcResponseInterface::VERSION_FIELD)) {
throw ResponseParseException::noVersionSpecified();
}
if ($response->jsonrpc !== JsonRpcClient::VERSION) {
throw ResponseParseException::inconsistentVersionReceived();
}
if (property_exists($response, JsonRpcResponseInterface::ERROR_FIELD)) {
if (!is_object($response->{JsonRpcResponseInterface::ERROR_FIELD})) {
throw ResponseParseException::errorIsNotAnObject();
}
if (!property_exists($response->{JsonRpcResponseInterface::ERROR_FIELD}, JsonRpcErrorInterface::ERROR_CODE_FIELD)) {
throw ResponseParseException::noErrorCodePresent();
}
if (!property_exists($response->{JsonRpcResponseInterface::ERROR_FIELD}, JsonRpcErrorInterface::ERROR_MESSAGE_FIELD)) {
throw ResponseParseException::noErrorMessagePresent();
}
}
}