private function callRPC($method, $parameters = [])
{
$server = new Server(new TestService());
$input = Packager::pack(['m' => $method, 'p' => $parameters]);
$response = $server->handle($input['data']);
return Packager::unpack($response['data']);
}
public function handle($service, $data, $request)
{
$this->logger->debug('request: ' . $data, $request);
$response = [];
try {
$unpacked = Packager::unpack($data);
$this->logger->debug('unpacked request', $unpacked);
} catch (\Exception $e) {
$response['s'] = Consts::ERR_PACKAGER;
$response['e'] = ['message' => $e->getMessage()];
$this->logger->error("unpack error: {$response['e']}", $request);
goto end;
}
$transaction = $unpacked['header']['transactionId'];
$method = $unpacked['body']['m'];
$parameters = $unpacked['body']['p'];
$this->logger->info("{$request['remote_addr']} {$request['request_method']} {$request['request_uri']} {$method}", $parameters);
if (!is_callable([$service, $method])) {
$response['s'] = Consts::ERR_REQUEST;
$response['e'] = ['message' => sprintf("call to undefined api %s::%s", get_class($service), $method)];
$this->logger->warning('api undefined', $response);
goto end;
}
try {
ob_start();
$response['r'] = call_user_func_array([$service, $method], $parameters);
$response['s'] = Consts::ERR_OKEY;
$this->logger->debug('api call result', $response);
$output = ob_get_contents();
ob_end_clean();
if (strlen($output) > 0) {
$response['o'] = $output;
$this->logger->debug('api call output: ', $output);
}
} catch (\Exception $e) {
$response['s'] = Consts::ERR_EXCEPTION;
$response['e'] = ['message' => $e->getMessage(), 'code' => $e->getCode(), 'file' => $e->getFile(), 'line' => $e->getLine(), '_type' => get_class($e)];
$this->logger->warning('api call exception', $response);
}
end:
$this->logger->debug('response', $response);
$response = Packager::pack($response, isset($transaction) ? $transaction : null);
return $response;
}
protected function _request($uri, $data)
{
$headers[] = 'Content-type: application/octet-stream';
$curl = curl_init();
curl_setopt($curl, CURLOPT_USERAGENT, 'Footstones RPC Client 1.0');
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_URL, $uri);
$response = curl_exec($curl);
$curlinfo = curl_getinfo($curl);
$header = substr($response, 0, $curlinfo['header_size']);
$body = substr($response, $curlinfo['header_size']);
curl_close($curl);
$context = array('CURLINFO' => $curlinfo, 'HEADER' => $header, 'BODY' => $body);
if (empty($curlinfo['namelookup_time'])) {
throw new ClientTransportException("server address look up timeout.");
}
if (empty($curlinfo['connect_time'])) {
throw new ClientTransportException("server connect timeout.");
}
if (empty($curlinfo['starttransfer_time'])) {
throw new ClientTransportException("server request timeout.");
}
if ($curlinfo['http_code'] != 200) {
throw new ClientTransportException("erver responsed non-200 code {$curlinfo['http_code']}");
}
try {
return Packager::unpack($body);
} catch (\Exception $e) {
throw new ClientTransportException($e->getMessage());
}
}
