public function recv()
{
$rawResponse = '';
do {
$bytesRead = $this->clientSocket->read($buffer, 1024);
if ($bytesRead > 0) {
$rawResponse .= $buffer;
} else {
break;
}
} while ($rawResponse[strlen($rawResponse) - 1] != '\\n');
if ($rawResponse) {
return JsonResponse::parse($rawResponse);
}
return null;
}