folly::StringPiece toString()

in quic/QuicException.cpp [64:131]

• 68 lines of code
• 31 McCabe index (conditional complexity)

folly::StringPiece toString(LocalErrorCode code) {
  switch (code) {
    case LocalErrorCode::NO_ERROR:
      return "No Error";
    case LocalErrorCode::CONNECT_FAILED:
      return "Connect failed";
    case LocalErrorCode::CODEC_ERROR:
      return "Codec Error";
    case LocalErrorCode::STREAM_CLOSED:
      return "Stream is closed";
    case LocalErrorCode::STREAM_NOT_EXISTS:
      return "Stream does not exist";
    case LocalErrorCode::CREATING_EXISTING_STREAM:
      return "Creating an existing stream";
    case LocalErrorCode::SHUTTING_DOWN:
      return "Shutting down";
    case LocalErrorCode::RESET_CRYPTO_STREAM:
      return "Reset the crypto stream";
    case LocalErrorCode::CWND_OVERFLOW:
      return "CWND overflow";
    case LocalErrorCode::INFLIGHT_BYTES_OVERFLOW:
      return "Inflight bytes overflow";
    case LocalErrorCode::LOST_BYTES_OVERFLOW:
      return "Lost bytes overflow";
    case LocalErrorCode::NEW_VERSION_NEGOTIATED:
      return "New version negotiatied";
    case LocalErrorCode::INVALID_WRITE_CALLBACK:
      return "Invalid write callback";
    case LocalErrorCode::CALLBACK_ALREADY_INSTALLED:
      return "Callback already installed";
    case LocalErrorCode::TLS_HANDSHAKE_FAILED:
      return "TLS handshake failed";
    case LocalErrorCode::APP_ERROR:
      return "App error";
    case LocalErrorCode::INTERNAL_ERROR:
      return "Internal error";
    case LocalErrorCode::TRANSPORT_ERROR:
      return "Transport error";
    case LocalErrorCode::INVALID_WRITE_DATA:
      return "Invalid write data";
    case LocalErrorCode::INVALID_STATE_TRANSITION:
      return "Invalid state transition";
    case LocalErrorCode::CONNECTION_CLOSED:
      return "Connection closed";
    case LocalErrorCode::EARLY_DATA_REJECTED:
      return "Early data rejected";
    case LocalErrorCode::CONNECTION_RESET:
      return "Connection reset";
    case LocalErrorCode::IDLE_TIMEOUT:
      return "Idle timeout";
    case LocalErrorCode::PACKET_NUMBER_ENCODING:
      return "Packet number encoding";
    case LocalErrorCode::INVALID_OPERATION:
      return "Invalid operation";
    case LocalErrorCode::STREAM_LIMIT_EXCEEDED:
      return "Stream limit exceeded";
    case LocalErrorCode::CONNECTION_ABANDONED:
      return "Connection abandoned";
    case LocalErrorCode::KNOB_FRAME_UNSUPPORTED:
      return "Knob Frame Not Supported";
    case LocalErrorCode::PACER_NOT_AVAILABLE:
      return "Pacer not available";
    default:
      break;
  }
  LOG(WARNING) << "toString has unhandled ErrorCode";
  return "Unknown error";
}