Method processRawLine

app/src/API/Server.cpp:1133–1168

* @brief Processes a non-JSON raw line from the buffer. */

 * @brief Processes a non-JSON raw line from the buffer.
 */
void API::Server::processRawLine(QTcpSocket* socket, ConnectionState& state, const QByteArray& line)
{
  Q_ASSERT(socket);
  Q_ASSERT(!line.isEmpty());

  if (line.size() > kMaxApiRawBytes) {
    qWarning() << "[API] Raw line size limit exceeded:" << state.peerAddress << ":"
               << state.peerPort << "- Line size:" << line.size() << "- Limit:" << kMaxApiRawBytes
               << "- Disconnecting client";

    sendResponseToSocket(
      socket,
      CommandResponse::makeError(
        QString(), ErrorCode::ExecutionError, QStringLiteral("Raw payload exceeds size limit"))
        .toJsonBytes());

    auto* worker = static_cast<ServerWorker*>(m_worker);
    QMetaObject::invokeMethod(
      worker, "disconnectSocket", Qt::QueuedConnection, Q_ARG(QTcpSocket*, socket));
    return;
  }

  if (!authorizeDeviceWrite()) {
    sendResponseToSocket(socket,
                         CommandResponse::makeError(QString(),
                                                    ErrorCode::ExecutionError,
                                                    QStringLiteral("Device write denied by user"))
                           .toJsonBytes());
    return;
  }

  const qint64 written = IO::ConnectionManager::instance().writeData(line);
  if (written < 0) [[unlikely]]
    qWarning() << "[API] writeData() failed for raw line"
               << "-- data not sent to device";
}

//--------------------------------------------------------------------------------------------------
// Server: data reception & dispatch