Method processNoNewlineBuffer

app/src/API/Server.cpp:1012–1046

* @brief Handles a buffered message when no newline delimiter is present. */

 * @brief Handles a buffered message when no newline delimiter is present.
 */
void API::Server::processNoNewlineBuffer(QTcpSocket* socket, ConnectionState& state)
{
  Q_ASSERT(socket);

  auto& buffer       = state.buffer;
  const auto trimmed = buffer.trimmed();

  const char firstChar = trimmed.isEmpty() ? '\0' : trimmed.at(0);
  if (firstChar == '{' || firstChar == '[') {
    processBufferedJson(socket, state, trimmed);
    return;
  }

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

    disconnectClient(
      socket, state, ErrorCode::ExecutionError, QStringLiteral("Raw payload exceeds size limit"));
    return;
  }

  if (!authorizeDeviceWrite()) {
    buffer.clear();
    return;
  }

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

  buffer.clear();
}

/**
 * @brief Attempts to parse buffered data as a complete JSON message.