void getClientConnection (tcp::acceptor &acceptor) {
		std::cout << "In GUIMessageSenderThread getClientConnection()" << std::endl;
		try
		{
			std::cout << "waiting for gui client to connect..." << std::endl;
			acceptor.accept(*stream_.rdbuf());
			std::cout << "...gui client connected" << std::endl;
			connected_ = true;
		}
		catch (std::exception& e)
		{
			std::cerr << "Error in gui client connection: " << e.what() << std::endl;
		}
		std::cout << "done GUIMessageSenderThread getClientConnection()" << std::endl;
	}