Method do_receive

example/cpp11/multicast/receiver.cpp:41–55

private:
  void do_receive()
  {
    socket_.async_receive_from(
        boost::asio::buffer(data_), sender_endpoint_,
        [this](boost::system::error_code ec, std::size_t length)
        {
          if (!ec)
          {
            std::cout.write(data_.data(), length);
            std::cout << std::endl;

            do_receive();
          }
        });
  }

  boost::asio::ip::udp::socket socket_;
  boost::asio::ip::udp::endpoint sender_endpoint_;