Method accept

example/cpp11/timeouts/server.cpp:383–395

private:
  void accept()
  {
    acceptor_.async_accept(
        [this](const boost::system::error_code& error, tcp::socket socket)
        {
          if (!error)
          {
            std::make_shared<tcp_session>(std::move(socket), channel_)->start();
          }

          accept();
        });
  }

  boost::asio::io_context& io_context_;
  tcp::acceptor acceptor_;