Method do_read_input

example/cpp11/chat/posix_chat_client.cpp:105–133

  }

  void do_read_input()
  {
    // Read a line of input entered by the user.
    boost::asio::async_read_until(input_, input_buffer_, '\n',
        [this](boost::system::error_code ec, std::size_t length)
        {
          if (!ec)
          {
            // Write the message (minus the newline) to the server.
            write_msg_.body_length(length - 1);
            input_buffer_.sgetn(write_msg_.body(), length - 1);
            input_buffer_.consume(1); // Remove newline from input.
            write_msg_.encode_header();
            do_write_message();
          }
          else if (ec == boost::asio::error::not_found)
          {
            // Didn't get a newline. Send whatever we have.
            write_msg_.body_length(input_buffer_.size());
            input_buffer_.sgetn(write_msg_.body(), input_buffer_.size());
            write_msg_.encode_header();
            do_write_message();
          }
          else
          {
            close();
          }
        });
  }

  void do_write_message()
  {