Boost.Asio async_send question

Question

I\'m using Boost.Asio for a server application that I\'m writing.

async_send requires the caller to keep ownership of the data that is being sent until

Answer 1

The way that I've been doing it is to really take the "TCP is a stream" concept to heart. So I have a boost::asio::streambuf for each connection to represent what I send to the client.

Like most of the examples in boost, I have a tcp_connection class with an object per connection. Each one has a memeber boost::asio::streambuf response_; and when I want to send something to the client I just do this:

std::ostream responce_stream(&response_);
responce_stream << "whatever my responce message happens to be!\r\n";

boost::asio::async_write(
    socket_,
    response_,
    boost::bind(
        &tcp_connection::handle_write,
        shared_from_this(),
        boost::asio::placeholders::error,
        boost::asio::placeholders::bytes_transferred));