Function do_session

example/http/server/sync/http_server_sync.cpp:211–255

Handles an HTTP server connection

// Handles an HTTP server connection
void
do_session(
    tcp::socket& socket,
    std::shared_ptr<std::string const> const& doc_root)
{
    beast::error_code ec;

    // This buffer is required to persist across reads
    beast::flat_buffer buffer;

    for(;;)
    {
        // Read a request
        http::request<http::string_body> req;
        http::read(socket, buffer, req, ec);
        if(ec == http::error::end_of_stream)
            break;
        if(ec)
            return fail(ec, "read");

        // Handle request
        http::message_generator msg =
            handle_request(*doc_root, std::move(req));

        // Determine if we should close the connection
        bool keep_alive = msg.keep_alive();

        // Send the response
        beast::write(socket, std::move(msg), ec);

        if(ec)
            return fail(ec, "write");
        if(! keep_alive)
        {
            // This means we should close the connection, usually because
            // the response indicated the "Connection: close" semantic.
            break;
        }
    }

    // Send a TCP shutdown
    socket.shutdown(tcp::socket::shutdown_send, ec);

    // At this point the connection is closed gracefully
}

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