|  | 
            Construct a basic_raw_socket without opening
            it.
          
basic_raw_socket( asio::io_service & io_service);
            This constructor creates a raw socket without opening it. The open()
            function must be called before data can be sent or received on the socket.
          
                  The io_service
                  object that the raw socket will use to dispatch handlers for any
                  asynchronous operations performed on the socket.