Construct and open a
basic_stream_socket( const executor_type & ex, const protocol_type & protocol);
This constructor creates and opens a stream socket. The socket needs to be connected or accepted before data can be sent or received on it.
The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.
An object specifying protocol parameters to be used.
Thrown on failure.