%TRUE to stop reception of incoming datagrams
%TRUE to stop sending outgoing datagrams
the [I/O priority][io-priority] of the request
a #GCancellable, or %NULL
callback to call when the shutdown operation is complete
the data to pass to the callback function
2.48
Asynchronously shut down part or all of the DTLS connection. See g_dtls_connection_shutdown() for more information.