Asynchronously performs a TLS handshake on @conn. See g_dtls_connection_handshake() for more information.
the [I/O priority][io-priority] of the request
a #GCancellable, or %NULL
callback to call when the handshake is complete
the data to pass to the callback function
2.48
See Implementation
Asynchronously performs a TLS handshake on @conn. See g_dtls_connection_handshake() for more information.