Const This event is emitted when no handler could be found for the given protocol of an event or request message.
This event is emitted when the first HDSFrame is received from a new connection. The connection expects the handler to identify the connection by trying to match the decryption keys. If identification was successful the PreparedDataStreamSession should be supplied to the callback, otherwise undefined should be supplied.
This event is emitted when the socket of the connection was closed.