This is any kind of object that can be used within the select() method as a source of low-level events.
def fileno(self):
Derived classes should implement this to provide a method that returns a file
number for the object, suitable for use in the select() function.
Returns true for as long as the server is active.
Shuts down the connection.
isActive(self)
def isActive(self):
shutdown(self)
def shutdown(self):