def __init__(self, middleware, conf):
<EOL>self._db = None<EOL>self.middleware = middleware<EOL>self.config = conf<EOL>self.limits = LimitData()<EOL>self.pending = eventlet.semaphore.Semaphore()<EOL>self.listen_thread = None<EOL>
Initialize the ControlDaemon.  Starts the listening thread and
triggers an immediate reload.