def __init__(self, frontend_pid=None):
"""
Backend constructor, create needed instances.
"""
self._signaler = Signaler()
self._frontend_pid = frontend_pid
self._frontend_checker = None
self._ongoing_defers = []
self._zmq_connection = TxZmqREPConnection(
self.BIND_ADDR, self._process_request)
def __init__(self, frontend_pid=None):
"""
Backend constructor, create needed instances.
"""
self._signaler = Signaler()
self._frontend_pid = frontend_pid
self._do_work = threading.Event() # used to stop the worker thread.
self._zmq_socket = None
self._ongoing_defers = []
self._init_zmq()
