baseimage-tutorial-framework/lib/tfw/networking/controller_connector.py

# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
# All Rights Reserved. See LICENSE file for details.

import zmq
from zmq.eventloop.zmqstream import ZMQStream

from tfw.config import TFWENV
from tfw.networking import ZMQConnectorBase


class ControllerConnector(ZMQConnectorBase):
    def __init__(self, zmq_context=None):
        super(ControllerConnector, self).__init__(zmq_context)
        self._zmq_rep_socket = self._zmq_context.socket(zmq.REP)
        self._zmq_rep_socket.connect('tcp://localhost:{}'.format(TFWENV.CONTROLLER_PORT))
        self._zmq_rep_stream = ZMQStream(self._zmq_rep_socket)

        self.register_callback = self._zmq_rep_stream.on_recv_stream