Create initial version of ControllerConnector

lib/tfw/networking/controller_connector.py

@@ -0,0 +1,18 @@
+import zmq
+from zmq.eventloop import ioloop
+from zmq.eventloop.zmqstream import ZMQStream
+
+from tfw.config import CONTROLLER_PORT
+from tfw.util import ZMQConnectorBase
+
+ioloop.install()
+
+
+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(CONTROLLER_PORT))
+        self._zmq_rep_stream = ZMQStream(self._zmq_rep_socket)
+
+        self.register_callback = self._zmq_rep_stream.on_recv