Create initial version of SolvableConnector

lib/tfw/networking/solvable_connector.py

@@ -0,0 +1,21 @@
+import zmq
+from zmq.eventloop import ioloop
+
+from tfw.config import CONTROLLER_PORT
+from tfw.util import ZMQConnectorBase
+from tfw.networking.serialization import serialize_all, deserialize_all
+
+ioloop.install()
+
+
+class SolvableConnector(ZMQConnectorBase):
+    def __init__(self, zmq_context=None):
+        super(SolvableConnector, self).__init__(zmq_context)
+        self._zmq_req_socket = self._zmq_context.socket(zmq.REQ)
+        self._zmq_req_socket.bind('tcp://*:{}'.format(CONTROLLER_PORT))
+
+    def send(self, key, message):
+        self._zmq_req_socket.send_multipart(serialize_all(key, message))
+
+    def recv(self):
+        return deserialize_all(*self._zmq_req_socket.recv_multipart())