Rework whole TFW networking model

lib/tfw/networking/event_handlers/server_connector.py

@@ -2,6 +2,7 @@
 # All Rights Reserved. See LICENSE file for details.
 
 from functools import partial
+from enum import Enum
 
 import zmq
 from zmq.eventloop.zmqstream import ZMQStream
@@ -33,52 +34,23 @@ class ServerDownlinkConnector(ZMQConnectorBase):
         self._zmq_sub_stream.close()
 
 
+class Scope(Enum):
+    ZMQ = 'zmq'
+    WEBSOCKET = 'websocket'
+    BROADCAST = 'broadcast'
+
+
 class ServerUplinkConnector(ZMQConnectorBase):
-    """
-    Class capable of sending messages to the TFW server and event handlers.
-    """
     def __init__(self, zmq_context=None):
         super(ServerUplinkConnector, self).__init__(zmq_context)
         self._zmq_push_socket = self._zmq_context.socket(zmq.PUSH)
         self._zmq_push_socket.connect(f'tcp://localhost:{TFWENV.RECEIVER_PORT}')
         self._zmq_push_socket.setsockopt(zmq.SNDHWM, 0)
 
-    def send_to_eventhandler(self, message):
-        """
-        Send a message to an event handler through the TFW server.
-
-        This envelopes the desired message in the 'data' field of the message to
-        TFWServer, which will mirror it to event handlers.
-
-        :param message: JSON message you want to send
-        """
-        self.send({
-            'key': 'mirror',
-            'data': message
-        })
-
-    def send(self, message):
-        """
-        Send a message to the frontend through the TFW server.
-
-        :param message: JSON message you want to send
-        """
+    def send_message(self, message, scope=Scope.ZMQ):
+        message['scope'] = scope.value
         self._zmq_push_socket.send_multipart(serialize_tfw_msg(message))
 
-    def broadcast(self, message):
-        """
-        Broadast a message through the TFW server.
-
-        This envelopes the desired message in the 'data' field of the message to
-        TFWServer, which will broadast it.
-
-        :param message: JSON message you want to send
-        """
-        self.send({
-            'key': 'broadcast',
-            'data': message
-        })
-
     def close(self):
         self._zmq_push_socket.close()