get_sync_info() in zmq

zmq_target.py

class ZMQSyncTarget(ZMQClientBase, SyncTarget):
   def get_sync_info(self, source_replica_uid):
        """
        Returns the sync state.
        Note: Doesnt return anything now. BROKEN.
        """
        str_msg = serialize_msg("SourceRequest",
                                        source_replica_uid=source_replica_uid)
        str_sync_type = serialize_msg("SyncType", sync_type="sync-from")
        str_zmq_verb = serialize_msg("ZMQVerb", verb=proto.ZMQVerb.GET)
        to_send = [str_msg, str_sync_type, str_msg]
        self.speaker.send(to_send)

        # TODO: Find a way to return the response of the above request.
        # return async_response