Attempt to aid memory issues

runtimepy/net/server/app/env/tab/message.py

@@ -69,9 +69,7 @@ def handle_shown_state(
             for name in env.names:
                 self._setup_callback(name, state)
         else:
-            # Remove callbacks for primitives.
-            for name, val in state.callbacks.items():
-                state.primitives[name].remove_callback(val)
+            state.clear_telemetry()
 
         # Save current UI state.
         state.latest_ui_values.update(latest)

runtimepy/net/server/websocket/state.py

@@ -53,19 +53,36 @@ def frame(self, time: float) -> JsonMessage:
 
         return result
 
+    def clear_telemetry(self) -> None:
+        """Clear all telemetry interactions."""
+
+        # Remove callbacks for primitives.
+        for name, val in self.callbacks.items():
+            self.primitives[name].remove_callback(val)
+        self.callbacks.clear()
+        self.primitives.clear()
+
+        # Clear points.
+        self.points.clear()
+
     def clear_loggers(self) -> None:
         """Clear all logging handlers."""
 
+        # Remove handlers.
         for logger in self._loggers:
             logger.removeHandler(self.tab_logger)
+        self._loggers.clear()
+
         self.tab_logger.drain_str()
-        self._loggers = []
+
+        self.clear_telemetry()
 
     def add_logger(self, logger: logging.Logger) -> None:
         """Add a logger."""
 
-        logger.addHandler(self.tab_logger)
-        self._loggers.append(logger)
+        if logger not in self._loggers:
+            logger.addHandler(self.tab_logger)
+            self._loggers.append(logger)
 
     @staticmethod
     def create() -> "TabState":