+
+
+def _handle_func_status(status, msg=None):
+ if status == native_bt.__BT_FUNC_STATUS_OK:
+ # no error
+ return
+
+ if status == native_bt.__BT_FUNC_STATUS_ERROR:
+ assert msg is not None
+ raise bt2._Error(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_MEMORY_ERROR:
+ assert msg is not None
+ raise bt2._MemoryError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_END:
+ if msg is None:
+ raise bt2.Stop
+ else:
+ raise bt2.Stop(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_AGAIN:
+ if msg is None:
+ raise bt2.TryAgain
+ else:
+ raise bt2.TryAgain(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_OVERFLOW_ERROR:
+ if msg is None:
+ raise bt2._OverflowError
+ else:
+ raise bt2._OverflowError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_UNKNOWN_OBJECT:
+ if msg is None:
+ raise bt2.UnknownObject
+ else:
+ raise bt2.UnknownObject(msg)
+ else:
+ assert False
+
+
+class _ListenerHandle:
+ def __init__(self, addr):
+ self._addr = addr
+ self._listener_id = None
+
+ def _set_listener_id(self, listener_id):
+ self._listener_id = listener_id
+
+ def _invalidate(self):
+ self._listener_id = None