int before_request(void *hook_data, void *call_data);
int after_request(void *hook_data, void *call_data);
int before_statedump_end(void *hook_data, void *call_data);
-
+int before_bdev_event_hook(void *hook_data, void *call_data);
gint update_time_window_hook(void *hook_data, void *call_data);