Method RemoveAllExcept

lib/model/indexhandler.go:585–602

RemoveAllExcept stops all running index handlers and removes those pending to be started, except mentioned ones. It is a noop if the folder isn't known.

(except map[string]remoteFolderState)

// except mentioned ones.
// It is a noop if the folder isn't known.
func (r *indexHandlerRegistry) RemoveAllExcept(except map[string]remoteFolderState) {
	r.mut.Lock()
	defer r.mut.Unlock()

	r.indexHandlers.Each(func(folder string, is *indexHandler) error {
		if _, ok := except[folder]; !ok {
			r.indexHandlers.RemoveAndWait(folder, 0)
			l.Debugf("Removed index handler for device %v and folder %v (removeAllExcept)", r.conn.DeviceID().Short(), folder)
		}
		return nil
	})
	for folder := range r.startInfos {
		if _, ok := except[folder]; !ok {
			delete(r.startInfos, folder)
			l.Debugf("Removed pending index handler for device %v and folder %v (removeAllExcept)", r.conn.DeviceID().Short(), folder)
		}
	}
}

// RegisterFolderState must be called whenever something about the folder
// changes. The exception being if the folder is removed entirely, then call