Beispiel #1
0
func (n *Notifier) Watch(o Observer) {
	var err error
	var abspath string
	for _, basePath := range o.Path() {
		abspath, err = filepath.Abs(basePath)
		if err != nil {
			ERROR.Println("create watcher error:", err)
			continue
		}
		if n.contain(abspath) {
			continue
		}
		var watcher *fsnotify.Watcher
		watcher, err = fsnotify.NewWatcher()
		//collect 100 events
		watcher.Event = make(chan *fsnotify.FileEvent, 200)
		//collect 10 error
		watcher.Error = make(chan error, 20)
		obsWatcher := &observerWatcher{o, watcher, abspath}
		n.watchers = append(n.watchers, obsWatcher)

		var ignoreObserver IgnoreObserver = nil
		var isIgnoreObserver bool
		ignoreObserver, isIgnoreObserver = o.(IgnoreObserver)
		watcher.Watch(abspath)
		err = filepath.Walk(abspath, func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}
			if !info.IsDir() {
				return nil
			}
			if isIgnoreObserver {
				if info.IsDir() && ignoreObserver.IgnoreDir(info) {
					return filepath.SkipDir
				}
			}
			watcher.Watch(path)
			return nil
		})
		if err != nil {
			ERROR.Println("watch error:", err)
		}
	}
}