| 40 | } |
| 41 | |
| 42 | func New(path string) *Writer { |
| 43 | w := &Writer{ |
| 44 | fpath: path, //dir1/dir2/app.log |
| 45 | mu: sync.Mutex{}, |
| 46 | } |
| 47 | w.fdir = filepath.Dir(w.fpath) //dir1/dir2 |
| 48 | w.fsuffix = filepath.Ext(w.fpath) //.log |
| 49 | w.fname = strings.TrimSuffix(filepath.Base(w.fpath), w.fsuffix) //app |
| 50 | if w.fsuffix == "" { |
| 51 | w.fsuffix = ".log" |
| 52 | } |
| 53 | if w.zipsuffix == "" { |
| 54 | w.zipsuffix = ".zip" |
| 55 | } |
| 56 | w.maxSize = sizeMiB * defMaxSize |
| 57 | w.maxAge = defMaxAge |
| 58 | os.MkdirAll(filepath.Dir(w.fpath), 0755) |
| 59 | go w.daemon() |
| 60 | return w |
| 61 | } |
| 62 | func (w *Writer) daemon() { |
| 63 | for range time.NewTicker(time.Second * 5).C { |
| 64 | w.flush() |