1 b1b8898e 2017-06-21 progrium package ufs
 2 b1b8898e 2017-06-21 progrium 
 3 b1b8898e 2017-06-21 progrium import (
 4 b1b8898e 2017-06-21 progrium 	"os"
 5 b1b8898e 2017-06-21 progrium 	"sync"
 6 b1b8898e 2017-06-21 progrium 
 7 b1b8898e 2017-06-21 progrium 	p9p "github.com/docker/go-p9p"
 8 b1b8898e 2017-06-21 progrium )
 9 b1b8898e 2017-06-21 progrium 
10 b1b8898e 2017-06-21 progrium type FileRef struct {
11 b1b8898e 2017-06-21 progrium 	sync.Mutex
12 b1b8898e 2017-06-21 progrium 	Path    string
13 b1b8898e 2017-06-21 progrium 	Info    p9p.Dir
14 b1b8898e 2017-06-21 progrium 	File    *os.File
15 b1b8898e 2017-06-21 progrium 	Readdir *p9p.Readdir
16 b1b8898e 2017-06-21 progrium }
17 b1b8898e 2017-06-21 progrium 
18 b1b8898e 2017-06-21 progrium func (f *FileRef) Stat() error {
19 b1b8898e 2017-06-21 progrium 	f.Lock()
20 b1b8898e 2017-06-21 progrium 	defer f.Unlock()
21 84f0f75d 2017-06-21 progrium 	return f.statLocked()
22 84f0f75d 2017-06-21 progrium }
23 b1b8898e 2017-06-21 progrium 
24 84f0f75d 2017-06-21 progrium func (f *FileRef) statLocked() error {
25 b1b8898e 2017-06-21 progrium 	info, err := os.Lstat(f.Path)
26 b1b8898e 2017-06-21 progrium 	if err != nil {
27 b1b8898e 2017-06-21 progrium 		return err
28 b1b8898e 2017-06-21 progrium 	}
29 b1b8898e 2017-06-21 progrium 
30 b1b8898e 2017-06-21 progrium 	f.Info = dirFromInfo(info)
31 b1b8898e 2017-06-21 progrium 	return nil
32 b1b8898e 2017-06-21 progrium }
33 b1b8898e 2017-06-21 progrium 
34 b1b8898e 2017-06-21 progrium func (f *FileRef) IsDir() bool {
35 b1b8898e 2017-06-21 progrium 	return f.Info.Mode&p9p.DMDIR > 0
36 b1b8898e 2017-06-21 progrium }