forked from hanwen/go-fuse
/
main.go
60 lines (53 loc) · 1.29 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
// A Go mirror of libfuse's hello.c
package main
import (
"flag"
"github.com/hanwen/go-fuse/fuse"
"log"
)
type HelloFs struct {
fuse.DefaultFileSystem
}
func (me *HelloFs) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) {
switch name {
case "file.txt":
return &fuse.Attr{
Mode: fuse.S_IFREG | 0644, Size: uint64(len(name)),
}, fuse.OK
case "":
return &fuse.Attr{
Mode: fuse.S_IFDIR | 0755,
}, fuse.OK
}
return nil, fuse.ENOENT
}
func (me *HelloFs) OpenDir(name string, context *fuse.Context) (c chan fuse.DirEntry, code fuse.Status) {
if name == "" {
c = make(chan fuse.DirEntry, 1)
c <- fuse.DirEntry{Name: "file.txt", Mode: fuse.S_IFREG}
close(c)
return c, fuse.OK
}
return nil, fuse.ENOENT
}
func (me *HelloFs) Open(name string, flags uint32, context *fuse.Context) (file fuse.File, code fuse.Status) {
if name != "file.txt" {
return nil, fuse.ENOENT
}
if flags&fuse.O_ANYWRITE != 0 {
return nil, fuse.EPERM
}
return fuse.NewDataFile([]byte(name)), fuse.OK
}
func main() {
flag.Parse()
if len(flag.Args()) < 1 {
log.Fatal("Usage:\n hello MOUNTPOINT")
}
nfs := fuse.NewPathNodeFs(&HelloFs{}, nil)
state, _, err := fuse.MountNodeFileSystem(flag.Arg(0), nfs, nil)
if err != nil {
log.Fatal("Mount fail: %v\n", err)
}
state.Loop()
}