func (fs *MultiZipFs) GetAttr(name string, context *fuse.Context) (*fuse.Attr, fuse.Status) {
a := &fuse.Attr{}
a.Owner = *fuse.CurrentOwner()
if name == "" {
// Should not write in top dir.
a.Mode = fuse.S_IFDIR | 0500
return a, fuse.OK
}
if name == "config" {
a.Mode = fuse.S_IFDIR | 0700
return a, fuse.OK
}
dir, base := filepath.Split(name)
if dir != "" && dir != CONFIG_PREFIX {
return nil, fuse.ENOENT
}
submode := uint32(fuse.S_IFDIR | 0700)
if dir == CONFIG_PREFIX {
submode = fuse.S_IFLNK | 0600
}
fs.lock.RLock()
defer fs.lock.RUnlock()
a.Mode = submode
_, hasDir := fs.zips[base]
if hasDir {
return a, fuse.OK
}
return nil, fuse.ENOENT
}
// NewOptions generates FUSE options that correspond to libfuse's
// defaults.
func NewOptions() *Options {
return &Options{
NegativeTimeout: 0,
AttrTimeout: time.Second,
EntryTimeout: time.Second,
Owner: fuse.CurrentOwner(),
}
}
func main() {
debug := flag.Bool("debug", false, "debug on")
hardlinks := flag.Bool("hardlinks", false, "support hardlinks")
delcache_ttl := flag.Float64("deletion_cache_ttl", 5.0, "Deletion cache TTL in seconds.")
branchcache_ttl := flag.Float64("branchcache_ttl", 5.0, "Branch cache TTL in seconds.")
deldirname := flag.String(
"deletion_dirname", "GOUNIONFS_DELETIONS", "Directory name to use for deletions.")
hide_readonly_link := flag.Bool("hide_readonly_link", true,
"Hides READONLY link from the top mountpoints. "+
"Enabled by default.")
portableInodes := flag.Bool("portable-inodes", false,
"Use sequential 32-bit inode numbers.")
flag.Parse()
if len(flag.Args()) < 2 {
fmt.Println("Usage:\n main MOUNTPOINT BASEDIR")
os.Exit(2)
}
ufsOptions := unionfs.UnionFsOptions{
DeletionCacheTTL: time.Duration(*delcache_ttl * float64(time.Second)),
BranchCacheTTL: time.Duration(*branchcache_ttl * float64(time.Second)),
DeletionDirName: *deldirname,
}
options := unionfs.AutoUnionFsOptions{
UnionFsOptions: ufsOptions,
Options: nodefs.Options{
EntryTimeout: time.Second,
AttrTimeout: time.Second,
NegativeTimeout: time.Second,
Owner: fuse.CurrentOwner(),
},
UpdateOnMount: true,
PathNodeFsOptions: pathfs.PathNodeFsOptions{
ClientInodes: *hardlinks,
},
HideReadonly: *hide_readonly_link,
}
fsOpts := nodefs.Options{
PortableInodes: *portableInodes,
}
gofs := unionfs.NewAutoUnionFs(flag.Arg(1), options)
pathfs := pathfs.NewPathNodeFs(gofs, nil)
state, conn, err := nodefs.MountRoot(flag.Arg(0), pathfs.Root(), &fsOpts)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
pathfs.SetDebug(*debug)
conn.SetDebug(*debug)
state.SetDebug(*debug)
state.Serve()
time.Sleep(1 * time.Second)
}
func main() {
version := flag.Bool("version", false, "print version number")
debug := flag.Bool("debug", false, "debug on")
hardlinks := flag.Bool("hardlinks", false, "support hardlinks")
delcache_ttl := flag.Float64("deletion_cache_ttl", 5.0, "Deletion cache TTL in seconds.")
branchcache_ttl := flag.Float64("branchcache_ttl", 5.0, "Branch cache TTL in seconds.")
deldirname := flag.String(
"deletion_dirname", "GOUNIONFS_DELETIONS", "Directory name to use for deletions.")
flag.Parse()
if *version {
fmt.Println(fuse.Version())
os.Exit(0)
}
if len(flag.Args()) < 2 {
fmt.Println("Usage:\n main MOUNTPOINT BASEDIR")
os.Exit(2)
}
ufsOptions := unionfs.UnionFsOptions{
DeletionCacheTTL: time.Duration(*delcache_ttl * float64(time.Second)),
BranchCacheTTL: time.Duration(*branchcache_ttl * float64(time.Second)),
DeletionDirName: *deldirname,
}
options := unionfs.AutoUnionFsOptions{
UnionFsOptions: ufsOptions,
FileSystemOptions: fuse.FileSystemOptions{
EntryTimeout: time.Second,
AttrTimeout: time.Second,
NegativeTimeout: time.Second,
Owner: fuse.CurrentOwner(),
},
UpdateOnMount: true,
PathNodeFsOptions: fuse.PathNodeFsOptions{
ClientInodes: *hardlinks,
},
}
fmt.Printf("AutoUnionFs - Go-FUSE Version %v.\n", fuse.Version())
gofs := unionfs.NewAutoUnionFs(flag.Arg(1), options)
pathfs := fuse.NewPathNodeFs(gofs, nil)
state, conn, err := fuse.MountNodeFileSystem(flag.Arg(0), pathfs, nil)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
pathfs.Debug = *debug
conn.Debug = *debug
state.Debug = *debug
gofs.SetMountState(state)
state.Loop()
}
func makeAttr(mode uint32) types.Struct {
now := time.Now()
ctime := types.Number(float64(now.Unix()) + float64(now.Nanosecond())/1000000000)
mtime := ctime
user := fuse.CurrentOwner()
gid := types.Number(float64(user.Gid))
uid := types.Number(float64(user.Uid))
return types.NewStructWithType(attrType, types.ValueSlice{ctime, gid, types.Number(mode), mtime, uid, types.NewMap()})
}
func TestDefaultNodeGetAttr(t *testing.T) {
dir := testutil.TempDir()
defer os.RemoveAll(dir)
opts := &nodefs.Options{
// Note: defaultNode.GetAttr() calling file.GetAttr() is only useful if
// AttrTimeout is zero.
// See https://github.com/JonathonReinhart/gitlab-fuse/issues/2
Owner: fuse.CurrentOwner(),
}
root := nodefs.NewDefaultNode()
s, _, err := nodefs.MountRoot(dir, root, opts)
if err != nil {
t.Fatalf("MountRoot: %v", err)
}
go s.Serve()
if err := s.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
defer s.Unmount()
// Attach another custom node type
root.Inode().NewChild("foo", false, &myNode{
Node: nodefs.NewDefaultNode(),
content: []byte("success"),
})
filepath := path.Join(dir, "foo")
// NewDefaultNode() should provide for stat that indicates 0-byte regular file
fi, err := os.Stat(filepath)
if err != nil {
t.Fatalf("Stat: %v", err)
}
if mode := (fi.Mode() & os.ModeType); mode != 0 {
// Mode() & ModeType should be zero for regular files
t.Fatalf("Unexpected mode: %#o", mode)
}
if size := fi.Size(); size != 0 {
t.Fatalf("Unexpected size: %d", size)
}
// But when we open the file, we should get the content
content, err := ioutil.ReadFile(filepath)
if err != nil {
t.Fatalf("ReadFile: %v", err)
}
if string(content) != "success" {
t.Fatalf("Unexpected content: %v", content)
}
}
func main() {
version := flag.Bool("version", false, "print version number")
debug := flag.Bool("debug", false, "debug on")
threaded := flag.Bool("threaded", true, "threading on")
delcache_ttl := flag.Float64("deletion_cache_ttl", 5.0, "Deletion cache TTL in seconds.")
branchcache_ttl := flag.Float64("branchcache_ttl", 5.0, "Branch cache TTL in seconds.")
deldirname := flag.String(
"deletion_dirname", "GOUNIONFS_DELETIONS", "Directory name to use for deletions.")
flag.Parse()
if *version {
fmt.Println(fuse.Version())
os.Exit(0)
}
if len(flag.Args()) < 2 {
fmt.Println("Usage:\n main MOUNTPOINT BASEDIR")
os.Exit(2)
}
ufsOptions := unionfs.UnionFsOptions{
DeletionCacheTTLSecs: *delcache_ttl,
BranchCacheTTLSecs: *branchcache_ttl,
DeletionDirName: *deldirname,
}
options := unionfs.AutoUnionFsOptions{
UnionFsOptions: ufsOptions,
FileSystemOptions: fuse.FileSystemOptions{
EntryTimeout: 1.0,
AttrTimeout: 1.0,
NegativeTimeout: 1.0,
Owner: fuse.CurrentOwner(),
},
UpdateOnMount: true,
}
gofs := unionfs.NewAutoUnionFs(flag.Arg(1), options)
pathfs := fuse.NewPathNodeFs(gofs)
state, conn, err := fuse.MountNodeFileSystem(flag.Arg(0), pathfs, nil)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
pathfs.Debug = *debug
conn.Debug = *debug
state.Debug = *debug
state.Loop(*threaded)
}
func (fs *autoUnionFs) GetAttr(path string, context *fuse.Context) (*fuse.Attr, fuse.Status) {
a := &fuse.Attr{
Owner: *fuse.CurrentOwner(),
}
if path == "" || path == _CONFIG || path == _STATUS {
a.Mode = fuse.S_IFDIR | 0755
return a, fuse.OK
}
if path == filepath.Join(_STATUS, _VERSION) {
a.Mode = fuse.S_IFREG | 0644
a.Size = uint64(len(fs.options.Version))
return a, fuse.OK
}
if path == filepath.Join(_STATUS, _DEBUG) {
a.Mode = fuse.S_IFREG | 0644
a.Size = uint64(len(fs.DebugData()))
return a, fuse.OK
}
if path == filepath.Join(_STATUS, _ROOT) {
a.Mode = syscall.S_IFLNK | 0644
return a, fuse.OK
}
if path == filepath.Join(_CONFIG, _SCAN_CONFIG) {
a.Mode = fuse.S_IFREG | 0644
return a, fuse.OK
}
comps := strings.Split(path, string(filepath.Separator))
if len(comps) > 1 && comps[0] == _CONFIG {
fs := fs.getUnionFs(comps[1])
if fs == nil {
return nil, fuse.ENOENT
}
a.Mode = syscall.S_IFLNK | 0644
return a, fuse.OK
}
return nil, fuse.ENOENT
}