func (n *mutFile) Attr(ctx context.Context, a *fuse.Attr) error {
// TODO: don't grab n.mu three+ times in here.
var mode os.FileMode = 0600 // writable
n.mu.Lock()
size := n.size
var blocks uint64
if size > 0 {
blocks = uint64(size)/512 + 1
}
inode := n.permanode.Sum64()
if n.symLink {
mode |= os.ModeSymlink
}
n.mu.Unlock()
a.Inode = inode
a.Mode = mode
a.Uid = uint32(os.Getuid())
a.Gid = uint32(os.Getgid())
a.Size = uint64(size)
a.Blocks = blocks
a.Mtime = n.modTime()
a.Atime = n.accessTime()
a.Ctime = serverStart
a.Crtime = serverStart
return nil
}
func (s staticFileNode) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = 0400
a.Uid = uint32(os.Getuid())
a.Gid = uint32(os.Getgid())
a.Size = uint64(len(s))
a.Mtime = serverStart
a.Ctime = serverStart
a.Crtime = serverStart
return nil
}
func (f File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = f.mode
a.Size = f.size
a.Atime = f.Atime
a.Mtime = f.Mtime
a.Ctime = f.Ctime
a.Crtime = f.Ctime
a.Uid = f.Uid
a.Gid = f.Gid
return nil
}
func copyAttr(dst *fuse.Attr, src *pb.Attr) {
dst.Inode = src.Inode
dst.Mode = os.FileMode(src.Mode)
dst.Size = src.Size
dst.Mtime = time.Unix(src.Mtime, 0)
dst.Atime = time.Unix(src.Atime, 0)
dst.Ctime = time.Unix(src.Ctime, 0)
dst.Crtime = time.Unix(src.Crtime, 0)
dst.Uid = src.Uid
dst.Gid = src.Gid
}
func nodeAttr(ctx context.Context, n Node, attr *fuse.Attr) error {
attr.Valid = attrValidTime
attr.Nlink = 1
attr.Atime = startTime
attr.Mtime = startTime
attr.Ctime = startTime
attr.Crtime = startTime
if err := n.Attr(ctx, attr); err != nil {
return err
}
return nil
}
// Attr updates the attribes of a directory
func (d *Dir) Attr(ctx context.Context, a *fuse.Attr) error {
fs.Debug(d.path, "Dir.Attr")
a.Gid = gid
a.Uid = uid
a.Mode = os.ModeDir | dirPerms
a.Atime = d.modTime
a.Mtime = d.modTime
a.Ctime = d.modTime
a.Crtime = d.modTime
// FIXME include Valid so get some caching? Also mtime
return nil
}
// Attr fills the file attributes for a symlink node.
func (s *Symlink) Attr(ctx context.Context, a *fuse.Attr) (err error) {
a.Size = uint64(s.so.Bytes)
a.BlockSize = 0
a.Blocks = 0
a.Mode = os.ModeSymlink | os.FileMode(DefaultMode)
a.Gid = uint32(DefaultGID)
a.Uid = uint32(DefaultUID)
a.Mtime = getMtime(s.so, s.sh)
a.Ctime = a.Mtime
a.Crtime = a.Mtime
return nil
}
// Attr fills the file attributes for an object node.
func (o *Object) Attr(ctx context.Context, a *fuse.Attr) (err error) {
a.Size = o.size()
a.BlockSize = uint32(BlockSize)
a.Blocks = (a.Size / uint64(a.BlockSize)) * 8
a.Mode = os.FileMode(DefaultMode)
a.Gid = uint32(DefaultGID)
a.Uid = uint32(DefaultUID)
a.Mtime = getMtime(o.so, o.sh)
a.Ctime = a.Mtime
a.Crtime = a.Mtime
return nil
}
// Converts Attrs datastructure into FUSE represnetation
func (this *Attrs) Attr(a *fuse.Attr) error {
a.Inode = this.Inode
a.Mode = this.Mode
if (a.Mode & os.ModeDir) == 0 {
a.Size = this.Size
}
a.Uid = this.Uid
a.Gid = this.Gid
a.Mtime = this.Mtime
a.Ctime = this.Ctime
a.Crtime = this.Crtime
return nil
}
// Attr fills file attributes of a directory within the current context.
func (d *Directory) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | os.FileMode(DefaultMode)
a.Gid = uint32(DefaultGID)
a.Uid = uint32(DefaultUID)
a.Size = uint64(BlockSize)
if d.so != nil {
a.Atime = time.Now()
a.Mtime = MountTime
a.Ctime = a.Mtime
a.Crtime = a.Mtime
}
return nil
}
func (n FileNode) Attr(ctx context.Context, a *bfuse.Attr) error {
attr, err := n.fs.Attr(n.id)
if err != nil {
panic("fs.Attr failed for FileNode")
}
a.Inode = uint64(n.id)
a.Mode = 0666
a.Atime = time.Now()
a.Mtime = time.Now()
a.Ctime = time.Now()
a.Crtime = time.Now()
a.Size = uint64(attr.Size)
return nil
}
func (d DirNode) Attr(ctx context.Context, a *bfuse.Attr) error {
log.Printf("DirNode Attr id: %d", d.id)
attr, err := d.fs.Attr(d.id)
if err != nil {
panic("bfs.Attr failed for DirNode")
}
a.Inode = uint64(d.id)
a.Mode = os.ModeDir | 0777
a.Atime = time.Now()
a.Mtime = time.Now()
a.Ctime = time.Now()
a.Crtime = time.Now()
a.Size = uint64(attr.Size)
return nil
}
func (n FileNode) Attr(ctx context.Context, a *bfuse.Attr) error {
attr, err := n.fs.Attr(n.id)
if err != nil {
panic("fs.Attr failed for FileNode")
}
a.Valid = 1 * time.Minute
a.Nlink = 1
a.Inode = uint64(n.id)
a.Mode = os.FileMode(attr.PermMode) & os.ModePerm
a.Atime = attr.ModifiedT
a.Mtime = attr.ModifiedT
a.Ctime = attr.ModifiedT
a.Crtime = attr.ModifiedT
a.Size = uint64(attr.Size)
a.Uid = attr.Uid
a.Gid = attr.Gid
return nil
}
// Attr fills out the attributes for the file
func (f *File) Attr(ctx context.Context, a *fuse.Attr) error {
f.mu.Lock()
defer f.mu.Unlock()
fs.Debug(f.o, "File.Attr")
a.Gid = gid
a.Uid = uid
a.Mode = filePerms
// if o is nil it isn't valid yet, so return the size so far
if f.o == nil {
a.Size = uint64(atomic.LoadInt64(&f.size))
} else {
a.Size = uint64(f.o.Size())
if !noModTime {
modTime := f.o.ModTime()
a.Atime = modTime
a.Mtime = modTime
a.Ctime = modTime
a.Crtime = modTime
}
}
return nil
}
func SetSysAttributes(sp *sys.Stat_t, a *fuse.Attr) {
a.Atime = TimespecToGoTime(sp.Atimespec)
a.Crtime = TimespecToGoTime(sp.Birthtimespec) // time of creation (OS X only)
a.Ctime = TimespecToGoTime(sp.Ctimespec) // time of last inode change
a.Flags = sp.Flags
}