blob *blobs.Blob
dirty dirtiness
handles uint32
// when was this entry last changed
// TODO: written time.Time
}
var _ = node(&file{})
var _ = fs.Node(&file{})
var _ = fs.NodeForgetter(&file{})
var _ = fs.NodeOpener(&file{})
var _ = fs.NodeSetattrer(&file{})
var _ = fs.NodeFsyncer(&file{})
var _ = fs.HandleFlusher(&file{})
var _ = fs.HandleReader(&file{})
var _ = fs.HandleWriter(&file{})
var _ = fs.HandleReleaser(&file{})
func (f *file) setName(name string) {
f.mu.Lock()
defer f.mu.Unlock()
f.name = name
}
func (f *file) marshalInternal() (*wire.Dirent, error) {
de := &wire.Dirent{
Inode: f.inode,
}
manifest, err := f.blob.Save()
if err != nil {
"bazil.org/bazil/fs/snap/wire"
"bazil.org/bazil/util/env"
"bazil.org/fuse"
fusefs "bazil.org/fuse/fs"
"golang.org/x/net/context"
)
type fuseFile struct {
de *wire.Dirent
rat io.ReaderAt
}
var _ = fusefs.Node(fuseFile{})
var _ = fusefs.NodeOpener(fuseFile{})
var _ = fusefs.Handle(fuseFile{})
var _ = fusefs.HandleReader(fuseFile{})
func (e fuseFile) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = 0444
a.Uid = env.MyUID
a.Gid = env.MyGID
a.Size = e.de.File.Manifest.Size
// a.Mtime = e.Meta.Written.UTC()
// a.Ctime = e.Meta.Written.UTC()
// a.Crtime = e.Meta.Written.UTC()
a.Blocks = statBlocks(e.de.File.Manifest.Size) // TODO .Space?
return nil
}
func (e fuseFile) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fusefs.Handle, error) {
if !req.Flags.IsReadOnly() {
func (benchDir) ReadDir(intr fs.Intr) ([]fuse.Dirent, fuse.Error) {
l := []fuse.Dirent{
{Inode: 2, Name: "bench", Type: fuse.DT_File},
}
return l, nil
}
type benchFile struct {
conf *benchConfig
}
var _ = fs.Node(benchFile{})
var _ = fs.NodeOpener(benchFile{})
var _ = fs.NodeFsyncer(benchFile{})
var _ = fs.Handle(benchFile{})
var _ = fs.HandleReader(benchFile{})
var _ = fs.HandleWriter(benchFile{})
func (benchFile) Attr() fuse.Attr {
return fuse.Attr{Inode: 2, Mode: 0644, Size: 9999999999999999}
}
func (f benchFile) Open(req *fuse.OpenRequest, resp *fuse.OpenResponse, intr fs.Intr) (fs.Handle, fuse.Error) {
if f.conf.directIO {
resp.Flags |= fuse.OpenDirectIO
}
// TODO configurable?
resp.Flags |= fuse.OpenKeepCache
return f, nil
}
glog.Infof("Entered Release: Artist: %s, Album: %s, Song: %s\n", fh.f.artist, fh.f.album, fh.f.name)
ret_val := fh.r.Close()
extension := filepath.Ext(fh.f.name)
songPath, err := store.GetFilePath(fh.f.artist, fh.f.album, fh.f.name)
if err != nil {
return err
}
if extension == ".mp3" {
//TODO: Use the correct artist and album
musicmgr.SetMp3Tags(fh.f.artist, fh.f.album, fh.f.song, songPath)
}
return ret_val
}
var _ = fs.HandleReader(&FileHandle{})
func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
glog.Infof("Entered Read.\n")
//TODO: Check if we need to add something here for playlists and drop directories.
if fh.r == nil {
if fh.f.name == ".description" {
glog.Info("Reading description file\n")
if len(fh.f.artist) < 1 {
return fuse.ENOENT
}
_, err := store.GetArtistPath(fh.f.artist)
if err != nil {
return err
}
n, err := h.layer.Seek(0, os.SEEK_SET)
if err != nil {
log.Warningf("Seek failed on flush: %v", err)
return fuse.ENODATA
}
if n != 0 {
log.Warningf("Seek offset is not 0")
}
err = h.fsys.Store.StageFromReader(h.path, h.layer, compress.AlgoSnappy)
if err != nil && err != store.ErrNoChange {
log.Warningf("Add failed: %v", err)
return fuse.ENODATA
}
if err := h.layer.Close(); err != nil {
log.Warningf("Close failed: %v", err)
return fuse.ENODATA
}
return nil
}
// Compiler checks to see if we got all the interfaces right:
var _ = fs.HandleFlusher(&Handle{})
var _ = fs.HandleReader(&Handle{})
var _ = fs.HandleReleaser(&Handle{})
var _ = fs.HandleWriter(&Handle{})
