// mu protects the fields below.
mu sync.Mutex
name string
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{
"syscall"
"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
}
// RecordedMknod returns information about the Mknod request.
// If no request was seen, returns a zero value.
func (r *Mknods) RecordedMknod() fuse.MknodRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.MknodRequest{}
}
return *(val.(*fuse.MknodRequest))
}
// Opens records a Open request and its fields.
type Opens struct {
rec RequestRecorder
}
var _ = fs.NodeOpener(&Opens{})
// Open records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Opens) Open(req *fuse.OpenRequest, resp *fuse.OpenResponse, intr fs.Intr) (fs.Handle, fuse.Error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedOpen returns information about the Open request.
// If no request was seen, returns a zero value.
func (r *Opens) RecordedOpen() fuse.OpenRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.OpenRequest{}
return err
}
a.Size = uint64(fi.Size())
a.Mode = 0777
if config_params.uid != 0 {
a.Uid = uint32(config_params.uid)
}
if config_params.gid != 0 {
a.Gid = uint32(config_params.gid)
}
}
return nil
}
var _ = fs.NodeOpener(&File{})
func (f *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
glog.Infof("Entered Open with file name: %s.\n", f.name)
if f.name == ".description" {
return &FileHandle{r: nil, f: f}, nil
}
if f.name[0] == '.' {
return nil, fuse.EPERM
}
if runtime.GOOS == "darwin" {
resp.Flags |= fuse.OpenDirectIO
}
return nil, fuse.ENOENT
}
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
if err := e.fsys.Store.Move(e.path, newPath, true); err != nil {
log.Warningf("fuse: entry: mv: %v", err)
return err
}
return nil
}
//
// Compile time checks to see which interfaces we implement:
// Please update this list when modifying code here.
var _ = fs.Node(&Entry{})
var _ = fs.NodeFsyncer(&Entry{})
var _ = fs.NodeGetxattrer(&Entry{})
var _ = fs.NodeListxattrer(&Entry{})
var _ = fs.NodeOpener(&Entry{})
var _ = fs.NodeSetattrer(&Entry{})
// var _ = fs.NodeRenamer(&Entry{})
//var _ = fs.NodeReadlinker(&Entry{})
//var _ = fs.NodeRemover(&Entry{})
//var _ = fs.NodeRemovexattrer(&Entry{})
// var _ = fs.NodeRequestLookuper(&Entry{})
// var _ = fs.NodeAccesser(&Entry{})
// var _ = fs.NodeForgetter(&Entry{})
//var _ = fs.NodeGetattrer(&Entry{})
//var _ = fs.NodeLinker(&Entry{})
