alex/vfs
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This commit is contained in:
Alex Yatskov 2015-06-18 15:17:07 +09:00
parent 0e97d3f8f1
commit b6afe85166
2 changed files with 21 additions and 12 deletions
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1
database.go
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@ -130,6 +130,7 @@ func (db *database) lastVersion() *version {
return db.vers[count-1] return db.vers[count-1]
} }
// FS
func (db *database) Root() (fs.Node, error) { func (db *database) Root() (fs.Node, error) {
return db.lastVersion().root, nil return db.lastVersion().root, nil
} }

32
dir.go
View File

@ -106,6 +106,7 @@ func (vd *versionedDir) createFile(name string, flags int) (*versionedFile, erro
return file, nil return file, nil
} }
// Node
func (vd *versionedDir) Attr(ctx context.Context, attr *fuse.Attr) error { func (vd *versionedDir) Attr(ctx context.Context, attr *fuse.Attr) error {
if err := vd.node.attr(attr); err != nil { if err := vd.node.attr(attr); err != nil {
return err return err
@ -115,15 +116,18 @@ func (vd *versionedDir) Attr(ctx context.Context, attr *fuse.Attr) error {
return nil return nil
} }
// NodeGetattrer
func (vd *versionedDir) Getattr(ctx context.Context, req *fuse.GetattrRequest, resp *fuse.GetattrResponse) error { func (vd *versionedDir) Getattr(ctx context.Context, req *fuse.GetattrRequest, resp *fuse.GetattrResponse) error {
return vd.Attr(ctx, &resp.Attr) return vd.Attr(ctx, &resp.Attr)
} }
// NodeSetattrer
func (vd *versionedDir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error { func (vd *versionedDir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
vd.version() vd.version()
return vd.node.setAttr(req, resp) return vd.node.setAttr(req, resp)
} }
// NodeCreater
func (vd *versionedDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (node fs.Node, handle fs.Handle, err error) { func (vd *versionedDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (node fs.Node, handle fs.Handle, err error) {
if req.Mode.IsDir() { if req.Mode.IsDir() {
var dir *versionedDir var dir *versionedDir
@ -144,10 +148,12 @@ func (vd *versionedDir) Create(ctx context.Context, req *fuse.CreateRequest, res
return return
} }
// NodeMkdirer
func (vd *versionedDir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) { func (vd *versionedDir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) {
return vd.createDir(req.Name) return vd.createDir(req.Name)
} }
// NodeRemover
func (vd *versionedDir) Remove(ctx context.Context, req *fuse.RemoveRequest) error { func (vd *versionedDir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
if req.Dir { if req.Dir {
node := vd.dirs[req.Name].node node := vd.dirs[req.Name].node
@ -182,6 +188,20 @@ func (vd *versionedDir) Remove(ctx context.Context, req *fuse.RemoveRequest) err
return nil return nil
} }
// NodeRequestLookuper
func (vd *versionedDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if dir, ok := vd.dirs[name]; ok {
return dir, nil
}
if file, ok := vd.files[name]; ok {
return file, nil
}
return nil, fuse.ENOENT
}
// HandleReadDirAller
func (vd *versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) { func (vd *versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
entries := []fuse.Dirent{{Inode: vd.inode, Name: ".", Type: fuse.DT_Dir}} entries := []fuse.Dirent{{Inode: vd.inode, Name: ".", Type: fuse.DT_Dir}}
if vd.parent != nil { if vd.parent != nil {
@ -201,15 +221,3 @@ func (vd *versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
return entries, nil return entries, nil
} }
func (vd *versionedDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if dir, ok := vd.dirs[name]; ok {
return dir, nil
}
if file, ok := vd.files[name]; ok {
return file, nil
}
return nil, fuse.ENOENT
}