alex/vfs
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This commit is contained in:
Alex Yatskov 2015-05-13 20:11:32 +09:00
parent cf091a997f
commit 0b374838b2
1 changed files with 24 additions and 13 deletions
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37
version.go
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@ -40,15 +40,20 @@ type versionMetadata struct {
Deleted []string Deleted []string
} }
type versionedNode struct {
path string
info os.FileInfo
}
type versionedFile struct { type versionedFile struct {
info os.FileInfo node versionedNode
inode uint64 inode uint64
} }
func (this versionedFile) Attr(attr *fuse.Attr) { func (this versionedFile) Attr(attr *fuse.Attr) {
attr.Mode = this.info.Mode() attr.Mode = this.node.info.Mode()
attr.Inode = this.inode attr.Inode = this.inode
attr.Size = uint64(this.info.Size()) attr.Size = uint64(this.node.info.Size())
} }
func (versionedFile) ReadAll(ctx context.Context) ([]byte, error) { func (versionedFile) ReadAll(ctx context.Context) ([]byte, error) {
@ -58,12 +63,12 @@ func (versionedFile) ReadAll(ctx context.Context) ([]byte, error) {
type versionedDir struct { type versionedDir struct {
dirs map[string]versionedDir dirs map[string]versionedDir
files map[string]versionedFile files map[string]versionedFile
info os.FileInfo node versionedNode
inode uint64 inode uint64
} }
func (this versionedDir) Attr(attr *fuse.Attr) { func (this versionedDir) Attr(attr *fuse.Attr) {
attr.Mode = this.info.Mode() attr.Mode = this.node.info.Mode()
attr.Inode = this.inode attr.Inode = this.inode
} }
@ -136,8 +141,8 @@ func newVersion(base string, parent *version) (*version, error) {
return ver, nil return ver, nil
} }
func (this *version) scanDir(path string) (map[string]os.FileInfo, error) { func (this *version) scanDir(path string) (map[string]versionedNode, error) {
ownNodes := make(map[string]os.FileInfo) ownNodes := make(map[string]versionedNode)
{ {
fullPath := filepath.Join(this.rootPath(), path) fullPath := filepath.Join(this.rootPath(), path)
nodes, err := ioutil.ReadDir(fullPath) nodes, err := ioutil.ReadDir(fullPath)
@ -146,7 +151,10 @@ func (this *version) scanDir(path string) (map[string]os.FileInfo, error) {
} }
for _, node := range nodes { for _, node := range nodes {
ownNodes[node.Name()] = node name := node.Name()
ownNodes[name] = versionedNode{
info: node,
path: filepath.Join(fullPath, name)}
} }
} }
@ -172,16 +180,16 @@ func (this *version) buildDir(path string, dir *versionedDir) error {
return err return err
} }
for name, info := range nodes { for name, node := range nodes {
if info.IsDir() { if node.info.IsDir() {
subDir := versionedDir{info: info, inode: this.allocInode()} subDir := versionedDir{node: node, inode: this.allocInode()}
subDirPath := filepath.Join(path, name) subDirPath := filepath.Join(path, name)
if err := this.buildDir(subDirPath, &subDir); err != nil { if err := this.buildDir(subDirPath, &subDir); err != nil {
return err return err
} }
dir.dirs[name] = subDir dir.dirs[name] = subDir
} else { } else {
dir.files[name] = versionedFile{info: info, inode: this.allocInode()} dir.files[name] = versionedFile{node: node, inode: this.allocInode()}
} }
} }
@ -194,7 +202,10 @@ func (this *version) scanFs() error {
return err return err
} }
this.root = versionedDir{info: rootNode, inode: this.allocInode()} this.root = versionedDir{
node: versionedNode{path: this.rootPath(), info: rootNode},
inode: this.allocInode()}
return this.buildDir(this.rootPath(), &this.root) return this.buildDir(this.rootPath(), &this.root)
} }