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complement weed mount

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This commit is contained in:
sparklxb
2017-03-10 10:28:07 +08:00
parent 813a4f7456
commit 7f85e15990
3 changed files with 81 additions and 24 deletions
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64
weed/command/mount_std.go
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@@ -7,6 +7,8 @@ import (
"os"
"runtime"
"path"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"github.com/chrislusf/seaweedfs/weed/filer"
@@ -23,7 +25,7 @@ func runMount(cmd *Command, args []string) bool {
return false
}
c, err := fuse.Mount(*mountOptions.dir)
c, err := fuse.Mount(*mountOptions.dir, fuse.LocalVolume())
if err != nil {
glog.Fatal(err)
return false
@@ -51,61 +53,75 @@ func runMount(cmd *Command, args []string) bool {
type WFS struct{}
func (WFS) Root() (fs.Node, error) {
return Dir{}, nil
return &Dir{Path: "/"}, nil
}
type Dir struct {
Path string
Id uint64
Id uint64
Path string
DirentMap map[string]*fuse.Dirent
}
func (dir Dir) Attr(context context.Context, attr *fuse.Attr) error {
attr.Inode = 1
func (dir *Dir) Attr(context context.Context, attr *fuse.Attr) error {
attr.Inode = dir.Id
attr.Mode = os.ModeDir | 0555
return nil
}
func (dir Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
files_result, e := filer.ListFiles(*mountOptions.filer, dir.Path, name)
if e != nil {
return nil, fuse.ENOENT
func (dir *Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if dirent, ok := dir.DirentMap[name]; ok {
if dirent.Type == fuse.DT_File {
return &File{dirent.Inode, dirent.Name}, nil
}
return &Dir{
Id: dirent.Inode,
Path: path.Join(dir.Path, dirent.Name),
}, nil
}
if len(files_result.Files) > 0 {
return File{files_result.Files[0].Id, files_result.Files[0].Name}, nil
}
return nil, fmt.Errorf("File Not Found for %s", name)
return nil, fuse.ENOENT
}
func (dir Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
func (dir *Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
var ret []fuse.Dirent
if dir.DirentMap == nil {
dir.DirentMap = make(map[string]*fuse.Dirent)
}
if dirs, e := filer.ListDirectories(*mountOptions.filer, dir.Path); e == nil {
for _, d := range dirs.Directories {
dirId := uint64(d.Id)
ret = append(ret, fuse.Dirent{Inode: dirId, Name: d.Name, Type: fuse.DT_Dir})
dirent := fuse.Dirent{Inode: dirId, Name: d.Name, Type: fuse.DT_Dir}
ret = append(ret, dirent)
dir.DirentMap[d.Name] = &dirent
}
}
if files, e := filer.ListFiles(*mountOptions.filer, dir.Path, ""); e == nil {
for _, f := range files.Files {
if fileId, e := storage.ParseFileId(string(f.Id)); e == nil {
fileInode := uint64(fileId.VolumeId)<<48 + fileId.Key
ret = append(ret, fuse.Dirent{Inode: fileInode, Name: f.Name, Type: fuse.DT_File})
dirent := fuse.Dirent{Inode: fileInode, Name: f.Name, Type: fuse.DT_File}
ret = append(ret, dirent)
dir.DirentMap[f.Name] = &dirent
}
}
}
return ret, nil
}
const greeting = "hello, world\n"
type File struct {
FileId filer.FileId
Name string
Id uint64
// FileId filer.FileId
Name string
}
func (File) Attr(context context.Context, attr *fuse.Attr) error {
attr.Inode = 2
func (file *File) Attr(context context.Context, attr *fuse.Attr) error {
attr.Inode = file.Id
attr.Mode = 0444
attr.Size = uint64(len(greeting))
return nil
}
func (File) ReadAll(ctx context.Context) ([]byte, error) {
return []byte("hello, world\n"), nil
func (file *File) ReadAll(ctx context.Context) ([]byte, error) {
return []byte(greeting), nil
}