mirror of
https://github.com/seaweedfs/seaweedfs.git
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112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
// +build linux darwin
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package command
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import (
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"fmt"
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"os"
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"runtime"
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"bazil.org/fuse"
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"bazil.org/fuse/fs"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/storage"
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"github.com/chrislusf/seaweedfs/weed/util"
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"golang.org/x/net/context"
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)
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func runMount(cmd *Command, args []string) bool {
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fmt.Printf("This is SeaweedFS version %s %s %s\n", util.VERSION, runtime.GOOS, runtime.GOARCH)
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if *mountOptions.dir == "" {
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fmt.Printf("Please specify the mount directory via \"-dir\"")
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return false
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}
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c, err := fuse.Mount(*mountOptions.dir)
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if err != nil {
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glog.Fatal(err)
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return false
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}
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OnInterrupt(func() {
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fuse.Unmount(*mountOptions.dir)
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c.Close()
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})
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err = fs.Serve(c, WFS{})
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if err != nil {
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fuse.Unmount(*mountOptions.dir)
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}
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// check if the mount process has an error to report
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<-c.Ready
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if err := c.MountError; err != nil {
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glog.Fatal(err)
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}
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return true
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}
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type WFS struct{}
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func (WFS) Root() (fs.Node, error) {
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return Dir{}, nil
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}
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type Dir struct {
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Path string
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Id uint64
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}
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func (dir Dir) Attr(context context.Context, attr *fuse.Attr) error {
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attr.Inode = 1
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attr.Mode = os.ModeDir | 0555
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return nil
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}
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func (dir Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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files_result, e := filer.ListFiles(*mountOptions.filer, dir.Path, name)
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if e != nil {
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return nil, fuse.ENOENT
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}
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if len(files_result.Files) > 0 {
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return File{files_result.Files[0].Id, files_result.Files[0].Name}, nil
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}
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return nil, fmt.Errorf("File Not Found for %s", name)
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}
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func (dir Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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var ret []fuse.Dirent
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if dirs, e := filer.ListDirectories(*mountOptions.filer, dir.Path); e == nil {
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for _, d := range dirs.Directories {
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dirId := uint64(d.Id)
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ret = append(ret, fuse.Dirent{Inode: dirId, Name: d.Name, Type: fuse.DT_Dir})
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}
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}
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if files, e := filer.ListFiles(*mountOptions.filer, dir.Path, ""); e == nil {
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for _, f := range files.Files {
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if fileId, e := storage.ParseFileId(string(f.Id)); e == nil {
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fileInode := uint64(fileId.VolumeId)<<48 + fileId.Key
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ret = append(ret, fuse.Dirent{Inode: fileInode, Name: f.Name, Type: fuse.DT_File})
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}
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}
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}
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return ret, nil
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}
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type File struct {
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FileId filer.FileId
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Name string
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}
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func (File) Attr(context context.Context, attr *fuse.Attr) error {
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attr.Inode = 2
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attr.Mode = 0444
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return nil
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}
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func (File) ReadAll(ctx context.Context) ([]byte, error) {
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return []byte("hello, world\n"), nil
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}
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