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package filesys
import ( "context"
"github.com/seaweedfs/fuse" "github.com/seaweedfs/fuse/fs"
"github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/util" )
func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirectory fs.Node) error {
newDir := newDirectory.(*Dir)
newPath := util.NewFullPath(newDir.FullPath(), req.NewName) oldPath := util.NewFullPath(dir.FullPath(), req.OldName)
glog.V(4).Infof("dir Rename %s => %s", oldPath, newPath)
// find local old entry
oldEntry, err := dir.wfs.metaCache.FindEntry(context.Background(), oldPath) if err != nil { glog.V(0).Infof("dir Rename can not find source %s : %v", oldPath, err) return fuse.ENOENT }
// update remote filer
err = dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AtomicRenameEntryRequest{ OldDirectory: dir.FullPath(), OldName: req.OldName, NewDirectory: newDir.FullPath(), NewName: req.NewName, }
_, err := client.AtomicRenameEntry(context.Background(), request) if err != nil { return fuse.EIO }
return nil
}) if err != nil { glog.V(0).Infof("dir Rename %s => %s : %v", oldPath, newPath, err) return fuse.EIO }
// TODO: replicate renaming logic on filer
if err := dir.wfs.metaCache.DeleteEntry(context.Background(), oldPath); err != nil { glog.V(0).Infof("dir Rename delete local %s => %s : %v", oldPath, newPath, err) return fuse.EIO } oldEntry.FullPath = newPath if err := dir.wfs.metaCache.InsertEntry(context.Background(), oldEntry); err != nil { glog.V(0).Infof("dir Rename insert local %s => %s : %v", oldPath, newPath, err) return fuse.EIO }
// fmt.Printf("rename path: %v => %v\n", oldPath, newPath)
delete(dir.wfs.handles, oldPath.AsInode())
return err }
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