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.Errorf("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 { ctx, cancel := context.WithCancel(context.Background()) defer cancel() request := &filer_pb.AtomicRenameEntryRequest{ OldDirectory: dir.FullPath(), OldName: req.OldName, NewDirectory: newDir.FullPath(), NewName: req.NewName, } _, err := client.AtomicRenameEntry(ctx, request) if err != nil { glog.Errorf("dir AtomicRenameEntry %s => %s : %v", oldPath, newPath, err) return fuse.EXDEV } 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 } oldFsNode := NodeWithId(oldPath.AsInode()) newFsNode := NodeWithId(newPath.AsInode()) dir.wfs.Server.InvalidateInternalNode(oldFsNode, newFsNode, func(internalNode fs.Node) { if file, ok := internalNode.(*File); ok { glog.V(4).Infof("internal file node %s", file.Name) file.Name = req.NewName file.id = uint64(newFsNode) file.dir = newDir } if dir, ok := internalNode.(*Dir); ok { glog.V(4).Infof("internal dir node %s", dir.name) dir.name = req.NewName dir.id = uint64(newFsNode) dir.parent = newDir } }) // change file handle dir.wfs.handlesLock.Lock() defer dir.wfs.handlesLock.Unlock() inodeId := oldPath.AsInode() existingHandle, found := dir.wfs.handles[inodeId] glog.V(4).Infof("has open filehandle %s: %v", oldPath, found) if !found || existingHandle == nil { return nil } glog.V(4).Infof("opened filehandle %s => %s", oldPath, newPath) delete(dir.wfs.handles, inodeId) dir.wfs.handles[newPath.AsInode()] = existingHandle return nil }