mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-05-02 09:31:38 +02:00
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package filesys
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import (
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"context"
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"github.com/seaweedfs/fuse"
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"github.com/seaweedfs/fuse/fs"
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"github.com/chrislusf/seaweedfs/weed/util/log"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirectory fs.Node) error {
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newDir := newDirectory.(*Dir)
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newPath := util.NewFullPath(newDir.FullPath(), req.NewName)
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oldPath := util.NewFullPath(dir.FullPath(), req.OldName)
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log.Tracef("dir Rename %s => %s", oldPath, newPath)
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// find local old entry
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oldEntry, err := dir.wfs.metaCache.FindEntry(context.Background(), oldPath)
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if err != nil {
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log.Errorf("dir Rename can not find source %s : %v", oldPath, err)
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return fuse.ENOENT
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}
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// update remote filer
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err = dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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request := &filer_pb.AtomicRenameEntryRequest{
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OldDirectory: dir.FullPath(),
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OldName: req.OldName,
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NewDirectory: newDir.FullPath(),
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NewName: req.NewName,
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}
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_, err := client.AtomicRenameEntry(ctx, request)
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if err != nil {
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log.Errorf("dir AtomicRenameEntry %s => %s : %v", oldPath, newPath, err)
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return fuse.EIO
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}
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return nil
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})
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if err != nil {
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log.Infof("dir Rename %s => %s : %v", oldPath, newPath, err)
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return fuse.EIO
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}
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// TODO: replicate renaming logic on filer
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if err := dir.wfs.metaCache.DeleteEntry(context.Background(), oldPath); err != nil {
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log.Infof("dir Rename delete local %s => %s : %v", oldPath, newPath, err)
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return fuse.EIO
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}
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oldEntry.FullPath = newPath
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if err := dir.wfs.metaCache.InsertEntry(context.Background(), oldEntry); err != nil {
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log.Infof("dir Rename insert local %s => %s : %v", oldPath, newPath, err)
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return fuse.EIO
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}
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// fmt.Printf("rename path: %v => %v\n", oldPath, newPath)
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dir.wfs.fsNodeCache.Move(oldPath, newPath)
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// change file handle
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dir.wfs.handlesLock.Lock()
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defer dir.wfs.handlesLock.Unlock()
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inodeId := oldPath.AsInode()
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existingHandle, found := dir.wfs.handles[inodeId]
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if !found || existingHandle == nil {
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return err
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}
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delete(dir.wfs.handles, inodeId)
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dir.wfs.handles[newPath.AsInode()] = existingHandle
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return err
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}
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