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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.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.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)
dir.wfs.fsNodeCache.Move(oldPath, newPath)
// change file handle
dir.wfs.handlesLock.Lock()
defer dir.wfs.handlesLock.Unlock()
inodeId := oldPath.AsInode()
existingHandle, found := dir.wfs.handles[inodeId]
if !found || existingHandle == nil {
return err
}
delete(dir.wfs.handles, inodeId)
dir.wfs.handles[newPath.AsInode()] = existingHandle
return err
}
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