mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
99 lines
2.8 KiB
Go
99 lines
2.8 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/glog"
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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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glog.V(4).Infof("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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glog.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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glog.Errorf("dir AtomicRenameEntry %s => %s : %v", oldPath, newPath, err)
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return fuse.EXDEV
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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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glog.V(0).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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glog.V(0).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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glog.V(0).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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oldFsNode := NodeWithId(oldPath.AsInode())
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newFsNode := NodeWithId(newPath.AsInode())
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dir.wfs.Server.InvalidateInternalNode(oldFsNode, newFsNode, func(internalNode fs.Node) {
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if file, ok := internalNode.(*File); ok {
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glog.V(4).Infof("internal file node %s", file.Name)
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file.Name = req.NewName
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file.id = uint64(newFsNode)
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file.dir = newDir
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}
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if dir, ok := internalNode.(*Dir); ok {
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glog.V(4).Infof("internal dir node %s", dir.name)
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dir.name = req.NewName
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dir.id = uint64(newFsNode)
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dir.parent = newDir
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}
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})
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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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glog.V(4).Infof("has open filehandle %s: %v", oldPath, found)
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if !found || existingHandle == nil {
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return nil
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}
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glog.V(4).Infof("opened filehandle %s => %s", oldPath, newPath)
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delete(dir.wfs.handles, inodeId)
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dir.wfs.handles[newPath.AsInode()] = existingHandle
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return nil
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}
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