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121 lines
3.0 KiB
121 lines
3.0 KiB
package mount
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import (
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"context"
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"fmt"
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"github.com/hanwen/go-fuse/v2/fuse"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"os"
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"strings"
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"syscall"
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"time"
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)
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/** Create a directory
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*
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* Note that the mode argument may not have the type specification
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* bits set, i.e. S_ISDIR(mode) can be false. To obtain the
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* correct directory type bits use mode|S_IFDIR
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* */
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func (wfs *WFS) Mkdir(cancel <-chan struct{}, in *fuse.MkdirIn, name string, out *fuse.EntryOut) (code fuse.Status) {
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if wfs.IsOverQuota {
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return fuse.Status(syscall.ENOSPC)
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}
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if s := checkName(name); s != fuse.OK {
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return s
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}
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newEntry := &filer_pb.Entry{
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Name: name,
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IsDirectory: true,
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Attributes: &filer_pb.FuseAttributes{
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Mtime: time.Now().Unix(),
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Crtime: time.Now().Unix(),
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FileMode: uint32(os.ModeDir) | in.Mode&^uint32(wfs.option.Umask),
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Uid: in.Uid,
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Gid: in.Gid,
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},
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}
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dirFullPath, code := wfs.inodeToPath.GetPath(in.NodeId)
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if code != fuse.OK {
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return
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}
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entryFullPath := dirFullPath.Child(name)
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err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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wfs.mapPbIdFromLocalToFiler(newEntry)
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defer wfs.mapPbIdFromFilerToLocal(newEntry)
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request := &filer_pb.CreateEntryRequest{
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Directory: string(dirFullPath),
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Entry: newEntry,
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Signatures: []int32{wfs.signature},
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}
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glog.V(1).Infof("mkdir: %v", request)
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if err := filer_pb.CreateEntry(client, request); err != nil {
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glog.V(0).Infof("mkdir %s: %v", entryFullPath, err)
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return err
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}
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if err := wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, request.Entry)); err != nil {
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return fmt.Errorf("local mkdir dir %s: %v", entryFullPath, err)
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}
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return nil
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})
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glog.V(3).Infof("mkdir %s: %v", entryFullPath, err)
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if err != nil {
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return fuse.EIO
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}
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inode := wfs.inodeToPath.Lookup(entryFullPath, newEntry.Attributes.Crtime, true, false, 0, true)
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wfs.outputPbEntry(out, inode, newEntry)
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return fuse.OK
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}
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/** Remove a directory */
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func (wfs *WFS) Rmdir(cancel <-chan struct{}, header *fuse.InHeader, name string) (code fuse.Status) {
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if name == "." {
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return fuse.Status(syscall.EINVAL)
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}
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if name == ".." {
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return fuse.Status(syscall.ENOTEMPTY)
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}
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dirFullPath, code := wfs.inodeToPath.GetPath(header.NodeId)
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if code != fuse.OK {
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return
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}
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entryFullPath := dirFullPath.Child(name)
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glog.V(3).Infof("remove directory: %v", entryFullPath)
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ignoreRecursiveErr := true // ignore recursion error since the OS should manage it
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err := filer_pb.Remove(wfs, string(dirFullPath), name, true, false, ignoreRecursiveErr, false, []int32{wfs.signature})
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if err != nil {
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glog.V(0).Infof("remove %s: %v", entryFullPath, err)
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if strings.Contains(err.Error(), filer.MsgFailDelNonEmptyFolder) {
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return fuse.Status(syscall.ENOTEMPTY)
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}
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return fuse.ENOENT
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}
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wfs.metaCache.DeleteEntry(context.Background(), entryFullPath)
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wfs.inodeToPath.RemovePath(entryFullPath)
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return fuse.OK
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}
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