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