diff options
Diffstat (limited to 'weed/mount/weedfs_file_mkrm.go')
| -rw-r--r-- | weed/mount/weedfs_file_mkrm.go | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/weed/mount/weedfs_file_mkrm.go b/weed/mount/weedfs_file_mkrm.go new file mode 100644 index 000000000..b5ade894e --- /dev/null +++ b/weed/mount/weedfs_file_mkrm.go @@ -0,0 +1,108 @@ +package mount + +import ( + "context" + "fmt" + "github.com/chrislusf/seaweedfs/weed/filer" + "github.com/chrislusf/seaweedfs/weed/glog" + "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" + "github.com/hanwen/go-fuse/v2/fuse" + "time" +) + +func (wfs *WFS) Mknod(cancel <-chan struct{}, in *fuse.MknodIn, name string, out *fuse.EntryOut) (code fuse.Status) { + + if s := checkName(name); s != fuse.OK { + return s + } + + newEntry := &filer_pb.Entry{ + Name: name, + IsDirectory: false, + Attributes: &filer_pb.FuseAttributes{ + Mtime: time.Now().Unix(), + Crtime: time.Now().Unix(), + FileMode: uint32(toFileMode(in.Mode) &^ wfs.option.Umask), + Uid: in.Uid, + Gid: in.Gid, + Collection: wfs.option.Collection, + Replication: wfs.option.Replication, + TtlSec: wfs.option.TtlSec, + }, + } + + dirFullPath := wfs.inodeToPath.GetPath(in.NodeId) + + 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}, + } + + glog.V(1).Infof("mknod: %v", request) + if err := filer_pb.CreateEntry(client, request); err != nil { + glog.V(0).Infof("mknod %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 mknod %s: %v", entryFullPath, err) + } + + return nil + }) + + glog.V(0).Infof("mknod %s: %v", entryFullPath, err) + + if err != nil { + return fuse.EIO + } + + inode := wfs.inodeToPath.GetInode(entryFullPath) + + wfs.outputPbEntry(out, inode, newEntry) + + return fuse.OK + +} + +func (wfs *WFS) Unlink(cancel <-chan struct{}, header *fuse.InHeader, name string) (code fuse.Status) { + + dirFullPath := wfs.inodeToPath.GetPath(header.NodeId) + entryFullPath := dirFullPath.Child(name) + + entry, status := wfs.maybeLoadEntry(entryFullPath) + if status != fuse.OK { + return status + } + + // first, ensure the filer store can correctly delete + glog.V(3).Infof("remove file: %v", entryFullPath) + isDeleteData := entry != nil && entry.HardLinkCounter <= 1 + err := filer_pb.Remove(wfs, string(dirFullPath), name, isDeleteData, false, false, false, []int32{wfs.signature}) + if err != nil { + glog.V(0).Infof("remove %s: %v", entryFullPath, err) + return fuse.ENOENT + } + + // then, delete meta cache + if err = wfs.metaCache.DeleteEntry(context.Background(), entryFullPath); err != nil { + glog.V(3).Infof("local DeleteEntry %s: %v", entryFullPath, err) + return fuse.EIO + } + + wfs.metaCache.DeleteEntry(context.Background(), entryFullPath) + wfs.inodeToPath.RemovePath(entryFullPath) + + // TODO handle open files, hardlink + + return fuse.OK + +} |
