package mount import ( "context" "github.com/chrislusf/seaweedfs/weed/filer" "github.com/chrislusf/seaweedfs/weed/filesys/meta_cache" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/hanwen/go-fuse/v2/fuse" "math" ) // Directory handling func (wfs *WFS) OpenDir(cancel <-chan struct{}, input *fuse.OpenIn, out *fuse.OpenOut) (code fuse.Status) { return fuse.OK } func (wfs *WFS) ReleaseDir(input *fuse.ReleaseIn) { } func (wfs *WFS) FsyncDir(cancel <-chan struct{}, input *fuse.FsyncIn) (code fuse.Status) { return fuse.OK } func (wfs *WFS) ReadDir(cancel <-chan struct{}, input *fuse.ReadIn, out *fuse.DirEntryList) (code fuse.Status) { return wfs.doReadDirectory(input, out, false) } func (wfs *WFS) ReadDirPlus(cancel <-chan struct{}, input *fuse.ReadIn, out *fuse.DirEntryList) (code fuse.Status) { return wfs.doReadDirectory(input, out, true) } func (wfs *WFS) doReadDirectory(input *fuse.ReadIn, out *fuse.DirEntryList, isPlusMode bool) fuse.Status { dirPath := wfs.inodeToPath.GetPath(input.NodeId) var dirEntry fuse.DirEntry processEachEntryFn := func(entry *filer.Entry, isLast bool) bool { dirEntry.Name = entry.Name() inode := wfs.inodeToPath.GetInode(dirPath.Child(dirEntry.Name)) dirEntry.Ino = inode dirEntry.Mode = toSystemMode(entry.Mode) if !isPlusMode { if !out.AddDirEntry(dirEntry) { return false } } else { entryOut := out.AddDirLookupEntry(dirEntry) if entryOut == nil { return false } entryOut.Generation = 1 entryOut.EntryValid = 1 entryOut.AttrValid = 1 wfs.setAttrByFilerEntry(&entryOut.Attr, inode, entry) } return true } // TODO remove this with checking whether directory is not forgotten if err := meta_cache.EnsureVisited(wfs.metaCache, wfs, dirPath); err != nil { glog.Errorf("dir ReadDirAll %s: %v", dirPath, err) return fuse.EIO } listErr := wfs.metaCache.ListDirectoryEntries(context.Background(), dirPath, "", false, int64(math.MaxInt32), func(entry *filer.Entry) bool { return processEachEntryFn(entry, false) }) if listErr != nil { glog.Errorf("list meta cache: %v", listErr) return fuse.EIO } return fuse.OK }