示例#1
0
文件: dir.go 项目: y-okubo/go-fuse
func (d *connectorDir) ReadDirPlus(input *fuse.ReadIn, out *fuse.DirEntryList) (code fuse.Status) {
	if d.stream == nil {
		return fuse.OK
	}

	// rewinddir() should be as if reopening directory.
	if d.lastOffset > 0 && input.Offset == 0 {
		d.stream, code = d.node.OpenDir((*fuse.Context)(&input.Context))
		if !code.Ok() {
			return code
		}
	}

	if input.Offset > uint64(len(d.stream)) {
		// This shouldn't happen, but let's not crash.
		return fuse.EINVAL
	}
	todo := d.stream[input.Offset:]
	for _, e := range todo {
		if e.Name == "" {
			log.Printf("got empty directory entry, mode %o.", e.Mode)
			continue
		}

		// we have to be sure entry will fit if we try to add
		// it, or we'll mess up the lookup counts.
		entryDest, off := out.AddDirLookupEntry(e)
		if entryDest == nil {
			break
		}
		entryDest.Ino = uint64(fuse.FUSE_UNKNOWN_INO)

		// No need to fill attributes for . and ..
		if e.Name == "." || e.Name == ".." {
			continue
		}

		code := d.rawFS.Lookup(&input.InHeader, e.Name, entryDest)
		if !code.Ok() {
			// if something went wrong, clear out the entry.
			*entryDest = fuse.EntryOut{}
		}
		d.lastOffset = off
	}
	return fuse.OK

}