func (d *connectorDir) ReadDir(input *fuse.ReadIn, out *fuse.DirEntryList) (code fuse.Status) {
if d.stream == nil {
return fuse.OK
}
// rewinddir() should be as if reopening directory.
// TODO - test this.
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 emtpy directory entry, mode %o.", e.Mode)
continue
}
ok, off := out.AddDirEntry(e)
d.lastOffset = off
if !ok {
break
}
}
return fuse.OK
}
func (d *connectorDir) ReadDirPlus(input *fuse.ReadIn, out *fuse.DirEntryList) (code fuse.Status) {
d.mu.Lock()
defer d.mu.Unlock()
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
}
// Clear entryDest before use it, some fields can be corrupted if does not set all fields in rawFS.Lookup
*entryDest = fuse.EntryOut{}
d.rawFS.Lookup(&input.InHeader, e.Name, entryDest)
d.lastOffset = off
}
return fuse.OK
}
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
}
if e.Name == "." || e.Name == ".." {
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)
// We ignore the return value
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
}
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
}
d.lookups = nil
}
if d.lookups == nil {
d.lookups = make([]fuse.EntryOut, len(d.stream))
for i, n := range d.stream {
if n.Name == "." || n.Name == ".." {
continue
}
// We ignore the return value
code := d.rawFS.Lookup(&input.InHeader, n.Name, &d.lookups[i])
if !code.Ok() {
d.lookups[i] = fuse.EntryOut{}
}
}
}
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 i, e := range todo {
if e.Name == "" {
log.Printf("got empty directory entry, mode %o.", e.Mode)
continue
}
ok, off := out.AddDirLookupEntry(e, &d.lookups[input.Offset+uint64(i)])
d.lastOffset = off
if !ok {
break
}
}
return fuse.OK
}