func (constor *Constor) Open(input *fuse.OpenIn, out *fuse.OpenOut) (status fuse.Status) {
inode := constor.inodemap.findInodePtr(input.NodeId)
if inode == nil {
return fuse.ENOENT
}
path := constor.getPath(inode.layer, inode.id)
constor.log("%s %d", path, input.Flags)
fd, err := syscall.Open(path, int(input.Flags), 0)
if err != nil {
constor.error("open failed %s : %s", path, err)
return fuse.ToStatus(err)
}
F := new(FD)
F.fd = fd
F.flags = int(input.Flags)
F.layer = inode.layer
F.id = inode.id
F.pid = input.Pid
constor.putfd(F)
out.Fh = uint64(uintptr(unsafe.Pointer(F)))
if input.Flags&syscall.O_DIRECT != 0 {
out.OpenFlags = fuse.FOPEN_DIRECT_IO
} else {
out.OpenFlags = fuse.FOPEN_KEEP_CACHE
}
constor.log("%d", out.Fh)
return fuse.OK
}
func (constor *Constor) Open(input *fuse.OpenIn, out *fuse.OpenOut) (status fuse.Status) {
pathl, err := constor.getPath(input.NodeId)
if err != nil {
constor.error("%s", err)
return fuse.ToStatus(err)
}
inode, err := constor.inodemap.findInode(input.NodeId)
if err != nil {
constor.error("%s", err)
return fuse.ToStatus(err)
}
constor.log("%s %d %d %d", pathl, input.Flags, input.Uid, input.Gid)
fd, err := syscall.Open(pathl, int(input.Flags), 0)
if err != nil {
constor.error("%s", err)
return fuse.ToStatus(err)
}
F := new(FD)
F.fd = fd
F.flags = int(input.Flags)
F.layer = inode.layer
constor.putfd(F)
out.Fh = uint64(uintptr(unsafe.Pointer(F)))
out.OpenFlags = 0
constor.log("%d", out.Fh)
return fuse.OK
}
func (c *rawBridge) Open(input *fuse.OpenIn, out *fuse.OpenOut) (status fuse.Status) {
node := c.toInode(input.NodeId)
f, code := node.fsInode.Open(input.Flags, &input.Context)
if !code.Ok() || f == nil {
return code
}
h, opened := node.mount.registerFileHandle(node, nil, f, input.Flags)
out.OpenFlags = opened.FuseFlags
out.Fh = h
return fuse.OK
}
func (c *rawBridge) OpenDir(input *fuse.OpenIn, out *fuse.OpenOut) (code fuse.Status) {
node := c.toInode(input.NodeId)
stream, err := node.fsInode.OpenDir(&input.Context)
if err != fuse.OK {
return err
}
stream = append(stream, node.getMountDirEntries()...)
de := &connectorDir{
node: node.Node(),
stream: append(stream,
fuse.DirEntry{Mode: fuse.S_IFDIR, Name: "."},
fuse.DirEntry{Mode: fuse.S_IFDIR, Name: ".."}),
rawFS: c,
}
h, opened := node.mount.registerFileHandle(node, de, nil, input.Flags)
out.OpenFlags = opened.FuseFlags
out.Fh = h
return fuse.OK
}
func (constor *Constor) OpenDir(input *fuse.OpenIn, out *fuse.OpenOut) (code fuse.Status) {
constor.log("%d", input.NodeId)
path, err := constor.dentrymap.getPath(input.NodeId)
if err != nil {
return fuse.ToStatus(err)
}
entries := map[string]DirEntry{}
for li, layer := range constor.layers {
f, err := os.Open(Path.Join(layer, path))
if err != nil {
continue
}
infos, _ := f.Readdir(0)
for i := range infos {
// workaround forhttps://code.google.com/p/go/issues/detail?id=5960
if infos[i] == nil {
continue
}
name := infos[i].Name()
if _, ok := entries[name]; ok {
// skip if the file was in upper layer
continue
}
mode := infos[i].Mode()
stat := infos[i].Sys().(*syscall.Stat_t)
d := DirEntry{
Name: name,
Mode: uint32(mode),
Ino: stat.Ino,
}
if li == 0 {
err := constor.Lstat(Path.Join(path, name), stat)
if err == nil {
d.Ino = stat.Ino
}
}
d.Stat = *stat
pathl := Path.Join(constor.layers[li], path, name)
if constor.isdeleted(pathl) {
d.Deleted = true
}
entries[name] = d
}
f.Close()
}
output := make([]DirEntry, 0, 500)
for _, d := range entries {
if d.Deleted {
continue
}
output = append(output, d)
}
stat := syscall.Stat_t{}
err = constor.Lstat(path, &stat)
d := DirEntry{
Name: ".",
Mode: stat.Mode,
Ino: stat.Ino,
}
output = append(output, d)
err = constor.Lstat(Path.Join(path, ".."), &stat)
d = DirEntry{
Name: "..",
Mode: stat.Mode,
Ino: stat.Ino,
}
output = append(output, d)
for i, _ := range output {
output[i].Offset = uint64(i) + 1
}
F := new(FD)
F.stream = output
constor.putfd(F)
out.Fh = uint64(uintptr(unsafe.Pointer(F)))
out.OpenFlags = 0
return fuse.OK
}
func (constor *Constor) OpenDir(input *fuse.OpenIn, out *fuse.OpenOut) (code fuse.Status) {
inode := constor.inodemap.findInodePtr(input.NodeId)
if inode == nil {
constor.log("inode == nil for %d", input.NodeId)
return fuse.ENOENT
}
constor.log("%s", inode.id)
entries := map[string]DirEntry{}
for li, _ := range constor.layers {
path := constor.getPath(li, inode.id)
stat := syscall.Stat_t{}
err := syscall.Lstat(path, &stat)
if err != nil {
// continue aggregating upper layers
continue
}
if (stat.Mode & syscall.S_IFMT) != syscall.S_IFDIR {
constor.error("Not a dir: %s", path)
break
}
f, err := os.Open(path)
if err != nil {
constor.error("Open failed on %s", path)
break
}
infos, _ := f.Readdir(0) // reads all entries except "." and ".."
for i := range infos {
// workaround forhttps://code.google.com/p/go/issues/detail?id=5960
if infos[i] == nil {
continue
}
name := infos[i].Name()
if _, ok := entries[name]; ok {
// skip if the file was in upper layer
continue
}
d := DirEntry{
Name: name,
Mode: uint32(infos[i].Mode()),
}
if constor.isdeleted(Path.Join(path, name), infos[i].Sys().(*syscall.Stat_t)) {
d.Deleted = true
} else {
id, err := constor.getid(li, inode.id, name)
if err != nil {
constor.error("getid failed on %d %s %s", li, inode.id, name)
continue
}
d.Ino = idtoino(id)
}
entries[name] = d
}
f.Close()
}
output := make([]DirEntry, 0, 500)
for _, d := range entries {
if d.Deleted {
continue
}
output = append(output, d)
}
d := DirEntry{
Name: ".",
Mode: syscall.S_IFDIR,
Ino: idtoino(inode.id),
}
output = append(output, d)
// FIXME: take care of ".." entry
// err = constor.Lstat(Path.Join(path, ".."), &stat)
// d = DirEntry{
// Name: "..",
// Mode: syscall.S_IFDIR,
// }
// output = append(output, d)
for i, _ := range output {
output[i].Offset = uint64(i) + 1
}
fmt.Println(output)
F := new(FD)
if F == nil {
return fuse.ToStatus(syscall.ENOMEM)
}
F.stream = output
constor.putfd(F)
out.Fh = uint64(uintptr(unsafe.Pointer(F)))
out.OpenFlags = 0
return fuse.OK
}