func NewCFile(client *client.Client, name string) nodefs.File {
f := new(CFile)
f.client = client
f.File = nodefs.NewDefaultFile()
f.name = name
return f
}
func (rfs *ReverseFS) newVirtualFile(content []byte, parentFile string) (nodefs.File, fuse.Status) {
return &virtualFile{
File: nodefs.NewDefaultFile(),
content: content,
parentFile: parentFile,
ino: rfs.inoGen.next(),
}, fuse.OK
}
func (n *blobNode) LoadMemory() (nodefs.File, error) {
blob, err := n.fs.repo.LookupBlob(n.id)
if err != nil {
return nil, err
}
return &memoryFile{
File: nodefs.NewDefaultFile(),
blob: blob,
}, nil
}
func (n *folderNode) Create(name string, flags uint32, mode uint32, context *fuse.Context) (nodefs.File, *nodefs.Inode, fuse.Status) {
if !n.fetch() {
return nil, nil, fuse.EIO
}
obj := mtp.ObjectInfo{
StorageID: n.StorageID(),
Filename: name,
ObjectFormat: mtp.OFC_Undefined,
ModificationDate: time.Now(),
ParentObject: n.Handle(),
CompressedSize: 0,
}
var file nodefs.File
var fsNode nodefs.Node
if n.fs.options.Android {
_, _, handle, err := n.fs.dev.SendObjectInfo(n.StorageID(), n.Handle(), &obj)
if err != nil {
log.Println("SendObjectInfo failed", err)
return nil, nil, fuse.EIO
}
err = n.fs.dev.SendObject(&bytes.Buffer{}, 0)
if err != nil {
log.Println("SendObject failed:", err)
return nil, nil, fuse.EIO
}
aNode := &androidNode{
mtpNodeImpl: mtpNodeImpl{
Node: nodefs.NewDefaultNode(),
obj: &obj,
fs: n.fs,
handle: handle,
},
}
if !aNode.startEdit() {
return nil, nil, fuse.EIO
}
file = &androidFile{
File: nodefs.NewDefaultFile(),
node: aNode,
}
fsNode = aNode
} else {
var err error
file, fsNode, err = n.fs.createClassicFile(obj)
if err != nil {
return nil, nil, fuse.ToStatus(err)
}
}
return file, n.Inode().NewChild(name, false, fsNode), fuse.OK
}
func (m *MNode) Open(flags uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {
m.obj.Lock()
defer m.obj.Unlock()
j,ok := m.obj.Obj.(*joinf.JoinFile)
if !ok { return nil,fuse.EINVAL }
if (flags&uint32(os.O_TRUNC))!=0 {
e := j.Truncate(0)
if e!=nil { return nil,fuse.ToStatus(e) }
}
return &MFile{nodefs.NewDefaultFile(),m.obj,j},fuse.OK
}
// NewAdbFile returns a File that reads and writes to name on the device.
// perms should be set from the existing file if it exists, or to the desired new permissions if new.
func NewAdbFile(opts AdbFileOpenOptions) nodefs.File {
logEntry := StartFileOperation("New", opts.FileBuffer.Path, fmt.Sprint(opts))
defer logEntry.FinishOperation()
adbFile := &AdbFile{
// Log all the operations we don't implement.
File: newLoggingFile(nodefs.NewDefaultFile(), opts.FileBuffer.Path),
AdbFileOpenOptions: opts,
}
return nodefs.NewReadOnlyFile(adbFile)
}
func NewObjectFile(name string, obj mapper.Object) *ObjectFile {
f := &ObjectFile{
name: name,
object: obj,
lock: sync.Mutex{},
needUpload: false,
File: nodefs.NewDefaultFile(),
}
return f
}
func (fs *nomsFS) Open(path string, flags uint32, context *fuse.Context) (nodefs.File, fuse.Status) {
fs.mdLock.Lock()
defer fs.mdLock.Unlock()
np, code := fs.getPath(path)
if code != fuse.OK {
return nil, code
}
nfile := nomsFile{
File: nodefs.NewDefaultFile(),
fs: fs,
node: np,
}
return nfile, fuse.OK
}
func (fs *nomsFS) Create(path string, flags uint32, mode uint32, context *fuse.Context) (nodefs.File, fuse.Status) {
fs.mdLock.Lock()
defer fs.mdLock.Unlock()
np, code := fs.createCommon(path, mode, func() types.Value {
blob := types.NewEmptyBlob()
return types.NewStructWithType(fileType, types.ValueSlice{fs.ds.Database().WriteValue(blob)})
})
if code != fuse.OK {
return nil, code
}
nfile := nomsFile{
File: nodefs.NewDefaultFile(),
fs: fs,
node: np,
}
return nfile, fuse.OK
}
func (fs *deviceFS) createClassicFile(obj mtp.ObjectInfo) (file nodefs.File, node nodefs.Node, err error) {
backingFile, err := ioutil.TempFile(fs.options.Dir, "")
cl := &classicNode{
mtpNodeImpl: mtpNodeImpl{
Node: nodefs.NewDefaultNode(),
obj: &obj,
fs: fs,
},
dirty: true,
backing: backingFile.Name(),
}
file = &pendingFile{
loopback: nodefs.NewLoopbackFile(backingFile),
node: cl,
File: nodefs.NewDefaultFile(),
}
node = cl
return
}
func (fs *objectFileSystem) Create(name string, flags uint32, mode uint32, context *fuse.Context) (nodefs.File, fuse.Status) {
log.Debugf("Create: %s, flags: %d", name, flags)
fs.lock.Lock()
defer fs.lock.Unlock()
// Add to mapper
obj, err := fs.mapper.Create(name)
if err != nil {
log.Warnf("Can't append to mapper %v", err)
return nodefs.NewDefaultFile(), fuse.EIO
}
file := NewObjectFile(name, obj)
if err := file.OpenLocalFile(flags, mode); err != nil {
log.Warnf("Create: OpenLocalFile() error %v", err)
return file, fuse.EIO
}
return file, fuse.OK
}
func (rfs *ReverseFS) newFile(relPath string, flags uint32) (nodefs.File, fuse.Status) {
absPath, err := rfs.abs(rfs.decryptPath(relPath))
if err != nil {
return nil, fuse.ToStatus(err)
}
fd, err := os.OpenFile(absPath, int(flags), 0666)
if err != nil {
return nil, fuse.ToStatus(err)
}
id := derivePathIV(relPath, ivPurposeFileID)
header := contentenc.FileHeader{
Version: contentenc.CurrentVersion,
ID: id,
}
return &reverseFile{
File: nodefs.NewDefaultFile(),
fd: fd,
header: header,
block0IV: derivePathIV(relPath, ivPurposeBlock0IV),
contentEnc: rfs.contentEnc,
}, fuse.OK
}
func (n *androidNode) Open(flags uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {
return &androidFile{
node: n,
File: nodefs.NewDefaultFile(),
}, fuse.OK
}
func NewOssFile(bucket string, fileName string, ossClient *oss.Client, lock *sync.Mutex, size int64, bufFile *BufFile) (ossFile *OssFile) {
ossFile = &OssFile{bucket: bucket, fileName: fileName, ossClient: ossClient, lock: lock, size: size, bufFile: bufFile}
ossFile.File = nodefs.NewDefaultFile()
return ossFile
}
func (n *classicNode) Open(flags uint32, context *fuse.Context) (file nodefs.File, code fuse.Status) {
return &pendingFile{
File: nodefs.NewDefaultFile(),
node: n,
}, fuse.OK
}
func newFile(s store.Store, kv *store.KVPair) nodefs.File {
return &file{s, kv, nodefs.NewDefaultFile()}
}
func NewFile() *MutableDataFile {
return &MutableDataFile{File: nodefs.NewDefaultFile()}
}
func (fs *DefaultReadFS) Open(name string, f uint32, context *fuse.Context) (nodefs.File, fuse.Status) {
return nodefs.NewDefaultFile(), fuse.OK
}
func (f *FileObj) Init() {
f.File = nodefs.NewDefaultFile()
}
