Ejemplo n.º 1
0
// DeviceFs is a simple filesystem interface to an MTP device. It
// should be wrapped in a Locking(Raw)FileSystem to make sure it is
// threadsafe.  The file system assumes the device does not touch the
// storage.  Arguments are the opened mtp device and a directory for the
// backing store.
func NewDeviceFs(d *mtp.Device, storages []uint32, options DeviceFsOptions) (*DeviceFs, error) {
	root := rootNode{}
	fs := &DeviceFs{root: &root, dev: d, options: &options}
	root.fs = fs
	fs.storages = storages
	err := d.GetDeviceInfo(&fs.devInfo)
	if err != nil {
		return fs, nil
	}

	if !strings.Contains(fs.devInfo.MTPExtension, "android.com") {
		fs.options.Android = false
	}

	if !options.Android {
		err = fs.setupClassic()
		if err != nil {
			return nil, err
		}
	}

	fs.mungeVfat = make(map[uint32]bool)
	for _, sid := range fs.storages {
		var info mtp.StorageInfo
		if err != nil {
			return nil, err
		}

		fs.mungeVfat[sid] = info.IsRemovable() && fs.options.RemovableVFat
	}

	return fs, nil
}
Ejemplo n.º 2
0
// DeviceFs is a simple filesystem interface to an MTP device. It
// should be wrapped in a Locking(Raw)FileSystem to make sure it is
// threadsafe.  The file system assumes the device does not touch the
// storage.  Arguments are the opened mtp device and a directory for the
// backing store.
func NewDeviceFSRoot(d *mtp.Device, storages []uint32, options DeviceFsOptions) (nodefs.Node, error) {
	root := rootNode{Node: nodefs.NewDefaultNode()}
	fs := &deviceFS{
		root:    &root,
		dev:     d,
		options: &options,
	}
	root.fs = fs
	fs.storages = storages
	if err := d.GetDeviceInfo(&fs.devInfo); err != nil {
		return nil, err
	}

	if !strings.Contains(fs.devInfo.MTPExtension, "android.com") {
		fs.options.Android = false
	}

	if !options.Android {
		if err := fs.setupClassic(); err != nil {
			return nil, err
		}
	}

	fs.mungeVfat = make(map[uint32]bool)
	for _, sid := range fs.storages {
		var info mtp.StorageInfo
		if err := fs.dev.GetStorageInfo(sid, &info); err != nil {
			return nil, err
		}
		fs.mungeVfat[sid] = info.IsRemovable() && fs.options.RemovableVFat
	}

	return fs.Root(), nil
}