112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
package vfs
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import (
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"context"
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"os"
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"time"
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"gitlink.org.cn/cloudream/jcs-pub/client/internal/mount/fuse"
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"gitlink.org.cn/cloudream/jcs-pub/client/internal/mount/vfs/cache"
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)
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type FusePackage struct {
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vfs *Vfs
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bktName string
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pkgName string
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modTime time.Time
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mode os.FileMode
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}
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func newPackageFromCache(cache cache.CacheEntryInfo, vfs *Vfs) fuse.FsDir {
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pathComps := cache.PathComps
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return &FusePackage{
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vfs: vfs,
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bktName: pathComps[0],
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pkgName: pathComps[1],
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modTime: cache.ModTime,
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mode: cache.Mode,
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}
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}
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func (r *FusePackage) PathComps() []string {
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return []string{r.bktName, r.pkgName}
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}
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func (r *FusePackage) Name() string {
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return r.pkgName
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}
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func (r *FusePackage) Size() int64 {
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return 0
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}
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func (r *FusePackage) Mode() os.FileMode {
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return os.ModeDir | r.mode
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}
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func (r *FusePackage) ModTime() time.Time {
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return r.modTime
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}
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func (r *FusePackage) IsDir() bool {
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return true
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}
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func (r *FusePackage) SetModTime(time time.Time) error {
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dir := r.loadCacheDir()
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if dir == nil {
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return fuse.ErrNotExists
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}
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return dir.SetModTime(time)
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}
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// 如果不存在，应该返回ErrNotExists
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func (r *FusePackage) Child(ctx context.Context, name string) (fuse.FsEntry, error) {
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return child(r.vfs, ctx, r, name)
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}
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func (r *FusePackage) Children(ctx context.Context) ([]fuse.FsEntry, error) {
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return listChildren(r.vfs, ctx, r)
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}
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func (r *FusePackage) ReadChildren() (fuse.DirReader, error) {
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ens, err := listChildren(r.vfs, context.Background(), r)
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if err != nil {
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return nil, err
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}
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return newFuseDirReader(ens), nil
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}
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func (r *FusePackage) NewDir(ctx context.Context, name string) (fuse.FsDir, error) {
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return newDir(r.vfs, ctx, name, r)
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}
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func (r *FusePackage) NewFile(ctx context.Context, name string, flags uint32) (fuse.FileHandle, uint32, error) {
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return newFile(r.vfs, ctx, name, r, flags)
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}
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func (r *FusePackage) RemoveChild(ctx context.Context, name string) error {
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return removeChild(r.vfs, ctx, name, r)
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}
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func (r *FusePackage) MoveChild(ctx context.Context, oldName string, newName string, newParent fuse.FsDir) error {
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return moveChild(r.vfs, ctx, oldName, r, newName, newParent.(FuseNode))
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}
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func (r *FusePackage) loadCacheDir() *cache.CacheDir {
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var createOpt *cache.CreateDirOption
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pkg, err := r.vfs.db.Package().GetByFullName(r.vfs.db.DefCtx(), r.bktName, r.pkgName)
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if err == nil {
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createOpt = &cache.CreateDirOption{
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ModTime: pkg.CreateTime,
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}
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}
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return r.vfs.cache.LoadDir([]string{r.bktName, r.pkgName}, createOpt)
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}
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var _ fuse.FsDir = (*FusePackage)(nil)
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var _ FuseNode = (*FusePackage)(nil)
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