83 lines
1.4 KiB
Go
83 lines
1.4 KiB
Go
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package node
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import (
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"archive/zip"
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"context"
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"io"
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"log"
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"syscall"
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"github.com/ajnavarro/distribyted/iio"
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"github.com/hanwen/go-fuse/v2/fs"
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"github.com/hanwen/go-fuse/v2/fuse"
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)
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var _ fs.NodeGetattrer = &Zip{}
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var _ fs.NodeOpendirer = &Zip{}
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type Zip struct {
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fs.Inode
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reader ReaderFunc
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size int64
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files []*zip.File
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}
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func NewZip(reader ReaderFunc, size int64) *Zip {
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return &Zip{
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reader: reader,
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size: size,
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}
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}
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func (z *Zip) Opendir(ctx context.Context) syscall.Errno {
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if z.files == nil {
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r, err := z.reader()
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if err != nil {
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log.Println("error opening reader for zip", err)
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return syscall.EIO
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}
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zr, err := zip.NewReader(r, z.size)
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if err != nil {
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log.Println("error getting zip reader from reader", err)
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return syscall.EIO
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}
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for _, f := range zr.File {
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f := f
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if f.FileInfo().IsDir() {
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continue
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}
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LoadNodeByPath(
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ctx,
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nil,
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f.Name,
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func() (io.ReaderAt, error) {
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zfr, err := f.Open()
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if err != nil {
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log.Println("ERROR OPENING ZIP", err)
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return nil, err
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}
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return iio.NewDiskTeeReader(zfr)
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},
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&z.Inode,
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int64(f.UncompressedSize64),
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0,
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0,
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)
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}
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z.files = zr.File
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}
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return fs.OK
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}
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func (z *Zip) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
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out.Mode = syscall.S_IFDIR & 07777
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out.Size = uint64(z.size)
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return fs.OK
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}
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