tstor/torrent/node/utils.go

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package node
import (
"context"
"io"
"path"
"path/filepath"
"strings"
"syscall"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/hanwen/go-fuse/v2/fuse"
"github.com/panjf2000/ants/v2"
)
type ReaderFunc func() (io.ReaderAt, error)
func LoadNodeByPath(ctx context.Context, pool *ants.Pool, fp string, reader ReaderFunc, parent *fs.Inode, fileLength int64, pieceLen int32, numPieces int64) {
p := parent
dir, base := filepath.Split(filepath.Clean(fp))
for i, component := range strings.Split(dir, "/") {
if i == 0 {
continue
}
if len(component) == 0 {
continue
}
ch := p.GetChild(component)
if ch == nil {
ch = p.NewPersistentInode(ctx, &fs.Inode{},
fs.StableAttr{Mode: fuse.S_IFDIR})
p.AddChild(component, ch, true)
}
p = ch
}
ext := path.Ext(base)
switch ext {
case ".zip":
n := NewZipFolder(pool, reader, fileLength, base)
p.AddChild(
strings.TrimRight(base, ext),
p.NewPersistentInode(ctx, n, fs.StableAttr{
Mode: syscall.S_IFDIR,
}), true)
default:
n := NewFileWithBlocks(
reader,
fileLength,
pieceLen,
numPieces,
)
p.AddChild(
base,
p.NewPersistentInode(ctx, n, fs.StableAttr{
Mode: syscall.S_IFREG,
}), true)
}
}