"io"
"sync"
- "github.com/edsrzf/mmap-go"
-
"github.com/anacrolix/torrent/segments"
)
+type Mmap interface {
+ Flush() error
+ Unmap() error
+ Bytes() []byte
+}
+
type MMapSpan struct {
mu sync.RWMutex
- mMaps []mmap.MMap
+ mMaps []Mmap
segmentLocater segments.Index
}
-func (ms *MMapSpan) Append(mMap mmap.MMap) {
+func (ms *MMapSpan) Append(mMap Mmap) {
ms.mMaps = append(ms.mMaps, mMap)
}
if i == len(me.mMaps) {
return -1, false
}
- l := int64(len(me.mMaps[i]))
+ l := int64(len(me.mMaps[i].Bytes()))
i++
return l, true
})
func (ms *MMapSpan) locateCopy(copyArgs func(remainingArgument, mmapped []byte) (dst, src []byte), p []byte, off int64) (n int) {
ms.segmentLocater.Locate(segments.Extent{off, int64(len(p))}, func(i int, e segments.Extent) bool {
- mMapBytes := ms.mMaps[i][e.Start:]
+ mMapBytes := ms.mMaps[i].Bytes()[e.Start:]
// log.Printf("got segment %v: %v, copying %v, %v", i, e, len(p), len(mMapBytes))
_n := copyBytes(copyArgs(p, mMapBytes))
p = p[_n:]