t *Torrent
index pieceIndex
files []*File
- // Chunks we've written to since the last check. The chunk offset and
- // length can be determined by the request chunkSize in use.
- _dirtyChunks bitmap.Bitmap
readerCond chansync.BroadcastCond
publicPieceState PieceState
priority piecePriority
- availability int64
+ // Availability adjustment for this piece relative to len(Torrent.connsWithAllPieces). This is
+ // incremented for any piece a peer has when a peer has a piece, Torrent.haveInfo is true, and
+ // the Peer isn't recorded in Torrent.connsWithAllPieces.
+ relativeAvailability int
// This can be locked when the Client lock is taken, but probably not vice versa.
pendingWritesMutex sync.Mutex
return p.t.storage.Piece(p.Info())
}
+func (p *Piece) Flush() {
+ if p.t.storage.Flush != nil {
+ _ = p.t.storage.Flush()
+ }
+}
+
func (p *Piece) pendingChunkIndex(chunkIndex chunkIndexType) bool {
- return !p._dirtyChunks.Contains(bitmap.BitIndex(chunkIndex))
+ return !p.chunkIndexDirty(chunkIndex)
}
func (p *Piece) pendingChunk(cs ChunkSpec, chunkSize pp.Integer) bool {
}
func (p *Piece) hasDirtyChunks() bool {
- return p._dirtyChunks.Len() != 0
+ return p.numDirtyChunks() != 0
}
-func (p *Piece) numDirtyChunks() pp.Integer {
- return pp.Integer(p._dirtyChunks.Len())
+func (p *Piece) numDirtyChunks() chunkIndexType {
+ return chunkIndexType(roaringBitmapRangeCardinality[RequestIndex](
+ &p.t.dirtyChunks,
+ p.requestIndexOffset(),
+ p.t.pieceRequestIndexOffset(p.index+1)))
}
func (p *Piece) unpendChunkIndex(i chunkIndexType) {
- p._dirtyChunks.Add(bitmap.BitIndex(i))
+ p.t.dirtyChunks.Add(p.requestIndexOffset() + i)
+ p.t.updatePieceRequestOrder(p.index)
p.readerCond.Broadcast()
}
func (p *Piece) pendChunkIndex(i RequestIndex) {
- p._dirtyChunks.Remove(bitmap.BitIndex(i))
+ p.t.dirtyChunks.Remove(p.requestIndexOffset() + i)
+ p.t.updatePieceRequestOrder(p.index)
}
-func (p *Piece) numChunks() pp.Integer {
- return pp.Integer(p.t.pieceNumChunks(p.index))
+func (p *Piece) numChunks() chunkIndexType {
+ return p.t.pieceNumChunks(p.index)
}
func (p *Piece) incrementPendingWrites() {
p.pendingWritesMutex.Unlock()
}
-func (p *Piece) chunkIndexDirty(chunk pp.Integer) bool {
- return p._dirtyChunks.Contains(bitmap.BitIndex(chunk))
+func (p *Piece) chunkIndexDirty(chunk chunkIndexType) bool {
+ return p.t.dirtyChunks.Contains(p.requestIndexOffset() + chunk)
}
-func (p *Piece) chunkIndexSpec(chunk pp.Integer) ChunkSpec {
- return chunkIndexSpec(chunk, p.length(), p.chunkSize())
+func (p *Piece) chunkIndexSpec(chunk chunkIndexType) ChunkSpec {
+ return chunkIndexSpec(pp.Integer(chunk), p.length(), p.chunkSize())
}
func (p *Piece) numDirtyBytes() (ret pp.Integer) {
return p.t.chunkSize
}
-func (p *Piece) lastChunkIndex() pp.Integer {
+func (p *Piece) lastChunkIndex() chunkIndexType {
return p.numChunks() - 1
}
if p.hashing {
target++
}
- //log.Printf("target: %d", target)
+ // log.Printf("target: %d", target)
p.t.queuePieceCheck(p.index)
for {
- //log.Printf("got %d verifies", p.numVerifies)
+ // log.Printf("got %d verifies", p.numVerifies)
if p.numVerifies >= target {
break
}
p.t.cl.lock()
defer p.t.cl.unlock()
p.priority = prio
- p.t.updatePiecePriority(p.index)
+ p.t.updatePiecePriority(p.index, "Piece.SetPriority")
}
func (p *Piece) purePriority() (ret piecePriority) {
}
func (p *Piece) uncachedPriority() (ret piecePriority) {
- if p.t.pieceComplete(p.index) || p.t.pieceQueuedForHash(p.index) || p.t.hashingPiece(p.index) {
+ if p.hashing || p.marking || p.t.pieceComplete(p.index) || p.queuedForHash() {
return PiecePriorityNone
}
return p.purePriority()
}
func (p *Piece) allChunksDirty() bool {
- return p._dirtyChunks.Len() == bitmap.BitRange(p.numChunks())
+ return p.numDirtyChunks() == p.numChunks()
}
func (p *Piece) State() PieceState {
return p.t.PieceState(p.index)
}
-func (p *Piece) iterUndirtiedChunks(f func(cs chunkIndexType)) {
- for i := chunkIndexType(0); i < chunkIndexType(p.numChunks()); i++ {
- if p.chunkIndexDirty(pp.Integer(i)) {
- continue
- }
- f(i)
- }
+func (p *Piece) requestIndexOffset() RequestIndex {
+ return p.t.pieceRequestIndexOffset(p.index)
}
-func (p *Piece) requestIndexOffset() RequestIndex {
- return RequestIndex(p.index) * p.t.chunksPerRegularPiece()
+func (p *Piece) availability() int {
+ return len(p.t.connsWithAllPieces) + p.relativeAvailability
}