void ChunkDownload::endgameCancel(const Piece & p)
{
QPtrList<PeerDownloader>::iterator i = pdown.begin();
while (i != pdown.end())
{
PeerDownloader* pd = *i;
DownloadStatus* ds = dstatus.find(pd->getPeer()->getID());
Uint32 pp = p.getOffset() / MAX_PIECE_LEN;
if (ds && ds->contains(pp))
{
pd->cancel(Request(p));
ds->remove(pp);
}
i++;
}
}
void ChunkDownload::sendRequests(PeerDownloader* pd)
{
timer.update();
DownloadStatus* ds = dstatus.find(pd->getPeer()->getID());
if (!ds)
return;
// if the peer is choked and we are not downloading an allowed fast chunk
if (pd->isChoked())
return;
Uint32 num_visited = 0;
while (num_visited < piece_queue.count() && pd->canAddRequest())
{
// get the first one in the queue
Uint32 i = piece_queue.first();
if (!ds->contains(i))
{
// send request
pd->download(
Request(
chunk->getIndex(),
i*MAX_PIECE_LEN,
i+1<num ? MAX_PIECE_LEN : last_size,
pd->getPeer()->getID()));
ds->add(i);
}
// move to the back so that it will take a while before it's turn is up
piece_queue.pop_front();
piece_queue.append(i);
num_visited++;
}
if (piece_queue.count() < 2 && piece_queue.count() > 0)
pd->setNearlyDone(true);
}