mirror/qBittorrent
2
0
Fork 0
mirror of https://github.com/qbittorrent/qBittorrent.git synced 2025-01-30 18:50:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

Avoid potentially setting the wrong piece priorities

Browse Source 
Updating file priorities is an async operation in libtorrent, when we
just updated it and immediately query it, we might get the
old/wrong values, so we rely on `updatedFilePrio` in this case.
This commit is contained in:
Chocobo1 2018-07-29 16:14:17 +08:00
parent a68cdc5225
commit 73b5efbb23
No known key found for this signature in database
GPG Key ID: 210D9C873253A68C
2 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/base/bittorrent/torrenthandle.cpp
View File

@ -1300,13 +1300,21 @@ void TorrentHandle::toggleSequentialDownload()
void TorrentHandle::setFirstLastPiecePriority(const bool enabled)
{
setFirstLastPiecePriorityImpl(enabled);
}
void TorrentHandle::setFirstLastPiecePriorityImpl(const bool enabled, const QVector<int> &updatedFilePrio)
{
// Download first and last pieces first for every file in the torrent
if (!hasMetadata()) {
m_needsToSetFirstLastPiecePriority = enabled;
return;
}
// Download first and last pieces first for every file in the torrent
const std::vector<int> filePriorities = nativeHandle().file_priorities();
// Updating file priorities is an async operation in libtorrent, when we just updated it and immediately query it
// we might get the old/wrong values, so we rely on `updatedFilePrio` in this case.
const std::vector<int> filePriorities = !updatedFilePrio.isEmpty() ? updatedFilePrio.toStdVector() : nativeHandle().file_priorities();
std::vector<int> piecePriorities = nativeHandle().piece_priorities();
for (int index = 0; index < static_cast<int>(filePriorities.size()); ++index) {
const int filePrio = filePriorities[index];
@ -2064,7 +2072,7 @@ void TorrentHandle::prioritizeFiles(const QVector<int> &priorities)
// Restore first/last piece first option if necessary
if (firstLastPieceFirst)
setFirstLastPiecePriority(true);
setFirstLastPiecePriorityImpl(true, priorities);
updateStatus();
}

1
src/base/bittorrent/torrenthandle.h
View File

@ -420,6 +420,7 @@ namespace BitTorrent
bool addTracker(const TrackerEntry &tracker);
bool addUrlSeed(const QUrl &urlSeed);
bool removeUrlSeed(const QUrl &urlSeed);
void setFirstLastPiecePriorityImpl(bool enabled, const QVector<int> &updatedFilePrio = {});
Session *const m_session;
libtorrent::torrent_handle m_nativeHandle;