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qBittorrent
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Clean up metadata downloading code

adaptive-webui-19844
Vladimir Golovnev (Glassez) 4 years ago
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82716d8014
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0e8feed2f2
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3 changed files with 33 additions and 42 deletions
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  1. 57
      src/base/bittorrent/session.cpp
  2. 8
      src/base/bittorrent/session.h
  3. 8
      src/gui/addnewtorrentdialog.cpp

57
src/base/bittorrent/session.cpp
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@ -1892,12 +1892,12 @@ bool Session::deleteTorrent(const InfoHash &hash, const DeleteOption deleteOptio
return true; return true;
} }
bool Session::cancelLoadMetadata(const InfoHash &hash) bool Session::cancelDownloadMetadata(const InfoHash &hash)
{ {
const auto loadedMetadataIter = m_loadedMetadata.find(hash); const auto downloadedMetadataIter = m_downloadedMetadata.find(hash);
if (loadedMetadataIter == m_loadedMetadata.end()) return false; if (downloadedMetadataIter == m_downloadedMetadata.end()) return false;
m_loadedMetadata.erase(loadedMetadataIter); m_downloadedMetadata.erase(downloadedMetadataIter);
--m_extraLimit; --m_extraLimit;
adjustLimits(); adjustLimits();
m_nativeSession->remove_torrent(m_nativeSession->find_torrent(hash), lt::session::delete_files); m_nativeSession->remove_torrent(m_nativeSession->find_torrent(hash), lt::session::delete_files);
@ -1951,7 +1951,7 @@ void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
torrentQueue.pop(); torrentQueue.pop();
} }
for (auto i = m_loadedMetadata.cbegin(); i != m_loadedMetadata.cend(); ++i) for (auto i = m_downloadedMetadata.cbegin(); i != m_downloadedMetadata.cend(); ++i)
torrentQueuePositionBottom(m_nativeSession->find_torrent(*i)); torrentQueuePositionBottom(m_nativeSession->find_torrent(*i));
saveTorrentsQueue(); saveTorrentsQueue();
@ -2004,7 +2004,7 @@ void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
torrentQueue.pop(); torrentQueue.pop();
} }
for (auto i = m_loadedMetadata.cbegin(); i != m_loadedMetadata.cend(); ++i) for (auto i = m_downloadedMetadata.cbegin(); i != m_downloadedMetadata.cend(); ++i)
torrentQueuePositionBottom(m_nativeSession->find_torrent(*i)); torrentQueuePositionBottom(m_nativeSession->find_torrent(*i));
saveTorrentsQueue(); saveTorrentsQueue();
@ -2058,21 +2058,6 @@ bool Session::addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &par
{ {
if (!magnetUri.isValid()) return false; if (!magnetUri.isValid()) return false;
const InfoHash hash = magnetUri.hash();
const auto it = m_loadedMetadata.constFind(hash);
if (it != m_loadedMetadata.constEnd())
{
// It looks illogical that we don't just use an existing handle,
// but as previous experience has shown, it actually creates unnecessary
// problems and unwanted behavior due to the fact that it was originally
// added with parameters other than those provided by the user.
m_loadedMetadata.erase(it);
--m_extraLimit;
adjustLimits();
m_nativeSession->remove_torrent(m_nativeSession->find_torrent(hash), lt::session::delete_files);
}
return addTorrent_impl(params, magnetUri); return addTorrent_impl(params, magnetUri);
} }
@ -2126,9 +2111,15 @@ bool Session::addTorrent_impl(const AddTorrentParams &addTorrentParams, const Ma
const bool hasMetadata = metadata.isValid(); const bool hasMetadata = metadata.isValid();
const InfoHash hash = (hasMetadata ? metadata.hash() : magnetUri.hash()); const InfoHash hash = (hasMetadata ? metadata.hash() : magnetUri.hash());
// It looks illogical that we don't just use an existing handle,
// but as previous experience has shown, it actually creates unnecessary
// problems and unwanted behavior due to the fact that it was originally
// added with parameters other than those provided by the user.
cancelDownloadMetadata(hash);
// We should not add the torrent if it is already // We should not add the torrent if it is already
// processed or is pending to add to session // processed or is pending to add to session
if (m_loadingTorrents.contains(hash) || m_loadedMetadata.contains(hash)) if (m_loadingTorrents.contains(hash))
return false; return false;
TorrentHandleImpl *const torrent = m_torrents.value(hash); TorrentHandleImpl *const torrent = m_torrents.value(hash);
@ -2276,9 +2267,9 @@ bool Session::findIncompleteFiles(TorrentInfo &torrentInfo, QString &savePath) c
return found; return found;
} }
// Add a torrent to the BitTorrent session in hidden mode // Add a torrent to libtorrent session in hidden mode
// and force it to load its metadata // and force it to download its metadata
bool Session::loadMetadata(const MagnetUri &magnetUri) bool Session::downloadMetadata(const MagnetUri &magnetUri)
{ {
if (!magnetUri.isValid()) return false; if (!magnetUri.isValid()) return false;
@ -2289,7 +2280,7 @@ bool Session::loadMetadata(const MagnetUri &magnetUri)
// processed or adding to session // processed or adding to session
if (m_torrents.contains(hash)) return false; if (m_torrents.contains(hash)) return false;
if (m_loadingTorrents.contains(hash)) return false; if (m_loadingTorrents.contains(hash)) return false;
if (m_loadedMetadata.contains(hash)) return false; if (m_downloadedMetadata.contains(hash)) return false;
qDebug("Adding torrent to preload metadata..."); qDebug("Adding torrent to preload metadata...");
qDebug(" -> Hash: %s", qUtf8Printable(hash)); qDebug(" -> Hash: %s", qUtf8Printable(hash));
@ -2322,13 +2313,13 @@ bool Session::loadMetadata(const MagnetUri &magnetUri)
p.storage = customStorageConstructor; p.storage = customStorageConstructor;
#endif #endif
// Adding torrent to BitTorrent session // Adding torrent to libtorrent session
lt::error_code ec; lt::error_code ec;
lt::torrent_handle h = m_nativeSession->add_torrent(p, ec); lt::torrent_handle h = m_nativeSession->add_torrent(p, ec);
if (ec) return false; if (ec) return false;
// waiting for metadata... // waiting for metadata...
m_loadedMetadata.insert(h.info_hash()); m_downloadedMetadata.insert(h.info_hash());
++m_extraLimit; ++m_extraLimit;
adjustLimits(); adjustLimits();
@ -3775,7 +3766,7 @@ bool Session::isKnownTorrent(const InfoHash &hash) const
{ {
return (m_torrents.contains(hash) return (m_torrents.contains(hash)
|| m_loadingTorrents.contains(hash) || m_loadingTorrents.contains(hash)
|| m_loadedMetadata.contains(hash)); || m_downloadedMetadata.contains(hash));
} }
void Session::updateSeedingLimitTimer() void Session::updateSeedingLimitTimer()
@ -4724,18 +4715,18 @@ void Session::handleTorrentDeleteFailedAlert(const lt::torrent_delete_failed_ale
void Session::handleMetadataReceivedAlert(const lt::metadata_received_alert *p) void Session::handleMetadataReceivedAlert(const lt::metadata_received_alert *p)
{ {
const InfoHash hash {p->handle.info_hash()}; const InfoHash hash {p->handle.info_hash()};
const auto loadedMetadataIter = m_loadedMetadata.find(hash); const auto downloadedMetadataIter = m_downloadedMetadata.find(hash);
if (loadedMetadataIter != m_loadedMetadata.end()) if (downloadedMetadataIter != m_downloadedMetadata.end())
{ {
TorrentInfo metadata {p->handle.torrent_file()}; TorrentInfo metadata {p->handle.torrent_file()};
m_loadedMetadata.erase(loadedMetadataIter); m_downloadedMetadata.erase(downloadedMetadataIter);
--m_extraLimit; --m_extraLimit;
adjustLimits(); adjustLimits();
m_nativeSession->remove_torrent(p->handle, lt::session::delete_files); m_nativeSession->remove_torrent(p->handle, lt::session::delete_files);
emit metadataLoaded(metadata); emit metadataDownloaded(metadata);
} }
} }

8
src/base/bittorrent/session.h
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@ -453,8 +453,8 @@ namespace BitTorrent
bool addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &params = AddTorrentParams()); bool addTorrent(const MagnetUri &magnetUri, const AddTorrentParams &params = AddTorrentParams());
bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams()); bool addTorrent(const TorrentInfo &torrentInfo, const AddTorrentParams &params = AddTorrentParams());
bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = Torrent); bool deleteTorrent(const InfoHash &hash, DeleteOption deleteOption = Torrent);
bool loadMetadata(const MagnetUri &magnetUri); bool downloadMetadata(const MagnetUri &magnetUri);
bool cancelLoadMetadata(const InfoHash &hash); bool cancelDownloadMetadata(const InfoHash &hash);
void recursiveTorrentDownload(const InfoHash &hash); void recursiveTorrentDownload(const InfoHash &hash);
void increaseTorrentsQueuePos(const QVector<InfoHash> &hashes); void increaseTorrentsQueuePos(const QVector<InfoHash> &hashes);
@ -497,7 +497,7 @@ namespace BitTorrent
void fullDiskError(TorrentHandle *torrent, const QString &msg); void fullDiskError(TorrentHandle *torrent, const QString &msg);
void IPFilterParsed(bool error, int ruleCount); void IPFilterParsed(bool error, int ruleCount);
void loadTorrentFailed(const QString &error); void loadTorrentFailed(const QString &error);
void metadataLoaded(const TorrentInfo &info); void metadataDownloaded(const TorrentInfo &info);
void recursiveTorrentDownloadPossible(TorrentHandle *torrent); void recursiveTorrentDownloadPossible(TorrentHandle *torrent);
void speedLimitModeChanged(bool alternative); void speedLimitModeChanged(bool alternative);
void statsUpdated(); void statsUpdated();
@ -764,7 +764,7 @@ namespace BitTorrent
QThread *m_ioThread = nullptr; QThread *m_ioThread = nullptr;
ResumeDataSavingManager *m_resumeDataSavingManager = nullptr; ResumeDataSavingManager *m_resumeDataSavingManager = nullptr;
QSet<InfoHash> m_loadedMetadata; QSet<InfoHash> m_downloadedMetadata;
QHash<InfoHash, TorrentHandleImpl *> m_torrents; QHash<InfoHash, TorrentHandleImpl *> m_torrents;
QHash<InfoHash, LoadTorrentParams> m_loadingTorrents; QHash<InfoHash, LoadTorrentParams> m_loadingTorrents;

8
src/gui/addnewtorrentdialog.cpp
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@ -347,7 +347,7 @@ bool AddNewTorrentDialog::loadMagnet(const BitTorrent::MagnetUri &magnetUri)
return false; return false;
} }
connect(BitTorrent::Session::instance(), &BitTorrent::Session::metadataLoaded, this, &AddNewTorrentDialog::updateMetadata); connect(BitTorrent::Session::instance(), &BitTorrent::Session::metadataDownloaded, this, &AddNewTorrentDialog::updateMetadata);
// Set dialog title // Set dialog title
const QString torrentName = magnetUri.name(); const QString torrentName = magnetUri.name();
@ -356,7 +356,7 @@ bool AddNewTorrentDialog::loadMagnet(const BitTorrent::MagnetUri &magnetUri)
setupTreeview(); setupTreeview();
TMMChanged(m_ui->comboTTM->currentIndex()); TMMChanged(m_ui->comboTTM->currentIndex());
BitTorrent::Session::instance()->loadMetadata(magnetUri); BitTorrent::Session::instance()->downloadMetadata(magnetUri);
setMetadataProgressIndicator(true, tr("Retrieving metadata...")); setMetadataProgressIndicator(true, tr("Retrieving metadata..."));
m_ui->labelHashData->setText(infoHash); m_ui->labelHashData->setText(infoHash);
@ -613,7 +613,7 @@ void AddNewTorrentDialog::reject()
if (!m_hasMetadata) if (!m_hasMetadata)
{ {
setMetadataProgressIndicator(false); setMetadataProgressIndicator(false);
BitTorrent::Session::instance()->cancelLoadMetadata(m_magnetURI.hash()); BitTorrent::Session::instance()->cancelDownloadMetadata(m_magnetURI.hash());
} }
QDialog::reject(); QDialog::reject();
@ -623,7 +623,7 @@ void AddNewTorrentDialog::updateMetadata(const BitTorrent::TorrentInfo &metadata
{ {
if (metadata.hash() != m_magnetURI.hash()) return; if (metadata.hash() != m_magnetURI.hash()) return;
disconnect(BitTorrent::Session::instance(), &BitTorrent::Session::metadataLoaded, this, &AddNewTorrentDialog::updateMetadata); disconnect(BitTorrent::Session::instance(), &BitTorrent::Session::metadataDownloaded, this, &AddNewTorrentDialog::updateMetadata);
if (!metadata.isValid()) if (!metadata.isValid())
{ {

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