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Optimize Session::startupTorrents()

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Reduce queue size by starting up initial items (torrents) when they are detected
This commit is contained in:
Vladimir Golovnev (qlassez) 2015-12-17 16:47:34 +03:00 committed by Vladimir Golovnev (Glassez)
parent a5780dd66c
commit 245f424014
1 changed files with 23 additions and 16 deletions
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39
src/base/bittorrent/session.cpp
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@ -1898,7 +1898,6 @@ void Session::startUpTorrents()
QStringList fastresumes = resumeDataDir.entryList(
QStringList(QLatin1String("*.fastresume")), QDir::Files, QDir::Unsorted);
QString filePath;
Logger *const logger = Logger::instance();
typedef struct
@ -1909,28 +1908,41 @@ void Session::startUpTorrents()
QByteArray data;
} TorrentResumeData;
auto startupTorrent = [this, logger, resumeDataDir](const TorrentResumeData &params)
{
QString filePath = resumeDataDir.filePath(QString("%1.torrent").arg(params.hash));
qDebug() << "Starting up torrent" << params.hash << "...";
if (!addTorrent_impl(params.addTorrentData, params.magnetUri, TorrentInfo::loadFromFile(filePath), params.data))
logger->addMessage(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
.arg(params.hash), Log::CRITICAL);
};
qDebug("Starting up torrents");
qDebug("Queue size: %d", fastresumes.size());
// Resume downloads
QMap<int, TorrentResumeData> queuedResumeData;
int nextQueuePosition = 1;
QRegExp rx(QLatin1String("^([A-Fa-f0-9]{40})\\.fastresume$"));
foreach (const QString &fastresumeName, fastresumes) {
if (rx.indexIn(fastresumeName) == -1) continue;
QString hash = rx.cap(1);
QString fastresumePath =
resumeDataDir.absoluteFilePath(fastresumeName);
QString fastresumePath = resumeDataDir.absoluteFilePath(fastresumeName);
QByteArray data;
AddTorrentData resumeData;
MagnetUri magnetUri;
int queuePosition;
if (readFile(fastresumePath, data) && loadTorrentResumeData(data, resumeData, queuePosition, magnetUri)) {
if (queuePosition == 0) {
filePath = resumeDataDir.filePath(QString("%1.torrent").arg(hash));
qDebug("Starting up torrent %s ...", qPrintable(hash));
if (!addTorrent_impl(resumeData, magnetUri, TorrentInfo::loadFromFile(filePath), data))
logger->addMessage(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
.arg(hash), Log::CRITICAL);
if (queuePosition <= nextQueuePosition) {
startupTorrent({ hash, magnetUri, resumeData, data });
if (queuePosition == nextQueuePosition) {
++nextQueuePosition;
while (queuedResumeData.contains(nextQueuePosition)) {
startupTorrent(queuedResumeData.take(nextQueuePosition));
++nextQueuePosition;
}
}
}
else {
queuedResumeData[queuePosition] = { hash, magnetUri, resumeData, data };
@ -1939,13 +1951,8 @@ void Session::startUpTorrents()
}
// starting up downloading torrents (queue position > 0)
foreach (const TorrentResumeData &torrentResumeData, queuedResumeData) {
filePath = resumeDataDir.filePath(QString("%1.torrent").arg(torrentResumeData.hash));
qDebug("Starting up torrent %s ...", qPrintable(torrentResumeData.hash));
if (!addTorrent_impl(torrentResumeData.addTorrentData, torrentResumeData.magnetUri, TorrentInfo::loadFromFile(filePath), torrentResumeData.data))
logger->addMessage(tr("Unable to resume torrent '%1'.", "e.g: Unable to resume torrent 'hash'.")
.arg(torrentResumeData.hash), Log::CRITICAL);
}
foreach (const TorrentResumeData &torrentResumeData, queuedResumeData)
startupTorrent(torrentResumeData);
}
quint64 Session::getAlltimeDL() const