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Improve resume queue load performance

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PR #22831.

---------

Co-authored-by: Vladimir Golovnev <glassez@yandex.ru>
This commit is contained in:
Leon Blakey 2025-06-12 23:47:23 -07:00 • committed by GitHub
parent ff07591a87
commit d7a5430893
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GPG key ID: B5690EEEBB952194
1 changed files with 13 additions and 4 deletions
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17
src/base/bittorrent/bencoderesumedatastorage.cpp
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@ -189,8 +189,13 @@ void BitTorrent::BencodeResumeDataStorage::loadQueue(const Path &queueFilename)
return;
}
QHash<TorrentID, qsizetype> registeredTorrentsIndexes;
registeredTorrentsIndexes.reserve(m_registeredTorrents.length());
for (qsizetype i = 0; i < m_registeredTorrents.length(); ++i)
registeredTorrentsIndexes.insert(m_registeredTorrents.at(i), i);
const QRegularExpression hashPattern {u"^([A-Fa-f0-9]{40})$"_s};
int start = 0;
qsizetype queuePos = 0;
while (true)
{
const auto line = QString::fromLatin1(queueFile.readLine(lineMaxLength).trimmed());
@ -201,11 +206,15 @@ void BitTorrent::BencodeResumeDataStorage::loadQueue(const Path &queueFilename)
if (rxMatch.hasMatch())
{
const auto torrentID = BitTorrent::TorrentID::fromString(rxMatch.captured(1));
const int pos = m_registeredTorrents.indexOf(torrentID, start);
const qsizetype pos = registeredTorrentsIndexes.value(torrentID, -1);
if (pos != -1)
{
std::swap(m_registeredTorrents[start], m_registeredTorrents[pos]);
++start;
if (pos != queuePos)
{
m_registeredTorrents.swapItemsAt(pos, queuePos);
registeredTorrentsIndexes.insert(m_registeredTorrents.at(pos), pos);
}
++queuePos;
}
}
}