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Optimize conversion of time points from libtorrent to Qt clocks

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Obtain current date time of Qt and libtorrent clocks only once
for processing entire current libtorrent alerts bunch.

PR #21764.
This commit is contained in:
Vladimir Golovnev
2024-11-05 16:43:43 +03:00
committed by GitHub
parent 051d7137ea
commit 75d1ac8889
3 changed files with 26 additions and 11 deletions
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11
src/base/bittorrent/sessionimpl.cpp
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@@ -5504,6 +5504,11 @@ void SessionImpl::setTorrentContentLayout(const TorrentContentLayout value)
// Read alerts sent by libtorrent session
void SessionImpl::readAlerts()
{
// cache current datetime of Qt and libtorrent clocks in order
// to optimize conversion of time points from lt to Qt clocks
m_ltNow = lt::clock_type::now();
m_qNow = QDateTime::currentDateTime();
const std::vector<lt::alert *> alerts = getPendingAlerts();
Q_ASSERT(m_loadedTorrents.isEmpty());
@@ -6373,3 +6378,9 @@ void SessionImpl::handleRemovedTorrent(const TorrentID &torrentID, const QString
m_removingTorrents.erase(removingTorrentDataIter);
}
QDateTime SessionImpl::fromLTTimePoint32(const libtorrent::time_point32 &timePoint) const
{
const auto secsSinceNow = lt::duration_cast<lt::seconds>(timePoint - m_ltNow + lt::milliseconds(500)).count();
return m_qNow.addSecs(secsSinceNow);
}