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Cache tracker URL to hostname mapping #23579

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Cache tracker URL to hostname mapping #23579

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14 changes: 10 additions & 4 deletions src/base/torrentfilter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -47,12 +47,18 @@ const std::optional<TorrentAnnounceStatus> TorrentFilter::AnyAnnounceStatus;

QString getTrackerHost(const QString &url)
{
// We want the hostname.
if (const QString host = QUrl(url).host(); !host.isEmpty())
return host;
static QHash<QString, QString> cache;

if (const auto iter = cache.constFind(url); iter != cache.constEnd())
return iter.value();

// We want the hostname.
const QString host = QUrl(url).host();
// If failed to parse the domain, original input should be returned
return url;
const QString result = !host.isEmpty() ? host : url;
cache[url] = result;

return result;
}

TorrentFilter::TorrentFilter(const Status status, const std::optional<TorrentIDSet> &idSet, const std::optional<QString> &category
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