9ba331693f
Sync call to QDir::entryList is a bad idea for the user data folder. Some users reported hanging on startup with 1.25M legacy cache files. Now we enumerate up to 10000 files at once asynchronously and clear.
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "storage/storage_clear_legacy.h"
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#include <crl/crl_async.h>
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namespace Storage {
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namespace {
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constexpr auto kClearPartSize = size_type(10000);
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} // namespace
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void ClearLegacyFilesPart(
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const QString &base,
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CollectGoodFiles filter,
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base::flat_set<QString> &&skip = {}) {
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filter([
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=,
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files = details::CollectFiles(base, kClearPartSize, skip)
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](base::flat_set<QString> &&skip) mutable {
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crl::async([
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=,
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files = std::move(files),
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skip = std::move(skip)
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]() mutable {
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for (const auto &name : files) {
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if (!skip.contains(name)
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&& !details::RemoveLegacyFile(base + name)) {
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skip.emplace(name);
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}
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}
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if (files.size() == kClearPartSize) {
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ClearLegacyFilesPart(base, filter, std::move(skip));
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}
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});
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});
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}
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void ClearLegacyFiles(const QString &base, CollectGoodFiles filter) {
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Expects(base.endsWith('/'));
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crl::async([=] {
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ClearLegacyFilesPart(base, std::move(filter));
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});
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}
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} // namespace Storage
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