Method request

switch/source/backupsize.cpp:41–51

}

void BackupSizeCache::request(u64 id, const std::string& rootPath)
{
    std::lock_guard<std::mutex> lock(mMutex);
    if (mStop.load() || mCache.count(id) != 0 || mPending.count(id) != 0) {
        return;
    }
    mPending.insert(id);
    mQueue.emplace_back(id, rootPath);
    ensureWorker();
    mCond.notify_one();
}

std::optional<u64> BackupSizeCache::total(u64 id)
{