Nebula Hisgogram Serialize

nebula_histogram_serialize.cc

            // Comment temporary for maybe used later
            // auto& p = sm.histograms_[StatsManager::physicalHistoIndex(index.second)];
            // std::int64_t sum = 0;
            // if (parsedName != nullptr) {
                // sum = readStats(index.second, parsedName->range, StatsManager::StatsMethod::SUM)
                    // .value();
            // } else {
                // sum = readStats(index.second, StatsManager::TimeRange::ONE_HOUR,
                    // StatsManager::StatsMethod::SUM).value();
            // }
            // std::uint64_t count = 0;
            // if (parsedName != nullptr) {
                // count = readStats(index.second, parsedName->range,
                    // StatsManager::StatsMethod::COUNT).value();
            // } else {
                // count = readStats(index.second, StatsManager::TimeRange::ONE_HOUR,
                    // StatsManager::StatsMethod::COUNT).value();
            // }
            // std::lock_guard<std::mutex> lk(*p.first);
            // auto& hist = p.second;
            // folly::dynamic buckets = folly::dynamic::array();
            // for (std::size_t i = 0; i < hist->getNumBuckets(); ++i) {
                // if (parsedName != nullptr) {
                    // buckets.push_back(
                        // hist->getBucket(i).count(static_cast<std::size_t>(parsedName->range)));
                // } else {
                    // buckets.push_back(
                        // hist->getBucket(i).count(static_cast<std::size_t>(
                            // StatsManager::TimeRange::ONE_HOUR)));
                // }
            // }
            // folly::dynamic histogram = folly::dynamic::object("name", name)
                // ("value_range", folly::dynamic::array(hist->getMin(), hist->getMax()))
                // ("buckets", std::move(buckets))
                // ("count", count)
                // ("sum", sum)
                // ("labels", labels);
            // obj[kHistograms].push_back(std::move(histogram));