Method UpdateFromData

library/cpp/chromium_trace/samplers.cpp:110–154

}

void TNetStatSampler::UpdateFromData(const TString& data) {
    TStringInput input(data);

    struct TNetStatEntry {
        TString Header;
        TVector<TString> Names;
        TVector<i64> Values;
    };

    TString line;
    while (input.ReadLine(line)) {
        TNetStatEntry entry;

        // Odd line: a list of names
        {
            auto pos = line.find(':');
            entry.Header = line.substr(0, pos);
            auto tail = TStringBuf(line.data() + pos + 2, line.data() + line.size());
            StringSplitter(tail).Split(' ').Consume([&](TStringBuf token) {
                entry.Names.emplace_back(token);
            });
        }

        // Even line : a list of values
        {
            input.ReadLine(line);
            auto pos = line.find(':');
            entry.Header = line.substr(0, pos);
            auto tail = TStringBuf(line.data() + pos + 2, line.data() + line.size());
            StringSplitter(tail).Split(' ').Consume([&](TStringBuf token) {
                entry.Values.emplace_back(FromString<i64>(token));
            });
        }

        for (size_t i : xrange(entry.Names.size())) {
            TString name = TStringBuilder() << entry.Header << '.' << entry.Names[i];
            auto it = Values.find(name);
            if (it != Values.end()) {
                it->second.Update(entry.Values[i]);
            } else if (AllowAllKeys) {
                Values[name].Update(entry.Values[i]);
            }
        }
    }
}

void TNetStatSampler::Publish(TTracer& tracer) const {
    for (const auto& item : Values) {