Class StatusCounter

fdbserver/Status.actor.cpp:194–235

}

class StatusCounter {
public:
	StatusCounter() : hz(0), roughness(0), counter(0) {}
	StatusCounter(double hz, double roughness, int64_t counter) : hz(hz), roughness(roughness), counter(counter) {}
	StatusCounter(const std::string& parsableText) { parseText(parsableText); }

	StatusCounter& parseText(const std::string& parsableText) {
		sscanf(parsableText.c_str(), "%lf %lf %" SCNd64 "", &hz, &roughness, &counter);
		return *this;
	}

	StatusCounter& updateValues(const StatusCounter& statusCounter) {
		double hzNew = hz + statusCounter.hz;
		double roughnessNew = (hz + statusCounter.hz) ? (roughness * hz + statusCounter.roughness * statusCounter.hz) /
		                                                    (hz + statusCounter.hz)
		                                              : 0.0;
		int64_t counterNew = counter + statusCounter.counter;
		hz = hzNew;
		roughness = roughnessNew;
		counter = counterNew;
		return *this;
	}

	JsonBuilderObject getStatus() const {
		JsonBuilderObject statusObject;
		statusObject["hz"] = hz;
		statusObject["roughness"] = roughness;
		statusObject["counter"] = counter;
		return statusObject;
	}

	double getHz() { return hz; }

	double getRoughness() { return roughness; }

	int64_t getCounter() { return counter; }

protected:
	double hz;
	double roughness;
	int64_t counter;
};

static JsonBuilderObject getLocalityInfo(const LocalityData& locality) {
	JsonBuilderObject localityObj;