Пример #1
0
func testLatency(server stdn.Testserver) error {
	//perform a full latency test
	durs, err := server.Ping(fullTestCount)
	if err != nil {
		return err
	}
	var avg, max, min uint64
	var latencies []float64
	for i := range durs {
		ms := uint64(durs[i].Nanoseconds() / 1000000)
		latencies = append(latencies, float64(ms))
		avg += ms
		if ms > max {
			max = ms
		}
		if ms < min || min == 0 {
			min = ms
		}
	}
	avg = avg / uint64(len(durs))
	median := durs[len(durs)/2].Nanoseconds() / 1000000
	sparkline := spark.Line(latencies)
	fmt.Printf("Latency: %s\t%dms avg\t%dms median\t%dms max\t%dms min\n", sparkline, avg, median, max, min)
	return nil
}