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
}
func testUpstream(server stdn.Testserver) error {
bps, err := server.Upstream(*speedtestDuration)
if err != nil {
return err
}
fmt.Printf("Upload: %s\n", stdn.HumanSpeed(bps))
return nil
}