Golang go-humanize.Comma函數代碼示例

func printStats() {
	statTimer := time.NewTicker(30 * time.Second)
	for {
		<-statTimer.C
		var memstats runtime.MemStats
		runtime.ReadMemStats(&memstats)
		log.Printf("stats [up since: %s]\n", humanize.Time(timeStarted))
		log.Printf(" - CPUTemp=%.02f deg C, MemStats.Alloc=%s, MemStats.Sys=%s, totalNetworkMessagesSent=%s\n", globalStatus.CPUTemp, humanize.Bytes(uint64(memstats.Alloc)), humanize.Bytes(uint64(memstats.Sys)), humanize.Comma(int64(totalNetworkMessagesSent)))
		log.Printf(" - UAT/min %s/%s [maxSS=%.02f%%], ES/min %s/%s\n", humanize.Comma(int64(globalStatus.UAT_messages_last_minute)), humanize.Comma(int64(globalStatus.UAT_messages_max)), float64(maxSignalStrength)/10.0, humanize.Comma(int64(globalStatus.ES_messages_last_minute)), humanize.Comma(int64(globalStatus.ES_messages_max)))
		log.Printf(" - Total traffic targets tracked=%s, last GPS fix: %s\n", humanize.Comma(int64(len(seenTraffic))), humanize.Time(mySituation.LastFixLocalTime))
	}
}

//FIXME: This needs to be switched to show a "sessions log" from the sqlite database.
func viewLogs(w http.ResponseWriter, r *http.Request) {

	names, err := ioutil.ReadDir("/var/log/stratux/")
	if err != nil {
		return
	}

	fi := make([]fileInfo, 0)
	for _, val := range names {
		if val.Name()[0] == '.' {
			continue
		} // Remove hidden files from listing

		if !val.IsDir() {
			mtime := val.ModTime().Format("2006-Jan-02 15:04:05")
			sz := humanize.Comma(val.Size())
			fi = append(fi, fileInfo{Name: val.Name(), Mtime: mtime, Size: sz})
		}
	}

	tpl, err := template.New("tpl").Parse(dirlisting_tpl)
	if err != nil {
		return
	}
	data := dirlisting{Name: r.URL.Path, ServerUA: "Stratux " + stratuxVersion + "/" + stratuxBuild,
		Children_files: fi}

	err = tpl.Execute(w, data)
	if err != nil {
		log.Printf("viewLogs() error: %s\n", err.Error())
	}

}

func (w *hrsWriter) writeSize(v Value) {
	t := v.Type()
	switch t.Kind() {
	case ListKind, MapKind, SetKind:
		l := v.(lenable).Len()
		if l < 4 {
			return
		}
		w.write(fmt.Sprintf("  // %s items", humanize.Comma(int64(l))))
	default:
		panic("unreachable")
	}
}

func main() {
	// use [from/to/by] or [from/iterations]
	nFrom := flag.Uint64("from", 1e2, "start iterations from this number")
	nTo := flag.Uint64("to", 1e4, "run iterations until arriving at this number")
	nBy := flag.Uint64("by", 1, "increment each iteration by this number")
	nIncrements := flag.Uint64("iterations", 0, "number of iterations to execute")
	encodingType := flag.String("encoding", "string", "encode/decode as 'string', 'binary', 'binary-int', 'binary-varint'")
	flag.Parse(true)

	flag.Usage = func() {
		fmt.Printf("%s\n", os.Args[0])
		flag.PrintDefaults()
		return
	}

	t0 := time.Now()
	nBytes := uint64(0)
	nIterations := uint64(0)

	encoderDecoder := getEncoder(*encodingType)
	startingLoop := newBigFloat(*nFrom)

	var endLoop *big.Float
	var incrementer *big.Float

	if *nIncrements > 0 {
		// using from/iterations flags
		fmt.Printf("encoding: %v from: %v iterations: %v\n", *encodingType, *nFrom, *nIncrements)

		incrementer = newBigFloat(1)
		n := newBigFloat(*nIncrements)
		endLoop = n.Add(n, startingLoop)
	} else {
		// using from/to/by flags
		fmt.Printf("encoding: %v from: %v to: %v by: %v\n", *encodingType, *nFrom, *nTo, *nBy)
		incrementer = newBigFloat(*nBy)
		endLoop = newBigFloat(*nTo)
	}

	for i := startingLoop; i.Cmp(endLoop) < 0; i = i.Add(i, incrementer) {
		nIterations++
		nBytes += runTest(encoderDecoder, i)
	}

	t1 := time.Now()
	d := t1.Sub(t0)
	fmt.Printf("IO  %s (%v nums) in %s (%s/s)\n", humanize.Bytes(nBytes), humanize.Comma(int64(nIterations)), d, humanize.Bytes(uint64(float64(nBytes)/d.Seconds())))
}

func formatStatus(acc diffSummaryProgress, singular, plural string) {
	pluralize := func(singular, plural string, n uint64) string {
		var noun string
		if n != 1 {
			noun = plural
		} else {
			noun = singular
		}
		return fmt.Sprintf("%s %s", humanize.Comma(int64(n)), noun)
	}

	insertions := pluralize("insertion", "insertions", acc.Adds)
	deletions := pluralize("deletion", "deletions", acc.Removes)
	changes := pluralize("change", "changes", acc.Changes)

	oldValues := pluralize(singular, plural, acc.OldSize)
	newValues := pluralize(singular, plural, acc.NewSize)

	status.Printf("%s (%.2f%%), %s (%.2f%%), %s (%.2f%%), (%s vs %s)", insertions, (float64(100*acc.Adds) / float64(acc.OldSize)), deletions, (float64(100*acc.Removes) / float64(acc.OldSize)), changes, (float64(100*acc.Changes) / float64(acc.OldSize)), oldValues, newValues)
}

//FIXME: This needs to be switched to show a "sessions log" from the sqlite database.
func viewLogs(w http.ResponseWriter, r *http.Request) {

	var logPath string

	if _, err := os.Stat("/etc/FlightBox"); !os.IsNotExist(err) {
		logPath = "/root/log/"
	} else { // if not using the FlightBox config, use "normal" log file locations
		logPath = "/var/log/stratux/"
	}

	names, err := ioutil.ReadDir(logPath)
	if err != nil {
		return
	}

	fi := make([]fileInfo, 0)
	for _, val := range names {
		if val.Name()[0] == '.' {
			continue
		} // Remove hidden files from listing

		if !val.IsDir() {
			mtime := val.ModTime().Format("2006-Jan-02 15:04:05")
			sz := humanize.Comma(val.Size())
			fi = append(fi, fileInfo{Name: val.Name(), Mtime: mtime, Size: sz})
		}
	}

	tpl, err := template.New("tpl").Parse(dirlisting_tpl)
	if err != nil {
		return
	}
	data := dirlisting{Name: r.URL.Path, ServerUA: "Stratux " + stratuxVersion + "/" + stratuxBuild,
		Children_files: fi}

	err = tpl.Execute(w, data)
	if err != nil {
		log.Printf("viewLogs() error: %s\n", err.Error())
	}

}

func printStats() {
	statTimer := time.NewTicker(30 * time.Second)
	for {
		<-statTimer.C
		var memstats runtime.MemStats
		runtime.ReadMemStats(&memstats)
		log.Printf("stats [started: %s]\n", humanize.RelTime(time.Time{}, stratuxClock.Time, "ago", "from now"))
		log.Printf(" - CPUTemp=%.02f deg C, MemStats.Alloc=%s, MemStats.Sys=%s, totalNetworkMessagesSent=%s\n", globalStatus.CPUTemp, humanize.Bytes(uint64(memstats.Alloc)), humanize.Bytes(uint64(memstats.Sys)), humanize.Comma(int64(totalNetworkMessagesSent)))
		log.Printf(" - UAT/min %s/%s [maxSS=%.02f%%], ES/min %s/%s\n, Total traffic targets tracked=%s", humanize.Comma(int64(globalStatus.UAT_messages_last_minute)), humanize.Comma(int64(globalStatus.UAT_messages_max)), float64(maxSignalStrength)/10.0, humanize.Comma(int64(globalStatus.ES_messages_last_minute)), humanize.Comma(int64(globalStatus.ES_messages_max)), humanize.Comma(int64(len(seenTraffic))))
		if globalSettings.GPS_Enabled {
			log.Printf(" - Last GPS fix: %s, GPS solution type: %d using %d satellites (%d/%d seen/tracked), NACp: %d, est accuracy %.02f m\n", stratuxClock.HumanizeTime(mySituation.LastFixLocalTime), mySituation.quality, mySituation.Satellites, mySituation.SatellitesSeen, mySituation.SatellitesTracked, mySituation.NACp, mySituation.Accuracy)
			log.Printf(" - GPS vertical velocity: %.02f ft/sec; GPS vertical accuracy: %v m\n", mySituation.GPSVertVel, mySituation.AccuracyVert)
		}
	}
}

func printStats() {
	statTimer := time.NewTicker(30 * time.Second)
	diskUsageWarning := false
	for {
		<-statTimer.C
		var memstats runtime.MemStats
		runtime.ReadMemStats(&memstats)
		log.Printf("stats [started: %s]\n", humanize.RelTime(time.Time{}, stratuxClock.Time, "ago", "from now"))
		log.Printf(" - Disk bytes used = %s (%.1f %%), Disk bytes free = %s (%.1f %%)\n", humanize.Bytes(usage.Used()), 100*usage.Usage(), humanize.Bytes(usage.Free()), 100*(1-usage.Usage()))
		log.Printf(" - CPUTemp=%.02f deg C, MemStats.Alloc=%s, MemStats.Sys=%s, totalNetworkMessagesSent=%s\n", globalStatus.CPUTemp, humanize.Bytes(uint64(memstats.Alloc)), humanize.Bytes(uint64(memstats.Sys)), humanize.Comma(int64(totalNetworkMessagesSent)))
		log.Printf(" - UAT/min %s/%s [maxSS=%.02f%%], ES/min %s/%s, Total traffic targets tracked=%s", humanize.Comma(int64(globalStatus.UAT_messages_last_minute)), humanize.Comma(int64(globalStatus.UAT_messages_max)), float64(maxSignalStrength)/10.0, humanize.Comma(int64(globalStatus.ES_messages_last_minute)), humanize.Comma(int64(globalStatus.ES_messages_max)), humanize.Comma(int64(len(seenTraffic))))
		log.Printf(" - Network data messages sent: %d total, %d nonqueueable.  Network data bytes sent: %d total, %d nonqueueable.\n", globalStatus.NetworkDataMessagesSent, globalStatus.NetworkDataMessagesSentNonqueueable, globalStatus.NetworkDataBytesSent, globalStatus.NetworkDataBytesSentNonqueueable)
		if globalSettings.GPS_Enabled {
			log.Printf(" - Last GPS fix: %s, GPS solution type: %d using %d satellites (%d/%d seen/tracked), NACp: %d, est accuracy %.02f m\n", stratuxClock.HumanizeTime(mySituation.LastFixLocalTime), mySituation.Quality, mySituation.Satellites, mySituation.SatellitesSeen, mySituation.SatellitesTracked, mySituation.NACp, mySituation.Accuracy)
			log.Printf(" - GPS vertical velocity: %.02f ft/sec; GPS vertical accuracy: %v m\n", mySituation.GPSVertVel, mySituation.AccuracyVert)
		}
		// Check if we're using more than 95% of the free space. If so, throw a warning (only once).
		if !diskUsageWarning && usage.Usage() > 95.0 {
			err_p := fmt.Errorf("Disk bytes used = %s (%.1f %%), Disk bytes free = %s (%.1f %%)", humanize.Bytes(usage.Used()), 100*usage.Usage(), humanize.Bytes(usage.Free()), 100*(1-usage.Usage()))
			addSystemError(err_p)
			diskUsageWarning = true
		}
		logStatus()
	}
}