func graphite(c *GraphiteConfig) error {
now := time.Now().Unix()
du := float64(c.DurationUnit)
conn, err := net.DialTCP("tcp", nil, c.Addr)
if nil != err {
return err
}
defer conn.Close()
w := bufio.NewWriter(conn)
c.Registry.Each(func(name string, i interface{}) {
k := c.Prefix + name
switch metric := i.(type) {
case Counter:
fmt.Fprintf(w, "%s %d %d\n", m2.Counter(k, ""), metric.Count(), now)
case Gauge:
fmt.Fprintf(w, "%s %d %d\n", m2.Gauge(k, ""), metric.Value(), now)
case GaugeFloat64:
fmt.Fprintf(w, "%s %f %d\n", m2.Gauge(k, ""), metric.Value(), now)
case Histogram:
h := metric.Snapshot()
ps := h.Percentiles(c.Percentiles)
fmt.Fprintf(w, "%s %d %d\n", m2.CountMetric(k, ""), h.Count(), now)
fmt.Fprintf(w, "%s %d %d\n", m2.Min(k, "", "", ""), h.Min(), now)
fmt.Fprintf(w, "%s %d %d\n", m2.Max(k, "", "", ""), h.Max(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "", "", ""), h.Mean(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Std(k, "", "", ""), h.StdDev(), now)
for psIdx, psKey := range c.Percentiles {
pct := strings.Replace(strconv.FormatFloat(psKey*100.0, 'f', -1, 64), ".", "", 1)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Max(k, "", pct, ""), ps[psIdx], now)
}
case Meter:
m := metric.Snapshot()
fmt.Fprintf(w, "%s %d %d\n", m2.CountMetric(k, ""), m.Count(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "1m", "", "60"), m.Rate1(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "5m", "", "300"), m.Rate5(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "15m", "", "900"), m.Rate15(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "start", "", "start"), m.RateMean(), now)
case Timer:
t := metric.Snapshot()
ps := t.Percentiles(c.Percentiles)
fmt.Fprintf(w, "%s %d %d\n", m2.CountMetric(k, ""), t.Count(), now)
fmt.Fprintf(w, "%s %d %d\n", m2.Min(k, "", "", ""), t.Min()/int64(du), now)
fmt.Fprintf(w, "%s %d %d\n", m2.Max(k, "", "", ""), t.Max()/int64(du), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "", "", ""), t.Mean()/du, now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Std(k, "", "", ""), t.StdDev()/du, now)
for psIdx, psKey := range c.Percentiles {
pct := strings.Replace(strconv.FormatFloat(psKey*100.0, 'f', -1, 64), ".", "", 1)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Max(k, "", pct, ""), ps[psIdx], now)
}
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "1m", "", "60"), t.Rate1(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "5m", "", "300"), t.Rate5(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "15m", "", "900"), t.Rate15(), now)
fmt.Fprintf(w, "%s %.2f %d\n", m2.Mean(k, "start", "", "start"), t.RateMean(), now)
}
w.Flush()
})
return nil
}
// Process puts gauges in the outbound buffer
func (g *Gauges) Process(buf []byte, now int64, interval int) ([]byte, int64) {
var num int64
for key, val := range g.Values {
buf = common.WriteFloat64(buf, []byte(m20.Gauge(key, g.prefix)), val, now)
num++
}
return buf, num
}