func TestCountersLegacyNamespaceFalse(t *testing.T) {
cnt := counters.New("rates.", "counters.", false, true, true)
dataForGraphite, num := getGraphiteSendForCounter(cnt, "logins:1|c\nlogins:2|c\nlogins:3|c")
assert.Equal(t, num, int64(1))
assert.Equal(t, "counters.logins.count 6 1\nrates.logins.rate 0.6 1\n", dataForGraphite)
}
func TestCountersLegacyNamespaceTrueFlushCountsFalse(t *testing.T) {
cnt := counters.New("stats.", "stats_counts.", true, true, false)
dataForGraphite, num := getGraphiteSendForCounter(cnt, "logins:1|c\nlogins:2|c\nlogins:3|c")
assert.Equal(t, num, int64(1))
assert.Equal(t, "stats.logins 0.6 1\n", dataForGraphite)
}
func BenchmarkSameCountersAddAndProcessLegacy(b *testing.B) {
metrics := getSameCounters(b.N)
b.ResetTimer()
c := counters.New("bar", "", true, true, true)
for i := 0; i < len(metrics); i++ {
c.Add(&metrics[i])
}
c.Process(make([]byte, 0), time.Now().Unix(), 10)
}
func TestMetrics20Count(t *testing.T) {
d := []byte("foo=bar.target_type=count.unit=B:5|c\nfoo=bar.target_type=count.unit=B:10|c")
packets := udp.ParseMessage(d, prefix_internal, output, udp.ParseLine)
c := counters.New("", "", true, true, false)
for _, p := range packets {
c.Add(p)
}
var buf []byte
var num int64
buf, n := c.Process(buf, time.Now().Unix(), 10)
num += n
assert.T(t, strings.Contains(string(buf), "foo=bar.target_type=rate.unit=Bps 1.5"))
}
// metricsMonitor basically guards the metrics datastructures.
// it typically receives metrics on the Metrics channel but also responds to
// external signals and every flushInterval, computes and flushes the data
func (s *StatsDaemon) metricsMonitor() {
period := time.Duration(s.flushInterval) * time.Second
tick := ticker.GetAlignedTicker(s.Clock, period)
var c *counters.Counters
var g *gauges.Gauges
var t *timers.Timers
oneCounter := &common.Metric{
Bucket: fmt.Sprintf("%sdirection_is_in.statsd_type_is_counter.target_type_is_count.unit_is_Metric", s.prefix),
Value: 1,
Sampling: 1,
}
oneGauge := &common.Metric{
Bucket: fmt.Sprintf("%sdirection_is_in.statsd_type_is_gauge.target_type_is_count.unit_is_Metric", s.prefix),
Value: 1,
Sampling: 1,
}
oneTimer := &common.Metric{
Bucket: fmt.Sprintf("%sdirection_is_in.statsd_type_is_timer.target_type_is_count.unit_is_Metric", s.prefix),
Value: 1,
Sampling: 1,
}
initializeCounters := func() {
c = counters.New(s.prefix_rates, s.prefix_counters, s.legacy_namespace, s.flush_rates, s.flush_counts)
g = gauges.New(s.prefix_gauges)
t = timers.New(s.prefix_timers, s.pct)
for _, name := range []string{"timer", "gauge", "counter"} {
c.Add(&common.Metric{
Bucket: fmt.Sprintf("%sdirection_is_in.statsd_type_is_%s.target_type_is_count.unit_is_Metric", s.prefix, name),
Sampling: 1,
})
}
}
initializeCounters()
for {
select {
case sig := <-s.signalchan:
switch sig {
case syscall.SIGTERM, syscall.SIGINT:
fmt.Printf("!! Caught signal %s... shutting down\n", sig)
s.submitFunc(c, g, t, s.Clock.Now().Add(period))
return
default:
fmt.Printf("unknown signal %s, ignoring\n", sig)
}
case <-tick.C:
go func(c *counters.Counters, g *gauges.Gauges, t *timers.Timers) {
s.submitFunc(c, g, t, s.Clock.Now().Add(period))
s.events.Broadcast <- "flush"
}(c, g, t)
initializeCounters()
tick = ticker.GetAlignedTicker(s.Clock, period)
case metrics := <-s.Metrics:
for _, m := range metrics {
if m.Modifier == "ms" {
t.Add(m)
c.Add(oneTimer)
} else if m.Modifier == "g" {
g.Add(m)
c.Add(oneGauge)
} else {
c.Add(m)
c.Add(oneCounter)
}
}
}
}
}
