metrics: avoid sprintf
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parent
3b04ba36c3
commit
9b052f1cdc
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@ -2,10 +2,10 @@ package metrics
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import (
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"context"
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"fmt"
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"io"
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"net"
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"net/http"
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"strconv"
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"sync/atomic"
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"time"
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@ -17,6 +17,11 @@ const (
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address = ":9998"
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)
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func formatMetric(key string, value int64, nowUnix int64) string {
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return key + " " + strconv.FormatInt(value, 10) + " " +
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strconv.FormatInt(nowUnix, 10) + "\n"
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}
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// Parent is implemented by program.
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type Parent interface {
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Log(logger.Level, string, ...interface{})
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@ -69,7 +74,7 @@ func (m *Metrics) run() {
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}
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func (m *Metrics) onMetrics(w http.ResponseWriter, req *http.Request) {
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now := time.Now().UnixNano() / 1000000
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nowUnix := time.Now().UnixNano() / 1000000
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countClients := atomic.LoadInt64(m.stats.CountClients)
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countPublishers := atomic.LoadInt64(m.stats.CountPublishers)
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@ -80,20 +85,20 @@ func (m *Metrics) onMetrics(w http.ResponseWriter, req *http.Request) {
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countSourcesRtmpRunning := atomic.LoadInt64(m.stats.CountSourcesRtmpRunning)
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out := ""
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out += fmt.Sprintf("rtsp_clients{state=\"idle\"} %d %v\n",
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countClients-countPublishers-countReaders, now)
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out += fmt.Sprintf("rtsp_clients{state=\"publishing\"} %d %v\n",
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countPublishers, now)
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out += fmt.Sprintf("rtsp_clients{state=\"reading\"} %d %v\n",
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countReaders, now)
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out += fmt.Sprintf("rtsp_sources{type=\"rtsp\",state=\"idle\"} %d %v\n",
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countSourcesRtsp-countSourcesRtspRunning, now)
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out += fmt.Sprintf("rtsp_sources{type=\"rtsp\",state=\"running\"} %d %v\n",
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countSourcesRtspRunning, now)
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out += fmt.Sprintf("rtsp_sources{type=\"rtmp\",state=\"idle\"} %d %v\n",
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countSourcesRtmp-countSourcesRtmpRunning, now)
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out += fmt.Sprintf("rtsp_sources{type=\"rtmp\",state=\"running\"} %d %v\n",
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countSourcesRtmpRunning, now)
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out += formatMetric("rtsp_clients{state=\"idle\"}",
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countClients-countPublishers-countReaders, nowUnix)
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out += formatMetric("rtsp_clients{state=\"publishing\"}",
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countPublishers, nowUnix)
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out += formatMetric("rtsp_clients{state=\"reading\"}",
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countReaders, nowUnix)
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out += formatMetric("rtsp_sources{type=\"rtsp\",state=\"idle\"}",
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countSourcesRtsp-countSourcesRtspRunning, nowUnix)
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out += formatMetric("rtsp_sources{type=\"rtsp\",state=\"running\"}",
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countSourcesRtspRunning, nowUnix)
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out += formatMetric("rtsp_sources{type=\"rtmp\",state=\"idle\"}",
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countSourcesRtmp-countSourcesRtmpRunning, nowUnix)
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out += formatMetric("rtsp_sources{type=\"rtmp\",state=\"running\"}",
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countSourcesRtmpRunning, nowUnix)
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w.WriteHeader(http.StatusOK)
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io.WriteString(w, out)
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