Added prometheus metrics.

writer/go.mod

@@ -11,6 +11,7 @@ require (
 	github.com/gen2brain/aac-go v0.0.0-20230119102159-ef1e76509d21
 	github.com/golang/snappy v1.0.0
 	github.com/pion/rtp v1.8.13
+	github.com/prometheus/client_golang v1.21.1
 	go.uber.org/zap v1.27.0
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -18,13 +19,21 @@ require (
 require (
 	github.com/asticode/go-astikit v0.52.0 // indirect
 	github.com/asticode/go-astits v1.13.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtcp v1.2.15 // indirect
 	github.com/pion/sdp/v3 v3.0.11 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.62.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/zaf/g711 v1.4.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/net v0.37.0 // indirect
 	golang.org/x/sys v0.31.0 // indirect
+	google.golang.org/protobuf v1.36.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 )

writer/go.sum

@@ -7,12 +7,16 @@ github.com/asticode/go-astikit v0.52.0 h1:kTl2XjgiVQhUl1H7kim7NhmTtCMwVBbPrXKqhQ
 github.com/asticode/go-astikit v0.52.0/go.mod h1:fV43j20UZYfXzP9oBn33udkvCvDvCDhzjVqoLFuuYZE=
 github.com/asticode/go-astits v1.13.0 h1:XOgkaadfZODnyZRR5Y0/DWkA9vrkLLPLeeOvDwfKZ1c=
 github.com/asticode/go-astits v1.13.0/go.mod h1:QSHmknZ51pf6KJdHKZHJTLlMegIrhega3LPWz3ND/iI=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bluenviron/gortsplib/v4 v4.12.3 h1:3EzbyGb5+MIOJQYiWytRegFEP4EW5paiyTrscQj63WE=
 github.com/bluenviron/gortsplib/v4 v4.12.3/go.mod h1:SkZPdaMNr+IvHt2PKRjUXxZN6FDutmSZn4eT0GmF0sk=
 github.com/bluenviron/mediacommon v1.14.0 h1:lWCwOBKNKgqmspRpwpvvg3CidYm+XOc2+z/Jw7LM5dQ=
 github.com/bluenviron/mediacommon v1.14.0/go.mod h1:z5LP9Tm1ZNfQV5Co54PyOzaIhGMusDfRKmh42nQSnyo=
 github.com/bluenviron/mediacommon/v2 v2.0.0 h1:JinZ9v2x6QeAOzA0cDA6aFe8vQuCrU8OyWEhG2iNzwY=
 github.com/bluenviron/mediacommon/v2 v2.0.0/go.mod h1:iHEz1SFIet6zBwAQoh1a92vTQ3dV3LpVFbom6/SLz3k=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -22,8 +26,20 @@ github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
 github.com/go-test/deep v1.1.0/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/golang/snappy v1.0.0 h1:Oy607GVXHs7RtbggtPBnr2RmDArIsAefDwvrdWvRhGs=
 github.com/golang/snappy v1.0.0/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
+github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
 github.com/pion/rtcp v1.2.15 h1:LZQi2JbdipLOj4eBjK4wlVoQWfrZbh3Q6eHtWtJBZBo=
@@ -36,6 +52,16 @@ github.com/pkg/profile v1.4.0/go.mod h1:NWz/XGvpEW1FyYQ7fCx4dqYBLlfTcE+A9FLAkNKq
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_golang v1.21.1 h1:DOvXXTqVzvkIewV/CDPFdejpMCGeMcbGCQ8YOmu+Ibk=
+github.com/prometheus/client_golang v1.21.1/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
+github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
+github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
+github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
+github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
+github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
+github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
+github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
@@ -56,8 +82,11 @@ golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
 golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
 golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
 golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

writer/internal/metrics/metrics.go

@@ -0,0 +1,89 @@
+package main
+
+import (
+	"net/http"
+	"runtime"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/collectors"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+//// Пользовательские метрики
+//var (
+//	rtspConnectSuccess = prometheus.NewCounter(prometheus.CounterOpts{
+//		Name: "rtsp_connect_success_total",
+//		Help: "Количество успешных подключений к RTSP источнику.",
+//	})
+//	rtspConnectErrors = prometheus.NewCounter(prometheus.CounterOpts{
+//		Name: "rtsp_connect_errors_total",
+//		Help: "Количество ошибок подключения к RTSP источнику.",
+//	})
+//	rtspBytesRead = prometheus.NewCounter(prometheus.CounterOpts{
+//		Name: "rtsp_bytes_read_total",
+//		Help: "Общее количество байт, прочитанных из RTSP-потоков.",
+//	})
+//	funcDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
+//		Name:    "function_execution_seconds",
+//		Help:    "Время выполнения функций приложения.",
+//		Buckets: prometheus.DefBuckets,
+//	}, []string{"function"})
+//)
+
+func init() {
+	// Регистрируем стандартные метрики Go
+	prometheus.MustRegister(collectors.NewGoCollector())
+	prometheus.MustRegister(collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}))
+
+	//// Регистрируем пользовательские метрики
+	//prometheus.MustRegister(rtspConnectSuccess)
+	//prometheus.MustRegister(rtspConnectErrors)
+	//prometheus.MustRegister(rtspBytesRead)
+	//prometheus.MustRegister(funcDuration)
+}
+
+//func processStream() {
+//	timer := prometheus.NewTimer(funcDuration.WithLabelValues("processStream"))
+//	defer timer.ObserveDuration()
+//
+//	// Пример: имитация подключения к RTSP
+//	if err := connectToRTSP(); err != nil {
+//		rtspConnectErrors.Inc()
+//		return
+//	}
+//	rtspConnectSuccess.Inc()
+//
+//	// Пример: чтение данных
+//	n := readRTSPData()
+//	rtspBytesRead.Add(float64(n))
+//}
+
+//func connectToRTSP() error {
+//	// Логика подключения (пример)
+//	return nil // или вернуть ошибку
+//}
+
+//func readRTSPData() int {
+//	// Логика чтения данных (пример)
+//	// Для демонстрации можно вернуть случайное значение
+//	return 1024
+//}
+
+func metricsHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/plain")
+	// Дополнительно можно вывести информацию о количестве горутин
+	w.Write([]byte("Goroutines: "))
+	w.Write([]byte(string(runtime.NumGoroutine())))
+}
+
+func Metrics() {
+	// Эндпоинт для метрик Prometheus
+	http.Handle("/metrics", promhttp.Handler())
+	// Остальные эндпоинты вашего приложения
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		//processStream()
+		w.Write([]byte("Processing stream..."))
+	})
+
+	http.ListenAndServe(":9100", nil)
+}