Rewrite shell signal handling

cmd/go2rtc_hass/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/hass"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func main() {
+	app.Init()
+	streams.Init()
+
+	api.Init()
+
+	hass.Init()
+
+	shell.RunUntilSignal()
+}

cmd/go2rtc_rtsp/main.go

@@ -4,9 +4,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/rtsp"
 	"github.com/AlexxIT/go2rtc/internal/streams"
-	"os"
-	"os/signal"
-	"syscall"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
 )
 
 func main() {
@@ -15,9 +13,5 @@ func main() {
 
 	rtsp.Init()
 
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-	<-sigs
-
-	println("exit OK")
+	shell.RunUntilSignal()
 }

main.go

@@ -28,9 +28,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/tapo"
 	"github.com/AlexxIT/go2rtc/internal/webrtc"
 	"github.com/AlexxIT/go2rtc/internal/webtorrent"
-	"os"
-	"os/signal"
-	"syscall"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
 )
 
 func main() {
@@ -66,9 +64,5 @@ func main() {
 	ngrok.Init()
 	debug.Init()
 
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-	<-sigs
-
-	println("exit OK")
+	shell.RunUntilSignal()
 }

pkg/shell/env.go

@@ -1,32 +0,0 @@
-package shell
-
-import (
-	"os"
-	"regexp"
-	"strings"
-)
-
-func ReplaceEnvVars(text string) string {
-	re := regexp.MustCompile(`\${([^}{]+)}`)
-	return re.ReplaceAllStringFunc(text, func(match string) string {
-		key := match[2 : len(match)-1]
-
-		var def string
-		var dok bool
-
-		if i := strings.IndexByte(key, ':'); i > 0 {
-			key, def = key[:i], key[i+1:]
-			dok = true
-		}
-
-		if value, vok := os.LookupEnv(key); vok {
-			return value
-		}
-
-		if dok {
-			return def
-		}
-
-		return match
-	})
-}

pkg/shell/shell.go

@@ -1,7 +1,11 @@
 package shell
 
 import (
+	"os"
+	"os/signal"
+	"regexp"
 	"strings"
+	"syscall"
 )
 
 func QuoteSplit(s string) []string {
@@ -39,3 +43,34 @@ func QuoteSplit(s string) []string {
 	}
 	return a
 }
+
+func ReplaceEnvVars(text string) string {
+	re := regexp.MustCompile(`\${([^}{]+)}`)
+	return re.ReplaceAllStringFunc(text, func(match string) string {
+		key := match[2 : len(match)-1]
+
+		var def string
+		var dok bool
+
+		if i := strings.IndexByte(key, ':'); i > 0 {
+			key, def = key[:i], key[i+1:]
+			dok = true
+		}
+
+		if value, vok := os.LookupEnv(key); vok {
+			return value
+		}
+
+		if dok {
+			return def
+		}
+
+		return match
+	})
+}
+
+func RunUntilSignal() {
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+	println("exit with signal:", (<-sigs).String())
+}