Plugging in main

cmd/broadcast/main.go

@@ -21,8 +21,11 @@ import (
 var (
 	debug    = flag.Bool("debug", false, "Enable debug logging")
 	addr     = flag.String("addr", ":8080", "Address to bind to, in the 'ipaddress:port' format")
+	startNow = flag.Bool("start", false, "If set, try to start the process now")
 	tlsCert  = flag.String("tls-cert", "", "Path to certificate file for TLS connection")
 	tlsKey   = flag.String("tls-key", "", "Path to key file for TLS connection")
+	systemd  = flag.Bool("systemd", false, "Interpret as systemd unit")
+	user     = flag.Bool("systemd-as-user", false, "Connect to systemd via DBus as current user")
 )
 
 func main() {
@@ -41,10 +44,26 @@ func main() {
 		logger.SetLevel(logz.LogDebug)
 	}
 
-	prog := flag.Arg(0)
-	cmdLine := flag.Args()[1:]
+	runnableName := flag.Arg(0)
 
-	radio, err := broadcast.NewRadio(logger, prog, cmdLine...)
+	var runnable broadcast.Runnable
+	var err error
+
+	if *systemd {
+		runnable = broadcast.NewSystemdUnit(logger, runnableName, *user)
+	} else {
+		cmdLine := flag.Args()[1:]
+		runnable, err = broadcast.NewProcess(logger, runnableName, cmdLine...)
+	}
+	if err != nil {
+		logger.Err(map[string]any{
+			"msg": "Failed to create runnable process",
+			"err": err.Error(),
+		})
+		os.Exit(2)
+	}
+
+	radio, err := broadcast.NewRadio(logger, runnable)
 	if err != nil {
 		logger.Err(map[string]any{
 			"msg": "Failed to start",
@@ -83,15 +102,6 @@ func main() {
 						"context": "os",
 					})
 				}
-			}
-		}
-	}()
-
-	go func() {
-		for {
-			select {
-			case <-ctx.Done():
-				return
 			case <-stop:
 				resp := <-radio.Stop()
 				if resp != nil {
@@ -106,15 +116,6 @@ func main() {
 						"context": "os",
 					})
 				}
-			}
-		}
-	}()
-
-	go func() {
-		for {
-			select {
-			case <-ctx.Done():
-				return
 			case <-status:
 				resp := <-radio.Status()
 				for i, line := range resp.([]string) {
@@ -128,6 +129,7 @@ func main() {
 		}
 	}()
 
+	if *startNow {
 		go func() {
 			resp, err := withTimeout(ctx, radio.Start())
 			if err != nil {
@@ -146,6 +148,7 @@ func main() {
 				}
 			}
 		}()
+	}
 
 	handler, err := setupHandler(radio, logger, *addr)
 	if err != nil {