add socket server

cmd/start.go

@@ -66,7 +66,7 @@ func start(cmd *cobra.Command, args []string) {
 	// `signal.Notify` registers the given channel to
 	// receive notifications of the specified signals.
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-	run = true
+	utils.ServerRunning = true
 
 	// This goroutine executes a blocking receive for
 	// signals. When it gets one it'll print it out
@@ -83,7 +83,9 @@ func start(cmd *cobra.Command, args []string) {
 	// expected signal (as indicated by the goroutine
 	// above sending a value on `done`) and then exit.
 	fmt.Println("awaiting signal")
-	for run {
+	_ = utils.InitDb(dbFile, dbInit)
+	utils.Listen(socketAddress)
+	for utils.ServerRunning {
 		if !utils.IsPortOpen() {
 			log.Println("try to open port")
 			err := utils.OpenPort(device, baudrate, bytesize)