feat: fix StopOldInstance bug to check gateway ports before binding (#104)

Author: Copilot

main.go

@@ -68,14 +68,41 @@ func main() {
 	}
 	beego.BConfig.WebConfig.Session.SessionGCMaxLifetime = 3600 * 24 * 365
 
-	service.Start()
-
 	port := beego.AppConfig.DefaultInt("httpport", 17000)
 
-	err := util.StopOldInstance(port)
+	// Stop old instances on all ports before starting new services
+	// Check gateway ports first since they bind first in service.Start()
+	gatewayEnabled, err := beego.AppConfig.Bool("gatewayEnabled")
 	if err != nil {
 		panic(err)
 	}
 
+	if gatewayEnabled {
+		gatewayHttpPort, err := beego.AppConfig.Int("gatewayHttpPort")
+		if err != nil {
+			panic(err)
+		}
+		err = util.StopOldInstance(gatewayHttpPort)
+		if err != nil {
+			panic(err)
+		}
+
+		gatewayHttpsPort, err := beego.AppConfig.Int("gatewayHttpsPort")
+		if err != nil {
+			panic(err)
+		}
+		err = util.StopOldInstance(gatewayHttpsPort)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	err = util.StopOldInstance(port)
+	if err != nil {
+		panic(err)
+	}
+
+	service.Start()
+
 	beego.Run(fmt.Sprintf(":%v", port))
 }