From 8c8aa1069a5232a4e4d7f61fdbac609504bc879d Mon Sep 17 00:00:00 2001
From: snoop <snoop@loafle.com>
Date: Fri, 9 Jun 2017 18:33:51 +0900
Subject: [PATCH] added   error

---
 gateway/services.go | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/gateway/services.go b/gateway/services.go
index 552b265..49f29b8 100644
--- a/gateway/services.go
+++ b/gateway/services.go
@@ -61,6 +61,8 @@ func (s *ServiceImpl) ExecServices(c context.Context, in *pb.ServiceInput) (*pb.
 	// Check Service Name
 	serviceName, ok := g_services[in.ServiceName]
 
+	log.Println("Service Name : " + in.ServiceName + " MethodName : " + in.MethodName)
+
 	if !ok {
 
 		return nil, errors.New("Not Exist Service Name")
@@ -82,7 +84,20 @@ func (s *ServiceImpl) ExecServices(c context.Context, in *pb.ServiceInput) (*pb.
 	}
 
 	// Todo Call Service Method
-	result := methodName.Call(params)[0].String()
+	results := methodName.Call(params);
+
+	result := results[0].Interface().(string)
+
+	var err error = nil;
+	if len(result) > 1 {
+		obj := results[1].Interface()
+		if obj != nil {
+			log.Println("err : " + err.Error())
+			err = obj.(error)
+			return pbs, err
+		}
+	}
+
 
 	pbs.ResultStr = result