From 90d6ba0c8fe689b177df9175e85db74b94dcfe95 Mon Sep 17 00:00:00 2001
From: "jaehoon.hyun" <jaehoon.hyun@samsung.com>
Date: Wed, 24 Apr 2019 15:13:38 +0900
Subject: [PATCH] common.go : enhancement error handling

GetOutBoundIP occurred 2 types error
- ErrorTurnOffWifi
- ErrorDisconnectWifi

Change-Id: I1a65704cc5c59c18ddc097b9e754ee318519c32a
---
 src/common/common.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/common/common.go b/src/common/common.go
index 00c6d34..30f1683 100755
--- a/src/common/common.go
+++ b/src/common/common.go
@@ -17,7 +17,7 @@
 package common
 
 import (
-	"errors"
+	"errormsg"
 	"log"
 	"net"
 )
@@ -29,20 +29,25 @@ func GetOutboundIP() (addr string, err error) {
 	if err != nil {
 		return
 	}
+	err = errormsg.ToError(errormsg.ErrorTurnOffWifi)
+
 	for _, iface := range ifaces {
 		if iface.Name[0:2] == "wl" {
+			err = errormsg.ToError(errormsg.ErrorDisconnectWifi)
+
 			addrs, _ := iface.Addrs()
 			for _, address := range addrs {
 				if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
 					if ipnet.IP.To4() != nil {
 						addr = ipnet.IP.String()
+						err = nil
 						return
 					}
 				}
 			}
 		}
 	}
-	return "", errors.New("No interface named wl")
+	return "", err
 }
 
 func CheckError(err error) bool {
-- 
2.7.4