From 517dc58485184793c1436e78aeca472c9fc36c1b Mon Sep 17 00:00:00 2001
From: GuanZhenwei <openglnewbee@163.com>
Date: Thu, 28 Jun 2018 18:41:52 +0800
Subject: [PATCH] comments added

---
 RealReachability/RealReachability.h | 16 +++++++++++-----
 RealReachability/RealReachability.m |  3 ---
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/RealReachability/RealReachability.h b/RealReachability/RealReachability.h
index f83c7e4..c1cad1f 100755
--- a/RealReachability/RealReachability.h
+++ b/RealReachability/RealReachability.h
@@ -1,6 +1,6 @@
 //
 //  RealReachability.h
-//  Version 1.1.9
+//  Version 1.3.0
 //
 //  Created by Dustturtle on 16/1/9.
 //  Copyright (c) 2016 Dustturtle. All rights reserved.
@@ -120,10 +120,16 @@ typedef NS_ENUM(NSInteger, WWANAccessType) {
  */
 - (WWANAccessType)currentWWANtype;
 
-// Sometimes people use VPN on the device.
-// In this situation we need to ignore the ping error.(VPN usually do not support ICMP.)
-// 目前内部使用轮询来实现，并没有监听，如果谁知道如何监听，请告诉我:)。
-//
+/**
+ *  Sometimes people use VPN on the device.
+ *  In this situation we need to ignore the ping error.
+ *  (VPN usually do not support ICMP.)
+ *
+ *  @return current VPN status: YES->ON, NO->OFF.
+ *
+ *  This method can be used to improve app's further network performance
+ *  (different strategies for different WWAN types).
+ */
 - (BOOL)isVPNOn;
 
 @end
diff --git a/RealReachability/RealReachability.m b/RealReachability/RealReachability.m
index 767ccd4..42059a0 100755
--- a/RealReachability/RealReachability.m
+++ b/RealReachability/RealReachability.m
@@ -474,9 +474,6 @@ - (void)localConnectionHandler:(NSNotification *)notification
     }
 }
 
-// TODO: 这里比较特别；最终决定采用提供一个外部调用方法；不提供kvo；整合应用内部的状态变化的通知提供到外部。
-// 这样一个综合的策略来实现。 kvo不适合用在这里，只有get方法会操作数据(没有真正意义上的set)。
-// 而如果获取用一个方法，而kvo又是另外一个的话又会很怪异.
 - (BOOL)isVPNOn
 {
     BOOL flag = NO;