修正tcping逻辑

* 当IP地址存在反向解析结果（例 [xxx].members.linode.com），会连接反向域名的IP地址池，可能导致测速IPv4服务器时连接到IPv6地址并且失败。
wqy1996 · Feb 20, 2020 · a62f375 · a62f375
1 parent 7cf6ab4
commit a62f375
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/v2rayN/v2rayN/Handler/SpeedtestHandler.cs b/v2rayN/v2rayN/Handler/SpeedtestHandler.cs
@@ -253,8 +253,12 @@ private int GetTcpingTime(string url, int port)
 
             try
             {
-                IPHostEntry ipHostInfo = System.Net.Dns.GetHostEntry(url);
-                IPAddress ipAddress = ipHostInfo.AddressList[0];
+                IPAddress ipAddress;
+                if (!System.Net.IPAddress.TryParse(url, out ipAddress))
+                {
+                    IPHostEntry ipHostInfo = System.Net.Dns.GetHostEntry(url);
+                    ipAddress = ipHostInfo.AddressList[0];
+                }
 
                 var timer = new Stopwatch();
                 timer.Start();