From 860482402a7dc62766fc7c95dfb9b952cb401f1b Mon Sep 17 00:00:00 2001
From: Bruce Wayne <admin@bige0.com>
Date: Sat, 14 Nov 2020 16:22:10 +0800
Subject: [PATCH] More accurate TCPing

---
 Netch/Utils/Utils.cs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Netch/Utils/Utils.cs b/Netch/Utils/Utils.cs
index 386816aa..8062057c 100644
--- a/Netch/Utils/Utils.cs
+++ b/Netch/Utils/Utils.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.Drawing;
@@ -39,12 +39,12 @@ namespace Netch.Utils
         public static async Task<int> TCPingAsync(IPAddress ip, int port, int timeout = 1000, CancellationToken ct = default)
         {
             using var client = new TcpClient(ip.AddressFamily);
+
+            var stopwatch = Stopwatch.StartNew();
+
             var task = client.ConnectAsync(ip, port);
 
-            var stopwatch = new Stopwatch();
-            stopwatch.Start();
-
-            var resTask = await Task.WhenAny(Task.Delay(timeout, ct), task);
+            var resTask = await Task.WhenAny(task, Task.Delay(timeout, ct));
 
             stopwatch.Stop();
             if (resTask == task && client.Connected)