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More accurate TCPing

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Bruce Wayne
2020-11-14 16:22:10 +08:00
parent a58f7c7b98
commit 860482402a
1 changed files with 5 additions and 5 deletions
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10
Netch/Utils/Utils.cs
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@@ -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)