微型玩具长连接简单测试工具

本文章为本人个人博客相应文章的镜像：

原文地址： http://www.greatony.com/index.php/2010/02/25/mini-toy-long-connection-tester/

好吧，我承认我起了个很罗嗦的名字。

事实是这样的，今天研究mochiweb，然后利用mochiweb写了一个长连接web服务器用以实现游戏中的聊天功能。

写到一半的时候，当然要弄个小测试自high一下啦，于是就有了这个“微型玩具长连接简单测试工具”，写的非常简单粗暴，大家就当玩笑看看吧：

1 using System;
2 using System.Net;
3 using System.Threading;
4
5 namespace AutoLongConnectionTester
6 {
7 class Program
8 {
9 // The service url
private const string ServiceUrl = "http://192.168.0.104:8000/msg/get";

// The supposed response
private const string SupposedResponse = "Hello, world";

// Concurrent connection count
private const int RequestCount = 10000;

// Global lock
private static readonly object Lock = new object();

// The number of requests in progress
private static int _requesting = 0;

// The number of successful requests
private static int _succeed = 0;

// The number of failed requests
private static int _failed = 0;

static void Main(string[] args)
{
// prelimit the number of connections per domain limitation (the original value is 2,
// which specified in the HTTP 1.1 specification)
ServicePointManager.DefaultConnectionLimit = 30000;

// create request with asynchronize network io api
for(var i = 0; i < RequestCount; i++)
{
var webClient = new WebClient();
webClient.DownloadStringCompleted += WebClientDownloadStringCompleted;
webClient.DownloadStringAsync(new Uri(ServiceUrl));

lock(Lock)
{
_requesting++;
}
}

Action writeStatus = () => Console.Write("\rRequesting: {0,8}, Succeed: {1,8}, Failed: {2,8}", _requesting, _succeed, _failed);

// loop while some of the requests are still in progress
while(_requesting > 0)
{
writeStatus();
Thread.Sleep(100);
}

// finished write the final result
writeStatus();
}

static void WebClientDownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
lock (Lock)
{
_requesting--;
if (e.Error != null || e.Result != SupposedResponse)
_failed++;
else
_succeed++;
}
}
}
}