我必须建立一个HttpListener
,它将等待客户端服务器发出的请求。我必须在端口8088上接收该请求并提取查询字符串。这是很容易的部分。HttpListener问题
我在windows服务中运行HttpListener
。我无法让它正确启动。我构建安装项目在我们的服务器上安装服务,并且它永远不会启动。我怀疑我的代码存在错误。
HttpListenerClass:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Threading;
namespace lalalolo
{
class HttpListenerClass
{
bool keepAlive = true;
public void AddToFile(string contents)
{
var fs = new FileStream(@"C:\HttpListenerserv.txt", FileMode.OpenOrCreate, FileAccess.Write);
var sw = new StreamWriter(fs);
sw.BaseStream.Seek(0, SeekOrigin.End);
sw.WriteLine(contents);
sw.Flush();
sw.Close();
}
private HttpListener listener;
public HttpListenerClass()
{
ThreadPool.SetMaxThreads(50, 100);
ThreadPool.SetMinThreads(50, 50);
listener = new HttpListener();
listener.Prefixes.Add("http://*:8088/");
}
public void Start()
{
listener.Start();
if(keepalive == true){
{
try
{
HttpListenerContext ctx = listener.GetContext();
ThreadPool.QueueUserWorkItem(new WaitCallback(ProcessRequest), ctx);
}
catch(Exception ex)
{
AddToFile(ex.Message);
}
}
}
}
public void Stop()
{
listener.Stop();
keepalive == false;
}
public void ProcessRequest(object listenerContext)
{
try
{
var context = (HttpListenerContext)listenerContext;
string QS = context.Request.QueryString["ID"];
AddToFile(QS);
}
catch(Exception ex)
{
AddToFile(ex.Message);
}
}
}
}
Service1.cs:
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.ServiceProcess;
using System.Text;
using System.Threading;
namespace lalalolo
{
public partial class HttpListenerTest1 : ServiceBase
{
HttpListenerClass HTTP = new HttpListenerClass();
public void AddToFile(string contents)
{
var fs = new FileStream(@"C:\HttpListenerserv.txt", FileMode.OpenOrCreate, FileAccess.Write);
var sw = new StreamWriter(fs);
sw.BaseStream.Seek(0, SeekOrigin.End);
sw.WriteLine(contents);
sw.Flush();
sw.Close();
}
public HttpListenerTest1()
{
InitializeComponent();
}
protected override void OnStart(string[] args)
{
HTTP.Start();
}
protected override void OnStop()
{
HTTP.Stop();
}
}
}
我在做什么错?
谢谢你们!
查看事件日志并发布您在此处看到的错误。 – Aliostad 2011-03-30 11:59:03
当你说“永不开始”,你能更具体吗?你打算怎么开始它?它是否因错误而失败?该错误是否在控制台或事件查看器中可见?也许把所有的东西都包装在try/catch中,并在任何地方写出任何异常来看看是否能够解决这个问题? – David 2011-03-30 12:01:12
当两个线程同时进入AddToFile()方法时,会发生什么情况会非常令人兴奋。 ;) – 2011-03-30 12:44:04