c# 验证过滤代理IP是否有效

admin · 发表于 2016-5-20 11:22:50

private void 导入IPToolStripMenuItem_Click(object sender, EventArgs e)
{
using (OpenFileDialog Openfile = new OpenFileDialog())
{
Openfile.Filter = "文本文件|*.txt";
Openfile.Multiselect = false;
if (Openfile.ShowDialog() == DialogResult.OK)
{
Thread threadfile = new Thread(() => ReadFileIP(Openfile.FileName)) { IsBackground = true };
threadfile.Start();
}
}
}
/// <summary>
/// 读取txt代理ip
/// </summary>
/// <param name="filename"></param>
private void ReadFileIP(string filename)
{
txtmsg.BeginInvoke(new Action(() =>
{
txtmsg.AppendText("开始导入IP代理!".SetLog());
}));
var file = File.Open(filename, FileMode.Open);
int num = 0;
int goods = 0;
int repeat = 0;
using (var stream = new StreamReader(file))
{
while (!stream.EndOfStream)
{
num++;
string linetemp = stream.ReadLine().Trim().ToLower();
string[] iptxt = linetemp.Split(':');
if (iptxt.Count() == 2)
{
lock (Config.lock_prxoy)
{
var data = Config._prxoyList.Where(m => m.ip == iptxt[0]).FirstOrDefault();
if (data != null)
{
repeat++;
continue;
}
}
goods++;
Model.ProxyIP _proxyip = new Model.ProxyIP();
_proxyip.ip = iptxt[0];
_proxyip.prot = int.Parse(iptxt[1]);
ListViewItem item = new ListViewItem(_proxyip.ip);
item.SubItems.Add(_proxyip.prot.ToString());
item.SubItems.Add("");
listViewIP.Invoke(new Action(() =>
{
ListViewItem itemresult = listViewIP.Items.Add(item);
_dic.Add(_proxyip.ip, itemresult);
//dic.Add(_send.Tel, backitem);
}));
lock (Config.lock_prxoy)
{
Config._prxoyList.Add(_proxyip);
}
}
}
}
txtmsg.Invoke(new Action(() =>
{
string log = string.Format("添加代理IP完成!有效数据为:{0},过滤重复数据:{1},总数据:{2}", goods.ToString(), repeat.ToString(), num.ToString());
txtmsg.AppendText(log.SetLog());
}));
Thread filter = new Thread(new ThreadStart(filterIP)) { IsBackground = true };
filter.Start();
}
private void filterIP()
{
txtmsg.Invoke(new Action(() =>
{
txtmsg.AppendText("正在过滤IP数据！".SetLog());
}));
List<System.Threading.Tasks.Task> TaskList = new List<System.Threading.Tasks.Task>();
lock (Config.lock_prxoy)
{
foreach (Model.ProxyIP _model in Config._prxoyList)
{
var task = System.Threading.Tasks.Task.Factory.StartNew(() =>
{
bool reslut = VerIP(_model.ip, _model.prot);
if (reslut)
{
_model.filter = Model.filterIP.有效;
this.Invoke(new Action(() =>
{
_dic[_model.ip].SubItems[2].Text = "有效";
}));
}
else
{
_model.filter = Model.filterIP.无效;
this.Invoke(new Action(() =>
{
_dic[_model.ip].SubItems[2].Text = "无效";
}));
}
});
TaskList.Add(task);
}
}
System.Threading.Tasks.Task.WaitAll(TaskList.ToArray());
txtmsg.Invoke(new Action(() =>
{
txtmsg.AppendText(Config._prxoyList[0].filter.ToString() + "过滤IP数据完成!".SetLog());
}));
}
private bool VerIP(string ip,int port)
{
try
{
HttpWebRequest Req;
HttpWebResponse Resp;
WebProxy proxyObject = new WebProxy(ip, port);// port为端口号整数型
Req = WebRequest.Create("https://www.baidu.com") as HttpWebRequest;
Req.Proxy = proxyObject; //设置代理
Req.Timeout = 1000; //超时
Resp = (HttpWebResponse)Req.GetResponse();
Encoding bin = Encoding.GetEncoding("UTF-8");
using (StreamReader sr = new StreamReader(Resp.GetResponseStream(), bin))
{
string str = sr.ReadToEnd();
if (str.Contains("百度"))
{
Resp.Close();
return true;
}
else
{
return false;
}
}
}
catch (Exception ex)
{
return false;
}
}
}

复制代码

主要的代码，我就贴上来了，那些model实体的，你们估计也用不到，这个过滤速度很快，哈哈。

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