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C# 验证过滤代理IP是否有效

来源:互联网 作者:admin 时间:2020-01-08 16:15:04

  

C# 验证过滤代理IP是否有效



  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();

  }

  }

  }

  ///

  /// 读取txt代理ip

  ///

  ///

  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());

  }));

  ListTaskList = new List();

  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;

  }

  }

  }

  


  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