ServicePoint.BindIPEndPointDelegate冻结http请求

本文介绍了ServicePoint.BindIPEndPointDelegate冻结http请求的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我的服务器上有2个IP地址。默认情况下，第一个接口的ip用于每个应用程序。但是我希望将我的c＃程序绑定到另一个ip。我使用来自
此代码的代码选择
应用程序的众多Internet连接之一 &NBSP ;.一切正常，但有一刻。默认情况下，我的简单http请求比绑定更快超过
50ms。为什么这样？我怀疑是因为我使用 BindIPEndPointDelegate ，
但我不明白为什么。

UseIP ip = new UseIP("10.8.17.245");

HttpWebRequest req = ip.CreateWebRequest(new Uri("https://api.binance.com/api/v1/ticker/24hr?symbol=BTCUSDT"));
using(WebResponse response = req.GetResponse()) {
 Stream dataStream = response.GetResponseStream();
 StreamReader reader = new StreamReader(dataStream);
 string responseFromServer = reader.ReadToEnd();
}

public class UseIP {
 public string IP {
  get;
  private set;
 }

 public UseIP(string IP) {
  this.IP = IP;
 }

 public HttpWebRequest CreateWebRequest(Uri uri) {
  ServicePoint servicePoint = ServicePointManager.FindServicePoint(uri);
  servicePoint.BindIPEndPointDelegate = (servicePoint1, remoteEndPoint, retryCount) => {
   IPAddress address = IPAddress.Parse(this.IP);
   return new IPEndPoint(address, 0);
  };

  //Will cause bind to be called periodically
  servicePoint.ConnectionLeaseTimeout = 0;

  HttpWebRequest req = (HttpWebRequest) WebRequest.Create(uri);
  //will cause bind to be called for each request (as long as the consumer of the request doesn't set it back to true!
  req.KeepAlive = false;

  return req;
 }

推荐答案

UseIP ip = new UseIP("10.8.17.245");

HttpWebRequest req = ip.CreateWebRequest(new Uri("https://api.binance.com/api/v1/ticker/24hr?symbol=BTCUSDT"));
using(WebResponse response = req.GetResponse()) {
 Stream dataStream = response.GetResponseStream();
 StreamReader reader = new StreamReader(dataStream);
 string responseFromServer = reader.ReadToEnd();
}

public class UseIP {
 public string IP {
  get;
  private set;
 }

 public UseIP(string IP) {
  this.IP = IP;
 }

 public HttpWebRequest CreateWebRequest(Uri uri) {
  ServicePoint servicePoint = ServicePointManager.FindServicePoint(uri);
  servicePoint.BindIPEndPointDelegate = (servicePoint1, remoteEndPoint, retryCount) => {
   IPAddress address = IPAddress.Parse(this.IP);
   return new IPEndPoint(address, 0);
  };

  //Will cause bind to be called periodically
  servicePoint.ConnectionLeaseTimeout = 0;

  HttpWebRequest req = (HttpWebRequest) WebRequest.Create(uri);
  //will cause bind to be called for each request (as long as the consumer of the request doesn't set it back to true!
  req.KeepAlive = false;

  return req;
 }

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