zoukankan      html  css  js  c++  java
  • Net中HttpClient 重试

    /// <summary>
            /// 重试
            /// </summary>
            public class RetryHandler : DelegatingHandler
            {
                private const int maxRetries = 3;

                /// <summary>
                /// 重试
                /// </summary>
                /// <param name="innerHandler"></param>
                public RetryHandler(HttpMessageHandler innerHandler)
                    : base(innerHandler)
                { }
                /// <summary>
                /// 重试
                /// </summary>
                /// <param name="request"></param>
                /// <param name="cancellationToken"></param>
                /// <returns></returns>
                protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
                {
                    HttpResponseMessage response = null;
                    for (int i = 0; i < maxRetries; i++)
                    {
                        response = await base.SendAsync(request, cancellationToken);
                        if (response.IsSuccessStatusCode)
                        {
                            return response;
                        }
                    }

                    return response;
                }
            }

     

    使用:

    var client = new HttpClient(new RetryHandler(new HttpClientHandler())

  • 相关阅读:
    RedHat/CentOS根目录扩容
    VNC安装配置
    网络命名空间
    Linux 端口信息查看
    Linux实际常用命令
    yum的配置文件介绍
    Linux下查/删/替 命令(转)
    CentOS/redhat使用光盘镜像源
    数据库的附加和分离
    Corrupted Metadata/failed to mount /sysroot
  • 原文地址:https://www.cnblogs.com/94cool/p/5923627.html
Copyright © 2011-2022 走看看