csharp 遍历网络故障异常的C＃异常

Posted 2021-05-12

public static class ExceptionExtensions
    {
        public static IEnumerable<Exception> TraverseTree(this Exception ex)
        {
            yield return ex;

            while (ex.InnerException != null)
            {
                ex = ex.InnerException;
                yield return ex;
            }
        }

        public static bool IsNetworkFailure(this Exception ex)
        {
            return ex.TraverseTree().Any(
                       exc => exc is System.Net.Http.HttpRequestException
                       || exc is System.Net.Sockets.SocketException
                       || exc is System.Net.WebException);
        }
    }