核心 2.2 基础。httpClientHandler 中的 SendAsync 调用不返回

Question

我得到了一个非常简单的httpClientHandler，它不会从调用基返回。发送异步。

我想做的是获取一个身份验证cookie，以便我知道何时刷新CouchDB身份验证。

没有例外或其他任何内容可以指示导致问题的原因。

建议？

下面是调用类：

public StdHttpClient(IConfiguration conf)
{
    configuration = conf;
    Client = new HttpClient(new AuthHandler());
}
public StdHttpClient()
{
    Client = new HttpClient(new AuthHandler());
}
private async Task<Boolean> GetAuthenticationCookie(Credentials credentials)
{
    var authReq = new { name = credentials.username, credentials.password };
    var authReqString = JsonConvert.SerializeObject(authReq);
    var request = new HttpRequestMessage(HttpMethod.Post, sessionUri);
    request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
    request.Content = new StringContent(authReqString);
    request.Content.Headers.ContentType = new 
    MediaTypeHeaderValue("application/json");
    HttpResponseMessage authResult = await Client.SendAsync(request);
    Console.WriteLine("GetAuth" + authResult.ToString()); //doesn't get here
    return authResult.IsSuccessStatusCode;
}

处理程序是：

public class AuthHandler: DelegatingHandler
{
    private readonly int _maximumAmountOfRetries = 3;
    public AuthHandler() : base()
    {
    }
    public AuthHandler(HttpMessageHandler innerHandler) : base(innerHandler)
    {
    }
    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request,
        CancellationToken cancellationToken)
    {
      HttpResponseMessage response = null;
      response = await base.SendAsync(request, cancellationToken);
      Console.WriteLine("got response from sendasync");  //doesn't get here
      Console.WriteLine(response);
      return response;
    }
}

Answer 1

好吧，我很愚蠢。 我试图调用身份验证作为程序启动代码的一部分.cs因此任务是孤立的。

对此感到抱歉。