/// <summary>
/// 发送Http请求
/// </summary>
/// <typeparam name="T">序列化类型</typeparam>
/// <param name="request">请求对象</param>
/// <returns></returns>
public async static Task <T> SendAsync <T>(this tsdnHttpRequest request)
{
var r = await SendAsync(request);
if (r.IsSuccessStatusCode)
{
return(await JsonFormat <T>(r));
}
throw new Exception($"{request.Method.ToString()}请求{request.AddressUrl},参数{JsonConvert.SerializeObject(request.Body)}，服务器响应码{Convert.ToInt32(r.StatusCode)}({r.ReasonPhrase})");
}
private static HttpRequestMessage GetHttpRequestMessage(tsdnHttpRequest request)
{
var requestMessage = new HttpRequestMessage();
var requestMethod = request.Method;
if (requestMethod != HttpMethod.Get &&
requestMethod != HttpMethod.Head &&
requestMethod != HttpMethod.Trace &&
request.Body != null
)
{
HttpContent content = null;
if (request.MediaType == "application/json")
{
content = new StringContent(JsonConvert.SerializeObject(request.Body), Encoding.UTF8, request.MediaType);
}
else if (request.MediaType == "application/x-www-form-urlencoded")
{
content = new FormUrlEncodedContent(request.Body as IEnumerable <KeyValuePair <string, string> >);
}
requestMessage.Content = content;
}
Uri uri = new Uri(request.AddressUrl, UriKind.RelativeOrAbsolute);
var proxyOption = uri.PathAndQuery.MatchProxyRule();
if (proxyOption != null)
{
uri = new Uri(UriHelper.BuildAbsolute(
proxyOption.Uri.Scheme,
new HostString(proxyOption.Uri.Authority),
proxyOption.Uri.AbsolutePath,
uri.AbsolutePath,
new QueryString(uri.Query).Add(new QueryString(proxyOption.Uri.Query)))
);
}
requestMessage.Headers.Host = uri.Authority;
requestMessage.RequestUri = uri;
requestMessage.Method = requestMethod;
if (!string.IsNullOrEmpty(request.Token))
{
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Basic", request.Token);
}
request.RequestSet?.Invoke(requestMessage);
return(requestMessage);
}
/// <summary>
/// 发送Http请求
/// </summary>
/// <param name="request">请求对象</param>
/// <returns></returns>
public async static Task <HttpResponseMessage> SendAsync(this tsdnHttpRequest request)
{
var client = CreateClient(request);
var requestMessage = GetHttpRequestMessage(request);
var httpRequestPolicy = Policy.HandleResult <HttpResponseMessage>(r => r.StatusCode == HttpStatusCode.NotFound)
.WaitAndRetryAsync(3, retryAttempt =>
TimeSpan.FromSeconds(retryAttempt));
try
{
return(await httpRequestPolicy.ExecuteAsync(() =>
client.SendAsync(requestMessage, HttpCompletionOption.ResponseContentRead, CancellationToken.None)));
}
catch (Exception e)
{
throw new Exception($"{request.Method.ToString()}请求{request.AddressUrl},参数{JsonConvert.SerializeObject(request.Body)}发生异常,{e.Message}", e);
}
}
/// <summary>
/// 创建HttpClient
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private static HttpClient CreateClient(tsdnHttpRequest request)
{
//_client.Timeout = TimeSpan.FromMilliseconds(request.TimeOutMilSeconds);
//_client.DefaultRequestHeaders.Connection.Add("keep-alive");
return(_client);
}
