/// <summary>
/// 获取相应对象
/// </summary>
/// <returns></returns>
public HttpWebResponse GetResponse()
{
var timer = Stopwatch.StartNew();
string[] ms = new string[3];
if (Encoding == null)
{
Encoding = Encoding.UTF8;
}
ResponseCode = 0;
Exception = null;
Uri uri = GetFullUrl();
Trace.WriteLine(uri.ToString(), "HttpRequest.Url");
var www = WebRequest.CreateHttp(uri);
if (uri.Scheme == Uri.UriSchemeHttps)
{
www.ProtocolVersion = HttpVersion.Version10;
}
www.CookieContainer = Cookie;
www.Timeout = (int)Timeout.TotalMilliseconds;
Headers.SetHeaders(www);
www.Method = GetMethod();
www.KeepAlive = KeepAlive;
try
{
_Abort = www.Abort;
_RequestCreated = DateTime.Now;
if (_FormBody != null)
{
FormBody.SetHeaders(www, Encoding);
var formdata = FormBody.GetBytes(Encoding);
www.ContentLength = formdata.Length;
if (formdata.Length > 0)
{
using (var req = www.GetRequestStream())
{
if (req.CanTimeout)
{
req.WriteTimeout = 3000;
}
req.Write(formdata, 0, formdata.Length);
}
}
}
else
{
www.ContentLength = 0;
}
ms[0] = "set data:" + timer.ElapsedMilliseconds;
timer.Restart();
_RequestCreated = DateTime.Now;
var res = (HttpWebResponse)www.GetResponse();
_Abort = null;
ms[1] = "response:" + timer.ElapsedMilliseconds;
timer.Restart();
www.CookieContainer = new CookieContainer();
www.CookieContainer.Add(res.Cookies);
Headers.Clear();
Headers.Add(res.Headers);
ResponseCode = res.StatusCode;
return(res);
}
catch (WebException ex)
{
_Abort = null;
Exception = ex;
Trace.WriteLine(ex.Message, "HttpRequest.Error");
var res = ex.Response as HttpWebResponse;
ms[1] = "error:" + timer.ElapsedMilliseconds;
timer.Restart();
if (res != null)
{
www.CookieContainer = new CookieContainer();
www.CookieContainer.Add(res.Cookies);
Headers.Clear();
Headers.Add(res.Headers);
ResponseCode = res.StatusCode;
return(res);
}
else
{
ResponseCode = (HttpStatusCode)ex.Status;
return(null);
}
throw;
}
finally
{
ms[2] = "end:" + timer.ElapsedMilliseconds;
Trace.WriteLine(ResponseCode, "HttpRequest.StatusCode");
Trace.WriteLine(string.Join("; ", ms), "HttpRequest.Timing");
}
}
/// <summary>
/// 获取相应对象
/// </summary>
/// <returns></returns>
public async Task <HttpResponseMessage> GetResponse()
{
var timer = Stopwatch.StartNew();
long pre = 0,
setheader = 0,
setbody = 0,
res = 0,
acceptcookie = 0,
acceptheader = 0,
error = 0,
end = 0;
if (Encoding == null)
{
Encoding = Encoding.UTF8;
}
if (PreRequest != null)
{
await PreRequest.ConfigureAwait(false);
PreRequest = null;
pre = timer.ElapsedMilliseconds;
timer.Restart();
}
ResponseCode = 0;
Exception = null;
Uri uri = GetFullUrl();
Trace.WriteLine(uri.ToString(), "HttpRequest.Url");
var cancel = new CancellationTokenSource(Timeout);
try
{
_Abort = cancel.Cancel;
var message = new HttpRequestMessage(GetHttpMethod(), uri);
if (Cookie?.Count > 0)
{
message.Headers.Add("Cookie", Cookie.GetCookieHeader(uri));
}
if (KeepAlive)
{
message.Headers.Connection.Add("keep-alive");
}
if (_FormBody != null)
{
var formdata = FormBody.GetBytes(Encoding);
message.Content = new ByteArrayContent(formdata);
message.Content.Headers.Add("Content-Type", FormBody.ContentType);
message.Content.Headers.ContentType.CharSet = Encoding.WebName;
//message.Headers.TryAddWithoutValidation("Content-Type", "charset=" + Encoding.WebName);
setbody = timer.ElapsedMilliseconds;
timer.Restart();
}
if (_Headers?.Count > 0)
{
foreach (var item in _Headers)
{
var arr = item.Value as IEnumerable <string>;
if (arr != null)
{
if (!message.Headers.TryAddWithoutValidation(item.Key, arr) &&
message.Content != null)
{
message.Content.Headers.TryAddWithoutValidation(item.Key, arr);
}
}
else
{
var str = item.Value as string ?? item.Value + "";
if (!message.Headers.TryAddWithoutValidation(item.Key, str) &&
message.Content != null)
{
message.Content.Headers.TryAddWithoutValidation(item.Key, str);
}
}
}
setheader = timer.ElapsedMilliseconds;
timer.Restart();
}
var response = await HttpClient.SendAsync(message, cancel.Token);
_Abort = null;
res = timer.ElapsedMilliseconds;
timer.Restart();
if (AcceptCookie && response.Headers.Contains("Set-Cookie"))
{
var setcookies = response.Headers.GetValues("Set-Cookie");
foreach (var cookie in setcookies)
{
Cookie.SetCookies(uri, cookie);
}
acceptcookie = timer.ElapsedMilliseconds;
timer.Restart();
}
if (AcceptHeader)
{
Headers.Clear();
foreach (var head in response.Headers)
{
Headers.Add(head.Key, head.Value);
}
foreach (var head in response.Content.Headers)
{
Headers.Add(head.Key, head.Value);
}
acceptheader = timer.ElapsedMilliseconds;
timer.Restart();
}
ResponseCode = response.StatusCode;
return(response);
}
catch (Exception ex)
{
error = timer.ElapsedMilliseconds;
timer.Restart();
if (ex is TaskCanceledException && _Abort != null)
{
ex = new TimeoutException("请求已超时");
}
Trace.WriteLine(ex.Message, "HttpRequest.Error");
Exception = ex;
ResponseCode = 0;
return(null);
}
finally
{
cancel?.Dispose();
_Abort = null;
setbody = timer.ElapsedMilliseconds;
timer.Stop();
Trace.WriteLine(ResponseCode, "HttpRequest.StatusCode");
Trace.WriteLine(
$"pre={pre}; setheader={setheader}; setbody={setbody}; response={res}; acceptcookie={acceptcookie}; acceptheader={acceptheader}; error={error}; end={end}",
"HttpRequest.Timing");
}
}