/// <summary>
/// 设置响应流
/// </summary>
/// <param name="stream"></param>
internal void SetResponseStream(HttpStreamWrapper stream)
{
if (!HttpMonitor.RecordResponseContent || (HttpMonitor.MaxRecordContentSize > 0 && HttpMonitor.MaxRecordContentSize < stream.Length && stream.Length > 0))
{
return;
}
stream.EnableMirror();
ResponseStream = stream.MirrorStream;
}
private void GetResponseCallback(Action getResponseAction)
{
try
{
getResponseAction();
Operation.Post(_ => OnResponseHeaderReceived(), null);
}
catch (WebException webex)
{
Exception = webex;
if (webex.Status == WebExceptionStatus.ProtocolError)
{
WebResponse = webex.Response as HttpWebResponse;
//发生错误，清掉期待类型以便于猜测
Request.ExceptType = null;
}
}
catch (Exception ex)
{
Exception = ex;
}
if (Exception != null)
{
Operation.PostOperationCompleted(_ => OnRequestFailed(), null);
return;
}
//保持环境
Response = new HttpResponseMessage(WebResponse);
Client.Setting.LastUri = WebResponse.ResponseUri;
if (WebResponse.ResponseUri != WebRequest.Address)
{
Response.Redirection = new HttpRedirection(WebRequest.Address, WebResponse.ResponseUri);
}
else if (WebResponse.IsRedirectHttpWebResponse())
{
var location = Response.Location;
if (location.IsNullOrEmpty())
{
throw new ProtocolViolationException("是重定向的请求, 但是未提供新地址");
}
Response.Redirection = new HttpRedirection(WebRequest.Address, new Uri(WebRequest.Address, location));
}
if (Response.Cookies != null)
{
Client.CookieContainer.Add(Response.Cookies);
}
//处理响应
if (Request.ExceptType == null)
{
//没有设置优选，先确定内容
Response.Content = GetPreferedResponseContent();
}
else
{
Response.Content = Request.ExceptType;
}
//获得响应流
Stream responseStream;
try
{
responseStream = WebResponse.GetResponseStream();
}
catch (Exception ex)
{
WebResponse.Close();
Exception = ex;
_operation.PostOperationCompleted(_ => OnRequestFailed(), null);
return;
}
//创建wrapper
responseStream = new HttpStreamWrapper(responseStream, Response.ContentLength);
(responseStream as HttpStreamWrapper).ProgressChanged += (s, e) => Operation.Post(_ => OnResponseReadProgressChanged(e), null);
Operation.Post(_ => OnResponseStreamFetched(), null);
//解压缩
if (Request.AutoDecompressGzip)
{
if (Response.ContentEncoding.IndexOf("gzip", StringComparison.OrdinalIgnoreCase) != -1)
{
responseStream = new GZipStream(responseStream, CompressionMode.Decompress);
}
else if (Response.ContentEncoding.IndexOf("deflate", StringComparison.OrdinalIgnoreCase) != -1)
{
responseStream = new DeflateStream(responseStream, CompressionMode.Decompress);
}
}
//读取响应
try
{
ResponseContent.BeginProcessResponse(responseStream);
OnRequestValidateResponse();
}
catch (Exception ex)
{
Exception = ex;
}
//跳转?
if (Response.Redirection != null)
{
Operation.Post(_ => OnRequestRedirect(), null);
}
//完成
WebResponse.Close();
if (!IsSuccess)
{
Operation.PostOperationCompleted(_ => OnRequestFailed(), null);
}
else
{
Operation.PostOperationCompleted(_ => OnRequestFinished(), null);
}
}
/// <summary>
/// 发送请求并做响应
/// </summary>
public void Send()
{
_operation = AsyncOperationManager.CreateOperation(null);
Request.Normalize(Client, this);
WebRequest = Client.HttpHandler.GetRequest(Request.Uri, Request.Method);
Client.CopyDefaultSettings(this);
Request.InitializeWebRequest(this);
OnRequestSending();
//如果有数据，则请求并写入
if (Request.RequestData != null && Request.Method == HttpMethod.POST)
{
Request.RequestData.Prepare(WebRequest);
if (Request.Async)
{
WebRequest.BeginGetRequestStream(_ =>
{
var stream = WebRequest.EndGetRequestStream(_);
var embedStream = new HttpStreamWrapper(stream, WebRequest.ContentLength);
embedStream.ProgressChanged += (s, e) =>
Operation.Post(_1 => OnRequestDataSendProgressChanged(e), null);
Operation.Post(s => OnRequestStreamFetched(), null);
Operation.Post(s => OnRequestDataSending(), null);
Request.RequestData.WriteTo(embedStream);
stream.Close();
Operation.Post(s => OnRequestDataSended(), null);
Operation.Post(s => OnRequestSended(), null);
WebRequest.BeginGetResponse(s => GetResponseCallback(() => { WebResponse = WebRequest.EndGetResponse(s) as HttpWebResponse; }), this);
}, this);
return;
}
else
{
var stream = WebRequest.GetRequestStream();
var embedStream = new HttpStreamWrapper(stream, WebRequest.ContentLength);
embedStream.ProgressChanged += (s, e) =>
Operation.Post(_1 => OnRequestDataSendProgressChanged(e), null);
OnRequestStreamFetched();
OnRequestDataSending();
Request.RequestData.WriteTo(embedStream);
stream.Close();
OnRequestDataSended();
}
}
OnRequestSended();
if (Request.Async)
{
WebRequest.BeginGetResponse(s => GetResponseCallback(() => { WebResponse = WebRequest.EndGetResponse(s) as HttpWebResponse; }), this);
}
else
{
GetResponseCallback(() => { WebResponse = WebRequest.GetResponse() as HttpWebResponse; });
}
}
