private void ReadResponseStream(IHttpWebRequest httpWebRequest, IHttpWebResponse httpWebResponse, Exception innerException, Stream responseSaveStream, AsyncCallback callback, object state)
{
Stream responseStream = null;
Exception exception = null;
try
{
responseStream = httpWebResponse.GetResponseStream();
}
catch (WebException ex)
{
exception = new WebExceptionWrapper(ex);
}
catch (Exception ex)
{
exception = ex;
}
finally
{
if (exception == null)
{
CopyResponseStream(httpWebRequest, httpWebResponse, innerException, responseStream, responseSaveStream, callback, state);
}
else
{
if (callback != null)
{
callback(new HttpWebHelperResult(httpWebRequest, httpWebResponse, exception, null, false, false, responseSaveStream, state));
}
}
}
}
private HttpWebHelperResult ReadResponseStream(IHttpWebRequest httpWebRequest, IHttpWebResponse httpWebResponse, Exception innerException, Stream responseSaveStream)
{
Stream responseStream = null;
Exception exception = null;
try
{
responseStream = httpWebResponse.GetResponseStream();
}
catch (WebException ex)
{
exception = new WebExceptionWrapper(ex);
}
return(exception == null?CopyResponseStream(httpWebRequest, httpWebResponse, innerException, responseStream, responseSaveStream) : new HttpWebHelperResult(httpWebRequest, httpWebResponse, exception, innerException, false, true, responseSaveStream, null));
}
private void RequestCallback(IAsyncResult asyncResult, IHttpWebRequest httpWebRequest, Stream requestBody, AsyncCallback callback, object state)
{
Stream requestStream = null;
Exception exception = null;
IHttpWebResponse httpWebResponse = null;
try
{
requestStream = httpWebRequest.EndGetRequestStream(asyncResult);
}
catch (WebException ex)
{
var webException = new WebExceptionWrapper(ex);
httpWebResponse = webException.GetResponse();
exception = webException;
}
finally
{
if (exception == null)
{
// we got the stream, so copy to the stream
CopyRequestStream(httpWebRequest, requestBody, requestStream, callback, state);
}
else
{
// there was an error
if (httpWebResponse == null)
{
if (callback != null)
{
callback(new HttpWebHelperResult(httpWebRequest, null, exception, null, false, false, null, state));
}
}
else
{
var args = new ResponseReceivedEventArgs(httpWebResponse, exception, state);
OnResponseReceived(args);
ReadResponseStream(httpWebRequest, httpWebResponse, exception, args.ResponseSaveStream, callback, state);
}
}
}
}
private HttpWebHelperResult WriteAndGetReponse(IHttpWebRequest httpWebRequest, Stream requestBody)
{
Stream requestStream = null;
Exception exception = null;
IHttpWebResponse httpWebResponse = null;
HttpWebHelperResult result;
try
{
requestStream = httpWebRequest.GetRequestStream();
}
catch (WebException ex)
{
var webException = new WebExceptionWrapper(ex);
httpWebResponse = webException.GetResponse();
exception = webException;
}
finally
{
if (exception == null)
{
// we got the stream, so copy to the stream
result = CopyRequestStream(httpWebRequest, requestBody, requestStream);
}
else
{
// there was an error
if (httpWebResponse == null)
{
result = new HttpWebHelperResult(httpWebRequest, null, exception, null, false, true, null, null);
}
else
{
var args = new ResponseReceivedEventArgs(httpWebResponse, exception, null);
OnResponseReceived(args);
result = ReadResponseStream(httpWebRequest, httpWebResponse, exception, args.ResponseSaveStream);
}
}
}
return(result);
}
private void ResponseCallback(IAsyncResult asyncResult, IHttpWebRequest httpWebRequest, Stream requestBody, AsyncCallback callback, object state)
{
IHttpWebResponse httpWebResponse = null;
Exception exception = null;
try
{
httpWebResponse = httpWebRequest.EndGetResponse(asyncResult);
}
catch (WebException ex)
{
var webException = new WebExceptionWrapper(ex);
httpWebResponse = webException.GetResponse();
exception = webException;
}
catch (Exception ex)
{
exception = ex;
}
finally
{
if (httpWebResponse != null)
{
var args = new ResponseReceivedEventArgs(httpWebResponse, exception, state);
OnResponseReceived(args);
ReadResponseStream(httpWebRequest, httpWebResponse, exception, args.ResponseSaveStream, callback, state);
}
else
{
if (callback != null)
{
callback(new HttpWebHelperResult(httpWebRequest, httpWebResponse, exception, null, false, false, null, state));
}
}
}
}
private HttpWebHelperResult GetResponse(IHttpWebRequest httpWebRequest, Stream requestBody)
{
IHttpWebResponse httpWebResponse = null;
Exception exception = null;
HttpWebHelperResult httpWebHelperAsyncResult = null;
try
{
httpWebResponse = httpWebRequest.GetResponse();
}
catch (WebException ex)
{
var webException = new WebExceptionWrapper(ex);
httpWebResponse = webException.GetResponse();
exception = webException;
}
catch (Exception ex)
{
exception = ex;
}
finally
{
if (httpWebResponse != null)
{
var args = new ResponseReceivedEventArgs(httpWebResponse, exception, null);
OnResponseReceived(args);
httpWebHelperAsyncResult = ReadResponseStream(httpWebRequest, httpWebResponse, exception, args.ResponseSaveStream);
}
else
{
httpWebHelperAsyncResult = new HttpWebHelperResult(httpWebRequest, httpWebResponse, exception, null, false, true, null, null);
}
}
return(httpWebHelperAsyncResult);
}