private bool ReplaceWorkerRequest(HttpApplication app, DecoratedWorkerRequest subWorker)
{
BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.NonPublic;
HttpRequest request = app.Request;
FieldInfo wrField = request.GetType().GetField("_wr", bindingFlags);
// In Mono, the field has a different name.
if (wrField == null)
wrField = request.GetType().GetField("worker_request", bindingFlags);
if (wrField == null)
return false;
wrField.SetValue(request, subWorker);
app.Context.Items[WorkerRequestKey] = subWorker;
return true;
}
private void MakeChildRequest(HttpApplication app, DecoratedWorkerRequest subWorker)
{
// Process the subrequest.
HttpContext savedContext = HttpContext.Current;
try
{
subWorker.ProcessRequest(null);
if (log.IsDebugEnabled) log.Debug("Called ProcessRequest(). Calling subWorker.WaitForEndOfRequest().");
subWorker.WaitForEndOfRequest();
if (log.IsDebugEnabled) log.Debug("subWorker.WaitForEndOfRequest() returned.");
}
finally
{
HttpContext.Current = savedContext;
string rawUrl = app.Context.Request.RawUrl;
log4net.ThreadContext.Properties["url"] = rawUrl;
// Workaround for bug in mod_mono (at least rev 1.0.9) where the response status
// is overwritten with 200 when app.CompleteRequest() is called. Status (and headers)
// *should* be ignored because they were already sent when the subrequest was processed...
app.Response.StatusCode = subWorker.StatusCode;
app.Response.StatusDescription = subWorker.StatusDescription;
// If there was an error, rethrow it so that ASP.NET uses any custom error pages.
if (subWorker.Exception != null)
{
HttpException httpException = subWorker.Exception as HttpException;
if (httpException != null)
{
throw new HttpException(httpException.GetHttpCode(), "Unhandled HttpException while processing NeatUpload child request",
httpException);
}
UploadException uploadException = subWorker.Exception as UploadException;
if (uploadException != null)
{
throw new HttpException(uploadException.HttpCode, "Unhandled UploadException while processing NeatUpload child request",
uploadException);
}
throw new Exception("Unhandled Exception while processing NeatUpload child request",
subWorker.Exception);
}
// Otherwise call CompleteRequest() to prevent further processing of the original request.
app.CompleteRequest();
}
}
