public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
//Make thread barrier here
if (!ProcessingEvent.WaitOne(TimeSpan.FromSeconds(90)))
{
//If we didn't wait finishing then redirect here again
context.Response.Redirect(context.Request.GetUrlRewriter().ToString(), true);
}
var asyncState = new AsyncBundlingRequestState(context, cb, extraData);
if (!string.IsNullOrEmpty(context.Request.Headers["If-Modified-Since"]))
{
//Respond 304
//Return always 304 because
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
asyncState.IsFromCache = true;
asyncState.OnCompleted(true);
}
else
{
//Try cached
var cached = HttpRuntime.Cache.Get(GetKey(new HttpRequestWrapper(context.Request))) as StringBuilder;
if (cached != null)
{
asyncState.IsFromCache = true;
asyncState.ResourceData = cached;
asyncState.OnCompleted(true);
}
else
{
//Beign Read
_maxEmbeddableSize = ClientCapabilities.GetMaxEmbeddableImageSize(new HttpRequestWrapper(context.Request));
ProcessingEvent.Reset();
if (_bundleResources.Count(r => r.Content.Contains("jquery")) <= 0)
{
var content =
@"/*
Copyright (c) Ascensio System SIA " + DateTime.UtcNow.Year + @". All rights reserved.
http://www.teamlab.com
*/";
asyncState.ResourceData.Append(content).Append(Environment.NewLine);
asyncState.Context.Response.Write(content);
asyncState.Context.Response.Write(Environment.NewLine);
}
ProcessItem(_bundleResources.Dequeue(), asyncState);
}
}
return(asyncState);
}
private string GetKey(HttpRequestBase request)
{
return(_token + _verison + _contentType + ClientCapabilities.GetMaxEmbeddableImageSize(request));
}