/// <summary>
/// EndProcessRequest only does exception handling for this handler. There is no other information currently sent
/// back to the file uploader control.
/// </summary>
/// <param name="result"></param>
public void EndProcessRequest(IAsyncResult result)
{
UploaderControl2AsyncResult asyncOp = (UploaderControl2AsyncResult)result;
if (asyncOp.Exception != null)
{
asyncOp.Context.Response.Write(asyncOp.Exception.ToString());
}
}
public UploaderControl2ProcessFileState(HttpContext context, UploaderControl2AsyncResult result)
{
AsyncResult = result;
Guid = context.Request.QueryString["guid"];
FirstChunk = string.IsNullOrEmpty(context.Request.QueryString["first"]) ? false : bool.Parse(context.Request.QueryString["first"]);
LastChunk = string.IsNullOrEmpty(context.Request.QueryString["last"]) ? false : bool.Parse(context.Request.QueryString["last"]);
Cancel = string.IsNullOrEmpty(context.Request.QueryString["cancel"]) ? false : bool.Parse(context.Request.QueryString["cancel"]);
Process = string.IsNullOrEmpty(context.Request.QueryString["process"]) ? false : bool.Parse(context.Request.QueryString["process"]);
Name = context.Request.QueryString["name"];
UploadedFileProcessorType = context.Request.QueryString["processor"];
ContextParam = context.Request.QueryString["context"];
}
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
UploaderControl2AsyncResult result = new UploaderControl2AsyncResult(context, cb, extraData);
// parse the parameters sent to the request and bundle them up to be passed to the worker thread
UploaderControl2ProcessFileState processFileState = new UploaderControl2ProcessFileState(context, result);
// do all of the work on a custom thread pool so that the asp.net thread pool doesn't get blocked up
// TODO: This example uses the built-in ThreadPool, but you should use a custom thread pool! The built-in thread pool
// draws from the same threads that the web server uses to service web requests, so you will see no benefit.
// See the codeplex project for some links to open source custom thread pool implementations.
// change this line to queue ProcessFile onto your custom thread pool
ThreadPool.QueueUserWorkItem(ProcessFile, processFileState);
return result;
}
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
UploaderControl2AsyncResult result = new UploaderControl2AsyncResult(context, cb, extraData);
// parse the parameters sent to the request and bundle them up to be passed to the worker thread
UploaderControl2ProcessFileState processFileState = new UploaderControl2ProcessFileState(context, result);
// do all of the work on a custom thread pool so that the asp.net thread pool doesn't get blocked up
// TODO: This example uses the built-in ThreadPool, but you should use a custom thread pool! The built-in thread pool
// draws from the same threads that the web server uses to service web requests, so you will see no benefit.
// See the codeplex project for some links to open source custom thread pool implementations.
// change this line to queue ProcessFile onto your custom thread pool
ThreadPool.QueueUserWorkItem(ProcessFile, processFileState);
return(result);
}
public UploaderControl2ProcessFileState(HttpContext context, UploaderControl2AsyncResult result)
{
AsyncResult = result;
Guid = context.Request.QueryString["guid"];
FirstChunk = string.IsNullOrEmpty(context.Request.QueryString["first"]) ? false : bool.Parse(context.Request.QueryString["first"]);
LastChunk = string.IsNullOrEmpty(context.Request.QueryString["last"]) ? false : bool.Parse(context.Request.QueryString["last"]);
Cancel = string.IsNullOrEmpty(context.Request.QueryString["cancel"]) ? false : bool.Parse(context.Request.QueryString["cancel"]);
Process = string.IsNullOrEmpty(context.Request.QueryString["process"]) ? false : bool.Parse(context.Request.QueryString["process"]);
Name = context.Request.QueryString["name"];
UploadedFileProcessorType = context.Request.QueryString["processor"];
ContextParam = context.Request.QueryString["context"];
}
