void IUploadModule.BindProgressState(string postBackID, string controlUniqueID, IUploadProgressState progressState)
{
UploadState uploadState = UploadStateStore.OpenReadOnly(postBackID);
if (uploadState == null)
{
progressState.Status = UploadStatus.Unknown;
return;
}
progressState.Status = uploadState.Status;
if (uploadState.Status == UploadStatus.Unknown)
{
return;
}
progressState.BytesRead = uploadState.BytesRead;
progressState.BytesTotal = uploadState.BytesTotal;
progressState.BytesPerSec = uploadState.BytesPerSec;
progressState.FileBytesRead = uploadState.FileBytesRead;
progressState.FractionComplete
= (uploadState.BytesTotal <= 0 || uploadState.FileBytesRead <= 0)
? 0
: ((double)uploadState.BytesRead / uploadState.BytesTotal);
progressState.CurrentFileName = uploadState.CurrentFileName;
progressState.Files = uploadState.Files.GetReadOnlyCopy();
progressState.Failure = uploadState.Failure;
progressState.Rejection = uploadState.Rejection;
if (controlUniqueID != null)
{
progressState.ProcessingState = uploadState.ProcessingStateDict[controlUniqueID];
}
progressState.TimeElapsed = uploadState.TimeElapsed;
if (uploadState.BytesRead == 0 || uploadState.BytesTotal < 0)
{
// If the upload is in progress but we haven't received any bytes yet,
// pretend that the upload hasn't started yet because there is no way
// to estimate TimeRemaining. This situation occurs during a Flash-upload
// or other upload where the postBackID is passed in the query string.
// Note that we don't want to lie about the upload status if the status is
// something other than NormalInProgress. For example, if the status is
// Rejected then pretending the upload hasn't started would hide the rejection
// message.
if (uploadState.Status == UploadStatus.NormalInProgress)
{
progressState.Status = UploadStatus.Unknown;
}
progressState.TimeRemaining = TimeSpan.MaxValue;
}
else
{
double bytesRemaining = ((double)(uploadState.BytesTotal - uploadState.BytesRead));
double ticksRemaining = bytesRemaining * uploadState.TimeElapsed.Ticks;
progressState.TimeRemaining = new TimeSpan((long)(ticksRemaining / uploadState.BytesRead));
}
UploadStateStore.Close(uploadState);
}
void IUploadModule.CancelPostBack(string postBackID)
{
UploadState uploadState = UploadStateStore.OpenReadWrite(postBackID);
if (uploadState.Status == UploadStatus.Unknown)
{
return;
}
uploadState.Status = UploadStatus.Cancelled;
UploadStateStore.Close(uploadState);
}
private void Application_EndRequest(object sender, EventArgs e)
{
if (!IsInited)
{
return;
}
if (log.IsDebugEnabled)
{
log.Debug("In Application_EndRequest");
}
if (!Config.Current.UseHttpModule)
{
return;
}
HttpApplication app = sender as HttpApplication;
if (RememberErrorHandler != null)
{
app.Error -= RememberErrorHandler;
}
HttpContext ctx = HttpContext.Current;
// Get the list of files to dispose to the current context if one hasn't been added yet
ArrayList filesToDispose = ctx.Items["NeatUpload_FilesToDispose"] as ArrayList;
if (filesToDispose != null)
{
foreach (UploadedFile file in filesToDispose)
{
file.Dispose();
}
}
// Get CurrentUploadState only if it has already been set to
// avoid deadlocks.
UploadState uploadState = null;
if (HttpContext.Current != null)
{
uploadState = (UploadState)HttpContext.Current.Items["NeatUpload_UploadState"];
}
if (uploadState != null)
{
if (CurrentMultiRequestControlID == null &&
uploadState.Status != UploadStatus.Failed && uploadState.Status != UploadStatus.Rejected)
{
uploadState.Status = UploadStatus.Completed;
}
UploadStateStore.Close(CurrentUploadState);
CurrentUploadState = null;
}
}
