protected bool OnResponseReceived(DownloadResponse response)
{
var eventArgs = new ResponseReceivedEventArgs(Request, response);
ResponseReceived?.Invoke(this, eventArgs);
return(eventArgs.Abort);
}
private bool OnResponseReceived(DownloadResponse response)
{
var args = new ResponseReceivedEventArgs(Request, response);
ResponseReceived?.Invoke(this, args);
return(args.Abort);
}
protected async Task <HttpWebResponse> GetResponse(HttpWebRequest webRequest, CancellationToken stopToken)
{
HttpWebResponse webResponse;
try
{
webResponse = (HttpWebResponse)await webRequest.GetResponseAsync();
}
catch (WebException we)
{
webResponse = we.Response as HttpWebResponse;
if (webResponse == null)
{
throw;
}
}
var response = new DownloadResponse(webResponse);
if (OnResponseReceived(response))
{
throw new OperationCanceledException("Aborted by the user.");
}
await ShrinkStream(response.Range.Start - Range.Start, stopToken);
if (response.ContentLength > 0)
{
TotalSize = response.IsPartial ? response.ContentLength + TotalWritten : response.ContentLength;
}
if ((response.StatusCode != HttpStatusCode.OK) &&
(response.StatusCode != HttpStatusCode.PartialContent))
{
throw new DownloadException($"Failed to start downloading file. {webResponse.StatusDescription}");
}
_tries = 0;
return(webResponse);
}
