private void SeekActionDerpian(DownloadAsyncWrapper info, AsyncCompletedEventArgs e, object token)
{
if ((info != null) && (!info.filelist.IsEmpty))
{
DownloadInfo item = info.filelist.TakeFirst();
if (item == null)
{
this.OnDownloadFileCompleted(new AsyncCompletedEventArgs(e.Error, e.Cancelled, token));
return;
}
this.OnDownloadFileProgressChanged(new DownloadFileProgressChangedEventArgs(info.filelist.CurrentItemCount, info.filelist.Count));
this.DownloadFileAsyncEx(item.URL, item.Filename, info);
}
else
{
this.OnDownloadFileCompleted(new AsyncCompletedEventArgs(e.Error, e.Cancelled, token));
}
}
private void InnerWebClient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
object token = null;
DownloadAsyncWrapper info = null;
if (e.UserState != null)
{
if (e.UserState is DownloadAsyncWrapper)
{
info = e.UserState as DownloadAsyncWrapper;
token = info.userToken;
}
else
{
token = e.UserState;
}
}
if (e.Error != null)
{
if (e.Error is WebException)
{
WebException ex = e.Error as WebException;
if (IsHTTP(this.LastURL))
{
if (ex.Response is HttpWebResponse && WorthRetry(ex.Response as HttpWebResponse))
{
this.innerWebClient.DownloadFileAsync(this.LastURL, this.downloadfileLocalPath + ".dtmp", e.UserState);
}
else
{
this.SeekActionDerpian(info, e, token);
}
}
else
{
this.SeekActionDerpian(info, e, token);
}
}
else if (e.Error.InnerException is WebException)
{
WebException ex = e.Error.InnerException as WebException;
if (IsHTTP(this.LastURL))
{
if (ex.Response is HttpWebResponse && WorthRetry(ex.Response as HttpWebResponse))
{
this.innerWebClient.DownloadStringAsync(this.LastURL);
}
else
{
this.SeekActionDerpian(info, e, token);
}
}
else
{
this.SeekActionDerpian(info, e, token);
}
}
else
{
this.SeekActionDerpian(info, e, token);
}
}
else if (e.Cancelled)
{
this.OnDownloadFileCompleted(new AsyncCompletedEventArgs(e.Error, e.Cancelled, token));
}
else
{
try
{
File.Delete(this.downloadfileLocalPath);
File.Move(this.downloadfileLocalPath + ".dtmp", this.downloadfileLocalPath);
}
catch (Exception ex) { Log.LogManager.GeneralLog.Print(ex); }
this.SeekActionDerpian(info, e, token);
}
}
