//public delegate void onDownloadingUpdate(string shortCode, int ep, float progress);
//public static event onDownloadingUpdate OnDownloadUpdateEvent;
static FileDownloader()
{
_queue = new Queue <FileDownloadInfo>();
_downloadingFile = null;
_webClient = new HttpClient();
//Shouldnt cause any problems for downloading but may make someone watching agents server side double check :)
_webClient.DefaultRequestHeaders.Add("User-Agent", "NCSA Mosaic/1.0 (X11;SunOS 4.1.4 sun4m)");
_downloadingStream = null;
_runThread = true;
_doThread = new Thread(RunThread);
_doThread.Name = "FileDownloader";
_doThread.Start();
}
private static void RunThread()
{
do
{
Thread.Sleep(500);
if (_queue.Count > 0 && _downloadingFile == null)
{
_downloadingFile = _queue.Dequeue();
if (_downloadingFile != null)
{
try
{
var path = Path.GetDirectoryName(_downloadingFile.FilePath);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
RunFileRequest().ConfigureAwait(false);
}
catch (Exception ex)
{
OnDownloadFinishedEvent?.Invoke(false, _downloadingFile.EpNumber, _downloadingFile.PodcastShortCode);
ErrorTracker.CurrentError = ex.Message;
}
}
}
else if (_downloadingFile != null && _downloadingStream != null)
{
try
{
//OnDownloadUpdateEvent?.Invoke(_downloadingFile.PodcastShortCode, _downloadingFile.EpNumber, _downloadingStream.Length / _downloadingStream.Position);
}
catch { }
}
}while (_runThread);
return;
}
private static async Task RunFileRequest()
{
try
{
await Task.Run(() => ProcessFileRequest()).TimeoutAfter(45000);
if (File.Exists(_downloadingFile.FilePath))
{
OnDownloadFinishedEvent?.Invoke(true, _downloadingFile.EpNumber, _downloadingFile.PodcastShortCode);
}
else
{
OnDownloadFinishedEvent?.Invoke(false, _downloadingFile.EpNumber, _downloadingFile.PodcastShortCode);
}
}
catch (Exception ex)
{
cancelSource.Cancel();
OnDownloadFinishedEvent?.Invoke(false, _downloadingFile.EpNumber, _downloadingFile.PodcastShortCode);
ErrorTracker.CurrentError = ex.Message;
}
finally
{
//These should already be disposed.
if (_fileStream != null)
{
_fileStream = null;
}
if (_downloadingStream != null)
{
_downloadingStream = null;
}
cancelSource.Dispose();
cancelSource = new CancellationTokenSource();
_downloadingFile = null;
}
}
public static void AddFile(FileDownloadInfo info)
{
_queue.Enqueue(info);
}