public void Download(CancellationToken cancellationToken)
{
Assert.MethodCalledOnlyOnce(ref _downloadHasBeenCalled, "Download");
if (_resource.HasMetaUrls())
{
DebugLogger.Log("Downloading meta data...");
if (File.Exists(_destinationMetaPath))
{
DebugLogger.Log("Removing previous meta data file: " + _destinationMetaPath);
File.Delete(_destinationMetaPath);
}
var httpDownloader = CreateDefaultHttpDownloader(_destinationMetaPath, _resource.MetaUrls, 0, HttpDownloaderTimeout);
httpDownloader.Download(cancellationToken);
DebugLogger.Log("Meta data downloaded");
}
DebugLogger.Log("Downloading content file");
if (_useTorrents)
{
bool downloaded = TryDownloadWithTorrent(cancellationToken);
if (downloaded)
{
return;
}
}
if (AreChunksAvailable())
{
DebugLogger.Log("Chunsk data is available.");
DownloadWithChunkedHttp(cancellationToken);
}
else
{
DebugLogger.Log("Chunks data is not available.");
DownloadWithHttp(cancellationToken);
}
}
private bool AreMetaAvailable()
{
return(_resource.HasMetaUrls());
}