/// <summary>
/// Tidy-up the state after a download batch has been completed or an
/// error occured.
/// </summary>
private void GoIdle()
{
Status = DownloadManagerStatus.Idle;
}
/// <summary>
/// This method is called when a download ticket reply is received.
/// </summary>
public void OnTicket(AnpMsg m)
{
Debug.Assert(Status == DownloadManagerStatus.Ticket);
Debug.Assert(Ticket == null);
// Store the ticket and run the pipeline.
if (m.Type == KAnpType.KANP_RES_KFS_DOWNLOAD_REQ)
{
Status = DownloadManagerStatus.Idle;
Ticket = m.Elements[0].Bin;
Share.Pipeline.Run("got download ticket", false);
}
// On failure, cancel all downloads.
else
{
CancelOnError(m.Elements[0].String);
Share.Pipeline.Run("could not obtain download ticket", true);
}
}
/// <summary>
/// Start a new file transfer batch.
/// </summary>
public void StartBatch()
{
Debug.Assert(OrderTree.Count > 0);
Debug.Assert(Status == DownloadManagerStatus.Idle);
Debug.Assert(TransferThread == null);
Debug.Assert(Ticket != null);
try
{
// Build the tree.
SortedDictionary<UInt64, KfsDownloadBatchFile> tree = new SortedDictionary<UInt64, KfsDownloadBatchFile>();
foreach (KfsFileDownload f in OrderTree.Values)
{
Debug.Assert(f.Status == FileTransferStatus.Queued);
f.Status = FileTransferStatus.Batched;
tree[f.OrderID] = new KfsDownloadBatchFile(f.OrderID,
f.Version,
VersionCachePath(f.Version));
}
// Start the transfer.
TransferThread = new KfsDownloadThread(Share, Ticket, tree);
TransferThread.Start();
Status = DownloadManagerStatus.Batch;
Ticket = null;
}
catch (Exception ex)
{
Share.FatalError(ex);
}
}
/// <summary>
/// Ask a download ticket.
/// </summary>
public void AskTicket()
{
Debug.Assert(Status == DownloadManagerStatus.Idle);
Debug.Assert(Ticket == null);
Share.AskDownloadTicket();
Status = DownloadManagerStatus.Ticket;
}
