/// <summary>
/// Request an asset download through the almost deprecated Xfer system
/// </summary>
/// <param name="filename">Filename of the asset to request</param>
/// <param name="deleteOnCompletion">Whether or not to delete the asset
/// off the server after it is retrieved</param>
/// <param name="useBigPackets">Use large transfer packets or not</param>
/// <param name="vFileID">UUID of the file to request, if filename is
/// left empty</param>
/// <param name="vFileType">Asset type of <code>vFileID</code>, or
/// <code>AssetType.Unknown</code> if filename is not empty</param>
/// <returns></returns>
public ulong RequestAssetXfer(string filename, bool deleteOnCompletion, bool useBigPackets, LLUUID vFileID, AssetType vFileType)
{
LLUUID uuid = LLUUID.Random();
ulong id = uuid.ToULong();
XferDownload transfer = new XferDownload();
transfer.XferID = id;
transfer.ID = new LLUUID(id); // Our dictionary tracks transfers with LLUUIDs, so convert the ulong back
transfer.Filename = filename;
transfer.VFileID = vFileID;
transfer.AssetType = vFileType;
// Add this transfer to the dictionary
lock (Transfers) Transfers[transfer.ID] = transfer;
RequestXferPacket request = new RequestXferPacket();
request.XferID.ID = id;
request.XferID.Filename = Helpers.StringToField(filename);
request.XferID.FilePath = 4; // "Cache". This is a horrible thing that hardcodes a file path enumeration in to the
// protocol. For asset downloads we should only ever need this value
request.XferID.DeleteOnCompletion = deleteOnCompletion;
request.XferID.UseBigPackets = useBigPackets;
request.XferID.VFileID = vFileID;
request.XferID.VFileType = (short)vFileType;
Client.Network.SendPacket(request);
return(id);
}
