/// <summary>
/// Publishes a file or directory.
/// </summary>
/// <param name="nameSpace">The name space.</param>
/// <param name="name">The name.</param>
/// <remarks>Uses the name of the directory of file as the publishing name.
/// Used when you want to publish file/directory already in the Cache folder.
/// </remarks>
void Publish(string nameSpace, string name, bool unique)
{
if (unique)
{
_manager.PublishData(nameSpace, name);
}
else
{
_manager.UpdateData(nameSpace, name);
}
}
/// <summary>
/// Serves the torrent piece.
/// </summary>
/// <param name="nameSpace">The name space.</param>
/// <param name="name">The name.</param>
/// <param name="pieceIndex">Index of the piece.</param>
/// <exception cref="ArgumentException">The torrent is not a single file torrent.
/// </exception>
public void ServePiece(string nameSpace, string name, int pieceIndex)
{
string pieceName = MakePieceDataName(name, pieceIndex);
if (IOUtil.FileOrDirectoryExists(_bittorrentCache.GetTorrentFilePath(
nameSpace, pieceName)))
{
// It is already being served.
return;
}
var torrent = Torrent.Load(_bittorrentCache.GetTorrentFilePath(nameSpace,
name));
if (torrent.Files.Length != 1)
{
throw new ArgumentException(
"This name specifies a multi-file torrent but only single file torrent is allowed.",
"name");
}
var offset = pieceIndex * torrent.PieceLength;
byte[] pieceData = IOUtil.Read(_bittorrentCache.GetPathOfItemInDownloads(
nameSpace, name), offset, torrent.PieceLength, torrent.Size);
var piecePath = _bittorrentCache.GetPathOfItemInDownloads(nameSpace,
pieceName);
File.WriteAllBytes(piecePath, pieceData);
Logger.WriteLineIf(LogLevel.Info, _log_props,
string.Format("Start to serve the piece {0}.", pieceName));
_manager.UpdateData(nameSpace, pieceName);
}