/// <summary>
/// Called when piece is requested.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The event arguments.</param>
private void OnPieceRequested(object sender, PieceRequestedEventArgs e)
{
sender.CannotBeNull();
e.CannotBeNull();
if (this.PieceRequested != null)
{
this.PieceRequested(sender, e);
}
}
/// <summary>
/// Gets the piece.
/// </summary>
/// <param name="pieceIndex">Index of the piece.</param>
/// <returns>The piece.</returns>
public Piece GetPiece(int pieceIndex)
{
pieceIndex.MustBeGreaterThanOrEqualTo(0);
pieceIndex.MustBeLessThan(this.PieceCount);
this.CheckIfObjectIsDisposed();
PieceRequestedEventArgs e = new PieceRequestedEventArgs(pieceIndex);
this.OnPieceRequested(this, e);
if (e.PieceData != null)
{
return(new Piece(pieceIndex, this.pieceHashes.ElementAt(pieceIndex), this.PieceLength, this.BlockLength, this.BlockCount));
}
else
{
return(null);
}
}
