/// <summary>
/// Reads the specified data at the offset to the file path.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="offset">The offset.</param>
/// <param name="length">The length.</param>
/// <param name="buffer">The buffer.</param>
/// <param name="bufferOffset">The buffer offset.</param>
/// <exception cref="System.Exception">Incorrect file length.</exception>
private void Read(FileStream stream, long offset, int length, byte[] buffer, int bufferOffset)
{
stream.CannotBeNull();
offset.MustBeGreaterThanOrEqualTo(0);
length.MustBeGreaterThan(0);
buffer.CannotBeNullOrEmpty();
bufferOffset.MustBeGreaterThanOrEqualTo(0);
bufferOffset.MustBeLessThanOrEqualTo(buffer.Length - length);
if (stream.Length >= offset + length)
{
stream.Position = offset;
stream.Read(buffer, bufferOffset, length);
}
else
{
throw new TorrentPersistanceException("Incorrect file length.");
}
}
