System.Net.WebSockets.ManagedWebSocket.ApplyMask C# (CSharp) Method

ManagedWebSocket Class Documentation 显示文件 Open project: dotnet/corefx

ApplyMask() private static method

Applies a mask to a portion of a byte array.

private static ApplyMask ( byte toMask, int toMaskOffset, byte mask, int maskOffset, int maskOffsetIndex, long count ) : int
toMask	byte	The buffer to which the mask should be applied.
toMaskOffset	int	The offset into at which the mask should start to be applied.
mask	byte	The array containing the mask to apply.
maskOffset	int	The offset into of the mask to apply of length .
maskOffsetIndex	int	The next position offset from of which by to apply next from the mask.
count	long	The number of bytes starting from to which the mask should be applied.
return	int

        private static int ApplyMask(byte[] toMask, int toMaskOffset, byte[] mask, int maskOffset, int maskOffsetIndex, long count)
        {
            Debug.Assert(maskOffsetIndex < MaskLength, $"Unexpected {nameof(maskOffsetIndex)}: {maskOffsetIndex}");
            Debug.Assert(mask.Length >= MaskLength + maskOffset, $"Unexpected inputs: {mask.Length}, {maskOffset}");
            return ApplyMask(toMask, toMaskOffset, CombineMaskBytes(mask, maskOffset), maskOffsetIndex, count);
        }