System.Net.WebSockets.WebSocketBuffer.CreateServerBuffer C# (CSharp) Method

        internal static WebSocketBuffer CreateServerBuffer(ArraySegment<byte> internalBuffer, int receiveBufferSize)
        {
            int sendBufferSize = GetNativeSendBufferSize(MinSendBufferSize, true);
            Debug.Assert(internalBuffer.Count >= GetInternalBufferSize(receiveBufferSize, sendBufferSize, true),
                "Array 'internalBuffer' is TOO SMALL. Call Validate before instantiating WebSocketBuffer.");

            return new WebSocketBuffer(internalBuffer, receiveBufferSize, sendBufferSize);
        }

        public ServerWebSocket(Stream innerStream,
                               string subProtocol,
                               int receiveBufferSize,
                               TimeSpan keepAliveInterval,
                               ArraySegment <byte> internalBuffer)
            : base(innerStream, subProtocol, keepAliveInterval,
                   WebSocketBuffer.CreateServerBuffer(internalBuffer, receiveBufferSize))
        {
            _properties    = InternalBuffer.CreateProperties(false);
            _sessionHandle = CreateWebSocketHandle();

            if (_sessionHandle == null || _sessionHandle.IsInvalid)
            {
                WebSocketValidate.ThrowPlatformNotSupportedException_WSPC();
            }

            StartKeepAliveTimer();
        }