Bauglir.Ex.WebSocketConnection.SendData C# (CSharp) Method

        public virtual bool SendData(bool aWriteFinal, bool aRes1, bool aRes2, bool aRes3, int aWriteCode, MemoryStream aStream)
        {
            bool result = !Closed && ((aWriteCode == WebSocketFrame.Close) || !fClosedByMe);
            int bt = 0;
            int sendLen = 0;
            int i;
            long len = 0;
            Stream stream;
            byte[] bytes;
            byte[] masks = new byte[4];
            byte[] send = new byte[65536];
            Random rand = new Random();
            if (result)
            {
                lock (writeLock)
                {
                    try
                    {
                        stream = getStream(fClient);

                        //send basics
                        bt = (aWriteFinal ? 1 : 0) * 0x80;
                        bt += (aRes1 ? 1 : 0) * 0x40;
                        bt += (aRes2 ? 1 : 0) * 0x20;
                        bt += (aRes3 ? 1 : 0) * 0x10;
                        bt += aWriteCode;
                        stream.WriteByte((byte)bt);

                        //length & mask
                        len = (fMasking ? 1 : 0) * 0x80;
                        if (aStream.Length < 126) len += aStream.Length;
                        else if (aStream.Length < 65536) len += 126;
                        else len += 127;
                        stream.WriteByte((byte)len);

                        if (aStream.Length >= 126)
                        {
                            if (aStream.Length < 65536)
                            {
                                bytes = System.BitConverter.GetBytes((ushort)aStream.Length);
                            }
                            else
                            {
                                bytes = System.BitConverter.GetBytes((ulong)aStream.Length);
                            }
                            if (BitConverter.IsLittleEndian) bytes = ReverseBytes(bytes);
                            stream.Write(bytes, 0, bytes.Length);
                        }

                        //masking
                        if (fMasking)
                        {
                            masks[0] = (byte)rand.Next(256);
                            masks[1] = (byte)rand.Next(256);
                            masks[2] = (byte)rand.Next(256);
                            masks[3] = (byte)rand.Next(256);
                            stream.Write(masks, 0, masks.Length);
                        }

                        //send data
                        aStream.Position = 0;
                        while ((sendLen = aStream.Read(send, 0, send.Length)) > 0)
                        {
                            if (fMasking)
                            {
                                for (i = 0; i < send.Length; i++)
                                {
                                    send[i] = (byte)(send[i] ^ masks[i % 4]);
                                }
                            }
                            stream.Write(send, 0, sendLen);
                        }
                        aStream.Position = 0;
                        if (ConnectionWrite != null)
                            ConnectionWrite(this, aWriteFinal, aRes1, aRes2, aRes3, aWriteCode, aStream);
                    }
                    catch
                    {
                        result = false;
                    }
                }
            }
            return result;
        }