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C-/C++-Quelltext

private void send(byte[] msg, int type)
        {
            byte[] headerID = new byte[4];
            headerID[0] = Convert.ToByte('M');
            headerID[1] = Convert.ToByte('H');
            headerID[2] = Convert.ToByte('H');
            headerID[3] = Convert.ToByte('0');
            byte[] l = new byte[4];
            l = BitConverter.GetBytes(msg.Length);
            byte[] t = new byte[4];
            t = BitConverter.GetBytes(type);


            client.Send(headerID);
            client.Send(l);
            client.Send(t);
            client.Send(msg);
        }

        private void recive()
        {
            byte[] buffer = new byte[256];
            byte[] header = new byte[12];
            byte[] file = null;

            bool headerSent = false;
            int bytesRecived = 0;

            char[] headerID = null;
            int length = 0;
            int type = 0;

            while (true)
            {
                if (!headerSent)
                {
                    if (bytesRecived < HEADERSIZE)
                    {
                        bytesRecived += client.Receive(buffer, bytesRecived, HEADERSIZE - bytesRecived, 0);
                    }
                    if (bytesRecived >= HEADERSIZE)
                    {
                        headerID = new char[4];
                        Array.Copy(buffer, 0, header, 0, HEADERSIZE);
                        bytesRecived = 0;
                        headerID[0] = BitConverter.ToChar(header, 0x00);
                        headerID[1] = BitConverter.ToChar(header, 0x01);
                        headerID[2] = BitConverter.ToChar(header, 0x02);
                        headerID[3] = BitConverter.ToChar(header, 0x03);
                        length = BitConverter.ToInt32(header, 0x04);
                        type = BitConverter.ToInt32(header, 0x08);

                        if (headerID[0] == 'M' &&
                            headerID[1] == 'H' &&
                            headerID[2] == 'H' &&
                            headerID[3] == '0')
                        {
                            headerSent = true;
                            file = new byte[length];
                        }
                        else
                        {
                            // kein Header angekommen :o
                        }
                    }
                }
                else
                {
                    // header ist gesetzt!!
                    if (bytesRecived < length)
                    {
                        bytesRecived += client.Receive(buffer, bytesRecived, length - bytesRecived, 0);
                    }
                    if (bytesRecived >= length)
                    {
                        // datei ist angekommen!
                        parseMessage(file, type);
                        headerSent = false;
                        header = new byte[12];
                        buffer = new byte[256];
                        bytesRecived = 0;
                        length = 0;
                        type = 0;

                    }

                }

            }

        }