private void ParseOneByte(byte data)
        {
            int int_data = (int)(data & 0xFF);

            //int int_data = data;

            if (int_data == PKT_START && isStart)
            {
                //System.Console.WriteLine( "ProtocolParser : PKT_START" );
                counter = 0;
                isStart = false;
            }
            else if (int_data == PKT_END && counter == dataLength + PKT_HEADER_LEN)
            {
                Packet.Builder builder = new Packet.Builder();

                // 커맨드를 뽑는다.
                int cmd = nbuffer.GetByteToInt();

                // 길이를 뽑는다.
                int length = nbuffer.GetShort();

                // 커맨드, 길이를 제외한 나머지 바이트를 컨텐트로 지정
                byte[] content = nbuffer.GetBytes();

                PacketCreated(this, new PacketEventArgs(builder.cmd(cmd).data(content).Build()));

                dataLength = 0;
                counter    = 10;
                nbuffer.Clear();
                isStart = true;
            }
            else if (counter > PKT_MAX_LEN)
            {
                //System.Console.WriteLine( "ProtocolParser : PKT_MAX_LEN" );
                counter    = 10;
                dataLength = 0;
                isStart    = true;
            }
            else
            {
                if (counter == PKT_LENGTH_POS1)
                {
                    lbuffer[0] = data;
                }
                else if (counter == PKT_LENGTH_POS2)
                {
                    //System.Console.WriteLine( "ProtocolParser : PKT_LENGTH_POS2" );
                    lbuffer[1] = data;
                    dataLength = ByteConverter.ByteToShort(lbuffer);
                }

                if (!isStart)
                {
                    nbuffer.Put(data);
                    counter++;
                }
            }
        }
Ejemplo n.º 2
0
        public void Put(byte[] buff, int size)
        {
            byte[] test = new byte[size];

            //Array.Copy( buff, 0, test, 0, size );
            //System.Console.WriteLine( "Read Buffer : {0}", BitConverter.ToString( test ) );
            //System.Console.WriteLine();

            for (int i = 0; i < size; i++)
            {
                if (buff[i] == Const.PK_STX)
                {
                    // packet start
                    mBuffer = new ByteUtil();

                    IsEscape = false;
                }
                else if (buff[i] == Const.PK_ETX)
                {
                    // end of packet
                    Packet.Builder builder = new Packet.Builder();

                    int cmd = mBuffer.GetByteToInt();

                    string cmdstr = Enum.GetName(typeof(Cmd), cmd);

                    int result_size = cmdstr != null && cmdstr.EndsWith("RESPONSE") ? 1 : 0;

                    int result = result_size > 0 ? mBuffer.GetByteToInt() : -1;

                    int length = mBuffer.GetUShort();

                    byte[] data = mBuffer.GetBytes();

                    //System.Console.WriteLine( "length : {0}, data : {1}", length, data.Length );

                    builder.cmd(cmd)
                    .result(result)
                    .data(data);

                    //System.Console.WriteLine( "Read Packet : {0}", BitConverter.ToString( data ) );
                    //System.Console.WriteLine();

                    mBuffer.Clear();
                    mBuffer = null;

                    PacketCreated(this, new PacketEventArgs(builder.Build()));

                    IsEscape = false;
                }
                else if (buff[i] == Const.PK_DLE)
                {
                    if (i < size - 1)
                    {
                        mBuffer.Put((byte)(buff[++i] ^ 0x20));
                    }
                    else
                    {
                        IsEscape = true;
                    }
                }
                else if (IsEscape)
                {
                    mBuffer.Put((byte)(buff[i] ^ 0x20));

                    IsEscape = false;
                }
                else
                {
                    mBuffer.Put(buff[i]);
                }
            }
        }