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 ProtocolParse(byte[] buff, int size)
        {
            for (int i = 0; i < size; i++)
            {
                if (buff[i] != PKT_START)
                {
                    continue;
                }

                Packet.Builder builder = new Packet.Builder();

                int cmd = buff[i + 1];

                int length = ByteConverter.ByteToShort(new byte[] { buff[i + PKT_LENGTH_POS1], buff[i + PKT_LENGTH_POS2] });

                byte[] rs = new byte[length];

                Array.Copy(buff, i + 1 + PKT_HEADER_LEN, rs, 0, length);

                ParsePacket(builder.cmd(cmd).data(rs).Build());

                i += PKT_HEADER_LEN + length;
            }
        }
Ejemplo n.º 3
0
        private void ParseBody(int penMaxForce)
        {
            mDots.Clear();

            long penDownTime = 0, penUpTime = 0, prevTimestamp = 0;

            int dotTotalCount = 0, dotCount = 0;

            byte lineCheckSum = 0;

            int dotStartIndex = 0, dotSize = 0;

            byte[] lineColorBytes = new byte[4];

            int lineColor = 0x000000;

            // 현재 라인의 도트
            offlineDots = new List <Dot>();

            int i = 0;

            while (i < mBody.Length && mBody.Length > 0)
            {
                if (ByteConverter.SingleByteToInt(mBody[i]) == LINE_MARK_1 && ByteConverter.SingleByteToInt(mBody[i + 1]) == LINE_MARK_2)
                {
                    offlineDots = new List <Dot>();

                    penDownTime    = ByteConverter.ByteToLong(CopyOfRange(mBody, i + 2, 8));
                    penUpTime      = ByteConverter.ByteToLong(CopyOfRange(mBody, i + 10, 8));
                    dotTotalCount  = ByteConverter.ByteToInt(CopyOfRange(mBody, i + 18, 4));
                    lineColorBytes = CopyOfRange(mBody, i + 23, 4);

                    lineColor = ByteConverter.ByteToInt(new byte[] { lineColorBytes[2], lineColorBytes[1], lineColorBytes[0], (byte)0 });

                    //System.Console.WriteLine( "[OfflineDataParser] penDownTime : {0}, penUpTime : {1}, dotTotalCount : {2}, lineColor : {3}", penDownTime, penUpTime, dotTotalCount, lineColor );

                    lineCheckSum = mBody[i + 27];

                    i += BYTE_LINE_SIZE;

                    dotStartIndex = i;
                    dotSize       = 0;
                    dotCount      = 0;
                }
                else
                {
                    dotCount++;

                    // 스트로크 헤더에 정의된 도트갯수보다 넘어가면 LN이 나올때까지 한바이트씩 포인터를 이동한다.
                    if (dotCount > dotTotalCount)
                    {
                        i++;
                        continue;
                    }

                    long timeGap = ByteConverter.SingleByteToInt(mBody[i]);

                    short x = ByteConverter.ByteToShort(CopyOfRange(mBody, i + 1, 2));
                    short y = ByteConverter.ByteToShort(CopyOfRange(mBody, i + 3, 2));

                    int fx = ByteConverter.SingleByteToInt(mBody[i + 5]);
                    int fy = ByteConverter.SingleByteToInt(mBody[i + 6]);

                    int force = ByteConverter.SingleByteToInt(mBody[i + 7]);

                    int color = lineColor;

                    bool isPenUp = false;

                    long timestamp = -1L;

                    DotTypes dotType;

                    if (dotSize == 0)
                    {
                        dotType       = DotTypes.PEN_DOWN;
                        timestamp     = penDownTime + timeGap;
                        prevTimestamp = timestamp;
                    }
                    else if (dotTotalCount > dotCount)
                    {
                        dotType       = DotTypes.PEN_MOVE;
                        timestamp     = prevTimestamp + timeGap;
                        prevTimestamp = timestamp;
                    }
                    else
                    {
                        dotType   = DotTypes.PEN_UP;
                        timestamp = penUpTime;
                        isPenUp   = true;
                    }

                    Dot.Builder builder;
                    if (penMaxForce == 0)
                    {
                        builder = new Dot.Builder();
                    }
                    else
                    {
                        builder = new Dot.Builder(penMaxForce);
                    }
                    offlineFilterForPaper.Put(
                        builder
                        .section(mSectionId)
                        .owner(mOwnerId)
                        .note(mNoteId)
                        .page(mPageId)
                        .coord(x + fx * 0.01f, y + fy * 0.01f)
                        .force(force)
                        .color(color)
                        .timestamp(timestamp)
                        .dotType(dotType).Build(), null
                        );

                    dotSize += 8;

                    if (isPenUp)
                    {
                        byte dotCalcCs = CalcChecksum(CopyOfRange(mBody, dotStartIndex, dotSize));

                        if (dotCalcCs == lineCheckSum)
                        {
                            for (int j = 0; j < offlineDots.Count; j++)
                            {
                                mDots.Add(offlineDots[j]);
                            }
                        }
                        else
                        {
                            Debug.WriteLine("[OfflineDataParser] invalid CheckSum cs : " + lineCheckSum + ", calc : " + dotCalcCs);
                        }

                        offlineDots = new List <Dot>();
                    }

                    i += BYTE_DOT_SIZE;
                }
            }
        }