Exemplo n.º 1
0
        public byte[] GetData(int ml)
        {
            if (ByteList.Count < ml)
            {
                return(null);
            }

            int res = 0;

            for (int i = 0; i < ml; i++)
            {
                int temp = (( int )ByteList[Current + i]) & 0xff;
                temp <<= i * 8;
                res    = res + temp;
            }

            if (res <= 0)
            {
                Reset();
                ByteList.Clear();
                return(null);
            }

            if (res > (ByteList.Count - Current))
            {
                return(null);
            }
            byte[] data = new byte[res];
            ByteList.CopyTo(Current, data, 0, data.Length);

            Current += res;

            if (Current == ByteList.Count)
            {
                Reset();
                ByteList.Clear();
            }
            return(data);
        }
Exemplo n.º 2
0
        public bool InsertByteArray(byte[] Data, int ml, out List <byte[]> datax)
        {
            lock (locklist)
            {
                datax = new List <byte[]>();

                ByteList.AddRange(Data);

                Interlocked.Add(ref Vlent, Data.Length);


                if (lengt == -1 && Vlent > ml)
                {
                    int res = 0;

                    for (int i = 0; i < ml; i++)
                    {
                        int temp = ((int)ByteList[current + i]) & 0xff;
                        temp <<= i * 8;
                        res    = temp + res;
                    }

                    if (res > MaxSize)
                    {
                        Reset();
                        throw new Exception("数据包大于预设长度,如果你传入的数据比较大,请设置重新 maxSize 值");
                    }

                    if (res <= 0)
                    {
                        Reset();

                        return(false);
                    }

                    Interlocked.Exchange(ref lengt, res);
                }


                if ((Vlent - current) >= lengt)
                {
                    int lengx = lengt;
                    Interlocked.Exchange(ref lengt, -1);

                    byte[] data = new byte[lengx];
                    ByteList.CopyTo(current, data, 0, lengx);
                    datax.Add(data);

                    Interlocked.Add(ref current, lengx);


recopy:

                    if (current == ByteList.Count)
                    {
                        Reset();
                        return(true);
                    }

                    if (ByteList.Count - current > ml)
                    {
                        int res = 0;
                        for (int i = 0; i < ml; i++)
                        {
                            int temp = ((int)ByteList[current + i]) & 0xff;
                            temp <<= i * 8;
                            res    = temp + res;
                        }

                        if (res > MaxSize)
                        {
                            Reset();
                            throw new Exception("数据包大于预设长度,如果你传入的数据比较大,请设置重新 maxSize 值");
                        }

                        if (res <= 0)
                        {
                            Reset();
                            return(true);
                        }

                        if (ByteList.Count - current < res)
                        {
                            return(true);
                        }
                        data = new byte[res];
                        ByteList.CopyTo(current, data, 0, res);
                        datax.Add(data);

                        Interlocked.Add(ref current, res);

                        goto recopy;
                    }

                    return(true);
                }
                else
                {
                    return(false);
                }
            }
        }