예제 #1
0
        public HMessage(byte[] data, HDestination destination)
            : this()
        {
            if (data == null)
            {
                throw new NullReferenceException();
            }
            if (data.Length < 6)
            {
                throw new Exception("Insufficient data, minimum length is '6'(Six). [Length{4}][Header{2}]");
            }

            Destination = destination;
            IsCorrupted = (BigEndian.DecypherInt(data) != data.Length - 4);
            if (!IsCorrupted)
            {
                Header = BigEndian.DecypherShort(data, 4);

                _body.AddRange(data);
                _body.RemoveRange(0, 6);

                Reconstruct();
            }
            else
            {
                Length        = data.Length;
                _toBytesCache = data;
            }
        }
예제 #2
0
        public virtual ushort ReadShort(ref int index)
        {
            if (index >= Body.Length || index + 2 > Body.Length)
            {
                throw new Exception("Not enough data at the current position to begin reading a UInt16 type object.");
            }

            ushort value = BigEndian.DecypherShort(Body[index++], Body[index++]);

            AddToRead(value);

            return(value);
        }
예제 #3
0
        public int ReadShort(ref int Index)
        {
            if (IsCorrupted)
            {
                return(0);
            }
            switch (Protocol)
            {
            case HProtocols.Modern: return(BigEndian.DecypherShort(Body[Index++], Body[Index++]));

            case HProtocols.Ancient: return(Ancient.DecypherShort(Body[Index++], Body[Index++]));

            default: return(0);
            }
        }
예제 #4
0
        public HMessage(byte[] Data, HDestinations Destination)
            : this()
        {
            if (Data == null)
            {
                throw new NullReferenceException();
            }
            if (Data.Length < 1)
            {
                throw new Exception("The minimum amount of bytes required to initialize an HMessage instance is 1(One). If the amount of bytes passed is < 3(Three), and >= 1(One), it will be immediately be identified as a corrupted packet. { IsCorrupted = true }");
            }

            this.Destination = Destination;
            bool HasByteZero     = Data.Contains(byte.MinValue);
            bool IsAncientHeader = !HasByteZero && Data.Length == 2 && Data[1] != 1;

            if (!IsAncientHeader && Data.Length >= 6 && BigEndian.DecypherInt(Data) == Data.Length - 4)
            {
                Protocol = HProtocols.Modern;

                _Header = BigEndian.DecypherShort(Data, 4);
                Append(ByteUtils.CopyBlock(Data, 4, Data.Length - 4));

                if (Data.Length == 6)
                {
                    LogWriting = true;
                }
            }
            else if ((Destination == HDestinations.Server && IsAncientHeader) || (!HasByteZero && Data.Length >= 5 && Ancient.DecypherShort(Data, 1) == Data.Length - 3))
            {
                this.Destination = HDestinations.Server;
                Protocol         = HProtocols.Ancient;

                _Header = Ancient.DecypherShort(Data, IsAncientHeader ? 0 : 3);
                Append(IsAncientHeader ? Data : ByteUtils.CopyBlock(Data, 3, Data.Length - 3));

                if (Data.Length == 5 || IsAncientHeader)
                {
                    LogWriting = true;
                }
            }
            else if (IsAncientHeader || (!HasByteZero && Data.Length >= 3 && Data[Data.Length - 1] == 1))
            {
                this.Destination = HDestinations.Client;
                Protocol         = HProtocols.Ancient;

                if (IsAncientHeader)
                {
                    Data = new byte[3] {
                        Data[0], Data[1], 1
                    }
                }
                ;
                _Header = Ancient.DecypherShort(Data);
                Append(Data);

                if (Data.Length == 3 || IsAncientHeader)
                {
                    LogWriting = true;
                }
            }
            else
            {
                Body        = Data;
                BCache      = Data;
                IsCorrupted = true;
                Length      = Data.Length;
                Buffer.AddRange(Data);
                SCache = ToString(Data);
            }
        }