Exemple #1
0
        private void Initialize(BinaryReader reader, long cmdPtr)
        {
            int word0 = reader.ReadInt32();
            int word1 = reader.ReadInt32();

            Type = (IpcMessageType)(word0 & 0xffff);

            int ptrBuffCount  = (word0 >> 16) & 0xf;
            int sendBuffCount = (word0 >> 20) & 0xf;
            int recvBuffCount = (word0 >> 24) & 0xf;
            int xchgBuffCount = (word0 >> 28) & 0xf;

            int  rawDataSize   = (word1 >> 0) & 0x3ff;
            int  recvListFlags = (word1 >> 10) & 0xf;
            bool hndDescEnable = ((word1 >> 31) & 0x1) != 0;

            if (hndDescEnable)
            {
                HandleDesc = new IpcHandleDesc(reader);
            }

            for (int index = 0; index < ptrBuffCount; index++)
            {
                PtrBuff.Add(new IpcPtrBuffDesc(reader));
            }

            void ReadBuff(List <IpcBuffDesc> buff, int count)
            {
                for (int index = 0; index < count; index++)
                {
                    buff.Add(new IpcBuffDesc(reader));
                }
            }

            ReadBuff(SendBuff, sendBuffCount);
            ReadBuff(ReceiveBuff, recvBuffCount);
            ReadBuff(ExchangeBuff, xchgBuffCount);

            rawDataSize *= 4;

            long recvListPos = reader.BaseStream.Position + rawDataSize;

            // only HIPC have the padding requirements.
            if (Type < IpcMessageType.TipcCloseSession)
            {
                long pad0 = GetPadSize16(reader.BaseStream.Position + cmdPtr);

                if (rawDataSize != 0)
                {
                    rawDataSize -= (int)pad0;
                }

                reader.BaseStream.Seek(pad0, SeekOrigin.Current);
            }

            int recvListCount = recvListFlags - 2;

            if (recvListCount == 0)
            {
                recvListCount = 1;
            }
            else if (recvListCount < 0)
            {
                recvListCount = 0;
            }

            RawData = reader.ReadBytes(rawDataSize);

            reader.BaseStream.Seek(recvListPos, SeekOrigin.Begin);

            for (int index = 0; index < recvListCount; index++)
            {
                RecvListBuff.Add(new IpcRecvListBuffDesc(reader));
            }
        }
Exemple #2
0
        private void Initialize(BinaryReader Reader, long CmdPtr)
        {
            int Word0 = Reader.ReadInt32();
            int Word1 = Reader.ReadInt32();

            Type = (IpcMessageType)(Word0 & 0xffff);

            int PtrBuffCount  = (Word0 >> 16) & 0xf;
            int SendBuffCount = (Word0 >> 20) & 0xf;
            int RecvBuffCount = (Word0 >> 24) & 0xf;
            int XchgBuffCount = (Word0 >> 28) & 0xf;

            int  RawDataSize   = (Word1 >> 0) & 0x3ff;
            int  RecvListFlags = (Word1 >> 10) & 0xf;
            bool HndDescEnable = ((Word1 >> 31) & 0x1) != 0;

            if (HndDescEnable)
            {
                HandleDesc = new IpcHandleDesc(Reader);
            }

            for (int Index = 0; Index < PtrBuffCount; Index++)
            {
                PtrBuff.Add(new IpcPtrBuffDesc(Reader));
            }

            void ReadBuff(List <IpcBuffDesc> Buff, int Count)
            {
                for (int Index = 0; Index < Count; Index++)
                {
                    Buff.Add(new IpcBuffDesc(Reader));
                }
            }

            ReadBuff(SendBuff, SendBuffCount);
            ReadBuff(ReceiveBuff, RecvBuffCount);
            ReadBuff(ExchangeBuff, XchgBuffCount);

            RawDataSize *= 4;

            long RecvListPos = Reader.BaseStream.Position + RawDataSize;

            long Pad0 = GetPadSize16(Reader.BaseStream.Position + CmdPtr);

            Reader.BaseStream.Seek(Pad0, SeekOrigin.Current);

            int RecvListCount = RecvListFlags - 2;

            if (RecvListCount == 0)
            {
                RecvListCount = 1;
            }
            else if (RecvListCount < 0)
            {
                RecvListCount = 0;
            }

            RawData = Reader.ReadBytes(RawDataSize);

            Reader.BaseStream.Seek(RecvListPos, SeekOrigin.Begin);

            for (int Index = 0; Index < RecvListCount; Index++)
            {
                RecvListBuff.Add(new IpcRecvListBuffDesc(Reader));
            }
        }