Esempio n. 1
0
 public static ProsthesisMessage UnboxMessage(ProsthesisDataPacket packet)
 {
     try
     {
         System.IO.MemoryStream memStream = new System.IO.MemoryStream(packet.Data);
         memStream.Position = 0;
         ProsthesisMessage mess = ProtoBuf.Serializer.DeserializeWithLengthPrefix <ProsthesisMessage>(memStream, PrefixStyle.Fixed32);
         return(mess);
     }
     catch
     {
         return(null);
     }
 }
        public bool MoveNext()
        {
            bool hasFullPacket = false;
            int  headerSize    = ProsthesisCore.Messages.ProsthesisDataPacket.HeaderSize;
            int  footerSize    = ProsthesisCore.Messages.ProsthesisDataPacket.FooterSize;

            lock (this)
            {
                byte[] memBufferArray = mMemBuffer.ToArray();
                //We want at the very least, a packet begin and size descriptor for the binary data
                if (mMemBuffer.Count >= headerSize)
                {
                    uint packetStart = BitConverter.ToUInt32(memBufferArray, 0);
                    if (packetStart == Messages.ProsthesisDataPacket.kPacketStart)
                    {
                        int sizeOffset = sizeof(uint);
                        int packetSize = BitConverter.ToInt32(memBufferArray, sizeOffset);
                        //Check to see if we have the full packet
                        if (mMemBuffer.Count >= headerSize + packetSize + footerSize)
                        {
                            //Verify that the footer is the correct type
                            uint packetEnd = BitConverter.ToUInt32(memBufferArray, headerSize + (int)packetSize);
                            if (packetEnd == Messages.ProsthesisDataPacket.kPacketEnd)
                            {
                                hasFullPacket = true;
                                //Decode the packet!
                                System.IO.MemoryStream memStream = new System.IO.MemoryStream(memBufferArray, headerSize, (int)packetSize);

                                mCurrentDataPacket = new Messages.ProsthesisDataPacket(memStream.ToArray(), (int)memStream.Length);
                                mCurrentMessage    = ProsthesisCore.Messages.ProsthesisDataPacket.UnboxMessage(mCurrentDataPacket);

                                mMemBuffer.RemoveRange(0, headerSize + (int)packetSize + footerSize);
                            }
                        }
                    }
                }
            }
            return(hasFullPacket);
        }