Ejemplo n.º 1
0
        public static async Task <Packet[]> ReceivePackets()
        {
            IAsyncOperation <uint> taskLoad = streamReader.LoadAsync(sizeof(int));

            taskLoad.AsTask().Wait();
            //await streamReader.LoadAsync(sizeof(int));
            byte[] temp = new byte[sizeof(int)];
            streamReader.ReadBytes(temp);
            int firstPacketSize = DataParser.Bytes2Int(temp);

            int leftBytes = firstPacketSize + 9;
            await streamReader.LoadAsync((uint)leftBytes);

            byte[] incompleteByteArray = new byte[leftBytes];
            streamReader.ReadBytes(incompleteByteArray);
            byte[] completeByteArray = new byte[firstPacketSize + 13];
            System.Buffer.BlockCopy(DataParser.Int2Bytes(firstPacketSize), 0, completeByteArray, 0, sizeof(int));
            System.Buffer.BlockCopy(incompleteByteArray, 0, completeByteArray, sizeof(int), incompleteByteArray.Length);

            List <Packet> output = new List <Packet>();

            while (true)
            {
                Packet p = new Packet(completeByteArray);
                output.Add(p);
                if (DataParser.IsPacketLast(p))
                {
                    break;
                }
                else
                {
                    await streamReader.LoadAsync(sizeof(int));

                    temp = new byte[sizeof(int)];
                    streamReader.ReadBytes(temp);
                    int nextPacketSize = DataParser.Bytes2Int(temp);

                    leftBytes = nextPacketSize + 9;
                    await streamReader.LoadAsync((uint)leftBytes);

                    incompleteByteArray = new byte[leftBytes];
                    streamReader.ReadBytes(incompleteByteArray);
                    completeByteArray = new byte[nextPacketSize + 13];
                    System.Buffer.BlockCopy(DataParser.Int2Bytes(nextPacketSize), 0, completeByteArray, 0, sizeof(int));
                    System.Buffer.BlockCopy(incompleteByteArray, 0, completeByteArray, sizeof(int), incompleteByteArray.Length);
                }
            }
            return(output.ToArray());
        }