Microsoft.Protocols.TestSuites.Common.OxcropsClient.ParseResponseBuffer C# (CSharp) Method

        private void ParseResponseBuffer(byte[] rgbOut, out RPC_HEADER_EXT[] rpcHeaderExts, out byte[][] rops, out uint[][] serverHandleObjectsTables)
        {
            List<RPC_HEADER_EXT> rpcHeaderExtList = new List<RPC_HEADER_EXT>();
            List<byte[]> ropList = new List<byte[]>();
            List<uint[]> serverHandleObjectList = new List<uint[]>();
            IntPtr ptr = IntPtr.Zero;

            int index = 0;
            bool end = false;
            do
            {
                // Parse rpc header ext
                RPC_HEADER_EXT rpcHeaderExt;
                ptr = Marshal.AllocHGlobal(RPCHEADEREXTLEN);
                try
                {
                    Marshal.Copy(rgbOut, index, ptr, RPCHEADEREXTLEN);
                    rpcHeaderExt = (RPC_HEADER_EXT)Marshal.PtrToStructure(ptr, typeof(RPC_HEADER_EXT));
                    rpcHeaderExtList.Add(rpcHeaderExt);
                    index += RPCHEADEREXTLEN;
                    end = (rpcHeaderExt.Flags & (ushort)RpcHeaderExtFlags.Last) == (ushort)RpcHeaderExtFlags.Last;
                }
                finally
                {
                    Marshal.FreeHGlobal(ptr);
                }

                #region  start parse payload

                // Parse ropSize
                ushort ropSize = BitConverter.ToUInt16(rgbOut, index);
                index += sizeof(ushort);

                if ((ropSize - sizeof(ushort)) > 0)
                {
                    // Parse rop
                    byte[] rop = new byte[ropSize - sizeof(ushort)];
                    Array.Copy(rgbOut, index, rop, 0, ropSize - sizeof(ushort));
                    ropList.Add(rop);
                    index += ropSize - sizeof(ushort);
                }

                // Parse server handle objects table
                this.site.Assert.IsTrue((rpcHeaderExt.Size - ropSize) % sizeof(uint) == 0, "Server object handle should be uint32 array");

                int count = (rpcHeaderExt.Size - ropSize) / sizeof(uint);
                if (count > 0)
                {
                    uint[] sohs = new uint[count];
                    for (int k = 0; k < count; k++)
                    {
                        sohs[k] = BitConverter.ToUInt32(rgbOut, index);
                        index += sizeof(uint);
                    }

                    serverHandleObjectList.Add(sohs);
                }
                #endregion
            }
            while (!end);

            rpcHeaderExts = rpcHeaderExtList.ToArray();
            rops = ropList.ToArray();
            serverHandleObjectsTables = serverHandleObjectList.ToArray();
        }