Esempio n. 1
0
        public static IntPtr ToStructurePointer(this devinfo_t value)
        {
            var size    = Marshal.SizeOf(value);
            var pointer = Marshal.AllocHGlobal(size);

            Marshal.StructureToPtr(value, pointer, true);
            return(pointer);
        }
Esempio n. 2
0
        /// <summary>
        /// 打包
        /// </summary>
        static (IntPtr ptr, int len) Pack()
        {
            var device = new DeviceInfo()
            {
                DEVINFO_TYPE_DID         = "005",
                DEVINFO_TYPE_DEV_PRI_KEY = "dsajfdscSjdfaDDSKCNkdajcnAS11AS_",
            };

            // 获取设备类型元数据
            var type  = typeof(DeviceInfo);
            var props = type.GetProperties();


            // 设备结构体
            var devInfo = new devinfo_t
            {
                filed = new string_t[props.Length],
            };

            // 设置devinfo_t结构
            for (int i = 0; i < props.Length; i++)
            {
                var s = (string)props[i].GetValue(device) ?? string.Empty;
                string_assign(out var st, s, s.Length);

                devInfo.filed[i] = st;
            }

            //for (int i = 0; i < devInfo.filed.Length; i++)
            //{
            //    var field = devInfo.filed[i];
            //    var s = Marshal.PtrToStringUTF8(field.s, field.len);
            //}

            // 打包为二进制数据
            var ptr     = devInfo.ToStructurePointer();
            var pointer = HeyThings_devinfo_pack(ptr, 0, out var len);

            Console.WriteLine($"len: {len.ToString()}, ptr: {pointer.ToString()}");

            var data = new byte[len];

            Marshal.Copy(pointer, data, 0, len);
            Console.WriteLine($"Data: {BitConverter.ToString(data)}");

            return(pointer, len);
        }