#pragma once
#pragma pack(1)

#include "kdefine.h"

__NAMESPACE_BEGIN__(HJ)

#define FRAME_HEADER_LENGTH (5)
#define FRAME_TAILE_LENGTH (4)

typedef enum tagErrorCode : unsigned char
{
    ERR_OK = 0X00,
    ERR_INVALID_LEN = 0X01,
    ERR_INVALID_UTF8 = 0X02,
    ERR_INVALID_BUF_LEN = 0X03,
    ERR_INVALID_JSON_FMT = 0X04,
    ERR_INVALID_FSUCODE = 0X05,
    ERR_INVALID_CFG_CONTENT = 0X06, // 文件内容错误
    ERR_RETRANS_CONTENT = 0X07, // 重传文件内容
    ERR_PERMISSION_DENIED = 0X08, //写文件权限不够
    ERR_UNKOWN = 0XFF
} ErrorCode;

typedef enum tagFrameType : unsigned char
{
    Frame_Response = 0x00, //返回帧
    Frame_Request = 0x01,  //请求帧
    Frame_Echo_Request = 0x02, //测试请求帧
    Frame_DeviceData_Request = 0x03, //来自采集程序的数据请求包，将数据保存到数据库中
    Frame_Configure_DB_Request = 0x04, //上传配置文件
} FrameType;

typedef struct tagFrameTail
{
    unsigned char frame_delimiter[4] = { 0xEE,0xFF,0xEE,0xFF };
} FrameTail;

#define FRAME_HEADER_LENGTH (5)   // frame_type(1) + frame_len(4)

typedef struct tagFrame
{
    FrameType frame_type;					//帧类型
    unsigned int frame_len;					//帧数据长度
    unsigned char frame_content[1];					//帧的内容，实际应为json字符串，由json内容自解释
    tagFrame()
    {
        frame_type = Frame_Response;
        frame_len = 1;
        frame_content[0] = ERR_OK;
    }
    void setErrorFrame(ErrorCode err = ERR_OK)
    {
        frame_len = 1;
        frame_content[0] = err;
    }
} MessageFrame;

__NAMESPACE_END__(HJ)

#pragma pack()