61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#pragma once
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#pragma pack(1)
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#include "kdefine.h"
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__NAMESPACE_BEGIN__(HJ)
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#define FRAME_HEADER_LENGTH (5)
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#define FRAME_TAILE_LENGTH (4)
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#define FRAME_MAX_LENGTH (0x100000) //限制1Mb 字节
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typedef enum tagErrorCode : unsigned char
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{
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ERR_OK = 0X00,
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ERR_INVALID_LEN = 0X01,
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ERR_INVALID_UTF8 = 0X02,
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ERR_INVALID_BUF_LEN = 0X03,
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ERR_INVALID_JSON_FMT = 0X04,
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ERR_INVALID_FSUCODE = 0X05,
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ERR_INVALID_CFG_CONTENT = 0X06, // 文件内容错误
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ERR_RETRANS_CONTENT = 0X07, // 重传文件内容
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ERR_PERMISSION_DENIED = 0X08, //写文件权限不够
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ERR_UNKOWN = 0XFF
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}ErrorCode;
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typedef enum tagFrameType : unsigned char
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{
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Frame_Response = 0x00, //返回帧
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Frame_Request = 0x01, //请求帧
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Frame_Echo_Request = 0x02, //测试请求帧
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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
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Frame_Configure_DB_Request = 0x04, //上传配置文件
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}FrameType;
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typedef struct tagFrameTail
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{
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unsigned char frame_delimiter[4] = { 0xEE,0xFF,0xEE,0xFF };
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}FrameTail;
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#define FRAME_HEADER_LENGTH (5) // frame_type(1) + frame_len(4)
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typedef struct tagFrame
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{
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FrameType frame_type; //帧类型
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unsigned int frame_len; //帧数据长度
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unsigned char frame_content[1]; //帧的内容，实际应为json字符串，由json内容自解释
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tagFrame()
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{
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frame_type = Frame_Response;
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frame_len = 1;
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frame_content[0] = ERR_OK;
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}
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void setErrorFrame(ErrorCode err = ERR_OK)
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{
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frame_len = 1;
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frame_content[0] = err;
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}
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}MessageFrame;
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__NAMESPACE_END__(HJ)
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#pragma pack() |