emsApplication/applications/ems_datahubs/frame_define.h

#pragma once
#pragma pack(1)

#include "kdefine.h"

__NAMESPACE_BEGIN__(HJ)

#define FRAME_HEADER_LENGTH (5)
#define FRAME_TAILE_LENGTH (4)
#define FRAME_MAX_LENGTH (0x100000) //<2F><><EFBFBD><EFBFBD>1Mb <20>ֽ<EFBFBD>
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, // <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>
	ERR_RETRANS_CONTENT = 0X07, // <20>ش<EFBFBD><D8B4>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>
	ERR_PERMISSION_DENIED = 0X08, //д<>ļ<EFBFBD>Ȩ<EFBFBD>޲<EFBFBD><DEB2><EFBFBD>
	ERR_UNKOWN = 0XFF
}ErrorCode;

typedef enum tagFrameType : unsigned char
{
	Frame_Response = 0x00, //<2F><><EFBFBD><EFBFBD>֡
	Frame_Request = 0x01,  //<2F><><EFBFBD><EFBFBD>֡
	Frame_Echo_Request = 0x02, //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
	Frame_DeviceData_Request = 0x03, //<2F><><EFBFBD>Բɼ<D4B2><C9BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1>浽<EFBFBD><E6B5BD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD>
	Frame_Configure_DB_Request = 0x04, //<2F>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
}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;					//֡<><D6A1><EFBFBD><EFBFBD>
	unsigned int frame_len;					//֡<><D6A1><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
	unsigned char frame_content[1];					//֡<><D6A1><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>ʵ<EFBFBD><CAB5>ӦΪjson<6F>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>json<6F><6E><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD>
	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()