userprotocol.h

安全文件传输

#ifndef _USERPROTOCOL_H
#define _USERPROTOCOL_H
#define DATAMAXBUF 1024
#define FILELENGTH 20
#define COMMANDBUF 20
#define ERRNOBUF 20
#define USERLOGIN 1
#define USERREGISTER 2
#define UPLOADFILE 3
#define DOWNLOADFILE 4
#define DATASTART 1
#define DATATRANSMIT 2
#define DATAEND 3
/*
0 userLogin
1 userReg
2 upLoad
3 downLoad
*/
typedef struct userLogin
{
	char userName[20];
	char userPwd[20];	
}userLogin;

typedef struct userRegister
{
	char userName[20];
	char userPwd[20];
}userRegister;

typedef struct upLoadPacket
{
	char fileName[20];
	char fileTime[20];
	unsigned int fileSize;
}upLoadPack;
typedef struct downLoadPacket
{
	char fileName[20];
}downLoadPack;

typedef struct metaPacket
{
	char fileName[20];
	char fileTime[20];
	unsigned int fileSize;
}metaPack;

typedef struct comPacket
{
	unsigned int com;
	union 
	{
		userLogin userLog;
		userRegister userReg;
		upLoadPack upLoadPac;
		downLoadPack downLoadPac;
	}pack;
}commandType;

typedef struct fileData
{	
	char fileData[DATAMAXBUF];
	unsigned int dataSize; 
}fileData;

typedef struct dataProtocol
{
	fileData filedata;
	unsigned int status; //0 startfile 1 translation data 2 end file
}dataProtocol;
	

//enum errnoInformations {userLoginErrno = 18,userRegErrno,fileExistErrno,fileNotExistErrno}
#endif