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自定义协议（客户端）
协议文件定义，头文件
#pragma once
//
// constants define
//
#define SOCKETCREATEFAIL -1
#define SOCKETBINDFAIL -2
#define SOCKETIOCTLFAIL -3
#define SOCKETSETLECTFAIL -4
#define SOCKETCONETCFAIL -5
//
// struct define
//
typedef struct {
unsigned char SystemID;
unsigned char NULL1;
unsigned char headerlength;
unsigned char IDopCode;
unsigned char OpCodelength;
unsigned char OpCode;
unsigned char ORGField;
unsigned char ORGfieldlength;
unsigned char ORGID;
unsigned char DBNR;
unsigned char HighofStartAddress;
unsigned char LowofStartAddress;
unsigned char HighofLength;
unsigned char LowofLength;
unsigned char EmptyField;
unsigned char LengthofEmptyField;
unsigned char Data;
}StructReqFrame;
typedef struct {
int Area;
int DBNR;
int StartAddress;
int Length;
}StructPLCAddr;
//
// function header
//
void Log(char *LogFileDirectory ,char pData[4096], int len, int nDatatype);
int CreateTCPSocket(struct sockaddr_in *socketAddr);
协议文件CPP
#include <StdAfx.h>
#include "DrvProtocol .h"
#include <windows.h>
#include <time.h>
#include <locale.h>
#include <stdio.h>
#include <WINSOCK2.H>
extern char szDllPath[80];
void Log(char *LogFileDirectory ,char pData[4096], int len, int nDatatype)
{
SYSTEMTIME st;
setlocale(LC_ALL, "");
GetLocalTime(&st);
char *sPath = new char[256];
char *sFile = new char[256];
char *sWrite = new char[5000];
memset(sWrite, 0, 5000);
memset(sPath, 0, 256);
strcpy(sPath, LogFileDirectory) ;
memset(sFile, 0, 256);
sprintf(sFile, "%d%02d%02d%02d.log", st.wYear, st.wMonth, st.wDay, st.wHour);
sprintf(sPath, "%s\\%s", LogFileDirectory, sFile);
sprintf(sWrite, "%02d:%02d:%02d ", st.wHour, st.wMinute, st.wSecond);
switch(nDatatype)
{
case 1:
strcat(sWrite,"发送：");
break;
case 2:
strcat(sWrite,"接收：");
break;
default:
strcat(sWrite,"消息：");
break;
}
if(nDatatype == 1 || nDatatype == 2)
{
for (int i=0; i<len; i++)
{
char temp[20];
memset(temp, 0, 20);
sprintf(temp, "%02X ", pData[i]);
if( pData[i] & 0x80)
{
strcat(sWrite, temp + 6);
}
else strcat(sWrite, temp);
}
}
else
strcat(sWrite,pData);
strcat(sWrite, "\r");
strcat(sWrite, "\n");
FILE *pFile;
pFile = fopen(sPath, "at+");
if (pFile != NULL)
{
fputs(sWrite, pFile);
fclose(pFile);
}
delete sFile;
delete sWrite;
delete sPath;
}
int CreateTCPSocket(struct sockaddr_in *socketAddr)
{
int ret;
int nsocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (nsocket == INVALID_SOCKET)
{
printf("socket() failed!\n");
return SOCKETCREATEFAIL;
}
ret = connect(nsocket, (struct sockaddr *)socketAddr, sizeof(*socketAddr));
if (ret == SOCKET_ERROR)
{
printf("connect() failed!\n");
closesocket(nsocket);
return SOCKETCONETCFAIL;
}
// unsigned long ul = 1;
// ret = ioctlsocket(nsocket,FIONBIO,(unsigned long*)&ul);
// if(ret==SOCKET_ERROR)
// {
// closesocket(nsocket);
// Log(szDllPath,"ioctlsocket socket fail",22,3);
// WSACleanup();
// return SOCKETIOCTLFAIL;
// }
return nsocket;
}调用CPP
// CPReadWrite.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdlib.h>
#include "DrvProtocol .h"
#include <winsock.h>
#pragma comment(lib,"Ws2_32")
char szDllPath[80];
WORD wCommand = 1;
char *pCharData;
int PlcAddrConfig(char * strConfigFile, StructPLCAddr * &plcAddr,char * &pCh)
{
int nret = -1;
int ntmp = 0;
int ntotal;
char strBuffer[64];
int nAddrtotallLength = 0;
ntotal = GetPrivateProfileInt("PLCDATA","TOTALDATA",-1,strConfigFile);
if(- 1 == ntotal) return -1;
plcAddr = new StructPLCAddr[ntotal + 1];
memset(plcAddr,0,sizeof(StructPLCAddr) * (ntotal + 1));
while(nret)
{
char* pChr,*pNchr;
memset(strBuffer,0,64);
nret = GetPrivateProfileString("PLCDATA",NULL,"",strBuffer,sizeof(strBuffer),strConfigFile);
printf("KeyName:%s",strBuffer);
nret = GetPrivateProfileString("PLCDATA",strBuffer,"",strBuffer,sizeof(strBuffer),strConfigFile);
printf("Value:%s\n",strBuffer);
pChr = strBuffer;
pNchr = strchr(pChr,‘|‘);
plcAddr[ntmp].Area = atoi(strstr(pChr,pNchr));
pChr = pNchr;
pNchr = strchr(pChr,‘|‘);
plcAddr[ntmp].DBNR = atoi(strstr(pChr,pNchr));
pChr = pNchr;
pNchr = strchr(pChr,‘|‘);
plcAddr[ntmp].StartAddress = atoi(strstr(pChr,pNchr));
pChr = pNchr;
pNchr = strchr(pChr,‘|‘);
plcAddr[ntmp].Length = atoi(strstr(pChr,pNchr));
pChr = pNchr;
nAddrtotallLength += plcAddr[ntmp].Length;
if(++ntmp = ntotal)
{
break;
}
}
if(!nret)
{
Log(szDllPath,"the configure TOTALDATA > PLCDATA number",45,3);
}
pCh = new char[ntmp];
memset(pCh,0,ntmp);
return 0;
}
void main(int argc, char* argv[])
{
char *strIniFile = ".\\SiemensCP.ini";
StructPLCAddr *pPlcAddre;
StructPLCAddr *t_pPlcAddre;
StructReqFrame ReqFrame;
char *t_pCharData;
PlcAddrConfig(strIniFile,pPlcAddre,pCharData);
t_pPlcAddre = pPlcAddre;
t_pCharData = pCharData;
SOCKET socket_Fetch = 0;
SOCKET socket_Write = 0;
sockaddr_in socketAddr;
char *chipAddress = new char[40];
char *socketBuff = new char[2049];
WORD ret = 0;
strcpy(szDllPath,"D:\\");
memset(chipAddress,0,40);
memset(socketBuff,0,2049);
ReqFrame.SystemID = 0x53;
ReqFrame.NULL1 = 0x35;
ReqFrame.headerlength = 0x10;
ReqFrame.IDopCode = 0x01;
ReqFrame.OpCodelength = 0x03;
ReqFrame.ORGField = 0x03;
ReqFrame.ORGfieldlength= 0x08;
int nPort;
WSADATA wsaData;
ret = WSAStartup(MAKEWORD(2, 2), &wsaData);
if(ret!=0)
{
WSACleanup();
return ;
}
if(LOBYTE(wsaData.wVersion)!=2 || HIBYTE(wsaData.wVersion)!=2)
{
WSACleanup();
printf("Invalid WinSock version!\n");
return ;
}
socketAddr.sin_family = AF_INET;
GetPrivateProfileString("SIEMENSCP","FETCHIP",NULL,chipAddress,40,strIniFile);
nPort = GetPrivateProfileInt("SIEMENSCP","FETCHPORT",NULL,strIniFile);
socketAddr.sin_port = htons(nPort);
socketAddr.sin_addr.S_un.S_addr = inet_addr(chipAddress);
Log(szDllPath,"Fetch ip:",9,3);
Log(szDllPath,chipAddress,20,3);
socket_Fetch = CreateTCPSocket(&socketAddr);
GetPrivateProfileString("SIEMENSCP","WRITEIP ",NULL,chipAddress,40,strIniFile);
nPort = GetPrivateProfileInt("SIEMENSCP","WRITEPORT",NULL,strIniFile);
socketAddr.sin_port = htons(nPort);
socketAddr.sin_addr.S_un.S_addr = inet_addr(chipAddress);
Log(szDllPath,"Write ip:",9,3);
Log(szDllPath,chipAddress,20,3);
socket_Write = CreateTCPSocket(&socketAddr);
while(socket_Fetch > 0 && socket_Write > 0)
{
ReqFrame.EmptyField = (char)0XFF;
ReqFrame.LengthofEmptyField = 0x02;
if(0 == wCommand) break;
switch(wCommand)
{
case 1:
ReqFrame.OpCode = 0x05;
Log(szDllPath,(char*)&ReqFrame,16,1);
memcpy(socketBuff,&ReqFrame,16);
while(pPlcAddre->Area)
{
send(socket_Fetch,socketBuff,16,0);
memset(socketBuff,0,2049);
recv(socket_Fetch,socketBuff,2048,0);
strcpy(t_pCharData,(socketBuff + pPlcAddre->Length + 1));
t_pCharData += pPlcAddre->Length;
pPlcAddre++;
}
Log(szDllPath,socketBuff,17 + (int)ReqFrame.LowofLength + (int)ReqFrame.HighofLength,2);
break;
case 2:
ReqFrame.OpCode = 0x03;
memcpy(socketBuff,&ReqFrame,17);
Log(szDllPath,(char*)&ReqFrame,16 + (int)ReqFrame.LowofLength + (int)ReqFrame.HighofLength,1);
send(socket_Write,socketBuff,16 + (int)ReqFrame.LowofLength + (int)ReqFrame.HighofLength,0);
memset(socketBuff,0,2049);
do
{
recv(socket_Write,socketBuff,2048,0);
}while(NULL == *socketBuff);
Log(szDllPath,socketBuff,16,2);
break;
default:
break;
}
}
delete chipAddress;
delete socketBuff;
delete pPlcAddre;
delete pCharData;
closesocket(socket_Fetch);
closesocket(socket_Write);
Log(szDllPath,"PLC thread exit",16,3);
WSACleanup();
return ;
}配置文件
[SIEMENSCP] DEBUG = 1 FETCHIP = 172.30.0.204 FETCHPORT = 2000 WRITEIP = 172.30.0.204 WRITEPORT = 2001 TOTALLENGTH = 250 [PLCDATA] 1 = 区|开始地址|长度 2 = 区|开始地址|长度 3 = 区|开始地址|长度 4 = 区|开始地址|长度 ;01 = 0X0000 -- 0XEFFF ;栈 0 - 15 板 0 - 15 ;02 = 0XF000 -- 0XF1FF ;栈 16 板 1 通道 0 - 127 ;03 = 0XF200 -- 0XF28F ;栈 16 板 2 通道 0 - 127 ;04 = 0XF290 -- 0XF2FF ;栈 16 板 2 通道 128 - 255 ;05 = 0XF300 -- 0XF3FF ;栈 16 板 3 通道 0 - 255 ;06 = 0XF400 -- 0XF4FF ;栈 16 板 4 通道 0 - 255 ;07 = 0XF500 -- 0XF5FF ;栈 16 板 5 通道 0 - 255
自定义协议（客户端）
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