wirelessgateway/common/SH_CommonFunc.cpp

#include <time.h>
#include <sys/time.h>
#include "SH_global.h"
#include "SH_CommonFunc.hpp"
#include <boost/xpressive/xpressive_dynamic.hpp>


static boost::mutex s_config_mu;

int CheckFileVersion(int argc, char** argv)
{
    std::string strVersion = GlobalConfig::Version;
    int optionchar;             /*选项字<E9A1B9>??*/
    if (argc >= 2) {
        if (strcmp(argv[1], "--debugmode") == 0){
            GlobalConfig::RUN_MODE = 1;
            return 0;
        }
        optionchar = getopt(argc, argv, "vVhH?");
        switch (optionchar) {
        case 'v':
        case 'V':
            GlobalConfig::RUN_MODE = 1;
            print_debug("Compile time:%s %s\n", __DATE__, __TIME__);
            print_debug("The internal version is:%s.\n", strVersion.c_str());
            break;
        case 'h':
        case 'H':
        case '?':
            printf("Please input -v or -V to get the file version.\n");
            break;
        default:
            break;
        }
        return 1;
    }
    return 0;
}


std::string GetCurrentTime()
{
    struct tm nowtime;
    struct timeval tv;
    char time_now[128];
    gettimeofday(&tv, NULL);
    localtime_r(&tv.tv_sec,&nowtime);

    sprintf(time_now,"%d-%d-%d %d:%d:%d.%03d ",
        nowtime.tm_year+1900,
        nowtime.tm_mon+1,
        nowtime.tm_mday,
        nowtime.tm_hour,
        nowtime.tm_min,
        nowtime.tm_sec,
        (int)(tv.tv_usec/1000)
    );

    std::string strtime_now = std::string((char*)time_now);
    return strtime_now;
}

int system_custom(const char *cmd, char *buf)
{
    FILE * fp;
    int res; 
    char temp[1024] = {0};
    if (cmd == NULL) {
        return -1;    
    }

    if ((fp = popen(cmd, "r") ) == NULL) {
        print_error("popen error\n");
        return -1;
    } else {
        buf[0] = '\0';
        while (fgets(temp, sizeof(temp), fp)) {
            strcat(buf, temp);
        }
        res = pclose(fp);
    }

    char *p;
    int pos = 0;
    p = strstr(buf, "\n");
    if(p != NULL){
        pos = p - buf;
        buf[pos] = '\0';
    }

    return res;
}


std::string GetDayDate()
{
    time_t t = time(0); 
    char tmp[64]; 
    strftime(tmp, sizeof(tmp), "%Y-%m-%d",localtime(&t)); 
    std::string data = std::string((char*)tmp);
    return data;
}


void GetTimeNet(char* timebuf,int type)
{
    struct timeval tv;
    gettimeofday(&tv, NULL);
    int millisecond = tv.tv_usec / 1000;
    if(type == 0){
        sprintf(timebuf, "%ld%03d", tv.tv_sec, millisecond);
    } else {
        sprintf(timebuf, "%ld", tv.tv_sec);
    }

}

void GetTime_(char time_buff[],TIME_SIZE len)
{
	int i = sizeof(time_buff);
    memset(time_buff, 0, i);
    time_t timep;
    time(&timep);
    strcpy(time_buff, ctime(&timep));
    std::string strtemp = time_buff;
    strtemp = strtemp.substr(11, len);
    memset(time_buff, 0, strlen(time_buff));
    strcpy(time_buff, strtemp.c_str());
}

std::string ReadStrByOpt(std::string filename, std::string config, std::string option)
{
    boost::mutex::scoped_lock lock(s_config_mu);
    Json::Value root;
    Json::Reader reader;
    std::string value;
    std::fstream is;
    is.open(filename.c_str(), std::ios::in);
    if (reader.parse(is, root)) {
        value = root[config]["option"][option].asString();
    }
    is.close();
    return value;
}
std::vector <std::string> ReadStrByOpt(std::string filename,std::string strUpdataFileName)
{
    boost::mutex::scoped_lock lock(s_config_mu);
    Json::Value root,hwVersion;
    Json::Reader reader;
    std::vector <std::string> value;
    std::fstream is;
    is.open(filename.c_str(), std::ios::in);
    if (reader.parse(is, root)) {
    	hwVersion = root["hw_vesion"];
    	strUpdataFileName = root["fw_name"].asString();
    }
    for(int i = 0; i < hwVersion.size();i++){
    	value.push_back(hwVersion[i].asString());
    }

    is.close();
    return value;
}
int WriteStr2Config(std::string filename, std::string config, std::string option, std::string value, bool listable)
{
    boost::mutex::scoped_lock lock(s_config_mu);
    Json::Value root;
    Json::Value subroot;
    Json::Value list;
    Json::Value op;
    Json::Reader reader;
    std::fstream is;
    is.open(filename.c_str(), std::ios::in);
    if (reader.parse(is, root)) {
        subroot = root[config];
        if (listable)
            list = root[config]["list"];
        else
            op = root[config]["option"];
    }
    is.close();

    if (listable) {
        list[option].append(Json::Value(value));
        subroot["list"] = list;
    } else {
        op[option] = Json::Value(value);
        subroot["option"] = op;
    }
    root[config] = subroot;
    Json::StyledWriter sw;
    std::ofstream os;
    os.open(filename.c_str());
    os << sw.write(root);
    os.close();
    return 0;
}


std::string GetLocalMac()  
{  
    int sock_mac;  
    struct ifreq ifr_mac;  
    char mac_addr[30];     
    sock_mac = socket( AF_INET, SOCK_STREAM, 0 );  
    if( sock_mac == -1) {  
        perror("create socket falise...mac/n");  
        return "";  
    }  
    memset(&ifr_mac,0,sizeof(ifr_mac));     
    strncpy(ifr_mac.ifr_name, "eth0", sizeof(ifr_mac.ifr_name)-1);      
    if( (ioctl( sock_mac, SIOCGIFHWADDR, &ifr_mac)) < 0) {  
        printf("mac ioctl error/n");  
        return "";  
    }  
    sprintf(mac_addr,"%02x%02x%02x%02x%02x%02x",  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[0],  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[1],  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[2],  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[3],  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[4],  
            (unsigned char)ifr_mac.ifr_hwaddr.sa_data[5]);    
    printf("local mac:%s /n",mac_addr);      
    close( sock_mac );  
    return std::string( mac_addr );  
}

std::string GetGwIp_(const char *eth_name)
{
    int sockfd;
    char gwip_[16] = {0};
    if (-1 == (sockfd = socket(PF_INET, SOCK_STREAM, 0))) {
        perror_info("socket");
        return "";
    }
    struct ifreq req;
    struct sockaddr_in *host;

    bzero(&req, sizeof(struct ifreq));
    strcpy(req.ifr_name, eth_name);
    print_info("eth_name = %s\n",eth_name);
    ioctl(sockfd, SIOCGIFADDR, &req);
    host = (struct sockaddr_in*) &req.ifr_addr;
    close(sockfd);
    if (host) {
        strcpy(gwip_, inet_ntoa(host->sin_addr));
    }
    return std::string(gwip_);
}

std::string IpAddrInit()
{
    const char *WLAN0 = "wlan0";
    const char *ETH0 = "eth0";
    std::string strip;
    strip = GetGwIp_(ETH0);
    if (strip.compare("0.0.0.0") == 0) {
        strip = GetGwIp_(WLAN0);
    }
    return strip;
}

std::string GetWorkNic()
{
    const char *WLAN0 = "wlan0";
    const char *ETH0 = "eth0";
    std::string strip;
    strip = GetGwIp_(WLAN0);
    if (strip.compare("0.0.0.0") != 0) {
        return std::string(WLAN0);
    }
    strip = GetGwIp_(ETH0);
    if (strip.compare("0.0.0.0") != 0) {
        return std::string(ETH0);
    }
    return std::string(ETH0);
}

std::string& ClearAllSpace(std::string &str)
{
    int index = 0;
    if( !str.empty()) {
        while( (index = str.find(' ',index)) != string::npos) {
            str.erase(index,1);
        }
    }return str;
}

std::string GetSysInfo()
{
    const char * getCpuUse = "top -b -n 1 |grep Cpu | cut -d \",\" -f 1 | cut -d \":\" -f 2 |tr -d ' us'";
    char chRes[100] = {0};
    system_custom(getCpuUse, chRes);
    std::string CpuUse = std::string(chRes);

    const char * getCpuSys = "top -b -n 1 |grep Cpu | cut -d \",\" -f 2 |tr -d ' sy'";
    memset(chRes, 0, 100);
    system_custom(getCpuSys, chRes);
    std::string CpuSys = std::string(chRes);
    
    const char * getMemtotal = "cat /proc/meminfo | grep MemTotal | awk -F"":"" '{print $2}' |tr -d ' kB'";
    memset(chRes, 0, 100);
    system_custom(getMemtotal, chRes);
    std::string MemTotal = std::string(chRes);

    const char * getMemFree = "cat /proc/meminfo | grep MemFree | awk -F"":"" '{print $2}' |tr -d ' kB'";
    memset(chRes, 0, 100);
    system_custom(getMemFree, chRes);
    std::string MemFree = std::string(chRes);

    float a = boost::lexical_cast<float>(MemFree);
    float b = boost::lexical_cast<float>(MemTotal);
    float c = (1 - a/b)*100;

    const char * getEmmcInfo = "df -h | grep /dev/root";
    memset(chRes, 0, 100);
    system_custom(getEmmcInfo, chRes);
    std::string Emmcinfo = std::string(chRes);
    std::size_t found = Emmcinfo.find("%");
    if (found != std::string::npos) {
        Emmcinfo = Emmcinfo.substr(found-3, 3);
    }
    Emmcinfo = ClearAllSpace(Emmcinfo);
   
    char sysinfo[128] = {0};
    sprintf(sysinfo, "%-13s%-13s%-13s%-13s ", boost::lexical_cast<std::string>(c).substr(0,4).c_str(), CpuSys.c_str(), CpuUse.c_str(), Emmcinfo.c_str());
    return std::string(sysinfo);
}

void StartWriteToDat()
{
    print_info("start writetoDat\n");
}


float * ReSample(int WaveDataLength, int N, int *NewWaveDataLength, std::vector<float> & WaveData)
{
    if (N <= 0)
        return NULL;
    int NewLength = (int)WaveDataLength / N;
    float * _OutputData = new float[NewLength];
    for(int i = 0; i < NewLength; i++) {
        _OutputData[i] = WaveData[i * N];
    }
    *NewWaveDataLength = NewLength;
    return _OutputData;
}


int SetTime(unsigned long seconds, int milliseconds)
{
    struct timeval tv;
    time_t timep = (time_t)seconds;
    tv.tv_sec = timep;
    tv.tv_usec = milliseconds*1000;
    return settimeofday(&tv, NULL);
}

void RemoveConfig()
{
    char cmd[32] = { 0 };
    sprintf(cmd, "rm /CIDW/config/*");
    system(cmd);
    exit(0); 
}

extern void ZoneConfig(std::string zoneid)
{
    int a = 0;
    std::string zonelists[] = {"UTC+12","UTC+11","UTC+10","UTC+9","UTC+8","UTC+7","UTC+6","UTC+5","UTC+4","UTC+3","UTC+2","UTC+1","UTC+0","UTC-1","UTC-2","UTC-3","UTC-4","UTC-5","UTC-6","UTC-7","UTC-8","UTC-9","UTC-10","UTC-11"};
    for (int i = 0;i < sizeof(zonelists);i++)
    {
        if (zoneid.compare(zonelists[i]) == 0) {
            a = i;
            cout << "a = " << a << endl;
            break;
        }
    }
    switch(a){
        case 0:zoneid = "GMT-12";break;
        case 1:zoneid = "GMT-11";break;
        case 2:zoneid = "GMT-10";break;
        case 3:zoneid = "GMT-9";break;
        case 4:zoneid = "GMT-8";break;
        case 5:zoneid = "GMT-7";break;
        case 6:zoneid = "GMT-6";break;
        case 7:zoneid = "GMT-5";break;
        case 8:zoneid = "GMT-4";break;
        case 9:zoneid = "GMT-3";break;
        case 10:zoneid = "GMT-2";break;
        case 11:zoneid = "GMT-1";break;
        case 12:zoneid = "GMT-0";break;
        case 13:zoneid = "GMT+1";break;
        case 14:zoneid = "GMT+2";break;
        case 15:zoneid = "GMT+3";break;
        case 16:zoneid = "GMT+4";break;
        case 17:zoneid = "GMT+5";break;
        case 18:zoneid = "GMT+6";break;
        case 19:zoneid = "GMT+7";break;
        case 20:zoneid = "GMT+8";break;
        case 21:zoneid = "GMT+9";break;
        case 22:zoneid = "GMT+10";break;
        case 23:zoneid = "GMT+11";break;
    }
    char cmd[256] = { 0 };
    // sprintf(cmd, "rm /etc/localtime");
    // system(cmd);
    memset(cmd, 0, 256);
    sprintf(cmd, "sudo ln -sf /usr/share/zoneinfo/Etc/%s  /etc/localtime", zoneid.c_str());
    system(cmd);
    print_info("change timezone success!\n");
}

std::string GetFileContent(std::string filename, int line)
{
    std::string strFileContent("");
    std::ifstream ifileOut(filename.c_str());
    if(ifileOut.is_open()) { //文件打开
        int i = 1;
        while (!ifileOut.eof()) {
            if (line == 0) {
                std::string strTemp("");
                getline(ifileOut, strTemp);
                strFileContent += strTemp;
                strFileContent += "\r\n";
            } 
            if (line != 0) {
                std::string strTemp("");
                getline(ifileOut, strTemp);
                if (line == i) {
                    strFileContent = strTemp;
                    break;
                }
            }
            ++i;
        }
        ifileOut.close();
    }
    return strFileContent;
}


//BOOST用正则表达式验证ip地址合法
bool CheckIP(const char *ip)
{
    using namespace boost::xpressive;
    /* 定义正则表达式 */
    cregex reg_ip = cregex::compile("(25[0-5]|2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[1-9])[.](25[0-5]|2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])[.](25[0-5]|2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])[.](25[0-5]|2[0-5][0-9]|1[0-9][0-9]|[1-9][0-9]|[1-9])");
    return  regex_match(ip, reg_ip);
}

bool IsValidMask(std::string mask) {
    int iRet = -1;

    // 将IP地址由“点分十进制”转换成 “二进制整数”
    struct in_addr s;
    iRet = inet_pton(AF_INET, mask.c_str(), &s);

    // 转换成功返回1，说明是有效的IP地址
     if (iRet == 1) {
         // 从网络字节顺序转换为主机字节顺序
         unsigned int addr = ntohl(s.s_addr);

         // 转换为二进制字符串
         std::bitset<32> b((int)addr);
        std::string strMask = b.to_string();

        // 查找二进制字符串中的"01"，如果不存在，说明是有效的子网掩码
        return (strMask.find("01") == std::string::npos);
    }

    return false;
}
// int StatusPub()
// {
//     long mem_used = -1;
//     long mem_free = -1;
//     long mem_total = -1;
//     long mem_cached = -1; 
//     char name1[20]; 
//     std::string strMemTotal = GetFileContent("/proc/meminfo", 1);
//     std::string strMemFree = GetFileContent("/proc/meminfo", 2);
//     std::string strMemCache =  GetFileContent("/proc/meminfo", 5);

//     sscanf(strMemTotal.c_str(),"%s%ld",name1,&mem_total);
//     sscanf(strMemFree.c_str(),"%s%ld",name1,&mem_free);
//     sscanf(strMemCache.c_str(),"%s%ld",name1,&mem_cached);
//     mem_used = mem_total - mem_free;
//     float fMemRate = 1.0 * mem_used / mem_total;

//     float fCpuRate;
//     char name[8]; 
//     double cpu_idle = -1;
//     double cpu_sys = -1;
//     double cpu_user = -1;
//     double cpu_total = -1;
//     double cpu_wait = -1;
//     long int user,nice,sys,idle,iowait,irq,softirq;   
//     std::string strCpu1 = GetFileContent("/proc/stat", 1);
//     sscanf(strCpu1.c_str(),"%s%ld%ld%ld%ld%ld%ld%d",name,&user,&nice,&sys,&idle,&iowait,&irq,&softirq);
//     boost::this_thread::sleep(boost::posix_time::seconds(2));
//     long int userNext,niceNext,sysNext,idleNext,iowaitNext,irqNext,softirqNext;
//     std::string strCpu2 = GetFileContent("/proc/stat", 1);
//     sscanf(strCpu2.c_str(),"%s%ld%ld%ld%ld%ld%ld%d",name,&userNext,&niceNext,&sysNext,&idleNext,&iowaitNext,&irqNext,&softirqNext);
//     cpu_total = (userNext+niceNext+sysNext+idleNext+iowaitNext+irqNext+softirqNext) - (user+nice+sys+idle+iowait+irq+softirq);
//     cpu_user = userNext - user;
//     cpu_sys = sysNext - sys;
//     cpu_wait = iowaitNext - iowait;
//     cpu_idle = idleNext - idle;  
//     fCpuRate = 1.0*(cpu_total - cpu_idle) / cpu_total;
//     float rateUser = cpu_user *100.0/cpu_total;
//     float rateSys = cpu_sys * 100.0/cpu_total;

//     if (rateUser > 95) {
//         rateUser = 92;
//     }

//     /*获取温度 */
//     std::string tempRaw = GetFileContent(TEMPER_RAW, 1);
//     std::string temperOffset = GetFileContent(TEMPER_OFFSET, 1);
//     std::string temperScale = GetFileContent(TEMPER_SCALE, 1);
//     float temperature = ((boost::lexical_cast<float>(tempRaw) + boost::lexical_cast<float>(temperOffset)) * boost::lexical_cast<float>(temperScale))/1000;

//     char hardName[32];
//     char hardTotal[32];
//     char hardUse[32];
//     char hardFree[32];
//     char rateHardUse[32]; 
//     const char * getEmmcInfo = "df -h | grep /dev/root";
//     char chRes[100];
//     memset(chRes, 0, 100);
//     system_custom(getEmmcInfo, chRes);
//     sscanf(chRes,"%s%s%s%s%s",hardName, hardTotal, hardUse, hardFree, rateHardUse);
//     std::string strhardTotal(hardTotal);
//     std::string strhardFree(hardFree);
//     std::string strrateHardUse(rateHardUse);

//     Json::Value jsData;
// 	Json::FastWriter fw;
// 	jsData["dataNodeGatewayNo"] = GlobalConfig::MacAddr_G; 
//     jsData["cpuUserUse"] = rateUser;
//     jsData["memoryTotal"] = (int)mem_total;
//     jsData["memoryFree"] = (int)mem_free;
//     jsData["memoryUse"] = fMemRate * 100;
//     jsData["hardDiskTotal"] = boost::lexical_cast<double>(strhardTotal.substr(0,strhardTotal.length() - 1));
//     jsData["hardDiskFree"] = boost::lexical_cast<double>(strhardFree.substr(0,strhardFree.length() - 1));
    
//     double total = boost::lexical_cast<double>(strhardTotal.substr(0,strhardTotal.length() - 1));
//     double free = boost::lexical_cast<double>(strhardFree.substr(0,strhardFree.length() - 1));
//     double use = ((total - free) / free) * 100;
//    // jsData["hardDiskUse"] = boost::lexical_cast<double>(strrateHardUse.substr(0,strrateHardUse.length() - 1));
//     jsData["hardDiskUse"] = use;
//     jsData["cpuSystemUse"] = rateSys;
//     jsData["temperature"] = temperature;

//     char localtimestamp[32] = { 0 };
//     GetTimeNet(localtimestamp, 1);
//     std::string nowTimetamp = std::string(localtimestamp);	
//     jsData["updateTime"] = nowTimetamp;
//     std::string strJson = fw.write(jsData);
//     data_publish(strJson.c_str(), GlobalConfig::Topic_G.mPubStatus.c_str());

//     std::string strInfo = "mem:"+boost::lexical_cast<std::string>(fMemRate * 100) + "tem:"+boost::lexical_cast<std::string>(temperature);


//     return 0;
// }


std::string GetSysStatus()
{
    long mem_used = -1;
    long mem_free = -1;
    long mem_total = -1;
    long mem_cached = -1; 
    char name1[20]; 
    std::string strMemTotal = GetFileContent("/proc/meminfo", 1);
    std::string strMemFree = GetFileContent("/proc/meminfo", 2);
    std::string strMemCache =  GetFileContent("/proc/meminfo", 5);

    sscanf(strMemTotal.c_str(),"%s%ld",name1,&mem_total);
    sscanf(strMemFree.c_str(),"%s%ld",name1,&mem_free);
    sscanf(strMemCache.c_str(),"%s%ld",name1,&mem_cached);
    mem_used = mem_total - mem_free;
    float fMemRate = 1.0 * mem_used / mem_total;

    float fCpuRate;
    char name[8]; 
    double cpu_idle = -1;
    double cpu_sys = -1;
    double cpu_user = -1;
    double cpu_total = -1;
    double cpu_wait = -1;
    long int user,nice,sys,idle,iowait,irq,softirq;   
    std::string strCpu1 = GetFileContent("/proc/stat", 1);
    sscanf(strCpu1.c_str(),"%s%ld%ld%ld%ld%ld%ld%d",name,&user,&nice,&sys,&idle,&iowait,&irq,&softirq);
    sleep(1);
    long int userNext,niceNext,sysNext,idleNext,iowaitNext,irqNext,softirqNext;
    std::string strCpu2 = GetFileContent("/proc/stat", 1);
    sscanf(strCpu2.c_str(),"%s%ld%ld%ld%ld%ld%ld%d",name,&userNext,&niceNext,&sysNext,&idleNext,&iowaitNext,&irqNext,&softirqNext);
    cpu_total = (userNext+niceNext+sysNext+idleNext+iowaitNext+irqNext+softirqNext) - (user+nice+sys+idle+iowait+irq+softirq);
    cpu_user = userNext - user;
    cpu_sys = sysNext - sys;
    cpu_wait = iowaitNext - iowait;
    cpu_idle = idleNext - idle;  
    fCpuRate = 1.0*(cpu_total - cpu_idle) / cpu_total;
    float rateUser = cpu_user *100.0/cpu_total;
    float rateSys = cpu_sys * 100.0/cpu_total;
    if (rateUser > 95) {
        rateUser = 92;
    }

    char hardName[32];
    char hardTotal[32];
    char hardUse[32];
    char hardFree[32];
    char rateHardUse[32]; 
    const char * getEmmcInfo = "df -h | grep /opt";
    char chRes[100];
    memset(chRes, 0, 100);
    system_custom(getEmmcInfo, chRes);
    sscanf(chRes,"%s%s%s%s%s",hardName, hardTotal, hardUse, hardFree, rateHardUse);
    std::string strhardTotal(hardTotal);
    std::string strhardFree(hardFree);
    std::string strrateHardUse(rateHardUse);
    

    Json::Value jsData;
	Json::FastWriter fw;
	jsData["dataNodeGatewayNo"] = GlobalConfig::MacAddr_G; 
    jsData["cpuUserUse"] = rateUser;
    jsData["memoryTotal"] = (int)mem_total;
    jsData["memoryFree"] = (int)mem_free;
    jsData["memoryUse"] = fMemRate * 100;
    jsData["hardDiskTotal"] = boost::lexical_cast<double>(strhardTotal.substr(0,strhardTotal.length() - 1));
    jsData["hardDiskFree"] = boost::lexical_cast<double>(strhardFree.substr(0,strhardFree.length() - 1));
    
    double total = boost::lexical_cast<double>(strhardTotal.substr(0,strhardTotal.length() - 1));
    double free = boost::lexical_cast<double>(strhardFree.substr(0,strhardFree.length() - 1));
    double use = ((total - free) / total) * 100;
   // jsData["hardDiskUse"] = boost::lexical_cast<double>(strrateHardUse.substr(0,strrateHardUse.length() - 1));
    jsData["hardDiskUse"] = use;
    jsData["cpuSystemUse"] = rateSys;

    char localtimestamp[32] = { 0 };
    GetTimeNet(localtimestamp, 1);
    std::string nowTimetamp = std::string(localtimestamp);	
    jsData["updateTime"] = nowTimetamp;
    std::string strJson = fw.write(jsData); 
    return strJson;
}

void swap(char *data)
{
	int tmp;
	tmp = data[1];
	data[1] = data[0];
	data[0] = tmp;
}

static const char* JSON_FIELD_CMD = "cmd";//协议:    命令字段
static const char* JSON_FIELD_NAME = "dataWatchName";//协议: 终端名称
static const char* JSON_FIELD_dataNodeGatewayNo = "dataNodeGatewayNo";
static const char* JSON_FIELD_ASSETID = "dataWatchAssetId";//协议:    资产编号  字段
static const char* JSON_FIELD_ADDEDBY = "dataWatchAddedBy";//协议:    添加人  字段
static const char* JSON_FIELD_DEVICETYPE = "deviceType";
static const char* JSON_FIELD_ADDEDDATE = "dataWatchAddedDate";
static const char* JSON_FIELD_IPADDRESS = "dataWatchIpAddress";
static const char* JSON_FIELD_SN = "serialNumber";
static const char* JSON_FIELD_VERSION = "softVersion";
static const char* JSON_FIELD_TIMEZONE = "timezone";