ytService/ytServiceDog/main.cpp

#include <QCoreApplication>
#include "ytservicedog.h"

YT_SERVICE_SHM *ytShm;
bool isRuning;

bool load_shm(){
    int shmid;
    key_t key;
    if((key = ftok(SHM_PATH,static_cast<int>(SHM_PORT)))==-1)
        return false;
    if((shmid = shmget(key,sizeof(YT_SERVICE_SHM),IPC_CREAT|0666))==-1)
        return false;
    ytShm = static_cast<YT_SERVICE_SHM *>(shmat(shmid,nullptr,0));
    return true;
}

void chk_program(){
    int ret = 0;
    bool need_start = false;
    time_t uptime = time(static_cast<time_t *>(nullptr));
    if(isRuning)
        return;
    isRuning = true;
    if((uptime-ytShm->updatetime[CORE_MAIN])>30)
        need_start = true;
//    if((uptime-ytShm->updatetime[DB_THREAD])>300)
//        need_start = true;
    if(need_start){
        ytShm->updatetime[CORE_MAIN] = uptime;
        ytShm->updatetime[DB_THREAD] = uptime;
        ret = system("killall ytServiceCore");
        ret = system("/root/bin/ytServiceCore &");
    }
    isRuning = false;
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    isRuning = false;
    if(load_shm()){
        while(1){
            chk_program();
            sleep(1);
        }
    }
    return a.exec();
}