servermain.cpp

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <sys/time.h>

/* You will to add includes here */


// Included to get the support library
#include <calcLib.h>

#include "protocol.h"


using namespace std;
/* Needs to be global, to be rechable by callback and main */
int loopCount=0;
int terminate=0;


/* Call back function, will be called when the SIGALRM is raised when the timer expires. */
void checkJobbList(int signum){
  // As anybody can call the handler, its good coding to check the signal number that called it.

  printf("Let me be, I want to sleep, loopCount = %d.\n", loopCount);

  if(loopCount>20){
    printf("I had enough.\n");
    terminate=1;
  }
  
  return;
}





int main(int argc, char *argv[]){
  
  /* Do more magic */


  /* 
     Prepare to setup a reoccurring event every 10s. If it_interval, or it_value is omitted, it will be a single alarm 10s after it has been set. 
  */
  struct itimerval alarmTime;
  alarmTime.it_interval.tv_sec=10;
  alarmTime.it_interval.tv_usec=10;
  alarmTime.it_value.tv_sec=10;
  alarmTime.it_value.tv_usec=10;

  /* Regiter a callback function, associated with the SIGALRM signal, which will be raised when the alarm goes of */
  signal(SIGALRM, checkJobbList);
  setitimer(ITIMER_REAL,&alarmTime,NULL); // Start/register the alarm. 

#ifdef DEBUG
  printf("DEBUGGER LINE ");
#endif
  
  
  while(terminate==0){
    printf("This is the main loop, %d time.\n",loopCount);
    sleep(1);
    loopCount++;
  }

  printf("done.\n");
  return(0);


  
}