/* example of a timer */
/* sets a timer that triggers every 10 seconds for 4 times */
/*
   ECE 264
   Yung-Hsiang Lu, Purdue
   Spring 2009
*/

#include <sys/time.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
int handleCounter = 0;
struct itimerval tval;
void handleTimer(int v)
{
  printf("handleTimer\n");
  handleCounter ++;
  if (handleCounter < 4) 
    { 
      setitimer(ITIMER_REAL, &tval,0);
      signal(SIGALRM, handleTimer); 
    }
}

int main(int argc, char * argv [])
{
  FILE * fptr = NULL;
  int curX = 0;
  int curY = 0;
  int ID = 0;
  int width = 0;
  int height = 0;
  char oneLine[1024]; /* should be long enough */
  if (argc < 2)
    {
      printf("need the input file\n");
      return -1;
    }
  fptr = fopen(argv[1], "r");
  if (fptr == NULL)
    {
      printf("cannot open file\n");
      return -1;
    }
  while (feof(fptr) == 0)
    {
      /* reset */
      strcpy(oneLine, "");
      fgets(oneLine, 1023, fptr);
      oneLine[1023] = '\0'; /* terminate the string */
      if (sscanf(oneLine, "%d %d %d", & ID, & width, & height) == 3)
	{
	  /* ignore area */
	  printf("%d %d %d 0\n", ID, curX, curY); 
	  /* never rotate */
	  curX += (width * 2);
	  curY += (height * 2);
	}
    }
  fclose (fptr);
  tval.it_interval.tv_sec = 0;
  tval.it_interval.tv_usec = 0;
  tval.it_value.tv_sec = 10;  /* wait for 10 seconds */
  tval.it_value.tv_usec = 0;
  setitimer(ITIMER_REAL, &tval,0);
  signal(SIGALRM, handleTimer);
  while (handleCounter < 4)
    {
      /* wait for the timer */
    }
  return 0;
}