#include <unistd.h>
#include <stdlib.h>

#include <sys/types.h>
#include <sys/loadavg.h>

#include <stdio.h>

#include <time.h>

#include "common.h"

void set_id( struct inf_t *data ) {
   data->id.gid = getgid();
   data->id.pid = getpid();
   data->id.uid = getuid();
}

int update_inf( struct inf_t *data, time_t start ) {
   data->time = (double)(time(NULL) - start);
   if( getloadavg( data->loadavg, 3) < 0 ) {
      return -1;
   } 
   return 0;
}

#define TEMPLATE_ID   "PID: %5d\tGID: %5d\tUID: %5d\n"
#define TEMPLATE_TIME "TIME: %.2f\n"
#define TEMPLATE_LOAD "LOAD 5: %.4f\tLOAD 10: %.4f\tLOAD 15: %.4f\n" 

void print_inf( struct inf_t *data ) {
   printf( 
      TEMPLATE_ID TEMPLATE_TIME TEMPLATE_LOAD, 
      data->id.pid, data->id.gid, data->id.uid, (double)data->time, 
      data->loadavg[0], data->loadavg[1], data->loadavg[2] 
   );
}