/*
 * A test program that "simulates" the powers of 2, 3, and 5 up to
 * exponent 5.  For testing.
 * 
 * Based on code written by Gary Lindstrom.
 */
#include <stdlib.h>
#include <stdio.h>
#include "scheduler.h"

struct powers {
    struct process super;
    long base;
};

static void 
powers_body(struct process *p)
{
    struct powers *self = (struct powers *)p;
    struct scheduler *sched = p->scheduler;
    int next_time = self->base;
    for (int i = 1; i <= 5; i++)
    { 
        sched_hold(sched, next_time - sched->clock);
        printf("%ld ^ %d = %d.\n", self->base, i, sched->clock);
        next_time = sched->clock * self->base;
    }
}

static struct process *
powers_create(struct scheduler *sched, const char *n, int base)
{
    struct powers *powers = calloc(1, sizeof(*powers));
    powers->base = base;
    process_init(&powers->super, n, sched, powers_body);
    return &powers->super;
}

int
main() 
{
    struct scheduler *sched = sched_create();

    sched_activate_now(sched, powers_create(sched, "2-powers", 2));
    sched_activate_now(sched, powers_create(sched, "3-powers", 3));
    sched_activate_now(sched, powers_create(sched, "5-powers", 5));
    // sched_print_ev_list(sched);
    sched_run_simulation(sched);
}