bin/tests/timer_test.c

	timer_test.c revision dafcb997e390efa4423883dafd100c975c4095d6
/*
 * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1998-2001  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: timer_test.c,v 1.38 2004/03/05 04:58:40 marka Exp $ */

#include <config.h>

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

#include <isc/mem.h>
#include <isc/task.h>
#include <isc/time.h>
#include <isc/timer.h>
#include <isc/util.h>

isc_mem_t *mctx1, *mctx2, *mctx3;
isc_task_t *t1, *t2, *t3;
isc_timer_t *ti1, *ti2, *ti3;
int tick_count = 0;

static void
shutdown_task(isc_task_t *task, isc_event_t *event) {
    char *name = event->ev_arg;

    printf("task %p shutdown %s\n", task, name);
    isc_event_free(&event);
}

static void
tick(isc_task_t *task, isc_event_t *event) {
    char *name = event->ev_arg;

    INSIST(event->ev_type == ISC_TIMEREVENT_TICK);

    printf("task %s (%p) tick\n", name, task);

    tick_count++;
    if (ti3 != NULL && tick_count % 3 == 0)
        isc_timer_touch(ti3);

    if (ti3 != NULL && tick_count == 7) {
        isc_time_t expires;
        isc_interval_t interval;

        isc_interval_set(&interval, 5, 0);
        (void)isc_time_nowplusinterval(&expires, &interval);
        isc_interval_set(&interval, 4, 0);
        printf("*** resetting ti3 ***\n");
        RUNTIME_CHECK(isc_timer_reset(ti3, isc_timertype_once,
                          &expires, &interval, ISC_TRUE) ==
                  ISC_R_SUCCESS);
    }

    isc_event_free(&event);
}

static void
timeout(isc_task_t *task, isc_event_t *event) {
    char *name = event->ev_arg;
    const char *type;

    INSIST(event->ev_type == ISC_TIMEREVENT_IDLE ||
           event->ev_type == ISC_TIMEREVENT_LIFE);

    if (event->ev_type == ISC_TIMEREVENT_IDLE)
        type = "idle";
    else
        type = "life";
    printf("task %s (%p) %s timeout\n", name, task, type);

    if (strcmp(name, "3") == 0) {
        printf("*** saving task 3 ***\n");
        isc_event_free(&event);
        return;
    }

    isc_event_free(&event);
    isc_task_shutdown(task);
}

int
main(int argc, char *argv[]) {
    isc_taskmgr_t *manager = NULL;
    isc_timermgr_t *timgr = NULL;
    unsigned int workers;
    isc_time_t expires, now;
    isc_interval_t interval;

    if (argc > 1)
        workers = atoi(argv[1]);
    else
        workers = 2;
    printf("%d workers\n", workers);

    RUNTIME_CHECK(isc_mem_create(0, 0, &mctx1) == ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_taskmgr_create(mctx1, workers, 0, &manager) ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_timermgr_create(mctx1, &timgr) == ISC_R_SUCCESS);

    RUNTIME_CHECK(isc_task_create(manager, 0, &t1) ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_task_create(manager, 0, &t2) ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_task_create(manager, 0, &t3) ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_task_onshutdown(t1, shutdown_task, "1") ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_task_onshutdown(t2, shutdown_task, "2") ==
              ISC_R_SUCCESS);
    RUNTIME_CHECK(isc_task_onshutdown(t3, shutdown_task, "3") ==
              ISC_R_SUCCESS);

    printf("task 1: %p\n", t1);
    printf("task 2: %p\n", t2);
    printf("task 3: %p\n", t3);

    TIME_NOW(&now);

    isc_interval_set(&interval, 2, 0);
    RUNTIME_CHECK(isc_timer_create(timgr, isc_timertype_once, NULL,
                       &interval, t2, timeout, "2", &ti2) ==
              ISC_R_SUCCESS);

    isc_interval_set(&interval, 1, 0);
    RUNTIME_CHECK(isc_timer_create(timgr, isc_timertype_ticker, NULL,
                       &interval, t1, tick, "1", &ti1) ==
              ISC_R_SUCCESS);

    isc_interval_set(&interval, 10, 0);
    RUNTIME_CHECK(isc_time_add(&now, &interval, &expires) ==
              ISC_R_SUCCESS);
    isc_interval_set(&interval, 2, 0);
    RUNTIME_CHECK(isc_timer_create(timgr, isc_timertype_once, &expires,
                       &interval, t3, timeout, "3", &ti3) ==
              ISC_R_SUCCESS);

    isc_task_detach(&t1);
    isc_task_detach(&t2);
    isc_task_detach(&t3);

    sleep(15);
    printf("destroy\n");
    isc_timer_detach(&ti1);
    isc_timer_detach(&ti2);
    isc_timer_detach(&ti3);
    sleep(2);
    isc_timermgr_destroy(&timgr);
    isc_taskmgr_destroy(&manager);
    printf("destroyed\n");

    printf("Statistics for mctx1:\n");
    isc_mem_stats(mctx1, stdout);
    isc_mem_destroy(&mctx1);

    return (0);
}