text: /*
   * Copyright (C) 2004, 2007, 2013  Internet Systems Consortium, Inc. ("ISC")
   * Copyright (C) 1998-2001  Internet Software Consortium.
   *
   * Permission to use, copy, modify, and/or 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 1.40 2007/06/19 23:46:59 tbox 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]);
  		if (workers < 1)
  			workers = 1;
  		if (workers > 8192)
  			workers = 8192;
  	} 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);
  }
  