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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <config.h>
#include <isc/app.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/task.h>
#include <isc/time.h>
#include <isc/timer.h>
#include <isc/ratelimiter.h>
#include <isc/util.h>
isc_ratelimiter_t *rlim = NULL;
isc_taskmgr_t *taskmgr = NULL;
isc_timermgr_t *timermgr = NULL;
isc_task_t *g_task = NULL;
isc_mem_t *mctx = NULL;
static void utick(isc_task_t *task, isc_event_t *event);
static void shutdown_rl(isc_task_t *task, isc_event_t *event);
static void shutdown_all(isc_task_t *task, isc_event_t *event);
typedef struct {
int milliseconds;
void (*fun)(isc_task_t *, isc_event_t *);
} schedule_t;
schedule_t schedule[] = {
{ 100, utick },
{ 200, utick },
{ 300, utick },
{ 3000, utick },
{ 3100, utick },
{ 3200, utick },
{ 3300, shutdown_rl },
{ 5000, utick },
{ 6000, shutdown_all }
};
#define NEVENTS (int)(sizeof(schedule)/sizeof(schedule[0]))
isc_timer_t *timers[NEVENTS];
static void
ltick(isc_task_t *task, isc_event_t *event) {
UNUSED(task);
printf("** ltick%s **\n",
(event->ev_attributes & ISC_EVENTATTR_CANCELED) != 0 ?
" (canceled)" : "");
isc_event_free(&event);
}
static void
utick(isc_task_t *task, isc_event_t *event) {
isc_result_t result;
UNUSED(task);
event->ev_action = ltick;
event->ev_sender = NULL;
result = isc_ratelimiter_enqueue(rlim, g_task, &event);
printf("enqueue: %s\n",
result == ISC_R_SUCCESS ? "ok" : "failed");
}
static void
shutdown_rl(isc_task_t *task, isc_event_t *event) {
UNUSED(task);
UNUSED(event);
printf("shutdown ratelimiter\n");
isc_ratelimiter_shutdown(rlim);
}
static void
shutdown_all(isc_task_t *task, isc_event_t *event) {
int i;
UNUSED(task);
UNUSED(event);
printf("shutdown all\n");
for (i = 0; i < NEVENTS; i++) {
isc_timer_detach(&timers[i]);
}
isc_app_shutdown();
}
int
main(int argc, char *argv[]) {
isc_interval_t linterval;
int i;
UNUSED(argc);
UNUSED(argv);
isc_app_start();
isc_interval_set(&linterval, 1, 0);
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
RUNTIME_CHECK(isc_taskmgr_create(mctx, 3, 0, &taskmgr) ==
ISC_R_SUCCESS);
RUNTIME_CHECK(isc_timermgr_create(mctx, &timermgr) ==
ISC_R_SUCCESS);
RUNTIME_CHECK(isc_task_create(taskmgr, 0, &g_task) ==
ISC_R_SUCCESS);
RUNTIME_CHECK(isc_ratelimiter_create(mctx, timermgr, g_task,
&rlim) == ISC_R_SUCCESS);
RUNTIME_CHECK(isc_ratelimiter_setinterval(rlim, &linterval) ==
ISC_R_SUCCESS);
for (i = 0; i < NEVENTS; i++) {
isc_interval_t uinterval;
int ms = schedule[i].milliseconds;
isc_interval_set(&uinterval, ms / 1000,
(ms % 1000) * 1000000);
timers[i] = NULL;
RUNTIME_CHECK(isc_timer_create(timermgr,
isc_timertype_once, NULL,
&uinterval,
g_task, schedule[i].fun, NULL,
&timers[i]) == ISC_R_SUCCESS);
}
isc_app_run();
isc_task_destroy(&g_task);
isc_ratelimiter_detach(&rlim);
isc_timermgr_destroy(&timermgr);
isc_taskmgr_destroy(&taskmgr);
isc_mem_stats(mctx, stdout);
isc_app_finish();
return (0);
}
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