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Diffstat (limited to 'bin/tests/optional/shutdown_test.c')
| -rw-r--r-- | bin/tests/optional/shutdown_test.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/bin/tests/optional/shutdown_test.c b/bin/tests/optional/shutdown_test.c new file mode 100644 index 0000000..c8cf03c --- /dev/null +++ b/bin/tests/optional/shutdown_test.c @@ -0,0 +1,226 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> + +#include <isc/app.h> +#include <isc/managers.h> +#include <isc/mem.h> +#include <isc/print.h> +#include <isc/string.h> +#include <isc/task.h> +#include <isc/time.h> +#include <isc/timer.h> +#include <isc/util.h> + +typedef struct { + isc_mem_t *mctx; + isc_task_t *task; + isc_timer_t *timer; + unsigned int ticks; + char name[16]; + bool exiting; + isc_task_t *peer; +} t_info; + +#define MAX_TASKS 3 +#define T2_SHUTDOWNOK (ISC_EVENTCLASS(1024) + 0) +#define T2_SHUTDOWNDONE (ISC_EVENTCLASS(1024) + 1) +#define FOO_EVENT (ISC_EVENTCLASS(1024) + 2) + +static t_info tasks[MAX_TASKS]; +static unsigned int task_count; +static isc_nm_t *netmgr = NULL; +static isc_taskmgr_t *taskmgr = NULL; +static isc_timermgr_t *timer_manager; + +static void +t1_shutdown(isc_task_t *task, isc_event_t *event) { + t_info *info = event->ev_arg; + + printf("task %s (%p) t1_shutdown\n", info->name, task); + isc_task_detach(&info->task); + isc_event_free(&event); +} + +static void +t2_shutdown(isc_task_t *task, isc_event_t *event) { + t_info *info = event->ev_arg; + + printf("task %s (%p) t2_shutdown\n", info->name, task); + info->exiting = true; + isc_event_free(&event); +} + +static void +shutdown_action(isc_task_t *task, isc_event_t *event) { + t_info *info = event->ev_arg; + isc_event_t *nevent; + + INSIST(event->ev_type == ISC_TASKEVENT_SHUTDOWN); + + printf("task %s (%p) shutdown\n", info->name, task); + if (strcmp(info->name, "0") == 0) { + isc_timer_destroy(&info->timer); + nevent = isc_event_allocate(info->mctx, info, T2_SHUTDOWNOK, + t2_shutdown, &tasks[1], + sizeof(*event)); + RUNTIME_CHECK(nevent != NULL); + info->exiting = true; + isc_task_sendanddetach(&info->peer, &nevent); + } + isc_event_free(&event); +} + +static void +foo_event(isc_task_t *task, isc_event_t *event) { + printf("task(%p) foo\n", task); + isc_event_free(&event); +} + +static void +tick(isc_task_t *task, isc_event_t *event) { + t_info *info = event->ev_arg; + isc_event_t *nevent; + + INSIST(event->ev_type == ISC_TIMEREVENT_TICK); + + printf("task %s (%p) tick\n", info->name, task); + + info->ticks++; + if (strcmp(info->name, "1") == 0) { + if (info->ticks == 10) { + isc_app_shutdown(); + } else if (info->ticks >= 15 && info->exiting) { + isc_timer_destroy(&info->timer); + isc_task_detach(&info->task); + nevent = isc_event_allocate( + info->mctx, info, T2_SHUTDOWNDONE, t1_shutdown, + &tasks[0], sizeof(*event)); + RUNTIME_CHECK(nevent != NULL); + isc_task_send(info->peer, &nevent); + isc_task_detach(&info->peer); + } + } else if (strcmp(info->name, "foo") == 0) { + isc_timer_destroy(&info->timer); + nevent = isc_event_allocate(info->mctx, info, FOO_EVENT, + foo_event, task, sizeof(*event)); + RUNTIME_CHECK(nevent != NULL); + isc_task_sendanddetach(&task, &nevent); + } + + isc_event_free(&event); +} + +static t_info * +new_task(isc_mem_t *mctx, const char *name) { + t_info *ti; + isc_time_t expires; + isc_interval_t interval; + + RUNTIME_CHECK(task_count < MAX_TASKS); + ti = &tasks[task_count]; + ti->mctx = mctx; + ti->task = NULL; + ti->timer = NULL; + ti->ticks = 0; + if (name != NULL) { + INSIST(strlen(name) < sizeof(ti->name)); + strlcpy(ti->name, name, sizeof(ti->name)); + } else { + snprintf(ti->name, sizeof(ti->name), "%u", task_count); + } + RUNTIME_CHECK(isc_task_create(taskmgr, 0, &ti->task) == ISC_R_SUCCESS); + RUNTIME_CHECK(isc_task_onshutdown(ti->task, shutdown_action, ti) == + ISC_R_SUCCESS); + + isc_time_settoepoch(&expires); + isc_interval_set(&interval, 1, 0); + RUNTIME_CHECK(isc_timer_create(timer_manager, isc_timertype_ticker, + &expires, &interval, ti->task, tick, ti, + &ti->timer) == ISC_R_SUCCESS); + + task_count++; + + return (ti); +} + +int +main(int argc, char *argv[]) { + unsigned int workers; + t_info *t1, *t2 = NULL; + isc_task_t *task = NULL; + isc_mem_t *mctx = NULL, *mctx2 = NULL; + + RUNTIME_CHECK(isc_app_start() == ISC_R_SUCCESS); + + if (argc > 1) { + workers = atoi(argv[1]); + if (workers < 1) { + workers = 1; + } + if (workers > 8192) { + workers = 8192; + } + } else { + workers = 2; + } + printf("%u workers\n", workers); + + isc_mem_create(&mctx); + isc_mem_create(&mctx2); + RUNTIME_CHECK(isc_managers_create(mctx, workers, 0, &netmgr, + &taskmgr) == ISC_R_SUCCESS); + RUNTIME_CHECK(isc_timermgr_create(mctx, &timer_manager) == + ISC_R_SUCCESS); + + t1 = new_task(mctx, NULL); + t2 = new_task(mctx2, NULL); + isc_task_attach(t2->task, &t1->peer); + isc_task_attach(t1->task, &t2->peer); + + /* + * Test run-triggered shutdown. + */ + (void)new_task(mctx2, "foo"); + + /* + * Test implicit shutdown. + */ + RUNTIME_CHECK(isc_task_create(taskmgr, 0, &task) == ISC_R_SUCCESS); + isc_task_detach(&task); + + /* + * Test anti-zombie code. + */ + RUNTIME_CHECK(isc_task_create(taskmgr, 0, &task) == ISC_R_SUCCESS); + isc_task_detach(&task); + + RUNTIME_CHECK(isc_app_run() == ISC_R_SUCCESS); + + isc_managers_destroy(&netmgr, &taskmgr); + isc_timermgr_destroy(&timer_manager); + + printf("Statistics for mctx:\n"); + isc_mem_stats(mctx, stdout); + isc_mem_destroy(&mctx); + printf("Statistics for mctx2:\n"); + isc_mem_stats(mctx2, stdout); + isc_mem_destroy(&mctx2); + + isc_app_finish(); + + return (0); +} |