1 /* $NetBSD: ratelimiter_test.c,v 1.6 2014/12/10 04:37:53 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 1999-2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: ratelimiter_test.c,v 1.18 2007/06/19 23:46:59 tbox Exp */ 21 22 #include <config.h> 23 24 #include <isc/app.h> 25 #include <isc/mem.h> 26 #include <isc/task.h> 27 #include <isc/time.h> 28 #include <isc/timer.h> 29 #include <isc/ratelimiter.h> 30 #include <isc/util.h> 31 32 isc_ratelimiter_t *rlim = NULL; 33 isc_taskmgr_t *taskmgr = NULL; 34 isc_timermgr_t *timermgr = NULL; 35 isc_task_t *g_task = NULL; 36 isc_mem_t *mctx = NULL; 37 38 static void utick(isc_task_t *task, isc_event_t *event); 39 static void shutdown_rl(isc_task_t *task, isc_event_t *event); 40 static void shutdown_all(isc_task_t *task, isc_event_t *event); 41 42 typedef struct { 43 int milliseconds; 44 void (*fun)(isc_task_t *, isc_event_t *); 45 } schedule_t; 46 47 schedule_t schedule[] = { 48 { 100, utick }, 49 { 200, utick }, 50 { 300, utick }, 51 { 3000, utick }, 52 { 3100, utick }, 53 { 3200, utick }, 54 { 3300, shutdown_rl }, 55 { 5000, utick }, 56 { 6000, shutdown_all } 57 }; 58 59 #define NEVENTS (int)(sizeof(schedule)/sizeof(schedule[0])) 60 61 isc_timer_t *timers[NEVENTS]; 62 63 static void 64 ltick(isc_task_t *task, isc_event_t *event) { 65 UNUSED(task); 66 printf("** ltick%s **\n", 67 (event->ev_attributes & ISC_EVENTATTR_CANCELED) != 0 ? 68 " (canceled)" : ""); 69 isc_event_free(&event); 70 } 71 72 static void 73 utick(isc_task_t *task, isc_event_t *event) { 74 isc_result_t result; 75 UNUSED(task); 76 event->ev_action = ltick; 77 event->ev_sender = NULL; 78 result = isc_ratelimiter_enqueue(rlim, g_task, &event); 79 printf("enqueue: %s\n", 80 result == ISC_R_SUCCESS ? "ok" : "failed"); 81 } 82 83 static void 84 shutdown_rl(isc_task_t *task, isc_event_t *event) { 85 UNUSED(task); 86 UNUSED(event); 87 printf("shutdown ratelimiter\n"); 88 isc_ratelimiter_shutdown(rlim); 89 } 90 91 static void 92 shutdown_all(isc_task_t *task, isc_event_t *event) { 93 int i; 94 UNUSED(task); 95 UNUSED(event); 96 printf("shutdown all\n"); 97 for (i = 0; i < NEVENTS; i++) { 98 isc_timer_detach(&timers[i]); 99 } 100 101 isc_app_shutdown(); 102 } 103 104 int 105 main(int argc, char *argv[]) { 106 isc_interval_t linterval; 107 int i; 108 109 UNUSED(argc); 110 UNUSED(argv); 111 112 isc_app_start(); 113 isc_interval_set(&linterval, 1, 0); 114 115 RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); 116 RUNTIME_CHECK(isc_taskmgr_create(mctx, 3, 0, &taskmgr) == 117 ISC_R_SUCCESS); 118 RUNTIME_CHECK(isc_timermgr_create(mctx, &timermgr) == 119 ISC_R_SUCCESS); 120 RUNTIME_CHECK(isc_task_create(taskmgr, 0, &g_task) == 121 ISC_R_SUCCESS); 122 123 RUNTIME_CHECK(isc_ratelimiter_create(mctx, timermgr, g_task, 124 &rlim) == ISC_R_SUCCESS); 125 126 RUNTIME_CHECK(isc_ratelimiter_setinterval(rlim, &linterval) == 127 ISC_R_SUCCESS); 128 129 for (i = 0; i < NEVENTS; i++) { 130 isc_interval_t uinterval; 131 int ms = schedule[i].milliseconds; 132 isc_interval_set(&uinterval, ms / 1000, 133 (ms % 1000) * 1000000); 134 timers[i] = NULL; 135 RUNTIME_CHECK(isc_timer_create(timermgr, 136 isc_timertype_once, NULL, 137 &uinterval, 138 g_task, schedule[i].fun, NULL, 139 &timers[i]) == ISC_R_SUCCESS); 140 } 141 142 isc_app_run(); 143 144 isc_task_destroy(&g_task); 145 146 isc_ratelimiter_detach(&rlim); 147 148 isc_timermgr_destroy(&timermgr); 149 isc_taskmgr_destroy(&taskmgr); 150 151 isc_mem_stats(mctx, stdout); 152 153 isc_app_finish(); 154 return (0); 155 } 156