1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/*
* 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 <isc/app.h>
#include <isc/managers.h>
#include <isc/mem.h>
#include <isc/print.h>
#include <isc/ratelimiter.h>
#include <isc/task.h>
#include <isc/time.h>
#include <isc/timer.h>
#include <isc/util.h>
isc_ratelimiter_t *rlim = NULL;
isc_nm_t *netmgr = 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_destroy(&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);
isc_mem_create(&mctx);
RUNTIME_CHECK(isc_managers_create(mctx, 3, 0, &netmgr, &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_managers_destroy(&netmgr, &taskmgr);
isc_mem_stats(mctx, stdout);
isc_app_finish();
return (0);
}
|
