1 /* $NetBSD: test-time.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $ */
2 /*
3 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
4 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 #include "event2/event-config.h"
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: test-time.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $");
31 #include "util-internal.h"
32
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <fcntl.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <string.h>
39 #ifndef _WIN32
40 #include <unistd.h>
41 #include <sys/time.h>
42 #endif
43 #include <errno.h>
44
45 #include "event2/event.h"
46 #include "event2/event_compat.h"
47 #include "event2/event_struct.h"
48
49 int called = 0;
50
51 #define NEVENT 20000
52
53 struct event *ev[NEVENT];
54
55 struct evutil_weakrand_state weakrand_state;
56
57 static int
rand_int(int n)58 rand_int(int n)
59 {
60 return evutil_weakrand_(&weakrand_state) % n;
61 }
62
63 static void
time_cb(evutil_socket_t fd,short event,void * arg)64 time_cb(evutil_socket_t fd, short event, void *arg)
65 {
66 struct timeval tv;
67 int i, j;
68
69 called++;
70
71 if (called < 10*NEVENT) {
72 for (i = 0; i < 10; i++) {
73 j = rand_int(NEVENT);
74 tv.tv_sec = 0;
75 tv.tv_usec = rand_int(50000);
76 if (tv.tv_usec % 2 || called < NEVENT)
77 evtimer_add(ev[j], &tv);
78 else
79 evtimer_del(ev[j]);
80 }
81 }
82 }
83
84 int
main(int argc,char ** argv)85 main(int argc, char **argv)
86 {
87 struct event_base *base;
88 struct timeval tv;
89 int i;
90
91 #ifdef _WIN32
92 WORD wVersionRequested;
93 WSADATA wsaData;
94
95 wVersionRequested = MAKEWORD(2, 2);
96
97 (void) WSAStartup(wVersionRequested, &wsaData);
98 #endif
99
100 evutil_weakrand_seed_(&weakrand_state, 0);
101
102 if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
103 event_enable_debug_logging(EVENT_DBG_ALL);
104 }
105
106 base = event_base_new();
107
108 for (i = 0; i < NEVENT; i++) {
109 ev[i] = evtimer_new(base, time_cb, event_self_cbarg());
110 tv.tv_sec = 0;
111 tv.tv_usec = rand_int(50000);
112 evtimer_add(ev[i], &tv);
113 }
114
115 i = event_base_dispatch(base);
116
117 printf("event_base_dispatch=%d, called=%d, EVENT=%d\n",
118 i, called, NEVENT);
119
120 if (i == 1 && called >= NEVENT) {
121 return EXIT_SUCCESS;
122 } else {
123 return EXIT_FAILURE;
124 }
125 }
126
127