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