summaryrefslogtreecommitdiffstats
path: root/libevent/test/test-time.c
blob: a8b384626385444f7c8bafa31c9fc723028b0eb3 (plain)
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
/*
 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "event2/event-config.h"
#include "util-internal.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#include <sys/time.h>
#endif
#include <errno.h>

#include "event2/event.h"
#include "event2/event_compat.h"
#include "event2/event_struct.h"

int called = 0;

#define NEVENT	20000

struct event *ev[NEVENT];

struct evutil_weakrand_state weakrand_state;

static int
rand_int(int n)
{
	return evutil_weakrand_(&weakrand_state) % n;
}

static void
time_cb(evutil_socket_t fd, short event, void *arg)
{
	struct timeval tv;
	int i, j;

	called++;

	if (called < 10*NEVENT) {
		for (i = 0; i < 10; i++) {
			j = rand_int(NEVENT);
			tv.tv_sec = 0;
			tv.tv_usec = rand_int(50000);
			if (tv.tv_usec % 2 || called < NEVENT)
				evtimer_add(ev[j], &tv);
			else
				evtimer_del(ev[j]);
		}
	}
}

int
main(int argc, char **argv)
{
	struct event_base *base;
	struct timeval tv;
	int i;

#ifdef _WIN32
	WORD wVersionRequested;
	WSADATA wsaData;

	wVersionRequested = MAKEWORD(2, 2);

	(void) WSAStartup(wVersionRequested, &wsaData);
#endif

	evutil_weakrand_seed_(&weakrand_state, 0);

	if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
		event_enable_debug_logging(EVENT_DBG_ALL);
	}

	base = event_base_new();

	for (i = 0; i < NEVENT; i++) {
		ev[i] = evtimer_new(base, time_cb, event_self_cbarg());
		tv.tv_sec = 0;
		tv.tv_usec = rand_int(50000);
		evtimer_add(ev[i], &tv);
	}

	i = event_base_dispatch(base);

	printf("event_base_dispatch=%d, called=%d, EVENT=%d\n",
		i, called, NEVENT);

	if (i == 1 && called >= NEVENT) {
		return EXIT_SUCCESS;
	} else {
		return EXIT_FAILURE;
	}
}