test-time.c revision 290001 
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
29#include <sys/types.h>
30#include <sys/stat.h>
31#include <fcntl.h>
32#include <stdlib.h>
33#include <stdio.h>
34#include <string.h>
35#ifndef _WIN32
36#include <unistd.h>
37#include <sys/time.h>
38#endif
39#include <errno.h>
40
41#include "event2/event.h"
42#include "event2/event_compat.h"
43#include "event2/event_struct.h"
44#include "util-internal.h"
45
46int called = 0;
47
48#define NEVENT	20000
49
50struct event *ev[NEVENT];
51
52struct evutil_weakrand_state weakrand_state;
53
54static int
55rand_int(int n)
56{
57	return evutil_weakrand_(&weakrand_state) % n;
58}
59
60static void
61time_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
81int
82main(int argc, char **argv)
83{
84	struct timeval tv;
85	int i;
86#ifdef _WIN32
87	WORD wVersionRequested;
88	WSADATA wsaData;
89
90	wVersionRequested = MAKEWORD(2, 2);
91
92	(void) WSAStartup(wVersionRequested, &wsaData);
93#endif
94
95	evutil_weakrand_seed_(&weakrand_state, 0);
96
97	/* Initalize the event library */
98	event_init();
99
100	for (i = 0; i < NEVENT; i++) {
101		ev[i] = malloc(sizeof(struct event));
102		assert(ev[i] != NULL);
103
104		/* Initalize one event */
105		evtimer_set(ev[i], time_cb, ev[i]);
106		tv.tv_sec = 0;
107		tv.tv_usec = rand_int(50000);
108		evtimer_add(ev[i], &tv);
109	}
110
111	event_dispatch();
112
113
114	printf("%d, %d\n", called, NEVENT);
115	return (called < NEVENT);
116}
117
118