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 
45 int called = 0;
46 
47 #define NEVENT	20000
48 
49 struct event *ev[NEVENT];
50 
51 static int
rand_int(int n)52 rand_int(int n)
53 {
54 #ifdef WIN32
55 	return (int)(rand() % n);
56 #else
57 	return (int)(random() % n);
58 #endif
59 }
60 
61 static void
time_cb(evutil_socket_t fd,short event,void * arg)62 time_cb(evutil_socket_t fd, short event, void *arg)
63 {
64 	struct timeval tv;
65 	int i, j;
66 
67 	called++;
68 
69 	if (called < 10*NEVENT) {
70 		for (i = 0; i < 10; i++) {
71 			j = rand_int(NEVENT);
72 			tv.tv_sec = 0;
73 			tv.tv_usec = rand_int(50000);
74 			if (tv.tv_usec % 2)
75 				evtimer_add(ev[j], &tv);
76 			else
77 				evtimer_del(ev[j]);
78 		}
79 	}
80 }
81 
82 int
main(int argc,char ** argv)83 main(int argc, char **argv)
84 {
85 	struct timeval tv;
86 	int i;
87 #ifdef WIN32
88 	WORD wVersionRequested;
89 	WSADATA wsaData;
90 
91 	wVersionRequested = MAKEWORD(2, 2);
92 
93 	(void) WSAStartup(wVersionRequested, &wsaData);
94 #endif
95 
96 	/* Initalize the event library */
97 	event_init();
98 
99 	for (i = 0; i < NEVENT; i++) {
100 		ev[i] = malloc(sizeof(struct event));
101 
102 		/* Initalize one event */
103 		evtimer_set(ev[i], time_cb, ev[i]);
104 		tv.tv_sec = 0;
105 		tv.tv_usec = rand_int(50000);
106 		evtimer_add(ev[i], &tv);
107 	}
108 
109 	event_dispatch();
110 
111 	return (called < NEVENT);
112 }
113 
114