1 /*
2 * Copyright (c) 2012 Niels Provos and Nick Mathewson
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26 #include "util-internal.h"
27 #include "event2/event-config.h"
28
29 #ifdef _WIN32
30 #include <winsock2.h>
31 #include <windows.h>
32 #else
33 #include <unistd.h>
34 #endif
35
36 #include <stdio.h>
37 #include <event2/event.h>
38 #include <signal.h>
39
40 static void
sock_perror(const char * s)41 sock_perror(const char *s)
42 {
43 #ifdef _WIN32
44 const char *err = evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR());
45 fprintf(stderr, "%s: %s\n", s, err);
46 #else
47 perror(s);
48 #endif
49 }
50
51 static void
callback1(evutil_socket_t fd,short events,void * arg)52 callback1(evutil_socket_t fd, short events, void *arg)
53 {
54 }
55 static void
callback2(evutil_socket_t fd,short events,void * arg)56 callback2(evutil_socket_t fd, short events, void *arg)
57 {
58 }
59
60 /* Testing code for event_base_dump_events().
61
62 Notes that just because we have code to exercise this function,
63 doesn't mean that *ANYTHING* about the output format is guaranteed to
64 remain in the future.
65 */
66 int
main(int argc,char ** argv)67 main(int argc, char **argv)
68 {
69 #define N_EVENTS 13
70 int i;
71 struct event *ev[N_EVENTS];
72 evutil_socket_t pair1[2];
73 evutil_socket_t pair2[2];
74 struct timeval tv_onesec = {1,0};
75 struct timeval tv_two5sec = {2,500*1000};
76 const struct timeval *tv_onesec_common;
77 const struct timeval *tv_two5sec_common;
78 struct event_base *base;
79 struct timeval now;
80
81 #ifdef _WIN32
82 WORD wVersionRequested;
83 WSADATA wsaData;
84
85 wVersionRequested = MAKEWORD(2, 2);
86
87 WSAStartup(wVersionRequested, &wsaData);
88 #endif
89
90 #ifdef _WIN32
91 #define LOCAL_SOCKETPAIR_AF AF_INET
92 #else
93 #define LOCAL_SOCKETPAIR_AF AF_UNIX
94 #endif
95
96 if (evutil_make_internal_pipe_(pair1) < 0 ||
97 evutil_make_internal_pipe_(pair2) < 0) {
98 sock_perror("evutil_make_internal_pipe_");
99 return 1;
100 }
101
102 if (!(base = event_base_new())) {
103 fprintf(stderr,"Couldn't make event_base\n");
104 return 2;
105 }
106
107 tv_onesec_common = event_base_init_common_timeout(base, &tv_onesec);
108 tv_two5sec_common = event_base_init_common_timeout(base, &tv_two5sec);
109
110 ev[0] = event_new(base, pair1[0], EV_WRITE, callback1, NULL);
111 ev[1] = event_new(base, pair1[1], EV_READ|EV_PERSIST, callback1, NULL);
112 ev[2] = event_new(base, pair2[0], EV_WRITE|EV_PERSIST, callback2, NULL);
113 ev[3] = event_new(base, pair2[1], EV_READ, callback2, NULL);
114
115 /* For timers */
116 ev[4] = evtimer_new(base, callback1, NULL);
117 ev[5] = evtimer_new(base, callback1, NULL);
118 ev[6] = evtimer_new(base, callback1, NULL);
119 ev[7] = event_new(base, -1, EV_PERSIST, callback2, NULL);
120 ev[8] = event_new(base, -1, EV_PERSIST, callback2, NULL);
121 ev[9] = event_new(base, -1, EV_PERSIST, callback2, NULL);
122
123 /* To activate */
124 ev[10] = event_new(base, -1, 0, callback1, NULL);
125 ev[11] = event_new(base, -1, 0, callback2, NULL);
126
127 /* Signals */
128 ev[12] = evsignal_new(base, SIGINT, callback2, NULL);
129
130 event_add(ev[0], NULL);
131 event_add(ev[1], &tv_onesec);
132 event_add(ev[2], tv_onesec_common);
133 event_add(ev[3], tv_two5sec_common);
134
135 event_add(ev[4], tv_onesec_common);
136 event_add(ev[5], tv_onesec_common);
137 event_add(ev[6], &tv_onesec);
138 event_add(ev[7], tv_two5sec_common);
139 event_add(ev[8], tv_onesec_common);
140 event_add(ev[9], &tv_two5sec);
141
142 event_active(ev[10], EV_READ, 1);
143 event_active(ev[11], EV_READ|EV_WRITE|EV_TIMEOUT, 1);
144 event_active(ev[1], EV_READ, 1);
145
146 event_add(ev[12], NULL);
147
148 evutil_gettimeofday(&now,NULL);
149 puts("=====expected");
150 printf("Now= %ld.%06d\n",(long)now.tv_sec,(int)now.tv_usec);
151 puts("Inserted:");
152 printf(" %p [fd %ld] Write\n",ev[0],(long)pair1[0]);
153 printf(" %p [fd %ld] Read Persist Timeout=T+1\n",ev[1],(long)pair1[1]);
154 printf(" %p [fd %ld] Write Persist Timeout=T+1\n",ev[2],(long)pair2[0]);
155 printf(" %p [fd %ld] Read Timeout=T+2.5\n",ev[3],(long)pair2[1]);
156 printf(" %p [fd -1] Timeout=T+1\n",ev[4]);
157 printf(" %p [fd -1] Timeout=T+1\n",ev[5]);
158 printf(" %p [fd -1] Timeout=T+1\n",ev[6]);
159 printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[7]);
160 printf(" %p [fd -1] Persist Timeout=T+1\n",ev[8]);
161 printf(" %p [fd -1] Persist Timeout=T+2.5\n",ev[9]);
162 printf(" %p [sig %d] Signal Persist\n", ev[12], (int)SIGINT);
163
164 puts("Active:");
165 printf(" %p [fd -1, priority=0] Read active\n", ev[10]);
166 printf(" %p [fd -1, priority=0] Read Write Timeout active\n", ev[11]);
167 printf(" %p [fd %ld, priority=0] Read active\n", ev[1], (long)pair1[1]);
168
169 puts("======received");
170 event_base_dump_events(base, stdout);
171
172 for (i = 0; i < N_EVENTS; ++i) {
173 event_free(ev[i]);
174 }
175 event_base_free(base);
176
177 return 0;
178 }
179
180