xref: /freebsd/contrib/libevent/test/test-weof.c (revision 6137b5f7b8c183ee8806d79b3f1d8e5e3ddb3df3)
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 "../util-internal.h"
28 #include "event2/event-config.h"
29 
30 #ifdef _WIN32
31 #include <winsock2.h>
32 #else
33 #include <unistd.h>
34 #endif
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #ifdef EVENT__HAVE_SYS_TIME_H
38 #include <sys/time.h>
39 #endif
40 #ifdef EVENT__HAVE_SYS_SOCKET_H
41 #include <sys/socket.h>
42 #endif
43 #include <fcntl.h>
44 #include <stdlib.h>
45 #include <stdio.h>
46 #include <string.h>
47 #include <signal.h>
48 #include <errno.h>
49 
50 #include "event2/event.h"
51 #include "event2/event_struct.h"
52 #include "event2/event_compat.h"
53 #include "event2/util.h"
54 
55 evutil_socket_t pair[2];
56 int test_okay = 1;
57 int called = 0;
58 
59 static void
60 write_cb(evutil_socket_t fd, short event, void *arg)
61 {
62 	const char *test = "test string";
63 	int len;
64 
65 	len = send(fd, test, (int)strlen(test) + 1, 0);
66 
67 	printf("%s: write %d%s\n", __func__,
68 	    len, len ? "" : " - means EOF");
69 
70 	if (len > 0) {
71 		if (!called)
72 			event_add(arg, NULL);
73 		evutil_closesocket(pair[0]);
74 	} else if (called == 1)
75 		test_okay = 0;
76 
77 	called++;
78 }
79 
80 int
81 main(int argc, char **argv)
82 {
83 	struct event ev;
84 
85 #ifdef _WIN32
86 	WORD wVersionRequested;
87 	WSADATA wsaData;
88 
89 	wVersionRequested = MAKEWORD(2, 2);
90 
91 	(void) WSAStartup(wVersionRequested, &wsaData);
92 #endif
93 
94 #ifndef _WIN32
95 	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
96 		return (1);
97 #endif
98 
99 	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
100 		return (1);
101 
102 	/* Initialize the event library */
103 	event_init();
104 
105 	/* Initialize one event */
106 	event_set(&ev, pair[1], EV_WRITE, write_cb, &ev);
107 
108 	event_add(&ev, NULL);
109 
110 	event_dispatch();
111 
112 	return (test_okay);
113 }
114 
115