external/bsd/libevent/dist/test/test-eof.c

   1 /*      $NetBSD: test-eof.c,v 1.1.1.1 2013/04/11 16:43:32 christos Exp $        */
   2 /*
   3  * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
   4  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #include "event2/event-config.h"
  29 #include <sys/cdefs.h>
  30 __RCSID("$NetBSD: test-eof.c,v 1.1.1.1 2013/04/11 16:43:32 christos Exp $");
  31
  32 #ifdef WIN32
  33 #include <winsock2.h>
  34 #else
  35 #include <unistd.h>
  36 #endif
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #ifdef _EVENT_HAVE_SYS_TIME_H
  40 #include <sys/time.h>
  41 #endif
  42 #ifdef _EVENT_HAVE_SYS_SOCKET_H
  43 #include <sys/socket.h>
  44 #endif
  45 #include <fcntl.h>
  46 #include <stdlib.h>
  47 #include <stdio.h>
  48 #include <string.h>
  49 #include <errno.h>
  50
  51 #include <event.h>
  52 #include <evutil.h>
  53
  54 #ifdef _EVENT___func__
  55 #define __func__ _EVENT___func__
  56 #endif
  57
  58 int test_okay = 1;
  59 int called = 0;
  60 struct timeval timeout = {60, 0};
  61
  62 static void
  63 read_cb(evutil_socket_t fd, short event, void *arg)
  64 {
  65         char buf[256];
  66         int len;
  67
  68         if (EV_TIMEOUT & event) {
  69                 printf("%s: Timeout!\n", __func__);
  70                 exit(1);
  71         }
  72
  73         len = recv(fd, buf, sizeof(buf), 0);
  74
  75         printf("%s: read %d%s\n", __func__,
  76             len, len ? "" : " - means EOF");
  77
  78         if (len) {
  79                 if (!called)
  80                         event_add(arg, &timeout);
  81         } else if (called == 1)
  82                 test_okay = 0;
  83
  84         called++;
  85 }
  86
  87 #ifndef SHUT_WR
  88 #define SHUT_WR 1
  89 #endif
  90
  91 int
  92 main(int argc, char **argv)
  93 {
  94         struct event ev;
  95         const char *test = "test string";
  96         evutil_socket_t pair[2];
  97
  98 #ifdef WIN32
  99         WORD wVersionRequested;
 100         WSADATA wsaData;
 101
 102         wVersionRequested = MAKEWORD(2, 2);
 103
 104         (void) WSAStartup(wVersionRequested, &wsaData);
 105 #endif
 106
 107         if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
 108                 return (1);
 109
 110
 111         if (send(pair[0], test, (int)strlen(test)+1, 0) < 0)
 112                 return (1);
 113         shutdown(pair[0], SHUT_WR);
 114
 115         /* Initalize the event library */
 116         event_init();
 117
 118         /* Initalize one event */
 119         event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev);
 120
 121         event_add(&ev, &timeout);
 122
 123         event_dispatch();
 124
 125         return (test_okay);
 126 }
 127