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

   1 /*      $NetBSD: test-time.c,v 1.1.1.1 2013/04/11 16:43:33 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-time.c,v 1.1.1.1 2013/04/11 16:43:33 christos Exp $");
  31
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35 #include <stdlib.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #ifndef WIN32
  39 #include <unistd.h>
  40 #include <sys/time.h>
  41 #endif
  42 #include <errno.h>
  43
  44 #include "event2/event.h"
  45 #include "event2/event_compat.h"
  46 #include "event2/event_struct.h"
  47
  48 int called = 0;
  49
  50 #define NEVENT  20000
  51
  52 struct event *ev[NEVENT];
  53
  54 static int
  55 rand_int(int n)
  56 {
  57 #ifdef WIN32
  58         return (int)(rand() % n);
  59 #else
  60         return (int)(random() % n);
  61 #endif
  62 }
  63
  64 static void
  65 time_cb(evutil_socket_t fd, short event, void *arg)
  66 {
  67         struct timeval tv;
  68         int i, j;
  69
  70         called++;
  71
  72         if (called < 10*NEVENT) {
  73                 for (i = 0; i < 10; i++) {
  74                         j = rand_int(NEVENT);
  75                         tv.tv_sec = 0;
  76                         tv.tv_usec = rand_int(50000);
  77                         if (tv.tv_usec % 2)
  78                                 evtimer_add(ev[j], &tv);
  79                         else
  80                                 evtimer_del(ev[j]);
  81                 }
  82         }
  83 }
  84
  85 int
  86 main(int argc, char **argv)
  87 {
  88         struct timeval tv;
  89         int i;
  90 #ifdef WIN32
  91         WORD wVersionRequested;
  92         WSADATA wsaData;
  93
  94         wVersionRequested = MAKEWORD(2, 2);
  95
  96         (void) WSAStartup(wVersionRequested, &wsaData);
  97 #endif
  98
  99         /* Initalize the event library */
 100         event_init();
 101
 102         for (i = 0; i < NEVENT; i++) {
 103                 ev[i] = malloc(sizeof(struct event));
 104
 105                 /* Initalize one event */
 106                 evtimer_set(ev[i], time_cb, ev[i]);
 107                 tv.tv_sec = 0;
 108                 tv.tv_usec = rand_int(50000);
 109                 evtimer_add(ev[i], &tv);
 110         }
 111
 112         event_dispatch();
 113
 114         return (called < NEVENT);
 115 }
 116