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      1 /*	$NetBSD: test-time.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $	*/
      2 /*
      3  * Copyright (c) 2002-2007 Niels Provos <provos (at) 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 1.1.1.3 2021/04/07 02:43:15 christos Exp $");
     31 #include "util-internal.h"
     32 
     33 #include <sys/types.h>
     34 #include <sys/stat.h>
     35 #include <fcntl.h>
     36 #include <stdlib.h>
     37 #include <stdio.h>
     38 #include <string.h>
     39 #ifndef _WIN32
     40 #include <unistd.h>
     41 #include <sys/time.h>
     42 #endif
     43 #include <errno.h>
     44 
     45 #include "event2/event.h"
     46 #include "event2/event_compat.h"
     47 #include "event2/event_struct.h"
     48 
     49 int called = 0;
     50 
     51 #define NEVENT	20000
     52 
     53 struct event *ev[NEVENT];
     54 
     55 struct evutil_weakrand_state weakrand_state;
     56 
     57 static int
     58 rand_int(int n)
     59 {
     60 	return evutil_weakrand_(&weakrand_state) % n;
     61 }
     62 
     63 static void
     64 time_cb(evutil_socket_t fd, short event, void *arg)
     65 {
     66 	struct timeval tv;
     67 	int i, j;
     68 
     69 	called++;
     70 
     71 	if (called < 10*NEVENT) {
     72 		for (i = 0; i < 10; i++) {
     73 			j = rand_int(NEVENT);
     74 			tv.tv_sec = 0;
     75 			tv.tv_usec = rand_int(50000);
     76 			if (tv.tv_usec % 2 || called < NEVENT)
     77 				evtimer_add(ev[j], &tv);
     78 			else
     79 				evtimer_del(ev[j]);
     80 		}
     81 	}
     82 }
     83 
     84 int
     85 main(int argc, char **argv)
     86 {
     87 	struct event_base *base;
     88 	struct timeval tv;
     89 	int i;
     90 
     91 #ifdef _WIN32
     92 	WORD wVersionRequested;
     93 	WSADATA wsaData;
     94 
     95 	wVersionRequested = MAKEWORD(2, 2);
     96 
     97 	(void) WSAStartup(wVersionRequested, &wsaData);
     98 #endif
     99 
    100 	evutil_weakrand_seed_(&weakrand_state, 0);
    101 
    102 	if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
    103 		event_enable_debug_logging(EVENT_DBG_ALL);
    104 	}
    105 
    106 	base = event_base_new();
    107 
    108 	for (i = 0; i < NEVENT; i++) {
    109 		ev[i] = evtimer_new(base, time_cb, event_self_cbarg());
    110 		tv.tv_sec = 0;
    111 		tv.tv_usec = rand_int(50000);
    112 		evtimer_add(ev[i], &tv);
    113 	}
    114 
    115 	i = event_base_dispatch(base);
    116 
    117 	printf("event_base_dispatch=%d, called=%d, EVENT=%d\n",
    118 		i, called, NEVENT);
    119 
    120 	if (i == 1 && called >= NEVENT) {
    121 		return EXIT_SUCCESS;
    122 	} else {
    123 		return EXIT_FAILURE;
    124 	}
    125 }
    126 
    127