/*      $NetBSD: test-time.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $       */
/*
* Copyright (c) 2002-2007 Niels Provos <[email protected]>
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "event2/event-config.h"
#include <sys/cdefs.h>
__RCSID("$NetBSD: test-time.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $");
#include "util-internal.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#include <sys/time.h>
#endif
#include <errno.h>

#include "event2/event.h"
#include "event2/event_compat.h"
#include "event2/event_struct.h"

int called = 0;

#define NEVENT  20000

struct event *ev[NEVENT];

struct evutil_weakrand_state weakrand_state;

static int
rand_int(int n)
{
       return evutil_weakrand_(&weakrand_state) % n;
}

static void
time_cb(evutil_socket_t fd, short event, void *arg)
{
       struct timeval tv;
       int i, j;

       called++;

       if (called < 10*NEVENT) {
               for (i = 0; i < 10; i++) {
                       j = rand_int(NEVENT);
                       tv.tv_sec = 0;
                       tv.tv_usec = rand_int(50000);
                       if (tv.tv_usec % 2 || called < NEVENT)
                               evtimer_add(ev[j], &tv);
                       else
                               evtimer_del(ev[j]);
               }
       }
}

int
main(int argc, char **argv)
{
       struct event_base *base;
       struct timeval tv;
       int i;

#ifdef _WIN32
       WORD wVersionRequested;
       WSADATA wsaData;

       wVersionRequested = MAKEWORD(2, 2);

       (void) WSAStartup(wVersionRequested, &wsaData);
#endif

       evutil_weakrand_seed_(&weakrand_state, 0);

       if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
               event_enable_debug_logging(EVENT_DBG_ALL);
       }

       base = event_base_new();

       for (i = 0; i < NEVENT; i++) {
               ev[i] = evtimer_new(base, time_cb, event_self_cbarg());
               tv.tv_sec = 0;
               tv.tv_usec = rand_int(50000);
               evtimer_add(ev[i], &tv);
       }

       i = event_base_dispatch(base);

       printf("event_base_dispatch=%d, called=%d, EVENT=%d\n",
               i, called, NEVENT);

       if (i == 1 && called >= NEVENT) {
               return EXIT_SUCCESS;
       } else {
               return EXIT_FAILURE;
       }
}