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@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 49int called = 0; 50 51#define NEVENT 20000 52 53struct event *ev[NEVENT]; 54 55struct evutil_weakrand_state weakrand_state; 56 57static int 58rand_int(int n) 59{ 60 return evutil_weakrand_(&weakrand_state) % n; 61} 62 63static void 64time_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 84int 85main(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