1 /* $NetBSD: test-time.c,v 1.6 2016/01/08 21:35:41 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu> 5 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #include "event2/event-config.h" 30 31 #include <sys/types.h> 32 #include <sys/stat.h> 33 #include <fcntl.h> 34 #include <stdlib.h> 35 #include <stdio.h> 36 #include <string.h> 37 #ifndef _WIN32 38 #include <unistd.h> 39 #include <sys/time.h> 40 #endif 41 #include <errno.h> 42 43 #include "event2/event.h" 44 #include "event2/event_compat.h" 45 #include "event2/event_struct.h" 46 #include "util-internal.h" 47 48 int called = 0; 49 50 #define NEVENT 20000 51 52 struct event *ev[NEVENT]; 53 54 struct evutil_weakrand_state weakrand_state; 55 56 static int 57 rand_int(int n) 58 { 59 return evutil_weakrand_(&weakrand_state) % n; 60 } 61 62 static void 63 time_cb(evutil_socket_t fd, short event, void *arg) 64 { 65 struct timeval tv; 66 int i, j; 67 68 called++; 69 70 if (called < 10*NEVENT) { 71 for (i = 0; i < 10; i++) { 72 j = rand_int(NEVENT); 73 tv.tv_sec = 0; 74 tv.tv_usec = rand_int(50000); 75 if (tv.tv_usec % 2 || called < NEVENT) 76 evtimer_add(ev[j], &tv); 77 else 78 evtimer_del(ev[j]); 79 } 80 } 81 } 82 83 int 84 main(int argc, char **argv) 85 { 86 struct timeval tv; 87 int i; 88 #ifdef _WIN32 89 WORD wVersionRequested; 90 WSADATA wsaData; 91 92 wVersionRequested = MAKEWORD(2, 2); 93 94 (void) WSAStartup(wVersionRequested, &wsaData); 95 #endif 96 97 evutil_weakrand_seed_(&weakrand_state, 0); 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 assert(ev[i] != NULL); 105 106 /* Initalize one event */ 107 evtimer_set(ev[i], time_cb, ev[i]); 108 tv.tv_sec = 0; 109 tv.tv_usec = rand_int(50000); 110 evtimer_add(ev[i], &tv); 111 } 112 113 event_dispatch(); 114 115 116 printf("%d, %d\n", called, NEVENT); 117 return (called < NEVENT); 118 } 119 120