1 /* 2 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu> 3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #include "event2/event-config.h" 28 #include "util-internal.h" 29 30 #include <sys/types.h> 31 #include <sys/stat.h> 32 #include <fcntl.h> 33 #include <stdlib.h> 34 #include <stdio.h> 35 #include <string.h> 36 #ifndef _WIN32 37 #include <unistd.h> 38 #include <sys/time.h> 39 #endif 40 #include <errno.h> 41 42 #include "event2/event.h" 43 #include "event2/event_compat.h" 44 #include "event2/event_struct.h" 45 46 int called = 0; 47 48 #define NEVENT 20000 49 50 struct event *ev[NEVENT]; 51 52 struct evutil_weakrand_state weakrand_state; 53 54 static int 55 rand_int(int n) 56 { 57 return evutil_weakrand_(&weakrand_state) % n; 58 } 59 60 static void 61 time_cb(evutil_socket_t fd, short event, void *arg) 62 { 63 struct timeval tv; 64 int i, j; 65 66 called++; 67 68 if (called < 10*NEVENT) { 69 for (i = 0; i < 10; i++) { 70 j = rand_int(NEVENT); 71 tv.tv_sec = 0; 72 tv.tv_usec = rand_int(50000); 73 if (tv.tv_usec % 2 || called < NEVENT) 74 evtimer_add(ev[j], &tv); 75 else 76 evtimer_del(ev[j]); 77 } 78 } 79 } 80 81 int 82 main(int argc, char **argv) 83 { 84 struct timeval tv; 85 int i; 86 #ifdef _WIN32 87 WORD wVersionRequested; 88 WSADATA wsaData; 89 90 wVersionRequested = MAKEWORD(2, 2); 91 92 (void) WSAStartup(wVersionRequested, &wsaData); 93 #endif 94 95 evutil_weakrand_seed_(&weakrand_state, 0); 96 97 /* Initalize the event library */ 98 event_init(); 99 100 for (i = 0; i < NEVENT; i++) { 101 ev[i] = malloc(sizeof(struct event)); 102 103 /* Initalize one event */ 104 evtimer_set(ev[i], time_cb, ev[i]); 105 tv.tv_sec = 0; 106 tv.tv_usec = rand_int(50000); 107 evtimer_add(ev[i], &tv); 108 } 109 110 event_dispatch(); 111 112 113 printf("%d, %d\n", called, NEVENT); 114 return (called < NEVENT); 115 } 116 117