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 29 #include <sys/types.h> 30 #include <sys/stat.h> 31 #include <fcntl.h> 32 #include <stdlib.h> 33 #include <stdio.h> 34 #include <string.h> 35 #ifndef _WIN32 36 #include <unistd.h> 37 #include <sys/time.h> 38 #endif 39 #include <errno.h> 40 41 #include "event2/event.h" 42 #include "event2/event_compat.h" 43 #include "event2/event_struct.h" 44 45 int called = 0; 46 47 #define NEVENT 20000 48 49 struct event *ev[NEVENT]; 50 51 static int 52 rand_int(int n) 53 { 54 #ifdef _WIN32 55 return (int)(rand() % n); 56 #else 57 return (int)(random() % n); 58 #endif 59 } 60 61 static void 62 time_cb(evutil_socket_t fd, short event, void *arg) 63 { 64 struct timeval tv; 65 int i, j; 66 67 called++; 68 69 if (called < 10*NEVENT) { 70 for (i = 0; i < 10; i++) { 71 j = rand_int(NEVENT); 72 tv.tv_sec = 0; 73 tv.tv_usec = rand_int(50000); 74 if (tv.tv_usec % 2) 75 evtimer_add(ev[j], &tv); 76 else 77 evtimer_del(ev[j]); 78 } 79 } 80 } 81 82 int 83 main(int argc, char **argv) 84 { 85 struct timeval tv; 86 int i; 87 #ifdef _WIN32 88 WORD wVersionRequested; 89 WSADATA wsaData; 90 91 wVersionRequested = MAKEWORD(2, 2); 92 93 (void) WSAStartup(wVersionRequested, &wsaData); 94 #endif 95 96 /* Initalize the event library */ 97 event_init(); 98 99 for (i = 0; i < NEVENT; i++) { 100 ev[i] = malloc(sizeof(struct event)); 101 102 /* Initalize one event */ 103 evtimer_set(ev[i], time_cb, ev[i]); 104 tv.tv_sec = 0; 105 tv.tv_usec = rand_int(50000); 106 evtimer_add(ev[i], &tv); 107 } 108 109 event_dispatch(); 110 111 return (called < NEVENT); 112 } 113 114