1/* $NetBSD: test-eof.c,v 1.5 2020/05/25 20:47:34 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#ifdef _WIN32 32#include <winsock2.h> 33#else 34#include <unistd.h> 35#endif 36#include <sys/types.h> 37#include <sys/stat.h> 38#ifdef EVENT__HAVE_SYS_TIME_H 39#include <sys/time.h> 40#endif 41#ifdef EVENT__HAVE_SYS_SOCKET_H 42#include <sys/socket.h> 43#endif 44#include <fcntl.h> 45#include <stdlib.h> 46#include <stdio.h> 47#include <string.h> 48#include <errno.h> 49 50#include <event.h> 51#include <evutil.h> 52 53#ifdef EVENT____func__ 54#define __func__ EVENT____func__ 55#endif 56 57int test_okay = 1; 58int called = 0; 59struct timeval timeout = {60, 0}; 60 61static void 62read_cb(evutil_socket_t fd, short event, void *arg) 63{ 64 char buf[256]; 65 int len; 66 67 if (EV_TIMEOUT & event) { 68 printf("%s: Timeout!\n", __func__); 69 exit(1); 70 } 71 72 len = recv(fd, buf, sizeof(buf), 0); 73 74 printf("%s: read %d%s\n", __func__, 75 len, len ? "" : " - means EOF"); 76 77 if (len) { 78 if (!called) 79 event_add(arg, &timeout); 80 } else if (called == 1) 81 test_okay = 0; 82 83 called++; 84} 85 86#ifndef SHUT_WR 87#define SHUT_WR 1 88#endif 89 90int 91main(int argc, char **argv) 92{ 93 struct event ev; 94 const char *test = "test string"; 95 evutil_socket_t pair[2]; 96 97#ifdef _WIN32 98 WORD wVersionRequested; 99 WSADATA wsaData; 100 101 wVersionRequested = MAKEWORD(2, 2); 102 103 (void) WSAStartup(wVersionRequested, &wsaData); 104#endif 105 106 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) 107 return (1); 108 109 110 if (send(pair[0], test, (int)strlen(test)+1, 0) < 0) 111 return (1); 112 shutdown(pair[0], SHUT_WR); 113 114 /* Initalize the event library */ 115 event_init(); 116 117 /* Initalize one event */ 118 event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev); 119 120 event_add(&ev, &timeout); 121 122 event_dispatch(); 123 124 return (test_okay); 125} 126 127