1 /* $NetBSD: test-eof.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 "../util-internal.h" 29 #include "event2/event-config.h" 30 #include <sys/cdefs.h> 31 __RCSID("$NetBSD: test-eof.c,v 1.1.1.3 2021/04/07 02:43:15 christos Exp $"); 32 33 #ifdef _WIN32 34 #include <winsock2.h> 35 #else 36 #include <unistd.h> 37 #endif 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 #ifdef EVENT__HAVE_SYS_TIME_H 41 #include <sys/time.h> 42 #endif 43 #ifdef EVENT__HAVE_SYS_SOCKET_H 44 #include <sys/socket.h> 45 #endif 46 #include <fcntl.h> 47 #include <stdlib.h> 48 #include <stdio.h> 49 #include <string.h> 50 #include <errno.h> 51 52 #include <event.h> 53 #include <evutil.h> 54 55 int test_okay = 1; 56 int called = 0; 57 struct timeval timeout = {60, 0}; 58 59 static void 60 read_cb(evutil_socket_t fd, short event, void *arg) 61 { 62 char buf[256]; 63 int len; 64 65 if (EV_TIMEOUT & event) { 66 printf("%s: Timeout!\n", __func__); 67 exit(1); 68 } 69 70 len = recv(fd, buf, sizeof(buf), 0); 71 72 printf("%s: read %d%s\n", __func__, 73 len, len ? "" : " - means EOF"); 74 75 if (len) { 76 if (!called) 77 event_add(arg, &timeout); 78 } else if (called == 1) 79 test_okay = 0; 80 81 called++; 82 } 83 84 int 85 main(int argc, char **argv) 86 { 87 struct event ev; 88 const char *test = "test string"; 89 evutil_socket_t pair[2]; 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 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) 101 return (1); 102 103 104 if (send(pair[0], test, (int)strlen(test)+1, 0) < 0) 105 return (1); 106 shutdown(pair[0], EVUTIL_SHUT_WR); 107 108 /* Initialize the event library */ 109 event_init(); 110 111 /* Initialize one event */ 112 event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev); 113 114 event_add(&ev, &timeout); 115 116 event_dispatch(); 117 118 return (test_okay); 119 } 120 121