1 /* $NetBSD: test-eof.c,v 1.1.1.1 2013/04/11 16:43:32 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 "event2/event-config.h" 29 #include <sys/cdefs.h> 30 __RCSID("$NetBSD: test-eof.c,v 1.1.1.1 2013/04/11 16:43:32 christos Exp $"); 31 32 #ifdef WIN32 33 #include <winsock2.h> 34 #else 35 #include <unistd.h> 36 #endif 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 #ifdef _EVENT_HAVE_SYS_TIME_H 40 #include <sys/time.h> 41 #endif 42 #ifdef _EVENT_HAVE_SYS_SOCKET_H 43 #include <sys/socket.h> 44 #endif 45 #include <fcntl.h> 46 #include <stdlib.h> 47 #include <stdio.h> 48 #include <string.h> 49 #include <errno.h> 50 51 #include <event.h> 52 #include <evutil.h> 53 54 #ifdef _EVENT___func__ 55 #define __func__ _EVENT___func__ 56 #endif 57 58 int test_okay = 1; 59 int called = 0; 60 struct timeval timeout = {60, 0}; 61 62 static void 63 read_cb(evutil_socket_t fd, short event, void *arg) 64 { 65 char buf[256]; 66 int len; 67 68 if (EV_TIMEOUT & event) { 69 printf("%s: Timeout!\n", __func__); 70 exit(1); 71 } 72 73 len = recv(fd, buf, sizeof(buf), 0); 74 75 printf("%s: read %d%s\n", __func__, 76 len, len ? "" : " - means EOF"); 77 78 if (len) { 79 if (!called) 80 event_add(arg, &timeout); 81 } else if (called == 1) 82 test_okay = 0; 83 84 called++; 85 } 86 87 #ifndef SHUT_WR 88 #define SHUT_WR 1 89 #endif 90 91 int 92 main(int argc, char **argv) 93 { 94 struct event ev; 95 const char *test = "test string"; 96 evutil_socket_t pair[2]; 97 98 #ifdef WIN32 99 WORD wVersionRequested; 100 WSADATA wsaData; 101 102 wVersionRequested = MAKEWORD(2, 2); 103 104 (void) WSAStartup(wVersionRequested, &wsaData); 105 #endif 106 107 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) 108 return (1); 109 110 111 if (send(pair[0], test, (int)strlen(test)+1, 0) < 0) 112 return (1); 113 shutdown(pair[0], SHUT_WR); 114 115 /* Initalize the event library */ 116 event_init(); 117 118 /* Initalize one event */ 119 event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev); 120 121 event_add(&ev, &timeout); 122 123 event_dispatch(); 124 125 return (test_okay); 126 } 127 128