1 /* $NetBSD: test-eof.c,v 1.1.1.1 2013/12/27 23:31:29 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 57 int test_okay = 1; 58 int called = 0; 59 struct timeval timeout = {60, 0}; 60 61 static void 62 read_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 90 int 91 main(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