test-eof.c (3105B)
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 "../util-internal.h" 28 #include "event2/event-config.h" 29 30 #ifdef _WIN32 31 #include <winsock2.h> 32 #else 33 #include <unistd.h> 34 #endif 35 #include <sys/types.h> 36 #include <sys/stat.h> 37 #ifdef EVENT__HAVE_SYS_TIME_H 38 #include <sys/time.h> 39 #endif 40 #ifdef EVENT__HAVE_SYS_SOCKET_H 41 #include <sys/socket.h> 42 #endif 43 #include <fcntl.h> 44 #include <stdlib.h> 45 #include <stdio.h> 46 #include <string.h> 47 #include <errno.h> 48 49 #include <event.h> 50 #include <evutil.h> 51 52 int test_okay = 1; 53 int called = 0; 54 struct timeval timeout = {60, 0}; 55 56 static void 57 read_cb(evutil_socket_t fd, short event, void *arg) 58 { 59 char buf[256]; 60 int len; 61 62 if (EV_TIMEOUT & event) { 63 printf("%s: Timeout!\n", __func__); 64 exit(1); 65 } 66 67 len = recv(fd, buf, sizeof(buf), 0); 68 69 printf("%s: read %d%s\n", __func__, 70 len, len ? "" : " - means EOF"); 71 72 if (len) { 73 if (!called) 74 event_add(arg, &timeout); 75 } else if (called == 1) 76 test_okay = 0; 77 78 called++; 79 } 80 81 int 82 main(int argc, char **argv) 83 { 84 struct event ev; 85 const char *test = "test string"; 86 evutil_socket_t pair[2]; 87 88 #ifdef _WIN32 89 WORD wVersionRequested; 90 WSADATA wsaData; 91 92 wVersionRequested = MAKEWORD(2, 2); 93 94 (void) WSAStartup(wVersionRequested, &wsaData); 95 #endif 96 97 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) 98 return (1); 99 100 101 if (send(pair[0], test, (int)strlen(test)+1, 0) < 0) 102 return (1); 103 shutdown(pair[0], EVUTIL_SHUT_WR); 104 105 /* Initialize the event library */ 106 event_init(); 107 108 /* Initialize one event */ 109 event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev); 110 111 event_add(&ev, &timeout); 112 113 event_dispatch(); 114 115 return (test_okay); 116 }