1 /* 2 * Copyright 2008-2012 Niels Provos and Nick Mathewson 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 4. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #include <sys/types.h> 29 #include <sys/stat.h> 30 #ifdef _WIN32 31 #include <winsock2.h> 32 #else 33 #include <sys/socket.h> 34 #include <sys/resource.h> 35 #include <sys/time.h> 36 #include <unistd.h> 37 #endif 38 #include <fcntl.h> 39 #include <signal.h> 40 #include <stdlib.h> 41 #include <stdio.h> 42 #include <string.h> 43 #include <errno.h> 44 45 #include "event2/event.h" 46 #include "event2/buffer.h" 47 #include "event2/util.h" 48 #include "event2/http.h" 49 #include "event2/thread.h" 50 51 static void http_basic_cb(struct evhttp_request *req, void *arg); 52 53 static char *content; 54 static size_t content_len = 0; 55 56 static void 57 http_basic_cb(struct evhttp_request *req, void *arg) 58 { 59 struct evbuffer *evb = evbuffer_new(); 60 61 evbuffer_add(evb, content, content_len); 62 63 /* allow sending of an empty reply */ 64 evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); 65 66 evbuffer_free(evb); 67 } 68 69 #if LIBEVENT_VERSION_NUMBER >= 0x02000200 70 static void 71 http_ref_cb(struct evhttp_request *req, void *arg) 72 { 73 struct evbuffer *evb = evbuffer_new(); 74 75 evbuffer_add_reference(evb, content, content_len, NULL, NULL); 76 77 /* allow sending of an empty reply */ 78 evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb); 79 80 evbuffer_free(evb); 81 } 82 #endif 83 84 int 85 main(int argc, char **argv) 86 { 87 struct event_config *cfg = event_config_new(); 88 struct event_base *base; 89 struct evhttp *http; 90 int i; 91 int c; 92 int use_iocp = 0; 93 ev_uint16_t port = 8080; 94 char *endptr = NULL; 95 96 #ifdef _WIN32 97 WSADATA WSAData; 98 WSAStartup(0x101, &WSAData); 99 #else 100 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) 101 return (1); 102 #endif 103 104 for (i = 1; i < argc; ++i) { 105 if (*argv[i] != '-') 106 continue; 107 108 c = argv[i][1]; 109 110 if ((c == 'p' || c == 'l') && i + 1 >= argc) { 111 fprintf(stderr, "-%c requires argument.\n", c); 112 exit(1); 113 } 114 115 switch (c) { 116 case 'p': 117 if (i+1 >= argc || !argv[i+1]) { 118 fprintf(stderr, "Missing port\n"); 119 exit(1); 120 } 121 port = (int)strtol(argv[i+1], &endptr, 10); 122 if (*endptr != '\0') { 123 fprintf(stderr, "Bad port\n"); 124 exit(1); 125 } 126 break; 127 case 'l': 128 if (i+1 >= argc || !argv[i+1]) { 129 fprintf(stderr, "Missing content length\n"); 130 exit(1); 131 } 132 content_len = (size_t)strtol(argv[i+1], &endptr, 10); 133 if (*endptr != '\0' || content_len == 0) { 134 fprintf(stderr, "Bad content length\n"); 135 exit(1); 136 } 137 break; 138 #ifdef _WIN32 139 case 'i': 140 use_iocp = 1; 141 #ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED 142 evthread_use_windows_threads(); 143 #endif 144 event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP); 145 break; 146 #endif 147 default: 148 fprintf(stderr, "Illegal argument \"%c\"\n", c); 149 exit(1); 150 } 151 } 152 153 base = event_base_new_with_config(cfg); 154 if (!base) { 155 fprintf(stderr, "creating event_base failed. Exiting.\n"); 156 return 1; 157 } 158 159 http = evhttp_new(base); 160 161 content = malloc(content_len); 162 if (content == NULL) { 163 fprintf(stderr, "Cannot allocate content\n"); 164 exit(1); 165 } else { 166 int i = 0; 167 for (i = 0; i < (int)content_len; ++i) 168 content[i] = (i & 255); 169 } 170 171 evhttp_set_cb(http, "/ind", http_basic_cb, NULL); 172 fprintf(stderr, "/ind - basic content (memory copy)\n"); 173 174 evhttp_set_cb(http, "/ref", http_ref_cb, NULL); 175 fprintf(stderr, "/ref - basic content (reference)\n"); 176 177 fprintf(stderr, "Serving %d bytes on port %d using %s\n", 178 (int)content_len, port, 179 use_iocp? "IOCP" : event_base_get_method(base)); 180 181 evhttp_bind_socket(http, "0.0.0.0", port); 182 183 #ifdef _WIN32 184 if (use_iocp) { 185 struct timeval tv={99999999,0}; 186 event_base_loopexit(base, &tv); 187 } 188 #endif 189 event_base_dispatch(base); 190 191 #ifdef _WIN32 192 WSACleanup(); 193 #endif 194 195 /* NOTREACHED */ 196 return (0); 197 } 198