Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 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 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 104 | setbuf(stdout, NULL); |
| 105 | setbuf(stderr, NULL); |
| 106 | |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 107 | for (i = 1; i < argc; ++i) { |
| 108 | if (*argv[i] != '-') |
| 109 | continue; |
| 110 | |
| 111 | c = argv[i][1]; |
| 112 | |
| 113 | if ((c == 'p' || c == 'l') && i + 1 >= argc) { |
| 114 | fprintf(stderr, "-%c requires argument.\n", c); |
| 115 | exit(1); |
| 116 | } |
| 117 | |
| 118 | switch (c) { |
| 119 | case 'p': |
| 120 | if (i+1 >= argc || !argv[i+1]) { |
| 121 | fprintf(stderr, "Missing port\n"); |
| 122 | exit(1); |
| 123 | } |
| 124 | port = (int)strtol(argv[i+1], &endptr, 10); |
| 125 | if (*endptr != '\0') { |
| 126 | fprintf(stderr, "Bad port\n"); |
| 127 | exit(1); |
| 128 | } |
| 129 | break; |
| 130 | case 'l': |
| 131 | if (i+1 >= argc || !argv[i+1]) { |
| 132 | fprintf(stderr, "Missing content length\n"); |
| 133 | exit(1); |
| 134 | } |
| 135 | content_len = (size_t)strtol(argv[i+1], &endptr, 10); |
| 136 | if (*endptr != '\0' || content_len == 0) { |
| 137 | fprintf(stderr, "Bad content length\n"); |
| 138 | exit(1); |
| 139 | } |
| 140 | break; |
| 141 | #ifdef _WIN32 |
| 142 | case 'i': |
| 143 | use_iocp = 1; |
| 144 | #ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED |
| 145 | evthread_use_windows_threads(); |
| 146 | #endif |
| 147 | event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP); |
| 148 | break; |
| 149 | #endif |
| 150 | default: |
| 151 | fprintf(stderr, "Illegal argument \"%c\"\n", c); |
| 152 | exit(1); |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | base = event_base_new_with_config(cfg); |
| 157 | if (!base) { |
| 158 | fprintf(stderr, "creating event_base failed. Exiting.\n"); |
| 159 | return 1; |
| 160 | } |
| 161 | |
| 162 | http = evhttp_new(base); |
| 163 | |
| 164 | content = malloc(content_len); |
| 165 | if (content == NULL) { |
| 166 | fprintf(stderr, "Cannot allocate content\n"); |
| 167 | exit(1); |
| 168 | } else { |
| 169 | int i = 0; |
| 170 | for (i = 0; i < (int)content_len; ++i) |
| 171 | content[i] = (i & 255); |
| 172 | } |
| 173 | |
| 174 | evhttp_set_cb(http, "/ind", http_basic_cb, NULL); |
| 175 | fprintf(stderr, "/ind - basic content (memory copy)\n"); |
| 176 | |
| 177 | evhttp_set_cb(http, "/ref", http_ref_cb, NULL); |
| 178 | fprintf(stderr, "/ref - basic content (reference)\n"); |
| 179 | |
| 180 | fprintf(stderr, "Serving %d bytes on port %d using %s\n", |
| 181 | (int)content_len, port, |
| 182 | use_iocp? "IOCP" : event_base_get_method(base)); |
| 183 | |
| 184 | evhttp_bind_socket(http, "0.0.0.0", port); |
| 185 | |
| 186 | #ifdef _WIN32 |
| 187 | if (use_iocp) { |
| 188 | struct timeval tv={99999999,0}; |
| 189 | event_base_loopexit(base, &tv); |
| 190 | } |
| 191 | #endif |
| 192 | event_base_dispatch(base); |
| 193 | |
| 194 | #ifdef _WIN32 |
| 195 | WSACleanup(); |
| 196 | #endif |
| 197 | |
| 198 | /* NOTREACHED */ |
| 199 | return (0); |
| 200 | } |