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
http_basic_cb(struct evhttp_request * req,void * arg)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
http_ref_cb(struct evhttp_request * req,void * arg)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
main(int argc,char ** argv)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 unsigned short 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 evthread_use_windows_threads();
142 event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP);
143 break;
144 #endif
145 default:
146 fprintf(stderr, "Illegal argument \"%c\"\n", c);
147 exit(1);
148 }
149 }
150
151 base = event_base_new_with_config(cfg);
152 if (!base) {
153 fprintf(stderr, "creating event_base failed. Exiting.\n");
154 return 1;
155 }
156
157 http = evhttp_new(base);
158
159 content = malloc(content_len);
160 if (content == NULL) {
161 fprintf(stderr, "Cannot allocate content\n");
162 exit(1);
163 } else {
164 int i = 0;
165 for (i = 0; i < (int)content_len; ++i)
166 content[i] = (i & 255);
167 }
168
169 evhttp_set_cb(http, "/ind", http_basic_cb, NULL);
170 fprintf(stderr, "/ind - basic content (memory copy)\n");
171
172 evhttp_set_cb(http, "/ref", http_ref_cb, NULL);
173 fprintf(stderr, "/ref - basic content (reference)\n");
174
175 fprintf(stderr, "Serving %d bytes on port %d using %s\n",
176 (int)content_len, port,
177 use_iocp? "IOCP" : event_base_get_method(base));
178
179 evhttp_bind_socket(http, "0.0.0.0", port);
180
181 #ifdef _WIN32
182 if (use_iocp) {
183 struct timeval tv={99999999,0};
184 event_base_loopexit(base, &tv);
185 }
186 #endif
187 event_base_dispatch(base);
188
189 #ifdef _WIN32
190 WSACleanup();
191 #endif
192
193 /* NOTREACHED */
194 return (0);
195 }
196