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
51static void http_basic_cb(struct evhttp_request *req, void *arg);
52
53static char *content;
54static size_t content_len = 0;
55
56static void
57http_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
70static void
71http_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
84int
85main(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