1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* lws-minimal-http-server-multivhost
*
* Written in 2010-2019 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*
* This demonstrates the most minimal http server you can make with lws.
*
* To keep it simple, it serves stuff from the subdirectory
* "./mount-origin" of the directory it was started in.
* You can change that by changing mount.origin below.
*/
#include <libwebsockets.h>
#include <string.h>
#include <signal.h>
static int interrupted;
static const struct lws_http_mount mount_localhost1 = {
/* .mount_next */ NULL, /* linked-list "next" */
/* .mountpoint */ "/", /* mountpoint URL */
/* .origin */ "./mount-origin-localhost1",
/* .def */ "index.html", /* default filename */
/* .protocol */ NULL,
/* .cgienv */ NULL,
/* .extra_mimetypes */ NULL,
/* .interpret */ NULL,
/* .cgi_timeout */ 0,
/* .cache_max_age */ 0,
/* .auth_mask */ 0,
/* .cache_reusable */ 0,
/* .cache_revalidate */ 0,
/* .cache_intermediaries */ 0,
/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
/* .mountpoint_len */ 1, /* char count */
/* .basic_auth_login_file */ NULL,
}, mount_localhost2 = {
/* .mount_next */ NULL, /* linked-list "next" */
/* .mountpoint */ "/", /* mountpoint URL */
/* .origin */ "./mount-origin-localhost2",
/* .def */ "index.html", /* default filename */
/* .protocol */ NULL,
/* .cgienv */ NULL,
/* .extra_mimetypes */ NULL,
/* .interpret */ NULL,
/* .cgi_timeout */ 0,
/* .cache_max_age */ 0,
/* .auth_mask */ 0,
/* .cache_reusable */ 0,
/* .cache_revalidate */ 0,
/* .cache_intermediaries */ 0,
/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
/* .mountpoint_len */ 1, /* char count */
/* .basic_auth_login_file */ NULL,
}, mount_localhost3 = {
/* .mount_next */ NULL, /* linked-list "next" */
/* .mountpoint */ "/", /* mountpoint URL */
/* .origin */ "./mount-origin-localhost3",
/* .def */ "index.html", /* default filename */
/* .protocol */ NULL,
/* .cgienv */ NULL,
/* .extra_mimetypes */ NULL,
/* .interpret */ NULL,
/* .cgi_timeout */ 0,
/* .cache_max_age */ 0,
/* .auth_mask */ 0,
/* .cache_reusable */ 0,
/* .cache_revalidate */ 0,
/* .cache_intermediaries */ 0,
/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
/* .mountpoint_len */ 1, /* char count */
/* .basic_auth_login_file */ NULL,
};
void sigint_handler(int sig)
{
interrupted = 1;
}
void vh_destruction_notification(struct lws_vhost *vh, void *arg)
{
lwsl_user("%s: called, arg: %p\n", __func__, arg);
}
int main(int argc, const char **argv)
{
struct lws_context_creation_info info;
struct lws_context *context;
struct lws_vhost *new_vhost;
const char *p;
int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
/* for LLL_ verbosity above NOTICE to be built into lws,
* lws must have been configured and built with
* -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
/* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
/* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
/* | LLL_DEBUG */;
if ((p = lws_cmdline_option(argc, argv, "-d")))
logs = atoi(p);
lws_set_log_level(logs, NULL);
lwsl_user("LWS minimal http server-multivhost | visit http://localhost:7681 / 7682\n");
signal(SIGINT, sigint_handler);
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
info.options = LWS_SERVER_OPTION_EXPLICIT_VHOSTS |
LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
/*
* Because of LWS_SERVER_OPTION_EXPLICIT_VHOSTS, this only creates
* the context and no longer creates a default vhost
*/
context = lws_create_context(&info);
if (!context) {
lwsl_err("lws init failed\n");
return 1;
}
/* it's our job now to create the vhosts we want:
*
* - "localhost1" listen on 7681 and serve ./mount-origin-localhost1/
* - "localhost2" listen on 7682 and serve ./mount-origin-localhost2/
* - "localhost3" share 7682 and serve ./mount-origin-localhost3/
*
* Note lws supports dynamic vhost creation and destruction at runtime.
* When using multi-vhost with your own protocols, you must provide a
* pvo for each vhost naming each protocol you want enabled on it.
* minimal-ws-server-threads demonstrates how to provide pvos.
*/
info.port = 7681;
info.mounts = &mount_localhost1;
info.error_document_404 = "/404.html";
info.vhost_name = "localhost1";
if (!lws_create_vhost(context, &info)) {
lwsl_err("Failed to create first vhost\n");
goto bail;
}
info.port = 7682;
info.mounts = &mount_localhost2;
info.error_document_404 = "/404.html";
info.vhost_name = "localhost2";
if (!lws_cmdline_option(argc, argv, "--kill-7682")) {
if (!lws_create_vhost(context, &info)) {
lwsl_err("Failed to create second vhost\n");
goto bail;
}
}
/* a second vhost listens on port 7682 */
info.mounts = &mount_localhost3;
info.error_document_404 = "/404.html";
info.vhost_name = "localhost3";
info.finalize = vh_destruction_notification;
info.finalize_arg = NULL;
new_vhost = lws_create_vhost(context, &info);
if (!new_vhost) {
lwsl_err("Failed to create third vhost\n");
goto bail;
}
if (lws_cmdline_option(argc, argv, "--kill-7682"))
lws_vhost_destroy(new_vhost);
if (lws_cmdline_option(argc, argv, "--die-after-vhost")) {
lwsl_warn("bailing after creating vhosts\n");
goto bail;
}
while (n >= 0 && !interrupted)
n = lws_service(context, 0);
bail:
lws_context_destroy(context);
return 0;
}
|
