Mercurial > hg > nginx-quic
comparison src/core/ngx_module.h @ 6383:85dea406e18f
Dynamic modules.
The auto/module script is extended to understand ngx_module_link=DYNAMIC.
When set, it links the module as a shared object rather than statically
into nginx binary. The module can later be loaded using the "load_module"
directive.
New auto/module parameter ngx_module_order allows to define module loading
order in complex cases. By default the order is set based on ngx_module_type.
3rd party modules can be compiled dynamically using the --add-dynamic-module
configure option, which will preset ngx_module_link to "DYNAMIC" before
calling the module config script.
Win32 support is rudimentary, and only works when using MinGW gcc (which
is able to handle exports/imports automatically).
In collaboration with Ruslan Ermilov.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 04 Feb 2016 20:25:29 +0300 |
parents | 0f203a2af17c |
children | ff1e625ae55b |
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6382:392959224560 | 6383:85dea406e18f |
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10 #define _NGX_MODULE_H_INCLUDED_ | 10 #define _NGX_MODULE_H_INCLUDED_ |
11 | 11 |
12 | 12 |
13 #include <ngx_config.h> | 13 #include <ngx_config.h> |
14 #include <ngx_core.h> | 14 #include <ngx_core.h> |
15 | 15 #include <nginx.h> |
16 | 16 |
17 #define NGX_MODULE_V1 0, 0, 0, 0, 0, 0, 1 | 17 |
18 #define NGX_MODULE_UNSET_INDEX (ngx_uint_t) -1 | |
19 | |
20 | |
21 #define NGX_MODULE_SIGNATURE_0 \ | |
22 ngx_value(NGX_PTR_SIZE) "," \ | |
23 ngx_value(NGX_SIG_ATOMIC_T_SIZE) "," \ | |
24 ngx_value(NGX_TIME_T_SIZE) "," | |
25 | |
26 #if (NGX_HAVE_KQUEUE) | |
27 #define NGX_MODULE_SIGNATURE_1 "1" | |
28 #else | |
29 #define NGX_MODULE_SIGNATURE_1 "0" | |
30 #endif | |
31 | |
32 #if (NGX_HAVE_IOCP) | |
33 #define NGX_MODULE_SIGNATURE_2 "1" | |
34 #else | |
35 #define NGX_MODULE_SIGNATURE_2 "0" | |
36 #endif | |
37 | |
38 #if (NGX_HAVE_FILE_AIO) | |
39 #define NGX_MODULE_SIGNATURE_3 "1" | |
40 #else | |
41 #define NGX_MODULE_SIGNATURE_3 "0" | |
42 #endif | |
43 | |
44 #if (NGX_HAVE_AIO_SENDFILE) | |
45 #define NGX_MODULE_SIGNATURE_4 "1" | |
46 #else | |
47 #define NGX_MODULE_SIGNATURE_4 "0" | |
48 #endif | |
49 | |
50 #if (NGX_HAVE_EVENTFD) | |
51 #define NGX_MODULE_SIGNATURE_5 "1" | |
52 #else | |
53 #define NGX_MODULE_SIGNATURE_5 "0" | |
54 #endif | |
55 | |
56 #if (NGX_HAVE_EPOLL) | |
57 #define NGX_MODULE_SIGNATURE_6 "1" | |
58 #else | |
59 #define NGX_MODULE_SIGNATURE_6 "0" | |
60 #endif | |
61 | |
62 #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
63 #define NGX_MODULE_SIGNATURE_7 "1" | |
64 #else | |
65 #define NGX_MODULE_SIGNATURE_7 "0" | |
66 #endif | |
67 | |
68 #if (NGX_HAVE_INET6) | |
69 #define NGX_MODULE_SIGNATURE_8 "1" | |
70 #else | |
71 #define NGX_MODULE_SIGNATURE_8 "0" | |
72 #endif | |
73 | |
74 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) | |
75 #define NGX_MODULE_SIGNATURE_9 "1" | |
76 #else | |
77 #define NGX_MODULE_SIGNATURE_9 "0" | |
78 #endif | |
79 | |
80 #if (NGX_HAVE_REUSEPORT) | |
81 #define NGX_MODULE_SIGNATURE_10 "1" | |
82 #else | |
83 #define NGX_MODULE_SIGNATURE_10 "0" | |
84 #endif | |
85 | |
86 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) | |
87 #define NGX_MODULE_SIGNATURE_11 "1" | |
88 #else | |
89 #define NGX_MODULE_SIGNATURE_11 "0" | |
90 #endif | |
91 | |
92 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
93 #define NGX_MODULE_SIGNATURE_12 "1" | |
94 #else | |
95 #define NGX_MODULE_SIGNATURE_12 "0" | |
96 #endif | |
97 | |
98 #if (NGX_HAVE_SETFIB) | |
99 #define NGX_MODULE_SIGNATURE_13 "1" | |
100 #else | |
101 #define NGX_MODULE_SIGNATURE_13 "0" | |
102 #endif | |
103 | |
104 #if (NGX_HAVE_TCP_FASTOPEN) | |
105 #define NGX_MODULE_SIGNATURE_14 "1" | |
106 #else | |
107 #define NGX_MODULE_SIGNATURE_14 "0" | |
108 #endif | |
109 | |
110 #if (NGX_HAVE_UNIX_DOMAIN) | |
111 #define NGX_MODULE_SIGNATURE_15 "1" | |
112 #else | |
113 #define NGX_MODULE_SIGNATURE_15 "0" | |
114 #endif | |
115 | |
116 #if (NGX_HAVE_VARIADIC_MACROS) | |
117 #define NGX_MODULE_SIGNATURE_16 "1" | |
118 #else | |
119 #define NGX_MODULE_SIGNATURE_16 "0" | |
120 #endif | |
121 | |
122 #if (NGX_HAVE_MD5) | |
123 #define NGX_MODULE_SIGNATURE_17 "1" | |
124 #else | |
125 #define NGX_MODULE_SIGNATURE_17 "0" | |
126 #endif | |
127 | |
128 #if (NGX_HAVE_SHA1) | |
129 #define NGX_MODULE_SIGNATURE_18 "1" | |
130 #else | |
131 #define NGX_MODULE_SIGNATURE_18 "0" | |
132 #endif | |
133 | |
134 #if (NGX_HAVE_OPENAT) | |
135 #define NGX_MODULE_SIGNATURE_19 "1" | |
136 #else | |
137 #define NGX_MODULE_SIGNATURE_19 "0" | |
138 #endif | |
139 | |
140 #if (NGX_HAVE_ATOMIC_OPS) | |
141 #define NGX_MODULE_SIGNATURE_20 "1" | |
142 #else | |
143 #define NGX_MODULE_SIGNATURE_20 "0" | |
144 #endif | |
145 | |
146 #if (NGX_HAVE_POSIX_SEM) | |
147 #define NGX_MODULE_SIGNATURE_21 "1" | |
148 #else | |
149 #define NGX_MODULE_SIGNATURE_21 "0" | |
150 #endif | |
151 | |
152 #if (NGX_THREADS) | |
153 #define NGX_MODULE_SIGNATURE_22 "1" | |
154 #else | |
155 #define NGX_MODULE_SIGNATURE_22 "0" | |
156 #endif | |
157 | |
158 #if (NGX_PCRE) | |
159 #define NGX_MODULE_SIGNATURE_23 "1" | |
160 #else | |
161 #define NGX_MODULE_SIGNATURE_23 "0" | |
162 #endif | |
163 | |
164 #if (NGX_HTTP_SSL) | |
165 #define NGX_MODULE_SIGNATURE_24 "1" | |
166 #else | |
167 #define NGX_MODULE_SIGNATURE_24 "0" | |
168 #endif | |
169 | |
170 #if (NGX_HTTP_V2) | |
171 #define NGX_MODULE_SIGNATURE_25 "1" | |
172 #else | |
173 #define NGX_MODULE_SIGNATURE_25 "0" | |
174 #endif | |
175 | |
176 #if (NGX_HTTP_GZIP) | |
177 #define NGX_MODULE_SIGNATURE_26 "1" | |
178 #else | |
179 #define NGX_MODULE_SIGNATURE_26 "0" | |
180 #endif | |
181 | |
182 #if (NGX_HTTP_DEGRADATION) | |
183 #define NGX_MODULE_SIGNATURE_27 "1" | |
184 #else | |
185 #define NGX_MODULE_SIGNATURE_27 "0" | |
186 #endif | |
187 | |
188 #if (NGX_HTTP_X_FORWARDED_FOR) | |
189 #define NGX_MODULE_SIGNATURE_28 "1" | |
190 #else | |
191 #define NGX_MODULE_SIGNATURE_28 "0" | |
192 #endif | |
193 | |
194 #if (NGX_HTTP_REALIP) | |
195 #define NGX_MODULE_SIGNATURE_29 "1" | |
196 #else | |
197 #define NGX_MODULE_SIGNATURE_29 "0" | |
198 #endif | |
199 | |
200 #if (NGX_HTTP_HEADERS) | |
201 #define NGX_MODULE_SIGNATURE_30 "1" | |
202 #else | |
203 #define NGX_MODULE_SIGNATURE_30 "0" | |
204 #endif | |
205 | |
206 #if (NGX_HTTP_DAV) | |
207 #define NGX_MODULE_SIGNATURE_31 "1" | |
208 #else | |
209 #define NGX_MODULE_SIGNATURE_31 "0" | |
210 #endif | |
211 | |
212 #if (NGX_HTTP_CACHE) | |
213 #define NGX_MODULE_SIGNATURE_32 "1" | |
214 #else | |
215 #define NGX_MODULE_SIGNATURE_32 "0" | |
216 #endif | |
217 | |
218 #if (NGX_HTTP_UPSTREAM_ZONE) | |
219 #define NGX_MODULE_SIGNATURE_33 "1" | |
220 #else | |
221 #define NGX_MODULE_SIGNATURE_33 "0" | |
222 #endif | |
223 | |
224 #define NGX_MODULE_SIGNATURE \ | |
225 NGX_MODULE_SIGNATURE_0 NGX_MODULE_SIGNATURE_1 NGX_MODULE_SIGNATURE_2 \ | |
226 NGX_MODULE_SIGNATURE_3 NGX_MODULE_SIGNATURE_4 NGX_MODULE_SIGNATURE_5 \ | |
227 NGX_MODULE_SIGNATURE_6 NGX_MODULE_SIGNATURE_7 NGX_MODULE_SIGNATURE_8 \ | |
228 NGX_MODULE_SIGNATURE_9 NGX_MODULE_SIGNATURE_10 NGX_MODULE_SIGNATURE_11 \ | |
229 NGX_MODULE_SIGNATURE_12 NGX_MODULE_SIGNATURE_13 NGX_MODULE_SIGNATURE_14 \ | |
230 NGX_MODULE_SIGNATURE_15 NGX_MODULE_SIGNATURE_16 NGX_MODULE_SIGNATURE_17 \ | |
231 NGX_MODULE_SIGNATURE_18 NGX_MODULE_SIGNATURE_19 NGX_MODULE_SIGNATURE_20 \ | |
232 NGX_MODULE_SIGNATURE_21 NGX_MODULE_SIGNATURE_22 NGX_MODULE_SIGNATURE_23 \ | |
233 NGX_MODULE_SIGNATURE_24 NGX_MODULE_SIGNATURE_25 NGX_MODULE_SIGNATURE_26 \ | |
234 NGX_MODULE_SIGNATURE_27 NGX_MODULE_SIGNATURE_28 NGX_MODULE_SIGNATURE_29 \ | |
235 NGX_MODULE_SIGNATURE_30 NGX_MODULE_SIGNATURE_31 NGX_MODULE_SIGNATURE_32 \ | |
236 NGX_MODULE_SIGNATURE_33 | |
237 | |
238 | |
239 #define NGX_MODULE_V1 \ | |
240 NGX_MODULE_UNSET_INDEX, NGX_MODULE_UNSET_INDEX, \ | |
241 NULL, 0, 0, nginx_version, NGX_MODULE_SIGNATURE | |
242 | |
18 #define NGX_MODULE_V1_PADDING 0, 0, 0, 0, 0, 0, 0, 0 | 243 #define NGX_MODULE_V1_PADDING 0, 0, 0, 0, 0, 0, 0, 0 |
19 | 244 |
20 | 245 |
21 struct ngx_module_s { | 246 struct ngx_module_s { |
22 ngx_uint_t ctx_index; | 247 ngx_uint_t ctx_index; |
23 ngx_uint_t index; | 248 ngx_uint_t index; |
24 | 249 |
250 char *name; | |
251 | |
25 ngx_uint_t spare0; | 252 ngx_uint_t spare0; |
26 ngx_uint_t spare1; | 253 ngx_uint_t spare1; |
27 ngx_uint_t spare2; | |
28 ngx_uint_t spare3; | |
29 | 254 |
30 ngx_uint_t version; | 255 ngx_uint_t version; |
256 char *signature; | |
31 | 257 |
32 void *ctx; | 258 void *ctx; |
33 ngx_command_t *commands; | 259 ngx_command_t *commands; |
34 ngx_uint_t type; | 260 ngx_uint_t type; |
35 | 261 |
61 char *(*init_conf)(ngx_cycle_t *cycle, void *conf); | 287 char *(*init_conf)(ngx_cycle_t *cycle, void *conf); |
62 } ngx_core_module_t; | 288 } ngx_core_module_t; |
63 | 289 |
64 | 290 |
65 ngx_int_t ngx_preinit_modules(); | 291 ngx_int_t ngx_preinit_modules(); |
292 ngx_int_t ngx_cycle_modules(ngx_cycle_t *cycle); | |
66 ngx_int_t ngx_init_modules(ngx_cycle_t *cycle); | 293 ngx_int_t ngx_init_modules(ngx_cycle_t *cycle); |
67 ngx_int_t ngx_count_modules(ngx_cycle_t *cycle, ngx_uint_t type); | 294 ngx_int_t ngx_count_modules(ngx_cycle_t *cycle, ngx_uint_t type); |
68 | 295 |
69 | 296 |
297 ngx_int_t ngx_add_module(ngx_conf_t *cf, ngx_str_t *file, | |
298 ngx_module_t *module, char **order); | |
299 | |
300 | |
70 extern ngx_module_t *ngx_modules[]; | 301 extern ngx_module_t *ngx_modules[]; |
71 extern ngx_uint_t ngx_max_module; | 302 extern ngx_uint_t ngx_max_module; |
72 | 303 |
304 extern char *ngx_module_names[]; | |
305 | |
73 | 306 |
74 #endif /* _NGX_MODULE_H_INCLUDED_ */ | 307 #endif /* _NGX_MODULE_H_INCLUDED_ */ |