Mercurial > hg > nginx
annotate src/stream/ngx_stream_variables.c @ 6669:164a0824ce20
Stream: the $session_time variable.
The variable keeps time spent on processing the stream session.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Fri, 26 Aug 2016 15:33:04 +0300 |
parents | 5e2821c2de46 |
children | c6372a40c2a7 |
rev | line source |
---|---|
6607 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 #include <nginx.h> | |
12 | |
13 | |
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14 static ngx_int_t ngx_stream_variable_binary_remote_addr( |
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15 ngx_stream_session_t *s, ngx_stream_variable_value_t *v, uintptr_t data); |
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16 static ngx_int_t ngx_stream_variable_remote_addr(ngx_stream_session_t *s, |
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17 ngx_stream_variable_value_t *v, uintptr_t data); |
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18 static ngx_int_t ngx_stream_variable_remote_port(ngx_stream_session_t *s, |
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19 ngx_stream_variable_value_t *v, uintptr_t data); |
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20 static ngx_int_t ngx_stream_variable_server_addr(ngx_stream_session_t *s, |
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21 ngx_stream_variable_value_t *v, uintptr_t data); |
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22 static ngx_int_t ngx_stream_variable_server_port(ngx_stream_session_t *s, |
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23 ngx_stream_variable_value_t *v, uintptr_t data); |
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24 static ngx_int_t ngx_stream_variable_bytes(ngx_stream_session_t *s, |
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25 ngx_stream_variable_value_t *v, uintptr_t data); |
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26 static ngx_int_t ngx_stream_variable_session_time(ngx_stream_session_t *s, |
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27 ngx_stream_variable_value_t *v, uintptr_t data); |
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28 static ngx_int_t ngx_stream_variable_connection(ngx_stream_session_t *s, |
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29 ngx_stream_variable_value_t *v, uintptr_t data); |
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30 |
6607 | 31 static ngx_int_t ngx_stream_variable_nginx_version(ngx_stream_session_t *s, |
32 ngx_stream_variable_value_t *v, uintptr_t data); | |
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33 static ngx_int_t ngx_stream_variable_hostname(ngx_stream_session_t *s, |
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34 ngx_stream_variable_value_t *v, uintptr_t data); |
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35 static ngx_int_t ngx_stream_variable_pid(ngx_stream_session_t *s, |
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36 ngx_stream_variable_value_t *v, uintptr_t data); |
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37 static ngx_int_t ngx_stream_variable_msec(ngx_stream_session_t *s, |
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38 ngx_stream_variable_value_t *v, uintptr_t data); |
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39 static ngx_int_t ngx_stream_variable_time_iso8601(ngx_stream_session_t *s, |
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40 ngx_stream_variable_value_t *v, uintptr_t data); |
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41 static ngx_int_t ngx_stream_variable_time_local(ngx_stream_session_t *s, |
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42 ngx_stream_variable_value_t *v, uintptr_t data); |
6607 | 43 |
44 | |
45 static ngx_stream_variable_t ngx_stream_core_variables[] = { | |
46 | |
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47 { ngx_string("binary_remote_addr"), NULL, |
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48 ngx_stream_variable_binary_remote_addr, 0, 0, 0 }, |
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49 |
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50 { ngx_string("remote_addr"), NULL, |
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51 ngx_stream_variable_remote_addr, 0, 0, 0 }, |
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52 |
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53 { ngx_string("remote_port"), NULL, |
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54 ngx_stream_variable_remote_port, 0, 0, 0 }, |
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55 |
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56 { ngx_string("server_addr"), NULL, |
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57 ngx_stream_variable_server_addr, 0, 0, 0 }, |
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58 |
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59 { ngx_string("server_port"), NULL, |
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60 ngx_stream_variable_server_port, 0, 0, 0 }, |
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61 |
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62 { ngx_string("bytes_sent"), NULL, ngx_stream_variable_bytes, |
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63 0, 0, 0 }, |
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64 |
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65 { ngx_string("bytes_received"), NULL, ngx_stream_variable_bytes, |
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66 1, 0, 0 }, |
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67 |
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68 { ngx_string("session_time"), NULL, ngx_stream_variable_session_time, |
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69 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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70 |
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71 { ngx_string("connection"), NULL, |
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72 ngx_stream_variable_connection, 0, 0, 0 }, |
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73 |
6607 | 74 { ngx_string("nginx_version"), NULL, ngx_stream_variable_nginx_version, |
75 0, 0, 0 }, | |
76 | |
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77 { ngx_string("hostname"), NULL, ngx_stream_variable_hostname, |
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78 0, 0, 0 }, |
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79 |
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80 { ngx_string("pid"), NULL, ngx_stream_variable_pid, |
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81 0, 0, 0 }, |
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82 |
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83 { ngx_string("msec"), NULL, ngx_stream_variable_msec, |
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84 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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85 |
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86 { ngx_string("time_iso8601"), NULL, ngx_stream_variable_time_iso8601, |
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87 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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88 |
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89 { ngx_string("time_local"), NULL, ngx_stream_variable_time_local, |
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90 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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91 |
6607 | 92 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
93 }; | |
94 | |
95 | |
96 ngx_stream_variable_value_t ngx_stream_variable_null_value = | |
97 ngx_stream_variable(""); | |
98 ngx_stream_variable_value_t ngx_stream_variable_true_value = | |
99 ngx_stream_variable("1"); | |
100 | |
101 | |
102 ngx_stream_variable_t * | |
103 ngx_stream_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) | |
104 { | |
105 ngx_int_t rc; | |
106 ngx_uint_t i; | |
107 ngx_hash_key_t *key; | |
108 ngx_stream_variable_t *v; | |
109 ngx_stream_core_main_conf_t *cmcf; | |
110 | |
111 if (name->len == 0) { | |
112 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
113 "invalid variable name \"$\""); | |
114 return NULL; | |
115 } | |
116 | |
117 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
118 | |
119 key = cmcf->variables_keys->keys.elts; | |
120 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
121 if (name->len != key[i].key.len | |
122 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
123 { | |
124 continue; | |
125 } | |
126 | |
127 v = key[i].value; | |
128 | |
129 if (!(v->flags & NGX_STREAM_VAR_CHANGEABLE)) { | |
130 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
131 "the duplicate \"%V\" variable", name); | |
132 return NULL; | |
133 } | |
134 | |
135 return v; | |
136 } | |
137 | |
138 v = ngx_palloc(cf->pool, sizeof(ngx_stream_variable_t)); | |
139 if (v == NULL) { | |
140 return NULL; | |
141 } | |
142 | |
143 v->name.len = name->len; | |
144 v->name.data = ngx_pnalloc(cf->pool, name->len); | |
145 if (v->name.data == NULL) { | |
146 return NULL; | |
147 } | |
148 | |
149 ngx_strlow(v->name.data, name->data, name->len); | |
150 | |
151 v->set_handler = NULL; | |
152 v->get_handler = NULL; | |
153 v->data = 0; | |
154 v->flags = flags; | |
155 v->index = 0; | |
156 | |
157 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); | |
158 | |
159 if (rc == NGX_ERROR) { | |
160 return NULL; | |
161 } | |
162 | |
163 if (rc == NGX_BUSY) { | |
164 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
165 "conflicting variable name \"%V\"", name); | |
166 return NULL; | |
167 } | |
168 | |
169 return v; | |
170 } | |
171 | |
172 | |
173 ngx_int_t | |
174 ngx_stream_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
175 { | |
176 ngx_uint_t i; | |
177 ngx_stream_variable_t *v; | |
178 ngx_stream_core_main_conf_t *cmcf; | |
179 | |
180 if (name->len == 0) { | |
181 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
182 "invalid variable name \"$\""); | |
183 return NGX_ERROR; | |
184 } | |
185 | |
186 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
187 | |
188 v = cmcf->variables.elts; | |
189 | |
190 if (v == NULL) { | |
191 if (ngx_array_init(&cmcf->variables, cf->pool, 4, | |
192 sizeof(ngx_stream_variable_t)) | |
193 != NGX_OK) | |
194 { | |
195 return NGX_ERROR; | |
196 } | |
197 | |
198 } else { | |
199 for (i = 0; i < cmcf->variables.nelts; i++) { | |
200 if (name->len != v[i].name.len | |
201 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
202 { | |
203 continue; | |
204 } | |
205 | |
206 return i; | |
207 } | |
208 } | |
209 | |
210 v = ngx_array_push(&cmcf->variables); | |
211 if (v == NULL) { | |
212 return NGX_ERROR; | |
213 } | |
214 | |
215 v->name.len = name->len; | |
216 v->name.data = ngx_pnalloc(cf->pool, name->len); | |
217 if (v->name.data == NULL) { | |
218 return NGX_ERROR; | |
219 } | |
220 | |
221 ngx_strlow(v->name.data, name->data, name->len); | |
222 | |
223 v->set_handler = NULL; | |
224 v->get_handler = NULL; | |
225 v->data = 0; | |
226 v->flags = 0; | |
227 v->index = cmcf->variables.nelts - 1; | |
228 | |
229 return v->index; | |
230 } | |
231 | |
232 | |
233 ngx_stream_variable_value_t * | |
234 ngx_stream_get_indexed_variable(ngx_stream_session_t *s, ngx_uint_t index) | |
235 { | |
236 ngx_stream_variable_t *v; | |
237 ngx_stream_core_main_conf_t *cmcf; | |
238 | |
239 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
240 | |
241 if (cmcf->variables.nelts <= index) { | |
242 ngx_log_error(NGX_LOG_ALERT, s->connection->log, 0, | |
243 "unknown variable index: %ui", index); | |
244 return NULL; | |
245 } | |
246 | |
247 if (s->variables[index].not_found || s->variables[index].valid) { | |
248 return &s->variables[index]; | |
249 } | |
250 | |
251 v = cmcf->variables.elts; | |
252 | |
253 if (v[index].get_handler(s, &s->variables[index], v[index].data) | |
254 == NGX_OK) | |
255 { | |
256 if (v[index].flags & NGX_STREAM_VAR_NOCACHEABLE) { | |
257 s->variables[index].no_cacheable = 1; | |
258 } | |
259 | |
260 return &s->variables[index]; | |
261 } | |
262 | |
263 s->variables[index].valid = 0; | |
264 s->variables[index].not_found = 1; | |
265 | |
266 return NULL; | |
267 } | |
268 | |
269 | |
270 ngx_stream_variable_value_t * | |
271 ngx_stream_get_flushed_variable(ngx_stream_session_t *s, ngx_uint_t index) | |
272 { | |
273 ngx_stream_variable_value_t *v; | |
274 | |
275 v = &s->variables[index]; | |
276 | |
277 if (v->valid || v->not_found) { | |
278 if (!v->no_cacheable) { | |
279 return v; | |
280 } | |
281 | |
282 v->valid = 0; | |
283 v->not_found = 0; | |
284 } | |
285 | |
286 return ngx_stream_get_indexed_variable(s, index); | |
287 } | |
288 | |
289 | |
290 ngx_stream_variable_value_t * | |
291 ngx_stream_get_variable(ngx_stream_session_t *s, ngx_str_t *name, | |
292 ngx_uint_t key) | |
293 { | |
294 ngx_stream_variable_t *v; | |
295 ngx_stream_variable_value_t *vv; | |
296 ngx_stream_core_main_conf_t *cmcf; | |
297 | |
298 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
299 | |
300 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); | |
301 | |
302 if (v) { | |
303 if (v->flags & NGX_STREAM_VAR_INDEXED) { | |
304 return ngx_stream_get_flushed_variable(s, v->index); | |
305 | |
306 } else { | |
307 | |
308 vv = ngx_palloc(s->connection->pool, | |
309 sizeof(ngx_stream_variable_value_t)); | |
310 | |
311 if (vv && v->get_handler(s, vv, v->data) == NGX_OK) { | |
312 return vv; | |
313 } | |
314 | |
315 return NULL; | |
316 } | |
317 } | |
318 | |
319 vv = ngx_palloc(s->connection->pool, sizeof(ngx_stream_variable_value_t)); | |
320 if (vv == NULL) { | |
321 return NULL; | |
322 } | |
323 | |
324 vv->not_found = 1; | |
325 | |
326 return vv; | |
327 } | |
328 | |
329 | |
330 static ngx_int_t | |
6608
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331 ngx_stream_variable_binary_remote_addr(ngx_stream_session_t *s, |
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332 ngx_stream_variable_value_t *v, uintptr_t data) |
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|
333 { |
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|
334 struct sockaddr_in *sin; |
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|
335 #if (NGX_HAVE_INET6) |
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|
336 struct sockaddr_in6 *sin6; |
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|
337 #endif |
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|
338 |
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|
339 switch (s->connection->sockaddr->sa_family) { |
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|
340 |
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|
341 #if (NGX_HAVE_INET6) |
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|
342 case AF_INET6: |
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343 sin6 = (struct sockaddr_in6 *) s->connection->sockaddr; |
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|
344 |
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|
345 v->len = sizeof(struct in6_addr); |
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|
346 v->valid = 1; |
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|
347 v->no_cacheable = 0; |
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|
348 v->not_found = 0; |
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parents:
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|
349 v->data = sin6->sin6_addr.s6_addr; |
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|
350 |
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parents:
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|
351 break; |
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|
352 #endif |
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|
353 |
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|
354 default: /* AF_INET */ |
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|
355 sin = (struct sockaddr_in *) s->connection->sockaddr; |
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356 |
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|
357 v->len = sizeof(in_addr_t); |
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358 v->valid = 1; |
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parents:
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|
359 v->no_cacheable = 0; |
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parents:
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|
360 v->not_found = 0; |
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parents:
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diff
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|
361 v->data = (u_char *) &sin->sin_addr; |
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Stream: core module variables.
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|
362 |
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Stream: core module variables.
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parents:
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|
363 break; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
364 } |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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|
365 |
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parents:
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|
366 return NGX_OK; |
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parents:
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|
367 } |
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parents:
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|
368 |
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|
369 |
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changeset
|
370 static ngx_int_t |
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
371 ngx_stream_variable_remote_addr(ngx_stream_session_t *s, |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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|
372 ngx_stream_variable_value_t *v, uintptr_t data) |
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Stream: core module variables.
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parents:
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|
373 { |
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parents:
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diff
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|
374 v->len = s->connection->addr_text.len; |
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Stream: core module variables.
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|
375 v->valid = 1; |
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diff
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|
376 v->no_cacheable = 0; |
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|
377 v->not_found = 0; |
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parents:
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diff
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|
378 v->data = s->connection->addr_text.data; |
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changeset
|
379 |
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parents:
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diff
changeset
|
380 return NGX_OK; |
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parents:
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diff
changeset
|
381 } |
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changeset
|
382 |
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parents:
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|
383 |
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
384 static ngx_int_t |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
385 ngx_stream_variable_remote_port(ngx_stream_session_t *s, |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
386 ngx_stream_variable_value_t *v, uintptr_t data) |
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Stream: core module variables.
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parents:
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diff
changeset
|
387 { |
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parents:
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diff
changeset
|
388 ngx_uint_t port; |
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parents:
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diff
changeset
|
389 |
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changeset
|
390 v->len = 0; |
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parents:
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diff
changeset
|
391 v->valid = 1; |
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parents:
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diff
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|
392 v->no_cacheable = 0; |
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parents:
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diff
changeset
|
393 v->not_found = 0; |
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Stream: core module variables.
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parents:
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diff
changeset
|
394 |
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diff
changeset
|
395 v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1); |
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diff
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|
396 if (v->data == NULL) { |
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parents:
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diff
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|
397 return NGX_ERROR; |
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Stream: core module variables.
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parents:
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diff
changeset
|
398 } |
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parents:
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diff
changeset
|
399 |
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
400 port = ngx_inet_get_port(s->connection->sockaddr); |
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Stream: core module variables.
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parents:
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diff
changeset
|
401 |
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Stream: core module variables.
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parents:
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diff
changeset
|
402 if (port > 0 && port < 65536) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
403 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
404 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
405 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
406 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
407 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
408 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
409 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
410 static ngx_int_t |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
411 ngx_stream_variable_server_addr(ngx_stream_session_t *s, |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
412 ngx_stream_variable_value_t *v, uintptr_t data) |
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parents:
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diff
changeset
|
413 { |
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parents:
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diff
changeset
|
414 ngx_str_t str; |
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Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
415 u_char addr[NGX_SOCKADDR_STRLEN]; |
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Stream: core module variables.
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parents:
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diff
changeset
|
416 |
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parents:
6607
diff
changeset
|
417 str.len = NGX_SOCKADDR_STRLEN; |
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Stream: core module variables.
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parents:
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diff
changeset
|
418 str.data = addr; |
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parents:
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diff
changeset
|
419 |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
420 if (ngx_connection_local_sockaddr(s->connection, &str, 0) != NGX_OK) { |
eb4293155e87
Stream: core module variables.
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parents:
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diff
changeset
|
421 return NGX_ERROR; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
422 } |
eb4293155e87
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
423 |
eb4293155e87
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parents:
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diff
changeset
|
424 str.data = ngx_pnalloc(s->connection->pool, str.len); |
eb4293155e87
Stream: core module variables.
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parents:
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diff
changeset
|
425 if (str.data == NULL) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
426 return NGX_ERROR; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
427 } |
eb4293155e87
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parents:
6607
diff
changeset
|
428 |
eb4293155e87
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Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
429 ngx_memcpy(str.data, addr, str.len); |
eb4293155e87
Stream: core module variables.
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parents:
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diff
changeset
|
430 |
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parents:
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diff
changeset
|
431 v->len = str.len; |
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Stream: core module variables.
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parents:
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diff
changeset
|
432 v->valid = 1; |
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parents:
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diff
changeset
|
433 v->no_cacheable = 0; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
434 v->not_found = 0; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
435 v->data = str.data; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
436 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
437 return NGX_OK; |
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Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
438 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
439 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
440 |
eb4293155e87
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
441 static ngx_int_t |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
442 ngx_stream_variable_server_port(ngx_stream_session_t *s, |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
443 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
444 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
445 ngx_uint_t port; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
446 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
447 v->len = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
448 v->valid = 1; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
449 v->no_cacheable = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
450 v->not_found = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
451 |
eb4293155e87
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
452 if (ngx_connection_local_sockaddr(s->connection, NULL, 0) != NGX_OK) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
453 return NGX_ERROR; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
454 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
455 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
456 v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1); |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
457 if (v->data == NULL) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
458 return NGX_ERROR; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
459 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
460 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
461 port = ngx_inet_get_port(s->connection->local_sockaddr); |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
462 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
463 if (port > 0 && port < 65536) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
464 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
465 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
466 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
467 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
468 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
469 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
470 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
471 static ngx_int_t |
6668
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
472 ngx_stream_variable_bytes(ngx_stream_session_t *s, |
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
473 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
474 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
475 u_char *p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
476 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
477 p = ngx_pnalloc(s->connection->pool, NGX_OFF_T_LEN); |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
478 if (p == NULL) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
479 return NGX_ERROR; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
480 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
481 |
6668
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
482 if (data == 1) { |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
483 v->len = ngx_sprintf(p, "%O", s->received) - p; |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
484 |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
485 } else { |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
486 v->len = ngx_sprintf(p, "%O", s->connection->sent) - p; |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
487 } |
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
488 |
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
489 v->valid = 1; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
490 v->no_cacheable = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
491 v->not_found = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
492 v->data = p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
493 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
494 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
495 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
496 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
497 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
498 static ngx_int_t |
6669
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
499 ngx_stream_variable_session_time(ngx_stream_session_t *s, |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
500 ngx_stream_variable_value_t *v, uintptr_t data) |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
501 { |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
502 u_char *p; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
503 ngx_time_t *tp; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
504 ngx_msec_int_t ms; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
505 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
506 p = ngx_pnalloc(s->connection->pool, NGX_TIME_T_LEN + 4); |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
507 if (p == NULL) { |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
508 return NGX_ERROR; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
509 } |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
510 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
511 tp = ngx_timeofday(); |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
512 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
513 ms = (ngx_msec_int_t) |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
514 ((tp->sec - s->start_sec) * 1000 + (tp->msec - s->start_msec)); |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
515 ms = ngx_max(ms, 0); |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
516 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
517 v->len = ngx_sprintf(p, "%T.%03M", (time_t) ms / 1000, ms % 1000) - p; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
518 v->valid = 1; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
519 v->no_cacheable = 0; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
520 v->not_found = 0; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
521 v->data = p; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
522 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
523 return NGX_OK; |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
524 } |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
525 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
526 |
164a0824ce20
Stream: the $session_time variable.
Vladimir Homutov <vl@nginx.com>
parents:
6668
diff
changeset
|
527 static ngx_int_t |
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
528 ngx_stream_variable_connection(ngx_stream_session_t *s, |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
529 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
530 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
531 u_char *p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
532 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
533 p = ngx_pnalloc(s->connection->pool, NGX_ATOMIC_T_LEN); |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
534 if (p == NULL) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
535 return NGX_ERROR; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
536 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
537 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
538 v->len = ngx_sprintf(p, "%uA", s->connection->number) - p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
539 v->valid = 1; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
540 v->no_cacheable = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
541 v->not_found = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
542 v->data = p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
543 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
544 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
545 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
546 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
547 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
548 static ngx_int_t |
6607 | 549 ngx_stream_variable_nginx_version(ngx_stream_session_t *s, |
550 ngx_stream_variable_value_t *v, uintptr_t data) | |
551 { | |
552 v->len = sizeof(NGINX_VERSION) - 1; | |
553 v->valid = 1; | |
554 v->no_cacheable = 0; | |
555 v->not_found = 0; | |
556 v->data = (u_char *) NGINX_VERSION; | |
557 | |
558 return NGX_OK; | |
559 } | |
560 | |
561 | |
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
562 static ngx_int_t |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
563 ngx_stream_variable_hostname(ngx_stream_session_t *s, |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
564 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
565 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
566 v->len = ngx_cycle->hostname.len; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
567 v->valid = 1; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
568 v->no_cacheable = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
569 v->not_found = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
570 v->data = ngx_cycle->hostname.data; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
571 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
572 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
573 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
574 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
575 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
576 static ngx_int_t |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
577 ngx_stream_variable_pid(ngx_stream_session_t *s, |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
578 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
579 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
580 u_char *p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
581 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
582 p = ngx_pnalloc(s->connection->pool, NGX_INT64_LEN); |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
583 if (p == NULL) { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
584 return NGX_ERROR; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
585 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
586 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
587 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
588 v->valid = 1; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
589 v->no_cacheable = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
590 v->not_found = 0; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
591 v->data = p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
592 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
593 return NGX_OK; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
594 } |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
595 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
596 |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
597 static ngx_int_t |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
598 ngx_stream_variable_msec(ngx_stream_session_t *s, |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
599 ngx_stream_variable_value_t *v, uintptr_t data) |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
600 { |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
601 u_char *p; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
602 ngx_time_t *tp; |
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
603 |
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|
604 p = ngx_pnalloc(s->connection->pool, NGX_TIME_T_LEN + 4); |
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|
605 if (p == NULL) { |
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|
606 return NGX_ERROR; |
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|
607 } |
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|
608 |
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|
609 tp = ngx_timeofday(); |
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|
610 |
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|
611 v->len = ngx_sprintf(p, "%T.%03M", tp->sec, tp->msec) - p; |
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612 v->valid = 1; |
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|
613 v->no_cacheable = 0; |
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|
614 v->not_found = 0; |
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|
615 v->data = p; |
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|
616 |
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617 return NGX_OK; |
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|
618 } |
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619 |
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620 |
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|
621 static ngx_int_t |
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622 ngx_stream_variable_time_iso8601(ngx_stream_session_t *s, |
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623 ngx_stream_variable_value_t *v, uintptr_t data) |
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|
624 { |
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|
625 u_char *p; |
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|
626 |
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|
627 p = ngx_pnalloc(s->connection->pool, ngx_cached_http_log_iso8601.len); |
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|
628 if (p == NULL) { |
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|
629 return NGX_ERROR; |
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|
630 } |
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|
631 |
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|
632 ngx_memcpy(p, ngx_cached_http_log_iso8601.data, |
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633 ngx_cached_http_log_iso8601.len); |
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|
634 |
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|
635 v->len = ngx_cached_http_log_iso8601.len; |
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|
636 v->valid = 1; |
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|
637 v->no_cacheable = 0; |
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|
638 v->not_found = 0; |
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|
639 v->data = p; |
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|
640 |
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|
641 return NGX_OK; |
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|
642 } |
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|
643 |
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|
644 |
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|
645 static ngx_int_t |
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646 ngx_stream_variable_time_local(ngx_stream_session_t *s, |
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647 ngx_stream_variable_value_t *v, uintptr_t data) |
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648 { |
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649 u_char *p; |
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|
650 |
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651 p = ngx_pnalloc(s->connection->pool, ngx_cached_http_log_time.len); |
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652 if (p == NULL) { |
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|
653 return NGX_ERROR; |
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|
654 } |
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655 |
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656 ngx_memcpy(p, ngx_cached_http_log_time.data, ngx_cached_http_log_time.len); |
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657 |
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658 v->len = ngx_cached_http_log_time.len; |
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659 v->valid = 1; |
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660 v->no_cacheable = 0; |
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661 v->not_found = 0; |
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662 v->data = p; |
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|
663 |
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|
664 return NGX_OK; |
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|
665 } |
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666 |
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667 |
6607 | 668 void * |
669 ngx_stream_map_find(ngx_stream_session_t *s, ngx_stream_map_t *map, | |
670 ngx_str_t *match) | |
671 { | |
672 void *value; | |
673 u_char *low; | |
674 size_t len; | |
675 ngx_uint_t key; | |
676 | |
677 len = match->len; | |
678 | |
679 if (len) { | |
680 low = ngx_pnalloc(s->connection->pool, len); | |
681 if (low == NULL) { | |
682 return NULL; | |
683 } | |
684 | |
685 } else { | |
686 low = NULL; | |
687 } | |
688 | |
689 key = ngx_hash_strlow(low, match->data, len); | |
690 | |
691 value = ngx_hash_find_combined(&map->hash, key, low, len); | |
692 if (value) { | |
693 return value; | |
694 } | |
695 | |
696 #if (NGX_PCRE) | |
697 | |
698 if (len && map->nregex) { | |
699 ngx_int_t n; | |
700 ngx_uint_t i; | |
701 ngx_stream_map_regex_t *reg; | |
702 | |
703 reg = map->regex; | |
704 | |
705 for (i = 0; i < map->nregex; i++) { | |
706 | |
707 n = ngx_stream_regex_exec(s, reg[i].regex, match); | |
708 | |
709 if (n == NGX_OK) { | |
710 return reg[i].value; | |
711 } | |
712 | |
713 if (n == NGX_DECLINED) { | |
714 continue; | |
715 } | |
716 | |
717 /* NGX_ERROR */ | |
718 | |
719 return NULL; | |
720 } | |
721 } | |
722 | |
723 #endif | |
724 | |
725 return NULL; | |
726 } | |
727 | |
728 | |
729 #if (NGX_PCRE) | |
730 | |
731 static ngx_int_t | |
732 ngx_stream_variable_not_found(ngx_stream_session_t *s, | |
733 ngx_stream_variable_value_t *v, uintptr_t data) | |
734 { | |
735 v->not_found = 1; | |
736 return NGX_OK; | |
737 } | |
738 | |
739 | |
740 ngx_stream_regex_t * | |
741 ngx_stream_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
742 { | |
743 u_char *p; | |
744 size_t size; | |
745 ngx_str_t name; | |
746 ngx_uint_t i, n; | |
747 ngx_stream_variable_t *v; | |
748 ngx_stream_regex_t *re; | |
749 ngx_stream_regex_variable_t *rv; | |
750 ngx_stream_core_main_conf_t *cmcf; | |
751 | |
752 rc->pool = cf->pool; | |
753 | |
754 if (ngx_regex_compile(rc) != NGX_OK) { | |
755 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
756 return NULL; | |
757 } | |
758 | |
759 re = ngx_pcalloc(cf->pool, sizeof(ngx_stream_regex_t)); | |
760 if (re == NULL) { | |
761 return NULL; | |
762 } | |
763 | |
764 re->regex = rc->regex; | |
765 re->ncaptures = rc->captures; | |
766 re->name = rc->pattern; | |
767 | |
768 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
769 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
770 | |
771 n = (ngx_uint_t) rc->named_captures; | |
772 | |
773 if (n == 0) { | |
774 return re; | |
775 } | |
776 | |
777 rv = ngx_palloc(rc->pool, n * sizeof(ngx_stream_regex_variable_t)); | |
778 if (rv == NULL) { | |
779 return NULL; | |
780 } | |
781 | |
782 re->variables = rv; | |
783 re->nvariables = n; | |
784 | |
785 size = rc->name_size; | |
786 p = rc->names; | |
787 | |
788 for (i = 0; i < n; i++) { | |
789 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
790 | |
791 name.data = &p[2]; | |
792 name.len = ngx_strlen(name.data); | |
793 | |
794 v = ngx_stream_add_variable(cf, &name, NGX_STREAM_VAR_CHANGEABLE); | |
795 if (v == NULL) { | |
796 return NULL; | |
797 } | |
798 | |
799 rv[i].index = ngx_stream_get_variable_index(cf, &name); | |
800 if (rv[i].index == NGX_ERROR) { | |
801 return NULL; | |
802 } | |
803 | |
804 v->get_handler = ngx_stream_variable_not_found; | |
805 | |
806 p += size; | |
807 } | |
808 | |
809 return re; | |
810 } | |
811 | |
812 | |
813 ngx_int_t | |
814 ngx_stream_regex_exec(ngx_stream_session_t *s, ngx_stream_regex_t *re, | |
815 ngx_str_t *str) | |
816 { | |
817 ngx_int_t rc, index; | |
818 ngx_uint_t i, n, len; | |
819 ngx_stream_variable_value_t *vv; | |
820 ngx_stream_core_main_conf_t *cmcf; | |
821 | |
822 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
823 | |
824 if (re->ncaptures) { | |
825 len = cmcf->ncaptures; | |
826 | |
827 if (s->captures == NULL) { | |
828 s->captures = ngx_palloc(s->connection->pool, len * sizeof(int)); | |
829 if (s->captures == NULL) { | |
830 return NGX_ERROR; | |
831 } | |
832 } | |
833 | |
834 } else { | |
835 len = 0; | |
836 } | |
837 | |
838 rc = ngx_regex_exec(re->regex, str, s->captures, len); | |
839 | |
840 if (rc == NGX_REGEX_NO_MATCHED) { | |
841 return NGX_DECLINED; | |
842 } | |
843 | |
844 if (rc < 0) { | |
845 ngx_log_error(NGX_LOG_ALERT, s->connection->log, 0, | |
846 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
847 rc, str, &re->name); | |
848 return NGX_ERROR; | |
849 } | |
850 | |
851 for (i = 0; i < re->nvariables; i++) { | |
852 | |
853 n = re->variables[i].capture; | |
854 index = re->variables[i].index; | |
855 vv = &s->variables[index]; | |
856 | |
857 vv->len = s->captures[n + 1] - s->captures[n]; | |
858 vv->valid = 1; | |
859 vv->no_cacheable = 0; | |
860 vv->not_found = 0; | |
861 vv->data = &str->data[s->captures[n]]; | |
862 | |
863 #if (NGX_DEBUG) | |
864 { | |
865 ngx_stream_variable_t *v; | |
866 | |
867 v = cmcf->variables.elts; | |
868 | |
869 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
870 "stream regex set $%V to \"%v\"", &v[index].name, vv); | |
871 } | |
872 #endif | |
873 } | |
874 | |
875 s->ncaptures = rc * 2; | |
876 s->captures_data = str->data; | |
877 | |
878 return NGX_OK; | |
879 } | |
880 | |
881 #endif | |
882 | |
883 | |
884 ngx_int_t | |
885 ngx_stream_variables_add_core_vars(ngx_conf_t *cf) | |
886 { | |
887 ngx_int_t rc; | |
888 ngx_stream_variable_t *cv, *v; | |
889 ngx_stream_core_main_conf_t *cmcf; | |
890 | |
891 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
892 | |
893 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, | |
894 sizeof(ngx_hash_keys_arrays_t)); | |
895 if (cmcf->variables_keys == NULL) { | |
896 return NGX_ERROR; | |
897 } | |
898 | |
899 cmcf->variables_keys->pool = cf->pool; | |
900 cmcf->variables_keys->temp_pool = cf->pool; | |
901 | |
902 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
903 != NGX_OK) | |
904 { | |
905 return NGX_ERROR; | |
906 } | |
907 | |
908 for (cv = ngx_stream_core_variables; cv->name.len; cv++) { | |
909 v = ngx_palloc(cf->pool, sizeof(ngx_stream_variable_t)); | |
910 if (v == NULL) { | |
911 return NGX_ERROR; | |
912 } | |
913 | |
914 *v = *cv; | |
915 | |
916 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
917 NGX_HASH_READONLY_KEY); | |
918 | |
919 if (rc == NGX_OK) { | |
920 continue; | |
921 } | |
922 | |
923 if (rc == NGX_BUSY) { | |
924 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
925 "conflicting variable name \"%V\"", &v->name); | |
926 } | |
927 | |
928 return NGX_ERROR; | |
929 } | |
930 | |
931 return NGX_OK; | |
932 } | |
933 | |
934 | |
935 ngx_int_t | |
936 ngx_stream_variables_init_vars(ngx_conf_t *cf) | |
937 { | |
938 ngx_uint_t i, n; | |
939 ngx_hash_key_t *key; | |
940 ngx_hash_init_t hash; | |
941 ngx_stream_variable_t *v, *av; | |
942 ngx_stream_core_main_conf_t *cmcf; | |
943 | |
944 /* set the handlers for the indexed stream variables */ | |
945 | |
946 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
947 | |
948 v = cmcf->variables.elts; | |
949 key = cmcf->variables_keys->keys.elts; | |
950 | |
951 for (i = 0; i < cmcf->variables.nelts; i++) { | |
952 | |
953 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { | |
954 | |
955 av = key[n].value; | |
956 | |
957 if (v[i].name.len == key[n].key.len | |
958 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) | |
959 == 0) | |
960 { | |
961 v[i].get_handler = av->get_handler; | |
962 v[i].data = av->data; | |
963 | |
964 av->flags |= NGX_STREAM_VAR_INDEXED; | |
965 v[i].flags = av->flags; | |
966 | |
967 av->index = i; | |
968 | |
969 if (av->get_handler == NULL) { | |
970 break; | |
971 } | |
972 | |
973 goto next; | |
974 } | |
975 } | |
976 | |
977 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
978 "unknown \"%V\" variable", &v[i].name); | |
979 | |
980 return NGX_ERROR; | |
981 | |
982 next: | |
983 continue; | |
984 } | |
985 | |
986 | |
987 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { | |
988 av = key[n].value; | |
989 | |
990 if (av->flags & NGX_STREAM_VAR_NOHASH) { | |
991 key[n].key.data = NULL; | |
992 } | |
993 } | |
994 | |
995 | |
996 hash.hash = &cmcf->variables_hash; | |
997 hash.key = ngx_hash_key; | |
998 hash.max_size = cmcf->variables_hash_max_size; | |
999 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
1000 hash.name = "variables_hash"; | |
1001 hash.pool = cf->pool; | |
1002 hash.temp_pool = NULL; | |
1003 | |
1004 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, | |
1005 cmcf->variables_keys->keys.nelts) | |
1006 != NGX_OK) | |
1007 { | |
1008 return NGX_ERROR; | |
1009 } | |
1010 | |
1011 cmcf->variables_keys = NULL; | |
1012 | |
1013 return NGX_OK; | |
1014 } |