Mercurial > hg > nginx
annotate src/stream/ngx_stream_variables.c @ 6668:5e2821c2de46
Stream: the $bytes_received variable.
The variable keeps the number of bytes received from the client.
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Fri, 26 Aug 2016 15:33:02 +0300 |
| parents | eb4293155e87 |
| children | 164a0824ce20 |
| 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_connection(ngx_stream_session_t *s, |
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27 ngx_stream_variable_value_t *v, uintptr_t data); |
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28 |
| 6607 | 29 static ngx_int_t ngx_stream_variable_nginx_version(ngx_stream_session_t *s, |
| 30 ngx_stream_variable_value_t *v, uintptr_t data); | |
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31 static ngx_int_t ngx_stream_variable_hostname(ngx_stream_session_t *s, |
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32 ngx_stream_variable_value_t *v, uintptr_t data); |
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33 static ngx_int_t ngx_stream_variable_pid(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_msec(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_time_iso8601(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_local(ngx_stream_session_t *s, |
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40 ngx_stream_variable_value_t *v, uintptr_t data); |
| 6607 | 41 |
| 42 | |
| 43 static ngx_stream_variable_t ngx_stream_core_variables[] = { | |
| 44 | |
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45 { ngx_string("binary_remote_addr"), NULL, |
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46 ngx_stream_variable_binary_remote_addr, 0, 0, 0 }, |
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47 |
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48 { ngx_string("remote_addr"), NULL, |
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49 ngx_stream_variable_remote_addr, 0, 0, 0 }, |
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50 |
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51 { ngx_string("remote_port"), NULL, |
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52 ngx_stream_variable_remote_port, 0, 0, 0 }, |
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parents:
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53 |
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54 { ngx_string("server_addr"), NULL, |
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55 ngx_stream_variable_server_addr, 0, 0, 0 }, |
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eb4293155e87
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parents:
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56 |
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57 { ngx_string("server_port"), NULL, |
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58 ngx_stream_variable_server_port, 0, 0, 0 }, |
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59 |
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60 { ngx_string("bytes_sent"), NULL, ngx_stream_variable_bytes, |
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61 0, 0, 0 }, |
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62 |
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63 { ngx_string("bytes_received"), NULL, ngx_stream_variable_bytes, |
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64 1, 0, 0 }, |
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65 |
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66 { ngx_string("connection"), NULL, |
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67 ngx_stream_variable_connection, 0, 0, 0 }, |
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68 |
| 6607 | 69 { ngx_string("nginx_version"), NULL, ngx_stream_variable_nginx_version, |
| 70 0, 0, 0 }, | |
| 71 | |
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72 { ngx_string("hostname"), NULL, ngx_stream_variable_hostname, |
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73 0, 0, 0 }, |
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74 |
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75 { ngx_string("pid"), NULL, ngx_stream_variable_pid, |
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76 0, 0, 0 }, |
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77 |
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78 { ngx_string("msec"), NULL, ngx_stream_variable_msec, |
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79 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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80 |
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81 { ngx_string("time_iso8601"), NULL, ngx_stream_variable_time_iso8601, |
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82 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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83 |
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84 { ngx_string("time_local"), NULL, ngx_stream_variable_time_local, |
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85 0, NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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86 |
| 6607 | 87 { ngx_null_string, NULL, NULL, 0, 0, 0 } |
| 88 }; | |
| 89 | |
| 90 | |
| 91 ngx_stream_variable_value_t ngx_stream_variable_null_value = | |
| 92 ngx_stream_variable(""); | |
| 93 ngx_stream_variable_value_t ngx_stream_variable_true_value = | |
| 94 ngx_stream_variable("1"); | |
| 95 | |
| 96 | |
| 97 ngx_stream_variable_t * | |
| 98 ngx_stream_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) | |
| 99 { | |
| 100 ngx_int_t rc; | |
| 101 ngx_uint_t i; | |
| 102 ngx_hash_key_t *key; | |
| 103 ngx_stream_variable_t *v; | |
| 104 ngx_stream_core_main_conf_t *cmcf; | |
| 105 | |
| 106 if (name->len == 0) { | |
| 107 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 108 "invalid variable name \"$\""); | |
| 109 return NULL; | |
| 110 } | |
| 111 | |
| 112 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| 113 | |
| 114 key = cmcf->variables_keys->keys.elts; | |
| 115 for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { | |
| 116 if (name->len != key[i].key.len | |
| 117 || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) | |
| 118 { | |
| 119 continue; | |
| 120 } | |
| 121 | |
| 122 v = key[i].value; | |
| 123 | |
| 124 if (!(v->flags & NGX_STREAM_VAR_CHANGEABLE)) { | |
| 125 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 126 "the duplicate \"%V\" variable", name); | |
| 127 return NULL; | |
| 128 } | |
| 129 | |
| 130 return v; | |
| 131 } | |
| 132 | |
| 133 v = ngx_palloc(cf->pool, sizeof(ngx_stream_variable_t)); | |
| 134 if (v == NULL) { | |
| 135 return NULL; | |
| 136 } | |
| 137 | |
| 138 v->name.len = name->len; | |
| 139 v->name.data = ngx_pnalloc(cf->pool, name->len); | |
| 140 if (v->name.data == NULL) { | |
| 141 return NULL; | |
| 142 } | |
| 143 | |
| 144 ngx_strlow(v->name.data, name->data, name->len); | |
| 145 | |
| 146 v->set_handler = NULL; | |
| 147 v->get_handler = NULL; | |
| 148 v->data = 0; | |
| 149 v->flags = flags; | |
| 150 v->index = 0; | |
| 151 | |
| 152 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); | |
| 153 | |
| 154 if (rc == NGX_ERROR) { | |
| 155 return NULL; | |
| 156 } | |
| 157 | |
| 158 if (rc == NGX_BUSY) { | |
| 159 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 160 "conflicting variable name \"%V\"", name); | |
| 161 return NULL; | |
| 162 } | |
| 163 | |
| 164 return v; | |
| 165 } | |
| 166 | |
| 167 | |
| 168 ngx_int_t | |
| 169 ngx_stream_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) | |
| 170 { | |
| 171 ngx_uint_t i; | |
| 172 ngx_stream_variable_t *v; | |
| 173 ngx_stream_core_main_conf_t *cmcf; | |
| 174 | |
| 175 if (name->len == 0) { | |
| 176 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 177 "invalid variable name \"$\""); | |
| 178 return NGX_ERROR; | |
| 179 } | |
| 180 | |
| 181 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| 182 | |
| 183 v = cmcf->variables.elts; | |
| 184 | |
| 185 if (v == NULL) { | |
| 186 if (ngx_array_init(&cmcf->variables, cf->pool, 4, | |
| 187 sizeof(ngx_stream_variable_t)) | |
| 188 != NGX_OK) | |
| 189 { | |
| 190 return NGX_ERROR; | |
| 191 } | |
| 192 | |
| 193 } else { | |
| 194 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 195 if (name->len != v[i].name.len | |
| 196 || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) | |
| 197 { | |
| 198 continue; | |
| 199 } | |
| 200 | |
| 201 return i; | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 v = ngx_array_push(&cmcf->variables); | |
| 206 if (v == NULL) { | |
| 207 return NGX_ERROR; | |
| 208 } | |
| 209 | |
| 210 v->name.len = name->len; | |
| 211 v->name.data = ngx_pnalloc(cf->pool, name->len); | |
| 212 if (v->name.data == NULL) { | |
| 213 return NGX_ERROR; | |
| 214 } | |
| 215 | |
| 216 ngx_strlow(v->name.data, name->data, name->len); | |
| 217 | |
| 218 v->set_handler = NULL; | |
| 219 v->get_handler = NULL; | |
| 220 v->data = 0; | |
| 221 v->flags = 0; | |
| 222 v->index = cmcf->variables.nelts - 1; | |
| 223 | |
| 224 return v->index; | |
| 225 } | |
| 226 | |
| 227 | |
| 228 ngx_stream_variable_value_t * | |
| 229 ngx_stream_get_indexed_variable(ngx_stream_session_t *s, ngx_uint_t index) | |
| 230 { | |
| 231 ngx_stream_variable_t *v; | |
| 232 ngx_stream_core_main_conf_t *cmcf; | |
| 233 | |
| 234 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
| 235 | |
| 236 if (cmcf->variables.nelts <= index) { | |
| 237 ngx_log_error(NGX_LOG_ALERT, s->connection->log, 0, | |
| 238 "unknown variable index: %ui", index); | |
| 239 return NULL; | |
| 240 } | |
| 241 | |
| 242 if (s->variables[index].not_found || s->variables[index].valid) { | |
| 243 return &s->variables[index]; | |
| 244 } | |
| 245 | |
| 246 v = cmcf->variables.elts; | |
| 247 | |
| 248 if (v[index].get_handler(s, &s->variables[index], v[index].data) | |
| 249 == NGX_OK) | |
| 250 { | |
| 251 if (v[index].flags & NGX_STREAM_VAR_NOCACHEABLE) { | |
| 252 s->variables[index].no_cacheable = 1; | |
| 253 } | |
| 254 | |
| 255 return &s->variables[index]; | |
| 256 } | |
| 257 | |
| 258 s->variables[index].valid = 0; | |
| 259 s->variables[index].not_found = 1; | |
| 260 | |
| 261 return NULL; | |
| 262 } | |
| 263 | |
| 264 | |
| 265 ngx_stream_variable_value_t * | |
| 266 ngx_stream_get_flushed_variable(ngx_stream_session_t *s, ngx_uint_t index) | |
| 267 { | |
| 268 ngx_stream_variable_value_t *v; | |
| 269 | |
| 270 v = &s->variables[index]; | |
| 271 | |
| 272 if (v->valid || v->not_found) { | |
| 273 if (!v->no_cacheable) { | |
| 274 return v; | |
| 275 } | |
| 276 | |
| 277 v->valid = 0; | |
| 278 v->not_found = 0; | |
| 279 } | |
| 280 | |
| 281 return ngx_stream_get_indexed_variable(s, index); | |
| 282 } | |
| 283 | |
| 284 | |
| 285 ngx_stream_variable_value_t * | |
| 286 ngx_stream_get_variable(ngx_stream_session_t *s, ngx_str_t *name, | |
| 287 ngx_uint_t key) | |
| 288 { | |
| 289 ngx_stream_variable_t *v; | |
| 290 ngx_stream_variable_value_t *vv; | |
| 291 ngx_stream_core_main_conf_t *cmcf; | |
| 292 | |
| 293 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
| 294 | |
| 295 v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); | |
| 296 | |
| 297 if (v) { | |
| 298 if (v->flags & NGX_STREAM_VAR_INDEXED) { | |
| 299 return ngx_stream_get_flushed_variable(s, v->index); | |
| 300 | |
| 301 } else { | |
| 302 | |
| 303 vv = ngx_palloc(s->connection->pool, | |
| 304 sizeof(ngx_stream_variable_value_t)); | |
| 305 | |
| 306 if (vv && v->get_handler(s, vv, v->data) == NGX_OK) { | |
| 307 return vv; | |
| 308 } | |
| 309 | |
| 310 return NULL; | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 vv = ngx_palloc(s->connection->pool, sizeof(ngx_stream_variable_value_t)); | |
| 315 if (vv == NULL) { | |
| 316 return NULL; | |
| 317 } | |
| 318 | |
| 319 vv->not_found = 1; | |
| 320 | |
| 321 return vv; | |
| 322 } | |
| 323 | |
| 324 | |
| 325 static ngx_int_t | |
|
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326 ngx_stream_variable_binary_remote_addr(ngx_stream_session_t *s, |
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327 ngx_stream_variable_value_t *v, uintptr_t data) |
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328 { |
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329 struct sockaddr_in *sin; |
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330 #if (NGX_HAVE_INET6) |
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331 struct sockaddr_in6 *sin6; |
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332 #endif |
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333 |
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334 switch (s->connection->sockaddr->sa_family) { |
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335 |
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336 #if (NGX_HAVE_INET6) |
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337 case AF_INET6: |
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338 sin6 = (struct sockaddr_in6 *) s->connection->sockaddr; |
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339 |
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340 v->len = sizeof(struct in6_addr); |
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341 v->valid = 1; |
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342 v->no_cacheable = 0; |
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343 v->not_found = 0; |
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344 v->data = sin6->sin6_addr.s6_addr; |
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345 |
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346 break; |
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347 #endif |
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348 |
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349 default: /* AF_INET */ |
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350 sin = (struct sockaddr_in *) s->connection->sockaddr; |
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351 |
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352 v->len = sizeof(in_addr_t); |
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353 v->valid = 1; |
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354 v->no_cacheable = 0; |
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355 v->not_found = 0; |
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356 v->data = (u_char *) &sin->sin_addr; |
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357 |
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358 break; |
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|
359 } |
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360 |
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361 return NGX_OK; |
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|
362 } |
|
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|
363 |
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364 |
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|
365 static ngx_int_t |
|
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|
366 ngx_stream_variable_remote_addr(ngx_stream_session_t *s, |
|
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|
367 ngx_stream_variable_value_t *v, uintptr_t data) |
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368 { |
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369 v->len = s->connection->addr_text.len; |
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370 v->valid = 1; |
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371 v->no_cacheable = 0; |
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372 v->not_found = 0; |
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373 v->data = s->connection->addr_text.data; |
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|
374 |
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|
375 return NGX_OK; |
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|
376 } |
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377 |
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378 |
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|
379 static ngx_int_t |
|
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|
380 ngx_stream_variable_remote_port(ngx_stream_session_t *s, |
|
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381 ngx_stream_variable_value_t *v, uintptr_t data) |
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|
382 { |
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|
383 ngx_uint_t port; |
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384 |
|
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385 v->len = 0; |
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|
386 v->valid = 1; |
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|
387 v->no_cacheable = 0; |
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388 v->not_found = 0; |
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389 |
|
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390 v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1); |
|
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391 if (v->data == NULL) { |
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|
392 return NGX_ERROR; |
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|
393 } |
|
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|
394 |
|
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|
395 port = ngx_inet_get_port(s->connection->sockaddr); |
|
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|
396 |
|
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|
397 if (port > 0 && port < 65536) { |
|
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|
398 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
|
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|
399 } |
|
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|
400 |
|
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|
401 return NGX_OK; |
|
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|
402 } |
|
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|
403 |
|
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|
404 |
|
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|
405 static ngx_int_t |
|
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|
406 ngx_stream_variable_server_addr(ngx_stream_session_t *s, |
|
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|
407 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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|
408 { |
|
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|
409 ngx_str_t str; |
|
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|
410 u_char addr[NGX_SOCKADDR_STRLEN]; |
|
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|
411 |
|
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|
412 str.len = NGX_SOCKADDR_STRLEN; |
|
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|
413 str.data = addr; |
|
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|
414 |
|
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|
415 if (ngx_connection_local_sockaddr(s->connection, &str, 0) != NGX_OK) { |
|
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|
416 return NGX_ERROR; |
|
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|
417 } |
|
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|
418 |
|
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|
419 str.data = ngx_pnalloc(s->connection->pool, str.len); |
|
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|
420 if (str.data == NULL) { |
|
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|
421 return NGX_ERROR; |
|
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|
422 } |
|
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|
423 |
|
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|
424 ngx_memcpy(str.data, addr, str.len); |
|
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|
425 |
|
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|
426 v->len = str.len; |
|
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|
427 v->valid = 1; |
|
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|
428 v->no_cacheable = 0; |
|
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|
429 v->not_found = 0; |
|
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|
430 v->data = str.data; |
|
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|
431 |
|
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|
432 return NGX_OK; |
|
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parents:
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|
433 } |
|
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|
434 |
|
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parents:
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|
435 |
|
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parents:
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changeset
|
436 static ngx_int_t |
|
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changeset
|
437 ngx_stream_variable_server_port(ngx_stream_session_t *s, |
|
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|
438 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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parents:
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|
439 { |
|
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|
440 ngx_uint_t port; |
|
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|
441 |
|
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|
442 v->len = 0; |
|
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parents:
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|
443 v->valid = 1; |
|
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parents:
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diff
changeset
|
444 v->no_cacheable = 0; |
|
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Stream: core module variables.
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diff
changeset
|
445 v->not_found = 0; |
|
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Stream: core module variables.
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changeset
|
446 |
|
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changeset
|
447 if (ngx_connection_local_sockaddr(s->connection, NULL, 0) != NGX_OK) { |
|
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Stream: core module variables.
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diff
changeset
|
448 return NGX_ERROR; |
|
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Stream: core module variables.
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parents:
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diff
changeset
|
449 } |
|
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diff
changeset
|
450 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
451 v->data = ngx_pnalloc(s->connection->pool, sizeof("65535") - 1); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
452 if (v->data == NULL) { |
|
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 port = ngx_inet_get_port(s->connection->local_sockaddr); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
457 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
458 if (port > 0 && port < 65536) { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
459 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
|
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 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
462 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
463 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
464 |
|
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 static ngx_int_t |
|
6668
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
467 ngx_stream_variable_bytes(ngx_stream_session_t *s, |
|
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
468 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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 u_char *p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
471 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
472 p = ngx_pnalloc(s->connection->pool, NGX_OFF_T_LEN); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
473 if (p == NULL) { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
474 return NGX_ERROR; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
475 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
476 |
|
6668
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
477 if (data == 1) { |
|
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
478 v->len = ngx_sprintf(p, "%O", s->received) - p; |
|
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
479 |
|
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
480 } else { |
|
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
481 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
|
482 } |
|
5e2821c2de46
Stream: the $bytes_received variable.
Vladimir Homutov <vl@nginx.com>
parents:
6608
diff
changeset
|
483 |
|
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
484 v->valid = 1; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
485 v->no_cacheable = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
486 v->not_found = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
487 v->data = p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
488 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
489 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
490 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
491 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
492 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
493 static ngx_int_t |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
494 ngx_stream_variable_connection(ngx_stream_session_t *s, |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
495 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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 u_char *p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
498 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
499 p = ngx_pnalloc(s->connection->pool, NGX_ATOMIC_T_LEN); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
500 if (p == NULL) { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
501 return NGX_ERROR; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
502 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
503 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
504 v->len = ngx_sprintf(p, "%uA", s->connection->number) - p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
505 v->valid = 1; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
506 v->no_cacheable = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
507 v->not_found = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
508 v->data = p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
509 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
510 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
511 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
512 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
513 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
514 static ngx_int_t |
| 6607 | 515 ngx_stream_variable_nginx_version(ngx_stream_session_t *s, |
| 516 ngx_stream_variable_value_t *v, uintptr_t data) | |
| 517 { | |
| 518 v->len = sizeof(NGINX_VERSION) - 1; | |
| 519 v->valid = 1; | |
| 520 v->no_cacheable = 0; | |
| 521 v->not_found = 0; | |
| 522 v->data = (u_char *) NGINX_VERSION; | |
| 523 | |
| 524 return NGX_OK; | |
| 525 } | |
| 526 | |
| 527 | |
|
6608
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
528 static ngx_int_t |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
529 ngx_stream_variable_hostname(ngx_stream_session_t *s, |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
530 ngx_stream_variable_value_t *v, uintptr_t data) |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
531 { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
532 v->len = ngx_cycle->hostname.len; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
533 v->valid = 1; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
534 v->no_cacheable = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
535 v->not_found = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
536 v->data = ngx_cycle->hostname.data; |
|
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 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
539 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
540 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
541 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
542 static ngx_int_t |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
543 ngx_stream_variable_pid(ngx_stream_session_t *s, |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
544 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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 u_char *p; |
|
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 p = ngx_pnalloc(s->connection->pool, NGX_INT64_LEN); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
549 if (p == NULL) { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
550 return NGX_ERROR; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
551 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
552 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
553 v->len = ngx_sprintf(p, "%P", ngx_pid) - p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
554 v->valid = 1; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
555 v->no_cacheable = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
556 v->not_found = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
557 v->data = p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
558 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
559 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
560 } |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
561 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
562 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
563 static ngx_int_t |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
564 ngx_stream_variable_msec(ngx_stream_session_t *s, |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
565 ngx_stream_variable_value_t *v, uintptr_t data) |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
566 { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
567 u_char *p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
568 ngx_time_t *tp; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
569 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
570 p = ngx_pnalloc(s->connection->pool, NGX_TIME_T_LEN + 4); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
571 if (p == NULL) { |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
572 return NGX_ERROR; |
|
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 tp = ngx_timeofday(); |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
576 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
577 v->len = ngx_sprintf(p, "%T.%03M", tp->sec, tp->msec) - p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
578 v->valid = 1; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
579 v->no_cacheable = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
580 v->not_found = 0; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
581 v->data = p; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
582 |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
583 return NGX_OK; |
|
eb4293155e87
Stream: core module variables.
Vladimir Homutov <vl@nginx.com>
parents:
6607
diff
changeset
|
584 } |
|
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
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587 static ngx_int_t |
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588 ngx_stream_variable_time_iso8601(ngx_stream_session_t *s, |
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589 ngx_stream_variable_value_t *v, uintptr_t data) |
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590 { |
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591 u_char *p; |
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592 |
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593 p = ngx_pnalloc(s->connection->pool, ngx_cached_http_log_iso8601.len); |
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594 if (p == NULL) { |
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595 return NGX_ERROR; |
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596 } |
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597 |
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598 ngx_memcpy(p, ngx_cached_http_log_iso8601.data, |
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599 ngx_cached_http_log_iso8601.len); |
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600 |
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601 v->len = ngx_cached_http_log_iso8601.len; |
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602 v->valid = 1; |
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603 v->no_cacheable = 0; |
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604 v->not_found = 0; |
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605 v->data = p; |
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606 |
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607 return NGX_OK; |
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608 } |
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609 |
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610 |
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611 static ngx_int_t |
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612 ngx_stream_variable_time_local(ngx_stream_session_t *s, |
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613 ngx_stream_variable_value_t *v, uintptr_t data) |
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614 { |
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615 u_char *p; |
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616 |
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617 p = ngx_pnalloc(s->connection->pool, ngx_cached_http_log_time.len); |
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618 if (p == NULL) { |
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619 return NGX_ERROR; |
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620 } |
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621 |
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622 ngx_memcpy(p, ngx_cached_http_log_time.data, ngx_cached_http_log_time.len); |
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623 |
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624 v->len = ngx_cached_http_log_time.len; |
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625 v->valid = 1; |
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626 v->no_cacheable = 0; |
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627 v->not_found = 0; |
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628 v->data = p; |
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629 |
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630 return NGX_OK; |
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631 } |
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632 |
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633 |
| 6607 | 634 void * |
| 635 ngx_stream_map_find(ngx_stream_session_t *s, ngx_stream_map_t *map, | |
| 636 ngx_str_t *match) | |
| 637 { | |
| 638 void *value; | |
| 639 u_char *low; | |
| 640 size_t len; | |
| 641 ngx_uint_t key; | |
| 642 | |
| 643 len = match->len; | |
| 644 | |
| 645 if (len) { | |
| 646 low = ngx_pnalloc(s->connection->pool, len); | |
| 647 if (low == NULL) { | |
| 648 return NULL; | |
| 649 } | |
| 650 | |
| 651 } else { | |
| 652 low = NULL; | |
| 653 } | |
| 654 | |
| 655 key = ngx_hash_strlow(low, match->data, len); | |
| 656 | |
| 657 value = ngx_hash_find_combined(&map->hash, key, low, len); | |
| 658 if (value) { | |
| 659 return value; | |
| 660 } | |
| 661 | |
| 662 #if (NGX_PCRE) | |
| 663 | |
| 664 if (len && map->nregex) { | |
| 665 ngx_int_t n; | |
| 666 ngx_uint_t i; | |
| 667 ngx_stream_map_regex_t *reg; | |
| 668 | |
| 669 reg = map->regex; | |
| 670 | |
| 671 for (i = 0; i < map->nregex; i++) { | |
| 672 | |
| 673 n = ngx_stream_regex_exec(s, reg[i].regex, match); | |
| 674 | |
| 675 if (n == NGX_OK) { | |
| 676 return reg[i].value; | |
| 677 } | |
| 678 | |
| 679 if (n == NGX_DECLINED) { | |
| 680 continue; | |
| 681 } | |
| 682 | |
| 683 /* NGX_ERROR */ | |
| 684 | |
| 685 return NULL; | |
| 686 } | |
| 687 } | |
| 688 | |
| 689 #endif | |
| 690 | |
| 691 return NULL; | |
| 692 } | |
| 693 | |
| 694 | |
| 695 #if (NGX_PCRE) | |
| 696 | |
| 697 static ngx_int_t | |
| 698 ngx_stream_variable_not_found(ngx_stream_session_t *s, | |
| 699 ngx_stream_variable_value_t *v, uintptr_t data) | |
| 700 { | |
| 701 v->not_found = 1; | |
| 702 return NGX_OK; | |
| 703 } | |
| 704 | |
| 705 | |
| 706 ngx_stream_regex_t * | |
| 707 ngx_stream_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) | |
| 708 { | |
| 709 u_char *p; | |
| 710 size_t size; | |
| 711 ngx_str_t name; | |
| 712 ngx_uint_t i, n; | |
| 713 ngx_stream_variable_t *v; | |
| 714 ngx_stream_regex_t *re; | |
| 715 ngx_stream_regex_variable_t *rv; | |
| 716 ngx_stream_core_main_conf_t *cmcf; | |
| 717 | |
| 718 rc->pool = cf->pool; | |
| 719 | |
| 720 if (ngx_regex_compile(rc) != NGX_OK) { | |
| 721 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); | |
| 722 return NULL; | |
| 723 } | |
| 724 | |
| 725 re = ngx_pcalloc(cf->pool, sizeof(ngx_stream_regex_t)); | |
| 726 if (re == NULL) { | |
| 727 return NULL; | |
| 728 } | |
| 729 | |
| 730 re->regex = rc->regex; | |
| 731 re->ncaptures = rc->captures; | |
| 732 re->name = rc->pattern; | |
| 733 | |
| 734 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| 735 cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); | |
| 736 | |
| 737 n = (ngx_uint_t) rc->named_captures; | |
| 738 | |
| 739 if (n == 0) { | |
| 740 return re; | |
| 741 } | |
| 742 | |
| 743 rv = ngx_palloc(rc->pool, n * sizeof(ngx_stream_regex_variable_t)); | |
| 744 if (rv == NULL) { | |
| 745 return NULL; | |
| 746 } | |
| 747 | |
| 748 re->variables = rv; | |
| 749 re->nvariables = n; | |
| 750 | |
| 751 size = rc->name_size; | |
| 752 p = rc->names; | |
| 753 | |
| 754 for (i = 0; i < n; i++) { | |
| 755 rv[i].capture = 2 * ((p[0] << 8) + p[1]); | |
| 756 | |
| 757 name.data = &p[2]; | |
| 758 name.len = ngx_strlen(name.data); | |
| 759 | |
| 760 v = ngx_stream_add_variable(cf, &name, NGX_STREAM_VAR_CHANGEABLE); | |
| 761 if (v == NULL) { | |
| 762 return NULL; | |
| 763 } | |
| 764 | |
| 765 rv[i].index = ngx_stream_get_variable_index(cf, &name); | |
| 766 if (rv[i].index == NGX_ERROR) { | |
| 767 return NULL; | |
| 768 } | |
| 769 | |
| 770 v->get_handler = ngx_stream_variable_not_found; | |
| 771 | |
| 772 p += size; | |
| 773 } | |
| 774 | |
| 775 return re; | |
| 776 } | |
| 777 | |
| 778 | |
| 779 ngx_int_t | |
| 780 ngx_stream_regex_exec(ngx_stream_session_t *s, ngx_stream_regex_t *re, | |
| 781 ngx_str_t *str) | |
| 782 { | |
| 783 ngx_int_t rc, index; | |
| 784 ngx_uint_t i, n, len; | |
| 785 ngx_stream_variable_value_t *vv; | |
| 786 ngx_stream_core_main_conf_t *cmcf; | |
| 787 | |
| 788 cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
| 789 | |
| 790 if (re->ncaptures) { | |
| 791 len = cmcf->ncaptures; | |
| 792 | |
| 793 if (s->captures == NULL) { | |
| 794 s->captures = ngx_palloc(s->connection->pool, len * sizeof(int)); | |
| 795 if (s->captures == NULL) { | |
| 796 return NGX_ERROR; | |
| 797 } | |
| 798 } | |
| 799 | |
| 800 } else { | |
| 801 len = 0; | |
| 802 } | |
| 803 | |
| 804 rc = ngx_regex_exec(re->regex, str, s->captures, len); | |
| 805 | |
| 806 if (rc == NGX_REGEX_NO_MATCHED) { | |
| 807 return NGX_DECLINED; | |
| 808 } | |
| 809 | |
| 810 if (rc < 0) { | |
| 811 ngx_log_error(NGX_LOG_ALERT, s->connection->log, 0, | |
| 812 ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", | |
| 813 rc, str, &re->name); | |
| 814 return NGX_ERROR; | |
| 815 } | |
| 816 | |
| 817 for (i = 0; i < re->nvariables; i++) { | |
| 818 | |
| 819 n = re->variables[i].capture; | |
| 820 index = re->variables[i].index; | |
| 821 vv = &s->variables[index]; | |
| 822 | |
| 823 vv->len = s->captures[n + 1] - s->captures[n]; | |
| 824 vv->valid = 1; | |
| 825 vv->no_cacheable = 0; | |
| 826 vv->not_found = 0; | |
| 827 vv->data = &str->data[s->captures[n]]; | |
| 828 | |
| 829 #if (NGX_DEBUG) | |
| 830 { | |
| 831 ngx_stream_variable_t *v; | |
| 832 | |
| 833 v = cmcf->variables.elts; | |
| 834 | |
| 835 ngx_log_debug2(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| 836 "stream regex set $%V to \"%v\"", &v[index].name, vv); | |
| 837 } | |
| 838 #endif | |
| 839 } | |
| 840 | |
| 841 s->ncaptures = rc * 2; | |
| 842 s->captures_data = str->data; | |
| 843 | |
| 844 return NGX_OK; | |
| 845 } | |
| 846 | |
| 847 #endif | |
| 848 | |
| 849 | |
| 850 ngx_int_t | |
| 851 ngx_stream_variables_add_core_vars(ngx_conf_t *cf) | |
| 852 { | |
| 853 ngx_int_t rc; | |
| 854 ngx_stream_variable_t *cv, *v; | |
| 855 ngx_stream_core_main_conf_t *cmcf; | |
| 856 | |
| 857 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| 858 | |
| 859 cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, | |
| 860 sizeof(ngx_hash_keys_arrays_t)); | |
| 861 if (cmcf->variables_keys == NULL) { | |
| 862 return NGX_ERROR; | |
| 863 } | |
| 864 | |
| 865 cmcf->variables_keys->pool = cf->pool; | |
| 866 cmcf->variables_keys->temp_pool = cf->pool; | |
| 867 | |
| 868 if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) | |
| 869 != NGX_OK) | |
| 870 { | |
| 871 return NGX_ERROR; | |
| 872 } | |
| 873 | |
| 874 for (cv = ngx_stream_core_variables; cv->name.len; cv++) { | |
| 875 v = ngx_palloc(cf->pool, sizeof(ngx_stream_variable_t)); | |
| 876 if (v == NULL) { | |
| 877 return NGX_ERROR; | |
| 878 } | |
| 879 | |
| 880 *v = *cv; | |
| 881 | |
| 882 rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, | |
| 883 NGX_HASH_READONLY_KEY); | |
| 884 | |
| 885 if (rc == NGX_OK) { | |
| 886 continue; | |
| 887 } | |
| 888 | |
| 889 if (rc == NGX_BUSY) { | |
| 890 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 891 "conflicting variable name \"%V\"", &v->name); | |
| 892 } | |
| 893 | |
| 894 return NGX_ERROR; | |
| 895 } | |
| 896 | |
| 897 return NGX_OK; | |
| 898 } | |
| 899 | |
| 900 | |
| 901 ngx_int_t | |
| 902 ngx_stream_variables_init_vars(ngx_conf_t *cf) | |
| 903 { | |
| 904 ngx_uint_t i, n; | |
| 905 ngx_hash_key_t *key; | |
| 906 ngx_hash_init_t hash; | |
| 907 ngx_stream_variable_t *v, *av; | |
| 908 ngx_stream_core_main_conf_t *cmcf; | |
| 909 | |
| 910 /* set the handlers for the indexed stream variables */ | |
| 911 | |
| 912 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| 913 | |
| 914 v = cmcf->variables.elts; | |
| 915 key = cmcf->variables_keys->keys.elts; | |
| 916 | |
| 917 for (i = 0; i < cmcf->variables.nelts; i++) { | |
| 918 | |
| 919 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { | |
| 920 | |
| 921 av = key[n].value; | |
| 922 | |
| 923 if (v[i].name.len == key[n].key.len | |
| 924 && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) | |
| 925 == 0) | |
| 926 { | |
| 927 v[i].get_handler = av->get_handler; | |
| 928 v[i].data = av->data; | |
| 929 | |
| 930 av->flags |= NGX_STREAM_VAR_INDEXED; | |
| 931 v[i].flags = av->flags; | |
| 932 | |
| 933 av->index = i; | |
| 934 | |
| 935 if (av->get_handler == NULL) { | |
| 936 break; | |
| 937 } | |
| 938 | |
| 939 goto next; | |
| 940 } | |
| 941 } | |
| 942 | |
| 943 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 944 "unknown \"%V\" variable", &v[i].name); | |
| 945 | |
| 946 return NGX_ERROR; | |
| 947 | |
| 948 next: | |
| 949 continue; | |
| 950 } | |
| 951 | |
| 952 | |
| 953 for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { | |
| 954 av = key[n].value; | |
| 955 | |
| 956 if (av->flags & NGX_STREAM_VAR_NOHASH) { | |
| 957 key[n].key.data = NULL; | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 | |
| 962 hash.hash = &cmcf->variables_hash; | |
| 963 hash.key = ngx_hash_key; | |
| 964 hash.max_size = cmcf->variables_hash_max_size; | |
| 965 hash.bucket_size = cmcf->variables_hash_bucket_size; | |
| 966 hash.name = "variables_hash"; | |
| 967 hash.pool = cf->pool; | |
| 968 hash.temp_pool = NULL; | |
| 969 | |
| 970 if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, | |
| 971 cmcf->variables_keys->keys.nelts) | |
| 972 != NGX_OK) | |
| 973 { | |
| 974 return NGX_ERROR; | |
| 975 } | |
| 976 | |
| 977 cmcf->variables_keys = NULL; | |
| 978 | |
| 979 return NGX_OK; | |
| 980 } |