Mercurial > hg > nginx
annotate src/core/ngx_hash.c @ 2149:deaa4cabecdc
update debug logging
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 04 Aug 2008 21:51:36 +0000 |
| parents | 7a7c9e9024dd |
| children | febb71974a35 |
| rev | line source |
|---|---|
| 507 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 | |
| 10 | |
| 589 | 11 void * |
| 12 ngx_hash_find(ngx_hash_t *hash, ngx_uint_t key, u_char *name, size_t len) | |
| 13 { | |
| 14 ngx_uint_t i; | |
| 15 ngx_hash_elt_t *elt; | |
| 16 | |
| 17 #if 0 | |
| 18 ngx_str_t line; | |
| 19 | |
| 20 line.len = len; | |
| 21 line.data = name; | |
| 22 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%V\"", &line); | |
| 23 #endif | |
| 24 | |
| 25 elt = hash->buckets[key % hash->size]; | |
| 26 | |
| 27 if (elt == NULL) { | |
| 28 return NULL; | |
| 29 } | |
| 30 | |
| 31 while (elt->value) { | |
| 32 if (len != (size_t) elt->len) { | |
| 33 goto next; | |
| 34 } | |
| 35 | |
| 36 for (i = 0; i < len; i++) { | |
| 37 if (name[i] != elt->name[i]) { | |
| 38 goto next; | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 return elt->value; | |
| 43 | |
| 44 next: | |
| 45 | |
| 46 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 47 sizeof(void *)); | |
| 48 continue; | |
| 49 } | |
| 50 | |
| 51 return NULL; | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void * | |
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56 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
| 589 | 57 { |
| 58 void *value; | |
| 59 ngx_uint_t i, n, key; | |
| 60 | |
| 61 #if 0 | |
| 62 ngx_str_t line; | |
| 63 | |
| 64 line.len = len; | |
| 65 line.data = name; | |
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66 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%V\"", &line); |
| 589 | 67 #endif |
| 68 | |
| 69 n = len; | |
| 70 | |
| 71 while (n) { | |
| 72 if (name[n - 1] == '.') { | |
| 73 break; | |
| 74 } | |
| 75 | |
| 76 n--; | |
| 77 } | |
| 78 | |
| 79 key = 0; | |
| 80 | |
| 81 for (i = n; i < len; i++) { | |
| 82 key = ngx_hash(key, name[i]); | |
| 83 } | |
| 84 | |
| 85 #if 0 | |
| 86 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
| 87 #endif | |
| 88 | |
| 89 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
| 90 | |
| 2149 | 91 #if 0 |
| 92 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
| 93 #endif | |
| 94 | |
| 589 | 95 if (value) { |
| 591 | 96 |
| 97 /* | |
| 98 * the 2 low bits of value have the special meaning: | |
| 99 * 00 - value is data pointer, | |
| 100 * 01 - value is pointer to wildcard hash allowing | |
| 101 * "*.example.com" only, | |
| 102 * 11 - value is pointer to wildcard hash allowing | |
| 103 * both "example.com" and "*.example.com". | |
| 104 */ | |
| 105 | |
| 589 | 106 if ((uintptr_t) value & 1) { |
| 591 | 107 |
| 108 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
| 109 | |
| 110 if (n == 0) { | |
| 111 if ((uintptr_t) value & 2) { | |
| 112 return hwc->value; | |
| 113 | |
| 114 } else { | |
| 115 return NULL; | |
| 116 } | |
| 117 } | |
| 589 | 118 |
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119 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
| 589 | 120 |
| 121 if (value) { | |
| 122 return value; | |
| 123 } | |
| 124 | |
| 125 return hwc->value; | |
| 126 } | |
| 127 | |
| 128 return value; | |
| 129 } | |
| 130 | |
| 131 return hwc->value; | |
| 132 } | |
| 133 | |
| 134 | |
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135 void * |
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136 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
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137 { |
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138 void *value; |
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139 ngx_uint_t i, key; |
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140 |
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141 #if 0 |
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142 ngx_str_t line; |
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143 |
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144 line.len = len; |
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145 line.data = name; |
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146 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%V\"", &line); |
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147 #endif |
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148 |
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149 key = 0; |
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150 |
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151 for (i = 0; i < len; i++) { |
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152 if (name[i] == '.') { |
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153 break; |
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154 } |
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155 |
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156 key = ngx_hash(key, name[i]); |
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157 } |
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158 |
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159 if (i == len) { |
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160 return NULL; |
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161 } |
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162 |
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163 #if 0 |
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164 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
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165 #endif |
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166 |
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167 value = ngx_hash_find(&hwc->hash, key, name, i); |
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168 |
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169 if (value) { |
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170 |
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171 /* |
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172 * the 2 low bits of value have the special meaning: |
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173 * 00 - value is data pointer, |
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174 * 01 - value is pointer to wildcard hash allowing "example.*". |
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175 */ |
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176 |
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177 if ((uintptr_t) value & 1) { |
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178 |
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179 i++; |
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180 |
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181 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
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182 |
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183 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
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184 |
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185 if (value) { |
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186 return value; |
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187 } |
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188 |
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189 return hwc->value; |
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190 } |
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191 |
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192 return value; |
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193 } |
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194 |
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195 return hwc->value; |
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196 } |
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197 |
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198 |
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199 void * |
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200 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
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201 size_t len) |
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202 { |
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203 void *value; |
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204 |
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205 if (hash->hash.buckets) { |
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206 value = ngx_hash_find(&hash->hash, key, name, len); |
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207 |
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208 if (value) { |
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209 return value; |
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210 } |
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211 } |
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212 |
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213 if (hash->wc_head && hash->wc_head->hash.buckets) { |
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214 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
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215 |
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216 if (value) { |
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217 return value; |
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218 } |
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219 } |
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220 |
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221 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
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222 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
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223 |
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224 if (value) { |
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225 return value; |
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226 } |
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227 } |
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228 |
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229 return NULL; |
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230 } |
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231 |
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232 |
| 589 | 233 #define NGX_HASH_ELT_SIZE(name) \ |
| 595 | 234 (sizeof(void *) + ngx_align((name)->key.len + 1, sizeof(void *))) |
| 589 | 235 |
| 507 | 236 ngx_int_t |
| 589 | 237 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
| 238 { | |
| 239 u_char *elts; | |
| 595 | 240 size_t len; |
| 241 u_short *test; | |
| 589 | 242 ngx_uint_t i, n, key, size, start, bucket_size; |
| 243 ngx_hash_elt_t *elt, **buckets; | |
| 244 | |
| 245 for (n = 0; n < nelts; n++) { | |
| 246 if (names[n].key.len >= 255) { | |
| 247 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 248 "the \"%V\" value to hash is to long: %uz bytes, " | |
| 249 "the maximum length can be 255 bytes only", | |
| 250 &names[n].key, names[n].key.len); | |
| 251 return NGX_ERROR; | |
| 252 } | |
| 253 | |
| 254 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
| 255 { | |
| 256 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 595 | 257 "could not build the %s, you should " |
| 589 | 258 "increase %s_bucket_size: %i", |
| 259 hinit->name, hinit->name, hinit->bucket_size); | |
| 260 return NGX_ERROR; | |
| 261 } | |
| 262 } | |
| 263 | |
| 595 | 264 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
| 589 | 265 if (test == NULL) { |
| 266 return NGX_ERROR; | |
| 267 } | |
| 268 | |
| 631 | 269 bucket_size = hinit->bucket_size - sizeof(void *); |
| 270 | |
| 746 | 271 start = nelts / (bucket_size / (2 * sizeof(void *))); |
| 589 | 272 start = start ? start : 1; |
| 273 | |
| 631 | 274 if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) { |
| 275 start = hinit->max_size - 1000; | |
| 276 } | |
| 589 | 277 |
| 278 for (size = start; size < hinit->max_size; size++) { | |
| 279 | |
| 595 | 280 ngx_memzero(test, size * sizeof(u_short)); |
| 589 | 281 |
| 282 for (n = 0; n < nelts; n++) { | |
| 283 if (names[n].key.data == NULL) { | |
| 284 continue; | |
| 285 } | |
| 286 | |
| 287 key = names[n].key_hash % size; | |
| 595 | 288 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 289 |
| 290 #if 0 | |
| 291 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 292 "%ui: %ui %ui \"%V\"", | |
| 293 size, key, test[key], &names[n].key); | |
| 294 #endif | |
| 295 | |
| 595 | 296 if (test[key] > (u_short) bucket_size) { |
| 589 | 297 goto next; |
| 298 } | |
| 299 } | |
| 300 | |
| 301 goto found; | |
| 302 | |
| 303 next: | |
| 304 | |
| 305 continue; | |
| 306 } | |
| 307 | |
| 308 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 595 | 309 "could not build the %s, you should increase " |
| 589 | 310 "either %s_max_size: %i or %s_bucket_size: %i", |
| 311 hinit->name, hinit->name, hinit->max_size, | |
| 312 hinit->name, hinit->bucket_size); | |
| 313 | |
| 314 ngx_free(test); | |
| 315 | |
| 316 return NGX_ERROR; | |
| 317 | |
| 318 found: | |
| 319 | |
| 320 for (i = 0; i < size; i++) { | |
| 321 test[i] = sizeof(void *); | |
| 322 } | |
| 323 | |
| 324 for (n = 0; n < nelts; n++) { | |
| 325 if (names[n].key.data == NULL) { | |
| 326 continue; | |
| 327 } | |
| 328 | |
| 329 key = names[n].key_hash % size; | |
| 595 | 330 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 331 } |
| 332 | |
| 333 len = 0; | |
| 334 | |
| 335 for (i = 0; i < size; i++) { | |
| 336 if (test[i] == sizeof(void *)) { | |
| 337 continue; | |
| 338 } | |
| 339 | |
| 595 | 340 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
| 589 | 341 |
| 342 len += test[i]; | |
| 343 } | |
| 344 | |
| 345 if (hinit->hash == NULL) { | |
| 346 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
| 347 + size * sizeof(ngx_hash_elt_t *)); | |
| 348 if (hinit->hash == NULL) { | |
| 349 ngx_free(test); | |
| 350 return NGX_ERROR; | |
| 351 } | |
| 352 | |
| 353 buckets = (ngx_hash_elt_t **) | |
| 354 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
| 355 | |
| 356 } else { | |
| 357 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
| 358 if (buckets == NULL) { | |
| 359 ngx_free(test); | |
| 360 return NGX_ERROR; | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
| 365 if (elts == NULL) { | |
| 366 ngx_free(test); | |
| 367 return NGX_ERROR; | |
| 368 } | |
| 369 | |
| 370 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
| 371 | |
| 372 for (i = 0; i < size; i++) { | |
| 373 if (test[i] == sizeof(void *)) { | |
| 374 continue; | |
| 375 } | |
| 376 | |
| 377 buckets[i] = (ngx_hash_elt_t *) elts; | |
| 378 elts += test[i]; | |
| 379 | |
| 380 } | |
| 381 | |
| 382 for (i = 0; i < size; i++) { | |
| 383 test[i] = 0; | |
| 384 } | |
| 385 | |
| 386 for (n = 0; n < nelts; n++) { | |
| 387 if (names[n].key.data == NULL) { | |
| 388 continue; | |
| 389 } | |
| 390 | |
| 391 key = names[n].key_hash % size; | |
| 392 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
| 393 | |
| 394 elt->value = names[n].value; | |
| 395 elt->len = (u_char) names[n].key.len; | |
| 396 | |
| 2135 | 397 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
| 589 | 398 |
| 595 | 399 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 400 } |
| 401 | |
| 402 for (i = 0; i < size; i++) { | |
| 403 if (buckets[i] == NULL) { | |
| 404 continue; | |
| 405 } | |
| 406 | |
| 407 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
| 408 | |
| 409 elt->value = NULL; | |
| 410 } | |
| 411 | |
| 412 ngx_free(test); | |
| 413 | |
| 414 hinit->hash->buckets = buckets; | |
| 415 hinit->hash->size = size; | |
| 416 | |
| 417 #if 0 | |
| 418 | |
| 419 for (i = 0; i < size; i++) { | |
| 420 ngx_str_t val; | |
| 421 ngx_uint_t key; | |
| 422 | |
| 423 elt = buckets[i]; | |
| 424 | |
| 425 if (elt == NULL) { | |
| 426 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 427 "%ui: NULL", i); | |
| 428 continue; | |
| 429 } | |
| 430 | |
| 431 while (elt->value) { | |
| 432 val.len = elt->len; | |
| 433 val.data = &elt->name[0]; | |
| 434 | |
| 435 key = hinit->key(val.data, val.len); | |
| 436 | |
| 437 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 438 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
| 439 | |
| 440 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 441 sizeof(void *)); | |
| 442 } | |
| 443 } | |
| 444 | |
| 445 #endif | |
| 446 | |
| 447 return NGX_OK; | |
| 448 } | |
| 449 | |
| 450 | |
| 451 ngx_int_t | |
| 452 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
| 453 ngx_uint_t nelts) | |
| 454 { | |
| 593 | 455 size_t len, dot_len; |
| 591 | 456 ngx_uint_t i, n, dot; |
| 589 | 457 ngx_array_t curr_names, next_names; |
| 458 ngx_hash_key_t *name, *next_name; | |
| 459 ngx_hash_init_t h; | |
| 460 ngx_hash_wildcard_t *wdc; | |
| 461 | |
| 462 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
| 463 sizeof(ngx_hash_key_t)) | |
| 464 != NGX_OK) | |
| 465 { | |
| 466 return NGX_ERROR; | |
| 467 } | |
| 468 | |
| 469 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
| 470 sizeof(ngx_hash_key_t)) | |
| 471 != NGX_OK) | |
| 472 { | |
| 473 return NGX_ERROR; | |
| 474 } | |
| 475 | |
| 476 for (n = 0; n < nelts; n = i) { | |
| 477 | |
| 478 #if 0 | |
| 479 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 480 "wc0: \"%V\"", &names[n].key); | |
| 481 #endif | |
| 482 | |
| 591 | 483 dot = 0; |
| 484 | |
| 589 | 485 for (len = 0; len < names[n].key.len; len++) { |
| 486 if (names[n].key.data[len] == '.') { | |
| 591 | 487 dot = 1; |
| 589 | 488 break; |
| 489 } | |
| 490 } | |
| 491 | |
| 492 name = ngx_array_push(&curr_names); | |
| 493 if (name == NULL) { | |
| 494 return NGX_ERROR; | |
| 495 } | |
| 496 | |
| 591 | 497 name->key.len = len; |
| 589 | 498 name->key.data = names[n].key.data; |
| 499 name->key_hash = hinit->key(name->key.data, name->key.len); | |
| 500 name->value = names[n].value; | |
| 501 | |
| 502 #if 0 | |
| 503 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 593 | 504 "wc1: \"%V\" %ui", &name->key, dot); |
| 589 | 505 #endif |
| 506 | |
| 593 | 507 dot_len = len + 1; |
| 508 | |
| 591 | 509 if (dot) { |
| 510 len++; | |
| 511 } | |
| 512 | |
| 589 | 513 next_names.nelts = 0; |
| 514 | |
| 515 if (names[n].key.len != len) { | |
| 516 next_name = ngx_array_push(&next_names); | |
| 517 if (next_name == NULL) { | |
| 518 return NGX_ERROR; | |
| 519 } | |
| 520 | |
| 521 next_name->key.len = names[n].key.len - len; | |
| 522 next_name->key.data = names[n].key.data + len; | |
| 523 next_name->key_hash= 0; | |
| 524 next_name->value = names[n].value; | |
| 525 | |
| 526 #if 0 | |
| 527 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 528 "wc2: \"%V\"", &next_name->key); | |
| 529 #endif | |
| 530 } | |
| 531 | |
| 532 for (i = n + 1; i < nelts; i++) { | |
| 533 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
| 534 break; | |
| 535 } | |
| 536 | |
| 593 | 537 if (!dot |
| 538 && names[i].key.len > len | |
| 539 && names[i].key.data[len] != '.') | |
| 540 { | |
| 541 break; | |
| 542 } | |
| 543 | |
| 589 | 544 next_name = ngx_array_push(&next_names); |
| 545 if (next_name == NULL) { | |
| 546 return NGX_ERROR; | |
| 547 } | |
| 548 | |
| 593 | 549 next_name->key.len = names[i].key.len - dot_len; |
| 550 next_name->key.data = names[i].key.data + dot_len; | |
| 589 | 551 next_name->key_hash= 0; |
| 552 next_name->value = names[i].value; | |
| 553 | |
| 554 #if 0 | |
| 555 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 591 | 556 "wc3: \"%V\"", &next_name->key); |
| 589 | 557 #endif |
| 558 } | |
| 559 | |
| 560 if (next_names.nelts) { | |
| 593 | 561 |
| 589 | 562 h = *hinit; |
| 563 h.hash = NULL; | |
| 564 | |
| 565 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
| 566 next_names.nelts) | |
| 567 != NGX_OK) | |
| 568 { | |
| 569 return NGX_ERROR; | |
| 570 } | |
| 571 | |
| 572 wdc = (ngx_hash_wildcard_t *) h.hash; | |
| 573 | |
| 574 if (names[n].key.len == len) { | |
| 575 wdc->value = names[n].value; | |
| 576 } | |
| 577 | |
| 591 | 578 name->value = (void *) ((uintptr_t) wdc | (dot ? 1 : 3)); |
| 589 | 579 } |
| 580 } | |
| 581 | |
| 582 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
| 583 curr_names.nelts) | |
| 584 != NGX_OK) | |
| 585 { | |
| 586 return NGX_ERROR; | |
| 587 } | |
| 588 | |
| 589 return NGX_OK; | |
| 590 } | |
| 591 | |
| 592 | |
| 593 ngx_uint_t | |
| 594 ngx_hash_key(u_char *data, size_t len) | |
| 595 { | |
| 596 ngx_uint_t i, key; | |
| 597 | |
| 598 key = 0; | |
| 599 | |
| 600 for (i = 0; i < len; i++) { | |
| 601 key = ngx_hash(key, data[i]); | |
| 602 } | |
| 603 | |
| 604 return key; | |
| 605 } | |
| 606 | |
| 607 | |
| 608 ngx_uint_t | |
| 609 ngx_hash_key_lc(u_char *data, size_t len) | |
| 610 { | |
| 611 ngx_uint_t i, key; | |
| 612 | |
| 613 key = 0; | |
| 614 | |
| 615 for (i = 0; i < len; i++) { | |
| 616 key = ngx_hash(key, ngx_tolower(data[i])); | |
| 617 } | |
| 618 | |
| 619 return key; | |
| 620 } | |
| 621 | |
| 622 | |
| 2136 | 623 ngx_uint_t |
| 624 ngx_hash_strlow(u_char *dst, u_char *src, size_t n) | |
| 625 { | |
| 626 ngx_uint_t key; | |
| 627 | |
| 628 key = 0; | |
| 629 | |
| 630 while (n--) { | |
| 631 *dst = ngx_tolower(*src); | |
| 632 key = ngx_hash(key, *dst); | |
| 633 dst++; | |
| 634 src++; | |
| 635 } | |
| 636 | |
| 637 return key; | |
| 638 } | |
| 639 | |
| 640 | |
| 589 | 641 ngx_int_t |
| 593 | 642 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
| 643 { | |
| 644 ngx_uint_t asize; | |
| 645 | |
| 646 if (type == NGX_HASH_SMALL) { | |
| 647 asize = 4; | |
| 648 ha->hsize = 107; | |
| 649 | |
| 650 } else { | |
| 651 asize = NGX_HASH_LARGE_ASIZE; | |
| 652 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
| 653 } | |
| 654 | |
| 655 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
| 656 != NGX_OK) | |
| 657 { | |
| 658 return NGX_ERROR; | |
| 659 } | |
| 660 | |
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661 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
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662 sizeof(ngx_hash_key_t)) |
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663 != NGX_OK) |
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664 { |
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665 return NGX_ERROR; |
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666 } |
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667 |
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668 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
| 593 | 669 sizeof(ngx_hash_key_t)) |
| 670 != NGX_OK) | |
| 671 { | |
| 672 return NGX_ERROR; | |
| 673 } | |
| 674 | |
| 675 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
| 676 if (ha->keys_hash == NULL) { | |
| 677 return NGX_ERROR; | |
| 678 } | |
| 679 | |
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680 ha->dns_wc_head_hash = ngx_pcalloc(ha->temp_pool, |
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681 sizeof(ngx_array_t) * ha->hsize); |
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682 if (ha->dns_wc_head_hash == NULL) { |
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683 return NGX_ERROR; |
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684 } |
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685 |
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686 ha->dns_wc_tail_hash = ngx_pcalloc(ha->temp_pool, |
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687 sizeof(ngx_array_t) * ha->hsize); |
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688 if (ha->dns_wc_tail_hash == NULL) { |
| 593 | 689 return NGX_ERROR; |
| 690 } | |
| 691 | |
| 692 return NGX_OK; | |
| 693 } | |
| 694 | |
| 695 | |
| 696 ngx_int_t | |
| 697 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
| 698 ngx_uint_t flags) | |
| 699 { | |
| 700 size_t len; | |
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701 u_char *p; |
| 593 | 702 ngx_str_t *name; |
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746
diff
changeset
|
703 ngx_uint_t i, k, n, skip, last; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
704 ngx_array_t *keys, *hwc; |
| 593 | 705 ngx_hash_key_t *hk; |
| 706 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
707 last = key->len; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
708 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
709 if (flags & NGX_HASH_WILDCARD_KEY) { |
| 593 | 710 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
711 /* |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
712 * supported wildcards: |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
713 * "*.example.com", ".example.com", and "www.example.*" |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
714 */ |
| 593 | 715 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
716 n = 0; |
| 593 | 717 |
| 718 for (i = 0; i < key->len; i++) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
719 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
720 if (key->data[i] == '*') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 if (++n > 1) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
722 return NGX_DECLINED; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
723 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
724 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
725 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
726 if (key->data[i] == '.' && key->data[i + 1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
727 return NGX_DECLINED; |
| 597 | 728 } |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
729 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
730 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
731 if (key->len > 1 && key->data[0] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
732 skip = 1; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
734 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
735 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
736 if (key->len > 2) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
737 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
738 if (key->data[0] == '*' && key->data[1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 skip = 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
740 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
741 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
742 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
743 if (key->data[i - 2] == '.' && key->data[i - 1] == '*') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
744 skip = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
745 last -= 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
746 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
747 } |
| 593 | 748 } |
| 749 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
750 if (n) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
751 return NGX_DECLINED; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
752 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
753 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
754 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
755 /* exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
756 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 k = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
758 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
759 for (i = 0; i < last; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
760 if (!(flags & NGX_HASH_READONLY_KEY)) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
761 key->data[i] = ngx_tolower(key->data[i]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
762 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
763 k = ngx_hash(k, key->data[i]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
764 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
765 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
766 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
767 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 /* check conflicts in exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
769 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
770 name = ha->keys_hash[k].elts; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
771 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
772 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
773 for (i = 0; i < ha->keys_hash[k].nelts; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
774 if (last != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
775 continue; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
776 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
777 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
778 if (ngx_strncmp(key->data, name[i].data, last) == 0) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
779 return NGX_BUSY; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
780 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
781 } |
| 593 | 782 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
784 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
785 sizeof(ngx_str_t)) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
786 != NGX_OK) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
787 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
788 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
789 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
790 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
791 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
792 name = ngx_array_push(&ha->keys_hash[k]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
794 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
795 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
796 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
797 *name = *key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
798 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
799 hk = ngx_array_push(&ha->keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 if (hk == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
802 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
803 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
804 hk->key = *key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
805 hk->key_hash = ngx_hash_key(key->data, last); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
806 hk->value = value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
807 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
808 return NGX_OK; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
809 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
810 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
811 wildcard: |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
812 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
813 /* wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
814 |
| 2136 | 815 k = ngx_hash_strlow(&key->data[skip], &key->data[skip], last - skip); |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
816 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
817 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
818 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
819 if (skip == 1) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
820 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
821 /* check conflicts in exact hash for ".example.com" */ |
| 593 | 822 |
| 823 name = ha->keys_hash[k].elts; | |
| 824 | |
| 825 if (name) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
826 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
827 |
| 593 | 828 for (i = 0; i < ha->keys_hash[k].nelts; i++) { |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
829 if (len != name[i].len) { |
| 593 | 830 continue; |
| 831 } | |
| 832 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
833 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
| 593 | 834 return NGX_BUSY; |
| 835 } | |
| 836 } | |
| 837 | |
| 838 } else { | |
| 839 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
| 840 sizeof(ngx_str_t)) | |
| 841 != NGX_OK) | |
| 842 { | |
| 843 return NGX_ERROR; | |
| 844 } | |
| 845 } | |
| 846 | |
| 847 name = ngx_array_push(&ha->keys_hash[k]); | |
| 848 if (name == NULL) { | |
| 849 return NGX_ERROR; | |
| 850 } | |
| 851 | |
|
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852 name->len = last - 1; |
| 2049 | 853 name->data = ngx_pnalloc(ha->temp_pool, name->len); |
|
1253
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
854 if (name->data == NULL) { |
| 593 | 855 return NGX_ERROR; |
| 856 } | |
| 857 | |
|
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
858 ngx_memcpy(name->data, &key->data[1], name->len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
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|
859 } |
| 593 | 860 |
| 861 | |
|
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862 if (skip) { |
| 593 | 863 |
| 864 /* | |
| 865 * convert "*.example.com" to "com.example.\0" | |
| 866 * and ".example.com" to "com.example\0" | |
| 867 */ | |
| 868 | |
| 2049 | 869 p = ngx_pnalloc(ha->temp_pool, last); |
|
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Igor Sysoev <igor@sysoev.ru>
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870 if (p == NULL) { |
| 619 | 871 return NGX_ERROR; |
| 872 } | |
| 873 | |
| 593 | 874 len = 0; |
| 875 n = 0; | |
| 876 | |
|
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the "www.example.*" wildcard hash support
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877 for (i = last - 1; i; i--) { |
| 593 | 878 if (key->data[i] == '.') { |
|
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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879 ngx_memcpy(&p[n], &key->data[i + 1], len); |
| 593 | 880 n += len; |
|
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Igor Sysoev <igor@sysoev.ru>
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881 p[n++] = '.'; |
| 593 | 882 len = 0; |
| 883 continue; | |
| 884 } | |
| 885 | |
| 886 len++; | |
| 887 } | |
| 888 | |
| 889 if (len) { | |
|
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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890 ngx_memcpy(&p[n], &key->data[1], len); |
| 593 | 891 n += len; |
| 892 } | |
| 893 | |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
894 p[n] = '\0'; |
| 619 | 895 |
|
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
896 hwc = &ha->dns_wc_head; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
897 keys = &ha->dns_wc_head_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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|
898 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
899 } else { |
| 619 | 900 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
901 /* convert "www.example.*" to "www.example\0" */ |
| 619 | 902 |
|
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
903 last++; |
|
8ef04207c84f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
904 |
| 2049 | 905 p = ngx_pnalloc(ha->temp_pool, last); |
|
1415
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
906 if (p == NULL) { |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
907 return NGX_ERROR; |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
908 } |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
909 |
| 1492 | 910 ngx_cpystrn(p, key->data, last); |
|
1415
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
911 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
912 hwc = &ha->dns_wc_tail; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
913 keys = &ha->dns_wc_tail_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
914 } |
| 593 | 915 |
| 916 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
917 hk = ngx_array_push(hwc); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
918 if (hk == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
919 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
920 } |
| 593 | 921 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
922 hk->key.len = last - 1; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
923 hk->key.data = p; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
924 hk->key_hash = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
925 hk->value = value; |
| 593 | 926 |
| 927 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
928 /* check conflicts in wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
929 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
930 name = keys->elts; |
| 593 | 931 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
932 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
933 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
934 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
935 for (i = 0; i < keys->nelts; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
936 if (len != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
937 continue; |
| 593 | 938 } |
| 939 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
940 if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
941 return NGX_BUSY; |
| 593 | 942 } |
| 943 } | |
| 944 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
945 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
946 if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
947 { |
| 593 | 948 return NGX_ERROR; |
| 949 } | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
950 } |
| 593 | 951 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
952 name = ngx_array_push(keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
953 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
954 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
955 } |
| 619 | 956 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
957 name->len = last - skip; |
| 2049 | 958 name->data = ngx_pnalloc(ha->temp_pool, name->len); |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
959 if (name->data == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
960 return NGX_ERROR; |
| 593 | 961 } |
| 962 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
963 ngx_memcpy(name->data, key->data + skip, name->len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
964 |
| 593 | 965 return NGX_OK; |
| 966 } |