Mercurial > hg > nginx
annotate src/core/ngx_hash.c @ 3118:6f79fac538b9
style fix
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sun, 13 Sep 2009 06:25:54 +0000 |
| parents | 23706c19fab8 |
| children | 4c70bbdfd076 |
| 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 | |
| 2155 | 18 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%*s\"", len, name); |
| 589 | 19 #endif |
| 20 | |
| 21 elt = hash->buckets[key % hash->size]; | |
| 22 | |
| 23 if (elt == NULL) { | |
| 24 return NULL; | |
| 25 } | |
| 26 | |
| 27 while (elt->value) { | |
| 28 if (len != (size_t) elt->len) { | |
| 29 goto next; | |
| 30 } | |
| 31 | |
| 32 for (i = 0; i < len; i++) { | |
| 33 if (name[i] != elt->name[i]) { | |
| 34 goto next; | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 return elt->value; | |
| 39 | |
| 40 next: | |
| 41 | |
| 42 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 43 sizeof(void *)); | |
| 44 continue; | |
| 45 } | |
| 46 | |
| 47 return NULL; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 void * | |
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52 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
| 589 | 53 { |
| 54 void *value; | |
| 55 ngx_uint_t i, n, key; | |
| 56 | |
| 57 #if 0 | |
| 2155 | 58 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%*s\"", len, name); |
| 589 | 59 #endif |
| 60 | |
| 61 n = len; | |
| 62 | |
| 63 while (n) { | |
| 64 if (name[n - 1] == '.') { | |
| 65 break; | |
| 66 } | |
| 67 | |
| 68 n--; | |
| 69 } | |
| 70 | |
| 71 key = 0; | |
| 72 | |
| 73 for (i = n; i < len; i++) { | |
| 74 key = ngx_hash(key, name[i]); | |
| 75 } | |
| 76 | |
| 77 #if 0 | |
| 78 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
| 79 #endif | |
| 80 | |
| 81 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
| 82 | |
| 2149 | 83 #if 0 |
| 84 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
| 85 #endif | |
| 86 | |
| 589 | 87 if (value) { |
| 591 | 88 |
| 89 /* | |
| 90 * the 2 low bits of value have the special meaning: | |
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91 * 00 - value is data pointer for both "example.com" |
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92 * and "*.example.com"; |
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93 * 01 - value is data pointer for "*.example.com" only; |
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94 * 10 - value is pointer to wildcard hash allowing |
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95 * both "example.com" and "*.example.com"; |
| 591 | 96 * 11 - value is pointer to wildcard hash allowing |
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97 * "*.example.com" only. |
| 591 | 98 */ |
| 99 | |
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100 if ((uintptr_t) value & 2) { |
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101 |
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102 if (n == 0) { |
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103 |
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104 /* "example.com" */ |
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105 |
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106 if ((uintptr_t) value & 1) { |
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107 return NULL; |
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108 } |
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109 |
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110 hwc = (ngx_hash_wildcard_t *) |
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111 ((uintptr_t) value & (uintptr_t) ~3); |
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112 return hwc->value; |
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113 } |
| 591 | 114 |
| 115 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
| 116 | |
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117 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
| 589 | 118 |
| 119 if (value) { | |
| 120 return value; | |
| 121 } | |
| 122 | |
| 123 return hwc->value; | |
| 124 } | |
| 125 | |
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126 if ((uintptr_t) value & 1) { |
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127 |
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128 if (n == 0) { |
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129 |
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130 /* "example.com" */ |
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131 |
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132 return NULL; |
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133 } |
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134 |
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135 return (void *) ((uintptr_t) value & (uintptr_t) ~3); |
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136 } |
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137 |
| 589 | 138 return value; |
| 139 } | |
| 140 | |
| 141 return hwc->value; | |
| 142 } | |
| 143 | |
| 144 | |
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145 void * |
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146 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
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147 { |
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148 void *value; |
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149 ngx_uint_t i, key; |
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150 |
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151 #if 0 |
| 2155 | 152 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%*s\"", len, name); |
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153 #endif |
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154 |
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155 key = 0; |
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156 |
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157 for (i = 0; i < len; i++) { |
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158 if (name[i] == '.') { |
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159 break; |
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160 } |
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161 |
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162 key = ngx_hash(key, name[i]); |
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163 } |
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164 |
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165 if (i == len) { |
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166 return NULL; |
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167 } |
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168 |
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169 #if 0 |
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170 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
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171 #endif |
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172 |
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173 value = ngx_hash_find(&hwc->hash, key, name, i); |
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174 |
| 2155 | 175 #if 0 |
| 176 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
| 177 #endif | |
| 178 | |
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179 if (value) { |
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180 |
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181 /* |
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182 * the 2 low bits of value have the special meaning: |
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183 * 00 - value is data pointer; |
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184 * 11 - value is pointer to wildcard hash allowing "example.*". |
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185 */ |
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186 |
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187 if ((uintptr_t) value & 2) { |
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188 |
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189 i++; |
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190 |
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191 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
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192 |
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193 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
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194 |
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195 if (value) { |
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196 return value; |
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197 } |
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198 |
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199 return hwc->value; |
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200 } |
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201 |
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202 return value; |
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203 } |
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204 |
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205 return hwc->value; |
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206 } |
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207 |
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208 |
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209 void * |
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210 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
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211 size_t len) |
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212 { |
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213 void *value; |
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214 |
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215 if (hash->hash.buckets) { |
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216 value = ngx_hash_find(&hash->hash, key, name, len); |
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217 |
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218 if (value) { |
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219 return value; |
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220 } |
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221 } |
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222 |
| 2195 | 223 if (len == 0) { |
| 224 return NULL; | |
| 225 } | |
| 226 | |
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227 if (hash->wc_head && hash->wc_head->hash.buckets) { |
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228 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
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229 |
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230 if (value) { |
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231 return value; |
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232 } |
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233 } |
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234 |
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235 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
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236 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
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237 |
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238 if (value) { |
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239 return value; |
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240 } |
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241 } |
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242 |
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243 return NULL; |
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244 } |
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245 |
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246 |
| 589 | 247 #define NGX_HASH_ELT_SIZE(name) \ |
| 595 | 248 (sizeof(void *) + ngx_align((name)->key.len + 1, sizeof(void *))) |
| 589 | 249 |
| 507 | 250 ngx_int_t |
| 589 | 251 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
| 252 { | |
| 253 u_char *elts; | |
| 595 | 254 size_t len; |
| 255 u_short *test; | |
| 589 | 256 ngx_uint_t i, n, key, size, start, bucket_size; |
| 257 ngx_hash_elt_t *elt, **buckets; | |
| 258 | |
| 259 for (n = 0; n < nelts; n++) { | |
| 260 if (names[n].key.len >= 255) { | |
| 261 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 262 "the \"%V\" value to hash is to long: %uz bytes, " | |
| 263 "the maximum length can be 255 bytes only", | |
| 264 &names[n].key, names[n].key.len); | |
| 265 return NGX_ERROR; | |
| 266 } | |
| 267 | |
| 268 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
| 269 { | |
| 270 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 595 | 271 "could not build the %s, you should " |
| 589 | 272 "increase %s_bucket_size: %i", |
| 273 hinit->name, hinit->name, hinit->bucket_size); | |
| 274 return NGX_ERROR; | |
| 275 } | |
| 276 } | |
| 277 | |
| 595 | 278 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
| 589 | 279 if (test == NULL) { |
| 280 return NGX_ERROR; | |
| 281 } | |
| 282 | |
| 631 | 283 bucket_size = hinit->bucket_size - sizeof(void *); |
| 284 | |
| 746 | 285 start = nelts / (bucket_size / (2 * sizeof(void *))); |
| 589 | 286 start = start ? start : 1; |
| 287 | |
| 631 | 288 if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) { |
| 289 start = hinit->max_size - 1000; | |
| 290 } | |
| 589 | 291 |
| 292 for (size = start; size < hinit->max_size; size++) { | |
| 293 | |
| 595 | 294 ngx_memzero(test, size * sizeof(u_short)); |
| 589 | 295 |
| 296 for (n = 0; n < nelts; n++) { | |
| 297 if (names[n].key.data == NULL) { | |
| 298 continue; | |
| 299 } | |
| 300 | |
| 301 key = names[n].key_hash % size; | |
| 595 | 302 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 303 |
| 304 #if 0 | |
| 305 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 306 "%ui: %ui %ui \"%V\"", | |
| 307 size, key, test[key], &names[n].key); | |
| 308 #endif | |
| 309 | |
| 595 | 310 if (test[key] > (u_short) bucket_size) { |
| 589 | 311 goto next; |
| 312 } | |
| 313 } | |
| 314 | |
| 315 goto found; | |
| 316 | |
| 317 next: | |
| 318 | |
| 319 continue; | |
| 320 } | |
| 321 | |
| 322 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
| 595 | 323 "could not build the %s, you should increase " |
| 589 | 324 "either %s_max_size: %i or %s_bucket_size: %i", |
| 325 hinit->name, hinit->name, hinit->max_size, | |
| 326 hinit->name, hinit->bucket_size); | |
| 327 | |
| 328 ngx_free(test); | |
| 329 | |
| 330 return NGX_ERROR; | |
| 331 | |
| 332 found: | |
| 333 | |
| 334 for (i = 0; i < size; i++) { | |
| 335 test[i] = sizeof(void *); | |
| 336 } | |
| 337 | |
| 338 for (n = 0; n < nelts; n++) { | |
| 339 if (names[n].key.data == NULL) { | |
| 340 continue; | |
| 341 } | |
| 342 | |
| 343 key = names[n].key_hash % size; | |
| 595 | 344 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 345 } |
| 346 | |
| 347 len = 0; | |
| 348 | |
| 349 for (i = 0; i < size; i++) { | |
| 350 if (test[i] == sizeof(void *)) { | |
| 351 continue; | |
| 352 } | |
| 353 | |
| 595 | 354 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
| 589 | 355 |
| 356 len += test[i]; | |
| 357 } | |
| 358 | |
| 359 if (hinit->hash == NULL) { | |
| 360 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
| 361 + size * sizeof(ngx_hash_elt_t *)); | |
| 362 if (hinit->hash == NULL) { | |
| 363 ngx_free(test); | |
| 364 return NGX_ERROR; | |
| 365 } | |
| 366 | |
| 367 buckets = (ngx_hash_elt_t **) | |
| 368 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
| 369 | |
| 370 } else { | |
| 371 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
| 372 if (buckets == NULL) { | |
| 373 ngx_free(test); | |
| 374 return NGX_ERROR; | |
| 375 } | |
| 376 } | |
| 377 | |
| 378 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
| 379 if (elts == NULL) { | |
| 380 ngx_free(test); | |
| 381 return NGX_ERROR; | |
| 382 } | |
| 383 | |
| 384 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
| 385 | |
| 386 for (i = 0; i < size; i++) { | |
| 387 if (test[i] == sizeof(void *)) { | |
| 388 continue; | |
| 389 } | |
| 390 | |
| 391 buckets[i] = (ngx_hash_elt_t *) elts; | |
| 392 elts += test[i]; | |
| 393 | |
| 394 } | |
| 395 | |
| 396 for (i = 0; i < size; i++) { | |
| 397 test[i] = 0; | |
| 398 } | |
| 399 | |
| 400 for (n = 0; n < nelts; n++) { | |
| 401 if (names[n].key.data == NULL) { | |
| 402 continue; | |
| 403 } | |
| 404 | |
| 405 key = names[n].key_hash % size; | |
| 406 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
| 407 | |
| 408 elt->value = names[n].value; | |
| 409 elt->len = (u_char) names[n].key.len; | |
| 410 | |
| 2135 | 411 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
| 589 | 412 |
| 595 | 413 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
| 589 | 414 } |
| 415 | |
| 416 for (i = 0; i < size; i++) { | |
| 417 if (buckets[i] == NULL) { | |
| 418 continue; | |
| 419 } | |
| 420 | |
| 421 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
| 422 | |
| 423 elt->value = NULL; | |
| 424 } | |
| 425 | |
| 426 ngx_free(test); | |
| 427 | |
| 428 hinit->hash->buckets = buckets; | |
| 429 hinit->hash->size = size; | |
| 430 | |
| 431 #if 0 | |
| 432 | |
| 433 for (i = 0; i < size; i++) { | |
| 434 ngx_str_t val; | |
| 435 ngx_uint_t key; | |
| 436 | |
| 437 elt = buckets[i]; | |
| 438 | |
| 439 if (elt == NULL) { | |
| 440 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 441 "%ui: NULL", i); | |
| 442 continue; | |
| 443 } | |
| 444 | |
| 445 while (elt->value) { | |
| 446 val.len = elt->len; | |
| 447 val.data = &elt->name[0]; | |
| 448 | |
| 449 key = hinit->key(val.data, val.len); | |
| 450 | |
| 451 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 452 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
| 453 | |
| 454 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
| 455 sizeof(void *)); | |
| 456 } | |
| 457 } | |
| 458 | |
| 459 #endif | |
| 460 | |
| 461 return NGX_OK; | |
| 462 } | |
| 463 | |
| 464 | |
| 465 ngx_int_t | |
| 466 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
| 467 ngx_uint_t nelts) | |
| 468 { | |
| 593 | 469 size_t len, dot_len; |
| 591 | 470 ngx_uint_t i, n, dot; |
| 589 | 471 ngx_array_t curr_names, next_names; |
| 472 ngx_hash_key_t *name, *next_name; | |
| 473 ngx_hash_init_t h; | |
| 474 ngx_hash_wildcard_t *wdc; | |
| 475 | |
| 476 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
| 477 sizeof(ngx_hash_key_t)) | |
| 478 != NGX_OK) | |
| 479 { | |
| 480 return NGX_ERROR; | |
| 481 } | |
| 482 | |
| 483 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
| 484 sizeof(ngx_hash_key_t)) | |
| 485 != NGX_OK) | |
| 486 { | |
| 487 return NGX_ERROR; | |
| 488 } | |
| 489 | |
| 490 for (n = 0; n < nelts; n = i) { | |
| 491 | |
| 492 #if 0 | |
| 493 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 494 "wc0: \"%V\"", &names[n].key); | |
| 495 #endif | |
| 496 | |
| 591 | 497 dot = 0; |
| 498 | |
| 589 | 499 for (len = 0; len < names[n].key.len; len++) { |
| 500 if (names[n].key.data[len] == '.') { | |
| 591 | 501 dot = 1; |
| 589 | 502 break; |
| 503 } | |
| 504 } | |
| 505 | |
| 506 name = ngx_array_push(&curr_names); | |
| 507 if (name == NULL) { | |
| 508 return NGX_ERROR; | |
| 509 } | |
| 510 | |
| 591 | 511 name->key.len = len; |
| 589 | 512 name->key.data = names[n].key.data; |
| 513 name->key_hash = hinit->key(name->key.data, name->key.len); | |
| 514 name->value = names[n].value; | |
| 515 | |
| 516 #if 0 | |
| 517 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 593 | 518 "wc1: \"%V\" %ui", &name->key, dot); |
| 589 | 519 #endif |
| 520 | |
| 593 | 521 dot_len = len + 1; |
| 522 | |
| 591 | 523 if (dot) { |
| 524 len++; | |
| 525 } | |
| 526 | |
| 589 | 527 next_names.nelts = 0; |
| 528 | |
| 529 if (names[n].key.len != len) { | |
| 530 next_name = ngx_array_push(&next_names); | |
| 531 if (next_name == NULL) { | |
| 532 return NGX_ERROR; | |
| 533 } | |
| 534 | |
| 535 next_name->key.len = names[n].key.len - len; | |
| 536 next_name->key.data = names[n].key.data + len; | |
| 3118 | 537 next_name->key_hash = 0; |
| 589 | 538 next_name->value = names[n].value; |
| 539 | |
| 540 #if 0 | |
| 541 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 542 "wc2: \"%V\"", &next_name->key); | |
| 543 #endif | |
| 544 } | |
| 545 | |
| 546 for (i = n + 1; i < nelts; i++) { | |
| 547 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
| 548 break; | |
| 549 } | |
| 550 | |
| 593 | 551 if (!dot |
| 552 && names[i].key.len > len | |
| 553 && names[i].key.data[len] != '.') | |
| 554 { | |
| 555 break; | |
| 556 } | |
| 557 | |
| 589 | 558 next_name = ngx_array_push(&next_names); |
| 559 if (next_name == NULL) { | |
| 560 return NGX_ERROR; | |
| 561 } | |
| 562 | |
| 593 | 563 next_name->key.len = names[i].key.len - dot_len; |
| 564 next_name->key.data = names[i].key.data + dot_len; | |
| 3118 | 565 next_name->key_hash = 0; |
| 589 | 566 next_name->value = names[i].value; |
| 567 | |
| 568 #if 0 | |
| 569 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
| 591 | 570 "wc3: \"%V\"", &next_name->key); |
| 589 | 571 #endif |
| 572 } | |
| 573 | |
| 574 if (next_names.nelts) { | |
| 593 | 575 |
| 589 | 576 h = *hinit; |
| 577 h.hash = NULL; | |
| 578 | |
| 579 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
| 580 next_names.nelts) | |
| 581 != NGX_OK) | |
| 582 { | |
| 583 return NGX_ERROR; | |
| 584 } | |
| 585 | |
| 586 wdc = (ngx_hash_wildcard_t *) h.hash; | |
| 587 | |
| 588 if (names[n].key.len == len) { | |
| 589 wdc->value = names[n].value; | |
| 590 } | |
| 591 | |
|
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592 name->value = (void *) ((uintptr_t) wdc | (dot ? 3 : 2)); |
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593 |
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594 } else if (dot) { |
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595 name->value = (void *) ((uintptr_t) name->value | 1); |
| 589 | 596 } |
| 597 } | |
| 598 | |
| 599 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
| 600 curr_names.nelts) | |
| 601 != NGX_OK) | |
| 602 { | |
| 603 return NGX_ERROR; | |
| 604 } | |
| 605 | |
| 606 return NGX_OK; | |
| 607 } | |
| 608 | |
| 609 | |
| 610 ngx_uint_t | |
| 611 ngx_hash_key(u_char *data, size_t len) | |
| 612 { | |
| 613 ngx_uint_t i, key; | |
| 614 | |
| 615 key = 0; | |
| 616 | |
| 617 for (i = 0; i < len; i++) { | |
| 618 key = ngx_hash(key, data[i]); | |
| 619 } | |
| 620 | |
| 621 return key; | |
| 622 } | |
| 623 | |
| 624 | |
| 625 ngx_uint_t | |
| 626 ngx_hash_key_lc(u_char *data, size_t len) | |
| 627 { | |
| 628 ngx_uint_t i, key; | |
| 629 | |
| 630 key = 0; | |
| 631 | |
| 632 for (i = 0; i < len; i++) { | |
| 633 key = ngx_hash(key, ngx_tolower(data[i])); | |
| 634 } | |
| 635 | |
| 636 return key; | |
| 637 } | |
| 638 | |
| 639 | |
| 2136 | 640 ngx_uint_t |
| 641 ngx_hash_strlow(u_char *dst, u_char *src, size_t n) | |
| 642 { | |
| 643 ngx_uint_t key; | |
| 644 | |
| 645 key = 0; | |
| 646 | |
| 647 while (n--) { | |
| 648 *dst = ngx_tolower(*src); | |
| 649 key = ngx_hash(key, *dst); | |
| 650 dst++; | |
| 651 src++; | |
| 652 } | |
| 653 | |
| 654 return key; | |
| 655 } | |
| 656 | |
| 657 | |
| 589 | 658 ngx_int_t |
| 593 | 659 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
| 660 { | |
| 661 ngx_uint_t asize; | |
| 662 | |
| 663 if (type == NGX_HASH_SMALL) { | |
| 664 asize = 4; | |
| 665 ha->hsize = 107; | |
| 666 | |
| 667 } else { | |
| 668 asize = NGX_HASH_LARGE_ASIZE; | |
| 669 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
| 670 } | |
| 671 | |
| 672 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
| 673 != NGX_OK) | |
| 674 { | |
| 675 return NGX_ERROR; | |
| 676 } | |
| 677 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
678 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
679 sizeof(ngx_hash_key_t)) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
680 != NGX_OK) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
681 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
682 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
683 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
684 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
685 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
| 593 | 686 sizeof(ngx_hash_key_t)) |
| 687 != NGX_OK) | |
| 688 { | |
| 689 return NGX_ERROR; | |
| 690 } | |
| 691 | |
| 692 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
| 693 if (ha->keys_hash == NULL) { | |
| 694 return NGX_ERROR; | |
| 695 } | |
| 696 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
697 ha->dns_wc_head_hash = ngx_pcalloc(ha->temp_pool, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
698 sizeof(ngx_array_t) * ha->hsize); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
699 if (ha->dns_wc_head_hash == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
700 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
701 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
702 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
703 ha->dns_wc_tail_hash = ngx_pcalloc(ha->temp_pool, |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
704 sizeof(ngx_array_t) * ha->hsize); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
705 if (ha->dns_wc_tail_hash == NULL) { |
| 593 | 706 return NGX_ERROR; |
| 707 } | |
| 708 | |
| 709 return NGX_OK; | |
| 710 } | |
| 711 | |
| 712 | |
| 713 ngx_int_t | |
| 714 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
| 715 ngx_uint_t flags) | |
| 716 { | |
| 717 size_t len; | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
718 u_char *p; |
| 593 | 719 ngx_str_t *name; |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
720 ngx_uint_t i, k, n, skip, last; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 ngx_array_t *keys, *hwc; |
| 593 | 722 ngx_hash_key_t *hk; |
| 723 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
724 last = key->len; |
|
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 (flags & NGX_HASH_WILDCARD_KEY) { |
| 593 | 727 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
728 /* |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
729 * supported wildcards: |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
730 * "*.example.com", ".example.com", and "www.example.*" |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
731 */ |
| 593 | 732 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 n = 0; |
| 593 | 734 |
| 735 for (i = 0; i < key->len; i++) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
736 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
737 if (key->data[i] == '*') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
738 if (++n > 1) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 return NGX_DECLINED; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
740 } |
|
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] == '.' && key->data[i + 1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
744 return NGX_DECLINED; |
| 597 | 745 } |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
746 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
747 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
748 if (key->len > 1 && key->data[0] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
749 skip = 1; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
750 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
751 } |
|
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 if (key->len > 2) { |
|
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 if (key->data[0] == '*' && key->data[1] == '.') { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
756 skip = 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 goto wildcard; |
|
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 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
760 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
|
761 skip = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
762 last -= 2; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
763 goto wildcard; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
764 } |
| 593 | 765 } |
| 766 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
767 if (n) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 return NGX_DECLINED; |
|
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 } |
|
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 /* exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
773 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
774 k = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
775 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
776 for (i = 0; i < last; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
777 if (!(flags & NGX_HASH_READONLY_KEY)) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
778 key->data[i] = ngx_tolower(key->data[i]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
779 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
780 k = ngx_hash(k, key->data[i]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
781 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
782 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
784 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
785 /* check conflicts in exact hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
786 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
787 name = ha->keys_hash[k].elts; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
788 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
789 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
790 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
|
791 if (last != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
792 continue; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
794 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
795 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
|
796 return NGX_BUSY; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
797 } |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
798 } |
| 593 | 799 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 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
|
802 sizeof(ngx_str_t)) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
803 != NGX_OK) |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
804 { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
805 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
806 } |
|
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 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
809 name = ngx_array_push(&ha->keys_hash[k]); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
810 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
811 return NGX_ERROR; |
|
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 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
814 *name = *key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
815 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
816 hk = ngx_array_push(&ha->keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
817 if (hk == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
818 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
819 } |
|
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 hk->key = *key; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
822 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
|
823 hk->value = value; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
824 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
825 return NGX_OK; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
826 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
827 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
828 wildcard: |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
829 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
830 /* wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
831 |
| 2136 | 832 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
|
833 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
834 k %= ha->hsize; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
835 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
836 if (skip == 1) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
837 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
838 /* check conflicts in exact hash for ".example.com" */ |
| 593 | 839 |
| 840 name = ha->keys_hash[k].elts; | |
| 841 | |
| 842 if (name) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
843 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
844 |
| 593 | 845 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
|
846 if (len != name[i].len) { |
| 593 | 847 continue; |
| 848 } | |
| 849 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
850 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
| 593 | 851 return NGX_BUSY; |
| 852 } | |
| 853 } | |
| 854 | |
| 855 } else { | |
| 856 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
| 857 sizeof(ngx_str_t)) | |
| 858 != NGX_OK) | |
| 859 { | |
| 860 return NGX_ERROR; | |
| 861 } | |
| 862 } | |
| 863 | |
| 864 name = ngx_array_push(&ha->keys_hash[k]); | |
| 865 if (name == NULL) { | |
| 866 return NGX_ERROR; | |
| 867 } | |
| 868 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
869 name->len = last - 1; |
| 2049 | 870 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
|
871 if (name->data == NULL) { |
| 593 | 872 return NGX_ERROR; |
| 873 } | |
| 874 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
875 ngx_memcpy(name->data, &key->data[1], name->len); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
876 } |
| 593 | 877 |
| 878 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
879 if (skip) { |
| 593 | 880 |
| 881 /* | |
| 882 * convert "*.example.com" to "com.example.\0" | |
| 883 * and ".example.com" to "com.example\0" | |
| 884 */ | |
| 885 | |
| 2049 | 886 p = ngx_pnalloc(ha->temp_pool, last); |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
887 if (p == NULL) { |
| 619 | 888 return NGX_ERROR; |
| 889 } | |
| 890 | |
| 593 | 891 len = 0; |
| 892 n = 0; | |
| 893 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
894 for (i = last - 1; i; i--) { |
| 593 | 895 if (key->data[i] == '.') { |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
896 ngx_memcpy(&p[n], &key->data[i + 1], len); |
| 593 | 897 n += len; |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
898 p[n++] = '.'; |
| 593 | 899 len = 0; |
| 900 continue; | |
| 901 } | |
| 902 | |
| 903 len++; | |
| 904 } | |
| 905 | |
| 906 if (len) { | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
907 ngx_memcpy(&p[n], &key->data[1], len); |
| 593 | 908 n += len; |
| 909 } | |
| 910 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
911 p[n] = '\0'; |
| 619 | 912 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
913 hwc = &ha->dns_wc_head; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
914 keys = &ha->dns_wc_head_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
915 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
916 } else { |
| 619 | 917 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
918 /* convert "www.example.*" to "www.example\0" */ |
| 619 | 919 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
920 last++; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
921 |
| 2049 | 922 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:
1253
diff
changeset
|
923 if (p == NULL) { |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
924 return NGX_ERROR; |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
925 } |
|
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
926 |
| 1492 | 927 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:
1253
diff
changeset
|
928 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
929 hwc = &ha->dns_wc_tail; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
930 keys = &ha->dns_wc_tail_hash[k]; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
931 } |
| 593 | 932 |
| 933 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
934 hk = ngx_array_push(hwc); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
935 if (hk == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
936 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
937 } |
| 593 | 938 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
939 hk->key.len = last - 1; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
940 hk->key.data = p; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
941 hk->key_hash = 0; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
942 hk->value = value; |
| 593 | 943 |
| 944 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
945 /* check conflicts in wildcard hash */ |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
946 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
947 name = keys->elts; |
| 593 | 948 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
949 if (name) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
950 len = last - skip; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
951 |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
952 for (i = 0; i < keys->nelts; i++) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
953 if (len != name[i].len) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
954 continue; |
| 593 | 955 } |
| 956 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
957 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
|
958 return NGX_BUSY; |
| 593 | 959 } |
| 960 } | |
| 961 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
962 } else { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
963 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
|
964 { |
| 593 | 965 return NGX_ERROR; |
| 966 } | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
967 } |
| 593 | 968 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
969 name = ngx_array_push(keys); |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
970 if (name == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
971 return NGX_ERROR; |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
972 } |
| 619 | 973 |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
974 name->len = last - skip; |
| 2049 | 975 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
|
976 if (name->data == NULL) { |
|
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
977 return NGX_ERROR; |
| 593 | 978 } |
| 979 | |
|
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
980 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
|
981 |
| 593 | 982 return NGX_OK; |
| 983 } |