Mercurial > hg > nginx-quic
annotate src/core/ngx_hash.c @ 5142:afea5259e05c
Upstream: fixed tcp_nodelay with connection upgrade (ticket #325).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 27 Mar 2013 15:18:34 +0000 |
parents | d2ed9fee092b |
children | c348dea081fb |
rev | line source |
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507 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
507 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 | |
11 | |
589 | 12 void * |
13 ngx_hash_find(ngx_hash_t *hash, ngx_uint_t key, u_char *name, size_t len) | |
14 { | |
15 ngx_uint_t i; | |
16 ngx_hash_elt_t *elt; | |
17 | |
18 #if 0 | |
2155 | 19 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "hf:\"%*s\"", len, name); |
589 | 20 #endif |
21 | |
22 elt = hash->buckets[key % hash->size]; | |
23 | |
24 if (elt == NULL) { | |
25 return NULL; | |
26 } | |
27 | |
28 while (elt->value) { | |
29 if (len != (size_t) elt->len) { | |
30 goto next; | |
31 } | |
32 | |
33 for (i = 0; i < len; i++) { | |
34 if (name[i] != elt->name[i]) { | |
35 goto next; | |
36 } | |
37 } | |
38 | |
39 return elt->value; | |
40 | |
41 next: | |
42 | |
43 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
44 sizeof(void *)); | |
45 continue; | |
46 } | |
47 | |
48 return NULL; | |
49 } | |
50 | |
51 | |
52 void * | |
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53 ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
589 | 54 { |
55 void *value; | |
56 ngx_uint_t i, n, key; | |
57 | |
58 #if 0 | |
2155 | 59 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wch:\"%*s\"", len, name); |
589 | 60 #endif |
61 | |
62 n = len; | |
63 | |
64 while (n) { | |
65 if (name[n - 1] == '.') { | |
66 break; | |
67 } | |
68 | |
69 n--; | |
70 } | |
71 | |
72 key = 0; | |
73 | |
74 for (i = n; i < len; i++) { | |
75 key = ngx_hash(key, name[i]); | |
76 } | |
77 | |
78 #if 0 | |
79 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); | |
80 #endif | |
81 | |
82 value = ngx_hash_find(&hwc->hash, key, &name[n], len - n); | |
83 | |
2149 | 84 #if 0 |
85 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
86 #endif | |
87 | |
589 | 88 if (value) { |
591 | 89 |
90 /* | |
91 * the 2 low bits of value have the special meaning: | |
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92 * 00 - value is data pointer for both "example.com" |
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93 * and "*.example.com"; |
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94 * 01 - value is data pointer for "*.example.com" only; |
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95 * 10 - value is pointer to wildcard hash allowing |
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96 * both "example.com" and "*.example.com"; |
591 | 97 * 11 - value is pointer to wildcard hash allowing |
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98 * "*.example.com" only. |
591 | 99 */ |
100 | |
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101 if ((uintptr_t) value & 2) { |
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102 |
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103 if (n == 0) { |
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104 |
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105 /* "example.com" */ |
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106 |
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107 if ((uintptr_t) value & 1) { |
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108 return NULL; |
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109 } |
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110 |
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111 hwc = (ngx_hash_wildcard_t *) |
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112 ((uintptr_t) value & (uintptr_t) ~3); |
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113 return hwc->value; |
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114 } |
591 | 115 |
116 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); | |
117 | |
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118 value = ngx_hash_find_wc_head(hwc, name, n - 1); |
589 | 119 |
120 if (value) { | |
121 return value; | |
122 } | |
123 | |
124 return hwc->value; | |
125 } | |
126 | |
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127 if ((uintptr_t) value & 1) { |
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128 |
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129 if (n == 0) { |
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130 |
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131 /* "example.com" */ |
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132 |
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133 return NULL; |
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134 } |
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135 |
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136 return (void *) ((uintptr_t) value & (uintptr_t) ~3); |
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137 } |
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138 |
589 | 139 return value; |
140 } | |
141 | |
142 return hwc->value; | |
143 } | |
144 | |
145 | |
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146 void * |
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147 ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len) |
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148 { |
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149 void *value; |
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150 ngx_uint_t i, key; |
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151 |
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152 #if 0 |
2155 | 153 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "wct:\"%*s\"", len, name); |
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154 #endif |
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155 |
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156 key = 0; |
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157 |
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158 for (i = 0; i < len; i++) { |
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159 if (name[i] == '.') { |
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160 break; |
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161 } |
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162 |
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163 key = ngx_hash(key, name[i]); |
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164 } |
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165 |
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166 if (i == len) { |
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167 return NULL; |
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168 } |
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169 |
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170 #if 0 |
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171 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "key:\"%ui\"", key); |
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172 #endif |
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173 |
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174 value = ngx_hash_find(&hwc->hash, key, name, i); |
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175 |
2155 | 176 #if 0 |
177 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, "value:\"%p\"", value); | |
178 #endif | |
179 | |
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180 if (value) { |
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181 |
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182 /* |
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183 * the 2 low bits of value have the special meaning: |
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184 * 00 - value is data pointer; |
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185 * 11 - value is pointer to wildcard hash allowing "example.*". |
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186 */ |
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187 |
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188 if ((uintptr_t) value & 2) { |
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189 |
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190 i++; |
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191 |
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192 hwc = (ngx_hash_wildcard_t *) ((uintptr_t) value & (uintptr_t) ~3); |
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193 |
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194 value = ngx_hash_find_wc_tail(hwc, &name[i], len - i); |
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195 |
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196 if (value) { |
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197 return value; |
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198 } |
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199 |
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200 return hwc->value; |
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201 } |
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202 |
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203 return value; |
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204 } |
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205 |
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206 return hwc->value; |
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207 } |
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208 |
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209 |
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210 void * |
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211 ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, u_char *name, |
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212 size_t len) |
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213 { |
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214 void *value; |
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215 |
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216 if (hash->hash.buckets) { |
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217 value = ngx_hash_find(&hash->hash, key, name, len); |
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218 |
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219 if (value) { |
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220 return value; |
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221 } |
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222 } |
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223 |
2195 | 224 if (len == 0) { |
225 return NULL; | |
226 } | |
227 | |
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228 if (hash->wc_head && hash->wc_head->hash.buckets) { |
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229 value = ngx_hash_find_wc_head(hash->wc_head, name, len); |
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230 |
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231 if (value) { |
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232 return value; |
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233 } |
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234 } |
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235 |
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236 if (hash->wc_tail && hash->wc_tail->hash.buckets) { |
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237 value = ngx_hash_find_wc_tail(hash->wc_tail, name, len); |
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238 |
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239 if (value) { |
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240 return value; |
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241 } |
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242 } |
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243 |
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244 return NULL; |
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245 } |
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246 |
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247 |
589 | 248 #define NGX_HASH_ELT_SIZE(name) \ |
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249 (sizeof(void *) + ngx_align((name)->key.len + 2, sizeof(void *))) |
589 | 250 |
507 | 251 ngx_int_t |
589 | 252 ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts) |
253 { | |
254 u_char *elts; | |
595 | 255 size_t len; |
256 u_short *test; | |
589 | 257 ngx_uint_t i, n, key, size, start, bucket_size; |
258 ngx_hash_elt_t *elt, **buckets; | |
259 | |
260 for (n = 0; n < nelts; n++) { | |
261 if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *)) | |
262 { | |
263 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 264 "could not build the %s, you should " |
589 | 265 "increase %s_bucket_size: %i", |
266 hinit->name, hinit->name, hinit->bucket_size); | |
267 return NGX_ERROR; | |
268 } | |
269 } | |
270 | |
595 | 271 test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log); |
589 | 272 if (test == NULL) { |
273 return NGX_ERROR; | |
274 } | |
275 | |
631 | 276 bucket_size = hinit->bucket_size - sizeof(void *); |
277 | |
746 | 278 start = nelts / (bucket_size / (2 * sizeof(void *))); |
589 | 279 start = start ? start : 1; |
280 | |
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281 if (hinit->max_size > 10000 && nelts && hinit->max_size / nelts < 100) { |
631 | 282 start = hinit->max_size - 1000; |
283 } | |
589 | 284 |
285 for (size = start; size < hinit->max_size; size++) { | |
286 | |
595 | 287 ngx_memzero(test, size * sizeof(u_short)); |
589 | 288 |
289 for (n = 0; n < nelts; n++) { | |
290 if (names[n].key.data == NULL) { | |
291 continue; | |
292 } | |
293 | |
294 key = names[n].key_hash % size; | |
595 | 295 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 296 |
297 #if 0 | |
298 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
299 "%ui: %ui %ui \"%V\"", | |
300 size, key, test[key], &names[n].key); | |
301 #endif | |
302 | |
595 | 303 if (test[key] > (u_short) bucket_size) { |
589 | 304 goto next; |
305 } | |
306 } | |
307 | |
308 goto found; | |
309 | |
310 next: | |
311 | |
312 continue; | |
313 } | |
314 | |
315 ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0, | |
595 | 316 "could not build the %s, you should increase " |
589 | 317 "either %s_max_size: %i or %s_bucket_size: %i", |
318 hinit->name, hinit->name, hinit->max_size, | |
319 hinit->name, hinit->bucket_size); | |
320 | |
321 ngx_free(test); | |
322 | |
323 return NGX_ERROR; | |
324 | |
325 found: | |
326 | |
327 for (i = 0; i < size; i++) { | |
328 test[i] = sizeof(void *); | |
329 } | |
330 | |
331 for (n = 0; n < nelts; n++) { | |
332 if (names[n].key.data == NULL) { | |
333 continue; | |
334 } | |
335 | |
336 key = names[n].key_hash % size; | |
595 | 337 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 338 } |
339 | |
340 len = 0; | |
341 | |
342 for (i = 0; i < size; i++) { | |
343 if (test[i] == sizeof(void *)) { | |
344 continue; | |
345 } | |
346 | |
595 | 347 test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size)); |
589 | 348 |
349 len += test[i]; | |
350 } | |
351 | |
352 if (hinit->hash == NULL) { | |
353 hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t) | |
354 + size * sizeof(ngx_hash_elt_t *)); | |
355 if (hinit->hash == NULL) { | |
356 ngx_free(test); | |
357 return NGX_ERROR; | |
358 } | |
359 | |
360 buckets = (ngx_hash_elt_t **) | |
361 ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t)); | |
362 | |
363 } else { | |
364 buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *)); | |
365 if (buckets == NULL) { | |
366 ngx_free(test); | |
367 return NGX_ERROR; | |
368 } | |
369 } | |
370 | |
371 elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size); | |
372 if (elts == NULL) { | |
373 ngx_free(test); | |
374 return NGX_ERROR; | |
375 } | |
376 | |
377 elts = ngx_align_ptr(elts, ngx_cacheline_size); | |
378 | |
379 for (i = 0; i < size; i++) { | |
380 if (test[i] == sizeof(void *)) { | |
381 continue; | |
382 } | |
383 | |
384 buckets[i] = (ngx_hash_elt_t *) elts; | |
385 elts += test[i]; | |
386 | |
387 } | |
388 | |
389 for (i = 0; i < size; i++) { | |
390 test[i] = 0; | |
391 } | |
392 | |
393 for (n = 0; n < nelts; n++) { | |
394 if (names[n].key.data == NULL) { | |
395 continue; | |
396 } | |
397 | |
398 key = names[n].key_hash % size; | |
399 elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]); | |
400 | |
401 elt->value = names[n].value; | |
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402 elt->len = (u_short) names[n].key.len; |
589 | 403 |
2135 | 404 ngx_strlow(elt->name, names[n].key.data, names[n].key.len); |
589 | 405 |
595 | 406 test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n])); |
589 | 407 } |
408 | |
409 for (i = 0; i < size; i++) { | |
410 if (buckets[i] == NULL) { | |
411 continue; | |
412 } | |
413 | |
414 elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]); | |
415 | |
416 elt->value = NULL; | |
417 } | |
418 | |
419 ngx_free(test); | |
420 | |
421 hinit->hash->buckets = buckets; | |
422 hinit->hash->size = size; | |
423 | |
424 #if 0 | |
425 | |
426 for (i = 0; i < size; i++) { | |
427 ngx_str_t val; | |
428 ngx_uint_t key; | |
429 | |
430 elt = buckets[i]; | |
431 | |
432 if (elt == NULL) { | |
433 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
434 "%ui: NULL", i); | |
435 continue; | |
436 } | |
437 | |
438 while (elt->value) { | |
439 val.len = elt->len; | |
440 val.data = &elt->name[0]; | |
441 | |
442 key = hinit->key(val.data, val.len); | |
443 | |
444 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
445 "%ui: %p \"%V\" %ui", i, elt, &val, key); | |
446 | |
447 elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len, | |
448 sizeof(void *)); | |
449 } | |
450 } | |
451 | |
452 #endif | |
453 | |
454 return NGX_OK; | |
455 } | |
456 | |
457 | |
458 ngx_int_t | |
459 ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
460 ngx_uint_t nelts) | |
461 { | |
593 | 462 size_t len, dot_len; |
591 | 463 ngx_uint_t i, n, dot; |
589 | 464 ngx_array_t curr_names, next_names; |
465 ngx_hash_key_t *name, *next_name; | |
466 ngx_hash_init_t h; | |
467 ngx_hash_wildcard_t *wdc; | |
468 | |
469 if (ngx_array_init(&curr_names, hinit->temp_pool, nelts, | |
470 sizeof(ngx_hash_key_t)) | |
471 != NGX_OK) | |
472 { | |
473 return NGX_ERROR; | |
474 } | |
475 | |
476 if (ngx_array_init(&next_names, hinit->temp_pool, nelts, | |
477 sizeof(ngx_hash_key_t)) | |
478 != NGX_OK) | |
479 { | |
480 return NGX_ERROR; | |
481 } | |
482 | |
483 for (n = 0; n < nelts; n = i) { | |
484 | |
485 #if 0 | |
486 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
487 "wc0: \"%V\"", &names[n].key); | |
488 #endif | |
489 | |
591 | 490 dot = 0; |
491 | |
589 | 492 for (len = 0; len < names[n].key.len; len++) { |
493 if (names[n].key.data[len] == '.') { | |
591 | 494 dot = 1; |
589 | 495 break; |
496 } | |
497 } | |
498 | |
499 name = ngx_array_push(&curr_names); | |
500 if (name == NULL) { | |
501 return NGX_ERROR; | |
502 } | |
503 | |
591 | 504 name->key.len = len; |
589 | 505 name->key.data = names[n].key.data; |
506 name->key_hash = hinit->key(name->key.data, name->key.len); | |
507 name->value = names[n].value; | |
508 | |
509 #if 0 | |
510 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
593 | 511 "wc1: \"%V\" %ui", &name->key, dot); |
589 | 512 #endif |
513 | |
593 | 514 dot_len = len + 1; |
515 | |
591 | 516 if (dot) { |
517 len++; | |
518 } | |
519 | |
589 | 520 next_names.nelts = 0; |
521 | |
522 if (names[n].key.len != len) { | |
523 next_name = ngx_array_push(&next_names); | |
524 if (next_name == NULL) { | |
525 return NGX_ERROR; | |
526 } | |
527 | |
528 next_name->key.len = names[n].key.len - len; | |
529 next_name->key.data = names[n].key.data + len; | |
3118 | 530 next_name->key_hash = 0; |
589 | 531 next_name->value = names[n].value; |
532 | |
533 #if 0 | |
534 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
535 "wc2: \"%V\"", &next_name->key); | |
536 #endif | |
537 } | |
538 | |
539 for (i = n + 1; i < nelts; i++) { | |
540 if (ngx_strncmp(names[n].key.data, names[i].key.data, len) != 0) { | |
541 break; | |
542 } | |
543 | |
593 | 544 if (!dot |
545 && names[i].key.len > len | |
546 && names[i].key.data[len] != '.') | |
547 { | |
548 break; | |
549 } | |
550 | |
589 | 551 next_name = ngx_array_push(&next_names); |
552 if (next_name == NULL) { | |
553 return NGX_ERROR; | |
554 } | |
555 | |
593 | 556 next_name->key.len = names[i].key.len - dot_len; |
557 next_name->key.data = names[i].key.data + dot_len; | |
3118 | 558 next_name->key_hash = 0; |
589 | 559 next_name->value = names[i].value; |
560 | |
561 #if 0 | |
562 ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0, | |
591 | 563 "wc3: \"%V\"", &next_name->key); |
589 | 564 #endif |
565 } | |
566 | |
567 if (next_names.nelts) { | |
593 | 568 |
589 | 569 h = *hinit; |
570 h.hash = NULL; | |
571 | |
572 if (ngx_hash_wildcard_init(&h, (ngx_hash_key_t *) next_names.elts, | |
573 next_names.nelts) | |
574 != NGX_OK) | |
575 { | |
576 return NGX_ERROR; | |
577 } | |
578 | |
579 wdc = (ngx_hash_wildcard_t *) h.hash; | |
580 | |
581 if (names[n].key.len == len) { | |
582 wdc->value = names[n].value; | |
583 } | |
584 | |
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585 name->value = (void *) ((uintptr_t) wdc | (dot ? 3 : 2)); |
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587 } else if (dot) { |
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588 name->value = (void *) ((uintptr_t) name->value | 1); |
589 | 589 } |
590 } | |
591 | |
592 if (ngx_hash_init(hinit, (ngx_hash_key_t *) curr_names.elts, | |
593 curr_names.nelts) | |
594 != NGX_OK) | |
595 { | |
596 return NGX_ERROR; | |
597 } | |
598 | |
599 return NGX_OK; | |
600 } | |
601 | |
602 | |
603 ngx_uint_t | |
604 ngx_hash_key(u_char *data, size_t len) | |
605 { | |
606 ngx_uint_t i, key; | |
607 | |
608 key = 0; | |
609 | |
610 for (i = 0; i < len; i++) { | |
611 key = ngx_hash(key, data[i]); | |
612 } | |
613 | |
614 return key; | |
615 } | |
616 | |
617 | |
618 ngx_uint_t | |
619 ngx_hash_key_lc(u_char *data, size_t len) | |
620 { | |
621 ngx_uint_t i, key; | |
622 | |
623 key = 0; | |
624 | |
625 for (i = 0; i < len; i++) { | |
626 key = ngx_hash(key, ngx_tolower(data[i])); | |
627 } | |
628 | |
629 return key; | |
630 } | |
631 | |
632 | |
2136 | 633 ngx_uint_t |
634 ngx_hash_strlow(u_char *dst, u_char *src, size_t n) | |
635 { | |
636 ngx_uint_t key; | |
637 | |
638 key = 0; | |
639 | |
640 while (n--) { | |
641 *dst = ngx_tolower(*src); | |
642 key = ngx_hash(key, *dst); | |
643 dst++; | |
644 src++; | |
645 } | |
646 | |
647 return key; | |
648 } | |
649 | |
650 | |
589 | 651 ngx_int_t |
593 | 652 ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type) |
653 { | |
654 ngx_uint_t asize; | |
655 | |
656 if (type == NGX_HASH_SMALL) { | |
657 asize = 4; | |
658 ha->hsize = 107; | |
659 | |
660 } else { | |
661 asize = NGX_HASH_LARGE_ASIZE; | |
662 ha->hsize = NGX_HASH_LARGE_HSIZE; | |
663 } | |
664 | |
665 if (ngx_array_init(&ha->keys, ha->temp_pool, asize, sizeof(ngx_hash_key_t)) | |
666 != NGX_OK) | |
667 { | |
668 return NGX_ERROR; | |
669 } | |
670 | |
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671 if (ngx_array_init(&ha->dns_wc_head, ha->temp_pool, asize, |
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672 sizeof(ngx_hash_key_t)) |
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673 != NGX_OK) |
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674 { |
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675 return NGX_ERROR; |
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676 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
677 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
678 if (ngx_array_init(&ha->dns_wc_tail, ha->temp_pool, asize, |
593 | 679 sizeof(ngx_hash_key_t)) |
680 != NGX_OK) | |
681 { | |
682 return NGX_ERROR; | |
683 } | |
684 | |
685 ha->keys_hash = ngx_pcalloc(ha->temp_pool, sizeof(ngx_array_t) * ha->hsize); | |
686 if (ha->keys_hash == NULL) { | |
687 return NGX_ERROR; | |
688 } | |
689 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
690 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
|
691 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
692 if (ha->dns_wc_head_hash == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
693 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
694 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
695 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
696 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
|
697 sizeof(ngx_array_t) * ha->hsize); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
698 if (ha->dns_wc_tail_hash == NULL) { |
593 | 699 return NGX_ERROR; |
700 } | |
701 | |
702 return NGX_OK; | |
703 } | |
704 | |
705 | |
706 ngx_int_t | |
707 ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value, | |
708 ngx_uint_t flags) | |
709 { | |
710 size_t len; | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
711 u_char *p; |
593 | 712 ngx_str_t *name; |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
713 ngx_uint_t i, k, n, skip, last; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
714 ngx_array_t *keys, *hwc; |
593 | 715 ngx_hash_key_t *hk; |
716 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
717 last = key->len; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
718 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
719 if (flags & NGX_HASH_WILDCARD_KEY) { |
593 | 720 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
721 /* |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
722 * supported wildcards: |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
723 * "*.example.com", ".example.com", and "www.example.*" |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
724 */ |
593 | 725 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
726 n = 0; |
593 | 727 |
728 for (i = 0; i < key->len; i++) { | |
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 if (key->data[i] == '*') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
731 if (++n > 1) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
732 return NGX_DECLINED; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
733 } |
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->data[i] == '.' && key->data[i + 1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
737 return NGX_DECLINED; |
597 | 738 } |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
739 } |
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 if (key->len > 1 && key->data[0] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
742 skip = 1; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
743 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
744 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
745 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
746 if (key->len > 2) { |
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->data[0] == '*' && key->data[1] == '.') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
749 skip = 2; |
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->data[i - 2] == '.' && key->data[i - 1] == '*') { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
754 skip = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
755 last -= 2; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
756 goto wildcard; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
757 } |
593 | 758 } |
759 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
760 if (n) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
761 return NGX_DECLINED; |
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 } |
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 /* exact hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
766 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
767 k = 0; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
768 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
769 for (i = 0; i < last; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
770 if (!(flags & NGX_HASH_READONLY_KEY)) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
771 key->data[i] = ngx_tolower(key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
772 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
773 k = ngx_hash(k, key->data[i]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
774 } |
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 k %= ha->hsize; |
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 /* check conflicts in exact hash */ |
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 name = ha->keys_hash[k].elts; |
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 if (name) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
783 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
|
784 if (last != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
785 continue; |
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 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
788 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
|
789 return NGX_BUSY; |
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 } |
593 | 792 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
793 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
794 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
|
795 sizeof(ngx_str_t)) |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
796 != NGX_OK) |
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 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
799 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
800 } |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
801 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
802 name = ngx_array_push(&ha->keys_hash[k]); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
803 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
804 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
805 } |
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 *name = *key; |
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 hk = ngx_array_push(&ha->keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
810 if (hk == 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 hk->key = *key; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
815 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
|
816 hk->value = value; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
817 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
818 return NGX_OK; |
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 wildcard: |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
822 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
823 /* wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
824 |
2136 | 825 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
|
826 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
827 k %= ha->hsize; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
828 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
829 if (skip == 1) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
830 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
831 /* check conflicts in exact hash for ".example.com" */ |
593 | 832 |
833 name = ha->keys_hash[k].elts; | |
834 | |
835 if (name) { | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
836 len = last - skip; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
837 |
593 | 838 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
|
839 if (len != name[i].len) { |
593 | 840 continue; |
841 } | |
842 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
843 if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) { |
593 | 844 return NGX_BUSY; |
845 } | |
846 } | |
847 | |
848 } else { | |
849 if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4, | |
850 sizeof(ngx_str_t)) | |
851 != NGX_OK) | |
852 { | |
853 return NGX_ERROR; | |
854 } | |
855 } | |
856 | |
857 name = ngx_array_push(&ha->keys_hash[k]); | |
858 if (name == NULL) { | |
859 return NGX_ERROR; | |
860 } | |
861 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
862 name->len = last - 1; |
2049 | 863 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
|
864 if (name->data == NULL) { |
593 | 865 return NGX_ERROR; |
866 } | |
867 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
868 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
|
869 } |
593 | 870 |
871 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
872 if (skip) { |
593 | 873 |
874 /* | |
875 * convert "*.example.com" to "com.example.\0" | |
876 * and ".example.com" to "com.example\0" | |
877 */ | |
878 | |
2049 | 879 p = ngx_pnalloc(ha->temp_pool, last); |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
880 if (p == NULL) { |
619 | 881 return NGX_ERROR; |
882 } | |
883 | |
593 | 884 len = 0; |
885 n = 0; | |
886 | |
1253
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the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
887 for (i = last - 1; i; i--) { |
593 | 888 if (key->data[i] == '.') { |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
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changeset
|
889 ngx_memcpy(&p[n], &key->data[i + 1], len); |
593 | 890 n += len; |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
891 p[n++] = '.'; |
593 | 892 len = 0; |
893 continue; | |
894 } | |
895 | |
896 len++; | |
897 } | |
898 | |
899 if (len) { | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
900 ngx_memcpy(&p[n], &key->data[1], len); |
593 | 901 n += len; |
902 } | |
903 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
904 p[n] = '\0'; |
619 | 905 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
906 hwc = &ha->dns_wc_head; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
907 keys = &ha->dns_wc_head_hash[k]; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
908 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
909 } else { |
619 | 910 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
911 /* convert "www.example.*" to "www.example\0" */ |
619 | 912 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
913 last++; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
914 |
2049 | 915 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
|
916 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
|
917 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
|
918 } |
d83687d29853
fix trailing wildcard when two or more listen used in one server
Igor Sysoev <igor@sysoev.ru>
parents:
1253
diff
changeset
|
919 |
1492 | 920 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
|
921 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
922 hwc = &ha->dns_wc_tail; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
923 keys = &ha->dns_wc_tail_hash[k]; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
924 } |
593 | 925 |
926 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
927 /* check conflicts in wildcard hash */ |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
928 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
929 name = keys->elts; |
593 | 930 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
931 if (name) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
932 len = last - skip; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
933 |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
934 for (i = 0; i < keys->nelts; i++) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
935 if (len != name[i].len) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
936 continue; |
593 | 937 } |
938 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
939 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
|
940 return NGX_BUSY; |
593 | 941 } |
942 } | |
943 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
944 } else { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
945 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
|
946 { |
593 | 947 return NGX_ERROR; |
948 } | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
949 } |
593 | 950 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
951 name = ngx_array_push(keys); |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
952 if (name == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
953 return NGX_ERROR; |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
954 } |
619 | 955 |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
956 name->len = last - skip; |
2049 | 957 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
|
958 if (name->data == NULL) { |
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
959 return NGX_ERROR; |
593 | 960 } |
961 | |
1253
8ef04207c84f
the "www.example.*" wildcard hash support
Igor Sysoev <igor@sysoev.ru>
parents:
746
diff
changeset
|
962 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
|
963 |
4689
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
964 |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
965 /* add to wildcard hash */ |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
966 |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
967 hk = ngx_array_push(hwc); |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
968 if (hk == NULL) { |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
969 return NGX_ERROR; |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
970 } |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
971 |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
972 hk->key.len = last - 1; |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
973 hk->key.data = p; |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
974 hk->key_hash = 0; |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
975 hk->value = value; |
d2ed9fee092b
Fixed handling of conflicting wildcard server names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
976 |
593 | 977 return NGX_OK; |
978 } |