Mercurial > hg > nginx

annotate src/core/ngx_radix_tree.c @ 7660:d33e17499088

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 3be3de31d7dd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 2366
diff changeset
4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
6
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
4976
6b416e3bdd26 Fixed return type of internal function that allocates radix tree nodes.
Ruslan Ermilov <ru@nginx.com>
parents: 4823
diff changeset
12 static ngx_radix_node_t *ngx_radix_alloc(ngx_radix_tree_t *tree);
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
13
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
14
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
15 ngx_radix_tree_t *
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
16 ngx_radix_tree_create(ngx_pool_t *pool, ngx_int_t preallocate)
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
17 {
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
18 uint32_t key, mask, inc;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
19 ngx_radix_tree_t *tree;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
20
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
21 tree = ngx_palloc(pool, sizeof(ngx_radix_tree_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
22 if (tree == NULL) {
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
23 return NULL;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
24 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
25
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
26 tree->pool = pool;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
27 tree->free = NULL;
341
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
28 tree->start = NULL;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
29 tree->size = 0;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
30
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
31 tree->root = ngx_radix_alloc(tree);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
32 if (tree->root == NULL) {
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
33 return NULL;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
34 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
35
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
36 tree->root->right = NULL;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
37 tree->root->left = NULL;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
38 tree->root->parent = NULL;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
39 tree->root->value = NGX_RADIX_NO_VALUE;
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
40
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
41 if (preallocate == 0) {
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
42 return tree;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
43 }
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
44
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
45 /*
2366
3aa4fd0e7dc5 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 2221
diff changeset
46 * Preallocation of first nodes : 0, 1, 00, 01, 10, 11, 000, 001, etc.
3aa4fd0e7dc5 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 2221
diff changeset
47 * increases TLB hits even if for first lookup iterations.
3aa4fd0e7dc5 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 2221
diff changeset
48 * On 32-bit platforms the 7 preallocated bits takes continuous 4K,
3aa4fd0e7dc5 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 2221
diff changeset
49 * 8 - 8K, 9 - 16K, etc. On 64-bit platforms the 6 preallocated bits
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
50 * takes continuous 4K, 7 - 8K, 8 - 16K, etc. There is no sense to
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
51 * to preallocate more than one page, because further preallocation
2366
3aa4fd0e7dc5 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 2221
diff changeset
52 * distributes the only bit per page. Instead, a random insertion
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
53 * may distribute several bits per page.
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
54 *
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
55 * Thus, by default we preallocate maximum
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
56 * 6 bits on amd64 (64-bit platform and 4K pages)
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
57 * 7 bits on i386 (32-bit platform and 4K pages)
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
58 * 7 bits on sparc64 in 64-bit mode (8K pages)
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
59 * 8 bits on sparc64 in 32-bit mode (8K pages)
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
60 */
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
61
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
62 if (preallocate == -1) {
4823
efa334556803 Radix tree preallocation fix.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
63 switch (ngx_pagesize / sizeof(ngx_radix_node_t)) {
489
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
64
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
65 /* amd64 */
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
66 case 128:
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
67 preallocate = 6;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
68 break;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
69
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
70 /* i386, sparc64 */
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
71 case 256:
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
72 preallocate = 7;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
73 break;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
74
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
75 /* sparc64 in 32-bit mode */
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
76 default:
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
77 preallocate = 8;
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
78 }
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
79 }
45a460f82aec nginx-0.1.19-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
80
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
81 mask = 0;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
82 inc = 0x80000000;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
83
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
84 while (preallocate--) {
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
85
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
86 key = 0;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
87 mask >>= 1;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
88 mask |= 0x80000000;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
89
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
90 do {
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
91 if (ngx_radix32tree_insert(tree, key, mask, NGX_RADIX_NO_VALUE)
1130
119605405c4b style fix
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
92 != NGX_OK)
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
93 {
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
94 return NULL;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
95 }
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
96
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
97 key += inc;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
98
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
99 } while (key);
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
100
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
101 inc >>= 1;
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
102 }
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
103
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
104 return tree;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
105 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
106
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
107
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
108 ngx_int_t
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
109 ngx_radix32tree_insert(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask,
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
110 uintptr_t value)
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 uint32_t bit;
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
113 ngx_radix_node_t *node, *next;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
114
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
115 bit = 0x80000000;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
116
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
117 node = tree->root;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
118 next = tree->root;
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
119
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
120 while (bit & mask) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
121 if (key & bit) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
122 next = node->right;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
123
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
124 } else {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
125 next = node->left;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
126 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
127
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
128 if (next == NULL) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
129 break;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
130 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
131
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
132 bit >>= 1;
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
133 node = next;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
134 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
135
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
136 if (next) {
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
137 if (node->value != NGX_RADIX_NO_VALUE) {
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
138 return NGX_BUSY;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
139 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
140
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
141 node->value = value;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
142 return NGX_OK;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
143 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
144
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
145 while (bit & mask) {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
146 next = ngx_radix_alloc(tree);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
147 if (next == NULL) {
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
148 return NGX_ERROR;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
149 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
150
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
151 next->right = NULL;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
152 next->left = NULL;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
153 next->parent = node;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
154 next->value = NGX_RADIX_NO_VALUE;
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
155
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
156 if (key & bit) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
157 node->right = next;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
158
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
159 } else {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
160 node->left = next;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
161 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
162
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
163 bit >>= 1;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
164 node = next;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
165 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
166
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
167 node->value = value;
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
168
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
169 return NGX_OK;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
170 }
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
171
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
172
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
173 ngx_int_t
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
174 ngx_radix32tree_delete(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask)
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
175 {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
176 uint32_t bit;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
177 ngx_radix_node_t *node;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 bit = 0x80000000;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 node = tree->root;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 while (node && (bit & mask)) {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 if (key & bit) {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 node = node->right;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 } else {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 node = node->left;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 bit >>= 1;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
193 if (node == NULL) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
194 return NGX_ERROR;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
195 }
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
197 if (node->right || node->left) {
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
198 if (node->value != NGX_RADIX_NO_VALUE) {
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
199 node->value = NGX_RADIX_NO_VALUE;
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
200 return NGX_OK;
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
201 }
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
202
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
203 return NGX_ERROR;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
206 for ( ;; ) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
207 if (node->parent->right == node) {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
208 node->parent->right = NULL;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
209
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
210 } else {
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
211 node->parent->left = NULL;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
214 node->right = tree->free;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
215 tree->free = node;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
217 node = node->parent;
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
218
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
219 if (node->right || node->left) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
220 break;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
221 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
222
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
223 if (node->value != NGX_RADIX_NO_VALUE) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
224 break;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
225 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
226
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
227 if (node->parent == NULL) {
342
0ee0642af5f1 nginx-0.0.3-2004-05-26-23:33:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 341
diff changeset
228 break;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 return NGX_OK;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
236 uintptr_t
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
237 ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key)
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 uint32_t bit;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 uintptr_t value;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 ngx_radix_node_t *node;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 bit = 0x80000000;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
244 value = NGX_RADIX_NO_VALUE;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 node = tree->root;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247 while (node) {
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
248 if (node->value != NGX_RADIX_NO_VALUE) {
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 value = node->value;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 if (key & bit) {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 node = node->right;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 } else {
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 node = node->left;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 bit >>= 1;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262 return value;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265
4992
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
266 #if (NGX_HAVE_INET6)
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
267
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
268 ngx_int_t
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
269 ngx_radix128tree_insert(ngx_radix_tree_t *tree, u_char *key, u_char *mask,
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
270 uintptr_t value)
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
271 {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
272 u_char bit;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
273 ngx_uint_t i;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
274 ngx_radix_node_t *node, *next;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
275
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
276 i = 0;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
277 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
278
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
279 node = tree->root;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
280 next = tree->root;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
281
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
282 while (bit & mask[i]) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
283 if (key[i] & bit) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
284 next = node->right;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
285
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
286 } else {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
287 next = node->left;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
288 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
289
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
290 if (next == NULL) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
291 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
292 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
293
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
294 bit >>= 1;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
295 node = next;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
296
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
297 if (bit == 0) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
298 if (++i == 16) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
299 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
300 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
301
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
302 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
303 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
304 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
305
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
306 if (next) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
307 if (node->value != NGX_RADIX_NO_VALUE) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
308 return NGX_BUSY;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
309 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
310
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
311 node->value = value;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
312 return NGX_OK;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
313 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
314
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
315 while (bit & mask[i]) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
316 next = ngx_radix_alloc(tree);
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
317 if (next == NULL) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
318 return NGX_ERROR;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
319 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
320
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
321 next->right = NULL;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
322 next->left = NULL;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
323 next->parent = node;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
324 next->value = NGX_RADIX_NO_VALUE;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
325
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
326 if (key[i] & bit) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
327 node->right = next;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
328
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
329 } else {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
330 node->left = next;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
331 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
332
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
333 bit >>= 1;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
334 node = next;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
335
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
336 if (bit == 0) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
337 if (++i == 16) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
338 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
339 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
340
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
341 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
342 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
343 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
344
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
345 node->value = value;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
346
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
347 return NGX_OK;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
348 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
349
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
350
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
351 ngx_int_t
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
352 ngx_radix128tree_delete(ngx_radix_tree_t *tree, u_char *key, u_char *mask)
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
353 {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
354 u_char bit;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
355 ngx_uint_t i;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
356 ngx_radix_node_t *node;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
357
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
358 i = 0;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
359 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
360 node = tree->root;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
361
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
362 while (node && (bit & mask[i])) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
363 if (key[i] & bit) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
364 node = node->right;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
365
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
366 } else {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
367 node = node->left;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
368 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
369
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
370 bit >>= 1;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
371
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
372 if (bit == 0) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
373 if (++i == 16) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
374 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
375 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
376
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
377 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
378 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
379 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
380
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
381 if (node == NULL) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
382 return NGX_ERROR;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
383 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
384
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
385 if (node->right || node->left) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
386 if (node->value != NGX_RADIX_NO_VALUE) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
387 node->value = NGX_RADIX_NO_VALUE;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
388 return NGX_OK;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
389 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
390
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
391 return NGX_ERROR;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
392 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
393
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
394 for ( ;; ) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
395 if (node->parent->right == node) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
396 node->parent->right = NULL;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
397
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
398 } else {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
399 node->parent->left = NULL;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
400 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
401
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
402 node->right = tree->free;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
403 tree->free = node;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
404
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
405 node = node->parent;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
406
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
407 if (node->right || node->left) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
408 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
409 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
410
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
411 if (node->value != NGX_RADIX_NO_VALUE) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
412 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
413 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
414
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
415 if (node->parent == NULL) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
416 break;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
417 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
418 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
419
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
420 return NGX_OK;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
421 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
422
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
423
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
424 uintptr_t
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
425 ngx_radix128tree_find(ngx_radix_tree_t *tree, u_char *key)
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
426 {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
427 u_char bit;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
428 uintptr_t value;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
429 ngx_uint_t i;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
430 ngx_radix_node_t *node;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
431
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
432 i = 0;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
433 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
434 value = NGX_RADIX_NO_VALUE;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
435 node = tree->root;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
436
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
437 while (node) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
438 if (node->value != NGX_RADIX_NO_VALUE) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
439 value = node->value;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
440 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
441
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
442 if (key[i] & bit) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
443 node = node->right;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
444
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
445 } else {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
446 node = node->left;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
447 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
448
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
449 bit >>= 1;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
450
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
451 if (bit == 0) {
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
452 i++;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
453 bit = 0x80;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
454 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
455 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
456
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
457 return value;
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
458 }
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
459
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
460 #endif
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
461
3be3de31d7dd Geo: IPv6 support.
Ruslan Ermilov <ru@nginx.com>
parents: 4976
diff changeset
462
4976
6b416e3bdd26 Fixed return type of internal function that allocates radix tree nodes.
Ruslan Ermilov <ru@nginx.com>
parents: 4823
diff changeset
463 static ngx_radix_node_t *
487
31ff3e943e16 nginx-0.1.18-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 485
diff changeset
464 ngx_radix_alloc(ngx_radix_tree_t *tree)
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
465 {
4976
6b416e3bdd26 Fixed return type of internal function that allocates radix tree nodes.
Ruslan Ermilov <ru@nginx.com>
parents: 4823
diff changeset
466 ngx_radix_node_t *p;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
467
341
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
468 if (tree->free) {
4976
6b416e3bdd26 Fixed return type of internal function that allocates radix tree nodes.
Ruslan Ermilov <ru@nginx.com>
parents: 4823
diff changeset
469 p = tree->free;
341
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
470 tree->free = tree->free->right;
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
471 return p;
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
472 }
41e552841296 nginx-0.0.3-2004-05-26-19:30:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 340
diff changeset
473
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
474 if (tree->size < sizeof(ngx_radix_node_t)) {
2221
78415b0469bc use ngx_pmemalign() to allocate radix pages
Igor Sysoev <igor@sysoev.ru>
parents: 1130
diff changeset
475 tree->start = ngx_pmemalign(tree->pool, ngx_pagesize, ngx_pagesize);
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
476 if (tree->start == NULL) {
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
477 return NULL;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
478 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
479
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 342
diff changeset
480 tree->size = ngx_pagesize;
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
481 }
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
482
4976
6b416e3bdd26 Fixed return type of internal function that allocates radix tree nodes.
Ruslan Ermilov <ru@nginx.com>
parents: 4823
diff changeset
483 p = (ngx_radix_node_t *) tree->start;
485
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
484 tree->start += sizeof(ngx_radix_node_t);
4ebe09b07e30 nginx-0.1.17-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
485 tree->size -= sizeof(ngx_radix_node_t);
340
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
486
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
487 return p;
0bf903191ceb nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
488 }