Mercurial > hg > nginx-quic
annotate src/core/ngx_rbtree.h @ 8546:d80365ca678d quic
HTTP/3: require mandatory uni streams before additional ones.
As per quic-http-34:
Endpoints SHOULD create the HTTP control stream as well as the
unidirectional streams required by mandatory extensions (such as the
QPACK encoder and decoder streams) first, and then create additional
streams as allowed by their peer.
Previously, client could create and destroy additional uni streams unlimited
number of times before creating mandatory streams.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 29 Jul 2021 10:03:36 +0300 |
parents | 0c5e84096d99 |
children |
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:
209
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:
209
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 | 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:
209
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:
209
diff
changeset
|
6 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
209
diff
changeset
|
7 |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #ifndef _NGX_RBTREE_H_INCLUDED_ |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #define _NGX_RBTREE_H_INCLUDED_ |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
12 #include <ngx_config.h> |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
13 #include <ngx_core.h> |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
14 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
15 |
557 | 16 typedef ngx_uint_t ngx_rbtree_key_t; |
17 typedef ngx_int_t ngx_rbtree_key_int_t; | |
18 | |
19 | |
559 | 20 typedef struct ngx_rbtree_node_s ngx_rbtree_node_t; |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 |
559 | 22 struct ngx_rbtree_node_s { |
23 ngx_rbtree_key_t key; | |
24 ngx_rbtree_node_t *left; | |
25 ngx_rbtree_node_t *right; | |
26 ngx_rbtree_node_t *parent; | |
853 | 27 u_char color; |
28 u_char data; | |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
29 }; |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
30 |
207
6e0fef527732
nginx-0.0.1-2003-12-05-20:07:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
206
diff
changeset
|
31 |
559 | 32 typedef struct ngx_rbtree_s ngx_rbtree_t; |
33 | |
853 | 34 typedef void (*ngx_rbtree_insert_pt) (ngx_rbtree_node_t *root, |
559 | 35 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
36 | |
37 struct ngx_rbtree_s { | |
38 ngx_rbtree_node_t *root; | |
39 ngx_rbtree_node_t *sentinel; | |
853 | 40 ngx_rbtree_insert_pt insert; |
559 | 41 }; |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
42 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
43 |
1686 | 44 #define ngx_rbtree_init(tree, s, i) \ |
45 ngx_rbtree_sentinel_init(s); \ | |
46 (tree)->root = s; \ | |
47 (tree)->sentinel = s; \ | |
48 (tree)->insert = i | |
49 | |
8523
0c5e84096d99
Core: added the ngx_rbtree_data() macro.
Vladimir Homutov <vl@nginx.com>
parents:
6928
diff
changeset
|
50 #define ngx_rbtree_data(node, type, link) \ |
0c5e84096d99
Core: added the ngx_rbtree_data() macro.
Vladimir Homutov <vl@nginx.com>
parents:
6928
diff
changeset
|
51 (type *) ((u_char *) (node) - offsetof(type, link)) |
0c5e84096d99
Core: added the ngx_rbtree_data() macro.
Vladimir Homutov <vl@nginx.com>
parents:
6928
diff
changeset
|
52 |
1686 | 53 |
5894
1f513d7f1b45
Events: removed broken thread support from event timers.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
54 void ngx_rbtree_insert(ngx_rbtree_t *tree, ngx_rbtree_node_t *node); |
1f513d7f1b45
Events: removed broken thread support from event timers.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
55 void ngx_rbtree_delete(ngx_rbtree_t *tree, ngx_rbtree_node_t *node); |
861 | 56 void ngx_rbtree_insert_value(ngx_rbtree_node_t *root, ngx_rbtree_node_t *node, |
57 ngx_rbtree_node_t *sentinel); | |
853 | 58 void ngx_rbtree_insert_timer_value(ngx_rbtree_node_t *root, |
59 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
6928
e0cc454aafe4
Core: introduced ngx_rbtree_next().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5894
diff
changeset
|
60 ngx_rbtree_node_t *ngx_rbtree_next(ngx_rbtree_t *tree, |
e0cc454aafe4
Core: introduced ngx_rbtree_next().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5894
diff
changeset
|
61 ngx_rbtree_node_t *node); |
559 | 62 |
63 | |
1023
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
64 #define ngx_rbt_red(node) ((node)->color = 1) |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
65 #define ngx_rbt_black(node) ((node)->color = 0) |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
66 #define ngx_rbt_is_red(node) ((node)->color) |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
67 #define ngx_rbt_is_black(node) (!ngx_rbt_is_red(node)) |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
68 #define ngx_rbt_copy_color(n1, n2) (n1->color = n2->color) |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
69 |
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
70 |
965 | 71 /* a sentinel must be black */ |
72 | |
1023
68cc5e2e1a5d
make global the rbtree color handling macros
Igor Sysoev <igor@sysoev.ru>
parents:
965
diff
changeset
|
73 #define ngx_rbtree_sentinel_init(node) ngx_rbt_black(node) |
965 | 74 |
75 | |
559 | 76 static ngx_inline ngx_rbtree_node_t * |
77 ngx_rbtree_min(ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
78 { |
557 | 79 while (node->left != sentinel) { |
80 node = node->left; | |
81 } | |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
82 |
557 | 83 return node; |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
84 } |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
85 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
86 |
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
87 #endif /* _NGX_RBTREE_H_INCLUDED_ */ |