Mercurial > hg > nginx-quic
annotate src/core/ngx_rbtree.h @ 5747:57c05ff57980
SSL: logging level of "peer closed connection in SSL handshake".
Previously, the NGX_LOG_INFO level was used unconditionally. This is
correct for client SSL connections, but too low for connections to
upstream servers. To resolve this, ngx_connection_error() now used
to log this error, it will select logging level appropriately.
With this change, if an upstream connection is closed during SSL
handshake, it is now properly logged at "error" level.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 04 Jul 2014 22:14:36 +0400 |
parents | d620f497c50f |
children | 1f513d7f1b45 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_RBTREE_H_INCLUDED_ |
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9 #define _NGX_RBTREE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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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; |
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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; | |
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29 }; |
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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 }; |
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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 | |
50 | |
559 | 51 void ngx_rbtree_insert(ngx_thread_volatile ngx_rbtree_t *tree, |
52 ngx_rbtree_node_t *node); | |
53 void ngx_rbtree_delete(ngx_thread_volatile ngx_rbtree_t *tree, | |
54 ngx_rbtree_node_t *node); | |
861 | 55 void ngx_rbtree_insert_value(ngx_rbtree_node_t *root, ngx_rbtree_node_t *node, |
56 ngx_rbtree_node_t *sentinel); | |
853 | 57 void ngx_rbtree_insert_timer_value(ngx_rbtree_node_t *root, |
58 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
559 | 59 |
60 | |
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61 #define ngx_rbt_red(node) ((node)->color = 1) |
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62 #define ngx_rbt_black(node) ((node)->color = 0) |
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63 #define ngx_rbt_is_red(node) ((node)->color) |
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64 #define ngx_rbt_is_black(node) (!ngx_rbt_is_red(node)) |
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65 #define ngx_rbt_copy_color(n1, n2) (n1->color = n2->color) |
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66 |
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965 | 68 /* a sentinel must be black */ |
69 | |
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70 #define ngx_rbtree_sentinel_init(node) ngx_rbt_black(node) |
965 | 71 |
72 | |
559 | 73 static ngx_inline ngx_rbtree_node_t * |
74 ngx_rbtree_min(ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
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75 { |
557 | 76 while (node->left != sentinel) { |
77 node = node->left; | |
78 } | |
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557 | 80 return node; |
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81 } |
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83 |
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84 #endif /* _NGX_RBTREE_H_INCLUDED_ */ |