Mercurial > hg > nginx
annotate src/core/ngx_hash.h @ 8794:ba5977b38b2e quic
HTTP/3: reordered H3_MISSING_SETTINGS and H3_FRAME_UNEXPECTED.
The quic-http-34 is ambiguous as to what error should be generated for the
first frame in control stream:
Each side MUST initiate a single control stream at the beginning of
the connection and send its SETTINGS frame as the first frame on this
stream. If the first frame of the control stream is any other frame
type, this MUST be treated as a connection error of type
H3_MISSING_SETTINGS.
If a DATA frame is received on a control stream, the recipient MUST
respond with a connection error of type H3_FRAME_UNEXPECTED.
If a HEADERS frame is received on a control stream, the recipient MUST
respond with a connection error of type H3_FRAME_UNEXPECTED.
Previously, H3_FRAME_UNEXPECTED had priority, but now H3_MISSING_SETTINGS has.
The arguments in the spec sound more compelling for H3_MISSING_SETTINGS.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Fri, 11 Jun 2021 10:56:51 +0300 |
parents | d620f497c50f |
children | f8f6b9fee66a |
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 #ifndef _NGX_HASH_H_INCLUDED_ | |
9 #define _NGX_HASH_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 | |
16 typedef struct { | |
589 | 17 void *value; |
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18 u_short len; |
589 | 19 u_char name[1]; |
20 } ngx_hash_elt_t; | |
507 | 21 |
589 | 22 |
23 typedef struct { | |
24 ngx_hash_elt_t **buckets; | |
25 ngx_uint_t size; | |
507 | 26 } ngx_hash_t; |
27 | |
28 | |
29 typedef struct { | |
589 | 30 ngx_hash_t hash; |
31 void *value; | |
32 } ngx_hash_wildcard_t; | |
33 | |
34 | |
35 typedef struct { | |
36 ngx_str_t key; | |
37 ngx_uint_t key_hash; | |
38 void *value; | |
39 } ngx_hash_key_t; | |
40 | |
41 | |
42 typedef ngx_uint_t (*ngx_hash_key_pt) (u_char *data, size_t len); | |
43 | |
44 | |
45 typedef struct { | |
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46 ngx_hash_t hash; |
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47 ngx_hash_wildcard_t *wc_head; |
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48 ngx_hash_wildcard_t *wc_tail; |
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49 } ngx_hash_combined_t; |
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50 |
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51 |
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52 typedef struct { |
589 | 53 ngx_hash_t *hash; |
54 ngx_hash_key_pt key; | |
55 | |
56 ngx_uint_t max_size; | |
57 ngx_uint_t bucket_size; | |
58 | |
59 char *name; | |
60 ngx_pool_t *pool; | |
61 ngx_pool_t *temp_pool; | |
62 } ngx_hash_init_t; | |
63 | |
64 | |
593 | 65 #define NGX_HASH_SMALL 1 |
66 #define NGX_HASH_LARGE 2 | |
67 | |
68 #define NGX_HASH_LARGE_ASIZE 16384 | |
69 #define NGX_HASH_LARGE_HSIZE 10007 | |
70 | |
71 #define NGX_HASH_WILDCARD_KEY 1 | |
597 | 72 #define NGX_HASH_READONLY_KEY 2 |
593 | 73 |
74 | |
75 typedef struct { | |
76 ngx_uint_t hsize; | |
77 | |
78 ngx_pool_t *pool; | |
79 ngx_pool_t *temp_pool; | |
80 | |
81 ngx_array_t keys; | |
82 ngx_array_t *keys_hash; | |
83 | |
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84 ngx_array_t dns_wc_head; |
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85 ngx_array_t *dns_wc_head_hash; |
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86 |
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87 ngx_array_t dns_wc_tail; |
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88 ngx_array_t *dns_wc_tail_hash; |
593 | 89 } ngx_hash_keys_arrays_t; |
90 | |
91 | |
589 | 92 typedef struct { |
93 ngx_uint_t hash; | |
94 ngx_str_t key; | |
95 ngx_str_t value; | |
649 | 96 u_char *lowcase_key; |
507 | 97 } ngx_table_elt_t; |
98 | |
99 | |
589 | 100 void *ngx_hash_find(ngx_hash_t *hash, ngx_uint_t key, u_char *name, size_t len); |
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101 void *ngx_hash_find_wc_head(ngx_hash_wildcard_t *hwc, u_char *name, size_t len); |
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102 void *ngx_hash_find_wc_tail(ngx_hash_wildcard_t *hwc, u_char *name, size_t len); |
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103 void *ngx_hash_find_combined(ngx_hash_combined_t *hash, ngx_uint_t key, |
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parents:
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104 u_char *name, size_t len); |
589 | 105 |
106 ngx_int_t ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
107 ngx_uint_t nelts); | |
108 ngx_int_t ngx_hash_wildcard_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, | |
109 ngx_uint_t nelts); | |
110 | |
649 | 111 #define ngx_hash(key, c) ((ngx_uint_t) key * 31 + c) |
589 | 112 ngx_uint_t ngx_hash_key(u_char *data, size_t len); |
113 ngx_uint_t ngx_hash_key_lc(u_char *data, size_t len); | |
2136 | 114 ngx_uint_t ngx_hash_strlow(u_char *dst, u_char *src, size_t n); |
115 | |
589 | 116 |
593 | 117 ngx_int_t ngx_hash_keys_array_init(ngx_hash_keys_arrays_t *ha, ngx_uint_t type); |
118 ngx_int_t ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, | |
119 void *value, ngx_uint_t flags); | |
120 | |
589 | 121 |
507 | 122 #endif /* _NGX_HASH_H_INCLUDED_ */ |