Mercurial > hg > nginx
annotate src/core/ngx_palloc.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 | ef935cd7ed8d |
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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_PALLOC_H_INCLUDED_ |
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9 #define _NGX_PALLOC_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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16 /* |
589 | 17 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_pagesize - 1), i.e. 4095 on x86. |
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18 * On Windows NT it decreases a number of locked pages in a kernel. |
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19 */ |
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20 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1) |
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21 |
1200 | 22 #define NGX_DEFAULT_POOL_SIZE (16 * 1024) |
3388 | 23 |
24 #define NGX_POOL_ALIGNMENT 16 | |
1200 | 25 #define NGX_MIN_POOL_SIZE \ |
3388 | 26 ngx_align((sizeof(ngx_pool_t) + 2 * sizeof(ngx_pool_large_t)), \ |
27 NGX_POOL_ALIGNMENT) | |
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509 | 30 typedef void (*ngx_pool_cleanup_pt)(void *data); |
31 | |
32 typedef struct ngx_pool_cleanup_s ngx_pool_cleanup_t; | |
33 | |
34 struct ngx_pool_cleanup_s { | |
35 ngx_pool_cleanup_pt handler; | |
36 void *data; | |
37 ngx_pool_cleanup_t *next; | |
38 }; | |
39 | |
40 | |
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41 typedef struct ngx_pool_large_s ngx_pool_large_t; |
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42 |
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43 struct ngx_pool_large_s { |
509 | 44 ngx_pool_large_t *next; |
45 void *alloc; | |
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46 }; |
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48 |
2049 | 49 typedef struct { |
509 | 50 u_char *last; |
51 u_char *end; | |
2049 | 52 ngx_pool_t *next; |
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53 ngx_uint_t failed; |
2049 | 54 } ngx_pool_data_t; |
55 | |
56 | |
57 struct ngx_pool_s { | |
58 ngx_pool_data_t d; | |
59 size_t max; | |
581 | 60 ngx_pool_t *current; |
509 | 61 ngx_chain_t *chain; |
62 ngx_pool_large_t *large; | |
63 ngx_pool_cleanup_t *cleanup; | |
64 ngx_log_t *log; | |
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65 }; |
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67 |
509 | 68 typedef struct { |
69 ngx_fd_t fd; | |
70 u_char *name; | |
71 ngx_log_t *log; | |
72 } ngx_pool_cleanup_file_t; | |
73 | |
74 | |
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75 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log); |
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76 void ngx_destroy_pool(ngx_pool_t *pool); |
2337 | 77 void ngx_reset_pool(ngx_pool_t *pool); |
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79 void *ngx_palloc(ngx_pool_t *pool, size_t size); |
2049 | 80 void *ngx_pnalloc(ngx_pool_t *pool, size_t size); |
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81 void *ngx_pcalloc(ngx_pool_t *pool, size_t size); |
2129 | 82 void *ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment); |
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83 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p); |
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563 | 86 ngx_pool_cleanup_t *ngx_pool_cleanup_add(ngx_pool_t *p, size_t size); |
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87 void ngx_pool_run_cleanup_file(ngx_pool_t *p, ngx_fd_t fd); |
509 | 88 void ngx_pool_cleanup_file(void *data); |
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89 void ngx_pool_delete_file(void *data); |
509 | 90 |
91 | |
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92 #endif /* _NGX_PALLOC_H_INCLUDED_ */ |