Mercurial > hg > nginx
annotate src/core/ngx_open_file_cache.h @ 7682:2ab0ecfe5a5f
release-1.19.1 tag
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 07 Jul 2020 18:56:06 +0300 |
| parents | 47ece8818978 |
| children |
| rev | line source |
|---|---|
| 1453 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 1453 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 | |
| 11 | |
| 12 #ifndef _NGX_OPEN_FILE_CACHE_H_INCLUDED_ | |
| 13 #define _NGX_OPEN_FILE_CACHE_H_INCLUDED_ | |
| 14 | |
| 15 | |
| 2277 | 16 #define NGX_OPEN_FILE_DIRECTIO_OFF NGX_MAX_OFF_T_VALUE |
| 17 | |
| 18 | |
| 1453 | 19 typedef struct { |
| 20 ngx_fd_t fd; | |
| 21 ngx_file_uniq_t uniq; | |
| 22 time_t mtime; | |
| 23 off_t size; | |
|
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24 off_t fs_size; |
| 2129 | 25 off_t directio; |
| 3178 | 26 size_t read_ahead; |
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27 |
| 1453 | 28 ngx_err_t err; |
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29 char *failed; |
| 1453 | 30 |
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31 time_t valid; |
| 1453 | 32 |
| 1772 | 33 ngx_uint_t min_uses; |
| 34 | |
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35 #if (NGX_HAVE_OPENAT) |
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Disable symlinks: added the "from" parameter support to the open file cache.
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36 size_t disable_symlinks_from; |
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37 unsigned disable_symlinks:2; |
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38 #endif |
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39 |
| 1453 | 40 unsigned test_dir:1; |
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parents:
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41 unsigned test_only:1; |
| 2072 | 42 unsigned log:1; |
| 1453 | 43 unsigned errors:1; |
| 1457 | 44 unsigned events:1; |
| 1453 | 45 |
| 46 unsigned is_dir:1; | |
| 47 unsigned is_file:1; | |
| 48 unsigned is_link:1; | |
| 49 unsigned is_exec:1; | |
|
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*) handle unaligned file part for directio
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50 unsigned is_directio:1; |
| 1453 | 51 } ngx_open_file_info_t; |
| 52 | |
| 53 | |
| 54 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t; | |
| 55 | |
| 56 struct ngx_cached_open_file_s { | |
| 57 ngx_rbtree_node_t node; | |
| 1765 | 58 ngx_queue_t queue; |
| 1453 | 59 |
| 60 u_char *name; | |
| 61 time_t created; | |
| 62 time_t accessed; | |
| 63 | |
| 64 ngx_fd_t fd; | |
| 65 ngx_file_uniq_t uniq; | |
| 66 time_t mtime; | |
| 67 off_t size; | |
| 68 ngx_err_t err; | |
| 69 | |
| 1772 | 70 uint32_t uses; |
| 71 | |
|
4477
7033faf6dc3c
Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
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72 #if (NGX_HAVE_OPENAT) |
|
4493
47ece8818978
Disable symlinks: added the "from" parameter support to the open file cache.
Valentin Bartenev <vbart@nginx.com>
parents:
4477
diff
changeset
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73 size_t disable_symlinks_from; |
|
4477
7033faf6dc3c
Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
74 unsigned disable_symlinks:2; |
|
7033faf6dc3c
Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
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75 #endif |
|
7033faf6dc3c
Added disable_symlinks directive.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
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76 |
| 1453 | 77 unsigned count:24; |
| 78 unsigned close:1; | |
| 1775 | 79 unsigned use_event:1; |
| 1453 | 80 |
| 81 unsigned is_dir:1; | |
| 82 unsigned is_file:1; | |
| 83 unsigned is_link:1; | |
| 84 unsigned is_exec:1; | |
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cache directio flag in open file cache
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85 unsigned is_directio:1; |
| 1453 | 86 |
| 87 ngx_event_t *event; | |
| 88 }; | |
| 89 | |
| 90 | |
| 91 typedef struct { | |
| 92 ngx_rbtree_t rbtree; | |
| 1761 | 93 ngx_rbtree_node_t sentinel; |
| 1765 | 94 ngx_queue_t expire_queue; |
| 1453 | 95 |
| 96 ngx_uint_t current; | |
| 97 ngx_uint_t max; | |
| 98 time_t inactive; | |
| 99 } ngx_open_file_cache_t; | |
| 100 | |
| 101 | |
| 102 typedef struct { | |
| 103 ngx_open_file_cache_t *cache; | |
| 104 ngx_cached_open_file_t *file; | |
| 1772 | 105 ngx_uint_t min_uses; |
| 1453 | 106 ngx_log_t *log; |
| 107 } ngx_open_file_cache_cleanup_t; | |
| 108 | |
| 109 | |
| 110 typedef struct { | |
| 111 | |
| 112 /* ngx_connection_t stub to allow use c->fd as event ident */ | |
| 113 void *data; | |
| 114 ngx_event_t *read; | |
| 115 ngx_event_t *write; | |
| 116 ngx_fd_t fd; | |
| 117 | |
| 118 ngx_cached_open_file_t *file; | |
| 119 ngx_open_file_cache_t *cache; | |
| 120 } ngx_open_file_cache_event_t; | |
| 121 | |
| 122 | |
| 123 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool, | |
| 124 ngx_uint_t max, time_t inactive); | |
| 125 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name, | |
| 126 ngx_open_file_info_t *of, ngx_pool_t *pool); | |
| 127 | |
| 128 | |
| 129 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */ |