Mercurial > hg > nginx
annotate src/core/ngx_open_file_cache.h @ 4450:4919fb357a5d stable-1.0
Merge of r4406, r4413: copyrights updated.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Sun, 05 Feb 2012 20:02:59 +0000 |
| parents | e7cd13b7f759 |
| children | 7033faf6dc3c |
| rev | line source |
|---|---|
| 1453 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
|
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Merge of r4406, r4413: copyrights updated.
Maxim Dounin <mdounin@mdounin.ru>
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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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Use more precise stat.st_blocks to account cache size on Unix
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24 off_t fs_size; |
| 2129 | 25 off_t directio; |
| 3178 | 26 size_t read_ahead; |
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*) of.test_only to not open file if only stat() is enough
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27 |
| 1453 | 28 ngx_err_t err; |
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*) of.test_only to not open file if only stat() is enough
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29 char *failed; |
| 1453 | 30 |
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open_file_cache_retest > open_file_cache_valid
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31 time_t valid; |
| 1453 | 32 |
| 1772 | 33 ngx_uint_t min_uses; |
| 34 | |
| 1453 | 35 unsigned test_dir:1; |
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*) of.test_only to not open file if only stat() is enough
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parents:
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36 unsigned test_only:1; |
| 2072 | 37 unsigned log:1; |
| 1453 | 38 unsigned errors:1; |
| 1457 | 39 unsigned events:1; |
| 1453 | 40 |
| 41 unsigned is_dir:1; | |
| 42 unsigned is_file:1; | |
| 43 unsigned is_link:1; | |
| 44 unsigned is_exec:1; | |
|
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*) handle unaligned file part for directio
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45 unsigned is_directio:1; |
| 1453 | 46 } ngx_open_file_info_t; |
| 47 | |
| 48 | |
| 49 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t; | |
| 50 | |
| 51 struct ngx_cached_open_file_s { | |
| 52 ngx_rbtree_node_t node; | |
| 1765 | 53 ngx_queue_t queue; |
| 1453 | 54 |
| 55 u_char *name; | |
| 56 time_t created; | |
| 57 time_t accessed; | |
| 58 | |
| 59 ngx_fd_t fd; | |
| 60 ngx_file_uniq_t uniq; | |
| 61 time_t mtime; | |
| 62 off_t size; | |
| 63 ngx_err_t err; | |
| 64 | |
| 1772 | 65 uint32_t uses; |
| 66 | |
| 1453 | 67 unsigned count:24; |
| 68 unsigned close:1; | |
| 1775 | 69 unsigned use_event:1; |
| 1453 | 70 |
| 71 unsigned is_dir:1; | |
| 72 unsigned is_file:1; | |
| 73 unsigned is_link:1; | |
| 74 unsigned is_exec:1; | |
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cache directio flag in open file cache
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75 unsigned is_directio:1; |
| 1453 | 76 |
| 77 ngx_event_t *event; | |
| 78 }; | |
| 79 | |
| 80 | |
| 81 typedef struct { | |
| 82 ngx_rbtree_t rbtree; | |
| 1761 | 83 ngx_rbtree_node_t sentinel; |
| 1765 | 84 ngx_queue_t expire_queue; |
| 1453 | 85 |
| 86 ngx_uint_t current; | |
| 87 ngx_uint_t max; | |
| 88 time_t inactive; | |
| 89 } ngx_open_file_cache_t; | |
| 90 | |
| 91 | |
| 92 typedef struct { | |
| 93 ngx_open_file_cache_t *cache; | |
| 94 ngx_cached_open_file_t *file; | |
| 1772 | 95 ngx_uint_t min_uses; |
| 1453 | 96 ngx_log_t *log; |
| 97 } ngx_open_file_cache_cleanup_t; | |
| 98 | |
| 99 | |
| 100 typedef struct { | |
| 101 | |
| 102 /* ngx_connection_t stub to allow use c->fd as event ident */ | |
| 103 void *data; | |
| 104 ngx_event_t *read; | |
| 105 ngx_event_t *write; | |
| 106 ngx_fd_t fd; | |
| 107 | |
| 108 ngx_cached_open_file_t *file; | |
| 109 ngx_open_file_cache_t *cache; | |
| 110 } ngx_open_file_cache_event_t; | |
| 111 | |
| 112 | |
| 113 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool, | |
| 114 ngx_uint_t max, time_t inactive); | |
| 115 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name, | |
| 116 ngx_open_file_info_t *of, ngx_pool_t *pool); | |
| 117 | |
| 118 | |
| 119 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */ |