Mercurial > hg > nginx
annotate src/core/ngx_open_file_cache.h @ 3421:a4456378d234 release-0.8.33
nginx-0.8.33-RELEASE
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 01 Feb 2010 13:36:31 +0000 |
| parents | 975f0558aab3 |
| children | e7cd13b7f759 |
| rev | line source |
|---|---|
| 1453 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 | |
| 10 | |
| 11 #ifndef _NGX_OPEN_FILE_CACHE_H_INCLUDED_ | |
| 12 #define _NGX_OPEN_FILE_CACHE_H_INCLUDED_ | |
| 13 | |
| 14 | |
| 2277 | 15 #define NGX_OPEN_FILE_DIRECTIO_OFF NGX_MAX_OFF_T_VALUE |
| 16 | |
| 17 | |
| 1453 | 18 typedef struct { |
| 19 ngx_fd_t fd; | |
| 20 ngx_file_uniq_t uniq; | |
| 21 time_t mtime; | |
| 22 off_t size; | |
| 2129 | 23 off_t directio; |
| 3178 | 24 size_t read_ahead; |
|
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*) of.test_only to not open file if only stat() is enough
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25 |
| 1453 | 26 ngx_err_t err; |
|
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*) of.test_only to not open file if only stat() is enough
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27 char *failed; |
| 1453 | 28 |
|
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open_file_cache_retest > open_file_cache_valid
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29 time_t valid; |
| 1453 | 30 |
| 1772 | 31 ngx_uint_t min_uses; |
| 32 | |
| 1453 | 33 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:
2277
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changeset
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34 unsigned test_only:1; |
| 2072 | 35 unsigned log:1; |
| 1453 | 36 unsigned errors:1; |
| 1457 | 37 unsigned events:1; |
| 1453 | 38 |
| 39 unsigned is_dir:1; | |
| 40 unsigned is_file:1; | |
| 41 unsigned is_link:1; | |
| 42 unsigned is_exec:1; | |
|
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*) handle unaligned file part for directio
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43 unsigned is_directio:1; |
| 1453 | 44 } ngx_open_file_info_t; |
| 45 | |
| 46 | |
| 47 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t; | |
| 48 | |
| 49 struct ngx_cached_open_file_s { | |
| 50 ngx_rbtree_node_t node; | |
| 1765 | 51 ngx_queue_t queue; |
| 1453 | 52 |
| 53 u_char *name; | |
| 54 time_t created; | |
| 55 time_t accessed; | |
| 56 | |
| 57 ngx_fd_t fd; | |
| 58 ngx_file_uniq_t uniq; | |
| 59 time_t mtime; | |
| 60 off_t size; | |
| 61 ngx_err_t err; | |
| 62 | |
| 1772 | 63 uint32_t uses; |
| 64 | |
| 1453 | 65 unsigned count:24; |
| 66 unsigned close:1; | |
| 1775 | 67 unsigned use_event:1; |
| 1453 | 68 |
| 69 unsigned is_dir:1; | |
| 70 unsigned is_file:1; | |
| 71 unsigned is_link:1; | |
| 72 unsigned is_exec:1; | |
|
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cache directio flag in open file cache
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73 unsigned is_directio:1; |
| 1453 | 74 |
| 75 ngx_event_t *event; | |
| 76 }; | |
| 77 | |
| 78 | |
| 79 typedef struct { | |
| 80 ngx_rbtree_t rbtree; | |
| 1761 | 81 ngx_rbtree_node_t sentinel; |
| 1765 | 82 ngx_queue_t expire_queue; |
| 1453 | 83 |
| 84 ngx_uint_t current; | |
| 85 ngx_uint_t max; | |
| 86 time_t inactive; | |
| 87 } ngx_open_file_cache_t; | |
| 88 | |
| 89 | |
| 90 typedef struct { | |
| 91 ngx_open_file_cache_t *cache; | |
| 92 ngx_cached_open_file_t *file; | |
| 1772 | 93 ngx_uint_t min_uses; |
| 1453 | 94 ngx_log_t *log; |
| 95 } ngx_open_file_cache_cleanup_t; | |
| 96 | |
| 97 | |
| 98 typedef struct { | |
| 99 | |
| 100 /* ngx_connection_t stub to allow use c->fd as event ident */ | |
| 101 void *data; | |
| 102 ngx_event_t *read; | |
| 103 ngx_event_t *write; | |
| 104 ngx_fd_t fd; | |
| 105 | |
| 106 ngx_cached_open_file_t *file; | |
| 107 ngx_open_file_cache_t *cache; | |
| 108 } ngx_open_file_cache_event_t; | |
| 109 | |
| 110 | |
| 111 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool, | |
| 112 ngx_uint_t max, time_t inactive); | |
| 113 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name, | |
| 114 ngx_open_file_info_t *of, ngx_pool_t *pool); | |
| 115 | |
| 116 | |
| 117 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */ |