Mercurial > hg > nginx
annotate src/core/ngx_open_file_cache.h @ 3141:cbee9c114504
fix comment
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 18 Sep 2009 09:12:40 +0000 |
| parents | 09cab3f8d92e |
| children | 975f0558aab3 |
| 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; |
|
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2277
diff
changeset
|
24 |
| 1453 | 25 ngx_err_t err; |
|
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2277
diff
changeset
|
26 char *failed; |
| 1453 | 27 |
|
1767
c42431762903
open_file_cache_retest > open_file_cache_valid
Igor Sysoev <igor@sysoev.ru>
parents:
1765
diff
changeset
|
28 time_t valid; |
| 1453 | 29 |
| 1772 | 30 ngx_uint_t min_uses; |
| 31 | |
| 1453 | 32 unsigned test_dir:1; |
|
2756
09cab3f8d92e
*) of.test_only to not open file if only stat() is enough
Igor Sysoev <igor@sysoev.ru>
parents:
2277
diff
changeset
|
33 unsigned test_only:1; |
| 2072 | 34 unsigned log:1; |
| 1453 | 35 unsigned errors:1; |
| 1457 | 36 unsigned events:1; |
| 1453 | 37 |
| 38 unsigned is_dir:1; | |
| 39 unsigned is_file:1; | |
| 40 unsigned is_link:1; | |
| 41 unsigned is_exec:1; | |
|
2231
8564129d49b6
*) handle unaligned file part for directio
Igor Sysoev <igor@sysoev.ru>
parents:
2129
diff
changeset
|
42 unsigned is_directio:1; |
| 1453 | 43 } ngx_open_file_info_t; |
| 44 | |
| 45 | |
| 46 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t; | |
| 47 | |
| 48 struct ngx_cached_open_file_s { | |
| 49 ngx_rbtree_node_t node; | |
| 1765 | 50 ngx_queue_t queue; |
| 1453 | 51 |
| 52 u_char *name; | |
| 53 time_t created; | |
| 54 time_t accessed; | |
| 55 | |
| 56 ngx_fd_t fd; | |
| 57 ngx_file_uniq_t uniq; | |
| 58 time_t mtime; | |
| 59 off_t size; | |
| 60 ngx_err_t err; | |
| 61 | |
| 1772 | 62 uint32_t uses; |
| 63 | |
| 1453 | 64 unsigned count:24; |
| 65 unsigned close:1; | |
| 1775 | 66 unsigned use_event:1; |
| 1453 | 67 |
| 68 unsigned is_dir:1; | |
| 69 unsigned is_file:1; | |
| 70 unsigned is_link:1; | |
| 71 unsigned is_exec:1; | |
|
2246
987831d73bd8
cache directio flag in open file cache
Igor Sysoev <igor@sysoev.ru>
parents:
2231
diff
changeset
|
72 unsigned is_directio:1; |
| 1453 | 73 |
| 74 ngx_event_t *event; | |
| 75 }; | |
| 76 | |
| 77 | |
| 78 typedef struct { | |
| 79 ngx_rbtree_t rbtree; | |
| 1761 | 80 ngx_rbtree_node_t sentinel; |
| 1765 | 81 ngx_queue_t expire_queue; |
| 1453 | 82 |
| 83 ngx_uint_t current; | |
| 84 ngx_uint_t max; | |
| 85 time_t inactive; | |
| 86 } ngx_open_file_cache_t; | |
| 87 | |
| 88 | |
| 89 typedef struct { | |
| 90 ngx_open_file_cache_t *cache; | |
| 91 ngx_cached_open_file_t *file; | |
| 1772 | 92 ngx_uint_t min_uses; |
| 1453 | 93 ngx_log_t *log; |
| 94 } ngx_open_file_cache_cleanup_t; | |
| 95 | |
| 96 | |
| 97 typedef struct { | |
| 98 | |
| 99 /* ngx_connection_t stub to allow use c->fd as event ident */ | |
| 100 void *data; | |
| 101 ngx_event_t *read; | |
| 102 ngx_event_t *write; | |
| 103 ngx_fd_t fd; | |
| 104 | |
| 105 ngx_cached_open_file_t *file; | |
| 106 ngx_open_file_cache_t *cache; | |
| 107 } ngx_open_file_cache_event_t; | |
| 108 | |
| 109 | |
| 110 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool, | |
| 111 ngx_uint_t max, time_t inactive); | |
| 112 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name, | |
| 113 ngx_open_file_info_t *of, ngx_pool_t *pool); | |
| 114 | |
| 115 | |
| 116 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */ |