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comparison src/core/ngx_open_file_cache.h @ 1453:f2feed5bffe1

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open file cache
author Igor Sysoev <igor@sysoev.ru>
date Sat, 01 Sep 2007 12:11:21 +0000
parents
children 223e92651ca5
comparison
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1452:cd586e963db0 1453:f2feed5bffe1
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
15 typedef struct {
16 ngx_fd_t fd;
17 ngx_file_uniq_t uniq;
18 time_t mtime;
19 off_t size;
20 ngx_err_t err;
21
22 time_t retest;
23
24 unsigned test_dir:1;
25 unsigned errors:1;
26
27 unsigned is_dir:1;
28 unsigned is_file:1;
29 unsigned is_link:1;
30 unsigned is_exec:1;
31 } ngx_open_file_info_t;
32
33
34 typedef struct ngx_cached_open_file_s ngx_cached_open_file_t;
35
36 struct ngx_cached_open_file_s {
37 ngx_rbtree_node_t node;
38 ngx_cached_open_file_t *prev;
39 ngx_cached_open_file_t *next;
40
41 u_char *name;
42 time_t created;
43 time_t accessed;
44
45 ngx_fd_t fd;
46 ngx_file_uniq_t uniq;
47 time_t mtime;
48 off_t size;
49 ngx_err_t err;
50
51 unsigned count:24;
52 unsigned close:1;
53
54 unsigned is_dir:1;
55 unsigned is_file:1;
56 unsigned is_link:1;
57 unsigned is_exec:1;
58
59 ngx_event_t *event;
60 };
61
62
63 typedef struct {
64 ngx_rbtree_t rbtree;
65 ngx_cached_open_file_t list_head;
66 ngx_cached_open_file_t list_tail;
67
68 ngx_uint_t current;
69 ngx_uint_t max;
70 time_t inactive;
71 } ngx_open_file_cache_t;
72
73
74 typedef struct {
75 ngx_open_file_cache_t *cache;
76 ngx_cached_open_file_t *file;
77 ngx_log_t *log;
78 } ngx_open_file_cache_cleanup_t;
79
80
81 typedef struct {
82
83 /* ngx_connection_t stub to allow use c->fd as event ident */
84 void *data;
85 ngx_event_t *read;
86 ngx_event_t *write;
87 ngx_fd_t fd;
88
89 ngx_cached_open_file_t *file;
90 ngx_open_file_cache_t *cache;
91 } ngx_open_file_cache_event_t;
92
93
94 ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool,
95 ngx_uint_t max, time_t inactive);
96 ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
97 ngx_open_file_info_t *of, ngx_pool_t *pool);
98
99
100 #endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */