Mercurial > hg > nginx
diff src/core/ngx_open_file_cache.h @ 1453:f2feed5bffe1
open file cache
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sat, 01 Sep 2007 12:11:21 +0000 |
parents | |
children | 223e92651ca5 |
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new file mode 100644 --- /dev/null +++ b/src/core/ngx_open_file_cache.h @@ -0,0 +1,100 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#include <ngx_config.h> +#include <ngx_core.h> + + +#ifndef _NGX_OPEN_FILE_CACHE_H_INCLUDED_ +#define _NGX_OPEN_FILE_CACHE_H_INCLUDED_ + + +typedef struct { + ngx_fd_t fd; + ngx_file_uniq_t uniq; + time_t mtime; + off_t size; + ngx_err_t err; + + time_t retest; + + unsigned test_dir:1; + unsigned errors:1; + + unsigned is_dir:1; + unsigned is_file:1; + unsigned is_link:1; + unsigned is_exec:1; +} ngx_open_file_info_t; + + +typedef struct ngx_cached_open_file_s ngx_cached_open_file_t; + +struct ngx_cached_open_file_s { + ngx_rbtree_node_t node; + ngx_cached_open_file_t *prev; + ngx_cached_open_file_t *next; + + u_char *name; + time_t created; + time_t accessed; + + ngx_fd_t fd; + ngx_file_uniq_t uniq; + time_t mtime; + off_t size; + ngx_err_t err; + + unsigned count:24; + unsigned close:1; + + unsigned is_dir:1; + unsigned is_file:1; + unsigned is_link:1; + unsigned is_exec:1; + + ngx_event_t *event; +}; + + +typedef struct { + ngx_rbtree_t rbtree; + ngx_cached_open_file_t list_head; + ngx_cached_open_file_t list_tail; + + ngx_uint_t current; + ngx_uint_t max; + time_t inactive; +} ngx_open_file_cache_t; + + +typedef struct { + ngx_open_file_cache_t *cache; + ngx_cached_open_file_t *file; + ngx_log_t *log; +} ngx_open_file_cache_cleanup_t; + + +typedef struct { + + /* ngx_connection_t stub to allow use c->fd as event ident */ + void *data; + ngx_event_t *read; + ngx_event_t *write; + ngx_fd_t fd; + + ngx_cached_open_file_t *file; + ngx_open_file_cache_t *cache; +} ngx_open_file_cache_event_t; + + +ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool, + ngx_uint_t max, time_t inactive); +ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name, + ngx_open_file_info_t *of, ngx_pool_t *pool); + + +#endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */