113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#ifndef _NGX_OPEN_FILE_CACHE_H_INCLUDED_
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#define _NGX_OPEN_FILE_CACHE_H_INCLUDED_
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#define NGX_OPEN_FILE_DIRECTIO_OFF NGX_MAX_OFF_T_VALUE
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typedef struct {
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ngx_fd_t fd;
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ngx_file_uniq_t uniq;
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time_t mtime;
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off_t size;
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off_t directio;
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ngx_err_t err;
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time_t valid;
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ngx_uint_t min_uses;
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unsigned test_dir:1;
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unsigned log:1;
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unsigned errors:1;
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unsigned events:1;
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unsigned is_dir:1;
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unsigned is_file:1;
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unsigned is_link:1;
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unsigned is_exec:1;
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unsigned is_directio:1;
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} ngx_open_file_info_t;
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typedef struct ngx_cached_open_file_s ngx_cached_open_file_t;
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struct ngx_cached_open_file_s {
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ngx_rbtree_node_t node;
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ngx_queue_t queue;
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u_char *name;
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time_t created;
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time_t accessed;
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ngx_fd_t fd;
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ngx_file_uniq_t uniq;
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time_t mtime;
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off_t size;
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ngx_err_t err;
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uint32_t uses;
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unsigned count:24;
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unsigned close:1;
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unsigned use_event:1;
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unsigned is_dir:1;
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unsigned is_file:1;
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unsigned is_link:1;
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unsigned is_exec:1;
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unsigned is_directio:1;
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ngx_event_t *event;
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};
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typedef struct {
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ngx_rbtree_t rbtree;
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ngx_rbtree_node_t sentinel;
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ngx_queue_t expire_queue;
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ngx_uint_t current;
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ngx_uint_t max;
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time_t inactive;
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} ngx_open_file_cache_t;
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typedef struct {
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ngx_open_file_cache_t *cache;
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ngx_cached_open_file_t *file;
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ngx_uint_t min_uses;
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ngx_log_t *log;
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} ngx_open_file_cache_cleanup_t;
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typedef struct {
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/* ngx_connection_t stub to allow use c->fd as event ident */
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void *data;
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ngx_event_t *read;
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ngx_event_t *write;
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ngx_fd_t fd;
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ngx_cached_open_file_t *file;
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ngx_open_file_cache_t *cache;
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} ngx_open_file_cache_event_t;
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ngx_open_file_cache_t *ngx_open_file_cache_init(ngx_pool_t *pool,
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ngx_uint_t max, time_t inactive);
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ngx_int_t ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
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ngx_open_file_info_t *of, ngx_pool_t *pool);
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#endif /* _NGX_OPEN_FILE_CACHE_H_INCLUDED_ */
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