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65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#ifndef _NGX_HTTP_CACHE_H_INCLUDED_
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#define _NGX_HTTP_CACHE_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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time_t expires;
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time_t last_modified;
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time_t date;
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off_t length;
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size_t key_len;
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char key[1];
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} ngx_http_cache_header_t;
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typedef struct {
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u_int32_t crc;
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ngx_str_t key;
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ngx_fd_t fd;
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off_t size;
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void *data; /* mmap, memory */
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time_t accessed;
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time_t last_modified;
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time_t updated; /* no needed with kqueue */
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int refs;
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int flags;
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} ngx_http_cache_entry_t;
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typedef struct {
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ngx_file_t file;
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ngx_str_t key;
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u_char md5[16];
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ngx_path_t *path;
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ngx_hunk_t *buf;
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time_t expires;
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time_t last_modified;
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time_t date;
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off_t length;
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ssize_t header_size;
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size_t file_start;
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ngx_log_t *log;
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} ngx_http_cache_ctx_t;
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#define NGX_HTTP_CACHE_STALE 1
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#define NGX_HTTP_CACHE_AGED 2
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#define NGX_HTTP_CACHE_THE_SAME 3
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int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx);
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int ngx_http_cache_open_file(ngx_http_cache_ctx_t *ctx, ngx_file_uniq_t uniq);
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int ngx_garbage_collector_http_cache_handler(ngx_gc_t *gc, ngx_str_t *name,
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ngx_dir_t *dir);
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int ngx_http_cache_update_file(ngx_http_request_t *r,ngx_http_cache_ctx_t *ctx,
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ngx_str_t *temp_file);
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#endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */
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