nginx/src/http/ngx_http_cache.h
2003-11-04 22:12:39 +00:00

60 lines
1.3 KiB
C

#ifndef _NGX_HTTP_CACHE_H_INCLUDED_
#define _NGX_HTTP_CACHE_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
typedef struct {
time_t expires;
time_t last_modified;
time_t date;
off_t length;
size_t key_len;
char key[0];
} ngx_http_cache_header_t;
typedef struct {
u_int32_t crc;
ngx_str_t key;
ngx_fd_t fd;
off_t size;
void *data; /* mmap, memory */
time_t accessed;
time_t last_modified;
time_t updated; /* no needed with kqueue */
int refs;
int flags;
} ngx_http_cache_entry_t;
typedef struct {
ngx_file_t file;
ngx_str_t key;
u_char md5[16];
ngx_path_t *path;
ngx_hunk_t *buf;
time_t expires;
time_t last_modified;
time_t date;
off_t length;
ssize_t header_size;
size_t file_start;
} ngx_http_cache_ctx_t;
#define NGX_HTTP_CACHE_STALE 1
#define NGX_HTTP_CACHE_AGED 2
int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx);
int ngx_http_cache_update_file(ngx_http_request_t *r,ngx_http_cache_ctx_t *ctx,
ngx_str_t *temp_file);
#endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */