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annotate src/http/ngx_http_cache.h @ 195:8dee38ea9117

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nginx-0.0.1-2003-11-25-23:44:56 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 25 Nov 2003 20:44:56 +0000
parents 02a715e85df1
children 0b81c7a0b133
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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1 #ifndef _NGX_HTTP_CACHE_H_INCLUDED_
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2 #define _NGX_HTTP_CACHE_H_INCLUDED_
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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5 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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6 #include <ngx_core.h>
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4fb2a2cff023 nginx-0.0.1-2003-11-04-20:09:19 import
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7 #include <ngx_http.h>
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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8
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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10 typedef struct {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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11 time_t expires;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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12 time_t last_modified;
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caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
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13 time_t date;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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14 off_t length;
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ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
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15 size_t key_len;
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16 char key[1];
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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17 } ngx_http_cache_header_t;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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20 typedef struct {
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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21 uint32_t crc;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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22 ngx_str_t key;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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23 ngx_fd_t fd;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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24 off_t size;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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25 void *data; /* mmap, memory */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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26 time_t accessed;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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27 time_t last_modified;
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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28 time_t updated; /* no needed with kqueue */
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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29 int refs;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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30 int flags;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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31 } ngx_http_cache_entry_t;
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32
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33 #define NGX_HTTP_CACHE_HASH 1021
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34 #define NGX_HTTP_CACHE_NELTS 4
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35
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36 typedef struct {
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37 ngx_http_cache_entry_t **cache;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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38 size_t hash;
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39 size_t nelts;
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40 time_t life_time;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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41 time_t check_time;
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42 ngx_pool_t *pool;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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43 } ngx_http_cache_hash_t;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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46 typedef struct {
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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47 ngx_http_cache_hash_t *hash;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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48 } ngx_http_cache_conf_t;
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51 typedef struct {
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52 ngx_http_cache_hash_t *hash;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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53 ngx_http_cache_entry_t *cache;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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54 ngx_file_t file;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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55 ngx_str_t key;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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56 uint32_t crc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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57 u_char md5[16];
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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58 ngx_path_t *path;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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59 ngx_hunk_t *buf;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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60 time_t expires;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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61 time_t last_modified;
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62 time_t date;
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63 off_t length;
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64 ssize_t header_size;
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65 size_t file_start;
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66 ngx_log_t *log;
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67 } ngx_http_cache_ctx_t;
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70 #define NGX_HTTP_CACHE_STALE 1
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71 #define NGX_HTTP_CACHE_AGED 2
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72 #define NGX_HTTP_CACHE_THE_SAME 3
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74
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75 int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx);
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76 int ngx_http_cache_open_file(ngx_http_cache_ctx_t *ctx, ngx_file_uniq_t uniq);
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77 int ngx_garbage_collector_http_cache_handler(ngx_gc_t *gc, ngx_str_t *name,
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78 ngx_dir_t *dir);
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79 int ngx_http_cache_update_file(ngx_http_request_t *r,ngx_http_cache_ctx_t *ctx,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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80 ngx_str_t *temp_file);
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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84 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */