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annotate src/http/ngx_http_cache.h @ 197:0b81c7a0b133

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nginx-0.0.1-2003-11-27-10:45:22 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 27 Nov 2003 07:45:22 +0000
parents 8dee38ea9117
children a65b630b3a66
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
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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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3
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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4
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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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 {
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0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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11 uint32_t crc;
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12 ngx_str_t key;
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13 time_t accessed;
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15 unsigned refs:20; /* 1048576 references */
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16 unsigned count:2; /* lazy allocation: the 4 uses */
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17 unsigned deleted:1;
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18
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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19 ngx_fd_t fd;
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20 time_t last_modified;
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21 time_t updated;
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22
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23 union {
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24 off_t size;
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25 ngx_str_t value;
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26 } data;
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27 } ngx_http_cache_t;
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0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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30 typedef struct {
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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31 time_t expires;
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32 time_t last_modified;
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caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
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33 time_t date;
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34 off_t length;
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ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
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35 size_t key_len;
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c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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36 char key[1];
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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37 } ngx_http_cache_header_t;
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39
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40 #define NGX_HTTP_CACHE_HASH 7
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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41 #define NGX_HTTP_CACHE_NELTS 4
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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42
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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43 typedef struct {
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0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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44 ngx_http_cache_t *elts;
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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45 size_t hash;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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46 size_t nelts;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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47 time_t life_time;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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48 time_t check_time;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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49 ngx_pool_t *pool;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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50 } ngx_http_cache_hash_t;
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51
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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53 typedef struct {
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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54 ngx_http_cache_hash_t *hash;
197
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55 ngx_http_cache_t *cache;
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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56 ngx_file_t file;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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57 ngx_str_t key;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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58 uint32_t crc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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59 u_char md5[16];
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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60 ngx_path_t *path;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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61 ngx_hunk_t *buf;
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62 time_t expires;
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63 time_t last_modified;
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64 time_t date;
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65 off_t length;
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66 ssize_t header_size;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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67 size_t file_start;
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68 ngx_log_t *log;
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69 } ngx_http_cache_ctx_t;
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71
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72 typedef struct {
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73 ngx_http_cache_hash_t *open_files;
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74 } ngx_http_cache_conf_t;
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75
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76
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77 #define NGX_HTTP_CACHE_STALE 1
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78 #define NGX_HTTP_CACHE_AGED 2
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79 #define NGX_HTTP_CACHE_THE_SAME 3
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80
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81
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82 int ngx_http_cache_get_file(ngx_http_request_t *r, ngx_http_cache_ctx_t *ctx);
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83 int ngx_http_cache_open_file(ngx_http_cache_ctx_t *ctx, ngx_file_uniq_t uniq);
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84 int ngx_http_cache_update_file(ngx_http_request_t *r,ngx_http_cache_ctx_t *ctx,
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85 ngx_str_t *temp_file);
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86
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87 ngx_http_cache_t *ngx_http_cache_get(ngx_http_cache_hash_t *cache,
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88 ngx_str_t *key, uint32_t *crc);
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89 ngx_http_cache_t *ngx_http_cache_alloc(ngx_http_cache_hash_t *cache,
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90 ngx_str_t *key, uint32_t crc,
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91 ngx_log_t *log);
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92
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93 int ngx_garbage_collector_http_cache_handler(ngx_gc_t *gc, ngx_str_t *name,
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94 ngx_dir_t *dir);
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95
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96 extern ngx_module_t ngx_http_cache_module;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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100 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */