Mercurial > hg > nginx-quic
annotate src/http/ngx_http_cache.h @ 4276:a0f18c78db3b
Fixed Upgrade header clearing with proxy_cache.
This was missed in proxy HTTP/1.1 support commit (r4127).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 14 Nov 2011 13:21:10 +0000 |
parents | d10bcb07d9d4 |
children | 70ba81827472 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_HTTP_CACHE_H_INCLUDED_ |
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8 #define _NGX_HTTP_CACHE_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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13 #include <ngx_http.h> |
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14 |
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2952 | 16 #define NGX_HTTP_CACHE_MISS 1 |
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17 #define NGX_HTTP_CACHE_BYPASS 2 |
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18 #define NGX_HTTP_CACHE_EXPIRED 3 |
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19 #define NGX_HTTP_CACHE_STALE 4 |
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20 #define NGX_HTTP_CACHE_UPDATING 5 |
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21 #define NGX_HTTP_CACHE_HIT 6 |
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22 #define NGX_HTTP_CACHE_SCARCE 7 |
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23 |
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24 #define NGX_HTTP_CACHE_KEY_LEN 16 |
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26 |
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27 typedef struct { |
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28 ngx_uint_t status; |
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29 time_t valid; |
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30 } ngx_http_cache_valid_t; |
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31 |
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32 |
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33 typedef struct { |
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34 ngx_rbtree_node_t node; |
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35 ngx_queue_t queue; |
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36 |
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37 u_char key[NGX_HTTP_CACHE_KEY_LEN |
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38 - sizeof(ngx_rbtree_key_t)]; |
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39 |
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40 unsigned count:20; |
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41 unsigned uses:10; |
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42 unsigned valid_msec:10; |
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43 unsigned error:10; |
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44 unsigned exists:1; |
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45 unsigned updating:1; |
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46 unsigned deleting:1; |
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47 /* 11 unused bits */ |
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48 |
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49 ngx_file_uniq_t uniq; |
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50 time_t expire; |
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51 time_t valid_sec; |
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52 size_t body_start; |
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53 off_t fs_size; |
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54 } ngx_http_file_cache_node_t; |
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55 |
469 | 56 |
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57 struct ngx_http_cache_s { |
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58 ngx_file_t file; |
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59 ngx_array_t keys; |
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60 uint32_t crc32; |
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61 u_char key[NGX_HTTP_CACHE_KEY_LEN]; |
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62 |
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63 ngx_file_uniq_t uniq; |
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64 time_t valid_sec; |
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65 time_t last_modified; |
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66 time_t date; |
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67 |
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68 size_t header_start; |
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69 size_t body_start; |
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70 off_t length; |
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71 off_t fs_size; |
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72 |
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73 ngx_uint_t min_uses; |
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74 ngx_uint_t error; |
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75 ngx_uint_t valid_msec; |
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76 |
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77 ngx_buf_t *buf; |
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78 |
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79 ngx_http_file_cache_t *file_cache; |
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80 ngx_http_file_cache_node_t *node; |
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81 |
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82 unsigned updated:1; |
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83 unsigned updating:1; |
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84 unsigned exists:1; |
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85 unsigned temp_file:1; |
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86 }; |
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87 |
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473 | 89 typedef struct { |
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90 time_t valid_sec; |
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91 time_t last_modified; |
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92 time_t date; |
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93 uint32_t crc32; |
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94 u_short valid_msec; |
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95 u_short header_start; |
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96 u_short body_start; |
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97 } ngx_http_file_cache_header_t; |
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99 | |
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100 typedef struct { |
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101 ngx_rbtree_t rbtree; |
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102 ngx_rbtree_node_t sentinel; |
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103 ngx_queue_t queue; |
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104 ngx_atomic_t cold; |
3018 | 105 ngx_atomic_t loading; |
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106 off_t size; |
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107 } ngx_http_file_cache_sh_t; |
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108 |
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109 |
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110 struct ngx_http_file_cache_s { |
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111 ngx_http_file_cache_sh_t *sh; |
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112 ngx_slab_pool_t *shpool; |
469 | 113 |
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114 ngx_path_t *path; |
201
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115 |
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116 off_t max_size; |
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117 size_t bsize; |
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118 |
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119 time_t inactive; |
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120 |
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121 ngx_uint_t files; |
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122 ngx_uint_t loader_files; |
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123 ngx_msec_t last; |
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124 ngx_msec_t loader_sleep; |
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125 ngx_msec_t loader_threshold; |
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126 |
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127 ngx_shm_zone_t *shm_zone; |
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128 }; |
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129 |
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130 |
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131 ngx_int_t ngx_http_file_cache_new(ngx_http_request_t *r); |
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132 ngx_int_t ngx_http_file_cache_create(ngx_http_request_t *r); |
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133 void ngx_http_file_cache_create_key(ngx_http_request_t *r); |
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134 ngx_int_t ngx_http_file_cache_open(ngx_http_request_t *r); |
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135 void ngx_http_file_cache_set_header(ngx_http_request_t *r, u_char *buf); |
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136 void ngx_http_file_cache_update(ngx_http_request_t *r, ngx_temp_file_t *tf); |
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137 ngx_int_t ngx_http_cache_send(ngx_http_request_t *); |
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138 void ngx_http_file_cache_free(ngx_http_cache_t *c, ngx_temp_file_t *tf); |
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139 time_t ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status); |
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140 |
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141 char *ngx_http_file_cache_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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142 void *conf); |
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143 char *ngx_http_file_cache_valid_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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144 void *conf); |
469 | 145 |
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146 |
2952 | 147 extern ngx_str_t ngx_http_cache_status[]; |
148 | |
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149 |
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150 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */ |