Mercurial > hg > nginx-quic
annotate src/http/ngx_http_cache.h @ 4920:812c4765c954
Request body: fixed "501 Not Implemented" error handling.
It is not about "Method" but a generic message, and is expected to be used
e.g. if specified Transfer-Encoding is not supported. Fixed message to
match RFC 2616.
Additionally, disable keepalive on such errors as we won't be able to read
request body correctly if we don't understand Transfer-Encoding used.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 21 Nov 2012 00:54:01 +0000 |
parents | d620f497c50f |
children | 43ccaf8e8728 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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8 #ifndef _NGX_HTTP_CACHE_H_INCLUDED_ |
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9 #define _NGX_HTTP_CACHE_H_INCLUDED_ |
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11 |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 #include <ngx_http.h> |
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15 |
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2952 | 17 #define NGX_HTTP_CACHE_MISS 1 |
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18 #define NGX_HTTP_CACHE_BYPASS 2 |
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19 #define NGX_HTTP_CACHE_EXPIRED 3 |
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20 #define NGX_HTTP_CACHE_STALE 4 |
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21 #define NGX_HTTP_CACHE_UPDATING 5 |
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22 #define NGX_HTTP_CACHE_HIT 6 |
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23 #define NGX_HTTP_CACHE_SCARCE 7 |
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24 |
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25 #define NGX_HTTP_CACHE_KEY_LEN 16 |
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26 |
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27 |
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28 typedef struct { |
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29 ngx_uint_t status; |
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30 time_t valid; |
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31 } ngx_http_cache_valid_t; |
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32 |
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33 |
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34 typedef struct { |
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35 ngx_rbtree_node_t node; |
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36 ngx_queue_t queue; |
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37 |
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38 u_char key[NGX_HTTP_CACHE_KEY_LEN |
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39 - sizeof(ngx_rbtree_key_t)]; |
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40 |
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41 unsigned count:20; |
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42 unsigned uses:10; |
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43 unsigned valid_msec:10; |
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44 unsigned error:10; |
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45 unsigned exists:1; |
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46 unsigned updating:1; |
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47 unsigned deleting:1; |
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48 /* 11 unused bits */ |
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49 |
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50 ngx_file_uniq_t uniq; |
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51 time_t expire; |
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52 time_t valid_sec; |
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53 size_t body_start; |
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54 off_t fs_size; |
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55 } ngx_http_file_cache_node_t; |
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56 |
469 | 57 |
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58 struct ngx_http_cache_s { |
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59 ngx_file_t file; |
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60 ngx_array_t keys; |
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61 uint32_t crc32; |
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62 u_char key[NGX_HTTP_CACHE_KEY_LEN]; |
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63 |
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64 ngx_file_uniq_t uniq; |
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65 time_t valid_sec; |
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66 time_t last_modified; |
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67 time_t date; |
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68 |
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69 size_t header_start; |
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70 size_t body_start; |
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71 off_t length; |
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72 off_t fs_size; |
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73 |
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74 ngx_uint_t min_uses; |
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75 ngx_uint_t error; |
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76 ngx_uint_t valid_msec; |
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77 |
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78 ngx_buf_t *buf; |
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79 |
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80 ngx_http_file_cache_t *file_cache; |
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81 ngx_http_file_cache_node_t *node; |
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82 |
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83 ngx_msec_t lock_timeout; |
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84 ngx_msec_t wait_time; |
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85 |
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86 ngx_event_t wait_event; |
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87 |
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88 unsigned lock:1; |
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89 unsigned waiting:1; |
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90 |
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91 unsigned updated:1; |
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92 unsigned updating:1; |
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93 unsigned exists:1; |
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94 unsigned temp_file:1; |
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95 }; |
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96 |
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97 |
473 | 98 typedef struct { |
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99 time_t valid_sec; |
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100 time_t last_modified; |
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101 time_t date; |
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102 uint32_t crc32; |
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103 u_short valid_msec; |
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104 u_short header_start; |
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105 u_short body_start; |
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106 } ngx_http_file_cache_header_t; |
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108 | |
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109 typedef struct { |
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110 ngx_rbtree_t rbtree; |
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111 ngx_rbtree_node_t sentinel; |
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112 ngx_queue_t queue; |
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113 ngx_atomic_t cold; |
3018 | 114 ngx_atomic_t loading; |
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115 off_t size; |
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116 } ngx_http_file_cache_sh_t; |
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117 |
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118 |
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119 struct ngx_http_file_cache_s { |
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120 ngx_http_file_cache_sh_t *sh; |
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121 ngx_slab_pool_t *shpool; |
469 | 122 |
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123 ngx_path_t *path; |
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124 |
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125 off_t max_size; |
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126 size_t bsize; |
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127 |
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128 time_t inactive; |
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129 |
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130 ngx_uint_t files; |
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131 ngx_uint_t loader_files; |
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132 ngx_msec_t last; |
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133 ngx_msec_t loader_sleep; |
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134 ngx_msec_t loader_threshold; |
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135 |
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136 ngx_shm_zone_t *shm_zone; |
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137 }; |
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138 |
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139 |
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140 ngx_int_t ngx_http_file_cache_new(ngx_http_request_t *r); |
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141 ngx_int_t ngx_http_file_cache_create(ngx_http_request_t *r); |
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142 void ngx_http_file_cache_create_key(ngx_http_request_t *r); |
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143 ngx_int_t ngx_http_file_cache_open(ngx_http_request_t *r); |
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144 void ngx_http_file_cache_set_header(ngx_http_request_t *r, u_char *buf); |
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145 void ngx_http_file_cache_update(ngx_http_request_t *r, ngx_temp_file_t *tf); |
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146 ngx_int_t ngx_http_cache_send(ngx_http_request_t *); |
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147 void ngx_http_file_cache_free(ngx_http_cache_t *c, ngx_temp_file_t *tf); |
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148 time_t ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status); |
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149 |
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150 char *ngx_http_file_cache_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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151 void *conf); |
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152 char *ngx_http_file_cache_valid_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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153 void *conf); |
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155 |
2952 | 156 extern ngx_str_t ngx_http_cache_status[]; |
157 | |
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158 |
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159 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */ |