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0
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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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5
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6
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7 #ifndef _NGX_HTTP_CORE_H_INCLUDED_
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8 #define _NGX_HTTP_CORE_H_INCLUDED_
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9
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10
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406
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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0
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13 #include <ngx_http.h>
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14
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15
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358
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16 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
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17 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
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18 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
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19 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
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20 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
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21 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
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22 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
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23 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
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24 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
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25
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26
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362
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27 #define NGX_HTTP_SATISFY_ALL 0
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28 #define NGX_HTTP_SATISFY_ANY 1
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29
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30
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444
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31 #define NGX_HTTP_IMS_OFF 0
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32 #define NGX_HTTP_IMS_EXACT 1
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33 #define NGX_HTTP_IMS_BEFORE 2
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34
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35
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378
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36 typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
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37 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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38
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39
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0
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40 typedef struct {
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72
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41 unsigned default_server:1;
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42 unsigned bind:1;
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404
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43 #if (NGX_HTTP_SSL)
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44 unsigned ssl:1;
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45 #endif
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72
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46
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47 int backlog;
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112
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48 int rcvbuf;
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49 int sndbuf;
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72
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50
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51 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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52 char *accept_filter;
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53 #endif
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54 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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55 ngx_uint_t deferred_accept;
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56 #endif
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57
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400
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58 u_char addr[NGX_INET_ADDRSTRLEN + sizeof(":65535")];
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180
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59
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72
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60 } ngx_http_listen_conf_t;
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61
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62
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63 typedef struct {
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26
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64 in_addr_t addr;
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65 in_port_t port;
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66 int family;
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72
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67
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336
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68 u_char *file_name;
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69 ngx_uint_t line;
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0
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70
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72
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71 ngx_http_listen_conf_t conf;
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0
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72 } ngx_http_listen_t;
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73
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74
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75 typedef enum {
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122
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76 NGX_HTTP_POST_READ_PHASE = 0,
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0
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77
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122
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78 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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79
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122
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80 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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81 NGX_HTTP_REWRITE_PHASE,
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230
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82 NGX_HTTP_POST_REWRITE_PHASE,
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0
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83
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130
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84 NGX_HTTP_PREACCESS_PHASE,
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85
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0
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86 NGX_HTTP_ACCESS_PHASE,
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230
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87 NGX_HTTP_POST_ACCESS_PHASE,
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88
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430
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89 NGX_HTTP_TRY_FILES_PHASE,
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0
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90 NGX_HTTP_CONTENT_PHASE,
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91
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130
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92 NGX_HTTP_LOG_PHASE
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0
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93 } ngx_http_phases;
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94
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230
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95 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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96
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97 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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98 ngx_http_phase_handler_t *ph);
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99
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100 struct ngx_http_phase_handler_s {
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101 ngx_http_phase_handler_pt checker;
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102 ngx_http_handler_pt handler;
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103 ngx_uint_t next;
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104 };
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105
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106
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107 typedef struct {
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108 ngx_http_phase_handler_t *handlers;
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109 ngx_uint_t server_rewrite_index;
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324
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110 ngx_uint_t location_rewrite_index;
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230
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111 } ngx_http_phase_engine_t;
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112
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0
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113
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114 typedef struct {
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26
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115 ngx_array_t handlers;
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0
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116 } ngx_http_phase_t;
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117
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118
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119 typedef struct {
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34
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120 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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121
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230
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122 ngx_http_phase_engine_t phase_engine;
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0
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123
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198
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124 ngx_hash_t headers_in_hash;
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160
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125
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126 ngx_hash_t variables_hash;
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127
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128 ngx_array_t variables; /* ngx_http_variable_t */
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56
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129
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142
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130 ngx_uint_t server_names_hash_max_size;
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131 ngx_uint_t server_names_hash_bucket_size;
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34
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132
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160
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133 ngx_uint_t variables_hash_max_size;
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134 ngx_uint_t variables_hash_bucket_size;
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135
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136 ngx_hash_keys_arrays_t *variables_keys;
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230
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137
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430
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138 ngx_uint_t try_files; /* unsigned try_files:1 */
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139
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230
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140 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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141 } ngx_http_core_main_conf_t;
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142
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143
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144 typedef struct {
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34
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145 /* array of the ngx_http_listen_t, "listen" directive */
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378
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146 ngx_array_t listen;
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0
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147
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34
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148 /* array of the ngx_http_server_name_t, "server_name" directive */
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378
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149 ngx_array_t server_names;
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0
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150
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151 /* server ctx */
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378
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152 ngx_http_conf_ctx_t *ctx;
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0
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153
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378
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154 ngx_str_t server_name;
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142
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155
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378
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156 size_t connection_pool_size;
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157 size_t request_pool_size;
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158 size_t client_header_buffer_size;
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0
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159
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378
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160 ngx_bufs_t large_client_header_buffers;
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0
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161
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378
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162 ngx_msec_t client_header_timeout;
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0
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163
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378
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164 ngx_flag_t ignore_invalid_headers;
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165 ngx_flag_t merge_slashes;
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412
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166 ngx_flag_t underscores_in_headers;
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378
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167
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168 ngx_http_core_loc_conf_t **named_locations;
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0
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169 } ngx_http_core_srv_conf_t;
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170
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171
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172 /* list of structures to find core_srv_conf quickly at run time */
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173
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142
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174
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175 typedef struct {
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176 in_addr_t addr;
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326
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177
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142
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178 /* the default server configuration for this address:port */
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179 ngx_http_core_srv_conf_t *core_srv_conf;
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326
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180
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142
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181 ngx_http_virtual_names_t *virtual_names;
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404
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182
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183 #if (NGX_HTTP_SSL)
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184 ngx_uint_t ssl; /* unsigned ssl:1; */
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185 #endif
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142
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186 } ngx_http_in_addr_t;
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187
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188
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0
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189 typedef struct {
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26
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190 in_port_t port;
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191 ngx_str_t port_text;
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142
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192 ngx_http_in_addr_t *addrs;
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193 ngx_uint_t naddrs;
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0
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194 } ngx_http_in_port_t;
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195
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196
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142
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197 typedef struct {
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198 in_port_t port;
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199 ngx_array_t addrs; /* array of ngx_http_conf_in_addr_t */
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200 } ngx_http_conf_in_port_t;
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201
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202
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203 typedef struct {
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0
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204 in_addr_t addr;
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26
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205
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142
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206 ngx_hash_t hash;
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312
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207 ngx_hash_wildcard_t *wc_head;
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208 ngx_hash_wildcard_t *wc_tail;
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142
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209
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210 ngx_array_t names; /* array of ngx_http_server_name_t */
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26
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211
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326
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212 #if (NGX_PCRE)
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213 ngx_uint_t nregex;
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214 ngx_http_server_name_t *regex;
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215 #endif
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216
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26
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217 /* the default server configuration for this address:port */
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218 ngx_http_core_srv_conf_t *core_srv_conf;
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0
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219
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142
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220 unsigned default_server:1;
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221 unsigned bind:1;
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404
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222 #if (NGX_HTTP_SSL)
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223 unsigned ssl:1;
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224 #endif
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142
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225
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226 ngx_http_listen_conf_t *listen_conf;
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227 } ngx_http_conf_in_addr_t;
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0
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228
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229
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326
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230 struct ngx_http_server_name_s {
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231 #if (NGX_PCRE)
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232 ngx_regex_t *regex;
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233 #endif
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234 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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0
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235 ngx_str_t name;
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326
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236 };
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0
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237
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238
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239 typedef struct {
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222
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240 ngx_int_t status;
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241 ngx_int_t overwrite;
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242 ngx_str_t uri;
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372
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243 ngx_str_t args;
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222
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244 ngx_array_t *uri_lengths;
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245 ngx_array_t *uri_values;
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0
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246 } ngx_http_err_page_t;
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247
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248
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430
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249 typedef struct {
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250 ngx_array_t *lengths;
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251 ngx_array_t *values;
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252 ngx_str_t name;
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440
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253 ngx_uint_t test_dir; /* unsigned test_dir:1; */
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430
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254 } ngx_http_try_file_t;
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255
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256
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0
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257 struct ngx_http_core_loc_conf_s {
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258 ngx_str_t name; /* location name */
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259
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4
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260 #if (NGX_PCRE)
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0
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261 ngx_regex_t *regex;
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262 #endif
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263
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324
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264 unsigned noname:1; /* "if () {}" block or limit_except */
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265 unsigned named:1;
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34
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266
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0
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267 unsigned exact_match:1;
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16
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268 unsigned noregex:1;
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269
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0
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270 unsigned auto_redirect:1;
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271 unsigned alias:1;
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400
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272 #if (NGX_HTTP_GZIP)
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273 unsigned gzip_disable_msie6:2;
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274 #endif
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0
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275
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378
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276 ngx_http_location_tree_node_t *static_locations;
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277 ngx_http_core_loc_conf_t **regex_locations;
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0
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278
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279 /* pointer to the modules' loc_conf */
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378
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280 void **loc_conf;
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0
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281
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180
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282 uint32_t limit_except;
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378
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283 void **limit_except_loc_conf;
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180
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284
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0
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285 ngx_http_handler_pt handler;
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286
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126
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287 ngx_str_t root; /* root, alias */
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288 ngx_str_t post_action;
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289
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144
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290 ngx_array_t *root_lengths;
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291 ngx_array_t *root_values;
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292
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138
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293 ngx_array_t *types;
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294 ngx_hash_t types_hash;
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295 ngx_str_t default_type;
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296
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212
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297 off_t client_max_body_size; /* client_max_body_size */
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390
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298 off_t directio; /* directio */
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212
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299
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0
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300 size_t client_body_buffer_size; /* client_body_buffer_size */
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301 size_t send_lowat; /* send_lowat */
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302 size_t postpone_output; /* postpone_output */
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303 size_t limit_rate; /* limit_rate */
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300
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304 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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0
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305
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306 ngx_msec_t client_body_timeout; /* client_body_timeout */
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307 ngx_msec_t send_timeout; /* send_timeout */
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308 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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309 ngx_msec_t lingering_time; /* lingering_time */
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310 ngx_msec_t lingering_timeout; /* lingering_timeout */
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348
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311 ngx_msec_t resolver_timeout; /* resolver_timeout */
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312
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313 ngx_resolver_t *resolver; /* resolver */
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0
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314
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315 time_t keepalive_header; /* keepalive_timeout */
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316
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362
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317 ngx_uint_t satisfy; /* satisfy */
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424
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318 ngx_uint_t if_modified_since; /* if_modified_since */
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362
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319
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58
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320 ngx_flag_t internal; /* internal */
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182
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321 ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
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0
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322 ngx_flag_t sendfile; /* sendfile */
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323 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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324 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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0
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325 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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362
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326 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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70
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327 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
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328 ngx_flag_t msie_padding; /* msie_padding */
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228
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329 ngx_flag_t msie_refresh; /* msie_refresh */
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76
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330 ngx_flag_t log_not_found; /* log_not_found */
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412
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331 ngx_flag_t log_subrequest; /* log_subrequest */
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228
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332 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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342
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333 ngx_flag_t server_tokens; /* server_tokens */
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0
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334
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358
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335 #if (NGX_HTTP_GZIP)
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336 ngx_flag_t gzip_vary; /* gzip_vary */
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337
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338 ngx_uint_t gzip_http_version; /* gzip_http_version */
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339 ngx_uint_t gzip_proxied; /* gzip_proxied */
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340
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341 #if (NGX_PCRE)
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342 ngx_array_t *gzip_disable; /* gzip_disable */
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343 #endif
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344 #endif
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345
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0
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346 ngx_array_t *error_pages; /* error_page */
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430
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347 ngx_http_try_file_t *try_files; /* try_files */
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0
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348
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28
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349 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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350
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332
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351 ngx_open_file_cache_t *open_file_cache;
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358
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352 time_t open_file_cache_valid;
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353 ngx_uint_t open_file_cache_min_uses;
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332
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354 ngx_flag_t open_file_cache_errors;
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355 ngx_flag_t open_file_cache_events;
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0
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356
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357 ngx_log_t *err_log;
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358
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138
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359 ngx_uint_t types_hash_max_size;
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360 ngx_uint_t types_hash_bucket_size;
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361
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378
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362 ngx_queue_t *locations;
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363
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34
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364 #if 0
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0
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365 ngx_http_core_loc_conf_t *prev_location;
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34
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366 #endif
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0
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367 };
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368
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369
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378
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370 typedef struct {
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371 ngx_queue_t queue;
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372 ngx_http_core_loc_conf_t *exact;
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373 ngx_http_core_loc_conf_t *inclusive;
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374 ngx_str_t *name;
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375 u_char *file_name;
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376 ngx_uint_t line;
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377 ngx_queue_t list;
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378 } ngx_http_location_queue_t;
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379
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380
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381 struct ngx_http_location_tree_node_s {
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382 ngx_http_location_tree_node_t *left;
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383 ngx_http_location_tree_node_t *right;
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384 ngx_http_location_tree_node_t *tree;
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385
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386 ngx_http_core_loc_conf_t *exact;
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387 ngx_http_core_loc_conf_t *inclusive;
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388
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389 u_char auto_redirect;
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390 u_char len;
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391 u_char name[1];
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392 };
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393
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394
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230
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395 void ngx_http_core_run_phases(ngx_http_request_t *r);
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396 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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397 ngx_http_phase_handler_t *ph);
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398 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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399 ngx_http_phase_handler_t *ph);
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400 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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401 ngx_http_phase_handler_t *ph);
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402 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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403 ngx_http_phase_handler_t *ph);
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404 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
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405 ngx_http_phase_handler_t *ph);
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430
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406 ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
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407 ngx_http_phase_handler_t *ph);
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230
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408 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
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409 ngx_http_phase_handler_t *ph);
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0
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410
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392
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411
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412 void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash);
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0
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413 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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414 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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106
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415 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
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248
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416 size_t *root_length, size_t reserved);
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88
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417 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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362
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418 ngx_int_t ngx_http_server_addr(ngx_http_request_t *r, ngx_str_t *s);
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358
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419 #if (NGX_HTTP_GZIP)
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420 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
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421 #endif
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422
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0
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423
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58
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424 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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244
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425 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
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248
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426 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
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0
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427 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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48
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428 ngx_str_t *uri, ngx_str_t *args);
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324
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429 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
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430
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|
34
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431
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118
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432 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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433
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0
|
434
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435 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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436 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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48
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437 (ngx_http_request_t *r, ngx_chain_t *chain);
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|
0
|
438
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439
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440 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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441 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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442
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|
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443
|
|
126
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444 extern ngx_module_t ngx_http_core_module;
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445
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446 extern ngx_uint_t ngx_http_max_module;
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447
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448
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|
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449 #define ngx_http_clear_content_length(r) \
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450 \
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451 r->headers_out.content_length_n = -1; \
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|
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452 if (r->headers_out.content_length) { \
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453 r->headers_out.content_length->hash = 0; \
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454 r->headers_out.content_length = NULL; \
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|
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455 }
|
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456 \
|
|
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457 #define ngx_http_clear_accept_ranges(r) \
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|
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458 \
|
|
130
|
459 r->allow_ranges = 0; \
|
|
126
|
460 if (r->headers_out.accept_ranges) { \
|
|
378
|
461 r->headers_out.accept_ranges->hash = 0; \
|
|
126
|
462 r->headers_out.accept_ranges = NULL; \
|
|
|
463 }
|
|
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464
|
|
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465 #define ngx_http_clear_last_modified(r) \
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|
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466 \
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|
|
467 r->headers_out.last_modified_time = -1; \
|
|
|
468 if (r->headers_out.last_modified) { \
|
|
|
469 r->headers_out.last_modified->hash = 0; \
|
|
|
470 r->headers_out.last_modified = NULL; \
|
|
|
471 }
|
|
|
472
|
|
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473
|
|
0
|
474 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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