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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520
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27 #define NGX_HTTP_AIO_OFF 0
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28 #define NGX_HTTP_AIO_ON 1
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29 #define NGX_HTTP_AIO_SENDFILE 2
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30
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31
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362
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32 #define NGX_HTTP_SATISFY_ALL 0
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33 #define NGX_HTTP_SATISFY_ANY 1
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34
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35
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632
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36 #define NGX_HTTP_LINGERING_OFF 0
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37 #define NGX_HTTP_LINGERING_ON 1
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38 #define NGX_HTTP_LINGERING_ALWAYS 2
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39
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40
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444
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41 #define NGX_HTTP_IMS_OFF 0
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42 #define NGX_HTTP_IMS_EXACT 1
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43 #define NGX_HTTP_IMS_BEFORE 2
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44
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45
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604
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46 #define NGX_HTTP_KEEPALIVE_DISABLE_NONE 0x0002
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47 #define NGX_HTTP_KEEPALIVE_DISABLE_MSIE6 0x0004
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48 #define NGX_HTTP_KEEPALIVE_DISABLE_SAFARI 0x0008
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49
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50
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378
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51 typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
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52 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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53
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54
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0
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55 typedef struct {
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558
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56 union {
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57 struct sockaddr sockaddr;
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58 struct sockaddr_in sockaddr_in;
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59 #if (NGX_HAVE_INET6)
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60 struct sockaddr_in6 sockaddr_in6;
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61 #endif
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62 #if (NGX_HAVE_UNIX_DOMAIN)
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63 struct sockaddr_un sockaddr_un;
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64 #endif
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65 u_char sockaddr_data[NGX_SOCKADDRLEN];
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66 } u;
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67
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538
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68 socklen_t socklen;
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69
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70 unsigned set:1;
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72
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71 unsigned default_server:1;
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72 unsigned bind:1;
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448
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73 unsigned wildcard:1;
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404
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74 #if (NGX_HTTP_SSL)
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75 unsigned ssl:1;
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76 #endif
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460
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77 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
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78 unsigned ipv6only:2;
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79 #endif
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72
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80
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81 int backlog;
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112
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82 int rcvbuf;
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83 int sndbuf;
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584
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84 #if (NGX_HAVE_SETFIB)
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85 int setfib;
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86 #endif
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72
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87
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88 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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89 char *accept_filter;
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90 #endif
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91 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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92 ngx_uint_t deferred_accept;
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93 #endif
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94
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448
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95 u_char addr[NGX_SOCKADDR_STRLEN + 1];
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538
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96 } ngx_http_listen_opt_t;
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0
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97
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98
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99 typedef enum {
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122
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100 NGX_HTTP_POST_READ_PHASE = 0,
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0
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101
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122
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102 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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103
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122
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104 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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105 NGX_HTTP_REWRITE_PHASE,
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230
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106 NGX_HTTP_POST_REWRITE_PHASE,
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0
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107
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130
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108 NGX_HTTP_PREACCESS_PHASE,
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109
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0
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110 NGX_HTTP_ACCESS_PHASE,
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230
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111 NGX_HTTP_POST_ACCESS_PHASE,
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112
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430
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113 NGX_HTTP_TRY_FILES_PHASE,
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0
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114 NGX_HTTP_CONTENT_PHASE,
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115
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130
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116 NGX_HTTP_LOG_PHASE
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0
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117 } ngx_http_phases;
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118
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230
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119 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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120
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121 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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122 ngx_http_phase_handler_t *ph);
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123
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124 struct ngx_http_phase_handler_s {
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125 ngx_http_phase_handler_pt checker;
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126 ngx_http_handler_pt handler;
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127 ngx_uint_t next;
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128 };
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129
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130
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131 typedef struct {
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132 ngx_http_phase_handler_t *handlers;
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133 ngx_uint_t server_rewrite_index;
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324
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134 ngx_uint_t location_rewrite_index;
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230
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135 } ngx_http_phase_engine_t;
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136
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0
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137
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138 typedef struct {
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26
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139 ngx_array_t handlers;
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0
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140 } ngx_http_phase_t;
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141
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142
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143 typedef struct {
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34
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144 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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145
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230
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146 ngx_http_phase_engine_t phase_engine;
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0
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147
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198
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148 ngx_hash_t headers_in_hash;
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160
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149
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150 ngx_hash_t variables_hash;
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151
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152 ngx_array_t variables; /* ngx_http_variable_t */
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546
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153 ngx_uint_t ncaptures;
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56
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154
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142
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155 ngx_uint_t server_names_hash_max_size;
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156 ngx_uint_t server_names_hash_bucket_size;
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34
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157
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160
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158 ngx_uint_t variables_hash_max_size;
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159 ngx_uint_t variables_hash_bucket_size;
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160
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161 ngx_hash_keys_arrays_t *variables_keys;
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230
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162
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538
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163 ngx_array_t *ports;
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164
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430
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165 ngx_uint_t try_files; /* unsigned try_files:1 */
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166
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230
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167 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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168 } ngx_http_core_main_conf_t;
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169
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170
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171 typedef struct {
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34
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172 /* array of the ngx_http_server_name_t, "server_name" directive */
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378
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173 ngx_array_t server_names;
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0
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174
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175 /* server ctx */
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378
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176 ngx_http_conf_ctx_t *ctx;
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0
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177
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378
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178 ngx_str_t server_name;
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142
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179
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378
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180 size_t connection_pool_size;
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181 size_t request_pool_size;
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182 size_t client_header_buffer_size;
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0
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183
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378
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184 ngx_bufs_t large_client_header_buffers;
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0
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185
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378
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186 ngx_msec_t client_header_timeout;
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0
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187
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378
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188 ngx_flag_t ignore_invalid_headers;
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189 ngx_flag_t merge_slashes;
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412
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190 ngx_flag_t underscores_in_headers;
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378
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191
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538
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192 unsigned listen:1;
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193 #if (NGX_PCRE)
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194 unsigned captures:1;
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195 #endif
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196
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378
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197 ngx_http_core_loc_conf_t **named_locations;
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0
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198 } ngx_http_core_srv_conf_t;
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199
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200
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201 /* list of structures to find core_srv_conf quickly at run time */
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202
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142
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203
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204 typedef struct {
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205 /* the default server configuration for this address:port */
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538
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206 ngx_http_core_srv_conf_t *default_server;
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326
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207
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478
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208 ngx_http_virtual_names_t *virtual_names;
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209
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404
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210 #if (NGX_HTTP_SSL)
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211 ngx_uint_t ssl; /* unsigned ssl:1; */
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212 #endif
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448
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213 } ngx_http_addr_conf_t;
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214
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215
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216 typedef struct {
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217 in_addr_t addr;
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218 ngx_http_addr_conf_t conf;
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142
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219 } ngx_http_in_addr_t;
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220
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221
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448
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222 #if (NGX_HAVE_INET6)
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223
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224 typedef struct {
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225 struct in6_addr addr6;
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226 ngx_http_addr_conf_t conf;
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227 } ngx_http_in6_addr_t;
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228
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229 #endif
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230
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231
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0
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232 typedef struct {
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448
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233 /* ngx_http_in_addr_t or ngx_http_in6_addr_t */
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234 void *addrs;
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142
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235 ngx_uint_t naddrs;
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448
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236 } ngx_http_port_t;
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0
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237
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238
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142
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239 typedef struct {
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448
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240 ngx_int_t family;
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142
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241 in_port_t port;
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448
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242 ngx_array_t addrs; /* array of ngx_http_conf_addr_t */
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243 } ngx_http_conf_port_t;
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142
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244
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245
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246 typedef struct {
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538
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247 ngx_http_listen_opt_t opt;
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26
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248
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142
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249 ngx_hash_t hash;
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312
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250 ngx_hash_wildcard_t *wc_head;
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251 ngx_hash_wildcard_t *wc_tail;
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142
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252
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326
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253 #if (NGX_PCRE)
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254 ngx_uint_t nregex;
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255 ngx_http_server_name_t *regex;
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256 #endif
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257
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26
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258 /* the default server configuration for this address:port */
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538
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259 ngx_http_core_srv_conf_t *default_server;
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260 ngx_array_t servers; /* array of ngx_http_core_srv_conf_t */
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448
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261 } ngx_http_conf_addr_t;
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0
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262
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263
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326
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264 struct ngx_http_server_name_s {
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265 #if (NGX_PCRE)
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546
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266 ngx_http_regex_t *regex;
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326
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267 #endif
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538
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268 ngx_http_core_srv_conf_t *server; /* virtual name server conf */
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0
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269 ngx_str_t name;
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326
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270 };
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0
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271
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272
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273 typedef struct {
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222
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274 ngx_int_t status;
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275 ngx_int_t overwrite;
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464
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276 ngx_http_complex_value_t value;
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372
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277 ngx_str_t args;
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0
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278 } ngx_http_err_page_t;
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279
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280
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430
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281 typedef struct {
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282 ngx_array_t *lengths;
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283 ngx_array_t *values;
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284 ngx_str_t name;
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478
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285
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286 unsigned code:10;
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287 unsigned test_dir:1;
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430
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288 } ngx_http_try_file_t;
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289
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290
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0
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291 struct ngx_http_core_loc_conf_s {
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292 ngx_str_t name; /* location name */
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293
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4
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294 #if (NGX_PCRE)
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546
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295 ngx_http_regex_t *regex;
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0
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296 #endif
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297
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324
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298 unsigned noname:1; /* "if () {}" block or limit_except */
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592
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299 unsigned lmt_excpt:1;
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324
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300 unsigned named:1;
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34
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301
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0
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302 unsigned exact_match:1;
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16
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303 unsigned noregex:1;
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304
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0
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305 unsigned auto_redirect:1;
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400
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306 #if (NGX_HTTP_GZIP)
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307 unsigned gzip_disable_msie6:2;
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602
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308 #if (NGX_HTTP_DEGRADATION)
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309 unsigned gzip_disable_degradation:2;
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310 #endif
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400
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311 #endif
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0
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312
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378
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313 ngx_http_location_tree_node_t *static_locations;
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456
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314 #if (NGX_PCRE)
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378
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315 ngx_http_core_loc_conf_t **regex_locations;
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456
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316 #endif
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0
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317
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318 /* pointer to the modules' loc_conf */
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378
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319 void **loc_conf;
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0
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320
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180
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321 uint32_t limit_except;
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378
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322 void **limit_except_loc_conf;
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180
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323
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0
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324 ngx_http_handler_pt handler;
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325
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574
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326 /* location name length for inclusive location with inherited alias */
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327 size_t alias;
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126
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328 ngx_str_t root; /* root, alias */
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329 ngx_str_t post_action;
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330
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144
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331 ngx_array_t *root_lengths;
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332 ngx_array_t *root_values;
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333
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138
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334 ngx_array_t *types;
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335 ngx_hash_t types_hash;
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336 ngx_str_t default_type;
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337
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212
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338 off_t client_max_body_size; /* client_max_body_size */
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390
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339 off_t directio; /* directio */
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518
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340 off_t directio_alignment; /* directio_alignment */
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212
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341
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0
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342 size_t client_body_buffer_size; /* client_body_buffer_size */
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343 size_t send_lowat; /* send_lowat */
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344 size_t postpone_output; /* postpone_output */
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345 size_t limit_rate; /* limit_rate */
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496
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346 size_t limit_rate_after; /* limit_rate_after */
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300
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347 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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532
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348 size_t read_ahead; /* read_ahead */
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0
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349
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350 ngx_msec_t client_body_timeout; /* client_body_timeout */
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351 ngx_msec_t send_timeout; /* send_timeout */
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352 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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353 ngx_msec_t lingering_time; /* lingering_time */
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354 ngx_msec_t lingering_timeout; /* lingering_timeout */
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348
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355 ngx_msec_t resolver_timeout; /* resolver_timeout */
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356
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357 ngx_resolver_t *resolver; /* resolver */
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0
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358
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359 time_t keepalive_header; /* keepalive_timeout */
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360
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496
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361 ngx_uint_t keepalive_requests; /* keepalive_requests */
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604
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362 ngx_uint_t keepalive_disable; /* keepalive_disable */
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362
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363 ngx_uint_t satisfy; /* satisfy */
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632
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364 ngx_uint_t lingering_close; /* lingering_close */
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424
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365 ngx_uint_t if_modified_since; /* if_modified_since */
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636
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366 ngx_uint_t max_ranges; /* max_ranges */
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492
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367 ngx_uint_t client_body_in_file_only; /* client_body_in_file_only */
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362
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368
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492
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369 ngx_flag_t client_body_in_single_buffer;
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370 /* client_body_in_singe_buffer */
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58
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371 ngx_flag_t internal; /* internal */
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0
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372 ngx_flag_t sendfile; /* sendfile */
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518
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373 #if (NGX_HAVE_FILE_AIO)
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374 ngx_flag_t aio; /* aio */
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375 #endif
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0
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376 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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377 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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0
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378 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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362
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379 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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70
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380 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
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381 ngx_flag_t msie_padding; /* msie_padding */
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228
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382 ngx_flag_t msie_refresh; /* msie_refresh */
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76
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383 ngx_flag_t log_not_found; /* log_not_found */
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412
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384 ngx_flag_t log_subrequest; /* log_subrequest */
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228
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385 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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342
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386 ngx_flag_t server_tokens; /* server_tokens */
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566
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387 ngx_flag_t chunked_transfer_encoding; /* chunked_transfer_encoding */
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0
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388
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358
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389 #if (NGX_HTTP_GZIP)
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390 ngx_flag_t gzip_vary; /* gzip_vary */
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391
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392 ngx_uint_t gzip_http_version; /* gzip_http_version */
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393 ngx_uint_t gzip_proxied; /* gzip_proxied */
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394
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395 #if (NGX_PCRE)
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396 ngx_array_t *gzip_disable; /* gzip_disable */
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397 #endif
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398 #endif
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399
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0
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400 ngx_array_t *error_pages; /* error_page */
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430
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401 ngx_http_try_file_t *try_files; /* try_files */
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0
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402
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28
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403 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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404
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332
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405 ngx_open_file_cache_t *open_file_cache;
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358
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406 time_t open_file_cache_valid;
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407 ngx_uint_t open_file_cache_min_uses;
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332
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408 ngx_flag_t open_file_cache_errors;
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409 ngx_flag_t open_file_cache_events;
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0
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410
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484
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411 ngx_log_t *error_log;
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0
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412
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138
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413 ngx_uint_t types_hash_max_size;
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414 ngx_uint_t types_hash_bucket_size;
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415
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378
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416 ngx_queue_t *locations;
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417
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34
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418 #if 0
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0
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419 ngx_http_core_loc_conf_t *prev_location;
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34
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420 #endif
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0
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421 };
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422
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423
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378
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424 typedef struct {
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425 ngx_queue_t queue;
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426 ngx_http_core_loc_conf_t *exact;
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427 ngx_http_core_loc_conf_t *inclusive;
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428 ngx_str_t *name;
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429 u_char *file_name;
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430 ngx_uint_t line;
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431 ngx_queue_t list;
|
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432 } ngx_http_location_queue_t;
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433
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434
|
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435 struct ngx_http_location_tree_node_s {
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436 ngx_http_location_tree_node_t *left;
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437 ngx_http_location_tree_node_t *right;
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438 ngx_http_location_tree_node_t *tree;
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439
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440 ngx_http_core_loc_conf_t *exact;
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441 ngx_http_core_loc_conf_t *inclusive;
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442
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443 u_char auto_redirect;
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444 u_char len;
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445 u_char name[1];
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446 };
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447
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448
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230
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449 void ngx_http_core_run_phases(ngx_http_request_t *r);
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450 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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451 ngx_http_phase_handler_t *ph);
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580
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452 ngx_int_t ngx_http_core_rewrite_phase(ngx_http_request_t *r,
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453 ngx_http_phase_handler_t *ph);
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230
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454 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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455 ngx_http_phase_handler_t *ph);
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456 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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457 ngx_http_phase_handler_t *ph);
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458 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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459 ngx_http_phase_handler_t *ph);
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460 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
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461 ngx_http_phase_handler_t *ph);
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430
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462 ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
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463 ngx_http_phase_handler_t *ph);
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230
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464 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
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465 ngx_http_phase_handler_t *ph);
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0
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466
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392
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467
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468 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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469 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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508
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470 void ngx_http_set_exten(ngx_http_request_t *r);
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580
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471 ngx_int_t ngx_http_send_response(ngx_http_request_t *r, ngx_uint_t status,
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472 ngx_str_t *ct, ngx_http_complex_value_t *cv);
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106
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473 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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474 size_t *root_length, size_t reserved);
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88
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475 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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358
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476 #if (NGX_HTTP_GZIP)
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477 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
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478 #endif
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479
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0
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480
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58
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481 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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244
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482 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
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248
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483 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
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0
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484 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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48
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485 ngx_str_t *uri, ngx_str_t *args);
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324
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486 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
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487
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34
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488
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118
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489 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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490
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0
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491
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492 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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493 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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48
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494 (ngx_http_request_t *r, ngx_chain_t *chain);
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0
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495
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496
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497 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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498 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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499
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500
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126
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501 extern ngx_module_t ngx_http_core_module;
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502
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503 extern ngx_uint_t ngx_http_max_module;
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504
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480
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505 extern ngx_str_t ngx_http_core_get_method;
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506
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126
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507
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508 #define ngx_http_clear_content_length(r) \
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509 \
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510 r->headers_out.content_length_n = -1; \
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511 if (r->headers_out.content_length) { \
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512 r->headers_out.content_length->hash = 0; \
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513 r->headers_out.content_length = NULL; \
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514 }
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515 \
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516 #define ngx_http_clear_accept_ranges(r) \
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517 \
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130
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518 r->allow_ranges = 0; \
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126
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519 if (r->headers_out.accept_ranges) { \
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378
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520 r->headers_out.accept_ranges->hash = 0; \
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126
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521 r->headers_out.accept_ranges = NULL; \
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522 }
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523
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524 #define ngx_http_clear_last_modified(r) \
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525 \
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526 r->headers_out.last_modified_time = -1; \
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527 if (r->headers_out.last_modified) { \
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528 r->headers_out.last_modified->hash = 0; \
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529 r->headers_out.last_modified = NULL; \
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530 }
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531
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532
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0
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533 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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