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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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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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654
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80 unsigned so_keepalive:2;
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72
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81
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82 int backlog;
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112
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83 int rcvbuf;
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84 int sndbuf;
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584
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85 #if (NGX_HAVE_SETFIB)
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86 int setfib;
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87 #endif
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654
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88 #if (NGX_HAVE_KEEPALIVE_TUNABLE)
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89 int tcp_keepidle;
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90 int tcp_keepintvl;
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91 int tcp_keepcnt;
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92 #endif
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72
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93
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94 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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95 char *accept_filter;
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96 #endif
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97 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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98 ngx_uint_t deferred_accept;
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99 #endif
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100
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448
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101 u_char addr[NGX_SOCKADDR_STRLEN + 1];
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538
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102 } ngx_http_listen_opt_t;
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0
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103
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104
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105 typedef enum {
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122
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106 NGX_HTTP_POST_READ_PHASE = 0,
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0
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107
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122
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108 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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109
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122
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110 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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111 NGX_HTTP_REWRITE_PHASE,
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230
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112 NGX_HTTP_POST_REWRITE_PHASE,
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0
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113
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130
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114 NGX_HTTP_PREACCESS_PHASE,
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115
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0
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116 NGX_HTTP_ACCESS_PHASE,
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230
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117 NGX_HTTP_POST_ACCESS_PHASE,
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118
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430
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119 NGX_HTTP_TRY_FILES_PHASE,
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0
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120 NGX_HTTP_CONTENT_PHASE,
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121
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130
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122 NGX_HTTP_LOG_PHASE
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0
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123 } ngx_http_phases;
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124
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230
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125 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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126
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127 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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128 ngx_http_phase_handler_t *ph);
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129
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130 struct ngx_http_phase_handler_s {
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131 ngx_http_phase_handler_pt checker;
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132 ngx_http_handler_pt handler;
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133 ngx_uint_t next;
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134 };
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135
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136
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137 typedef struct {
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138 ngx_http_phase_handler_t *handlers;
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139 ngx_uint_t server_rewrite_index;
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324
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140 ngx_uint_t location_rewrite_index;
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230
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141 } ngx_http_phase_engine_t;
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142
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0
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143
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144 typedef struct {
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26
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145 ngx_array_t handlers;
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0
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146 } ngx_http_phase_t;
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147
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148
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149 typedef struct {
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34
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150 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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151
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230
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152 ngx_http_phase_engine_t phase_engine;
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0
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153
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198
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154 ngx_hash_t headers_in_hash;
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160
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155
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156 ngx_hash_t variables_hash;
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157
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158 ngx_array_t variables; /* ngx_http_variable_t */
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546
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159 ngx_uint_t ncaptures;
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56
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160
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142
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161 ngx_uint_t server_names_hash_max_size;
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162 ngx_uint_t server_names_hash_bucket_size;
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34
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163
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160
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164 ngx_uint_t variables_hash_max_size;
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165 ngx_uint_t variables_hash_bucket_size;
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166
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167 ngx_hash_keys_arrays_t *variables_keys;
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230
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168
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538
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169 ngx_array_t *ports;
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170
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430
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171 ngx_uint_t try_files; /* unsigned try_files:1 */
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172
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230
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173 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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174 } ngx_http_core_main_conf_t;
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175
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176
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177 typedef struct {
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34
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178 /* array of the ngx_http_server_name_t, "server_name" directive */
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378
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179 ngx_array_t server_names;
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0
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180
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181 /* server ctx */
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378
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182 ngx_http_conf_ctx_t *ctx;
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0
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183
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378
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184 ngx_str_t server_name;
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142
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185
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378
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186 size_t connection_pool_size;
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187 size_t request_pool_size;
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188 size_t client_header_buffer_size;
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0
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189
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378
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190 ngx_bufs_t large_client_header_buffers;
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0
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191
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378
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192 ngx_msec_t client_header_timeout;
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0
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193
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378
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194 ngx_flag_t ignore_invalid_headers;
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195 ngx_flag_t merge_slashes;
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412
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196 ngx_flag_t underscores_in_headers;
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378
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197
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538
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198 unsigned listen:1;
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199 #if (NGX_PCRE)
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200 unsigned captures:1;
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201 #endif
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202
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378
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203 ngx_http_core_loc_conf_t **named_locations;
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0
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204 } ngx_http_core_srv_conf_t;
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205
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206
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207 /* list of structures to find core_srv_conf quickly at run time */
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208
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142
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209
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210 typedef struct {
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211 /* the default server configuration for this address:port */
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538
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212 ngx_http_core_srv_conf_t *default_server;
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326
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213
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478
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214 ngx_http_virtual_names_t *virtual_names;
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215
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404
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216 #if (NGX_HTTP_SSL)
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217 ngx_uint_t ssl; /* unsigned ssl:1; */
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218 #endif
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448
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219 } ngx_http_addr_conf_t;
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220
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221
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222 typedef struct {
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223 in_addr_t addr;
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224 ngx_http_addr_conf_t conf;
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142
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225 } ngx_http_in_addr_t;
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226
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227
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448
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228 #if (NGX_HAVE_INET6)
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229
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230 typedef struct {
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231 struct in6_addr addr6;
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232 ngx_http_addr_conf_t conf;
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233 } ngx_http_in6_addr_t;
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234
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235 #endif
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236
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237
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0
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238 typedef struct {
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448
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239 /* ngx_http_in_addr_t or ngx_http_in6_addr_t */
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240 void *addrs;
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142
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241 ngx_uint_t naddrs;
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448
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242 } ngx_http_port_t;
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0
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243
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244
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142
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245 typedef struct {
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448
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246 ngx_int_t family;
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142
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247 in_port_t port;
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448
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248 ngx_array_t addrs; /* array of ngx_http_conf_addr_t */
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249 } ngx_http_conf_port_t;
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142
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250
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251
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252 typedef struct {
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538
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253 ngx_http_listen_opt_t opt;
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26
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254
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142
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255 ngx_hash_t hash;
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312
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256 ngx_hash_wildcard_t *wc_head;
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257 ngx_hash_wildcard_t *wc_tail;
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142
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258
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326
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259 #if (NGX_PCRE)
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260 ngx_uint_t nregex;
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261 ngx_http_server_name_t *regex;
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262 #endif
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263
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26
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264 /* the default server configuration for this address:port */
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538
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265 ngx_http_core_srv_conf_t *default_server;
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266 ngx_array_t servers; /* array of ngx_http_core_srv_conf_t */
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448
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267 } ngx_http_conf_addr_t;
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0
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268
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269
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326
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270 struct ngx_http_server_name_s {
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271 #if (NGX_PCRE)
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546
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272 ngx_http_regex_t *regex;
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326
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273 #endif
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538
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274 ngx_http_core_srv_conf_t *server; /* virtual name server conf */
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0
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275 ngx_str_t name;
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326
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276 };
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0
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277
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278
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279 typedef struct {
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222
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280 ngx_int_t status;
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281 ngx_int_t overwrite;
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464
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282 ngx_http_complex_value_t value;
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372
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283 ngx_str_t args;
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0
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284 } ngx_http_err_page_t;
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285
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286
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430
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287 typedef struct {
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288 ngx_array_t *lengths;
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289 ngx_array_t *values;
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290 ngx_str_t name;
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478
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291
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292 unsigned code:10;
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293 unsigned test_dir:1;
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430
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294 } ngx_http_try_file_t;
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295
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296
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0
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297 struct ngx_http_core_loc_conf_s {
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298 ngx_str_t name; /* location name */
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299
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4
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300 #if (NGX_PCRE)
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546
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301 ngx_http_regex_t *regex;
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0
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302 #endif
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303
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324
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304 unsigned noname:1; /* "if () {}" block or limit_except */
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592
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305 unsigned lmt_excpt:1;
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324
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306 unsigned named:1;
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34
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307
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0
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308 unsigned exact_match:1;
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16
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309 unsigned noregex:1;
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310
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0
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311 unsigned auto_redirect:1;
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400
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312 #if (NGX_HTTP_GZIP)
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313 unsigned gzip_disable_msie6:2;
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602
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314 #if (NGX_HTTP_DEGRADATION)
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315 unsigned gzip_disable_degradation:2;
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316 #endif
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400
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317 #endif
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0
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318
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378
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319 ngx_http_location_tree_node_t *static_locations;
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456
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320 #if (NGX_PCRE)
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378
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321 ngx_http_core_loc_conf_t **regex_locations;
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456
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322 #endif
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0
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323
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324 /* pointer to the modules' loc_conf */
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378
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325 void **loc_conf;
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0
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326
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180
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327 uint32_t limit_except;
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378
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328 void **limit_except_loc_conf;
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180
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329
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0
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330 ngx_http_handler_pt handler;
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331
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574
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332 /* location name length for inclusive location with inherited alias */
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333 size_t alias;
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126
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334 ngx_str_t root; /* root, alias */
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335 ngx_str_t post_action;
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336
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144
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337 ngx_array_t *root_lengths;
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338 ngx_array_t *root_values;
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339
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138
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340 ngx_array_t *types;
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341 ngx_hash_t types_hash;
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342 ngx_str_t default_type;
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343
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212
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344 off_t client_max_body_size; /* client_max_body_size */
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390
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345 off_t directio; /* directio */
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518
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346 off_t directio_alignment; /* directio_alignment */
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212
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347
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0
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348 size_t client_body_buffer_size; /* client_body_buffer_size */
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349 size_t send_lowat; /* send_lowat */
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350 size_t postpone_output; /* postpone_output */
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351 size_t limit_rate; /* limit_rate */
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496
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352 size_t limit_rate_after; /* limit_rate_after */
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300
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353 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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532
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354 size_t read_ahead; /* read_ahead */
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0
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355
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356 ngx_msec_t client_body_timeout; /* client_body_timeout */
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357 ngx_msec_t send_timeout; /* send_timeout */
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358 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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359 ngx_msec_t lingering_time; /* lingering_time */
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360 ngx_msec_t lingering_timeout; /* lingering_timeout */
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348
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361 ngx_msec_t resolver_timeout; /* resolver_timeout */
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362
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363 ngx_resolver_t *resolver; /* resolver */
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0
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364
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365 time_t keepalive_header; /* keepalive_timeout */
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366
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496
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367 ngx_uint_t keepalive_requests; /* keepalive_requests */
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604
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368 ngx_uint_t keepalive_disable; /* keepalive_disable */
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362
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369 ngx_uint_t satisfy; /* satisfy */
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632
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370 ngx_uint_t lingering_close; /* lingering_close */
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424
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371 ngx_uint_t if_modified_since; /* if_modified_since */
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636
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372 ngx_uint_t max_ranges; /* max_ranges */
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492
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373 ngx_uint_t client_body_in_file_only; /* client_body_in_file_only */
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362
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374
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492
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375 ngx_flag_t client_body_in_single_buffer;
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376 /* client_body_in_singe_buffer */
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58
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377 ngx_flag_t internal; /* internal */
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0
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378 ngx_flag_t sendfile; /* sendfile */
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518
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379 #if (NGX_HAVE_FILE_AIO)
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380 ngx_flag_t aio; /* aio */
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381 #endif
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0
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382 ngx_flag_t tcp_nopush; /* tcp_nopush */
|
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2
|
383 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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|
0
|
384 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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362
|
385 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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70
|
386 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
|
387 ngx_flag_t msie_padding; /* msie_padding */
|
|
228
|
388 ngx_flag_t msie_refresh; /* msie_refresh */
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|
76
|
389 ngx_flag_t log_not_found; /* log_not_found */
|
|
412
|
390 ngx_flag_t log_subrequest; /* log_subrequest */
|
|
228
|
391 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
|
|
342
|
392 ngx_flag_t server_tokens; /* server_tokens */
|
|
566
|
393 ngx_flag_t chunked_transfer_encoding; /* chunked_transfer_encoding */
|
|
0
|
394
|
|
358
|
395 #if (NGX_HTTP_GZIP)
|
|
|
396 ngx_flag_t gzip_vary; /* gzip_vary */
|
|
|
397
|
|
|
398 ngx_uint_t gzip_http_version; /* gzip_http_version */
|
|
|
399 ngx_uint_t gzip_proxied; /* gzip_proxied */
|
|
|
400
|
|
|
401 #if (NGX_PCRE)
|
|
|
402 ngx_array_t *gzip_disable; /* gzip_disable */
|
|
|
403 #endif
|
|
|
404 #endif
|
|
|
405
|
|
0
|
406 ngx_array_t *error_pages; /* error_page */
|
|
430
|
407 ngx_http_try_file_t *try_files; /* try_files */
|
|
0
|
408
|
|
28
|
409 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
|
|
|
410
|
|
332
|
411 ngx_open_file_cache_t *open_file_cache;
|
|
358
|
412 time_t open_file_cache_valid;
|
|
|
413 ngx_uint_t open_file_cache_min_uses;
|
|
332
|
414 ngx_flag_t open_file_cache_errors;
|
|
|
415 ngx_flag_t open_file_cache_events;
|
|
0
|
416
|
|
484
|
417 ngx_log_t *error_log;
|
|
0
|
418
|
|
138
|
419 ngx_uint_t types_hash_max_size;
|
|
|
420 ngx_uint_t types_hash_bucket_size;
|
|
|
421
|
|
378
|
422 ngx_queue_t *locations;
|
|
|
423
|
|
34
|
424 #if 0
|
|
0
|
425 ngx_http_core_loc_conf_t *prev_location;
|
|
34
|
426 #endif
|
|
0
|
427 };
|
|
|
428
|
|
|
429
|
|
378
|
430 typedef struct {
|
|
|
431 ngx_queue_t queue;
|
|
|
432 ngx_http_core_loc_conf_t *exact;
|
|
|
433 ngx_http_core_loc_conf_t *inclusive;
|
|
|
434 ngx_str_t *name;
|
|
|
435 u_char *file_name;
|
|
|
436 ngx_uint_t line;
|
|
|
437 ngx_queue_t list;
|
|
|
438 } ngx_http_location_queue_t;
|
|
|
439
|
|
|
440
|
|
|
441 struct ngx_http_location_tree_node_s {
|
|
|
442 ngx_http_location_tree_node_t *left;
|
|
|
443 ngx_http_location_tree_node_t *right;
|
|
|
444 ngx_http_location_tree_node_t *tree;
|
|
|
445
|
|
|
446 ngx_http_core_loc_conf_t *exact;
|
|
|
447 ngx_http_core_loc_conf_t *inclusive;
|
|
|
448
|
|
|
449 u_char auto_redirect;
|
|
|
450 u_char len;
|
|
|
451 u_char name[1];
|
|
|
452 };
|
|
|
453
|
|
|
454
|
|
230
|
455 void ngx_http_core_run_phases(ngx_http_request_t *r);
|
|
|
456 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
|
|
|
457 ngx_http_phase_handler_t *ph);
|
|
580
|
458 ngx_int_t ngx_http_core_rewrite_phase(ngx_http_request_t *r,
|
|
|
459 ngx_http_phase_handler_t *ph);
|
|
230
|
460 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
|
|
|
461 ngx_http_phase_handler_t *ph);
|
|
|
462 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
|
|
|
463 ngx_http_phase_handler_t *ph);
|
|
|
464 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
|
|
|
465 ngx_http_phase_handler_t *ph);
|
|
|
466 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
|
|
|
467 ngx_http_phase_handler_t *ph);
|
|
430
|
468 ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
|
|
|
469 ngx_http_phase_handler_t *ph);
|
|
230
|
470 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
|
|
|
471 ngx_http_phase_handler_t *ph);
|
|
0
|
472
|
|
392
|
473
|
|
|
474 void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash);
|
|
0
|
475 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
|
|
508
|
476 void ngx_http_set_exten(ngx_http_request_t *r);
|
|
580
|
477 ngx_int_t ngx_http_send_response(ngx_http_request_t *r, ngx_uint_t status,
|
|
|
478 ngx_str_t *ct, ngx_http_complex_value_t *cv);
|
|
106
|
479 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
|
|
248
|
480 size_t *root_length, size_t reserved);
|
|
88
|
481 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
|
|
358
|
482 #if (NGX_HTTP_GZIP)
|
|
|
483 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
|
|
|
484 #endif
|
|
|
485
|
|
0
|
486
|
|
58
|
487 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
|
|
244
|
488 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
|
|
248
|
489 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
|
|
0
|
490 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
|
|
48
|
491 ngx_str_t *uri, ngx_str_t *args);
|
|
324
|
492 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
|
|
|
493
|
|
34
|
494
|
|
118
|
495 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
|
|
|
496
|
|
0
|
497
|
|
|
498 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
|
|
|
499 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
|
|
48
|
500 (ngx_http_request_t *r, ngx_chain_t *chain);
|
|
0
|
501
|
|
|
502
|
|
|
503 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
|
|
|
504 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
|
|
|
505
|
|
|
506
|
|
126
|
507 extern ngx_module_t ngx_http_core_module;
|
|
|
508
|
|
|
509 extern ngx_uint_t ngx_http_max_module;
|
|
|
510
|
|
480
|
511 extern ngx_str_t ngx_http_core_get_method;
|
|
|
512
|
|
126
|
513
|
|
|
514 #define ngx_http_clear_content_length(r) \
|
|
|
515 \
|
|
|
516 r->headers_out.content_length_n = -1; \
|
|
|
517 if (r->headers_out.content_length) { \
|
|
|
518 r->headers_out.content_length->hash = 0; \
|
|
|
519 r->headers_out.content_length = NULL; \
|
|
|
520 }
|
|
|
521 \
|
|
|
522 #define ngx_http_clear_accept_ranges(r) \
|
|
|
523 \
|
|
130
|
524 r->allow_ranges = 0; \
|
|
126
|
525 if (r->headers_out.accept_ranges) { \
|
|
378
|
526 r->headers_out.accept_ranges->hash = 0; \
|
|
126
|
527 r->headers_out.accept_ranges = NULL; \
|
|
|
528 }
|
|
|
529
|
|
|
530 #define ngx_http_clear_last_modified(r) \
|
|
|
531 \
|
|
|
532 r->headers_out.last_modified_time = -1; \
|
|
|
533 if (r->headers_out.last_modified) { \
|
|
|
534 r->headers_out.last_modified->hash = 0; \
|
|
|
535 r->headers_out.last_modified = NULL; \
|
|
|
536 }
|
|
|
537
|
|
644
|
538 #define ngx_http_clear_location(r) \
|
|
|
539 \
|
|
|
540 if (r->headers_out.location) { \
|
|
|
541 r->headers_out.location->hash = 0; \
|
|
|
542 r->headers_out.location = NULL; \
|
|
|
543 }
|
|
|
544
|
|
126
|
545
|
|
0
|
546 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
|
