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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_HTTP_CORE_H_INCLUDED_
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8 #define _NGX_HTTP_CORE_H_INCLUDED_
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9
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10
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406
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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0
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13 #include <ngx_http.h>
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14
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15
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358
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16 #define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
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17 #define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
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18 #define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
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19 #define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
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20 #define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
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21 #define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
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22 #define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
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23 #define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
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24 #define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
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25
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26
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362
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27 #define NGX_HTTP_SATISFY_ALL 0
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28 #define NGX_HTTP_SATISFY_ANY 1
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29
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30
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444
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31 #define NGX_HTTP_IMS_OFF 0
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32 #define NGX_HTTP_IMS_EXACT 1
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33 #define NGX_HTTP_IMS_BEFORE 2
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34
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35
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378
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36 typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
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37 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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38
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39
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0
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40 typedef struct {
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72
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41 unsigned default_server:1;
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42 unsigned bind:1;
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448
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43 unsigned wildcard:1;
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404
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44 #if (NGX_HTTP_SSL)
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45 unsigned ssl:1;
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46 #endif
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72
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47
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48 int backlog;
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112
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49 int rcvbuf;
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50 int sndbuf;
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72
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51
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52 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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53 char *accept_filter;
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54 #endif
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55 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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56 ngx_uint_t deferred_accept;
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57 #endif
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58
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448
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59 u_char addr[NGX_SOCKADDR_STRLEN + 1];
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72
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60 } ngx_http_listen_conf_t;
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61
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62
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63 typedef struct {
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448
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64 u_char sockaddr[NGX_SOCKADDRLEN];
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65 socklen_t socklen;
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72
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66
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336
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67 u_char *file_name;
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68 ngx_uint_t line;
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0
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69
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72
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70 ngx_http_listen_conf_t conf;
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0
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71 } ngx_http_listen_t;
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72
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73
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74 typedef enum {
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122
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75 NGX_HTTP_POST_READ_PHASE = 0,
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0
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76
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122
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77 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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78
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122
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79 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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80 NGX_HTTP_REWRITE_PHASE,
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230
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81 NGX_HTTP_POST_REWRITE_PHASE,
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0
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82
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130
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83 NGX_HTTP_PREACCESS_PHASE,
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84
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0
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85 NGX_HTTP_ACCESS_PHASE,
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230
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86 NGX_HTTP_POST_ACCESS_PHASE,
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87
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430
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88 NGX_HTTP_TRY_FILES_PHASE,
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0
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89 NGX_HTTP_CONTENT_PHASE,
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90
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130
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91 NGX_HTTP_LOG_PHASE
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0
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92 } ngx_http_phases;
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93
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230
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94 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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95
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96 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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97 ngx_http_phase_handler_t *ph);
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98
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99 struct ngx_http_phase_handler_s {
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100 ngx_http_phase_handler_pt checker;
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101 ngx_http_handler_pt handler;
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102 ngx_uint_t next;
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103 };
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104
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105
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106 typedef struct {
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107 ngx_http_phase_handler_t *handlers;
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108 ngx_uint_t server_rewrite_index;
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324
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109 ngx_uint_t location_rewrite_index;
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230
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110 } ngx_http_phase_engine_t;
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111
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0
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112
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113 typedef struct {
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26
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114 ngx_array_t handlers;
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0
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115 } ngx_http_phase_t;
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116
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117
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118 typedef struct {
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34
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119 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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120
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230
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121 ngx_http_phase_engine_t phase_engine;
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0
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122
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198
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123 ngx_hash_t headers_in_hash;
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160
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124
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125 ngx_hash_t variables_hash;
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126
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127 ngx_array_t variables; /* ngx_http_variable_t */
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56
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128
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142
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129 ngx_uint_t server_names_hash_max_size;
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130 ngx_uint_t server_names_hash_bucket_size;
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34
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131
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160
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132 ngx_uint_t variables_hash_max_size;
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133 ngx_uint_t variables_hash_bucket_size;
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134
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135 ngx_hash_keys_arrays_t *variables_keys;
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230
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136
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430
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137 ngx_uint_t try_files; /* unsigned try_files:1 */
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138
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230
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139 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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140 } ngx_http_core_main_conf_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 /* array of the ngx_http_listen_t, "listen" directive */
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378
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145 ngx_array_t listen;
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0
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146
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34
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147 /* array of the ngx_http_server_name_t, "server_name" directive */
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378
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148 ngx_array_t server_names;
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0
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149
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150 /* server ctx */
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378
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151 ngx_http_conf_ctx_t *ctx;
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0
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152
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454
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153 ngx_http_virtual_names_t *virtual_names;
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154
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378
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155 ngx_str_t server_name;
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142
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156
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378
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157 size_t connection_pool_size;
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158 size_t request_pool_size;
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159 size_t client_header_buffer_size;
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0
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160
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378
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161 ngx_bufs_t large_client_header_buffers;
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0
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162
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378
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163 ngx_msec_t client_header_timeout;
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0
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164
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378
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165 ngx_flag_t ignore_invalid_headers;
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166 ngx_flag_t merge_slashes;
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412
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167 ngx_flag_t underscores_in_headers;
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378
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168
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169 ngx_http_core_loc_conf_t **named_locations;
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0
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170 } ngx_http_core_srv_conf_t;
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171
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172
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173 /* list of structures to find core_srv_conf quickly at run time */
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174
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142
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175
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176 typedef struct {
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177 /* the default server configuration for this address:port */
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178 ngx_http_core_srv_conf_t *core_srv_conf;
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326
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179
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404
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180 #if (NGX_HTTP_SSL)
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181 ngx_uint_t ssl; /* unsigned ssl:1; */
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182 #endif
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448
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183 } ngx_http_addr_conf_t;
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184
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185
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186 typedef struct {
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187 in_addr_t addr;
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188 ngx_http_addr_conf_t conf;
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142
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189 } ngx_http_in_addr_t;
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190
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191
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448
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192 #if (NGX_HAVE_INET6)
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193
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194 typedef struct {
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195 struct in6_addr addr6;
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196 ngx_http_addr_conf_t conf;
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197 } ngx_http_in6_addr_t;
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198
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199 #endif
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200
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201
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0
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202 typedef struct {
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448
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203 /* ngx_http_in_addr_t or ngx_http_in6_addr_t */
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204 void *addrs;
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142
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205 ngx_uint_t naddrs;
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448
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206 } ngx_http_port_t;
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0
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207
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208
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142
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209 typedef struct {
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448
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210 ngx_int_t family;
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142
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211 in_port_t port;
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448
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212 ngx_array_t addrs; /* array of ngx_http_conf_addr_t */
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213 } ngx_http_conf_port_t;
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142
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214
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215
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216 typedef struct {
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448
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217 struct sockaddr *sockaddr;
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218 socklen_t socklen;
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26
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219
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142
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220 ngx_hash_t hash;
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312
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221 ngx_hash_wildcard_t *wc_head;
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222 ngx_hash_wildcard_t *wc_tail;
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142
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223
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224 ngx_array_t names; /* array of ngx_http_server_name_t */
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26
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225
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326
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226 #if (NGX_PCRE)
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227 ngx_uint_t nregex;
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228 ngx_http_server_name_t *regex;
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229 #endif
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230
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26
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231 /* the default server configuration for this address:port */
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232 ngx_http_core_srv_conf_t *core_srv_conf;
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0
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233
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142
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234 unsigned default_server:1;
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235 unsigned bind:1;
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448
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236 unsigned wildcard:1;
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404
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237 #if (NGX_HTTP_SSL)
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238 unsigned ssl:1;
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239 #endif
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142
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240
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241 ngx_http_listen_conf_t *listen_conf;
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448
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242 } ngx_http_conf_addr_t;
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0
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243
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244
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326
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245 struct ngx_http_server_name_s {
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246 #if (NGX_PCRE)
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247 ngx_regex_t *regex;
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456
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248 ngx_uint_t captures; /* unsigned captures:1; */
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326
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249 #endif
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250 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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0
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251 ngx_str_t name;
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326
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252 };
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0
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253
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254
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255 typedef struct {
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222
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256 ngx_int_t status;
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257 ngx_int_t overwrite;
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258 ngx_str_t uri;
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372
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259 ngx_str_t args;
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222
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260 ngx_array_t *uri_lengths;
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261 ngx_array_t *uri_values;
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0
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262 } ngx_http_err_page_t;
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263
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264
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430
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265 typedef struct {
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266 ngx_array_t *lengths;
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267 ngx_array_t *values;
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268 ngx_str_t name;
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440
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269 ngx_uint_t test_dir; /* unsigned test_dir:1; */
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430
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270 } ngx_http_try_file_t;
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271
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272
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0
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273 struct ngx_http_core_loc_conf_s {
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274 ngx_str_t name; /* location name */
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275
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4
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276 #if (NGX_PCRE)
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0
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277 ngx_regex_t *regex;
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456
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278
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279 unsigned captures:1;
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0
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280 #endif
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281
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324
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282 unsigned noname:1; /* "if () {}" block or limit_except */
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283 unsigned named:1;
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34
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284
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0
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285 unsigned exact_match:1;
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16
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286 unsigned noregex:1;
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287
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0
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288 unsigned auto_redirect:1;
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289 unsigned alias:1;
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400
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290 #if (NGX_HTTP_GZIP)
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291 unsigned gzip_disable_msie6:2;
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292 #endif
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0
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293
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378
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294 ngx_http_location_tree_node_t *static_locations;
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456
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295 #if (NGX_PCRE)
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378
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296 ngx_http_core_loc_conf_t **regex_locations;
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456
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297 #endif
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0
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298
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299 /* pointer to the modules' loc_conf */
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378
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300 void **loc_conf;
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0
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301
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180
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302 uint32_t limit_except;
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378
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303 void **limit_except_loc_conf;
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180
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304
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0
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305 ngx_http_handler_pt handler;
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306
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126
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307 ngx_str_t root; /* root, alias */
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308 ngx_str_t post_action;
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309
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144
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310 ngx_array_t *root_lengths;
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311 ngx_array_t *root_values;
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312
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138
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313 ngx_array_t *types;
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314 ngx_hash_t types_hash;
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315 ngx_str_t default_type;
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316
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212
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317 off_t client_max_body_size; /* client_max_body_size */
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390
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318 off_t directio; /* directio */
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212
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319
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0
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320 size_t client_body_buffer_size; /* client_body_buffer_size */
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321 size_t send_lowat; /* send_lowat */
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322 size_t postpone_output; /* postpone_output */
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323 size_t limit_rate; /* limit_rate */
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300
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324 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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0
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325
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326 ngx_msec_t client_body_timeout; /* client_body_timeout */
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327 ngx_msec_t send_timeout; /* send_timeout */
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328 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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329 ngx_msec_t lingering_time; /* lingering_time */
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330 ngx_msec_t lingering_timeout; /* lingering_timeout */
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348
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331 ngx_msec_t resolver_timeout; /* resolver_timeout */
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332
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333 ngx_resolver_t *resolver; /* resolver */
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0
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334
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335 time_t keepalive_header; /* keepalive_timeout */
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336
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362
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337 ngx_uint_t satisfy; /* satisfy */
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424
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338 ngx_uint_t if_modified_since; /* if_modified_since */
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362
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339
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58
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340 ngx_flag_t internal; /* internal */
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182
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341 ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
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0
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342 ngx_flag_t sendfile; /* sendfile */
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343 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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344 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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0
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345 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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362
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346 ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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70
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347 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
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348 ngx_flag_t msie_padding; /* msie_padding */
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228
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349 ngx_flag_t msie_refresh; /* msie_refresh */
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76
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350 ngx_flag_t log_not_found; /* log_not_found */
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412
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351 ngx_flag_t log_subrequest; /* log_subrequest */
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228
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352 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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342
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353 ngx_flag_t server_tokens; /* server_tokens */
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0
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354
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358
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355 #if (NGX_HTTP_GZIP)
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356 ngx_flag_t gzip_vary; /* gzip_vary */
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357
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358 ngx_uint_t gzip_http_version; /* gzip_http_version */
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359 ngx_uint_t gzip_proxied; /* gzip_proxied */
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360
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361 #if (NGX_PCRE)
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362 ngx_array_t *gzip_disable; /* gzip_disable */
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363 #endif
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364 #endif
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365
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0
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366 ngx_array_t *error_pages; /* error_page */
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430
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367 ngx_http_try_file_t *try_files; /* try_files */
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0
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368
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28
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369 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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370
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332
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371 ngx_open_file_cache_t *open_file_cache;
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358
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372 time_t open_file_cache_valid;
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373 ngx_uint_t open_file_cache_min_uses;
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332
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374 ngx_flag_t open_file_cache_errors;
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375 ngx_flag_t open_file_cache_events;
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0
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376
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377 ngx_log_t *err_log;
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378
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138
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379 ngx_uint_t types_hash_max_size;
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380 ngx_uint_t types_hash_bucket_size;
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381
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378
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382 ngx_queue_t *locations;
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383
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34
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384 #if 0
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0
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385 ngx_http_core_loc_conf_t *prev_location;
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34
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386 #endif
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0
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387 };
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388
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389
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378
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390 typedef struct {
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391 ngx_queue_t queue;
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392 ngx_http_core_loc_conf_t *exact;
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393 ngx_http_core_loc_conf_t *inclusive;
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394 ngx_str_t *name;
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395 u_char *file_name;
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396 ngx_uint_t line;
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397 ngx_queue_t list;
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398 } ngx_http_location_queue_t;
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399
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400
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401 struct ngx_http_location_tree_node_s {
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402 ngx_http_location_tree_node_t *left;
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403 ngx_http_location_tree_node_t *right;
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404 ngx_http_location_tree_node_t *tree;
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405
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406 ngx_http_core_loc_conf_t *exact;
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407 ngx_http_core_loc_conf_t *inclusive;
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408
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409 u_char auto_redirect;
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410 u_char len;
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|
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411 u_char name[1];
|
|
|
412 };
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413
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|
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414
|
|
230
|
415 void ngx_http_core_run_phases(ngx_http_request_t *r);
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416 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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|
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417 ngx_http_phase_handler_t *ph);
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|
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418 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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419 ngx_http_phase_handler_t *ph);
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|
|
420 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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|
|
421 ngx_http_phase_handler_t *ph);
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|
|
422 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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|
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423 ngx_http_phase_handler_t *ph);
|
|
|
424 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
|
|
|
425 ngx_http_phase_handler_t *ph);
|
|
430
|
426 ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
|
|
|
427 ngx_http_phase_handler_t *ph);
|
|
230
|
428 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
|
|
|
429 ngx_http_phase_handler_t *ph);
|
|
0
|
430
|
|
392
|
431
|
|
|
432 void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash);
|
|
0
|
433 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
|
|
|
434 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
|
|
106
|
435 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
|
|
248
|
436 size_t *root_length, size_t reserved);
|
|
88
|
437 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
|
|
362
|
438 ngx_int_t ngx_http_server_addr(ngx_http_request_t *r, ngx_str_t *s);
|
|
358
|
439 #if (NGX_HTTP_GZIP)
|
|
|
440 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
|
|
|
441 #endif
|
|
|
442
|
|
0
|
443
|
|
58
|
444 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
|
|
244
|
445 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
|
|
248
|
446 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
|
|
0
|
447 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
|
|
48
|
448 ngx_str_t *uri, ngx_str_t *args);
|
|
324
|
449 ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
|
|
|
450
|
|
34
|
451
|
|
118
|
452 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
|
|
|
453
|
|
0
|
454
|
|
|
455 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
|
|
|
456 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
|
|
48
|
457 (ngx_http_request_t *r, ngx_chain_t *chain);
|
|
0
|
458
|
|
|
459
|
|
|
460 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
|
|
|
461 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
|
|
|
462
|
|
|
463
|
|
126
|
464 extern ngx_module_t ngx_http_core_module;
|
|
|
465
|
|
|
466 extern ngx_uint_t ngx_http_max_module;
|
|
|
467
|
|
|
468
|
|
|
469 #define ngx_http_clear_content_length(r) \
|
|
|
470 \
|
|
|
471 r->headers_out.content_length_n = -1; \
|
|
|
472 if (r->headers_out.content_length) { \
|
|
|
473 r->headers_out.content_length->hash = 0; \
|
|
|
474 r->headers_out.content_length = NULL; \
|
|
|
475 }
|
|
|
476 \
|
|
|
477 #define ngx_http_clear_accept_ranges(r) \
|
|
|
478 \
|
|
130
|
479 r->allow_ranges = 0; \
|
|
126
|
480 if (r->headers_out.accept_ranges) { \
|
|
378
|
481 r->headers_out.accept_ranges->hash = 0; \
|
|
126
|
482 r->headers_out.accept_ranges = NULL; \
|
|
|
483 }
|
|
|
484
|
|
|
485 #define ngx_http_clear_last_modified(r) \
|
|
|
486 \
|
|
|
487 r->headers_out.last_modified_time = -1; \
|
|
|
488 if (r->headers_out.last_modified) { \
|
|
|
489 r->headers_out.last_modified->hash = 0; \
|
|
|
490 r->headers_out.last_modified = NULL; \
|
|
|
491 }
|
|
|
492
|
|
|
493
|
|
0
|
494 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
|
