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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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11 #include <ngx_string.h>
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12 #include <ngx_array.h>
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13 #include <ngx_http.h>
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14
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15
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16 typedef struct {
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26
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17 in_addr_t addr;
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18 in_port_t port;
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19 int family;
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20 ngx_str_t file_name;
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21 ngx_int_t line;
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0
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22
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26
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23 unsigned default_server:1;
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0
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24 } ngx_http_listen_t;
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25
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26
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27 typedef enum {
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28 NGX_HTTP_REWRITE_PHASE = 0,
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29
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30 NGX_HTTP_FIND_CONFIG_PHASE,
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31
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32 NGX_HTTP_ACCESS_PHASE,
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33 NGX_HTTP_CONTENT_PHASE,
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34
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35 NGX_HTTP_LAST_PHASE
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36 } ngx_http_phases;
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37
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38
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39 typedef struct {
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34
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40 ngx_uint_t value;
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41 ngx_str_t text;
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42 } ngx_http_variable_value_t;
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43
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44
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45 typedef struct ngx_http_variable_s ngx_http_variable_t;
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46
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47 typedef ngx_http_variable_value_t
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48 *(*ngx_http_get_variable_pt) (ngx_http_request_t *r, void *var);
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49
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50
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51 struct ngx_http_variable_s {
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52 ngx_str_t name;
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53 ngx_uint_t index;
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54 ngx_http_get_variable_pt handler;
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55 void *data;
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56 ngx_uint_t uses;
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57 };
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58
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59
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60 typedef struct {
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26
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61 ngx_array_t handlers;
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62 ngx_int_t type; /* NGX_OK, NGX_DECLINED */
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0
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63 } ngx_http_phase_t;
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64
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65
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66 typedef struct {
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34
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67 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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68
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69 ngx_http_phase_t phases[NGX_HTTP_LAST_PHASE];
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70 ngx_array_t index_handlers;
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0
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71
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26
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72 ngx_uint_t server_names_hash;
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73 ngx_uint_t server_names_hash_threshold;
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0
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74
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75 size_t max_server_name_len;
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34
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76
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77 ngx_array_t variables; /* ngx_http_variable_t */
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78 } ngx_http_core_main_conf_t;
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79
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80
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81 typedef struct {
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82 /*
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83 * array of the ngx_http_core_loc_conf_t,
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84 * used in the translation handler and in the merge phase
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85 */
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86 ngx_array_t locations;
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87
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88 /* array of the ngx_http_listen_t, "listen" directive */
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89 ngx_array_t listen;
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90
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91 /* array of the ngx_http_server_name_t, "server_name" directive */
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92 ngx_array_t server_names;
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93
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94 /* server ctx */
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95 ngx_http_conf_ctx_t *ctx;
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96
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26
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97 size_t connection_pool_size;
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98 size_t request_pool_size;
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99 size_t client_header_buffer_size;
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100
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101 ngx_bufs_t large_client_header_buffers;
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102
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103 ngx_msec_t post_accept_timeout;
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104 ngx_msec_t client_header_timeout;
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105
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106 ngx_uint_t restrict_host_names;
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107 } ngx_http_core_srv_conf_t;
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108
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109
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110 /* list of structures to find core_srv_conf quickly at run time */
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111
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112 typedef struct {
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113 in_port_t port;
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114 ngx_str_t port_text;
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115 ngx_array_t addrs; /* array of ngx_http_in_addr_t */
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116 } ngx_http_in_port_t;
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117
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118
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119 struct ngx_http_in_addr_s {
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120 in_addr_t addr;
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121
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122 ngx_array_t names; /* array of ngx_http_server_name_t */
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123 ngx_array_t *hash; /* hash of ngx_http_server_name_t */
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124 ngx_array_t wildcards; /* array of ngx_http_server_name_t */
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125
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126 /* the default server configuration for this address:port */
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127 ngx_http_core_srv_conf_t *core_srv_conf;
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128
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129 ngx_uint_t default_server; /* unsigned default_server:1; */
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130 };
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131
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132
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133 typedef struct {
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134 ngx_str_t name;
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135 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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4
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136
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137 ngx_uint_t wildcard; /* unsigned wildcard:1 */
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138 } ngx_http_server_name_t;
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139
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140
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141 #define ngx_http_server_names_hash_key(key, name, len, prime) \
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142 { \
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143 ngx_uint_t n; \
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144 for (key = 0, n = 0; n < len; n++) { \
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145 key += name[n]; \
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146 } \
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147 key %= prime; \
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148 }
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149
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150
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151 #define NGX_HTTP_TYPES_HASH_PRIME 13
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152
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153 #define ngx_http_types_hash_key(key, ext) \
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154 { \
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155 ngx_uint_t n; \
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156 for (key = 0, n = 0; n < ext.len; n++) { \
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157 key += ext.data[n]; \
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158 } \
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159 key %= NGX_HTTP_TYPES_HASH_PRIME; \
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160 }
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161
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162 typedef struct {
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163 ngx_str_t exten;
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164 ngx_str_t type;
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165 } ngx_http_type_t;
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166
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167
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168 typedef struct {
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169 ngx_int_t status;
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170 ngx_int_t overwrite;
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171 ngx_str_t uri;
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172 } ngx_http_err_page_t;
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173
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174
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175 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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176
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177 struct ngx_http_core_loc_conf_s {
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178 ngx_str_t name; /* location name */
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179
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180 #if (NGX_PCRE)
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181 ngx_regex_t *regex;
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182 #endif
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183
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184 unsigned noname:1; /* "if () {}" block */
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185
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186 unsigned exact_match:1;
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187 unsigned noregex:1;
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188
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189 unsigned auto_redirect:1;
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190 unsigned alias:1;
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191
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192 /* array of inclusive ngx_http_core_loc_conf_t */
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193 ngx_array_t locations;
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194
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195 /* pointer to the modules' loc_conf */
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196 void **loc_conf ;
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197
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198 ngx_http_handler_pt handler;
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199
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200 ngx_str_t root; /* root, alias */
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201
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202 ngx_array_t *types;
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203 ngx_str_t default_type;
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204
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205 size_t client_max_body_size; /* client_max_body_size */
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206 size_t client_body_buffer_size; /* client_body_buffer_size */
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207 size_t send_lowat; /* send_lowat */
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208 size_t postpone_output; /* postpone_output */
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209 size_t limit_rate; /* limit_rate */
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210
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211 ngx_msec_t client_body_timeout; /* client_body_timeout */
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212 ngx_msec_t send_timeout; /* send_timeout */
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213 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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214 ngx_msec_t lingering_time; /* lingering_time */
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215 ngx_msec_t lingering_timeout; /* lingering_timeout */
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216
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217 time_t keepalive_header; /* keepalive_timeout */
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218
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219 ngx_flag_t sendfile; /* sendfile */
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220 ngx_flag_t tcp_nopush; /* tcp_nopush */
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221 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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222 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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223 ngx_flag_t msie_padding; /* msie_padding */
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224
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225 ngx_array_t *error_pages; /* error_page */
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226
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227 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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228
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229 ngx_http_cache_hash_t *open_files;
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230
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231 ngx_log_t *err_log;
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232
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233 #if 0
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234 ngx_http_core_loc_conf_t *prev_location;
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235 #endif
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236 };
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237
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238
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239
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240 extern ngx_http_module_t ngx_http_core_module_ctx;
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241 extern ngx_module_t ngx_http_core_module;
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242
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243 extern ngx_uint_t ngx_http_max_module;
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244
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245
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246
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247 ngx_int_t ngx_http_find_location_config(ngx_http_request_t *r);
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248
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249 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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250 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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251
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252 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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253 ngx_str_t *uri, ngx_str_t *args);
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254
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255 ngx_http_variable_t *ngx_http_add_variable(ngx_conf_t *cf);
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256 ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,
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257 ngx_uint_t index);
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258
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259
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260 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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261 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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262 (ngx_http_request_t *r, ngx_chain_t *chain);
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263
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264
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265 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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266 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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267
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268
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269 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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