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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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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 int line;
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22
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23 unsigned default_server:1;
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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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40 ngx_array_t handlers;
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41 ngx_int_t type; /* NGX_OK, NGX_DECLINED */
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42 } ngx_http_phase_t;
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43
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44
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45 typedef struct {
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46 ngx_array_t servers; /* array of ngx_http_core_srv_conf_t */
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47
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48 ngx_http_phase_t phases[NGX_HTTP_LAST_PHASE];
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49 ngx_array_t index_handlers;
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50
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51 size_t max_server_name_len;
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52 } ngx_http_core_main_conf_t;
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53
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54
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55 typedef struct {
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56 /*
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57 * array of ngx_http_core_loc_conf_t, used in the translation handler
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58 * and in the merge phase
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59 */
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60 ngx_array_t locations;
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61
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62 /* "listen", array of ngx_http_listen_t */
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63 ngx_array_t listen;
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64
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65 /* "server_name", array of ngx_http_server_name_t */
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66 ngx_array_t server_names;
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67
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68 /* server ctx */
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69 ngx_http_conf_ctx_t *ctx;
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70
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71 size_t connection_pool_size;
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72 size_t request_pool_size;
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73 size_t client_header_buffer_size;
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74
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75 ngx_bufs_t large_client_header_buffers;
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76
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77 ngx_msec_t post_accept_timeout;
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78 ngx_msec_t client_header_timeout;
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79
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80 ngx_uint_t restrict_host_names;
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81 } ngx_http_core_srv_conf_t;
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82
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83
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84 /* list of structures to find core_srv_conf quickly at run time */
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85
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86 typedef struct {
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87 in_port_t port;
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88 ngx_str_t port_text;
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89 ngx_array_t addrs; /* array of ngx_http_in_addr_t */
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90 } ngx_http_in_port_t;
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91
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92
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93 typedef struct {
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94 in_addr_t addr;
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95 ngx_array_t names; /* array of ngx_http_server_name_t */
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96 ngx_http_core_srv_conf_t *core_srv_conf; /* default server conf
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97 for this address:port */
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98
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99 unsigned default_server:1;
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100 } ngx_http_in_addr_t;
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101
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102
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103 typedef struct {
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104 ngx_str_t name;
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105 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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106 } ngx_http_server_name_t;
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107
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108
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109 #define NGX_HTTP_TYPES_HASH_PRIME 13
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110
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111 #define ngx_http_types_hash_key(key, ext) \
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112 { \
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113 u_int n; \
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114 for (key = 0, n = 0; n < ext.len; n++) { \
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115 key += ext.data[n]; \
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116 } \
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117 key %= NGX_HTTP_TYPES_HASH_PRIME; \
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118 }
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119
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120 typedef struct {
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121 ngx_str_t exten;
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122 ngx_str_t type;
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123 } ngx_http_type_t;
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124
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125
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126 typedef struct {
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127 ngx_int_t status;
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128 ngx_int_t overwrite;
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129 ngx_str_t uri;
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130 } ngx_http_err_page_t;
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131
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132
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133 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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134
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135 struct ngx_http_core_loc_conf_s {
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136 ngx_str_t name; /* location name */
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137
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138 #if (HAVE_PCRE)
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139 ngx_regex_t *regex;
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140 #endif
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141
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142 unsigned exact_match:1;
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143 unsigned auto_redirect:1;
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144 unsigned alias:1;
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145
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146 /* array of inclusive ngx_http_core_loc_conf_t */
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147 ngx_array_t locations;
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148
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149 /* pointer to the modules' loc_conf */
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150 void **loc_conf ;
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151
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152 ngx_http_handler_pt handler;
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153
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154 ngx_str_t root; /* root, alias */
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155
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156 ngx_array_t *types;
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157 ngx_str_t default_type;
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158
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159 size_t client_max_body_size; /* client_max_body_size */
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160 size_t client_body_buffer_size; /* client_body_buffer_size */
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161 size_t send_lowat; /* send_lowat */
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162 size_t postpone_output; /* postpone_output */
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163 size_t limit_rate; /* limit_rate */
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164
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165 ngx_msec_t client_body_timeout; /* client_body_timeout */
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166 ngx_msec_t send_timeout; /* send_timeout */
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167 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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168 ngx_msec_t lingering_time; /* lingering_time */
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169 ngx_msec_t lingering_timeout; /* lingering_timeout */
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170
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171 time_t keepalive_header; /* keepalive_timeout */
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172
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173 ngx_flag_t sendfile; /* sendfile */
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174 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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175 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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176 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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177 ngx_flag_t msie_padding; /* msie_padding */
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178
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179 ngx_array_t *error_pages; /* error_page */
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180
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181 ngx_http_cache_hash_t *open_files;
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182
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183 ngx_log_t *err_log;
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184
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185 ngx_http_core_loc_conf_t *prev_location;
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186 };
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187
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188
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189 extern ngx_http_module_t ngx_http_core_module_ctx;
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190 extern ngx_module_t ngx_http_core_module;
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191
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192 extern int ngx_http_max_module;
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193
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194
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195
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196 ngx_int_t ngx_http_find_location_config(ngx_http_request_t *r);
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197 ngx_int_t ngx_http_core_translate_handler(ngx_http_request_t *r);
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198
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199 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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200 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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201
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202 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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203 ngx_str_t *uri, ngx_str_t *args);
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204
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205
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206 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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207 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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208 (ngx_http_request_t *r, ngx_chain_t *chain);
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209
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210
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211 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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212 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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213
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214
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215 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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