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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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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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72
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17 unsigned default_server:1;
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18 unsigned bind:1;
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19
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20 int backlog;
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112
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21 int rcvbuf;
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22 int sndbuf;
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72
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23
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24 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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25 char *accept_filter;
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26 #endif
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27 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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28 ngx_uint_t deferred_accept;
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29 #endif
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30
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180
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31 u_char addr[INET_ADDRSTRLEN + 6];
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32
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72
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33 } ngx_http_listen_conf_t;
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34
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35
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36 typedef struct {
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26
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37 in_addr_t addr;
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38 in_port_t port;
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39 int family;
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72
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40
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26
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41 ngx_str_t file_name;
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42 ngx_int_t line;
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0
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43
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72
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44 ngx_http_listen_conf_t conf;
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0
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45 } ngx_http_listen_t;
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46
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47
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48 typedef enum {
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122
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49 NGX_HTTP_POST_READ_PHASE = 0,
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0
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50
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122
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51 NGX_HTTP_SERVER_REWRITE_PHASE,
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230
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52
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122
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53 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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54 NGX_HTTP_REWRITE_PHASE,
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230
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55 NGX_HTTP_POST_REWRITE_PHASE,
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0
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56
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130
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57 NGX_HTTP_PREACCESS_PHASE,
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58
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0
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59 NGX_HTTP_ACCESS_PHASE,
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230
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60 NGX_HTTP_POST_ACCESS_PHASE,
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61
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0
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62 NGX_HTTP_CONTENT_PHASE,
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63
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130
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64 NGX_HTTP_LOG_PHASE
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0
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65 } ngx_http_phases;
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66
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230
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67 typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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68
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69 typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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70 ngx_http_phase_handler_t *ph);
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71
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72 struct ngx_http_phase_handler_s {
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73 ngx_http_phase_handler_pt checker;
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74 ngx_http_handler_pt handler;
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75 ngx_uint_t next;
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76 };
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77
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78
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79 typedef struct {
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80 ngx_http_phase_handler_t *handlers;
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81 ngx_uint_t server_rewrite_index;
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82 } ngx_http_phase_engine_t;
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83
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0
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84
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85 typedef struct {
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26
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86 ngx_array_t handlers;
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0
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87 } ngx_http_phase_t;
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88
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89
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90 typedef struct {
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34
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91 ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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26
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92
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230
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93 ngx_http_phase_engine_t phase_engine;
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0
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94
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198
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95 ngx_hash_t headers_in_hash;
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160
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96
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97 ngx_hash_t variables_hash;
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98
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99 ngx_array_t variables; /* ngx_http_variable_t */
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56
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100
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142
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101 ngx_uint_t server_names_hash_max_size;
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102 ngx_uint_t server_names_hash_bucket_size;
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34
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103
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160
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104 ngx_uint_t variables_hash_max_size;
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105 ngx_uint_t variables_hash_bucket_size;
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106
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107 ngx_hash_keys_arrays_t *variables_keys;
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230
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108
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109 ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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0
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110 } ngx_http_core_main_conf_t;
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111
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112
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113 typedef struct {
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114 /*
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130
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115 * array of the ngx_http_core_loc_conf_t *,
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116 * used in the ngx_http_core_find_location() and in the merge phase
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0
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117 */
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26
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118 ngx_array_t locations;
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0
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119
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308
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120 unsigned regex_start:16;
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121 unsigned wildcard:1;
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122
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34
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123 /* array of the ngx_http_listen_t, "listen" directive */
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26
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124 ngx_array_t listen;
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0
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125
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34
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126 /* array of the ngx_http_server_name_t, "server_name" directive */
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26
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127 ngx_array_t server_names;
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128
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129 /* server ctx */
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26
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130 ngx_http_conf_ctx_t *ctx;
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0
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131
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142
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132 ngx_str_t server_name;
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133
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26
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134 size_t connection_pool_size;
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135 size_t request_pool_size;
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136 size_t client_header_buffer_size;
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0
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137
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26
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138 ngx_bufs_t large_client_header_buffers;
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0
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139
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26
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140 ngx_msec_t client_header_timeout;
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0
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141
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158
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142 ngx_flag_t optimize_server_names;
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60
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143 ngx_flag_t ignore_invalid_headers;
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0
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144 } ngx_http_core_srv_conf_t;
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145
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146
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147 /* list of structures to find core_srv_conf quickly at run time */
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148
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142
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149
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150 typedef struct {
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151 in_addr_t addr;
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152 /* the default server configuration for this address:port */
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153 ngx_http_core_srv_conf_t *core_srv_conf;
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154 ngx_http_virtual_names_t *virtual_names;
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155 } ngx_http_in_addr_t;
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156
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157
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0
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158 typedef struct {
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26
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159 in_port_t port;
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160 ngx_str_t port_text;
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142
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161 ngx_http_in_addr_t *addrs;
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162 ngx_uint_t naddrs;
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0
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163 } ngx_http_in_port_t;
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164
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165
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142
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166 typedef struct {
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167 in_port_t port;
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168 ngx_array_t addrs; /* array of ngx_http_conf_in_addr_t */
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169 } ngx_http_conf_in_port_t;
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170
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171
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172 typedef struct {
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0
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173 in_addr_t addr;
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26
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174
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142
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175 ngx_hash_t hash;
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308
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176 ngx_hash_wildcard_t *dns_wildcards;
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142
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177
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178 ngx_array_t names; /* array of ngx_http_server_name_t */
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26
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179
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180 /* the default server configuration for this address:port */
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181 ngx_http_core_srv_conf_t *core_srv_conf;
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0
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182
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142
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183 unsigned default_server:1;
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184 unsigned bind:1;
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185
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186 ngx_http_listen_conf_t *listen_conf;
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187 } ngx_http_conf_in_addr_t;
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0
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188
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189
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190 typedef struct {
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191 ngx_str_t name;
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192 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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193 } ngx_http_server_name_t;
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194
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195
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196 typedef struct {
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222
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197 ngx_int_t status;
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198 ngx_int_t overwrite;
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199 ngx_str_t uri;
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200 ngx_array_t *uri_lengths;
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201 ngx_array_t *uri_values;
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0
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202 } ngx_http_err_page_t;
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203
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204
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205 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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206
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207 struct ngx_http_core_loc_conf_s {
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208 ngx_str_t name; /* location name */
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209
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4
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210 #if (NGX_PCRE)
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0
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211 ngx_regex_t *regex;
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212 #endif
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213
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308
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214 unsigned regex_start:16;
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215
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34
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216 unsigned noname:1; /* "if () {}" block */
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217
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0
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218 unsigned exact_match:1;
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16
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219 unsigned noregex:1;
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220
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0
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221 unsigned auto_redirect:1;
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222 unsigned alias:1;
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223
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224 /* array of inclusive ngx_http_core_loc_conf_t */
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308
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225 ngx_array_t *locations;
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0
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226
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227 /* pointer to the modules' loc_conf */
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228 void **loc_conf ;
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229
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180
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230 uint32_t limit_except;
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231 void **limit_except_loc_conf ;
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232
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0
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233 ngx_http_handler_pt handler;
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234
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126
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235 ngx_str_t root; /* root, alias */
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236 ngx_str_t post_action;
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237
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144
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238 ngx_array_t *root_lengths;
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239 ngx_array_t *root_values;
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240
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138
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241 ngx_array_t *types;
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242 ngx_hash_t types_hash;
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243 ngx_str_t default_type;
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244
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212
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245 off_t client_max_body_size; /* client_max_body_size */
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246
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0
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247 size_t client_body_buffer_size; /* client_body_buffer_size */
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248 size_t send_lowat; /* send_lowat */
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249 size_t postpone_output; /* postpone_output */
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250 size_t limit_rate; /* limit_rate */
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300
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251 size_t sendfile_max_chunk; /* sendfile_max_chunk */
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0
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252
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253 ngx_msec_t client_body_timeout; /* client_body_timeout */
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254 ngx_msec_t send_timeout; /* send_timeout */
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255 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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256 ngx_msec_t lingering_time; /* lingering_time */
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257 ngx_msec_t lingering_timeout; /* lingering_timeout */
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258
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259 time_t keepalive_header; /* keepalive_timeout */
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260
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92
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261 ngx_flag_t satisfy_any; /* satisfy_any */
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58
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262 ngx_flag_t internal; /* internal */
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182
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263 ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
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0
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264 ngx_flag_t sendfile; /* sendfile */
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265 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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266 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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0
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267 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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70
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268 ngx_flag_t port_in_redirect; /* port_in_redirect */
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0
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269 ngx_flag_t msie_padding; /* msie_padding */
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228
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270 ngx_flag_t msie_refresh; /* msie_refresh */
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76
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271 ngx_flag_t log_not_found; /* log_not_found */
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228
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272 ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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0
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273
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274 ngx_array_t *error_pages; /* error_page */
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275
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28
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276 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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277
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0
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278 ngx_http_cache_hash_t *open_files;
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279
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280 ngx_log_t *err_log;
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281
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138
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282 ngx_uint_t types_hash_max_size;
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283 ngx_uint_t types_hash_bucket_size;
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284
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34
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285 #if 0
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286 ngx_http_core_loc_conf_t *prev_location;
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34
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287 #endif
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288 };
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289
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290
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230
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291 void ngx_http_core_run_phases(ngx_http_request_t *r);
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292 ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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293 ngx_http_phase_handler_t *ph);
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294 ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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295 ngx_http_phase_handler_t *ph);
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296 ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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297 ngx_http_phase_handler_t *ph);
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298 ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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299 ngx_http_phase_handler_t *ph);
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300 ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
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301 ngx_http_phase_handler_t *ph);
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302 ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
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303 ngx_http_phase_handler_t *ph);
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0
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304
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305 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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306 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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106
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307 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
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248
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308 size_t *root_length, size_t reserved);
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88
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309 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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0
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310
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58
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311 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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244
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312 ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
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248
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313 ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
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0
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314 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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48
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315 ngx_str_t *uri, ngx_str_t *args);
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34
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316
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118
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317 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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318
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0
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319
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320 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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321 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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48
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322 (ngx_http_request_t *r, ngx_chain_t *chain);
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0
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323
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324
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325 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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326 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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327
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328
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126
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329 extern ngx_module_t ngx_http_core_module;
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330
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331 extern ngx_uint_t ngx_http_max_module;
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332
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333
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334 #define ngx_http_clear_content_length(r) \
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335 \
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336 r->headers_out.content_length_n = -1; \
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337 if (r->headers_out.content_length) { \
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338 r->headers_out.content_length->hash = 0; \
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339 r->headers_out.content_length = NULL; \
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340 }
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341 \
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342 #define ngx_http_clear_accept_ranges(r) \
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343 \
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130
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344 r->allow_ranges = 0; \
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126
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345 if (r->headers_out.accept_ranges) { \
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346 r->headers_out.accept_ranges->hash = 0 ; \
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347 r->headers_out.accept_ranges = NULL; \
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348 }
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349
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350 #define ngx_http_clear_last_modified(r) \
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351 \
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352 r->headers_out.last_modified_time = -1; \
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353 if (r->headers_out.last_modified) { \
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354 r->headers_out.last_modified->hash = 0; \
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355 r->headers_out.last_modified = NULL; \
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356 }
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357
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358
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0
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359 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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