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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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31 } ngx_http_listen_conf_t;
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32
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33
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34 typedef struct {
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26
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35 in_addr_t addr;
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36 in_port_t port;
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37 int family;
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72
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38
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26
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39 ngx_str_t file_name;
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40 ngx_int_t line;
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0
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41
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72
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42 ngx_http_listen_conf_t conf;
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0
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43 } ngx_http_listen_t;
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44
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45
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46 typedef enum {
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122
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47 NGX_HTTP_POST_READ_PHASE = 0,
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0
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48
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122
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49 NGX_HTTP_SERVER_REWRITE_PHASE,
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50 NGX_HTTP_FIND_CONFIG_PHASE,
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38
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51 NGX_HTTP_REWRITE_PHASE,
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0
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52
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53 NGX_HTTP_ACCESS_PHASE,
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54 NGX_HTTP_CONTENT_PHASE,
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55
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56 NGX_HTTP_LAST_PHASE
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57 } ngx_http_phases;
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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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118
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70 ngx_http_handler_pt log_handler;
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0
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71
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56
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72 ngx_hash_t headers_in_hash;
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58
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73 ngx_hash_t variables_hash;
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56
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74
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26
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75 ngx_uint_t server_names_hash;
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76 ngx_uint_t server_names_hash_threshold;
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0
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77
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26
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78 size_t max_server_name_len;
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34
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79
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80 ngx_array_t variables; /* ngx_http_variable_t */
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58
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81 ngx_array_t all_variables; /* ngx_http_variable_t */
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0
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82 } ngx_http_core_main_conf_t;
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83
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84
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85 typedef struct {
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86 /*
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34
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87 * array of the ngx_http_core_loc_conf_t,
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88 * used in the translation handler and in the merge phase
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89 */
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26
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90 ngx_array_t locations;
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91
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34
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92 /* array of the ngx_http_listen_t, "listen" directive */
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26
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93 ngx_array_t listen;
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94
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34
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95 /* array of the ngx_http_server_name_t, "server_name" directive */
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26
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96 ngx_array_t server_names;
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97
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98 /* server ctx */
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26
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99 ngx_http_conf_ctx_t *ctx;
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100
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26
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101 size_t connection_pool_size;
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102 size_t request_pool_size;
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103 size_t client_header_buffer_size;
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104
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26
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105 ngx_bufs_t large_client_header_buffers;
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106
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26
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107 ngx_msec_t client_header_timeout;
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0
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108
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26
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109 ngx_uint_t restrict_host_names;
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60
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110
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111 ngx_flag_t ignore_invalid_headers;
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112 } ngx_http_core_srv_conf_t;
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113
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114
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115 /* list of structures to find core_srv_conf quickly at run time */
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116
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117 typedef struct {
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26
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118 in_port_t port;
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119 ngx_str_t port_text;
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120 ngx_array_t addrs; /* array of ngx_http_in_addr_t */
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0
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121 } ngx_http_in_port_t;
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122
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123
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26
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124 struct ngx_http_in_addr_s {
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125 in_addr_t addr;
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126
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127 ngx_array_t names; /* array of ngx_http_server_name_t */
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26
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128 ngx_array_t *hash; /* hash of ngx_http_server_name_t */
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129 ngx_array_t wildcards; /* array of ngx_http_server_name_t */
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130
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131 /* the default server configuration for this address:port */
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132 ngx_http_core_srv_conf_t *core_srv_conf;
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133
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72
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134 ngx_http_listen_conf_t conf;
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26
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135 };
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136
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137
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138 typedef struct {
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139 ngx_str_t name;
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140 ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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4
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141
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26
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142 ngx_uint_t wildcard; /* unsigned wildcard:1 */
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0
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143 } ngx_http_server_name_t;
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144
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145
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26
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146 #define ngx_http_server_names_hash_key(key, name, len, prime) \
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147 { \
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148 ngx_uint_t n0; \
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149 for (key = 0, n0 = 0; n0 < len; n0++) { \
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150 key += name[n0]; \
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26
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151 } \
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152 key %= prime; \
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153 }
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154
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155
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0
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156 #define NGX_HTTP_TYPES_HASH_PRIME 13
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157
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158 #define ngx_http_types_hash_key(key, ext) \
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159 { \
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160 ngx_uint_t n; \
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161 for (key = 0, n = 0; n < ext.len; n++) { \
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162 key += ext.data[n]; \
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163 } \
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164 key %= NGX_HTTP_TYPES_HASH_PRIME; \
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165 }
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166
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167 typedef struct {
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26
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168 ngx_str_t exten;
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169 ngx_str_t type;
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0
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170 } ngx_http_type_t;
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171
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172
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173 typedef struct {
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174 ngx_int_t status;
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175 ngx_int_t overwrite;
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176 ngx_str_t uri;
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0
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177 } ngx_http_err_page_t;
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178
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179
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180 typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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181
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182 struct ngx_http_core_loc_conf_s {
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183 ngx_str_t name; /* location name */
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184
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4
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185 #if (NGX_PCRE)
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186 ngx_regex_t *regex;
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187 #endif
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188
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34
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189 unsigned noname:1; /* "if () {}" block */
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190
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0
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191 unsigned exact_match:1;
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16
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192 unsigned noregex:1;
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193
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0
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194 unsigned auto_redirect:1;
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195 unsigned alias:1;
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196
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197 /* array of inclusive ngx_http_core_loc_conf_t */
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198 ngx_array_t locations;
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199
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200 /* pointer to the modules' loc_conf */
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201 void **loc_conf ;
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202
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203 ngx_http_handler_pt handler;
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204
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205 ngx_array_t *types;
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206 ngx_str_t default_type;
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207
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126
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208 ngx_str_t root; /* root, alias */
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209 ngx_str_t post_action;
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210
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211 size_t client_max_body_size; /* client_max_body_size */
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212 size_t client_body_buffer_size; /* client_body_buffer_size */
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213 size_t send_lowat; /* send_lowat */
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214 size_t postpone_output; /* postpone_output */
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215 size_t limit_rate; /* limit_rate */
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216
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217 ngx_msec_t client_body_timeout; /* client_body_timeout */
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218 ngx_msec_t send_timeout; /* send_timeout */
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219 ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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220 ngx_msec_t lingering_time; /* lingering_time */
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221 ngx_msec_t lingering_timeout; /* lingering_timeout */
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222
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223 time_t keepalive_header; /* keepalive_timeout */
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224
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92
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225 ngx_flag_t satisfy_any; /* satisfy_any */
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226 ngx_flag_t internal; /* internal */
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227 ngx_flag_t sendfile; /* sendfile */
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228 ngx_flag_t tcp_nopush; /* tcp_nopush */
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2
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229 ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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230 ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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70
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231 ngx_flag_t port_in_redirect; /* port_in_redirect */
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232 ngx_flag_t msie_padding; /* msie_padding */
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76
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233 ngx_flag_t log_not_found; /* log_not_found */
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234
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235 ngx_array_t *error_pages; /* error_page */
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236
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237 ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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238
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239 ngx_http_cache_hash_t *open_files;
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240
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241 ngx_log_t *err_log;
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242
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243 #if 0
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244 ngx_http_core_loc_conf_t *prev_location;
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245 #endif
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246 };
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247
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248
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249 ngx_int_t ngx_http_find_location_config(ngx_http_request_t *r);
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250
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251 ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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252 ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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253 u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
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254 size_t reserved);
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255 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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256
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257 ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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258 ngx_str_t *uri, ngx_str_t *args, ngx_uint_t flags);
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259 ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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260 ngx_str_t *uri, ngx_str_t *args);
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261
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118
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262 ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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263
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264
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265 typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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266 typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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267 (ngx_http_request_t *r, ngx_chain_t *chain);
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268
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269
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270 ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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271 ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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272
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273
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274 extern ngx_http_module_t ngx_http_core_module_ctx;
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275 extern ngx_module_t ngx_http_core_module;
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276
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277 extern ngx_uint_t ngx_http_max_module;
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278
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279
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280 #define ngx_http_clear_content_length(r) \
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281 \
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282 r->headers_out.content_length_n = -1; \
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283 if (r->headers_out.content_length) { \
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284 r->headers_out.content_length->hash = 0; \
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285 r->headers_out.content_length = NULL; \
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286 }
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287 \
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288 #define ngx_http_clear_accept_ranges(r) \
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289 \
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290 r->filter_allow_ranges = 0; \
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291 if (r->headers_out.accept_ranges) { \
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292 r->headers_out.accept_ranges->hash = 0 ; \
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293 r->headers_out.accept_ranges = NULL; \
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294 }
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295
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296 #define ngx_http_clear_last_modified(r) \
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297 \
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298 r->headers_out.last_modified_time = -1; \
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299 if (r->headers_out.last_modified) { \
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300 r->headers_out.last_modified->hash = 0; \
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301 r->headers_out.last_modified = NULL; \
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302 }
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303
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304
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305 #endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
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