Mercurial > hg > nginx-quic
annotate src/http/modules/proxy/ngx_http_proxy_handler.h @ 174:ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 04 Nov 2003 22:12:39 +0000 |
parents | caa57ddf6d77 |
children | e92c2c647c57 |
rev | line source |
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1 #ifndef _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_ |
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2 #define _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_ |
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3 |
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4 |
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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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7 #include <ngx_event.h> |
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8 #include <ngx_event_connect.h> |
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9 #include <ngx_event_pipe.h> |
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10 #include <ngx_http.h> |
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11 |
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13 typedef enum { |
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14 NGX_HTTP_PROXY_CACHE_PASS = 1, |
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15 NGX_HTTP_PROXY_CACHE_BYPASS, |
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16 NGX_HTTP_PROXY_CACHE_AUTH, |
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17 NGX_HTTP_PROXY_CACHE_PGNC, |
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18 NGX_HTTP_PROXY_CACHE_MISS, |
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19 NGX_HTTP_PROXY_CACHE_EXPR, |
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20 NGX_HTTP_PROXY_CACHE_AGED, |
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21 NGX_HTTP_PROXY_CACHE_HIT |
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22 } ngx_http_proxy_state_e; |
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23 |
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24 |
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25 typedef enum { |
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26 NGX_HTTP_PROXY_CACHE_BPS = 1, |
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27 NGX_HTTP_PROXY_CACHE_XAE, |
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28 NGX_HTTP_PROXY_CACHE_CTL, |
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29 NGX_HTTP_PROXY_CACHE_EXP, |
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30 NGX_HTTP_PROXY_CACHE_MVD, |
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31 NGX_HTTP_PROXY_CACHE_LMF, |
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32 NGX_HTTP_PROXY_CACHE_PDE |
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33 } ngx_http_proxy_reason_e; |
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34 |
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35 |
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36 typedef struct { |
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37 ngx_str_t url; |
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38 ngx_str_t host; |
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39 ngx_str_t uri; |
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40 ngx_str_t host_header; |
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41 ngx_str_t port_text; |
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42 ngx_str_t *location; |
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43 int port; |
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44 } ngx_http_proxy_upstream_conf_t; |
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45 |
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46 |
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47 typedef struct { |
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48 ssize_t request_buffer_size; |
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49 ngx_msec_t connect_timeout; |
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50 ngx_msec_t send_timeout; |
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51 ssize_t header_buffer_size; |
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52 ngx_msec_t read_timeout; |
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53 |
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54 ngx_bufs_t bufs; |
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55 ssize_t busy_buffers_size; |
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56 |
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57 ssize_t max_temp_file_size; |
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58 ssize_t temp_file_write_size; |
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59 int cyclic_temp_file; |
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60 |
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61 int cache; |
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62 |
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63 int pass_server; |
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64 int pass_x_accel_expires; |
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65 |
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66 int ignore_expires; |
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67 int lm_factor; |
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68 int default_expires; |
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69 |
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70 int next_upstream; |
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71 int use_stale; |
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72 |
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73 ngx_path_t *cache_path; |
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74 ngx_path_t *temp_path; |
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75 |
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76 ngx_http_busy_lock_t *busy_lock; |
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77 |
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78 ngx_http_proxy_upstream_conf_t *upstream; |
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79 ngx_peers_t *peers; |
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80 } ngx_http_proxy_loc_conf_t; |
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81 |
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82 |
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83 typedef struct { |
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84 ngx_http_proxy_state_e cache; |
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85 ngx_http_proxy_reason_e reason; |
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86 int status; |
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87 ngx_str_t *peer; |
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88 } ngx_http_proxy_state_t; |
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89 |
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90 |
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91 typedef struct { |
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92 ngx_table_t *headers; /* it must be first field */ |
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93 |
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94 ngx_table_elt_t *date; |
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95 ngx_table_elt_t *server; |
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96 |
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97 ngx_table_elt_t *expires; |
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98 ngx_table_elt_t *cache_control; |
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99 ngx_table_elt_t *x_accel_expires; |
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100 |
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101 ngx_table_elt_t *connection; |
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102 ngx_table_elt_t *content_type; |
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103 ngx_table_elt_t *content_length; |
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104 ngx_table_elt_t *last_modified; |
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105 ngx_table_elt_t *accept_ranges; |
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106 |
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107 off_t content_length_n; |
170
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108 } ngx_http_proxy_headers_in_t; |
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109 |
137
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110 |
170
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111 typedef struct { |
171
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112 ngx_http_cache_ctx_t ctx; |
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113 int status; |
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114 ngx_str_t status_line; |
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115 |
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116 ngx_http_proxy_headers_in_t headers_in; |
170
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117 } ngx_http_proxy_cache_t; |
137
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118 |
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119 |
171
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120 typedef struct { |
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121 ngx_peer_connection_t peer; |
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122 int status; |
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123 ngx_str_t status_line; |
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124 int method; |
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125 |
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126 ngx_output_chain_ctx_t *output_chain_ctx; |
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127 ngx_event_pipe_t *event_pipe; |
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128 |
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129 ngx_http_proxy_headers_in_t headers_in; |
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130 } ngx_http_proxy_upstream_t; |
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131 |
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132 |
124
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133 typedef struct ngx_http_proxy_ctx_s ngx_http_proxy_ctx_t; |
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134 |
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135 struct ngx_http_proxy_ctx_s { |
137
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136 ngx_http_request_t *request; |
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137 ngx_http_proxy_loc_conf_t *lcf; |
171
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138 ngx_http_proxy_upstream_t *upstream; |
170
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139 ngx_http_proxy_cache_t *cache; |
124
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140 |
170
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141 ngx_hunk_t *header_in; |
124
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142 |
170
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143 |
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144 unsigned accel:1; |
139
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138
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145 |
170
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146 unsigned cachable:1; |
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147 unsigned stale:1; |
174
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nginx-0.0.1-2003-11-05-01:12:39 import
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148 unsigned valid_header_in:1; |
170
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149 |
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150 unsigned request_sent:1; |
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151 unsigned header_sent:1; |
139
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152 |
171
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153 |
138
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nginx-0.0.1-2003-10-06-07:56:42 import
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154 /* used to parse an upstream HTTP header */ |
171
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155 int status; |
170
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156 char *status_start; |
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157 char *status_end; |
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158 int status_count; |
172
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159 int parse_state; |
137
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160 |
172
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161 ngx_http_proxy_state_t *state; |
170
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162 ngx_array_t states; /* of ngx_http_proxy_state_t */ |
169
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163 |
170
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164 char *action; |
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165 ngx_http_log_ctx_t *saved_ctx; |
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166 ngx_log_handler_pt saved_handler; |
124
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167 }; |
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168 |
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169 |
170
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170 #define NGX_HTTP_PROXY_PARSE_NO_HEADER 20 |
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171 |
172
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172 |
170
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173 #define NGX_HTTP_PROXY_FT_ERROR 2 |
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174 #define NGX_HTTP_PROXY_FT_TIMEOUT 4 |
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175 #define NGX_HTTP_PROXY_FT_INVALID_HEADER 8 |
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176 #define NGX_HTTP_PROXY_FT_HTTP_500 16 |
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177 #define NGX_HTTP_PROXY_FT_HTTP_404 32 |
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178 #define NGX_HTTP_PROXY_FT_BUSY_LOCK 64 |
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179 #define NGX_HTTP_PROXY_FT_MAX_WAITING 128 |
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180 |
137
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181 |
171
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182 int ngx_http_proxy_request_upstream(ngx_http_proxy_ctx_t *p); |
170
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183 |
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184 int ngx_http_proxy_get_cached_response(ngx_http_proxy_ctx_t *p); |
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185 int ngx_http_proxy_send_cached_response(ngx_http_proxy_ctx_t *p); |
172
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186 int ngx_http_proxy_is_cachable(ngx_http_proxy_ctx_t *p); |
171
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187 int ngx_http_proxy_update_cache(ngx_http_proxy_ctx_t *p); |
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188 |
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189 size_t ngx_http_proxy_log_error(void *data, char *buf, size_t len); |
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190 void ngx_http_proxy_finalize_request(ngx_http_proxy_ctx_t *p, int rc); |
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191 void ngx_http_proxy_close_connection(ngx_connection_t *c); |
170
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192 |
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193 int ngx_http_proxy_parse_status_line(ngx_http_proxy_ctx_t *p); |
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194 int ngx_http_proxy_copy_header(ngx_http_proxy_ctx_t *p, |
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195 ngx_http_proxy_headers_in_t *headers_in); |
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196 |
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diff
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|
197 |
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|
198 |
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199 extern ngx_module_t ngx_http_proxy_module; |
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200 extern ngx_http_header_t ngx_http_proxy_headers_in[]; |
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|
201 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
159
diff
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|
202 |
137
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nginx-0.0.1-2003-10-03-19:50:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
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|
203 |
124
842a78cebbb7
nginx-0.0.1-2003-08-01-18:56:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
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204 #endif /* _NGX_HTTP_PROXY_HANDLER_H_INCLUDED_ */ |