Mercurial > hg > nginx-quic
annotate src/http/ngx_http_request.h @ 631:5d2b8078c1c2 release-0.3.37
nginx-0.3.37-RELEASE import
*) Feature: the "limit_except" directive.
*) Feature: the "if" directive supports the "!~", "!~*", "-f", and
"!-f" operators.
*) Feature: the ngx_http_perl_module supports the $r->request_body
method.
*) Bugfix: in the ngx_http_addition_filter_module.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 07 Apr 2006 14:08:04 +0000 |
parents | 65bf042c0b4f |
children | f971949ffb58 |
rev | line source |
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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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7 #ifndef _NGX_HTTP_REQUEST_H_INCLUDED_ |
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8 #define _NGX_HTTP_REQUEST_H_INCLUDED_ |
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9 |
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10 |
509 | 11 #define NGX_HTTP_MAX_REWRITE_CYCLES 10 |
12 | |
13 | |
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14 #define NGX_HTTP_DISCARD_BUFFER_SIZE 4096 |
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15 #define NGX_HTTP_LINGERING_BUFFER_SIZE 4096 |
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16 |
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17 |
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18 #define NGX_HTTP_VERSION_9 9 |
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19 #define NGX_HTTP_VERSION_10 1000 |
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20 #define NGX_HTTP_VERSION_11 1001 |
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21 |
631 | 22 #define NGX_HTTP_UNKNOWN 1 |
23 #define NGX_HTTP_GET 2 | |
24 #define NGX_HTTP_HEAD 4 | |
25 #define NGX_HTTP_POST 8 | |
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26 |
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27 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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28 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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29 |
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31 #define NGX_NONE 1 |
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32 |
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33 |
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34 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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35 |
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36 #define NGX_HTTP_CLIENT_ERROR 10 |
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37 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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38 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 39 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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40 |
505 | 41 #define NGX_HTTP_PARSE_INVALID_HEADER 13 |
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42 |
573 | 43 #define NGX_HTTP_ZERO_IN_URI 1 |
44 | |
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45 |
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46 #define NGX_HTTP_OK 200 |
511 | 47 #define NGX_HTTP_NO_CONTENT 204 |
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48 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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49 |
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50 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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51 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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52 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
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53 #define NGX_HTTP_NOT_MODIFIED 304 |
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54 |
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55 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 56 #define NGX_HTTP_UNAUTHORIZED 401 |
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57 #define NGX_HTTP_FORBIDDEN 403 |
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58 #define NGX_HTTP_NOT_FOUND 404 |
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59 #define NGX_HTTP_NOT_ALLOWED 405 |
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60 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
581 | 61 #define NGX_HTTP_LENGTH_REQUIRED 411 |
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62 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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63 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
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64 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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65 |
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66 |
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67 /* Our own HTTP codes */ |
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68 |
587 | 69 /* The special code to close connection without any response */ |
70 #define NGX_HTTP_CLOSE 444 | |
71 | |
72 #define NGX_HTTP_OWN_CODES NGX_HTTP_TO_HTTPS | |
384
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73 |
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74 /* |
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75 * We use the special code for the plain HTTP requests that are sent to |
577 | 76 * HTTPS port to distinguish it from 4XX in an error page redirection |
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77 */ |
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78 #define NGX_HTTP_TO_HTTPS 497 |
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79 |
613 | 80 /* 498 is the canceled code for the requests with invalid host name */ |
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81 |
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82 /* |
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83 * HTTP does not define the code for the case when a client closed |
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84 * the connection while we are processing its request so we introduce |
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85 * own code to log such situation when a client has closed the connection |
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86 * before we even try to send the HTTP header to it |
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87 */ |
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88 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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89 |
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90 |
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91 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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92 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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93 #define NGX_HTTP_BAD_GATEWAY 502 |
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94 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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95 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
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96 |
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97 |
597 | 98 #define NGX_HTTP_LOWLEVEL_BUFFERED 0x000000f0 |
99 #define NGX_HTTP_WRITE_BUFFERED 0x00000010 | |
100 #define NGX_HTTP_GZIP_BUFFERED 0x00000020 | |
101 #define NGX_HTTP_SSI_BUFFERED 0x00000100 | |
102 #define NGX_HTTP_COPY_BUFFERED 0x00000200 | |
103 | |
104 | |
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105 typedef enum { |
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106 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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107 NGX_HTTP_READING_REQUEST_STATE, |
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108 NGX_HTTP_PROCESS_REQUEST_STATE, |
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109 |
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110 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
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111 NGX_HTTP_WRITING_UPSTREAM_STATE, |
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112 NGX_HTTP_READING_UPSTREAM_STATE, |
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113 |
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114 NGX_HTTP_WRITING_REQUEST_STATE, |
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115 NGX_HTTP_LINGERING_CLOSE_STATE, |
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116 NGX_HTTP_KEEPALIVE_STATE |
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117 } ngx_http_state_e; |
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118 |
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119 |
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120 typedef struct { |
501 | 121 ngx_str_t name; |
122 ngx_uint_t offset; | |
509 | 123 ngx_http_header_handler_pt handler; |
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124 } ngx_http_header_t; |
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125 |
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126 |
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127 typedef struct { |
509 | 128 ngx_str_t name; |
129 ngx_uint_t offset; | |
569 | 130 } ngx_http_header_out_t; |
509 | 131 |
132 | |
133 typedef struct { | |
501 | 134 ngx_list_t headers; |
164
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162
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135 |
501 | 136 ngx_table_elt_t *host; |
137 ngx_table_elt_t *connection; | |
138 ngx_table_elt_t *if_modified_since; | |
139 ngx_table_elt_t *user_agent; | |
140 ngx_table_elt_t *referer; | |
141 ngx_table_elt_t *content_length; | |
142 ngx_table_elt_t *content_type; | |
155
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154
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143 |
501 | 144 ngx_table_elt_t *range; |
287
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232
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145 |
581 | 146 ngx_table_elt_t *transfer_encoding; |
147 | |
287
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232
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148 #if (NGX_HTTP_GZIP) |
501 | 149 ngx_table_elt_t *accept_encoding; |
150 ngx_table_elt_t *via; | |
287
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232
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151 #endif |
99
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152 |
501 | 153 ngx_table_elt_t *authorization; |
172
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170
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154 |
501 | 155 ngx_table_elt_t *keep_alive; |
91
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156 |
573 | 157 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
501 | 158 ngx_table_elt_t *x_forwarded_for; |
287
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159 #endif |
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160 |
573 | 161 #if (NGX_HTTP_REALIP) |
162 ngx_table_elt_t *x_real_ip; | |
163 #endif | |
164 | |
489 | 165 #if (NGX_HTTP_HEADERS) |
501 | 166 ngx_table_elt_t *accept; |
167 ngx_table_elt_t *accept_language; | |
489 | 168 #endif |
169 | |
503 | 170 ngx_str_t user; |
171 ngx_str_t passwd; | |
172 | |
501 | 173 ngx_array_t cookies; |
174 | |
175 size_t host_name_len; | |
176 ssize_t content_length_n; | |
177 time_t keep_alive_n; | |
408
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396
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178 |
501 | 179 unsigned connection_type:2; |
180 unsigned msie:1; | |
181 unsigned msie4:1; | |
182 unsigned opera:1; | |
183 unsigned gecko:1; | |
184 unsigned konqueror:1; | |
91
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185 } ngx_http_headers_in_t; |
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186 |
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187 |
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188 typedef struct { |
501 | 189 off_t start; |
190 off_t end; | |
191 ngx_str_t content_range; | |
99
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192 } ngx_http_range_t; |
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96
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193 |
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parents:
96
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194 |
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parents:
96
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195 typedef struct { |
501 | 196 ngx_list_t headers; |
164
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197 |
501 | 198 ngx_uint_t status; |
199 ngx_str_t status_line; | |
91
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200 |
501 | 201 ngx_table_elt_t *server; |
202 ngx_table_elt_t *date; | |
203 ngx_table_elt_t *content_length; | |
204 ngx_table_elt_t *content_encoding; | |
205 ngx_table_elt_t *location; | |
206 ngx_table_elt_t *last_modified; | |
207 ngx_table_elt_t *content_range; | |
208 ngx_table_elt_t *accept_ranges; | |
503 | 209 ngx_table_elt_t *www_authenticate; |
501 | 210 ngx_table_elt_t *expires; |
211 ngx_table_elt_t *etag; | |
99
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212 |
509 | 213 ngx_str_t content_type; |
501 | 214 ngx_str_t charset; |
215 ngx_array_t ranges; | |
91
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216 |
509 | 217 ngx_array_t cache_control; |
218 | |
501 | 219 off_t content_length_n; |
220 time_t date_time; | |
221 time_t last_modified_time; | |
91
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222 } ngx_http_headers_out_t; |
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223 |
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224 |
479 | 225 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
226 | |
297
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227 typedef struct { |
479 | 228 ngx_temp_file_t *temp_file; |
229 ngx_chain_t *bufs; | |
230 ngx_buf_t *buf; | |
231 size_t rest; | |
232 ngx_http_client_body_handler_pt post_handler; | |
297
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233 } ngx_http_request_body_t; |
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234 |
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235 |
432
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parents:
429
diff
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236 typedef struct { |
501 | 237 ngx_http_request_t *request; |
433
9a97dcdd2421
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parents:
432
diff
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238 |
501 | 239 ngx_buf_t **busy; |
240 ngx_int_t nbusy; | |
433
9a97dcdd2421
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Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
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241 |
501 | 242 ngx_buf_t **free; |
243 ngx_int_t nfree; | |
433
9a97dcdd2421
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Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
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|
244 |
501 | 245 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
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246 } ngx_http_connection_t; |
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247 |
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248 |
593 | 249 typedef struct { |
250 ngx_hash_t hash; | |
251 ngx_hash_wildcard_t *dns_wildcards; | |
252 } ngx_http_virtual_names_t; | |
253 | |
254 | |
569 | 255 typedef void (*ngx_http_cleanup_pt)(void *data); |
256 | |
257 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
258 | |
259 struct ngx_http_cleanup_s { | |
593 | 260 ngx_http_cleanup_pt handler; |
261 void *data; | |
262 ngx_http_cleanup_t *next; | |
569 | 263 }; |
264 | |
265 | |
509 | 266 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
267 | |
268 struct ngx_http_postponed_request_s { | |
535 | 269 ngx_http_request_t *request; |
270 ngx_chain_t *out; | |
271 ngx_http_postponed_request_t *next; | |
509 | 272 }; |
273 | |
274 | |
356
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346
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275 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 276 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
277 | |
143
5526213be452
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141
diff
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278 |
91
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279 struct ngx_http_request_s { |
501 | 280 uint32_t signature; /* "HTTP" */ |
367
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parents:
362
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281 |
501 | 282 ngx_connection_t *connection; |
91
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283 |
501 | 284 void **ctx; |
285 void **main_conf; | |
286 void **srv_conf; | |
287 void **loc_conf; | |
91
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288 |
509 | 289 ngx_http_event_handler_pt read_event_handler; |
290 ngx_http_event_handler_pt write_event_handler; | |
291 | |
501 | 292 ngx_http_cache_t *cache; |
197
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190
diff
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293 |
501 | 294 ngx_http_upstream_t *upstream; |
479 | 295 |
501 | 296 ngx_pool_t *pool; |
297 ngx_buf_t *header_in; | |
91
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298 |
501 | 299 ngx_http_headers_in_t headers_in; |
300 ngx_http_headers_out_t headers_out; | |
91
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301 |
501 | 302 ngx_http_request_body_t *request_body; |
297
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303 |
501 | 304 time_t lingering_time; |
305 time_t start_time; | |
91
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306 |
501 | 307 ngx_uint_t method; |
308 ngx_uint_t http_version; | |
309 ngx_uint_t http_major; | |
310 ngx_uint_t http_minor; | |
577 | 311 |
501 | 312 ngx_str_t request_line; |
313 ngx_str_t uri; | |
314 ngx_str_t args; | |
315 ngx_str_t exten; | |
316 ngx_str_t unparsed_uri; | |
314
d71c87d11b16
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parents:
313
diff
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|
317 |
501 | 318 ngx_str_t method_name; |
319 ngx_str_t http_protocol; | |
577 | 320 |
509 | 321 ngx_chain_t *out; |
501 | 322 ngx_http_request_t *main; |
509 | 323 ngx_http_request_t *parent; |
324 ngx_http_postponed_request_t *postponed; | |
91
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325 |
501 | 326 uint32_t in_addr; |
327 ngx_uint_t port; | |
328 ngx_str_t *port_text; /* ":80" */ | |
329 ngx_str_t server_name; | |
593 | 330 ngx_http_virtual_names_t *virtual_names; |
99
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96
diff
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331 |
501 | 332 ngx_uint_t phase; |
333 ngx_int_t phase_handler; | |
334 ngx_http_handler_pt content_handler; | |
543 | 335 ngx_uint_t access_code; |
485 | 336 |
573 | 337 ngx_http_variable_value_t *variables; |
501 | 338 |
595 | 339 size_t root_length; |
340 | |
527 | 341 size_t limit_rate; |
342 | |
297
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343 /* used to learn the Apache compatible response length without a header */ |
501 | 344 size_t header_size; |
210
00cafae0bdf1
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parents:
201
diff
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|
345 |
501 | 346 size_t request_length; |
475 | 347 |
501 | 348 void **err_ctx; |
349 ngx_uint_t err_status; | |
91
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350 |
501 | 351 ngx_http_connection_t *http_connection; |
432
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parents:
429
diff
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|
352 |
509 | 353 ngx_http_log_handler_pt log_handler; |
354 | |
569 | 355 ngx_http_cleanup_t *cleanup; |
356 | |
501 | 357 unsigned http_state:4; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
210
diff
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|
358 |
452 | 359 /* URI with "/." and on Win32 with "//" */ |
501 | 360 unsigned complex_uri:1; |
485 | 361 |
452 | 362 /* URI with "%" */ |
501 | 363 unsigned quoted_uri:1; |
485 | 364 |
365 /* URI with "+" */ | |
501 | 366 unsigned plus_in_uri:1; |
485 | 367 |
489 | 368 /* URI with "\0" or "%00" */ |
501 | 369 unsigned zero_in_uri:1; |
489 | 370 |
511 | 371 unsigned invalid_header:1; |
372 | |
509 | 373 unsigned valid_location:1; |
505 | 374 unsigned valid_unparsed_uri:1; |
501 | 375 unsigned uri_changed:1; |
376 unsigned uri_changes:4; | |
485 | 377 |
597 | 378 unsigned fast_subrequest:1; |
379 | |
501 | 380 unsigned low_case_exten:1; |
381 unsigned header_timeout_set:1; | |
91
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382 |
501 | 383 unsigned proxy:1; |
384 unsigned bypass_cache:1; | |
385 unsigned no_cache:1; | |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
164
diff
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|
386 |
573 | 387 #if (NGX_HTTP_REALIP) |
388 | |
389 /* | |
390 * instead of using the request context data in ngx_http_realip_module | |
391 * we use the single bit in the request structure | |
392 */ | |
393 unsigned realip_set:1; | |
394 | |
395 #endif | |
396 | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
96
diff
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|
397 #if 0 |
501 | 398 unsigned cachable:1; |
99
a059e1aa65d4
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parents:
96
diff
changeset
|
399 #endif |
509 | 400 |
501 | 401 unsigned pipeline:1; |
402 unsigned plain_http:1; | |
403 unsigned chunked:1; | |
404 unsigned header_only:1; | |
405 unsigned keepalive:1; | |
406 unsigned lingering_close:1; | |
537 | 407 unsigned discard_body:1; |
509 | 408 unsigned internal:1; |
629 | 409 unsigned post_action:1; |
410 unsigned request_complete:1; | |
509 | 411 unsigned done:1; |
523 | 412 unsigned utf8:1; |
99
a059e1aa65d4
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parents:
96
diff
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|
413 |
513 | 414 unsigned main_filter_need_in_memory:1; |
501 | 415 unsigned filter_need_in_memory:1; |
416 unsigned filter_need_temporary:1; | |
581 | 417 unsigned allow_ranges:1; |
91
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parents:
diff
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|
418 |
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
diff
changeset
|
419 #if (NGX_STAT_STUB) |
501 | 420 unsigned stat_reading:1; |
421 unsigned stat_writing:1; | |
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
diff
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|
422 #endif |
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
diff
changeset
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423 |
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424 /* used to parse HTTP headers */ |
501 | 425 ngx_uint_t state; |
426 u_char *uri_start; | |
427 u_char *uri_end; | |
428 u_char *uri_ext; | |
429 u_char *args_start; | |
430 u_char *request_start; | |
431 u_char *request_end; | |
432 u_char *method_end; | |
433 u_char *schema_start; | |
434 u_char *schema_end; | |
435 u_char *host_start; | |
436 u_char *host_end; | |
437 u_char *port_start; | |
438 u_char *port_end; | |
439 u_char *header_name_start; | |
440 u_char *header_name_end; | |
441 u_char *header_start; | |
442 u_char *header_end; | |
507 | 443 ngx_uint_t header_hash; |
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444 }; |
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445 |
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446 |
569 | 447 extern ngx_http_header_t ngx_http_headers_in[]; |
448 extern ngx_http_header_out_t ngx_http_headers_out[]; | |
164
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449 |
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450 |
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451 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |