Mercurial > hg > nginx
annotate src/http/ngx_http_request.h @ 633:f971949ffb58 release-0.3.38
nginx-0.3.38-RELEASE import
*) Feature: the ngx_http_dav_module.
*) Change: the ngx_http_perl_module optimizations.
Thanks to Sergey Skvortsov.
*) Feature: the ngx_http_perl_module supports the $r->request_body_file
method.
*) Feature: the "client_body_in_file_only" directive.
*) Workaround: now on disk overflow nginx tries to write access logs
once a second only.
Thanks to Anton Yuzhaninov and Maxim Dounin.
*) Bugfix: now the "limit_rate" directive more precisely limits rate if
rate is more than 100 Kbyte/s.
Thanks to ForJest.
*) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in
login and password to pass authorization server.
Thanks to Maxim Dounin.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 14 Apr 2006 09:53:38 +0000 |
parents | 5d2b8078c1c2 |
children | e60fe4cf1d4e |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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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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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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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 |
633 | 22 #define NGX_HTTP_UNKNOWN 0x0001 |
23 #define NGX_HTTP_GET 0x0002 | |
24 #define NGX_HTTP_HEAD 0x0004 | |
25 #define NGX_HTTP_POST 0x0008 | |
26 #define NGX_HTTP_PUT 0x0010 | |
27 #define NGX_HTTP_DELETE 0x0020 | |
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29 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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30 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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31 |
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33 #define NGX_NONE 1 |
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34 |
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36 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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38 #define NGX_HTTP_CLIENT_ERROR 10 |
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39 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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40 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 41 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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42 |
505 | 43 #define NGX_HTTP_PARSE_INVALID_HEADER 13 |
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44 |
573 | 45 #define NGX_HTTP_ZERO_IN_URI 1 |
46 | |
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48 #define NGX_HTTP_OK 200 |
633 | 49 #define NGX_HTTP_CREATED 201 |
511 | 50 #define NGX_HTTP_NO_CONTENT 204 |
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51 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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53 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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54 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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55 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
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56 #define NGX_HTTP_NOT_MODIFIED 304 |
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57 |
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58 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 59 #define NGX_HTTP_UNAUTHORIZED 401 |
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60 #define NGX_HTTP_FORBIDDEN 403 |
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61 #define NGX_HTTP_NOT_FOUND 404 |
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62 #define NGX_HTTP_NOT_ALLOWED 405 |
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63 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
581 | 64 #define NGX_HTTP_LENGTH_REQUIRED 411 |
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65 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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66 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
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67 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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68 |
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69 |
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70 /* Our own HTTP codes */ |
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71 |
587 | 72 /* The special code to close connection without any response */ |
73 #define NGX_HTTP_CLOSE 444 | |
74 | |
75 #define NGX_HTTP_OWN_CODES NGX_HTTP_TO_HTTPS | |
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76 |
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77 /* |
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78 * We use the special code for the plain HTTP requests that are sent to |
577 | 79 * HTTPS port to distinguish it from 4XX in an error page redirection |
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80 */ |
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81 #define NGX_HTTP_TO_HTTPS 497 |
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613 | 83 /* 498 is the canceled code for the requests with invalid host name */ |
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84 |
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85 /* |
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86 * HTTP does not define the code for the case when a client closed |
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87 * the connection while we are processing its request so we introduce |
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88 * own code to log such situation when a client has closed the connection |
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89 * before we even try to send the HTTP header to it |
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90 */ |
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91 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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92 |
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93 |
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94 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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95 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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96 #define NGX_HTTP_BAD_GATEWAY 502 |
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97 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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98 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
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99 |
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100 |
597 | 101 #define NGX_HTTP_LOWLEVEL_BUFFERED 0x000000f0 |
102 #define NGX_HTTP_WRITE_BUFFERED 0x00000010 | |
103 #define NGX_HTTP_GZIP_BUFFERED 0x00000020 | |
104 #define NGX_HTTP_SSI_BUFFERED 0x00000100 | |
105 #define NGX_HTTP_COPY_BUFFERED 0x00000200 | |
106 | |
107 | |
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108 typedef enum { |
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109 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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110 NGX_HTTP_READING_REQUEST_STATE, |
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111 NGX_HTTP_PROCESS_REQUEST_STATE, |
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112 |
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113 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
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114 NGX_HTTP_WRITING_UPSTREAM_STATE, |
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115 NGX_HTTP_READING_UPSTREAM_STATE, |
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116 |
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117 NGX_HTTP_WRITING_REQUEST_STATE, |
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118 NGX_HTTP_LINGERING_CLOSE_STATE, |
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119 NGX_HTTP_KEEPALIVE_STATE |
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120 } ngx_http_state_e; |
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121 |
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122 |
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123 typedef struct { |
501 | 124 ngx_str_t name; |
125 ngx_uint_t offset; | |
509 | 126 ngx_http_header_handler_pt handler; |
91
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127 } ngx_http_header_t; |
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128 |
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129 |
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130 typedef struct { |
509 | 131 ngx_str_t name; |
132 ngx_uint_t offset; | |
569 | 133 } ngx_http_header_out_t; |
509 | 134 |
135 | |
136 typedef struct { | |
501 | 137 ngx_list_t headers; |
164
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138 |
501 | 139 ngx_table_elt_t *host; |
140 ngx_table_elt_t *connection; | |
141 ngx_table_elt_t *if_modified_since; | |
142 ngx_table_elt_t *user_agent; | |
143 ngx_table_elt_t *referer; | |
144 ngx_table_elt_t *content_length; | |
145 ngx_table_elt_t *content_type; | |
155
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146 |
501 | 147 ngx_table_elt_t *range; |
287
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148 |
581 | 149 ngx_table_elt_t *transfer_encoding; |
150 | |
287
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232
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151 #if (NGX_HTTP_GZIP) |
501 | 152 ngx_table_elt_t *accept_encoding; |
153 ngx_table_elt_t *via; | |
287
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154 #endif |
99
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155 |
501 | 156 ngx_table_elt_t *authorization; |
172
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157 |
501 | 158 ngx_table_elt_t *keep_alive; |
91
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159 |
573 | 160 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
501 | 161 ngx_table_elt_t *x_forwarded_for; |
287
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162 #endif |
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163 |
573 | 164 #if (NGX_HTTP_REALIP) |
165 ngx_table_elt_t *x_real_ip; | |
166 #endif | |
167 | |
489 | 168 #if (NGX_HTTP_HEADERS) |
501 | 169 ngx_table_elt_t *accept; |
170 ngx_table_elt_t *accept_language; | |
489 | 171 #endif |
172 | |
503 | 173 ngx_str_t user; |
174 ngx_str_t passwd; | |
175 | |
501 | 176 ngx_array_t cookies; |
177 | |
178 size_t host_name_len; | |
179 ssize_t content_length_n; | |
180 time_t keep_alive_n; | |
408
d6e2b445c1b8
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396
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181 |
501 | 182 unsigned connection_type:2; |
183 unsigned msie:1; | |
184 unsigned msie4:1; | |
185 unsigned opera:1; | |
186 unsigned gecko:1; | |
187 unsigned konqueror:1; | |
91
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188 } ngx_http_headers_in_t; |
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189 |
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190 |
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191 typedef struct { |
501 | 192 off_t start; |
193 off_t end; | |
194 ngx_str_t content_range; | |
99
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195 } ngx_http_range_t; |
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196 |
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parents:
96
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197 |
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parents:
96
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198 typedef struct { |
501 | 199 ngx_list_t headers; |
164
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200 |
501 | 201 ngx_uint_t status; |
202 ngx_str_t status_line; | |
91
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203 |
501 | 204 ngx_table_elt_t *server; |
205 ngx_table_elt_t *date; | |
206 ngx_table_elt_t *content_length; | |
207 ngx_table_elt_t *content_encoding; | |
208 ngx_table_elt_t *location; | |
209 ngx_table_elt_t *last_modified; | |
210 ngx_table_elt_t *content_range; | |
211 ngx_table_elt_t *accept_ranges; | |
503 | 212 ngx_table_elt_t *www_authenticate; |
501 | 213 ngx_table_elt_t *expires; |
214 ngx_table_elt_t *etag; | |
99
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215 |
509 | 216 ngx_str_t content_type; |
501 | 217 ngx_str_t charset; |
218 ngx_array_t ranges; | |
91
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219 |
509 | 220 ngx_array_t cache_control; |
221 | |
501 | 222 off_t content_length_n; |
223 time_t date_time; | |
224 time_t last_modified_time; | |
91
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225 } ngx_http_headers_out_t; |
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226 |
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227 |
479 | 228 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
229 | |
297
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230 typedef struct { |
479 | 231 ngx_temp_file_t *temp_file; |
232 ngx_chain_t *bufs; | |
233 ngx_buf_t *buf; | |
234 size_t rest; | |
633 | 235 ngx_chain_t *to_write; |
479 | 236 ngx_http_client_body_handler_pt post_handler; |
297
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237 } ngx_http_request_body_t; |
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238 |
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239 |
432
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parents:
429
diff
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240 typedef struct { |
501 | 241 ngx_http_request_t *request; |
433
9a97dcdd2421
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parents:
432
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242 |
501 | 243 ngx_buf_t **busy; |
244 ngx_int_t nbusy; | |
433
9a97dcdd2421
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Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
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245 |
501 | 246 ngx_buf_t **free; |
247 ngx_int_t nfree; | |
433
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parents:
432
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248 |
501 | 249 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
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429
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250 } ngx_http_connection_t; |
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251 |
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252 |
593 | 253 typedef struct { |
254 ngx_hash_t hash; | |
255 ngx_hash_wildcard_t *dns_wildcards; | |
256 } ngx_http_virtual_names_t; | |
257 | |
258 | |
569 | 259 typedef void (*ngx_http_cleanup_pt)(void *data); |
260 | |
261 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
262 | |
263 struct ngx_http_cleanup_s { | |
593 | 264 ngx_http_cleanup_pt handler; |
265 void *data; | |
266 ngx_http_cleanup_t *next; | |
569 | 267 }; |
268 | |
269 | |
509 | 270 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
271 | |
272 struct ngx_http_postponed_request_s { | |
535 | 273 ngx_http_request_t *request; |
274 ngx_chain_t *out; | |
275 ngx_http_postponed_request_t *next; | |
509 | 276 }; |
277 | |
278 | |
356
2e3cbc1bbe3c
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346
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279 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 280 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
281 | |
143
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141
diff
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282 |
91
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283 struct ngx_http_request_s { |
501 | 284 uint32_t signature; /* "HTTP" */ |
367
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parents:
362
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285 |
501 | 286 ngx_connection_t *connection; |
91
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287 |
501 | 288 void **ctx; |
289 void **main_conf; | |
290 void **srv_conf; | |
291 void **loc_conf; | |
91
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292 |
509 | 293 ngx_http_event_handler_pt read_event_handler; |
294 ngx_http_event_handler_pt write_event_handler; | |
295 | |
501 | 296 ngx_http_cache_t *cache; |
197
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190
diff
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297 |
501 | 298 ngx_http_upstream_t *upstream; |
479 | 299 |
501 | 300 ngx_pool_t *pool; |
301 ngx_buf_t *header_in; | |
91
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302 |
501 | 303 ngx_http_headers_in_t headers_in; |
304 ngx_http_headers_out_t headers_out; | |
91
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305 |
501 | 306 ngx_http_request_body_t *request_body; |
297
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307 |
501 | 308 time_t lingering_time; |
309 time_t start_time; | |
91
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310 |
501 | 311 ngx_uint_t method; |
312 ngx_uint_t http_version; | |
313 ngx_uint_t http_major; | |
314 ngx_uint_t http_minor; | |
577 | 315 |
501 | 316 ngx_str_t request_line; |
317 ngx_str_t uri; | |
318 ngx_str_t args; | |
319 ngx_str_t exten; | |
320 ngx_str_t unparsed_uri; | |
314
d71c87d11b16
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parents:
313
diff
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321 |
501 | 322 ngx_str_t method_name; |
323 ngx_str_t http_protocol; | |
577 | 324 |
509 | 325 ngx_chain_t *out; |
501 | 326 ngx_http_request_t *main; |
509 | 327 ngx_http_request_t *parent; |
328 ngx_http_postponed_request_t *postponed; | |
91
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329 |
501 | 330 uint32_t in_addr; |
331 ngx_uint_t port; | |
332 ngx_str_t *port_text; /* ":80" */ | |
333 ngx_str_t server_name; | |
593 | 334 ngx_http_virtual_names_t *virtual_names; |
99
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96
diff
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335 |
501 | 336 ngx_uint_t phase; |
337 ngx_int_t phase_handler; | |
338 ngx_http_handler_pt content_handler; | |
543 | 339 ngx_uint_t access_code; |
485 | 340 |
573 | 341 ngx_http_variable_value_t *variables; |
501 | 342 |
595 | 343 size_t root_length; |
344 | |
527 | 345 size_t limit_rate; |
346 | |
297
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347 /* used to learn the Apache compatible response length without a header */ |
501 | 348 size_t header_size; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
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parents:
201
diff
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|
349 |
501 | 350 size_t request_length; |
475 | 351 |
501 | 352 void **err_ctx; |
353 ngx_uint_t err_status; | |
91
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354 |
501 | 355 ngx_http_connection_t *http_connection; |
432
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parents:
429
diff
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|
356 |
509 | 357 ngx_http_log_handler_pt log_handler; |
358 | |
569 | 359 ngx_http_cleanup_t *cleanup; |
360 | |
501 | 361 unsigned http_state:4; |
216
f1d0e5f09c1e
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parents:
210
diff
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|
362 |
452 | 363 /* URI with "/." and on Win32 with "//" */ |
501 | 364 unsigned complex_uri:1; |
485 | 365 |
452 | 366 /* URI with "%" */ |
501 | 367 unsigned quoted_uri:1; |
485 | 368 |
369 /* URI with "+" */ | |
501 | 370 unsigned plus_in_uri:1; |
485 | 371 |
489 | 372 /* URI with "\0" or "%00" */ |
501 | 373 unsigned zero_in_uri:1; |
489 | 374 |
511 | 375 unsigned invalid_header:1; |
376 | |
509 | 377 unsigned valid_location:1; |
505 | 378 unsigned valid_unparsed_uri:1; |
501 | 379 unsigned uri_changed:1; |
380 unsigned uri_changes:4; | |
485 | 381 |
633 | 382 unsigned request_body_in_single_buf:1; |
383 unsigned request_body_in_file_only:1; | |
384 unsigned request_body_in_persistent_file:1; | |
385 unsigned request_body_delete_incomplete_file:1; | |
386 unsigned request_body_file_group_access:1; | |
387 | |
597 | 388 unsigned fast_subrequest:1; |
389 | |
501 | 390 unsigned low_case_exten:1; |
391 unsigned header_timeout_set:1; | |
91
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392 |
501 | 393 unsigned proxy:1; |
394 unsigned bypass_cache:1; | |
395 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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|
396 |
573 | 397 #if (NGX_HTTP_REALIP) |
398 | |
399 /* | |
400 * instead of using the request context data in ngx_http_realip_module | |
401 * we use the single bit in the request structure | |
402 */ | |
403 unsigned realip_set:1; | |
404 | |
405 #endif | |
406 | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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96
diff
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|
407 #if 0 |
501 | 408 unsigned cachable:1; |
99
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parents:
96
diff
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|
409 #endif |
509 | 410 |
501 | 411 unsigned pipeline:1; |
412 unsigned plain_http:1; | |
413 unsigned chunked:1; | |
414 unsigned header_only:1; | |
415 unsigned keepalive:1; | |
416 unsigned lingering_close:1; | |
537 | 417 unsigned discard_body:1; |
509 | 418 unsigned internal:1; |
629 | 419 unsigned post_action:1; |
420 unsigned request_complete:1; | |
509 | 421 unsigned done:1; |
523 | 422 unsigned utf8:1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
96
diff
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|
423 |
513 | 424 unsigned main_filter_need_in_memory:1; |
501 | 425 unsigned filter_need_in_memory:1; |
426 unsigned filter_need_temporary:1; | |
581 | 427 unsigned allow_ranges:1; |
91
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428 |
427
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nginx-0.0.10-2004-09-15-20:00:43 import
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429 #if (NGX_STAT_STUB) |
501 | 430 unsigned stat_reading:1; |
431 unsigned stat_writing:1; | |
427
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432 #endif |
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433 |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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434 /* used to parse HTTP headers */ |
501 | 435 ngx_uint_t state; |
436 u_char *uri_start; | |
437 u_char *uri_end; | |
438 u_char *uri_ext; | |
439 u_char *args_start; | |
440 u_char *request_start; | |
441 u_char *request_end; | |
442 u_char *method_end; | |
443 u_char *schema_start; | |
444 u_char *schema_end; | |
445 u_char *host_start; | |
446 u_char *host_end; | |
447 u_char *port_start; | |
448 u_char *port_end; | |
449 u_char *header_name_start; | |
450 u_char *header_name_end; | |
451 u_char *header_start; | |
452 u_char *header_end; | |
507 | 453 ngx_uint_t header_hash; |
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454 }; |
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nginx-0.0.1-2003-05-19-20:39:14 import
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455 |
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nginx-0.0.1-2003-05-19-20:39:14 import
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456 |
569 | 457 extern ngx_http_header_t ngx_http_headers_in[]; |
458 extern ngx_http_header_out_t ngx_http_headers_out[]; | |
164
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nginx-0.0.1-2003-10-29-11:30:44 import
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459 |
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460 |
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461 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |