Mercurial > hg > nginx-quic
annotate src/http/ngx_http_request.h @ 725:86862ad988da
fix segfault when zero length file is PUT
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 01 Oct 2006 07:17:01 +0000 |
parents | 7e24168b0853 |
children | 1be87cdd010f |
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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10 |
651 | 11 #define NGX_HTTP_MAX_URI_CHANGES 10 |
657 | 12 #define NGX_HTTP_MAX_SUBREQUESTS 50 |
509 | 13 |
649 | 14 /* must be 2^n */ |
15 #define NGX_HTTP_LC_HEADER_LEN 32 | |
16 | |
509 | 17 |
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18 #define NGX_HTTP_DISCARD_BUFFER_SIZE 4096 |
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19 #define NGX_HTTP_LINGERING_BUFFER_SIZE 4096 |
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20 |
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22 #define NGX_HTTP_VERSION_9 9 |
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23 #define NGX_HTTP_VERSION_10 1000 |
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24 #define NGX_HTTP_VERSION_11 1001 |
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25 |
633 | 26 #define NGX_HTTP_UNKNOWN 0x0001 |
27 #define NGX_HTTP_GET 0x0002 | |
28 #define NGX_HTTP_HEAD 0x0004 | |
29 #define NGX_HTTP_POST 0x0008 | |
30 #define NGX_HTTP_PUT 0x0010 | |
31 #define NGX_HTTP_DELETE 0x0020 | |
637 | 32 #define NGX_HTTP_MKCOL 0x0040 |
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34 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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35 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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36 |
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38 #define NGX_NONE 1 |
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39 |
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40 |
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41 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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43 #define NGX_HTTP_CLIENT_ERROR 10 |
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44 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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45 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 46 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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47 |
505 | 48 #define NGX_HTTP_PARSE_INVALID_HEADER 13 |
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49 |
573 | 50 #define NGX_HTTP_ZERO_IN_URI 1 |
51 | |
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53 #define NGX_HTTP_OK 200 |
633 | 54 #define NGX_HTTP_CREATED 201 |
511 | 55 #define NGX_HTTP_NO_CONTENT 204 |
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56 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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58 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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59 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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60 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
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61 #define NGX_HTTP_NOT_MODIFIED 304 |
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62 |
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63 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 64 #define NGX_HTTP_UNAUTHORIZED 401 |
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65 #define NGX_HTTP_FORBIDDEN 403 |
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66 #define NGX_HTTP_NOT_FOUND 404 |
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67 #define NGX_HTTP_NOT_ALLOWED 405 |
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68 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
637 | 69 #define NGX_HTTP_CONFLICT 409 |
581 | 70 #define NGX_HTTP_LENGTH_REQUIRED 411 |
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71 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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72 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
637 | 73 #define NGX_HTTP_UNSUPPORTED_MEDIA_TYPE 415 |
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74 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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75 |
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76 |
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77 /* Our own HTTP codes */ |
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78 |
587 | 79 /* The special code to close connection without any response */ |
80 #define NGX_HTTP_CLOSE 444 | |
81 | |
647 | 82 #define NGX_HTTP_OWN_CODES 495 |
83 | |
84 #define NGX_HTTPS_CERT_ERROR 495 | |
85 #define NGX_HTTPS_NO_CERT 496 | |
384
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86 |
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87 /* |
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88 * We use the special code for the plain HTTP requests that are sent to |
577 | 89 * HTTPS port to distinguish it from 4XX in an error page redirection |
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90 */ |
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91 #define NGX_HTTP_TO_HTTPS 497 |
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92 |
613 | 93 /* 498 is the canceled code for the requests with invalid host name */ |
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94 |
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95 /* |
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96 * HTTP does not define the code for the case when a client closed |
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97 * the connection while we are processing its request so we introduce |
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98 * own code to log such situation when a client has closed the connection |
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99 * before we even try to send the HTTP header to it |
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100 */ |
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101 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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102 |
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103 |
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104 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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105 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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106 #define NGX_HTTP_BAD_GATEWAY 502 |
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107 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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108 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
637 | 109 #define NGX_HTTP_INSUFFICIENT_STORAGE 507 |
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110 |
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111 |
597 | 112 #define NGX_HTTP_LOWLEVEL_BUFFERED 0x000000f0 |
113 #define NGX_HTTP_WRITE_BUFFERED 0x00000010 | |
114 #define NGX_HTTP_GZIP_BUFFERED 0x00000020 | |
115 #define NGX_HTTP_SSI_BUFFERED 0x00000100 | |
116 #define NGX_HTTP_COPY_BUFFERED 0x00000200 | |
117 | |
118 | |
216
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119 typedef enum { |
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120 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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121 NGX_HTTP_READING_REQUEST_STATE, |
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122 NGX_HTTP_PROCESS_REQUEST_STATE, |
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123 |
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124 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
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125 NGX_HTTP_WRITING_UPSTREAM_STATE, |
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126 NGX_HTTP_READING_UPSTREAM_STATE, |
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127 |
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128 NGX_HTTP_WRITING_REQUEST_STATE, |
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129 NGX_HTTP_LINGERING_CLOSE_STATE, |
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130 NGX_HTTP_KEEPALIVE_STATE |
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131 } ngx_http_state_e; |
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132 |
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133 |
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134 typedef struct { |
501 | 135 ngx_str_t name; |
136 ngx_uint_t offset; | |
509 | 137 ngx_http_header_handler_pt handler; |
91
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138 } ngx_http_header_t; |
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139 |
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140 |
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141 typedef struct { |
509 | 142 ngx_str_t name; |
143 ngx_uint_t offset; | |
569 | 144 } ngx_http_header_out_t; |
509 | 145 |
146 | |
147 typedef struct { | |
501 | 148 ngx_list_t headers; |
164
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149 |
501 | 150 ngx_table_elt_t *host; |
151 ngx_table_elt_t *connection; | |
152 ngx_table_elt_t *if_modified_since; | |
153 ngx_table_elt_t *user_agent; | |
154 ngx_table_elt_t *referer; | |
155 ngx_table_elt_t *content_length; | |
156 ngx_table_elt_t *content_type; | |
155
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157 |
501 | 158 ngx_table_elt_t *range; |
287
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159 |
581 | 160 ngx_table_elt_t *transfer_encoding; |
161 | |
287
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162 #if (NGX_HTTP_GZIP) |
501 | 163 ngx_table_elt_t *accept_encoding; |
164 ngx_table_elt_t *via; | |
287
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165 #endif |
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166 |
501 | 167 ngx_table_elt_t *authorization; |
172
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168 |
501 | 169 ngx_table_elt_t *keep_alive; |
91
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170 |
573 | 171 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
501 | 172 ngx_table_elt_t *x_forwarded_for; |
287
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173 #endif |
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174 |
573 | 175 #if (NGX_HTTP_REALIP) |
176 ngx_table_elt_t *x_real_ip; | |
177 #endif | |
178 | |
489 | 179 #if (NGX_HTTP_HEADERS) |
501 | 180 ngx_table_elt_t *accept; |
181 ngx_table_elt_t *accept_language; | |
489 | 182 #endif |
183 | |
637 | 184 #if (NGX_HTTP_DAV) |
185 ngx_table_elt_t *depth; | |
186 ngx_table_elt_t *destination; | |
681 | 187 ngx_table_elt_t *date; |
637 | 188 #endif |
189 | |
503 | 190 ngx_str_t user; |
191 ngx_str_t passwd; | |
192 | |
501 | 193 ngx_array_t cookies; |
194 | |
195 size_t host_name_len; | |
663 | 196 off_t content_length_n; |
501 | 197 time_t keep_alive_n; |
408
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198 |
501 | 199 unsigned connection_type:2; |
200 unsigned msie:1; | |
201 unsigned msie4:1; | |
202 unsigned opera:1; | |
203 unsigned gecko:1; | |
204 unsigned konqueror:1; | |
91
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205 } ngx_http_headers_in_t; |
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206 |
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207 |
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208 typedef struct { |
501 | 209 off_t start; |
210 off_t end; | |
211 ngx_str_t content_range; | |
99
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212 } ngx_http_range_t; |
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213 |
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214 |
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215 typedef struct { |
501 | 216 ngx_list_t headers; |
164
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217 |
501 | 218 ngx_uint_t status; |
219 ngx_str_t status_line; | |
91
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220 |
501 | 221 ngx_table_elt_t *server; |
222 ngx_table_elt_t *date; | |
223 ngx_table_elt_t *content_length; | |
224 ngx_table_elt_t *content_encoding; | |
225 ngx_table_elt_t *location; | |
226 ngx_table_elt_t *last_modified; | |
227 ngx_table_elt_t *content_range; | |
228 ngx_table_elt_t *accept_ranges; | |
503 | 229 ngx_table_elt_t *www_authenticate; |
501 | 230 ngx_table_elt_t *expires; |
231 ngx_table_elt_t *etag; | |
99
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232 |
657 | 233 ngx_str_t *override_charset; |
234 | |
235 size_t content_type_len; | |
509 | 236 ngx_str_t content_type; |
501 | 237 ngx_str_t charset; |
657 | 238 |
501 | 239 ngx_array_t ranges; |
509 | 240 ngx_array_t cache_control; |
241 | |
501 | 242 off_t content_length_n; |
243 time_t date_time; | |
244 time_t last_modified_time; | |
91
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245 } ngx_http_headers_out_t; |
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246 |
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247 |
479 | 248 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
249 | |
297
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250 typedef struct { |
479 | 251 ngx_temp_file_t *temp_file; |
252 ngx_chain_t *bufs; | |
253 ngx_buf_t *buf; | |
663 | 254 off_t rest; |
633 | 255 ngx_chain_t *to_write; |
479 | 256 ngx_http_client_body_handler_pt post_handler; |
297
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257 } ngx_http_request_body_t; |
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258 |
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259 |
432
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260 typedef struct { |
501 | 261 ngx_http_request_t *request; |
433
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262 |
501 | 263 ngx_buf_t **busy; |
264 ngx_int_t nbusy; | |
433
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432
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265 |
501 | 266 ngx_buf_t **free; |
267 ngx_int_t nfree; | |
433
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268 |
501 | 269 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
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270 } ngx_http_connection_t; |
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271 |
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272 |
593 | 273 typedef struct { |
274 ngx_hash_t hash; | |
275 ngx_hash_wildcard_t *dns_wildcards; | |
276 } ngx_http_virtual_names_t; | |
277 | |
278 | |
569 | 279 typedef void (*ngx_http_cleanup_pt)(void *data); |
280 | |
281 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
282 | |
283 struct ngx_http_cleanup_s { | |
593 | 284 ngx_http_cleanup_pt handler; |
285 void *data; | |
286 ngx_http_cleanup_t *next; | |
569 | 287 }; |
288 | |
289 | |
509 | 290 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
291 | |
292 struct ngx_http_postponed_request_s { | |
535 | 293 ngx_http_request_t *request; |
294 ngx_chain_t *out; | |
295 ngx_http_postponed_request_t *next; | |
509 | 296 }; |
297 | |
298 | |
356
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299 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 300 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
301 | |
143
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141
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302 |
91
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303 struct ngx_http_request_s { |
501 | 304 uint32_t signature; /* "HTTP" */ |
367
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305 |
501 | 306 ngx_connection_t *connection; |
91
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307 |
501 | 308 void **ctx; |
309 void **main_conf; | |
310 void **srv_conf; | |
311 void **loc_conf; | |
91
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312 |
509 | 313 ngx_http_event_handler_pt read_event_handler; |
314 ngx_http_event_handler_pt write_event_handler; | |
315 | |
501 | 316 ngx_http_cache_t *cache; |
197
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317 |
501 | 318 ngx_http_upstream_t *upstream; |
479 | 319 |
501 | 320 ngx_pool_t *pool; |
321 ngx_buf_t *header_in; | |
91
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322 |
501 | 323 ngx_http_headers_in_t headers_in; |
324 ngx_http_headers_out_t headers_out; | |
91
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325 |
501 | 326 ngx_http_request_body_t *request_body; |
297
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327 |
501 | 328 time_t lingering_time; |
329 time_t start_time; | |
91
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330 |
501 | 331 ngx_uint_t method; |
332 ngx_uint_t http_version; | |
333 ngx_uint_t http_major; | |
334 ngx_uint_t http_minor; | |
577 | 335 |
501 | 336 ngx_str_t request_line; |
337 ngx_str_t uri; | |
338 ngx_str_t args; | |
339 ngx_str_t exten; | |
340 ngx_str_t unparsed_uri; | |
314
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313
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341 |
501 | 342 ngx_str_t method_name; |
343 ngx_str_t http_protocol; | |
577 | 344 |
509 | 345 ngx_chain_t *out; |
501 | 346 ngx_http_request_t *main; |
509 | 347 ngx_http_request_t *parent; |
348 ngx_http_postponed_request_t *postponed; | |
91
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349 |
501 | 350 uint32_t in_addr; |
351 ngx_uint_t port; | |
352 ngx_str_t *port_text; /* ":80" */ | |
353 ngx_str_t server_name; | |
593 | 354 ngx_http_virtual_names_t *virtual_names; |
99
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355 |
501 | 356 ngx_int_t phase_handler; |
357 ngx_http_handler_pt content_handler; | |
543 | 358 ngx_uint_t access_code; |
485 | 359 |
573 | 360 ngx_http_variable_value_t *variables; |
501 | 361 |
595 | 362 size_t root_length; |
363 | |
527 | 364 size_t limit_rate; |
365 | |
297
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366 /* used to learn the Apache compatible response length without a header */ |
501 | 367 size_t header_size; |
210
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201
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368 |
663 | 369 off_t request_length; |
475 | 370 |
501 | 371 ngx_uint_t err_status; |
91
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372 |
501 | 373 ngx_http_connection_t *http_connection; |
432
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374 |
509 | 375 ngx_http_log_handler_pt log_handler; |
376 | |
569 | 377 ngx_http_cleanup_t *cleanup; |
378 | |
501 | 379 unsigned http_state:4; |
216
f1d0e5f09c1e
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210
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380 |
452 | 381 /* URI with "/." and on Win32 with "//" */ |
501 | 382 unsigned complex_uri:1; |
485 | 383 |
452 | 384 /* URI with "%" */ |
501 | 385 unsigned quoted_uri:1; |
485 | 386 |
387 /* URI with "+" */ | |
501 | 388 unsigned plus_in_uri:1; |
485 | 389 |
489 | 390 /* URI with "\0" or "%00" */ |
501 | 391 unsigned zero_in_uri:1; |
489 | 392 |
511 | 393 unsigned invalid_header:1; |
394 | |
509 | 395 unsigned valid_location:1; |
505 | 396 unsigned valid_unparsed_uri:1; |
501 | 397 unsigned uri_changed:1; |
398 unsigned uri_changes:4; | |
485 | 399 |
633 | 400 unsigned request_body_in_single_buf:1; |
401 unsigned request_body_in_file_only:1; | |
402 unsigned request_body_in_persistent_file:1; | |
403 unsigned request_body_delete_incomplete_file:1; | |
404 unsigned request_body_file_group_access:1; | |
637 | 405 unsigned request_body_file_log_level:3; |
633 | 406 |
597 | 407 unsigned fast_subrequest:1; |
408 | |
501 | 409 unsigned header_timeout_set:1; |
91
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410 |
501 | 411 unsigned proxy:1; |
412 unsigned bypass_cache:1; | |
413 unsigned no_cache:1; | |
170
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164
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414 |
573 | 415 #if (NGX_HTTP_REALIP) |
416 | |
417 /* | |
418 * instead of using the request context data in ngx_http_realip_module | |
419 * we use the single bit in the request structure | |
420 */ | |
421 unsigned realip_set:1; | |
422 | |
423 #endif | |
424 | |
99
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425 #if 0 |
501 | 426 unsigned cachable:1; |
99
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427 #endif |
509 | 428 |
501 | 429 unsigned pipeline:1; |
430 unsigned plain_http:1; | |
431 unsigned chunked:1; | |
432 unsigned header_only:1; | |
433 unsigned keepalive:1; | |
434 unsigned lingering_close:1; | |
537 | 435 unsigned discard_body:1; |
509 | 436 unsigned internal:1; |
679 | 437 unsigned error_page:1; |
629 | 438 unsigned post_action:1; |
439 unsigned request_complete:1; | |
667 | 440 unsigned request_output:1; |
441 unsigned header_sent:1; | |
509 | 442 unsigned done:1; |
523 | 443 unsigned utf8:1; |
99
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|
444 |
513 | 445 unsigned main_filter_need_in_memory:1; |
501 | 446 unsigned filter_need_in_memory:1; |
447 unsigned filter_need_temporary:1; | |
581 | 448 unsigned allow_ranges:1; |
91
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nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
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449 |
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
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426
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450 #if (NGX_STAT_STUB) |
501 | 451 unsigned stat_reading:1; |
452 unsigned stat_writing:1; | |
427
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nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
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426
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453 #endif |
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
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454 |
657 | 455 unsigned subrequests:8; |
456 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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96
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457 /* used to parse HTTP headers */ |
501 | 458 ngx_uint_t state; |
459 u_char *uri_start; | |
460 u_char *uri_end; | |
461 u_char *uri_ext; | |
462 u_char *args_start; | |
463 u_char *request_start; | |
464 u_char *request_end; | |
465 u_char *method_end; | |
466 u_char *schema_start; | |
467 u_char *schema_end; | |
468 u_char *host_start; | |
469 u_char *host_end; | |
470 u_char *port_start; | |
471 u_char *port_end; | |
472 u_char *header_name_start; | |
473 u_char *header_name_end; | |
474 u_char *header_start; | |
475 u_char *header_end; | |
649 | 476 |
507 | 477 ngx_uint_t header_hash; |
649 | 478 ngx_uint_t lowcase_index; |
479 u_char lowcase_header[NGX_HTTP_LC_HEADER_LEN]; | |
91
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nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
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480 }; |
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nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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481 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
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482 |
569 | 483 extern ngx_http_header_t ngx_http_headers_in[]; |
484 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
Igor Sysoev <igor@sysoev.ru>
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162
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485 |
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nginx-0.0.1-2003-10-29-11:30:44 import
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486 |
91
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nginx-0.0.1-2003-05-19-20:39:14 import
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487 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |