Mercurial > hg > nginx-vendor-0-8
comparison src/http/ngx_http_request.h @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | cc9f381affaa |
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-1:000000000000 | 0:f0b350454894 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #ifndef _NGX_HTTP_REQUEST_H_INCLUDED_ | |
8 #define _NGX_HTTP_REQUEST_H_INCLUDED_ | |
9 | |
10 | |
11 #define NGX_HTTP_DISCARD_BUFFER_SIZE 4096 | |
12 #define NGX_HTTP_LINGERING_BUFFER_SIZE 4096 | |
13 | |
14 | |
15 #define NGX_HTTP_VERSION_9 9 | |
16 #define NGX_HTTP_VERSION_10 1000 | |
17 #define NGX_HTTP_VERSION_11 1001 | |
18 | |
19 #define NGX_HTTP_GET 1 | |
20 #define NGX_HTTP_HEAD 2 | |
21 #define NGX_HTTP_POST 3 | |
22 | |
23 #define NGX_HTTP_CONNECTION_CLOSE 1 | |
24 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 | |
25 | |
26 | |
27 #define NGX_NONE 1 | |
28 | |
29 | |
30 #define NGX_HTTP_PARSE_HEADER_DONE 1 | |
31 | |
32 #define NGX_HTTP_CLIENT_ERROR 10 | |
33 #define NGX_HTTP_PARSE_INVALID_METHOD 10 | |
34 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 | |
35 #define NGX_HTTP_PARSE_TOO_LONG_URI 12 | |
36 #define NGX_HTTP_PARSE_INVALID_09_METHOD 13 | |
37 | |
38 #define NGX_HTTP_PARSE_HEADER_ERROR 14 | |
39 #define NGX_HTTP_PARSE_INVALID_HEADER 14 | |
40 #define NGX_HTTP_PARSE_TOO_LONG_HEADER 15 | |
41 #define NGX_HTTP_PARSE_NO_HOST_HEADER 17 | |
42 #define NGX_HTTP_PARSE_INVALID_CL_HEADER 18 | |
43 #define NGX_HTTP_PARSE_POST_WO_CL_HEADER 19 | |
44 #define NGX_HTTP_PARSE_HTTP_TO_HTTPS 20 | |
45 #define NGX_HTTP_PARSE_INVALID_HOST 21 | |
46 | |
47 | |
48 #define NGX_HTTP_OK 200 | |
49 #define NGX_HTTP_PARTIAL_CONTENT 206 | |
50 | |
51 #define NGX_HTTP_SPECIAL_RESPONSE 300 | |
52 #define NGX_HTTP_MOVED_PERMANENTLY 301 | |
53 #define NGX_HTTP_MOVED_TEMPORARILY 302 | |
54 #define NGX_HTTP_NOT_MODIFIED 304 | |
55 | |
56 #define NGX_HTTP_BAD_REQUEST 400 | |
57 #define NGX_HTTP_FORBIDDEN 403 | |
58 #define NGX_HTTP_NOT_FOUND 404 | |
59 #define NGX_HTTP_NOT_ALLOWED 405 | |
60 #define NGX_HTTP_REQUEST_TIME_OUT 408 | |
61 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 | |
62 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 | |
63 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 | |
64 | |
65 | |
66 /* Our own HTTP codes */ | |
67 | |
68 #define NGX_HTTP_NGX_CODES NGX_HTTP_TO_HTTPS | |
69 | |
70 /* | |
71 * We use the special code for the plain HTTP requests that are sent to | |
72 * HTTPS port to distinguish it from 4XX in an error page redirection | |
73 */ | |
74 #define NGX_HTTP_TO_HTTPS 497 | |
75 | |
76 /* | |
77 * We use the special code for the requests with invalid host name | |
78 * to distinguish it from 4XX in an error page redirection | |
79 */ | |
80 #define NGX_HTTP_INVALID_HOST 498 | |
81 | |
82 /* | |
83 * HTTP does not define the code for the case when a client closed | |
84 * the connection while we are processing its request so we introduce | |
85 * own code to log such situation when a client has closed the connection | |
86 * before we even try to send the HTTP header to it | |
87 */ | |
88 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 | |
89 | |
90 | |
91 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 | |
92 #define NGX_HTTP_NOT_IMPLEMENTED 501 | |
93 #define NGX_HTTP_BAD_GATEWAY 502 | |
94 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 | |
95 #define NGX_HTTP_GATEWAY_TIME_OUT 504 | |
96 | |
97 | |
98 typedef enum { | |
99 NGX_HTTP_RESTRICT_HOST_OFF = 0, | |
100 NGX_HTTP_RESTRICT_HOST_ON, | |
101 NGX_HTTP_RESTRICT_HOST_CLOSE | |
102 } ngx_http_restrict_host_e; | |
103 | |
104 | |
105 typedef enum { | |
106 NGX_HTTP_INITING_REQUEST_STATE = 0, | |
107 NGX_HTTP_READING_REQUEST_STATE, | |
108 NGX_HTTP_PROCESS_REQUEST_STATE, | |
109 | |
110 NGX_HTTP_CONNECT_UPSTREAM_STATE, | |
111 NGX_HTTP_WRITING_UPSTREAM_STATE, | |
112 NGX_HTTP_READING_UPSTREAM_STATE, | |
113 | |
114 NGX_HTTP_WRITING_REQUEST_STATE, | |
115 NGX_HTTP_LINGERING_CLOSE_STATE, | |
116 NGX_HTTP_KEEPALIVE_STATE | |
117 } ngx_http_state_e; | |
118 | |
119 | |
120 typedef struct { | |
121 ngx_str_t name; | |
122 ngx_uint_t offset; | |
123 } ngx_http_header_t; | |
124 | |
125 | |
126 typedef struct { | |
127 ngx_list_t headers; | |
128 | |
129 ngx_table_elt_t *host; | |
130 ngx_table_elt_t *connection; | |
131 ngx_table_elt_t *if_modified_since; | |
132 ngx_table_elt_t *user_agent; | |
133 ngx_table_elt_t *referer; | |
134 ngx_table_elt_t *content_length; | |
135 | |
136 ngx_table_elt_t *range; | |
137 | |
138 #if (NGX_HTTP_GZIP) | |
139 ngx_table_elt_t *accept_encoding; | |
140 ngx_table_elt_t *via; | |
141 #endif | |
142 | |
143 ngx_table_elt_t *authorization; | |
144 | |
145 ngx_table_elt_t *keep_alive; | |
146 | |
147 #if (NGX_HTTP_PROXY) | |
148 ngx_table_elt_t *x_forwarded_for; | |
149 #endif | |
150 | |
151 ngx_array_t cookies; | |
152 | |
153 size_t host_name_len; | |
154 ssize_t content_length_n; | |
155 size_t connection_type; | |
156 ssize_t keep_alive_n; | |
157 | |
158 unsigned msie:1; | |
159 unsigned msie4:1; | |
160 unsigned opera:1; | |
161 unsigned gecko:1; | |
162 unsigned konqueror:1; | |
163 } ngx_http_headers_in_t; | |
164 | |
165 | |
166 typedef struct { | |
167 off_t start; | |
168 off_t end; | |
169 ngx_str_t content_range; | |
170 } ngx_http_range_t; | |
171 | |
172 | |
173 typedef struct { | |
174 ngx_list_t headers; | |
175 | |
176 ngx_uint_t status; | |
177 ngx_str_t status_line; | |
178 | |
179 ngx_table_elt_t *server; | |
180 ngx_table_elt_t *date; | |
181 ngx_table_elt_t *content_type; | |
182 ngx_table_elt_t *content_length; | |
183 ngx_table_elt_t *content_encoding; | |
184 ngx_table_elt_t *location; | |
185 ngx_table_elt_t *last_modified; | |
186 ngx_table_elt_t *content_range; | |
187 ngx_table_elt_t *accept_ranges; | |
188 ngx_table_elt_t *expires; | |
189 ngx_table_elt_t *cache_control; | |
190 ngx_table_elt_t *etag; | |
191 | |
192 ngx_str_t charset; | |
193 ngx_array_t ranges; | |
194 | |
195 off_t content_length_n; | |
196 time_t date_time; | |
197 time_t last_modified_time; | |
198 } ngx_http_headers_out_t; | |
199 | |
200 | |
201 typedef struct { | |
202 ngx_temp_file_t *temp_file; | |
203 ngx_chain_t *bufs; | |
204 ngx_buf_t *buf; | |
205 size_t rest; | |
206 void (*handler) (void *data); | |
207 void *data; | |
208 } ngx_http_request_body_t; | |
209 | |
210 | |
211 struct ngx_http_cleanup_s { | |
212 union { | |
213 struct { | |
214 ngx_fd_t fd; | |
215 u_char *name; | |
216 } file; | |
217 | |
218 struct { | |
219 ngx_http_cache_hash_t *hash; | |
220 ngx_http_cache_t *cache; | |
221 } cache; | |
222 } data; | |
223 | |
224 unsigned valid:1; | |
225 unsigned cache:1; | |
226 }; | |
227 | |
228 | |
229 typedef struct { | |
230 ngx_http_request_t *request; | |
231 | |
232 ngx_buf_t **busy; | |
233 ngx_int_t nbusy; | |
234 | |
235 ngx_buf_t **free; | |
236 ngx_int_t nfree; | |
237 | |
238 ngx_uint_t pipeline; /* unsigned pipeline:1; */ | |
239 } ngx_http_connection_t; | |
240 | |
241 | |
242 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); | |
243 | |
244 struct ngx_http_request_s { | |
245 uint32_t signature; /* "HTTP" */ | |
246 | |
247 ngx_connection_t *connection; | |
248 | |
249 void **ctx; | |
250 void **main_conf; | |
251 void **srv_conf; | |
252 void **loc_conf; | |
253 | |
254 ngx_http_cache_t *cache; | |
255 | |
256 ngx_file_t file; | |
257 | |
258 ngx_pool_t *pool; | |
259 ngx_buf_t *header_in; | |
260 | |
261 ngx_http_headers_in_t headers_in; | |
262 ngx_http_headers_out_t headers_out; | |
263 | |
264 ngx_http_request_body_t *request_body; | |
265 | |
266 time_t lingering_time; | |
267 | |
268 ngx_uint_t method; | |
269 ngx_uint_t http_version; | |
270 ngx_uint_t http_major; | |
271 ngx_uint_t http_minor; | |
272 | |
273 ngx_str_t request_line; | |
274 ngx_str_t uri; | |
275 ngx_str_t args; | |
276 ngx_str_t exten; | |
277 ngx_str_t unparsed_uri; | |
278 | |
279 ngx_str_t method_name; | |
280 | |
281 ngx_http_request_t *main; | |
282 | |
283 uint32_t in_addr; | |
284 ngx_uint_t port; | |
285 ngx_str_t *port_text; /* ":80" */ | |
286 ngx_str_t *server_name; | |
287 ngx_array_t *virtual_names; | |
288 | |
289 ngx_uint_t phase; | |
290 ngx_int_t phase_handler; | |
291 ngx_http_handler_pt content_handler; | |
292 | |
293 ngx_array_t cleanup; | |
294 | |
295 /* used to learn the Apache compatible response length without a header */ | |
296 size_t header_size; | |
297 | |
298 u_char *discarded_buffer; | |
299 void **err_ctx; | |
300 ngx_uint_t err_status; | |
301 | |
302 ngx_http_connection_t *http_connection; | |
303 | |
304 unsigned http_state:4; | |
305 | |
306 #if 0 | |
307 /* URI is not started with '/' - "GET http://" */ | |
308 unsigned unusual_uri:1; | |
309 #endif | |
310 /* URI with "/.", "%" and on Win32 with "//" */ | |
311 unsigned complex_uri:1; | |
312 unsigned header_timeout_set:1; | |
313 | |
314 unsigned proxy:1; | |
315 unsigned bypass_cache:1; | |
316 unsigned no_cache:1; | |
317 | |
318 #if 0 | |
319 unsigned cachable:1; | |
320 #endif | |
321 unsigned pipeline:1; | |
322 | |
323 /* can we use sendfile ? */ | |
324 unsigned sendfile:1; | |
325 | |
326 unsigned plain_http:1; | |
327 unsigned chunked:1; | |
328 unsigned header_only:1; | |
329 unsigned keepalive:1; | |
330 unsigned lingering_close:1; | |
331 unsigned closed:1; | |
332 | |
333 unsigned filter_need_in_memory:1; | |
334 unsigned filter_ssi_need_in_memory:1; | |
335 unsigned filter_need_temporary:1; | |
336 unsigned filter_allow_ranges:1; | |
337 | |
338 #if (NGX_STAT_STUB) | |
339 unsigned stat_reading:1; | |
340 unsigned stat_writing:1; | |
341 #endif | |
342 | |
343 ngx_uint_t headers_n; | |
344 | |
345 /* used to parse HTTP headers */ | |
346 ngx_uint_t state; | |
347 u_char *uri_start; | |
348 u_char *uri_end; | |
349 u_char *uri_ext; | |
350 u_char *args_start; | |
351 u_char *request_start; | |
352 u_char *request_end; | |
353 u_char *method_end; | |
354 u_char *schema_start; | |
355 u_char *schema_end; | |
356 u_char *host_start; | |
357 u_char *host_end; | |
358 u_char *port_start; | |
359 u_char *port_end; | |
360 u_char *header_name_start; | |
361 u_char *header_name_end; | |
362 u_char *header_start; | |
363 u_char *header_end; | |
364 }; | |
365 | |
366 | |
367 extern ngx_http_header_t ngx_http_headers_in[]; | |
368 extern ngx_http_header_t ngx_http_headers_out[]; | |
369 | |
370 | |
371 | |
372 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |