Mercurial > hg > nginx
annotate src/http/ngx_http_request.h @ 649:1e720b0be7ec release-0.3.46
nginx-0.3.46-RELEASE import
*) Feature: the "proxy_hide_header", "proxy_pass_header",
"fastcgi_hide_header", and "fastcgi_pass_header" directives.
*) Change: the "proxy_pass_x_powered_by", "fastcgi_x_powered_by", and
"proxy_pass_server" directives were canceled.
*) Feature: the "X-Accel-Buffering" response header line is supported
in proxy mode.
*) Bugfix: the reconfiguration bug and memory leaks in the
ngx_http_perl_module.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 11 May 2006 14:43:47 +0000 |
parents | 95d7da23ea53 |
children | 39b7d7b33c91 |
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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9 |
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10 |
509 | 11 #define NGX_HTTP_MAX_REWRITE_CYCLES 10 |
12 | |
649 | 13 /* must be 2^n */ |
14 #define NGX_HTTP_LC_HEADER_LEN 32 | |
15 | |
509 | 16 |
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17 #define NGX_HTTP_DISCARD_BUFFER_SIZE 4096 |
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18 #define NGX_HTTP_LINGERING_BUFFER_SIZE 4096 |
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19 |
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21 #define NGX_HTTP_VERSION_9 9 |
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22 #define NGX_HTTP_VERSION_10 1000 |
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23 #define NGX_HTTP_VERSION_11 1001 |
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24 |
633 | 25 #define NGX_HTTP_UNKNOWN 0x0001 |
26 #define NGX_HTTP_GET 0x0002 | |
27 #define NGX_HTTP_HEAD 0x0004 | |
28 #define NGX_HTTP_POST 0x0008 | |
29 #define NGX_HTTP_PUT 0x0010 | |
30 #define NGX_HTTP_DELETE 0x0020 | |
637 | 31 #define NGX_HTTP_MKCOL 0x0040 |
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33 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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34 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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35 |
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37 #define NGX_NONE 1 |
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38 |
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40 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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42 #define NGX_HTTP_CLIENT_ERROR 10 |
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43 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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44 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 45 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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46 |
505 | 47 #define NGX_HTTP_PARSE_INVALID_HEADER 13 |
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48 |
573 | 49 #define NGX_HTTP_ZERO_IN_URI 1 |
50 | |
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52 #define NGX_HTTP_OK 200 |
633 | 53 #define NGX_HTTP_CREATED 201 |
511 | 54 #define NGX_HTTP_NO_CONTENT 204 |
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55 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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57 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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58 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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59 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
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60 #define NGX_HTTP_NOT_MODIFIED 304 |
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61 |
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62 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 63 #define NGX_HTTP_UNAUTHORIZED 401 |
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64 #define NGX_HTTP_FORBIDDEN 403 |
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65 #define NGX_HTTP_NOT_FOUND 404 |
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66 #define NGX_HTTP_NOT_ALLOWED 405 |
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67 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
637 | 68 #define NGX_HTTP_CONFLICT 409 |
581 | 69 #define NGX_HTTP_LENGTH_REQUIRED 411 |
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70 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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71 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
637 | 72 #define NGX_HTTP_UNSUPPORTED_MEDIA_TYPE 415 |
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73 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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74 |
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75 |
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76 /* Our own HTTP codes */ |
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77 |
587 | 78 /* The special code to close connection without any response */ |
79 #define NGX_HTTP_CLOSE 444 | |
80 | |
647 | 81 #define NGX_HTTP_OWN_CODES 495 |
82 | |
83 #define NGX_HTTPS_CERT_ERROR 495 | |
84 #define NGX_HTTPS_NO_CERT 496 | |
384
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85 |
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86 /* |
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87 * We use the special code for the plain HTTP requests that are sent to |
577 | 88 * HTTPS port to distinguish it from 4XX in an error page redirection |
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89 */ |
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90 #define NGX_HTTP_TO_HTTPS 497 |
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91 |
613 | 92 /* 498 is the canceled code for the requests with invalid host name */ |
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93 |
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94 /* |
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95 * HTTP does not define the code for the case when a client closed |
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96 * the connection while we are processing its request so we introduce |
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97 * own code to log such situation when a client has closed the connection |
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98 * before we even try to send the HTTP header to it |
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99 */ |
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100 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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101 |
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102 |
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103 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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104 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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105 #define NGX_HTTP_BAD_GATEWAY 502 |
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106 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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107 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
637 | 108 #define NGX_HTTP_INSUFFICIENT_STORAGE 507 |
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109 |
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110 |
597 | 111 #define NGX_HTTP_LOWLEVEL_BUFFERED 0x000000f0 |
112 #define NGX_HTTP_WRITE_BUFFERED 0x00000010 | |
113 #define NGX_HTTP_GZIP_BUFFERED 0x00000020 | |
114 #define NGX_HTTP_SSI_BUFFERED 0x00000100 | |
115 #define NGX_HTTP_COPY_BUFFERED 0x00000200 | |
116 | |
117 | |
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118 typedef enum { |
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119 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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120 NGX_HTTP_READING_REQUEST_STATE, |
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121 NGX_HTTP_PROCESS_REQUEST_STATE, |
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122 |
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123 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
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124 NGX_HTTP_WRITING_UPSTREAM_STATE, |
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125 NGX_HTTP_READING_UPSTREAM_STATE, |
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126 |
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127 NGX_HTTP_WRITING_REQUEST_STATE, |
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128 NGX_HTTP_LINGERING_CLOSE_STATE, |
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129 NGX_HTTP_KEEPALIVE_STATE |
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130 } ngx_http_state_e; |
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131 |
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132 |
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133 typedef struct { |
501 | 134 ngx_str_t name; |
135 ngx_uint_t offset; | |
509 | 136 ngx_http_header_handler_pt handler; |
91
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137 } ngx_http_header_t; |
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138 |
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139 |
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140 typedef struct { |
509 | 141 ngx_str_t name; |
142 ngx_uint_t offset; | |
569 | 143 } ngx_http_header_out_t; |
509 | 144 |
145 | |
146 typedef struct { | |
501 | 147 ngx_list_t headers; |
164
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148 |
501 | 149 ngx_table_elt_t *host; |
150 ngx_table_elt_t *connection; | |
151 ngx_table_elt_t *if_modified_since; | |
152 ngx_table_elt_t *user_agent; | |
153 ngx_table_elt_t *referer; | |
154 ngx_table_elt_t *content_length; | |
155 ngx_table_elt_t *content_type; | |
155
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156 |
501 | 157 ngx_table_elt_t *range; |
287
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158 |
581 | 159 ngx_table_elt_t *transfer_encoding; |
160 | |
287
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161 #if (NGX_HTTP_GZIP) |
501 | 162 ngx_table_elt_t *accept_encoding; |
163 ngx_table_elt_t *via; | |
287
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164 #endif |
99
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165 |
501 | 166 ngx_table_elt_t *authorization; |
172
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170
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167 |
501 | 168 ngx_table_elt_t *keep_alive; |
91
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169 |
573 | 170 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
501 | 171 ngx_table_elt_t *x_forwarded_for; |
287
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172 #endif |
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173 |
573 | 174 #if (NGX_HTTP_REALIP) |
175 ngx_table_elt_t *x_real_ip; | |
176 #endif | |
177 | |
489 | 178 #if (NGX_HTTP_HEADERS) |
501 | 179 ngx_table_elt_t *accept; |
180 ngx_table_elt_t *accept_language; | |
489 | 181 #endif |
182 | |
637 | 183 #if (NGX_HTTP_DAV) |
184 ngx_table_elt_t *depth; | |
185 ngx_table_elt_t *destination; | |
186 #endif | |
187 | |
503 | 188 ngx_str_t user; |
189 ngx_str_t passwd; | |
190 | |
501 | 191 ngx_array_t cookies; |
192 | |
193 size_t host_name_len; | |
194 ssize_t content_length_n; | |
195 time_t keep_alive_n; | |
408
d6e2b445c1b8
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396
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196 |
501 | 197 unsigned connection_type:2; |
198 unsigned msie:1; | |
199 unsigned msie4:1; | |
200 unsigned opera:1; | |
201 unsigned gecko:1; | |
202 unsigned konqueror:1; | |
91
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203 } ngx_http_headers_in_t; |
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204 |
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205 |
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206 typedef struct { |
501 | 207 off_t start; |
208 off_t end; | |
209 ngx_str_t content_range; | |
99
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210 } ngx_http_range_t; |
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211 |
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212 |
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96
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213 typedef struct { |
501 | 214 ngx_list_t headers; |
164
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215 |
501 | 216 ngx_uint_t status; |
217 ngx_str_t status_line; | |
91
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218 |
501 | 219 ngx_table_elt_t *server; |
220 ngx_table_elt_t *date; | |
221 ngx_table_elt_t *content_length; | |
222 ngx_table_elt_t *content_encoding; | |
223 ngx_table_elt_t *location; | |
224 ngx_table_elt_t *last_modified; | |
225 ngx_table_elt_t *content_range; | |
226 ngx_table_elt_t *accept_ranges; | |
503 | 227 ngx_table_elt_t *www_authenticate; |
501 | 228 ngx_table_elt_t *expires; |
229 ngx_table_elt_t *etag; | |
99
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230 |
509 | 231 ngx_str_t content_type; |
501 | 232 ngx_str_t charset; |
233 ngx_array_t ranges; | |
91
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234 |
509 | 235 ngx_array_t cache_control; |
236 | |
501 | 237 off_t content_length_n; |
238 time_t date_time; | |
239 time_t last_modified_time; | |
91
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240 } ngx_http_headers_out_t; |
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241 |
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242 |
479 | 243 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
244 | |
297
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245 typedef struct { |
479 | 246 ngx_temp_file_t *temp_file; |
247 ngx_chain_t *bufs; | |
248 ngx_buf_t *buf; | |
249 size_t rest; | |
633 | 250 ngx_chain_t *to_write; |
479 | 251 ngx_http_client_body_handler_pt post_handler; |
297
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252 } ngx_http_request_body_t; |
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253 |
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254 |
432
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parents:
429
diff
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255 typedef struct { |
501 | 256 ngx_http_request_t *request; |
433
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432
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257 |
501 | 258 ngx_buf_t **busy; |
259 ngx_int_t nbusy; | |
433
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432
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260 |
501 | 261 ngx_buf_t **free; |
262 ngx_int_t nfree; | |
433
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432
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263 |
501 | 264 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
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265 } ngx_http_connection_t; |
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266 |
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267 |
593 | 268 typedef struct { |
269 ngx_hash_t hash; | |
270 ngx_hash_wildcard_t *dns_wildcards; | |
271 } ngx_http_virtual_names_t; | |
272 | |
273 | |
569 | 274 typedef void (*ngx_http_cleanup_pt)(void *data); |
275 | |
276 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
277 | |
278 struct ngx_http_cleanup_s { | |
593 | 279 ngx_http_cleanup_pt handler; |
280 void *data; | |
281 ngx_http_cleanup_t *next; | |
569 | 282 }; |
283 | |
284 | |
509 | 285 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
286 | |
287 struct ngx_http_postponed_request_s { | |
535 | 288 ngx_http_request_t *request; |
289 ngx_chain_t *out; | |
290 ngx_http_postponed_request_t *next; | |
509 | 291 }; |
292 | |
293 | |
356
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346
diff
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294 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 295 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
296 | |
143
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parents:
141
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297 |
91
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298 struct ngx_http_request_s { |
501 | 299 uint32_t signature; /* "HTTP" */ |
367
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362
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300 |
501 | 301 ngx_connection_t *connection; |
91
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302 |
501 | 303 void **ctx; |
304 void **main_conf; | |
305 void **srv_conf; | |
306 void **loc_conf; | |
91
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307 |
509 | 308 ngx_http_event_handler_pt read_event_handler; |
309 ngx_http_event_handler_pt write_event_handler; | |
310 | |
501 | 311 ngx_http_cache_t *cache; |
197
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190
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312 |
501 | 313 ngx_http_upstream_t *upstream; |
479 | 314 |
501 | 315 ngx_pool_t *pool; |
316 ngx_buf_t *header_in; | |
91
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317 |
501 | 318 ngx_http_headers_in_t headers_in; |
319 ngx_http_headers_out_t headers_out; | |
91
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320 |
501 | 321 ngx_http_request_body_t *request_body; |
297
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322 |
501 | 323 time_t lingering_time; |
324 time_t start_time; | |
91
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325 |
501 | 326 ngx_uint_t method; |
327 ngx_uint_t http_version; | |
328 ngx_uint_t http_major; | |
329 ngx_uint_t http_minor; | |
577 | 330 |
501 | 331 ngx_str_t request_line; |
332 ngx_str_t uri; | |
333 ngx_str_t args; | |
334 ngx_str_t exten; | |
335 ngx_str_t unparsed_uri; | |
314
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313
diff
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336 |
501 | 337 ngx_str_t method_name; |
338 ngx_str_t http_protocol; | |
577 | 339 |
509 | 340 ngx_chain_t *out; |
501 | 341 ngx_http_request_t *main; |
509 | 342 ngx_http_request_t *parent; |
343 ngx_http_postponed_request_t *postponed; | |
91
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344 |
501 | 345 uint32_t in_addr; |
346 ngx_uint_t port; | |
347 ngx_str_t *port_text; /* ":80" */ | |
348 ngx_str_t server_name; | |
593 | 349 ngx_http_virtual_names_t *virtual_names; |
99
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96
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350 |
501 | 351 ngx_uint_t phase; |
352 ngx_int_t phase_handler; | |
353 ngx_http_handler_pt content_handler; | |
543 | 354 ngx_uint_t access_code; |
485 | 355 |
573 | 356 ngx_http_variable_value_t *variables; |
501 | 357 |
595 | 358 size_t root_length; |
359 | |
527 | 360 size_t limit_rate; |
361 | |
297
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362 /* used to learn the Apache compatible response length without a header */ |
501 | 363 size_t header_size; |
210
00cafae0bdf1
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201
diff
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364 |
501 | 365 size_t request_length; |
475 | 366 |
501 | 367 void **err_ctx; |
368 ngx_uint_t err_status; | |
91
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369 |
501 | 370 ngx_http_connection_t *http_connection; |
432
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parents:
429
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371 |
509 | 372 ngx_http_log_handler_pt log_handler; |
373 | |
569 | 374 ngx_http_cleanup_t *cleanup; |
375 | |
501 | 376 unsigned http_state:4; |
216
f1d0e5f09c1e
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parents:
210
diff
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|
377 |
452 | 378 /* URI with "/." and on Win32 with "//" */ |
501 | 379 unsigned complex_uri:1; |
485 | 380 |
452 | 381 /* URI with "%" */ |
501 | 382 unsigned quoted_uri:1; |
485 | 383 |
384 /* URI with "+" */ | |
501 | 385 unsigned plus_in_uri:1; |
485 | 386 |
489 | 387 /* URI with "\0" or "%00" */ |
501 | 388 unsigned zero_in_uri:1; |
489 | 389 |
511 | 390 unsigned invalid_header:1; |
391 | |
509 | 392 unsigned valid_location:1; |
505 | 393 unsigned valid_unparsed_uri:1; |
501 | 394 unsigned uri_changed:1; |
395 unsigned uri_changes:4; | |
485 | 396 |
633 | 397 unsigned request_body_in_single_buf:1; |
398 unsigned request_body_in_file_only:1; | |
399 unsigned request_body_in_persistent_file:1; | |
400 unsigned request_body_delete_incomplete_file:1; | |
401 unsigned request_body_file_group_access:1; | |
637 | 402 unsigned request_body_file_log_level:3; |
633 | 403 |
597 | 404 unsigned fast_subrequest:1; |
405 | |
501 | 406 unsigned header_timeout_set:1; |
91
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407 |
501 | 408 unsigned proxy:1; |
409 unsigned bypass_cache:1; | |
410 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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411 |
573 | 412 #if (NGX_HTTP_REALIP) |
413 | |
414 /* | |
415 * instead of using the request context data in ngx_http_realip_module | |
416 * we use the single bit in the request structure | |
417 */ | |
418 unsigned realip_set:1; | |
419 | |
420 #endif | |
421 | |
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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|
422 #if 0 |
501 | 423 unsigned cachable:1; |
99
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|
424 #endif |
509 | 425 |
501 | 426 unsigned pipeline:1; |
427 unsigned plain_http:1; | |
428 unsigned chunked:1; | |
429 unsigned header_only:1; | |
430 unsigned keepalive:1; | |
431 unsigned lingering_close:1; | |
537 | 432 unsigned discard_body:1; |
509 | 433 unsigned internal:1; |
629 | 434 unsigned post_action:1; |
435 unsigned request_complete:1; | |
509 | 436 unsigned done:1; |
523 | 437 unsigned utf8:1; |
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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438 |
513 | 439 unsigned main_filter_need_in_memory:1; |
501 | 440 unsigned filter_need_in_memory:1; |
441 unsigned filter_need_temporary:1; | |
581 | 442 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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443 |
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
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444 #if (NGX_STAT_STUB) |
501 | 445 unsigned stat_reading:1; |
446 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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447 #endif |
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
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448 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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449 /* used to parse HTTP headers */ |
501 | 450 ngx_uint_t state; |
451 u_char *uri_start; | |
452 u_char *uri_end; | |
453 u_char *uri_ext; | |
454 u_char *args_start; | |
455 u_char *request_start; | |
456 u_char *request_end; | |
457 u_char *method_end; | |
458 u_char *schema_start; | |
459 u_char *schema_end; | |
460 u_char *host_start; | |
461 u_char *host_end; | |
462 u_char *port_start; | |
463 u_char *port_end; | |
464 u_char *header_name_start; | |
465 u_char *header_name_end; | |
466 u_char *header_start; | |
467 u_char *header_end; | |
649 | 468 |
507 | 469 ngx_uint_t header_hash; |
649 | 470 ngx_uint_t lowcase_index; |
471 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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472 }; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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473 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
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474 |
569 | 475 extern ngx_http_header_t ngx_http_headers_in[]; |
476 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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477 |
84036764e215
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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478 |
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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479 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |