Mercurial > hg > nginx
annotate src/http/ngx_http_request.h @ 587:284cc140593b release-0.3.15
nginx-0.3.15-RELEASE import
*) Feature: the new 444 code of the "return" directive to close
connection.
*) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.
*) Bugfix: if there are unclosed connection nginx now calls abort()
only on gracefull quit and active "debug_points" directive.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 07 Dec 2005 14:51:31 +0000 |
parents | 326634fb9d47 |
children | 425af804d968 |
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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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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22 #define NGX_HTTP_GET 1 |
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23 #define NGX_HTTP_HEAD 2 |
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24 #define NGX_HTTP_POST 3 |
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26 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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27 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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28 |
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30 #define NGX_NONE 1 |
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31 |
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32 |
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33 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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34 |
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35 #define NGX_HTTP_CLIENT_ERROR 10 |
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36 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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37 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 38 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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39 |
505 | 40 #define NGX_HTTP_PARSE_HEADER_ERROR 13 |
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 | |
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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 |
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80 /* |
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81 * We use the special code for the requests with invalid host name |
577 | 82 * to distinguish it from 4XX in an error page redirection |
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83 */ |
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84 #define NGX_HTTP_INVALID_HOST 498 |
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85 |
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86 /* |
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87 * HTTP does not define the code for the case when a client closed |
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88 * the connection while we are processing its request so we introduce |
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89 * own code to log such situation when a client has closed the connection |
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90 * before we even try to send the HTTP header to it |
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91 */ |
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92 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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93 |
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94 |
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95 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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96 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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97 #define NGX_HTTP_BAD_GATEWAY 502 |
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98 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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99 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
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100 |
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101 |
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102 typedef enum { |
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103 NGX_HTTP_RESTRICT_HOST_OFF = 0, |
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104 NGX_HTTP_RESTRICT_HOST_ON, |
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105 NGX_HTTP_RESTRICT_HOST_CLOSE |
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106 } ngx_http_restrict_host_e; |
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107 |
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108 |
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109 typedef enum { |
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110 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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111 NGX_HTTP_READING_REQUEST_STATE, |
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112 NGX_HTTP_PROCESS_REQUEST_STATE, |
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113 |
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114 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
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115 NGX_HTTP_WRITING_UPSTREAM_STATE, |
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parents:
210
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116 NGX_HTTP_READING_UPSTREAM_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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117 |
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parents:
210
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118 NGX_HTTP_WRITING_REQUEST_STATE, |
f1d0e5f09c1e
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parents:
210
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119 NGX_HTTP_LINGERING_CLOSE_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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120 NGX_HTTP_KEEPALIVE_STATE |
f1d0e5f09c1e
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121 } ngx_http_state_e; |
91
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122 |
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parents:
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123 |
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124 typedef struct { |
501 | 125 ngx_str_t name; |
126 ngx_uint_t offset; | |
509 | 127 ngx_http_header_handler_pt handler; |
91
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128 } ngx_http_header_t; |
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129 |
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130 |
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131 typedef struct { |
509 | 132 ngx_str_t name; |
133 ngx_uint_t offset; | |
569 | 134 } ngx_http_header_out_t; |
509 | 135 |
136 | |
137 typedef struct { | |
501 | 138 ngx_list_t headers; |
164
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parents:
162
diff
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139 |
501 | 140 ngx_table_elt_t *host; |
141 ngx_table_elt_t *connection; | |
142 ngx_table_elt_t *if_modified_since; | |
143 ngx_table_elt_t *user_agent; | |
144 ngx_table_elt_t *referer; | |
145 ngx_table_elt_t *content_length; | |
146 ngx_table_elt_t *content_type; | |
155
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154
diff
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147 |
501 | 148 ngx_table_elt_t *range; |
287
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232
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149 |
581 | 150 ngx_table_elt_t *transfer_encoding; |
151 | |
287
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232
diff
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152 #if (NGX_HTTP_GZIP) |
501 | 153 ngx_table_elt_t *accept_encoding; |
154 ngx_table_elt_t *via; | |
287
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232
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155 #endif |
99
a059e1aa65d4
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parents:
96
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156 |
501 | 157 ngx_table_elt_t *authorization; |
172
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170
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158 |
501 | 159 ngx_table_elt_t *keep_alive; |
91
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160 |
573 | 161 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) |
501 | 162 ngx_table_elt_t *x_forwarded_for; |
287
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232
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163 #endif |
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164 |
573 | 165 #if (NGX_HTTP_REALIP) |
166 ngx_table_elt_t *x_real_ip; | |
167 #endif | |
168 | |
489 | 169 #if (NGX_HTTP_HEADERS) |
501 | 170 ngx_table_elt_t *accept; |
171 ngx_table_elt_t *accept_language; | |
489 | 172 #endif |
173 | |
503 | 174 ngx_str_t user; |
175 ngx_str_t passwd; | |
176 | |
501 | 177 ngx_array_t cookies; |
178 | |
179 size_t host_name_len; | |
180 ssize_t content_length_n; | |
181 time_t keep_alive_n; | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
182 |
501 | 183 unsigned connection_type:2; |
184 unsigned msie:1; | |
185 unsigned msie4:1; | |
186 unsigned opera:1; | |
187 unsigned gecko:1; | |
188 unsigned konqueror:1; | |
91
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189 } ngx_http_headers_in_t; |
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parents:
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190 |
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parents:
diff
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191 |
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192 typedef struct { |
501 | 193 off_t start; |
194 off_t end; | |
195 ngx_str_t content_range; | |
99
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parents:
96
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196 } ngx_http_range_t; |
a059e1aa65d4
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parents:
96
diff
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|
197 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
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|
198 |
a059e1aa65d4
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parents:
96
diff
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|
199 typedef struct { |
501 | 200 ngx_list_t headers; |
164
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parents:
162
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201 |
501 | 202 ngx_uint_t status; |
203 ngx_str_t status_line; | |
91
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204 |
501 | 205 ngx_table_elt_t *server; |
206 ngx_table_elt_t *date; | |
207 ngx_table_elt_t *content_length; | |
208 ngx_table_elt_t *content_encoding; | |
209 ngx_table_elt_t *location; | |
210 ngx_table_elt_t *last_modified; | |
211 ngx_table_elt_t *content_range; | |
212 ngx_table_elt_t *accept_ranges; | |
503 | 213 ngx_table_elt_t *www_authenticate; |
501 | 214 ngx_table_elt_t *expires; |
215 ngx_table_elt_t *etag; | |
99
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parents:
96
diff
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216 |
509 | 217 ngx_str_t content_type; |
501 | 218 ngx_str_t charset; |
219 ngx_array_t ranges; | |
91
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220 |
509 | 221 ngx_array_t cache_control; |
222 | |
501 | 223 off_t content_length_n; |
224 time_t date_time; | |
225 time_t last_modified_time; | |
91
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226 } ngx_http_headers_out_t; |
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227 |
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228 |
479 | 229 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
230 | |
297
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parents:
296
diff
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|
231 typedef struct { |
479 | 232 ngx_temp_file_t *temp_file; |
233 ngx_chain_t *bufs; | |
234 ngx_buf_t *buf; | |
235 size_t rest; | |
236 ngx_http_client_body_handler_pt post_handler; | |
297
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296
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237 } ngx_http_request_body_t; |
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238 |
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296
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239 |
432
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
changeset
|
240 typedef struct { |
501 | 241 ngx_http_request_t *request; |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
changeset
|
242 |
501 | 243 ngx_buf_t **busy; |
244 ngx_int_t nbusy; | |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
changeset
|
245 |
501 | 246 ngx_buf_t **free; |
247 ngx_int_t nfree; | |
433
9a97dcdd2421
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Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
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|
248 |
501 | 249 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
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parents:
429
diff
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250 } ngx_http_connection_t; |
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parents:
429
diff
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251 |
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429
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252 |
569 | 253 typedef void (*ngx_http_cleanup_pt)(void *data); |
254 | |
255 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
256 | |
257 struct ngx_http_cleanup_s { | |
258 ngx_http_cleanup_pt handler; | |
259 void *data; | |
260 ngx_http_cleanup_t *next; | |
261 }; | |
262 | |
263 | |
509 | 264 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
265 | |
266 struct ngx_http_postponed_request_s { | |
535 | 267 ngx_http_request_t *request; |
268 ngx_chain_t *out; | |
269 ngx_http_postponed_request_t *next; | |
509 | 270 }; |
271 | |
272 | |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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parents:
346
diff
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|
273 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 274 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
275 | |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
141
diff
changeset
|
276 |
91
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277 struct ngx_http_request_s { |
501 | 278 uint32_t signature; /* "HTTP" */ |
367
ceec87d1c2b3
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Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
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|
279 |
501 | 280 ngx_connection_t *connection; |
91
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281 |
501 | 282 void **ctx; |
283 void **main_conf; | |
284 void **srv_conf; | |
285 void **loc_conf; | |
91
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286 |
509 | 287 ngx_http_event_handler_pt read_event_handler; |
288 ngx_http_event_handler_pt write_event_handler; | |
289 | |
501 | 290 ngx_http_cache_t *cache; |
197
0b81c7a0b133
nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
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|
291 |
501 | 292 ngx_http_upstream_t *upstream; |
479 | 293 |
501 | 294 ngx_pool_t *pool; |
295 ngx_buf_t *header_in; | |
91
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296 |
501 | 297 ngx_http_headers_in_t headers_in; |
298 ngx_http_headers_out_t headers_out; | |
91
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299 |
501 | 300 ngx_http_request_body_t *request_body; |
297
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296
diff
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|
301 |
501 | 302 time_t lingering_time; |
303 time_t start_time; | |
91
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parents:
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|
304 |
501 | 305 ngx_uint_t method; |
306 ngx_uint_t http_version; | |
307 ngx_uint_t http_major; | |
308 ngx_uint_t http_minor; | |
577 | 309 |
501 | 310 ngx_str_t request_line; |
311 ngx_str_t uri; | |
312 ngx_str_t args; | |
313 ngx_str_t exten; | |
314 ngx_str_t unparsed_uri; | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
313
diff
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|
315 |
501 | 316 ngx_str_t method_name; |
317 ngx_str_t http_protocol; | |
577 | 318 |
509 | 319 ngx_chain_t *out; |
501 | 320 ngx_http_request_t *main; |
509 | 321 ngx_http_request_t *parent; |
322 ngx_http_postponed_request_t *postponed; | |
91
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parents:
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|
323 |
501 | 324 uint32_t in_addr; |
325 ngx_uint_t port; | |
326 ngx_str_t *port_text; /* ":80" */ | |
327 ngx_str_t server_name; | |
328 ngx_http_in_addr_t *virtual_names; | |
99
a059e1aa65d4
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parents:
96
diff
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|
329 |
501 | 330 ngx_uint_t phase; |
331 ngx_int_t phase_handler; | |
332 ngx_http_handler_pt content_handler; | |
543 | 333 ngx_uint_t access_code; |
485 | 334 |
573 | 335 ngx_http_variable_value_t *variables; |
501 | 336 |
527 | 337 size_t limit_rate; |
338 | |
297
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parents:
296
diff
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|
339 /* used to learn the Apache compatible response length without a header */ |
501 | 340 size_t header_size; |
210
00cafae0bdf1
nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
201
diff
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|
341 |
501 | 342 size_t request_length; |
475 | 343 |
501 | 344 void **err_ctx; |
345 ngx_uint_t err_status; | |
91
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parents:
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|
346 |
501 | 347 ngx_http_connection_t *http_connection; |
432
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
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|
348 |
509 | 349 ngx_http_log_handler_pt log_handler; |
350 | |
569 | 351 ngx_http_cleanup_t *cleanup; |
352 | |
501 | 353 unsigned http_state:4; |
216
f1d0e5f09c1e
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parents:
210
diff
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|
354 |
452 | 355 /* URI with "/." and on Win32 with "//" */ |
501 | 356 unsigned complex_uri:1; |
485 | 357 |
452 | 358 /* URI with "%" */ |
501 | 359 unsigned quoted_uri:1; |
485 | 360 |
361 /* URI with "+" */ | |
501 | 362 unsigned plus_in_uri:1; |
485 | 363 |
489 | 364 /* URI with "\0" or "%00" */ |
501 | 365 unsigned zero_in_uri:1; |
489 | 366 |
511 | 367 unsigned invalid_header:1; |
368 | |
509 | 369 unsigned valid_location:1; |
505 | 370 unsigned valid_unparsed_uri:1; |
501 | 371 unsigned uri_changed:1; |
372 unsigned uri_changes:4; | |
485 | 373 |
501 | 374 unsigned low_case_exten:1; |
375 unsigned header_timeout_set:1; | |
91
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nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
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|
376 |
501 | 377 unsigned proxy:1; |
378 unsigned bypass_cache:1; | |
379 unsigned no_cache:1; | |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
380 |
573 | 381 #if (NGX_HTTP_REALIP) |
382 | |
383 /* | |
384 * instead of using the request context data in ngx_http_realip_module | |
385 * we use the single bit in the request structure | |
386 */ | |
387 unsigned realip_set:1; | |
388 | |
389 #endif | |
390 | |
99
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391 #if 0 |
501 | 392 unsigned cachable:1; |
99
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393 #endif |
509 | 394 |
501 | 395 unsigned pipeline:1; |
396 unsigned plain_http:1; | |
397 unsigned chunked:1; | |
398 unsigned header_only:1; | |
399 unsigned keepalive:1; | |
400 unsigned lingering_close:1; | |
537 | 401 unsigned discard_body:1; |
509 | 402 unsigned internal:1; |
403 unsigned done:1; | |
523 | 404 unsigned utf8:1; |
99
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405 |
513 | 406 unsigned main_filter_need_in_memory:1; |
501 | 407 unsigned filter_need_in_memory:1; |
408 unsigned filter_need_temporary:1; | |
581 | 409 unsigned allow_ranges:1; |
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410 |
427
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411 #if (NGX_STAT_STUB) |
501 | 412 unsigned stat_reading:1; |
413 unsigned stat_writing:1; | |
427
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414 #endif |
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415 |
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416 /* used to parse HTTP headers */ |
501 | 417 ngx_uint_t state; |
418 u_char *uri_start; | |
419 u_char *uri_end; | |
420 u_char *uri_ext; | |
421 u_char *args_start; | |
422 u_char *request_start; | |
423 u_char *request_end; | |
424 u_char *method_end; | |
425 u_char *schema_start; | |
426 u_char *schema_end; | |
427 u_char *host_start; | |
428 u_char *host_end; | |
429 u_char *port_start; | |
430 u_char *port_end; | |
431 u_char *header_name_start; | |
432 u_char *header_name_end; | |
433 u_char *header_start; | |
434 u_char *header_end; | |
507 | 435 ngx_uint_t header_hash; |
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436 }; |
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437 |
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438 |
569 | 439 extern ngx_http_header_t ngx_http_headers_in[]; |
440 extern ngx_http_header_out_t ngx_http_headers_out[]; | |
164
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441 |
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442 |
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443 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |