Mercurial > hg > nginx
annotate src/http/ngx_http_request.h @ 7142:b9d919b53593 stable-1.12
Stream: relaxed next upstream condition (ticket #1317).
When switching to a next upstream, some buffers could be stuck in the middle
of the filter chain. A condition existed that raised an error when this
happened. As it turned out, this condition prevented switching to a next
upstream if ssl preread was used with the TCP protocol (see the ticket).
In fact, the condition does not make sense for TCP, since after successful
connection to an upstream switching to another upstream never happens. As for
UDP, the issue with stuck buffers is unlikely to happen, but is still possible.
Specifically, if a filter delays sending data to upstream.
The condition can be relaxed to only check the "buffered" bitmask of the
upstream connection. The new condition is simpler and fixes the ticket issue
as well. Additionally, the upstream_out chain is now reset for UDP prior to
connecting to a new upstream to prevent repeating the client data twice.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Mon, 11 Sep 2017 15:32:31 +0300 |
parents | 3ef4cadfad7f |
children | be5cfa918bfc |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_HTTP_REQUEST_H_INCLUDED_ |
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9 #define _NGX_HTTP_REQUEST_H_INCLUDED_ |
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651 | 12 #define NGX_HTTP_MAX_URI_CHANGES 10 |
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13 #define NGX_HTTP_MAX_SUBREQUESTS 50 |
509 | 14 |
649 | 15 /* must be 2^n */ |
16 #define NGX_HTTP_LC_HEADER_LEN 32 | |
17 | |
509 | 18 |
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19 #define NGX_HTTP_DISCARD_BUFFER_SIZE 4096 |
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20 #define NGX_HTTP_LINGERING_BUFFER_SIZE 4096 |
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21 |
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23 #define NGX_HTTP_VERSION_9 9 |
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24 #define NGX_HTTP_VERSION_10 1000 |
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25 #define NGX_HTTP_VERSION_11 1001 |
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26 #define NGX_HTTP_VERSION_20 2000 |
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27 |
633 | 28 #define NGX_HTTP_UNKNOWN 0x0001 |
29 #define NGX_HTTP_GET 0x0002 | |
30 #define NGX_HTTP_HEAD 0x0004 | |
31 #define NGX_HTTP_POST 0x0008 | |
32 #define NGX_HTTP_PUT 0x0010 | |
33 #define NGX_HTTP_DELETE 0x0020 | |
637 | 34 #define NGX_HTTP_MKCOL 0x0040 |
844 | 35 #define NGX_HTTP_COPY 0x0080 |
36 #define NGX_HTTP_MOVE 0x0100 | |
37 #define NGX_HTTP_OPTIONS 0x0200 | |
38 #define NGX_HTTP_PROPFIND 0x0400 | |
39 #define NGX_HTTP_PROPPATCH 0x0800 | |
40 #define NGX_HTTP_LOCK 0x1000 | |
41 #define NGX_HTTP_UNLOCK 0x2000 | |
3613 | 42 #define NGX_HTTP_PATCH 0x4000 |
43 #define NGX_HTTP_TRACE 0x8000 | |
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45 #define NGX_HTTP_CONNECTION_CLOSE 1 |
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46 #define NGX_HTTP_CONNECTION_KEEP_ALIVE 2 |
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47 |
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49 #define NGX_NONE 1 |
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52 #define NGX_HTTP_PARSE_HEADER_DONE 1 |
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53 |
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54 #define NGX_HTTP_CLIENT_ERROR 10 |
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55 #define NGX_HTTP_PARSE_INVALID_METHOD 10 |
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56 #define NGX_HTTP_PARSE_INVALID_REQUEST 11 |
505 | 57 #define NGX_HTTP_PARSE_INVALID_09_METHOD 12 |
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58 |
505 | 59 #define NGX_HTTP_PARSE_INVALID_HEADER 13 |
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60 |
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3527 | 62 /* unused 1 */ |
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63 #define NGX_HTTP_SUBREQUEST_IN_MEMORY 2 |
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64 #define NGX_HTTP_SUBREQUEST_WAITED 4 |
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65 #define NGX_HTTP_SUBREQUEST_CLONE 8 |
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66 |
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67 #define NGX_HTTP_LOG_UNSAFE 1 |
573 | 68 |
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69 |
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70 #define NGX_HTTP_CONTINUE 100 |
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71 #define NGX_HTTP_SWITCHING_PROTOCOLS 101 |
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72 #define NGX_HTTP_PROCESSING 102 |
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73 |
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74 #define NGX_HTTP_OK 200 |
633 | 75 #define NGX_HTTP_CREATED 201 |
3604 | 76 #define NGX_HTTP_ACCEPTED 202 |
511 | 77 #define NGX_HTTP_NO_CONTENT 204 |
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78 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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79 |
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80 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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81 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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82 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
3631 | 83 #define NGX_HTTP_SEE_OTHER 303 |
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84 #define NGX_HTTP_NOT_MODIFIED 304 |
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85 #define NGX_HTTP_TEMPORARY_REDIRECT 307 |
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86 |
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87 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 88 #define NGX_HTTP_UNAUTHORIZED 401 |
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89 #define NGX_HTTP_FORBIDDEN 403 |
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90 #define NGX_HTTP_NOT_FOUND 404 |
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91 #define NGX_HTTP_NOT_ALLOWED 405 |
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92 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
637 | 93 #define NGX_HTTP_CONFLICT 409 |
581 | 94 #define NGX_HTTP_LENGTH_REQUIRED 411 |
1057 | 95 #define NGX_HTTP_PRECONDITION_FAILED 412 |
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96 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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97 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
637 | 98 #define NGX_HTTP_UNSUPPORTED_MEDIA_TYPE 415 |
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99 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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100 #define NGX_HTTP_MISDIRECTED_REQUEST 421 |
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101 #define NGX_HTTP_TOO_MANY_REQUESTS 429 |
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102 |
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103 |
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104 /* Our own HTTP codes */ |
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105 |
587 | 106 /* The special code to close connection without any response */ |
107 #define NGX_HTTP_CLOSE 444 | |
108 | |
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109 #define NGX_HTTP_NGINX_CODES 494 |
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110 |
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111 #define NGX_HTTP_REQUEST_HEADER_TOO_LARGE 494 |
647 | 112 |
113 #define NGX_HTTPS_CERT_ERROR 495 | |
114 #define NGX_HTTPS_NO_CERT 496 | |
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115 |
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116 /* |
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117 * We use the special code for the plain HTTP requests that are sent to |
577 | 118 * HTTPS port to distinguish it from 4XX in an error page redirection |
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119 */ |
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120 #define NGX_HTTP_TO_HTTPS 497 |
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121 |
613 | 122 /* 498 is the canceled code for the requests with invalid host name */ |
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123 |
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124 /* |
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125 * HTTP does not define the code for the case when a client closed |
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126 * the connection while we are processing its request so we introduce |
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127 * own code to log such situation when a client has closed the connection |
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128 * before we even try to send the HTTP header to it |
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129 */ |
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130 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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131 |
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132 |
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133 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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134 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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160
diff
changeset
|
135 #define NGX_HTTP_BAD_GATEWAY 502 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
136 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
137 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
637 | 138 #define NGX_HTTP_INSUFFICIENT_STORAGE 507 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
140 |
829
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
141 #define NGX_HTTP_LOWLEVEL_BUFFERED 0xf0 |
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
142 #define NGX_HTTP_WRITE_BUFFERED 0x10 |
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
143 #define NGX_HTTP_GZIP_BUFFERED 0x20 |
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
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parents:
777
diff
changeset
|
144 #define NGX_HTTP_SSI_BUFFERED 0x01 |
1172 | 145 #define NGX_HTTP_SUB_BUFFERED 0x02 |
146 #define NGX_HTTP_COPY_BUFFERED 0x04 | |
597 | 147 |
148 | |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
149 typedef enum { |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
150 NGX_HTTP_INITING_REQUEST_STATE = 0, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
151 NGX_HTTP_READING_REQUEST_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
152 NGX_HTTP_PROCESS_REQUEST_STATE, |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
154 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
155 NGX_HTTP_WRITING_UPSTREAM_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
156 NGX_HTTP_READING_UPSTREAM_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
157 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
158 NGX_HTTP_WRITING_REQUEST_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
159 NGX_HTTP_LINGERING_CLOSE_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
160 NGX_HTTP_KEEPALIVE_STATE |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
changeset
|
161 } ngx_http_state_e; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
162 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
163 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 typedef struct { |
501 | 165 ngx_str_t name; |
166 ngx_uint_t offset; | |
509 | 167 ngx_http_header_handler_pt handler; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
168 } ngx_http_header_t; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
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|
169 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
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|
170 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
171 typedef struct { |
509 | 172 ngx_str_t name; |
173 ngx_uint_t offset; | |
569 | 174 } ngx_http_header_out_t; |
509 | 175 |
176 | |
177 typedef struct { | |
501 | 178 ngx_list_t headers; |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
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parents:
162
diff
changeset
|
179 |
501 | 180 ngx_table_elt_t *host; |
181 ngx_table_elt_t *connection; | |
182 ngx_table_elt_t *if_modified_since; | |
3814
e6e453203bae
"If-Unmodified-Since" support
Igor Sysoev <igor@sysoev.ru>
parents:
3663
diff
changeset
|
183 ngx_table_elt_t *if_unmodified_since; |
4744
5b93a9ac60ed
Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4697
diff
changeset
|
184 ngx_table_elt_t *if_match; |
5b93a9ac60ed
Entity tags: basic support in not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4697
diff
changeset
|
185 ngx_table_elt_t *if_none_match; |
501 | 186 ngx_table_elt_t *user_agent; |
187 ngx_table_elt_t *referer; | |
188 ngx_table_elt_t *content_length; | |
6538
055cbb52ac1d
Dav: return 501 on PUT with ranges (ticket #948).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6496
diff
changeset
|
189 ngx_table_elt_t *content_range; |
501 | 190 ngx_table_elt_t *content_type; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
191 |
501 | 192 ngx_table_elt_t *range; |
1630 | 193 ngx_table_elt_t *if_range; |
287
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
232
diff
changeset
|
194 |
581 | 195 ngx_table_elt_t *transfer_encoding; |
2067 | 196 ngx_table_elt_t *expect; |
5072
7fa7e60a7f66
Proxy: support for connection upgrade (101 Switching Protocols).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4930
diff
changeset
|
197 ngx_table_elt_t *upgrade; |
581 | 198 |
287
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
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parents:
232
diff
changeset
|
199 #if (NGX_HTTP_GZIP) |
501 | 200 ngx_table_elt_t *accept_encoding; |
201 ngx_table_elt_t *via; | |
287
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
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parents:
232
diff
changeset
|
202 #endif |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
203 |
501 | 204 ngx_table_elt_t *authorization; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
205 |
501 | 206 ngx_table_elt_t *keep_alive; |
91
637625a2acdb
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parents:
diff
changeset
|
207 |
4697
09187f9b0950
Fixed compile-time conditionals used to detect if X-Forwarded-For support
Ruslan Ermilov <ru@nginx.com>
parents:
4501
diff
changeset
|
208 #if (NGX_HTTP_X_FORWARDED_FOR) |
5084
f7fe817c92a2
Correctly handle multiple X-Forwarded-For headers (ticket #106).
Ruslan Ermilov <ru@nginx.com>
parents:
5072
diff
changeset
|
209 ngx_array_t x_forwarded_for; |
287
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
232
diff
changeset
|
210 #endif |
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
232
diff
changeset
|
211 |
573 | 212 #if (NGX_HTTP_REALIP) |
213 ngx_table_elt_t *x_real_ip; | |
214 #endif | |
215 | |
489 | 216 #if (NGX_HTTP_HEADERS) |
501 | 217 ngx_table_elt_t *accept; |
218 ngx_table_elt_t *accept_language; | |
489 | 219 #endif |
220 | |
637 | 221 #if (NGX_HTTP_DAV) |
222 ngx_table_elt_t *depth; | |
223 ngx_table_elt_t *destination; | |
1059 | 224 ngx_table_elt_t *overwrite; |
681 | 225 ngx_table_elt_t *date; |
637 | 226 #endif |
227 | |
503 | 228 ngx_str_t user; |
229 ngx_str_t passwd; | |
230 | |
501 | 231 ngx_array_t cookies; |
232 | |
2007
b9de93d804ea
*) host in request line has priority
Igor Sysoev <igor@sysoev.ru>
parents:
1856
diff
changeset
|
233 ngx_str_t server; |
663 | 234 off_t content_length_n; |
501 | 235 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
|
236 |
501 | 237 unsigned connection_type:2; |
4930
6f085bfcdb4d
Request body: chunked transfer encoding support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4744
diff
changeset
|
238 unsigned chunked:1; |
501 | 239 unsigned msie:1; |
2205 | 240 unsigned msie6:1; |
501 | 241 unsigned opera:1; |
242 unsigned gecko:1; | |
3315 | 243 unsigned chrome:1; |
3419
fcd72b8d69f3
disable keepalive for Safari:
Igor Sysoev <igor@sysoev.ru>
parents:
3325
diff
changeset
|
244 unsigned safari:1; |
501 | 245 unsigned konqueror:1; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 } ngx_http_headers_in_t; |
637625a2acdb
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parents:
diff
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|
247 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
248 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 typedef struct { |
501 | 250 ngx_list_t headers; |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
162
diff
changeset
|
251 |
501 | 252 ngx_uint_t status; |
253 ngx_str_t status_line; | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
254 |
501 | 255 ngx_table_elt_t *server; |
256 ngx_table_elt_t *date; | |
257 ngx_table_elt_t *content_length; | |
258 ngx_table_elt_t *content_encoding; | |
259 ngx_table_elt_t *location; | |
1654 | 260 ngx_table_elt_t *refresh; |
501 | 261 ngx_table_elt_t *last_modified; |
262 ngx_table_elt_t *content_range; | |
263 ngx_table_elt_t *accept_ranges; | |
503 | 264 ngx_table_elt_t *www_authenticate; |
501 | 265 ngx_table_elt_t *expires; |
266 ngx_table_elt_t *etag; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
267 |
657 | 268 ngx_str_t *override_charset; |
269 | |
270 size_t content_type_len; | |
509 | 271 ngx_str_t content_type; |
501 | 272 ngx_str_t charset; |
2138 | 273 u_char *content_type_lowcase; |
274 ngx_uint_t content_type_hash; | |
657 | 275 |
509 | 276 ngx_array_t cache_control; |
277 | |
501 | 278 off_t content_length_n; |
6317 | 279 off_t content_offset; |
501 | 280 time_t date_time; |
281 time_t last_modified_time; | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
282 } ngx_http_headers_out_t; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
283 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
284 |
479 | 285 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
286 | |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
296
diff
changeset
|
287 typedef struct { |
479 | 288 ngx_temp_file_t *temp_file; |
289 ngx_chain_t *bufs; | |
290 ngx_buf_t *buf; | |
663 | 291 off_t rest; |
6496
887cca40ba6a
HTTP/2: rewritten handling of request body.
Valentin Bartenev <vbart@nginx.com>
parents:
6317
diff
changeset
|
292 off_t received; |
4930
6f085bfcdb4d
Request body: chunked transfer encoding support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4744
diff
changeset
|
293 ngx_chain_t *free; |
6f085bfcdb4d
Request body: chunked transfer encoding support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4744
diff
changeset
|
294 ngx_chain_t *busy; |
6f085bfcdb4d
Request body: chunked transfer encoding support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4744
diff
changeset
|
295 ngx_http_chunked_t *chunked; |
479 | 296 ngx_http_client_body_handler_pt post_handler; |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
296
diff
changeset
|
297 } ngx_http_request_body_t; |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
296
diff
changeset
|
298 |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
296
diff
changeset
|
299 |
5085
7f1cbcc71327
The default server lookup is now done only once per connection.
Valentin Bartenev <vbart@nginx.com>
parents:
5084
diff
changeset
|
300 typedef struct ngx_http_addr_conf_s ngx_http_addr_conf_t; |
7f1cbcc71327
The default server lookup is now done only once per connection.
Valentin Bartenev <vbart@nginx.com>
parents:
5084
diff
changeset
|
301 |
432
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
changeset
|
302 typedef struct { |
5085
7f1cbcc71327
The default server lookup is now done only once per connection.
Valentin Bartenev <vbart@nginx.com>
parents:
5084
diff
changeset
|
303 ngx_http_addr_conf_t *addr_conf; |
5089
903f2a5d86a5
SNI: reuse selected configuration for all requests in a connection.
Valentin Bartenev <vbart@nginx.com>
parents:
5086
diff
changeset
|
304 ngx_http_conf_ctx_t *conf_ctx; |
5085
7f1cbcc71327
The default server lookup is now done only once per connection.
Valentin Bartenev <vbart@nginx.com>
parents:
5084
diff
changeset
|
305 |
6735
e38e9c50a40e
Modules compatibility: compatibility with NGX_HTTP_SSL.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6718
diff
changeset
|
306 #if (NGX_HTTP_SSL || NGX_COMPAT) |
5093
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
307 ngx_str_t *ssl_servername; |
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
308 #if (NGX_PCRE) |
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
309 ngx_http_regex_t *ssl_servername_regex; |
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
310 #endif |
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
311 #endif |
68ca3e824115
SNI: avoid surplus lookup of virtual server if SNI was used.
Valentin Bartenev <vbart@nginx.com>
parents:
5091
diff
changeset
|
312 |
6926
e662cbf1b932
Converted hc->busy/hc->free to use chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6906
diff
changeset
|
313 ngx_chain_t *busy; |
501 | 314 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
|
315 |
6926
e662cbf1b932
Converted hc->busy/hc->free to use chain links.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6906
diff
changeset
|
316 ngx_chain_t *free; |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
changeset
|
317 |
5605
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
parents:
5254
diff
changeset
|
318 unsigned ssl:1; |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
parents:
5254
diff
changeset
|
319 unsigned proxy_protocol:1; |
432
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
changeset
|
320 } ngx_http_connection_t; |
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
changeset
|
321 |
11362a3e3911
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322 |
569 | 323 typedef void (*ngx_http_cleanup_pt)(void *data); |
324 | |
325 typedef struct ngx_http_cleanup_s ngx_http_cleanup_t; | |
326 | |
327 struct ngx_http_cleanup_s { | |
593 | 328 ngx_http_cleanup_pt handler; |
329 void *data; | |
330 ngx_http_cleanup_t *next; | |
569 | 331 }; |
332 | |
333 | |
777
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334 typedef ngx_int_t (*ngx_http_post_subrequest_pt)(ngx_http_request_t *r, |
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335 void *data, ngx_int_t rc); |
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336 |
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337 typedef struct { |
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338 ngx_http_post_subrequest_pt handler; |
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339 void *data; |
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340 } ngx_http_post_subrequest_t; |
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341 |
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342 |
509 | 343 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
344 | |
345 struct ngx_http_postponed_request_s { | |
535 | 346 ngx_http_request_t *request; |
347 ngx_chain_t *out; | |
348 ngx_http_postponed_request_t *next; | |
509 | 349 }; |
350 | |
351 | |
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352 typedef struct ngx_http_posted_request_s ngx_http_posted_request_t; |
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353 |
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354 struct ngx_http_posted_request_s { |
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355 ngx_http_request_t *request; |
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356 ngx_http_posted_request_t *next; |
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357 }; |
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358 |
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359 |
356
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346
diff
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360 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 361 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
362 | |
143
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141
diff
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363 |
91
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|
364 struct ngx_http_request_s { |
501 | 365 uint32_t signature; /* "HTTP" */ |
367
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parents:
362
diff
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366 |
501 | 367 ngx_connection_t *connection; |
91
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368 |
501 | 369 void **ctx; |
370 void **main_conf; | |
371 void **srv_conf; | |
372 void **loc_conf; | |
91
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373 |
509 | 374 ngx_http_event_handler_pt read_event_handler; |
375 ngx_http_event_handler_pt write_event_handler; | |
376 | |
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377 #if (NGX_HTTP_CACHE) |
501 | 378 ngx_http_cache_t *cache; |
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379 #endif |
197
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190
diff
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380 |
501 | 381 ngx_http_upstream_t *upstream; |
1168
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382 ngx_array_t *upstream_states; |
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383 /* of ngx_http_upstream_state_t */ |
479 | 384 |
501 | 385 ngx_pool_t *pool; |
386 ngx_buf_t *header_in; | |
91
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parents:
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387 |
501 | 388 ngx_http_headers_in_t headers_in; |
389 ngx_http_headers_out_t headers_out; | |
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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390 |
501 | 391 ngx_http_request_body_t *request_body; |
297
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296
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392 |
501 | 393 time_t lingering_time; |
1179
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$request_time has millisecond precision
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394 time_t start_sec; |
6e2216ad2c87
$request_time has millisecond precision
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1172
diff
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|
395 ngx_msec_t start_msec; |
91
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396 |
501 | 397 ngx_uint_t method; |
398 ngx_uint_t http_version; | |
577 | 399 |
501 | 400 ngx_str_t request_line; |
401 ngx_str_t uri; | |
402 ngx_str_t args; | |
403 ngx_str_t exten; | |
404 ngx_str_t unparsed_uri; | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
313
diff
changeset
|
405 |
501 | 406 ngx_str_t method_name; |
407 ngx_str_t http_protocol; | |
577 | 408 |
509 | 409 ngx_chain_t *out; |
501 | 410 ngx_http_request_t *main; |
509 | 411 ngx_http_request_t *parent; |
412 ngx_http_postponed_request_t *postponed; | |
777
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|
413 ngx_http_post_subrequest_t *post_subrequest; |
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|
414 ngx_http_posted_request_t *posted_requests; |
91
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parents:
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415 |
501 | 416 ngx_int_t phase_handler; |
417 ngx_http_handler_pt content_handler; | |
543 | 418 ngx_uint_t access_code; |
485 | 419 |
573 | 420 ngx_http_variable_value_t *variables; |
501 | 421 |
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422 #if (NGX_PCRE) |
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423 ngx_uint_t ncaptures; |
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424 int *captures; |
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|
425 u_char *captures_data; |
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426 #endif |
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diff
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|
427 |
527 | 428 size_t limit_rate; |
5201
06fbbde04098
Added r->limit_rate_after.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5200
diff
changeset
|
429 size_t limit_rate_after; |
527 | 430 |
297
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parents:
296
diff
changeset
|
431 /* used to learn the Apache compatible response length without a header */ |
501 | 432 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
changeset
|
433 |
663 | 434 off_t request_length; |
475 | 435 |
501 | 436 ngx_uint_t err_status; |
91
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parents:
diff
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|
437 |
501 | 438 ngx_http_connection_t *http_connection; |
6246
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
6239
diff
changeset
|
439 ngx_http_v2_stream_t *stream; |
432
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parents:
429
diff
changeset
|
440 |
509 | 441 ngx_http_log_handler_pt log_handler; |
442 | |
569 | 443 ngx_http_cleanup_t *cleanup; |
444 | |
6238
8c6e71722aff
Added protection against r->main->count overflow by subrequests.
Valentin Bartenev <vbart@nginx.com>
parents:
6129
diff
changeset
|
445 unsigned count:16; |
3052
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FreeBSD and Linux AIO support
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diff
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|
446 unsigned subrequests:8; |
6060225e9261
FreeBSD and Linux AIO support
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parents:
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diff
changeset
|
447 unsigned blocked:8; |
6060225e9261
FreeBSD and Linux AIO support
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parents:
3049
diff
changeset
|
448 |
6060225e9261
FreeBSD and Linux AIO support
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changeset
|
449 unsigned aio:1; |
6060225e9261
FreeBSD and Linux AIO support
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diff
changeset
|
450 |
501 | 451 unsigned http_state:4; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
210
diff
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|
452 |
452 | 453 /* URI with "/." and on Win32 with "//" */ |
501 | 454 unsigned complex_uri:1; |
485 | 455 |
452 | 456 /* URI with "%" */ |
501 | 457 unsigned quoted_uri:1; |
485 | 458 |
459 /* URI with "+" */ | |
501 | 460 unsigned plus_in_uri:1; |
485 | 461 |
3615 | 462 /* URI with " " */ |
463 unsigned space_in_uri:1; | |
464 | |
511 | 465 unsigned invalid_header:1; |
466 | |
3534
3711bb1336c3
fix a try_files/alias case when alias uses captures and
Igor Sysoev <igor@sysoev.ru>
parents:
3527
diff
changeset
|
467 unsigned add_uri_to_alias:1; |
509 | 468 unsigned valid_location:1; |
505 | 469 unsigned valid_unparsed_uri:1; |
501 | 470 unsigned uri_changed:1; |
471 unsigned uri_changes:4; | |
485 | 472 |
633 | 473 unsigned request_body_in_single_buf:1; |
474 unsigned request_body_in_file_only:1; | |
475 unsigned request_body_in_persistent_file:1; | |
1075
4d203f76b757
undo "client_body_in_file_only any"
Igor Sysoev <igor@sysoev.ru>
parents:
1059
diff
changeset
|
476 unsigned request_body_in_clean_file:1; |
633 | 477 unsigned request_body_file_group_access:1; |
637 | 478 unsigned request_body_file_log_level:3; |
6050
a08fad30aeac
Request body: unbuffered reading.
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parents:
6002
diff
changeset
|
479 unsigned request_body_no_buffering:1; |
633 | 480 |
777
4ab852b691f5
<!--#include virtual=... set=... -->
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diff
changeset
|
481 unsigned subrequest_in_memory:1; |
2377
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*) refactor subrequest handling, now they run as separate posted requests
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diff
changeset
|
482 unsigned waited:1; |
597 | 483 |
2592
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484 #if (NGX_HTTP_CACHE) |
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parents:
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diff
changeset
|
485 unsigned cached:1; |
6906
1aeaae6e9446
Upstream: proxy_cache_background_update and friends.
Roman Arutyunyan <arut@nginx.com>
parents:
6735
diff
changeset
|
486 unsigned cache_updater:1; |
2592
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diff
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|
487 #endif |
3313 | 488 |
489 #if (NGX_HTTP_GZIP) | |
490 unsigned gzip_tested:1; | |
491 unsigned gzip_ok:1; | |
492 unsigned gzip_vary:1; | |
493 #endif | |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1654
diff
changeset
|
494 |
501 | 495 unsigned proxy:1; |
496 unsigned bypass_cache:1; | |
497 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
changeset
|
498 |
984
dd128232e6ba
count connection once per request
Igor Sysoev <igor@sysoev.ru>
parents:
963
diff
changeset
|
499 /* |
2294 | 500 * instead of using the request context data in |
4457
50f463258eea
Fixed module name in comment. It was forgotten in r4281.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
501 * ngx_http_limit_conn_module and ngx_http_limit_req_module |
2294 | 502 * we use the single bits in the request structure |
984
dd128232e6ba
count connection once per request
Igor Sysoev <igor@sysoev.ru>
parents:
963
diff
changeset
|
503 */ |
4280
91874133fb27
Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module.
Valentin Bartenev <vbart@nginx.com>
parents:
3978
diff
changeset
|
504 unsigned limit_conn_set:1; |
2294 | 505 unsigned limit_req_set:1; |
984
dd128232e6ba
count connection once per request
Igor Sysoev <igor@sysoev.ru>
parents:
963
diff
changeset
|
506 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
507 #if 0 |
1565 | 508 unsigned cacheable:1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
509 #endif |
509 | 510 |
501 | 511 unsigned pipeline:1; |
512 unsigned chunked:1; | |
513 unsigned header_only:1; | |
514 unsigned keepalive:1; | |
515 unsigned lingering_close:1; | |
537 | 516 unsigned discard_body:1; |
6050
a08fad30aeac
Request body: unbuffered reading.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6002
diff
changeset
|
517 unsigned reading_body:1; |
509 | 518 unsigned internal:1; |
679 | 519 unsigned error_page:1; |
2819
43fe53832da7
handle big responses for "size" and "test" image_filters
Igor Sysoev <igor@sysoev.ru>
parents:
2689
diff
changeset
|
520 unsigned filter_finalize:1; |
629 | 521 unsigned post_action:1; |
522 unsigned request_complete:1; | |
667 | 523 unsigned request_output:1; |
524 unsigned header_sent:1; | |
2067 | 525 unsigned expect_tested:1; |
2087
c8039b26a949
always test root existence for access_log with variables
Igor Sysoev <igor@sysoev.ru>
parents:
2067
diff
changeset
|
526 unsigned root_tested:1; |
509 | 527 unsigned done:1; |
2265 | 528 unsigned logged:1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
529 |
829
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
530 unsigned buffered:4; |
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
Igor Sysoev <igor@sysoev.ru>
parents:
777
diff
changeset
|
531 |
513 | 532 unsigned main_filter_need_in_memory:1; |
501 | 533 unsigned filter_need_in_memory:1; |
534 unsigned filter_need_temporary:1; | |
581 | 535 unsigned allow_ranges:1; |
6317 | 536 unsigned subrequest_ranges:1; |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5605
diff
changeset
|
537 unsigned single_range:1; |
5735
5fb1e57c758a
Entity tags: explicit flag to skip not modified filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5702
diff
changeset
|
538 unsigned disable_not_modified:1; |
501 | 539 unsigned stat_reading:1; |
540 unsigned stat_writing:1; | |
6711
90a03b1dc4db
Modules compatibility: status fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6710
diff
changeset
|
541 unsigned stat_processing:1; |
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
426
diff
changeset
|
542 |
6710
3ab8736958cb
Modules compatibility: health check fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6698
diff
changeset
|
543 unsigned health_check:1; |
3ab8736958cb
Modules compatibility: health check fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6698
diff
changeset
|
544 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
545 /* used to parse HTTP headers */ |
772
843412b22ba2
compact r->http_minor and r->http_major
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546 |
501 | 547 ngx_uint_t state; |
3064 | 548 |
549 ngx_uint_t header_hash; | |
550 ngx_uint_t lowcase_index; | |
551 u_char lowcase_header[NGX_HTTP_LC_HEADER_LEN]; | |
552 | |
553 u_char *header_name_start; | |
554 u_char *header_name_end; | |
555 u_char *header_start; | |
556 u_char *header_end; | |
557 | |
558 /* | |
559 * a memory that can be reused after parsing a request line | |
560 * via ngx_http_ephemeral_t | |
561 */ | |
562 | |
501 | 563 u_char *uri_start; |
564 u_char *uri_end; | |
565 u_char *uri_ext; | |
566 u_char *args_start; | |
567 u_char *request_start; | |
568 u_char *request_end; | |
569 u_char *method_end; | |
570 u_char *schema_start; | |
571 u_char *schema_end; | |
572 u_char *host_start; | |
573 u_char *host_end; | |
574 u_char *port_start; | |
575 u_char *port_end; | |
649 | 576 |
772
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577 unsigned http_minor:16; |
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578 unsigned http_major:16; |
3064 | 579 }; |
772
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580 |
3064 | 581 |
582 typedef struct { | |
583 ngx_http_posted_request_t terminal_posted_request; | |
584 } ngx_http_ephemeral_t; | |
91
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585 |
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586 |
6002
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Style: moved ngx_http_ephemeral() macro to ngx_http_request.h.
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587 #define ngx_http_ephemeral(r) (void *) (&r->uri_start) |
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588 |
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589 |
569 | 590 extern ngx_http_header_t ngx_http_headers_in[]; |
591 extern ngx_http_header_out_t ngx_http_headers_out[]; | |
164
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592 |
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593 |
5928
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594 #define ngx_http_set_log_request(log, r) \ |
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595 ((ngx_http_log_ctx_t *) log->data)->current_request = r |
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596 |
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597 |
91
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598 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |