Mercurial > hg > nginx
annotate src/http/ngx_http_request.h @ 511:c12967aadd87 release-0.1.30
nginx-0.1.30-RELEASE import
*) Bugfix: the worker process may got caught in an endless loop if the
SSI was used.
*) Bugfix: the response encrypted by SSL may not transferred complete.
*) Bugfix: if the length of the response part received at once from
proxied or FastCGI server was equal to 500, then nginx returns the
500 response code; in proxy mode the the bug had appeared in 0.1.29
only.
*) Bugfix: nginx did not consider the directives with 8 or 9 parameters
as invalid.
*) Feature: the "return" directive can return the 204 response code.
*) Feature: the "ignore_invalid_headers" directive.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sat, 14 May 2005 18:42:03 +0000 |
parents | 9b8c906f6e63 |
children | fbbf16224844 |
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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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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25 |
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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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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 |
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44 #define NGX_HTTP_OK 200 |
511 | 45 #define NGX_HTTP_NO_CONTENT 204 |
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46 #define NGX_HTTP_PARTIAL_CONTENT 206 |
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47 |
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48 #define NGX_HTTP_SPECIAL_RESPONSE 300 |
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49 #define NGX_HTTP_MOVED_PERMANENTLY 301 |
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50 #define NGX_HTTP_MOVED_TEMPORARILY 302 |
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51 #define NGX_HTTP_NOT_MODIFIED 304 |
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52 |
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53 #define NGX_HTTP_BAD_REQUEST 400 |
503 | 54 #define NGX_HTTP_UNAUTHORIZED 401 |
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55 #define NGX_HTTP_FORBIDDEN 403 |
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56 #define NGX_HTTP_NOT_FOUND 404 |
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57 #define NGX_HTTP_NOT_ALLOWED 405 |
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58 #define NGX_HTTP_REQUEST_TIME_OUT 408 |
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59 #define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413 |
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60 #define NGX_HTTP_REQUEST_URI_TOO_LARGE 414 |
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61 #define NGX_HTTP_RANGE_NOT_SATISFIABLE 416 |
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63 |
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64 /* Our own HTTP codes */ |
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65 |
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66 #define NGX_HTTP_NGX_CODES NGX_HTTP_TO_HTTPS |
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67 |
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68 /* |
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69 * We use the special code for the plain HTTP requests that are sent to |
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70 * HTTPS port to distinguish it from 4XX in an error page redirection |
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71 */ |
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72 #define NGX_HTTP_TO_HTTPS 497 |
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73 |
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74 /* |
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75 * We use the special code for the requests with invalid host name |
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76 * to distinguish it from 4XX in an error page redirection |
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77 */ |
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78 #define NGX_HTTP_INVALID_HOST 498 |
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79 |
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80 /* |
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81 * HTTP does not define the code for the case when a client closed |
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82 * the connection while we are processing its request so we introduce |
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83 * own code to log such situation when a client has closed the connection |
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84 * before we even try to send the HTTP header to it |
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85 */ |
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86 #define NGX_HTTP_CLIENT_CLOSED_REQUEST 499 |
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87 |
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88 |
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89 #define NGX_HTTP_INTERNAL_SERVER_ERROR 500 |
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90 #define NGX_HTTP_NOT_IMPLEMENTED 501 |
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91 #define NGX_HTTP_BAD_GATEWAY 502 |
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92 #define NGX_HTTP_SERVICE_UNAVAILABLE 503 |
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93 #define NGX_HTTP_GATEWAY_TIME_OUT 504 |
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94 |
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95 |
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96 typedef enum { |
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97 NGX_HTTP_RESTRICT_HOST_OFF = 0, |
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98 NGX_HTTP_RESTRICT_HOST_ON, |
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99 NGX_HTTP_RESTRICT_HOST_CLOSE |
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100 } ngx_http_restrict_host_e; |
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101 |
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102 |
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103 typedef enum { |
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104 NGX_HTTP_INITING_REQUEST_STATE = 0, |
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105 NGX_HTTP_READING_REQUEST_STATE, |
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106 NGX_HTTP_PROCESS_REQUEST_STATE, |
91
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parents:
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107 |
216
f1d0e5f09c1e
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parents:
210
diff
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|
108 NGX_HTTP_CONNECT_UPSTREAM_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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|
109 NGX_HTTP_WRITING_UPSTREAM_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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|
110 NGX_HTTP_READING_UPSTREAM_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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111 |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
210
diff
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|
112 NGX_HTTP_WRITING_REQUEST_STATE, |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
210
diff
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113 NGX_HTTP_LINGERING_CLOSE_STATE, |
f1d0e5f09c1e
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parents:
210
diff
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114 NGX_HTTP_KEEPALIVE_STATE |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
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parents:
210
diff
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115 } ngx_http_state_e; |
91
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parents:
diff
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116 |
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parents:
diff
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117 |
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parents:
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118 typedef struct { |
501 | 119 ngx_str_t name; |
120 ngx_uint_t offset; | |
509 | 121 ngx_http_header_handler_pt handler; |
91
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parents:
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122 } ngx_http_header_t; |
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parents:
diff
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123 |
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parents:
diff
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124 |
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parents:
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125 typedef struct { |
509 | 126 ngx_str_t name; |
127 ngx_uint_t offset; | |
128 } ngx_http_header0_t; | |
129 | |
130 | |
131 typedef struct { | |
501 | 132 ngx_list_t headers; |
164
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parents:
162
diff
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133 |
501 | 134 ngx_table_elt_t *host; |
135 ngx_table_elt_t *connection; | |
136 ngx_table_elt_t *if_modified_since; | |
137 ngx_table_elt_t *user_agent; | |
138 ngx_table_elt_t *referer; | |
139 ngx_table_elt_t *content_length; | |
140 ngx_table_elt_t *content_type; | |
155
46eb23d9471d
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parents:
154
diff
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141 |
501 | 142 ngx_table_elt_t *range; |
287
35a6a9df2d25
nginx-0.0.2-2004-03-12-19:57:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
232
diff
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|
143 |
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parents:
232
diff
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144 #if (NGX_HTTP_GZIP) |
501 | 145 ngx_table_elt_t *accept_encoding; |
146 ngx_table_elt_t *via; | |
287
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parents:
232
diff
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147 #endif |
99
a059e1aa65d4
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parents:
96
diff
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148 |
501 | 149 ngx_table_elt_t *authorization; |
172
caa57ddf6d77
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parents:
170
diff
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|
150 |
501 | 151 ngx_table_elt_t *keep_alive; |
91
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parents:
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152 |
287
35a6a9df2d25
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parents:
232
diff
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|
153 #if (NGX_HTTP_PROXY) |
501 | 154 ngx_table_elt_t *x_forwarded_for; |
155 ngx_table_elt_t *x_real_ip; | |
156 ngx_table_elt_t *x_url; | |
287
35a6a9df2d25
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parents:
232
diff
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|
157 #endif |
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parents:
232
diff
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158 |
489 | 159 #if (NGX_HTTP_HEADERS) |
501 | 160 ngx_table_elt_t *accept; |
161 ngx_table_elt_t *accept_language; | |
489 | 162 #endif |
163 | |
503 | 164 ngx_str_t user; |
165 ngx_str_t passwd; | |
166 | |
501 | 167 ngx_array_t cookies; |
168 | |
169 size_t host_name_len; | |
170 ssize_t content_length_n; | |
171 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
|
172 |
501 | 173 unsigned connection_type:2; |
174 unsigned msie:1; | |
175 unsigned msie4:1; | |
176 unsigned opera:1; | |
177 unsigned gecko:1; | |
178 unsigned konqueror:1; | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
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179 } ngx_http_headers_in_t; |
637625a2acdb
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parents:
diff
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|
180 |
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parents:
diff
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181 |
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parents:
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|
182 typedef struct { |
501 | 183 off_t start; |
184 off_t end; | |
185 ngx_str_t content_range; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
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|
186 } ngx_http_range_t; |
a059e1aa65d4
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parents:
96
diff
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|
187 |
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
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|
188 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
189 typedef struct { |
501 | 190 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
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|
191 |
501 | 192 ngx_uint_t status; |
193 ngx_str_t status_line; | |
91
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parents:
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|
194 |
501 | 195 ngx_table_elt_t *server; |
196 ngx_table_elt_t *date; | |
197 ngx_table_elt_t *content_length; | |
198 ngx_table_elt_t *content_encoding; | |
199 ngx_table_elt_t *location; | |
200 ngx_table_elt_t *last_modified; | |
201 ngx_table_elt_t *content_range; | |
202 ngx_table_elt_t *accept_ranges; | |
503 | 203 ngx_table_elt_t *www_authenticate; |
501 | 204 ngx_table_elt_t *expires; |
205 ngx_table_elt_t *etag; | |
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
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|
206 |
509 | 207 ngx_str_t content_type; |
501 | 208 ngx_str_t charset; |
209 ngx_array_t ranges; | |
91
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parents:
diff
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|
210 |
509 | 211 ngx_array_t cache_control; |
212 | |
501 | 213 off_t content_length_n; |
214 time_t date_time; | |
215 time_t last_modified_time; | |
91
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
216 } ngx_http_headers_out_t; |
637625a2acdb
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parents:
diff
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|
217 |
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218 |
479 | 219 typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r); |
220 | |
297
ee394e997c77
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parents:
296
diff
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|
221 typedef struct { |
479 | 222 ngx_temp_file_t *temp_file; |
223 ngx_chain_t *bufs; | |
224 ngx_buf_t *buf; | |
225 size_t rest; | |
226 ngx_http_client_body_handler_pt post_handler; | |
297
ee394e997c77
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parents:
296
diff
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|
227 } ngx_http_request_body_t; |
ee394e997c77
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parents:
296
diff
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228 |
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parents:
296
diff
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229 |
432
11362a3e3911
nginx-0.0.11-2004-09-21-09:38:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
changeset
|
230 typedef struct { |
501 | 231 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
|
232 |
501 | 233 ngx_buf_t **busy; |
234 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
|
235 |
501 | 236 ngx_buf_t **free; |
237 ngx_int_t nfree; | |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
432
diff
changeset
|
238 |
501 | 239 ngx_uint_t pipeline; /* unsigned pipeline:1; */ |
432
11362a3e3911
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Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
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|
240 } ngx_http_connection_t; |
11362a3e3911
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Igor Sysoev <igor@sysoev.ru>
parents:
429
diff
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|
241 |
11362a3e3911
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parents:
429
diff
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|
242 |
509 | 243 typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t; |
244 | |
245 struct ngx_http_postponed_request_s { | |
246 ngx_http_request_t *request; | |
247 ngx_chain_t *out; | |
248 ngx_http_postponed_request_t *next; | |
249 }; | |
250 | |
251 | |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
252 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r); |
509 | 253 typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r); |
254 | |
143
5526213be452
nginx-0.0.1-2003-10-10-19:10:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
141
diff
changeset
|
255 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 struct ngx_http_request_s { |
501 | 257 uint32_t signature; /* "HTTP" */ |
367
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
258 |
501 | 259 ngx_connection_t *connection; |
91
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parents:
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|
260 |
501 | 261 void **ctx; |
262 void **main_conf; | |
263 void **srv_conf; | |
264 void **loc_conf; | |
91
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parents:
diff
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|
265 |
509 | 266 ngx_http_event_handler_pt read_event_handler; |
267 ngx_http_event_handler_pt write_event_handler; | |
268 | |
501 | 269 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
changeset
|
270 |
501 | 271 ngx_http_upstream_t *upstream; |
479 | 272 |
501 | 273 ngx_pool_t *pool; |
274 ngx_buf_t *header_in; | |
91
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parents:
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|
275 |
501 | 276 ngx_http_headers_in_t headers_in; |
277 ngx_http_headers_out_t headers_out; | |
91
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parents:
diff
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|
278 |
501 | 279 ngx_http_request_body_t *request_body; |
297
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parents:
296
diff
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|
280 |
501 | 281 time_t lingering_time; |
282 time_t start_time; | |
91
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parents:
diff
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|
283 |
501 | 284 ngx_uint_t method; |
285 ngx_uint_t http_version; | |
286 ngx_uint_t http_major; | |
287 ngx_uint_t http_minor; | |
288 | |
289 ngx_str_t request_line; | |
290 ngx_str_t uri; | |
291 ngx_str_t args; | |
292 ngx_str_t exten; | |
293 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
changeset
|
294 |
501 | 295 ngx_str_t method_name; |
296 ngx_str_t http_protocol; | |
297 | |
509 | 298 ngx_chain_t *out; |
501 | 299 ngx_http_request_t *main; |
509 | 300 ngx_http_request_t *parent; |
301 ngx_http_postponed_request_t *postponed; | |
91
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parents:
diff
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|
302 |
501 | 303 uint32_t in_addr; |
304 ngx_uint_t port; | |
305 ngx_str_t *port_text; /* ":80" */ | |
306 ngx_str_t server_name; | |
307 ngx_http_in_addr_t *virtual_names; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
308 |
501 | 309 ngx_uint_t phase; |
310 ngx_int_t phase_handler; | |
311 ngx_http_handler_pt content_handler; | |
485 | 312 |
501 | 313 ngx_http_variable_value_t **variables; |
314 | |
297
ee394e997c77
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parents:
296
diff
changeset
|
315 /* used to learn the Apache compatible response length without a header */ |
501 | 316 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
|
317 |
501 | 318 size_t request_length; |
475 | 319 |
501 | 320 void **err_ctx; |
321 ngx_uint_t err_status; | |
91
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parents:
diff
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|
322 |
501 | 323 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
changeset
|
324 |
509 | 325 ngx_http_log_handler_pt log_handler; |
326 | |
501 | 327 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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|
328 |
452 | 329 /* URI with "/." and on Win32 with "//" */ |
501 | 330 unsigned complex_uri:1; |
485 | 331 |
452 | 332 /* URI with "%" */ |
501 | 333 unsigned quoted_uri:1; |
485 | 334 |
335 /* URI with "+" */ | |
501 | 336 unsigned plus_in_uri:1; |
485 | 337 |
489 | 338 /* URI with "\0" or "%00" */ |
501 | 339 unsigned zero_in_uri:1; |
489 | 340 |
511 | 341 unsigned invalid_header:1; |
342 | |
509 | 343 unsigned valid_location:1; |
505 | 344 unsigned valid_unparsed_uri:1; |
501 | 345 unsigned uri_changed:1; |
346 unsigned uri_changes:4; | |
485 | 347 |
501 | 348 unsigned low_case_exten:1; |
349 unsigned header_timeout_set:1; | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
diff
changeset
|
350 |
501 | 351 unsigned proxy:1; |
352 unsigned bypass_cache:1; | |
353 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
|
354 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
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355 #if 0 |
501 | 356 unsigned cachable:1; |
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357 #endif |
509 | 358 |
501 | 359 unsigned pipeline:1; |
360 unsigned plain_http:1; | |
361 unsigned chunked:1; | |
362 unsigned header_only:1; | |
363 unsigned keepalive:1; | |
364 unsigned lingering_close:1; | |
509 | 365 unsigned internal:1; |
501 | 366 unsigned closed:1; |
509 | 367 unsigned done:1; |
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368 |
501 | 369 unsigned filter_need_in_memory:1; |
370 unsigned filter_ssi_need_in_memory:1; | |
371 unsigned filter_need_temporary:1; | |
372 unsigned filter_allow_ranges:1; | |
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373 |
427
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374 #if (NGX_STAT_STUB) |
501 | 375 unsigned stat_reading:1; |
376 unsigned stat_writing:1; | |
427
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377 #endif |
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378 |
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379 /* used to parse HTTP headers */ |
501 | 380 ngx_uint_t state; |
381 u_char *uri_start; | |
382 u_char *uri_end; | |
383 u_char *uri_ext; | |
384 u_char *args_start; | |
385 u_char *request_start; | |
386 u_char *request_end; | |
387 u_char *method_end; | |
388 u_char *schema_start; | |
389 u_char *schema_end; | |
390 u_char *host_start; | |
391 u_char *host_end; | |
392 u_char *port_start; | |
393 u_char *port_end; | |
394 u_char *header_name_start; | |
395 u_char *header_name_end; | |
396 u_char *header_start; | |
397 u_char *header_end; | |
507 | 398 ngx_uint_t header_hash; |
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399 }; |
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400 |
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401 |
507 | 402 extern ngx_http_header_t ngx_http_headers_in[]; |
509 | 403 extern ngx_http_header0_t ngx_http_headers_out[]; |
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404 |
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405 |
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406 #endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */ |