2004-09-28 16:34:51 +08:00
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/*
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2004-09-30 00:00:49 +08:00
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* Copyright (C) Igor Sysoev
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2004-09-28 16:34:51 +08:00
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*/
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2003-05-20 00:39:14 +08:00
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#ifndef _NGX_HTTP_REQUEST_H_INCLUDED_
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#define _NGX_HTTP_REQUEST_H_INCLUDED_
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2004-09-23 14:32:00 +08:00
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#define NGX_HTTP_DISCARD_BUFFER_SIZE 4096
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#define NGX_HTTP_LINGERING_BUFFER_SIZE 4096
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_VERSION_9 9
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#define NGX_HTTP_VERSION_10 1000
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#define NGX_HTTP_VERSION_11 1001
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2003-05-20 00:39:14 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_GET 1
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#define NGX_HTTP_HEAD 2
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#define NGX_HTTP_POST 3
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2003-05-20 00:39:14 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_CONNECTION_CLOSE 1
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#define NGX_HTTP_CONNECTION_KEEP_ALIVE 2
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2003-05-20 00:39:14 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_NONE 1
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2003-10-08 23:32:54 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_PARSE_HEADER_DONE 1
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2003-10-27 16:53:49 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_CLIENT_ERROR 10
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#define NGX_HTTP_PARSE_INVALID_METHOD 10
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#define NGX_HTTP_PARSE_INVALID_REQUEST 11
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#define NGX_HTTP_PARSE_TOO_LONG_URI 12
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#define NGX_HTTP_PARSE_INVALID_09_METHOD 13
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2003-10-27 16:53:49 +08:00
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2004-03-16 15:10:12 +08:00
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#define NGX_HTTP_PARSE_HEADER_ERROR 14
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#define NGX_HTTP_PARSE_INVALID_HEADER 14
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#define NGX_HTTP_PARSE_TOO_LONG_HEADER 15
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2004-10-21 23:34:38 +08:00
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#define NGX_HTTP_PARSE_NO_HOST_HEADER 16
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#define NGX_HTTP_PARSE_INVALID_CL_HEADER 17
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#define NGX_HTTP_PARSE_POST_WO_CL_HEADER 18
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2004-11-11 22:07:14 +08:00
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#define NGX_HTTP_PARSE_INVALID_HOST 19
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#define NGX_HTTP_PARSE_HTTP_TO_HTTPS 20
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2003-05-20 00:39:14 +08:00
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2003-10-28 05:01:00 +08:00
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#define NGX_HTTP_OK 200
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#define NGX_HTTP_PARTIAL_CONTENT 206
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#define NGX_HTTP_SPECIAL_RESPONSE 300
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#define NGX_HTTP_MOVED_PERMANENTLY 301
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#define NGX_HTTP_MOVED_TEMPORARILY 302
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#define NGX_HTTP_NOT_MODIFIED 304
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#define NGX_HTTP_BAD_REQUEST 400
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#define NGX_HTTP_FORBIDDEN 403
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#define NGX_HTTP_NOT_FOUND 404
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#define NGX_HTTP_NOT_ALLOWED 405
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#define NGX_HTTP_REQUEST_TIME_OUT 408
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#define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413
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#define NGX_HTTP_REQUEST_URI_TOO_LARGE 414
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#define NGX_HTTP_RANGE_NOT_SATISFIABLE 416
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2004-05-15 00:51:47 +08:00
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/* Our own HTTP codes */
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2004-07-09 15:12:14 +08:00
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#define NGX_HTTP_NGX_CODES NGX_HTTP_TO_HTTPS
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/*
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* We use the special code for the plain HTTP requests that are sent to
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* HTTPS port to distinguish it from 4XX in an error page redirection
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*/
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#define NGX_HTTP_TO_HTTPS 497
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2004-05-15 00:51:47 +08:00
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/*
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* We use the special code for the requests with invalid host name
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* to distinguish it from 4XX in an error page redirection
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*/
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#define NGX_HTTP_INVALID_HOST 498
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2003-11-19 00:49:00 +08:00
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/*
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2004-01-19 05:09:21 +08:00
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* HTTP does not define the code for the case when a client closed
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* the connection while we are processing its request so we introduce
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* own code to log such situation when a client has closed the connection
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* before we even try to send the HTTP header to it
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2003-11-19 00:49:00 +08:00
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*/
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2003-11-19 05:34:08 +08:00
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#define NGX_HTTP_CLIENT_CLOSED_REQUEST 499
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2003-11-19 00:49:00 +08:00
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2004-05-15 00:51:47 +08:00
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2003-10-28 05:01:00 +08:00
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#define NGX_HTTP_INTERNAL_SERVER_ERROR 500
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#define NGX_HTTP_NOT_IMPLEMENTED 501
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#define NGX_HTTP_BAD_GATEWAY 502
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#define NGX_HTTP_SERVICE_UNAVAILABLE 503
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#define NGX_HTTP_GATEWAY_TIME_OUT 504
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2003-05-20 00:39:14 +08:00
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2004-05-15 00:51:47 +08:00
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typedef enum {
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NGX_HTTP_RESTRICT_HOST_OFF = 0,
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NGX_HTTP_RESTRICT_HOST_ON,
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NGX_HTTP_RESTRICT_HOST_CLOSE
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} ngx_http_restrict_host_e;
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2003-12-26 04:26:58 +08:00
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typedef enum {
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NGX_HTTP_INITING_REQUEST_STATE = 0,
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NGX_HTTP_READING_REQUEST_STATE,
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NGX_HTTP_PROCESS_REQUEST_STATE,
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2003-05-20 00:39:14 +08:00
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2003-12-26 04:26:58 +08:00
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NGX_HTTP_CONNECT_UPSTREAM_STATE,
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NGX_HTTP_WRITING_UPSTREAM_STATE,
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NGX_HTTP_READING_UPSTREAM_STATE,
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NGX_HTTP_WRITING_REQUEST_STATE,
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NGX_HTTP_LINGERING_CLOSE_STATE,
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NGX_HTTP_KEEPALIVE_STATE
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} ngx_http_state_e;
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2003-05-20 00:39:14 +08:00
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typedef struct {
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2004-03-16 15:10:12 +08:00
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ngx_str_t name;
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ngx_uint_t offset;
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2003-05-20 00:39:14 +08:00
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} ngx_http_header_t;
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typedef struct {
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2004-09-06 03:54:02 +08:00
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ngx_list_t headers;
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2003-10-29 16:30:44 +08:00
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2003-05-20 00:39:14 +08:00
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ngx_table_elt_t *host;
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ngx_table_elt_t *connection;
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ngx_table_elt_t *if_modified_since;
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2003-10-23 00:38:26 +08:00
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ngx_table_elt_t *user_agent;
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2003-11-10 04:03:38 +08:00
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ngx_table_elt_t *referer;
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2003-10-23 00:38:26 +08:00
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ngx_table_elt_t *content_length;
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2004-03-13 00:57:08 +08:00
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2003-10-23 00:38:26 +08:00
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ngx_table_elt_t *range;
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2003-05-20 00:39:14 +08:00
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2004-03-13 00:57:08 +08:00
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#if (NGX_HTTP_GZIP)
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ngx_table_elt_t *accept_encoding;
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2004-04-13 23:08:48 +08:00
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ngx_table_elt_t *via;
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2004-03-13 00:57:08 +08:00
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#endif
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2003-11-04 06:20:44 +08:00
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ngx_table_elt_t *authorization;
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2003-10-21 01:14:07 +08:00
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ngx_table_elt_t *keep_alive;
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2003-05-20 00:39:14 +08:00
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2004-03-13 00:57:08 +08:00
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#if (NGX_HTTP_PROXY)
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ngx_table_elt_t *x_forwarded_for;
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2004-10-25 23:29:23 +08:00
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ngx_table_elt_t *x_real_ip;
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ngx_table_elt_t *x_url;
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2004-03-13 00:57:08 +08:00
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#endif
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2004-08-27 23:40:59 +08:00
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ngx_array_t cookies;
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2003-10-22 00:49:56 +08:00
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size_t host_name_len;
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ssize_t content_length_n;
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size_t connection_type;
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ssize_t keep_alive_n;
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2004-06-16 23:32:11 +08:00
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2004-09-15 03:39:54 +08:00
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unsigned msie:1;
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unsigned msie4:1;
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2004-09-16 00:00:43 +08:00
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unsigned opera:1;
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2004-09-18 00:07:35 +08:00
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unsigned gecko:1;
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unsigned konqueror:1;
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2003-05-20 00:39:14 +08:00
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} ngx_http_headers_in_t;
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2003-06-02 23:24:30 +08:00
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typedef struct {
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2004-03-16 15:10:12 +08:00
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off_t start;
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off_t end;
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ngx_str_t content_range;
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2003-06-02 23:24:30 +08:00
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} ngx_http_range_t;
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2003-05-20 00:39:14 +08:00
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typedef struct {
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2004-09-06 03:54:02 +08:00
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ngx_list_t headers;
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2003-10-29 16:30:44 +08:00
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2004-03-30 01:43:58 +08:00
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ngx_uint_t status;
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2003-05-20 00:39:14 +08:00
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ngx_str_t status_line;
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ngx_table_elt_t *server;
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ngx_table_elt_t *date;
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ngx_table_elt_t *content_type;
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2003-10-22 00:49:56 +08:00
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ngx_table_elt_t *content_length;
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2003-09-29 03:29:06 +08:00
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ngx_table_elt_t *content_encoding;
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2003-05-20 00:39:14 +08:00
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ngx_table_elt_t *location;
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ngx_table_elt_t *last_modified;
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2003-06-02 23:24:30 +08:00
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ngx_table_elt_t *content_range;
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2003-10-02 13:39:37 +08:00
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ngx_table_elt_t *accept_ranges;
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2004-04-15 01:44:28 +08:00
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ngx_table_elt_t *expires;
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ngx_table_elt_t *cache_control;
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ngx_table_elt_t *etag;
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2003-06-02 23:24:30 +08:00
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ngx_str_t charset;
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ngx_array_t ranges;
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2003-05-20 00:39:14 +08:00
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2003-10-22 00:49:56 +08:00
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off_t content_length_n;
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2003-05-20 00:39:14 +08:00
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time_t date_time;
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time_t last_modified_time;
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} ngx_http_headers_out_t;
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2004-03-30 01:43:58 +08:00
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typedef struct {
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ngx_temp_file_t *temp_file;
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ngx_chain_t *bufs;
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2004-05-28 23:49:23 +08:00
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ngx_buf_t *buf;
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2004-03-30 01:43:58 +08:00
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size_t rest;
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void (*handler) (void *data);
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void *data;
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} ngx_http_request_body_t;
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2003-12-01 04:03:18 +08:00
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struct ngx_http_cleanup_s {
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2003-11-29 01:41:47 +08:00
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union {
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struct {
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ngx_fd_t fd;
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2004-03-16 15:10:12 +08:00
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u_char *name;
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2003-11-29 01:41:47 +08:00
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} file;
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struct {
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ngx_http_cache_hash_t *hash;
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2004-11-26 00:17:31 +08:00
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ngx_http_cache_entry_t *cache;
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2003-11-29 01:41:47 +08:00
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} cache;
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} data;
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2003-12-01 04:03:18 +08:00
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unsigned valid:1;
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2003-11-29 01:41:47 +08:00
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unsigned cache:1;
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2003-12-01 04:03:18 +08:00
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};
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2003-11-29 01:41:47 +08:00
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2004-09-21 13:38:28 +08:00
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typedef struct {
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2004-09-21 23:47:05 +08:00
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ngx_http_request_t *request;
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ngx_buf_t **busy;
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2004-09-23 00:18:21 +08:00
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ngx_int_t nbusy;
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2004-09-21 23:47:05 +08:00
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ngx_buf_t **free;
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2004-09-23 00:18:21 +08:00
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ngx_int_t nfree;
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2004-09-21 23:47:05 +08:00
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ngx_uint_t pipeline; /* unsigned pipeline:1; */
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2004-09-21 13:38:28 +08:00
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} ngx_http_connection_t;
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2004-06-16 23:32:11 +08:00
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typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r);
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2003-10-10 23:10:50 +08:00
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2003-05-20 00:39:14 +08:00
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struct ngx_http_request_s {
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2004-06-24 15:53:37 +08:00
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uint32_t signature; /* "HTTP" */
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2003-11-29 01:41:47 +08:00
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ngx_connection_t *connection;
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2003-05-20 00:39:14 +08:00
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2003-11-29 01:41:47 +08:00
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void **ctx;
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void **main_conf;
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void **srv_conf;
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void **loc_conf;
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2003-05-20 00:39:14 +08:00
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2004-12-21 20:30:30 +08:00
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ngx_http_cache_t *cache;
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2003-11-27 15:45:22 +08:00
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2004-03-30 01:43:58 +08:00
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ngx_file_t file;
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2003-05-20 00:39:14 +08:00
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ngx_pool_t *pool;
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2004-05-28 23:49:23 +08:00
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ngx_buf_t *header_in;
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2003-05-20 00:39:14 +08:00
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ngx_http_headers_in_t headers_in;
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ngx_http_headers_out_t headers_out;
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2004-03-30 01:43:58 +08:00
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ngx_http_request_body_t *request_body;
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2003-06-02 23:24:30 +08:00
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time_t lingering_time;
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2003-05-20 00:39:14 +08:00
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2004-03-16 15:10:12 +08:00
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ngx_uint_t method;
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ngx_uint_t http_version;
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ngx_uint_t http_major;
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ngx_uint_t http_minor;
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2003-05-20 00:39:14 +08:00
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ngx_str_t request_line;
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ngx_str_t uri;
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ngx_str_t args;
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ngx_str_t exten;
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ngx_str_t unparsed_uri;
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2004-04-14 13:57:36 +08:00
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ngx_str_t method_name;
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2003-05-20 00:39:14 +08:00
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ngx_http_request_t *main;
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2004-03-16 15:10:12 +08:00
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uint32_t in_addr;
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ngx_uint_t port;
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2004-09-14 00:18:09 +08:00
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ngx_str_t *port_text; /* ":80" */
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2004-10-25 23:29:23 +08:00
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ngx_str_t server_name;
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2004-12-21 20:30:30 +08:00
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ngx_http_in_addr_t *virtual_names;
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2003-05-20 00:39:14 +08:00
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2004-03-16 15:10:12 +08:00
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ngx_uint_t phase;
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ngx_int_t phase_handler;
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2003-10-10 23:10:50 +08:00
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ngx_http_handler_pt content_handler;
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2003-05-20 00:39:14 +08:00
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2003-11-29 01:41:47 +08:00
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ngx_array_t cleanup;
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2004-03-30 01:43:58 +08:00
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/* used to learn the Apache compatible response length without a header */
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2003-12-15 04:10:27 +08:00
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size_t header_size;
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2004-12-06 22:45:08 +08:00
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size_t request_length;
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2004-03-16 15:10:12 +08:00
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u_char *discarded_buffer;
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2003-11-11 05:09:22 +08:00
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void **err_ctx;
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2004-03-16 15:10:12 +08:00
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ngx_uint_t err_status;
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2003-05-20 00:39:14 +08:00
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2004-09-21 13:38:28 +08:00
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ngx_http_connection_t *http_connection;
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2003-12-26 04:26:58 +08:00
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unsigned http_state:4;
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2004-04-14 13:57:36 +08:00
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#if 0
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2003-06-02 23:24:30 +08:00
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/* URI is not started with '/' - "GET http://" */
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unsigned unusual_uri:1;
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2004-04-14 13:57:36 +08:00
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#endif
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2004-10-11 23:07:03 +08:00
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/* URI with "/." and on Win32 with "//" */
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2003-06-02 23:24:30 +08:00
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unsigned complex_uri:1;
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2004-10-11 23:07:03 +08:00
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/* URI with "%" */
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unsigned quoted_uri:1;
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2003-06-02 23:24:30 +08:00
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unsigned header_timeout_set:1;
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2003-05-20 00:39:14 +08:00
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2003-06-02 23:24:30 +08:00
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unsigned proxy:1;
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2003-11-03 06:56:18 +08:00
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unsigned bypass_cache:1;
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2003-11-04 06:20:44 +08:00
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|
unsigned no_cache:1;
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2003-11-03 06:56:18 +08:00
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|
2003-06-02 23:24:30 +08:00
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|
#if 0
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|
|
unsigned cachable:1;
|
2003-05-20 00:39:14 +08:00
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|
#endif
|
2003-06-02 23:24:30 +08:00
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|
unsigned pipeline:1;
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|
2004-07-17 01:11:43 +08:00
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|
|
unsigned plain_http:1;
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2003-06-02 23:24:30 +08:00
|
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|
unsigned chunked:1;
|
|
|
|
unsigned header_only:1;
|
|
|
|
unsigned keepalive:1;
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|
|
|
unsigned lingering_close:1;
|
2003-10-10 23:10:50 +08:00
|
|
|
unsigned closed:1;
|
2003-06-02 23:24:30 +08:00
|
|
|
|
2004-06-07 03:49:18 +08:00
|
|
|
unsigned filter_need_in_memory:1;
|
|
|
|
unsigned filter_ssi_need_in_memory:1;
|
|
|
|
unsigned filter_need_temporary:1;
|
|
|
|
unsigned filter_allow_ranges:1;
|
2003-06-02 23:24:30 +08:00
|
|
|
|
2004-09-16 00:00:43 +08:00
|
|
|
#if (NGX_STAT_STUB)
|
|
|
|
unsigned stat_reading:1;
|
|
|
|
unsigned stat_writing:1;
|
|
|
|
#endif
|
|
|
|
|
2004-09-06 03:54:02 +08:00
|
|
|
ngx_uint_t headers_n;
|
|
|
|
|
2003-06-02 23:24:30 +08:00
|
|
|
/* used to parse HTTP headers */
|
2004-09-09 23:40:48 +08:00
|
|
|
ngx_uint_t state;
|
2004-03-16 15:10:12 +08:00
|
|
|
u_char *uri_start;
|
|
|
|
u_char *uri_end;
|
|
|
|
u_char *uri_ext;
|
|
|
|
u_char *args_start;
|
|
|
|
u_char *request_start;
|
|
|
|
u_char *request_end;
|
2004-04-14 13:57:36 +08:00
|
|
|
u_char *method_end;
|
|
|
|
u_char *schema_start;
|
|
|
|
u_char *schema_end;
|
|
|
|
u_char *host_start;
|
|
|
|
u_char *host_end;
|
|
|
|
u_char *port_start;
|
|
|
|
u_char *port_end;
|
2004-03-16 15:10:12 +08:00
|
|
|
u_char *header_name_start;
|
|
|
|
u_char *header_name_end;
|
|
|
|
u_char *header_start;
|
|
|
|
u_char *header_end;
|
2003-05-20 00:39:14 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
|
2003-10-29 16:30:44 +08:00
|
|
|
extern ngx_http_header_t ngx_http_headers_in[];
|
|
|
|
extern ngx_http_header_t ngx_http_headers_out[];
|
|
|
|
|
|
|
|
|
|
|
|
|
2003-05-20 00:39:14 +08:00
|
|
|
#endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */
|