annotate src/http/ngx_http_variables.h @ 611:3f8a2132b93d release-0.3.27

nginx-0.3.27-RELEASE import *) Change: the "variables_hash_max_size" and "variables_hash_bucket_size" directives. *) Feature: the $body_bytes_sent variable can be used not only in the "log_format" directive. *) Feature: the $ssl_protocol and $ssl_cipher variables. *) Feature: the cache line size detection for widespread CPUs at start time. *) Feature: now the "accept_mutex" directive is supported using fcntl(2) on platforms different from i386, amd64, sparc64, and ppc. *) Feature: the "lock_file" directive and the --with-lock-path=PATH autoconfiguration directive. *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive then the requests with the body was not transferred.
author Igor Sysoev <igor@sysoev.ru>
date Wed, 08 Feb 2006 15:33:12 +0000
parents 4e296b7d25bf
children 18268abd340c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_HTTP_VARIABLES_H_INCLUDED_
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8 #define _NGX_HTTP_VARIABLES_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_event.h>
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14 #include <ngx_http.h>
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17 typedef struct {
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18 unsigned len:29;
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20 unsigned valid:1;
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21 unsigned no_cachable:1;
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22 unsigned not_found:1;
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24 u_char *data;
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25 } ngx_http_variable_value_t;
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27 #define ngx_http_variable(v) { sizeof(v) - 1, 1, 0, 0, (u_char *) v }
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29 typedef struct ngx_http_variable_s ngx_http_variable_t;
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31 typedef ngx_int_t (*ngx_http_get_variable_pt) (ngx_http_request_t *r,
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32 ngx_http_variable_value_t *v, uintptr_t data);
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35 #define NGX_HTTP_VAR_CHANGABLE 1
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36 #define NGX_HTTP_VAR_NOCACHABLE 2
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37 #define NGX_HTTP_VAR_INDEXED 4
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38 #define NGX_HTTP_VAR_NOHASH 8
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41 struct ngx_http_variable_s {
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42 ngx_str_t name; /* must be first to build the hash */
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43 ngx_http_get_variable_pt handler;
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44 uintptr_t data;
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45 ngx_uint_t flags;
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46 ngx_uint_t index;
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47 };
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50 ngx_http_variable_t *ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name,
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51 ngx_uint_t flags);
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52 ngx_int_t ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name);
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53 ngx_http_variable_value_t *ngx_http_get_indexed_variable(ngx_http_request_t *r,
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54 ngx_uint_t index);
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55 ngx_http_variable_value_t *ngx_http_get_flushed_variable(ngx_http_request_t *r,
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56 ngx_uint_t index);
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58 ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,
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59 ngx_str_t *name, ngx_uint_t key);
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61 #define ngx_http_clear_variable(r, index) r->variables0[index].text.data = NULL;
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64 ngx_int_t ngx_http_variables_add_core_vars(ngx_conf_t *cf);
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65 ngx_int_t ngx_http_variables_init_vars(ngx_conf_t *cf);
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68 extern ngx_http_variable_value_t ngx_http_variable_null_value;
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69 extern ngx_http_variable_value_t ngx_http_variable_true_value;
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72 #endif /* _NGX_HTTP_VARIABLES_H_INCLUDED_ */