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110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_STREAM_VARIABLES_H_INCLUDED_
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#define _NGX_STREAM_VARIABLES_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_stream.h>
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typedef ngx_variable_value_t ngx_stream_variable_value_t;
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#define ngx_stream_variable(v) { sizeof(v) - 1, 1, 0, 0, 0, (u_char *) v }
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typedef struct ngx_stream_variable_s ngx_stream_variable_t;
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typedef void (*ngx_stream_set_variable_pt) (ngx_stream_session_t *s,
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ngx_stream_variable_value_t *v, uintptr_t data);
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typedef ngx_int_t (*ngx_stream_get_variable_pt) (ngx_stream_session_t *s,
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ngx_stream_variable_value_t *v, uintptr_t data);
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#define NGX_STREAM_VAR_CHANGEABLE 1
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#define NGX_STREAM_VAR_NOCACHEABLE 2
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#define NGX_STREAM_VAR_INDEXED 4
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#define NGX_STREAM_VAR_NOHASH 8
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struct ngx_stream_variable_s {
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ngx_str_t name; /* must be first to build the hash */
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ngx_stream_set_variable_pt set_handler;
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ngx_stream_get_variable_pt get_handler;
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uintptr_t data;
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ngx_uint_t flags;
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ngx_uint_t index;
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};
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ngx_stream_variable_t *ngx_stream_add_variable(ngx_conf_t *cf, ngx_str_t *name,
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ngx_uint_t flags);
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ngx_int_t ngx_stream_get_variable_index(ngx_conf_t *cf, ngx_str_t *name);
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ngx_stream_variable_value_t *ngx_stream_get_indexed_variable(
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ngx_stream_session_t *s, ngx_uint_t index);
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ngx_stream_variable_value_t *ngx_stream_get_flushed_variable(
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ngx_stream_session_t *s, ngx_uint_t index);
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ngx_stream_variable_value_t *ngx_stream_get_variable(ngx_stream_session_t *s,
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ngx_str_t *name, ngx_uint_t key);
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#if (NGX_PCRE)
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typedef struct {
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ngx_uint_t capture;
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ngx_int_t index;
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} ngx_stream_regex_variable_t;
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typedef struct {
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ngx_regex_t *regex;
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ngx_uint_t ncaptures;
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ngx_stream_regex_variable_t *variables;
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ngx_uint_t nvariables;
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ngx_str_t name;
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} ngx_stream_regex_t;
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typedef struct {
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ngx_stream_regex_t *regex;
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void *value;
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} ngx_stream_map_regex_t;
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ngx_stream_regex_t *ngx_stream_regex_compile(ngx_conf_t *cf,
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ngx_regex_compile_t *rc);
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ngx_int_t ngx_stream_regex_exec(ngx_stream_session_t *s, ngx_stream_regex_t *re,
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ngx_str_t *str);
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#endif
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typedef struct {
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ngx_hash_combined_t hash;
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#if (NGX_PCRE)
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ngx_stream_map_regex_t *regex;
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ngx_uint_t nregex;
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#endif
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} ngx_stream_map_t;
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void *ngx_stream_map_find(ngx_stream_session_t *s, ngx_stream_map_t *map,
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ngx_str_t *match);
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ngx_int_t ngx_stream_variables_add_core_vars(ngx_conf_t *cf);
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ngx_int_t ngx_stream_variables_init_vars(ngx_conf_t *cf);
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extern ngx_stream_variable_value_t ngx_stream_variable_null_value;
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extern ngx_stream_variable_value_t ngx_stream_variable_true_value;
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#endif /* _NGX_STREAM_VARIABLES_H_INCLUDED_ */
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