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ngx_rtmp_variables.h
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ngx_rtmp_variables.h
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/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
* Copyright (C) Winshining
*/
#ifndef _NGX_RTMP_VARIABLES_H_INCLUDED_
#define _NGX_RTMP_VARIABLES_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef ngx_variable_value_t ngx_rtmp_variable_value_t;
#define ngx_rtmp_variable(v) { sizeof(v) - 1, 1, 0, 0, 0, (u_char *) v }
typedef struct ngx_rtmp_variable_s ngx_rtmp_variable_t;
typedef void (*ngx_rtmp_set_variable_pt) (ngx_rtmp_session_t *s,
ngx_rtmp_variable_value_t *v, uintptr_t data);
typedef ngx_int_t (*ngx_rtmp_get_variable_pt) (ngx_rtmp_session_t *s,
ngx_rtmp_variable_value_t *v, uintptr_t data);
#define NGX_RTMP_VAR_CHANGEABLE 1
#define NGX_RTMP_VAR_NOCACHEABLE 2
#define NGX_RTMP_VAR_INDEXED 4
#define NGX_RTMP_VAR_NOHASH 8
#define NGX_RTMP_VAR_WEAK 16
#define NGX_RTMP_VAR_PREFIX 32
struct ngx_rtmp_variable_s {
ngx_str_t name; /* must be first to build the hash */
ngx_rtmp_set_variable_pt set_handler;
ngx_rtmp_get_variable_pt get_handler;
uintptr_t data;
ngx_uint_t flags;
ngx_uint_t index;
};
ngx_rtmp_variable_t *ngx_rtmp_add_variable(ngx_conf_t *cf, ngx_str_t *name,
ngx_uint_t flags);
ngx_int_t ngx_rtmp_get_variable_index(ngx_conf_t *cf, ngx_str_t *name);
ngx_rtmp_variable_value_t *ngx_rtmp_get_indexed_variable(ngx_rtmp_session_t *s,
ngx_uint_t index);
ngx_rtmp_variable_value_t *ngx_rtmp_get_flushed_variable(ngx_rtmp_session_t *s,
ngx_uint_t index);
ngx_rtmp_variable_value_t *ngx_rtmp_get_variable(ngx_rtmp_session_t *s,
ngx_str_t *name, ngx_uint_t key);
#if (NGX_PCRE)
typedef struct {
ngx_uint_t capture;
ngx_int_t index;
} ngx_rtmp_regex_variable_t;
typedef struct {
ngx_regex_t *regex;
ngx_uint_t ncaptures;
ngx_rtmp_regex_variable_t *variables;
ngx_uint_t nvariables;
ngx_str_t name;
} ngx_rtmp_regex_t;
typedef struct {
ngx_rtmp_regex_t *regex;
void *value;
} ngx_rtmp_map_regex_t;
ngx_rtmp_regex_t *ngx_rtmp_regex_compile(ngx_conf_t *cf,
ngx_regex_compile_t *rc);
ngx_int_t ngx_rtmp_regex_exec(ngx_rtmp_session_t *s, ngx_rtmp_regex_t *re,
ngx_str_t *str);
#endif
typedef struct {
ngx_hash_combined_t hash;
#if (NGX_PCRE)
ngx_rtmp_map_regex_t *regex;
ngx_uint_t nregex;
#endif
} ngx_rtmp_map_t;
void *ngx_rtmp_map_find(ngx_rtmp_session_t *s, ngx_rtmp_map_t *map,
ngx_str_t *match);
ngx_int_t ngx_rtmp_variables_add_core_vars(ngx_conf_t *cf);
ngx_int_t ngx_rtmp_variables_init_vars(ngx_conf_t *cf);
extern ngx_rtmp_variable_value_t ngx_rtmp_variable_null_value;
extern ngx_rtmp_variable_value_t ngx_rtmp_variable_true_value;
#endif /* _NGX_RTMP_VARIABLES_H_INCLUDED_ */