ngx_rtmp_variables.h

/*
 * Copyright (C) 2017 Gnolizuh
 */


#ifndef _NGX_RTMP_VARIABLES_H_INCLUDED_
#define _NGX_RTMP_VARIABLES_H_INCLUDED_


#include <ngx_config.h>

typedef struct ngx_rtmp_regex_s     ngx_rtmp_regex_t;

#include <ngx_rtmp.h>


typedef ngx_variable_value_t  ngx_rtmp_variable_value_t;

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


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);

#if (NGX_PCRE)

typedef struct {
    ngx_uint_t                 capture;
    ngx_int_t                  index;
} ngx_rtmp_regex_variable_t;


struct ngx_rtmp_regex_s {
    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 *ngx_rtmp_regex_compile(ngx_conf_t *cf,
    ngx_regex_compile_t *rc);

#endif


#endif /* _NGX_RTMP_VARIABLES_H_INCLUDED_ */