Mercurial > hg > nginx-quic

comparison src/stream/ngx_stream_variables.h @ 6607:c70b7f4537e1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Stream: variables and script. This is a port of corresponding http code with unrelated features excluded.
author Vladimir Homutov <vl@nginx.com>
date Mon, 04 Jul 2016 16:37:36 +0300
parents
children d2b2ff157da5
comparison
equal deleted inserted replaced
6606:2f41d383c9c7 6607:c70b7f4537e1
1
2 /*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) Nginx, Inc.
5 */
6
7
8 #ifndef _NGX_STREAM_VARIABLES_H_INCLUDED_
9 #define _NGX_STREAM_VARIABLES_H_INCLUDED_
10
11
12 #include <ngx_config.h>
13 #include <ngx_core.h>
14 #include <ngx_stream.h>
15
16
17 typedef ngx_variable_value_t ngx_stream_variable_value_t;
18
19 #define ngx_stream_variable(v) { sizeof(v) - 1, 1, 0, 0, 0, (u_char *) v }
20
21 typedef struct ngx_stream_variable_s ngx_stream_variable_t;
22
23 typedef void (*ngx_stream_set_variable_pt) (ngx_stream_session_t *s,
24 ngx_stream_variable_value_t *v, uintptr_t data);
25 typedef ngx_int_t (*ngx_stream_get_variable_pt) (ngx_stream_session_t *s,
26 ngx_stream_variable_value_t *v, uintptr_t data);
27
28
29 #define NGX_STREAM_VAR_CHANGEABLE 1
30 #define NGX_STREAM_VAR_NOCACHEABLE 2
31 #define NGX_STREAM_VAR_INDEXED 4
32 #define NGX_STREAM_VAR_NOHASH 8
33
34
35 struct ngx_stream_variable_s {
36 ngx_str_t name; /* must be first to build the hash */
37 ngx_stream_set_variable_pt set_handler;
38 ngx_stream_get_variable_pt get_handler;
39 uintptr_t data;
40 ngx_uint_t flags;
41 ngx_uint_t index;
42 };
43
44
45 ngx_stream_variable_t *ngx_stream_add_variable(ngx_conf_t *cf, ngx_str_t *name,
46 ngx_uint_t flags);
47 ngx_int_t ngx_stream_get_variable_index(ngx_conf_t *cf, ngx_str_t *name);
48 ngx_stream_variable_value_t *ngx_stream_get_indexed_variable(
49 ngx_stream_session_t *s, ngx_uint_t index);
50 ngx_stream_variable_value_t *ngx_stream_get_flushed_variable(
51 ngx_stream_session_t *s, ngx_uint_t index);
52
53 ngx_stream_variable_value_t *ngx_stream_get_variable(ngx_stream_session_t *s,
54 ngx_str_t *name, ngx_uint_t key);
55
56
57 #if (NGX_PCRE)
58
59 typedef struct {
60 ngx_uint_t capture;
61 ngx_int_t index;
62 } ngx_stream_regex_variable_t;
63
64
65 typedef struct {
66 ngx_regex_t *regex;
67 ngx_uint_t ncaptures;
68 ngx_stream_regex_variable_t *variables;
69 ngx_uint_t nvariables;
70 ngx_str_t name;
71 } ngx_stream_regex_t;
72
73
74 typedef struct {
75 ngx_stream_regex_t *regex;
76 void *value;
77 } ngx_stream_map_regex_t;
78
79
80 ngx_stream_regex_t *ngx_stream_regex_compile(ngx_conf_t *cf,
81 ngx_regex_compile_t *rc);
82 ngx_int_t ngx_stream_regex_exec(ngx_stream_session_t *s, ngx_stream_regex_t *re,
83 ngx_str_t *str);
84
85 #endif
86
87
88 typedef struct {
89 ngx_hash_combined_t hash;
90 #if (NGX_PCRE)
91 ngx_stream_map_regex_t *regex;
92 ngx_uint_t nregex;
93 #endif
94 } ngx_stream_map_t;
95
96
97 void *ngx_stream_map_find(ngx_stream_session_t *s, ngx_stream_map_t *map,
98 ngx_str_t *match);
99
100
101 ngx_int_t ngx_stream_variables_add_core_vars(ngx_conf_t *cf);
102 ngx_int_t ngx_stream_variables_init_vars(ngx_conf_t *cf);
103
104
105 extern ngx_stream_variable_value_t ngx_stream_variable_null_value;
106 extern ngx_stream_variable_value_t ngx_stream_variable_true_value;
107
108
109 #endif /* _NGX_STREAM_VARIABLES_H_INCLUDED_ */