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f1aa5d8a DS |
1 | /* json-c wrapper |
2 | * Copyright (C) 2015 Cumulus Networks, Inc. | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
f1aa5d8a DS |
19 | */ |
20 | ||
21 | #ifndef _QUAGGA_JSON_H | |
22 | #define _QUAGGA_JSON_H | |
23 | ||
5e244469 RW |
24 | #ifdef __cplusplus |
25 | extern "C" { | |
26 | #endif | |
27 | ||
7bdafd3b | 28 | #include "command.h" |
2c4dfddb | 29 | #include "printfrr.h" |
112072ac | 30 | #include <json-c/json.h> |
8519fe88 RZ |
31 | |
32 | /* | |
33 | * FRR style JSON iteration. | |
34 | * Usage: JSON_FOREACH(...) { ... } | |
35 | */ | |
36 | #define JSON_FOREACH(jo, joi, join) \ | |
37 | /* struct json_object *jo; */ \ | |
38 | /* struct json_object_iterator joi; */ \ | |
39 | /* struct json_object_iterator join; */ \ | |
40 | for ((joi) = json_object_iter_begin((jo)), \ | |
41 | (join) = json_object_iter_end((jo)); \ | |
42 | json_object_iter_equal(&(joi), &(join)) == 0; \ | |
43 | json_object_iter_next(&(joi))) | |
44 | ||
0b11b56a DS |
45 | #define JSON_OBJECT_NEW_ARRAY(json_func, fields, n) \ |
46 | ({ \ | |
47 | struct json_object *_json_array = json_object_new_array(); \ | |
48 | for (int _i = 0; _i < (n); _i++) \ | |
49 | json_object_array_add(_json_array, \ | |
50 | (json_func)((fields)[_i])); \ | |
51 | (_json_array); \ | |
52 | }) | |
53 | ||
9f049418 | 54 | extern bool use_json(const int argc, struct cmd_token *argv[]); |
d62a17ae | 55 | extern void json_object_string_add(struct json_object *obj, const char *key, |
56 | const char *s); | |
57 | extern void json_object_int_add(struct json_object *obj, const char *key, | |
58 | int64_t i); | |
2fff50ec QY |
59 | void json_object_boolean_add(struct json_object *obj, const char *key, |
60 | bool val); | |
799cc002 PG |
61 | |
62 | extern void json_object_double_add(struct json_object *obj, const char *key, | |
63 | double i); | |
d62a17ae | 64 | extern void json_object_boolean_false_add(struct json_object *obj, |
65 | const char *key); | |
66 | extern void json_object_boolean_true_add(struct json_object *obj, | |
67 | const char *key); | |
68 | extern struct json_object *json_object_lock(struct json_object *obj); | |
f1aa5d8a | 69 | extern void json_object_free(struct json_object *obj); |
a2339ed9 | 70 | extern void json_array_string_add(json_object *json, const char *str); |
f1aa5d8a | 71 | |
2c4dfddb DL |
72 | /* printfrr => json helpers */ |
73 | ||
74 | PRINTFRR(3, 0) | |
75 | extern void json_object_string_addv(struct json_object *obj, const char *key, | |
76 | const char *fmt, va_list args); | |
77 | PRINTFRR(3, 4) | |
78 | static inline void json_object_string_addf(struct json_object *obj, | |
79 | const char *key, const char *fmt, | |
80 | ...) | |
81 | { | |
82 | va_list args; | |
83 | ||
84 | va_start(args, fmt); | |
85 | json_object_string_addv(obj, key, fmt, args); | |
86 | va_end(args); | |
87 | } | |
88 | ||
89 | PRINTFRR(2, 0) | |
90 | extern void json_array_string_addv(json_object *json, const char *fmt, | |
91 | va_list args); | |
92 | PRINTFRR(2, 3) | |
93 | static inline void json_array_string_addf(struct json_object *obj, | |
94 | const char *fmt, ...) | |
95 | { | |
96 | va_list args; | |
97 | ||
98 | va_start(args, fmt); | |
99 | json_array_string_addv(obj, fmt, args); | |
100 | va_end(args); | |
101 | } | |
102 | ||
103 | PRINTFRR(1, 0) | |
104 | extern struct json_object *json_object_new_stringv(const char *fmt, | |
105 | va_list args); | |
106 | PRINTFRR(1, 2) | |
107 | static inline struct json_object *json_object_new_stringf(const char *fmt, ...) | |
108 | { | |
109 | struct json_object *ret; | |
110 | va_list args; | |
111 | ||
112 | va_start(args, fmt); | |
113 | ret = json_object_new_stringv(fmt, args); | |
114 | va_end(args); | |
115 | ||
116 | return ret; | |
117 | } | |
a8dfd147 | 118 | |
51f8c3f2 DS |
119 | #define JSON_STR "JavaScript Object Notation\n" |
120 | ||
0f478e30 CS |
121 | /* NOTE: json-c lib has following commit 316da85 which |
122 | * handles escape of forward slash. | |
123 | * This allows prefix "20.0.14.0\/24":{ | |
124 | * to "20.0.14.0/24":{ some platforms do not have | |
125 | * latest copy of json-c where defining below macro. | |
126 | */ | |
127 | ||
128 | #ifndef JSON_C_TO_STRING_NOSLASHESCAPE | |
129 | ||
130 | /** | |
131 | * Don't escape forward slashes. | |
132 | */ | |
133 | #define JSON_C_TO_STRING_NOSLASHESCAPE (1<<4) | |
134 | #endif | |
135 | ||
5e244469 RW |
136 | #ifdef __cplusplus |
137 | } | |
138 | #endif | |
139 | ||
f1aa5d8a | 140 | #endif /* _QUAGGA_JSON_H */ |