1 /**
2 * collectd - src/meta_data.h
3 * Copyright (C) 2008-2011 Florian octo Forster
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 *
18 * Authors:
19 * Florian octo Forster <octo at verplant.org>
20 **/
22 #ifndef META_DATA_H
23 #define META_DATA_H
25 #include "collectd.h"
27 /*
28 * Defines
29 */
30 #define MD_TYPE_STRING 1
31 #define MD_TYPE_SIGNED_INT 2
32 #define MD_TYPE_UNSIGNED_INT 3
33 #define MD_TYPE_DOUBLE 4
34 #define MD_TYPE_BOOLEAN 5
36 struct meta_data_s;
37 typedef struct meta_data_s meta_data_t;
39 meta_data_t *meta_data_create (void);
40 meta_data_t *meta_data_clone (meta_data_t *orig);
41 void meta_data_destroy (meta_data_t *md);
43 int meta_data_exists (meta_data_t *md, const char *key);
44 int meta_data_type (meta_data_t *md, const char *key);
45 int meta_data_toc (meta_data_t *md, char ***toc);
46 int meta_data_delete (meta_data_t *md, const char *key);
48 int meta_data_add_string (meta_data_t *md,
49 const char *key,
50 const char *value);
51 int meta_data_add_signed_int (meta_data_t *md,
52 const char *key,
53 int64_t value);
54 int meta_data_add_unsigned_int (meta_data_t *md,
55 const char *key,
56 uint64_t value);
57 int meta_data_add_double (meta_data_t *md,
58 const char *key,
59 double value);
60 int meta_data_add_boolean (meta_data_t *md,
61 const char *key,
62 _Bool value);
64 int meta_data_get_string (meta_data_t *md,
65 const char *key,
66 char **value);
67 int meta_data_get_signed_int (meta_data_t *md,
68 const char *key,
69 int64_t *value);
70 int meta_data_get_unsigned_int (meta_data_t *md,
71 const char *key,
72 uint64_t *value);
73 int meta_data_get_double (meta_data_t *md,
74 const char *key,
75 double *value);
76 int meta_data_get_boolean (meta_data_t *md,
77 const char *key,
78 _Bool *value);
80 #endif /* META_DATA_H */
81 /* vim: set sw=2 sts=2 et : */