1 /**
2 * libcollectdclient - src/libcollectdclient/client.h
3 * Copyright (C) 2008 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 LIBCOLLECTD_COLLECTDCLIENT_H
23 #define LIBCOLLECTD_COLLECTDCLIENT_H 1
25 #include "lcc_features.h"
27 /*
28 * Includes (for data types)
29 */
30 #if HAVE_STDINT_H
31 # include <stdint.h>
32 #endif
33 #include <inttypes.h>
34 #include <time.h>
36 /*
37 * Defines
38 */
39 #define LCC_NAME_LEN 64
40 #define LCC_DEFAULT_PORT "25826"
42 /*
43 * Types
44 */
45 #define LCC_TYPE_COUNTER 0
46 #define LCC_TYPE_GAUGE 1
47 #define LCC_TYPE_DERIVE 2
48 #define LCC_TYPE_ABSOLUTE 3
50 LCC_BEGIN_DECLS
52 typedef uint64_t counter_t;
53 typedef double gauge_t;
54 typedef uint64_t derive_t;
55 typedef uint64_t absolute_t;
57 union value_u
58 {
59 counter_t counter;
60 gauge_t gauge;
61 derive_t derive;
62 absolute_t absolute;
63 };
64 typedef union value_u value_t;
66 struct lcc_identifier_s
67 {
68 char host[LCC_NAME_LEN];
69 char plugin[LCC_NAME_LEN];
70 char plugin_instance[LCC_NAME_LEN];
71 char type[LCC_NAME_LEN];
72 char type_instance[LCC_NAME_LEN];
73 };
74 typedef struct lcc_identifier_s lcc_identifier_t;
75 #define LCC_IDENTIFIER_INIT { "localhost", "", "", "", "" }
77 struct lcc_value_list_s
78 {
79 value_t *values;
80 int *values_types;
81 size_t values_len;
82 time_t time;
83 int interval;
84 lcc_identifier_t identifier;
85 };
86 typedef struct lcc_value_list_s lcc_value_list_t;
87 #define LCC_VALUE_LIST_INIT { NULL, NULL, 0, 0, 0, LCC_IDENTIFIER_INIT }
89 struct lcc_connection_s;
90 typedef struct lcc_connection_s lcc_connection_t;
92 /*
93 * Functions
94 */
95 int lcc_connect (const char *address, lcc_connection_t **ret_con);
96 int lcc_disconnect (lcc_connection_t *c);
97 #define LCC_DESTROY(c) do { lcc_disconnect (c); (c) = NULL; } while (0)
99 int lcc_getval (lcc_connection_t *c, lcc_identifier_t *ident,
100 size_t *ret_values_num, gauge_t **ret_values, char ***ret_values_names);
102 int lcc_putval (lcc_connection_t *c, const lcc_value_list_t *vl);
104 int lcc_flush (lcc_connection_t *c, const char *plugin,
105 lcc_identifier_t *ident, int timeout);
107 int lcc_listval (lcc_connection_t *c,
108 lcc_identifier_t **ret_ident, size_t *ret_ident_num);
110 /* TODO: putnotif */
112 const char *lcc_strerror (lcc_connection_t *c);
114 int lcc_identifier_to_string (lcc_connection_t *c,
115 char *string, size_t string_size, const lcc_identifier_t *ident);
116 int lcc_string_to_identifier (lcc_connection_t *c,
117 lcc_identifier_t *ident, const char *string);
119 LCC_END_DECLS
121 /* vim: set sw=2 sts=2 et : */
122 #endif /* LIBCOLLECTD_COLLECTDCLIENT_H */