Code

proto: Added support for marshaling double-precision values.
[sysdb.git] / src / core / timeseries.c
1 /*
2  * SysDB - src/core/timeseries.c
3  * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
28 #if HAVE_CONFIG_H
29 #       include "config.h"
30 #endif /* HAVE_CONFIG_H */
32 #include "sysdb.h"
33 #include "core/timeseries.h"
35 #include <stdlib.h>
36 #include <string.h>
38 /*
39  * public API
40  */
42 sdb_timeseries_t *
43 sdb_timeseries_create(size_t data_names_len, const char * const *data_names,
44                 size_t data_len)
45 {
46         sdb_timeseries_t *ts;
47         size_t i;
49         ts = calloc(1, sizeof(*ts));
50         if (! ts)
51                 return NULL;
53         ts->data = calloc(data_names_len, sizeof(*ts->data));
54         if (! ts->data) {
55                 sdb_timeseries_destroy(ts);
56                 return NULL;
57         }
58         ts->data_names_len = data_names_len;
59         for (i = 0; i < data_names_len; ++i) {
60                 ts->data[i] = calloc(data_len, sizeof(**ts->data));
61                 if (! ts->data[i]) {
62                         sdb_timeseries_destroy(ts);
63                         return NULL;
64                 }
65         }
66         ts->data_len = data_len;
68         ts->data_names = calloc(data_names_len, sizeof(*ts->data_names));
69         if (! ts->data_names) {
70                 sdb_timeseries_destroy(ts);
71                 return NULL;
72         }
73         for (i = 0; i < data_names_len; ++i) {
74                 ts->data_names[i] = strdup(data_names[i]);
75                 if (! ts->data_names[i]) {
76                         sdb_timeseries_destroy(ts);
77                         return NULL;
78                 }
79         }
80         return ts;
81 } /* sdb_timeseries_create */
83 void
84 sdb_timeseries_destroy(sdb_timeseries_t *ts)
85 {
86         size_t i;
88         if (! ts)
89                 return;
91         if (ts->data) {
92                 for (i = 0; i < ts->data_names_len; ++i) {
93                         if (ts->data[i])
94                                 free(ts->data[i]);
95                         ts->data[i] = NULL;
96                 }
97                 free(ts->data);
98         }
99         ts->data = NULL;
100         ts->data_len = 0;
102         if (ts->data_names) {
103                 for (i = 0; i < ts->data_names_len; ++i) {
104                         if (ts->data_names[i])
105                                 free(ts->data_names[i]);
106                         ts->data_names[i] = NULL;
107                 }
108                 free(ts->data_names);
109         }
110         ts->data_names = NULL;
111         ts->data_names_len = 0;
112         free(ts);
113 } /* sdb_timeseries_destroy */
115 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */