7504aafb966ed49315cd3acbaab50a1bf32f2520
1 /**
2 * collectd - src/utils_latency_config.c
3 * Copyright (C) 2013-2016 Florian octo Forster
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Florian octo Forster <octo at collectd.org>
25 * Pavel Rochnyack <pavel2000 at ngs.ru>
26 */
28 #include "collectd.h"
29 #include "common.h"
30 #include "utils_latency_config.h"
32 int latency_config_add_percentile (const char *plugin, latency_config_t *cl,
33 oconfig_item_t *ci)
34 {
35 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
36 {
37 ERROR ("%s plugin: \"%s\" requires exactly one numeric argument.",
38 plugin, ci->key);
39 return (-1);
40 }
42 double percent = ci->values[0].value.number;
43 double *tmp;
45 if ((percent <= 0.0) || (percent >= 100))
46 {
47 ERROR ("%s plugin: The value for \"%s\" must be between 0 and 100, "
48 "exclusively.", plugin, ci->key);
49 return (ERANGE);
50 }
52 tmp = realloc (cl->percentile,
53 sizeof (*cl->percentile) * (cl->percentile_num + 1));
54 if (tmp == NULL)
55 {
56 ERROR ("%s plugin: realloc failed.", plugin);
57 return (ENOMEM);
58 }
59 cl->percentile = tmp;
60 cl->percentile[cl->percentile_num] = percent;
61 cl->percentile_num++;
63 return (0);
64 } /* int latency_config_add_percentile */
66 int latency_config_add_rate (const char *plugin, latency_config_t *cl,
67 oconfig_item_t *ci)
68 {
70 if ((ci->values_num != 2)
71 ||(ci->values[0].type != OCONFIG_TYPE_NUMBER)
72 ||(ci->values[1].type != OCONFIG_TYPE_NUMBER))
73 {
74 ERROR ("%s plugin: \"%s\" requires exactly two numeric arguments.",
75 plugin, ci->key);
76 return (-1);
77 }
79 if (ci->values[1].value.number &&
80 ci->values[1].value.number <= ci->values[0].value.number)
81 {
82 ERROR ("%s plugin: MIN must be less than MAX in \"%s\".",
83 plugin, ci->key);
84 return (-1);
85 }
87 if (ci->values[0].value.number < 0.001)
88 {
89 ERROR ("%s plugin: MIN must be greater or equal to 0.001 in \"%s\".",
90 plugin, ci->key);
91 return (-1);
92 }
94 cdtime_t lower = DOUBLE_TO_CDTIME_T(ci->values[0].value.number);
95 cdtime_t upper = DOUBLE_TO_CDTIME_T(ci->values[1].value.number);
96 cdtime_t *tmp;
98 tmp = realloc (cl->rates,
99 sizeof (*cl->rates) * (cl->rates_num + 1) * 2);
100 if (tmp == NULL)
101 {
102 ERROR ("%s plugin: realloc failed.", plugin);
103 return (ENOMEM);
104 }
105 cl->rates = tmp;
106 cl->rates[cl->rates_num * 2] = lower;
107 cl->rates[cl->rates_num * 2 + 1] = upper;
108 cl->rates_num++;
110 return (0);
111 } /* int latency_config_add_rate */
114 int latency_config_copy (latency_config_t *dst, const latency_config_t src)
115 {
116 /* Copy percentiles configuration */
117 dst->percentile_num = src.percentile_num;
118 dst->percentile = malloc(sizeof (*dst->percentile) * (src.percentile_num));
119 if (dst->percentile == NULL)
120 goto nomem;
122 memcpy (dst->percentile, src.percentile,
123 (sizeof (*dst->percentile) * (src.percentile_num)));
125 if (src.percentile_type != NULL)
126 {
127 dst->percentile_type = strdup(src.percentile_type);
128 if (dst->percentile_type == NULL)
129 goto nomem;
130 }
132 /* Copy rates configuration */
133 dst->rates_num = src.rates_num;
134 dst->rates = malloc(sizeof (*dst->rates) * (src.rates_num) * 2);
135 if (dst->rates == NULL)
136 goto nomem;
138 memcpy (dst->rates, src.rates,
139 (sizeof (*dst->rates) * (src.rates_num) * 2));
141 if (src.rates_type != NULL)
142 {
143 dst->rates_type = strdup(src.rates_type);
144 if (dst->rates_type == NULL)
145 goto nomem;
146 }
148 return (0);
149 nomem:
150 free (dst->rates);
151 free (dst->rates_type);
152 free (dst->percentile);
153 free (dst->percentile_type);
154 return (-1);
155 } /* int latency_config_copy */
157 void latency_config_free (latency_config_t lc)
158 {
159 sfree (lc.rates);
160 sfree (lc.rates_type);
161 sfree (lc.percentile);
162 sfree (lc.percentile_type);
163 } /* void latency_config_free */