+++ /dev/null
-/**
- * collectd - src/utils_latency_config.c
- * Copyright (C) 2013-2016 Florian octo Forster
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Florian octo Forster <octo at collectd.org>
- * Pavel Rochnyack <pavel2000 at ngs.ru>
- */
-
-#include "utils_latency_config.h"
-#include "common.h"
-#include "collectd.h"
-
-static int latency_config_add_percentile(latency_config_t *conf,
- oconfig_item_t *ci,
- const char *plugin) {
- double percent;
- int status = cf_util_get_double(ci, &percent);
- if (status != 0)
- return status;
-
- if ((percent <= 0.0) || (percent >= 100)) {
- ERROR("%s plugin: The value for \"%s\" must be between 0 and 100, "
- "exclusively.",
- plugin, ci->key);
- return ERANGE;
- }
-
- double *tmp = realloc(conf->percentile,
- sizeof(*conf->percentile) * (conf->percentile_num + 1));
- if (tmp == NULL) {
- ERROR("%s plugin: realloc failed.", plugin);
- return ENOMEM;
- }
- conf->percentile = tmp;
- conf->percentile[conf->percentile_num] = percent;
- conf->percentile_num++;
-
- return 0;
-} /* int latency_config_add_percentile */
-
-static int latency_config_add_bucket(latency_config_t *conf, oconfig_item_t *ci,
- const char *plugin) {
- if ((ci->values_num != 2) || (ci->values[0].type != OCONFIG_TYPE_NUMBER) ||
- (ci->values[1].type != OCONFIG_TYPE_NUMBER)) {
- ERROR("%s plugin: \"%s\" requires exactly two numeric arguments.", plugin,
- ci->key);
- return EINVAL;
- }
-
- if (ci->values[1].value.number &&
- ci->values[1].value.number <= ci->values[0].value.number) {
- ERROR("%s plugin: MIN must be less than MAX in \"%s\".", plugin, ci->key);
- return ERANGE;
- }
-
- if (ci->values[0].value.number < 0) {
- ERROR("%s plugin: MIN must be greater then or equal to zero in \"%s\".",
- plugin, ci->key);
- return ERANGE;
- }
-
- latency_bucket_t *tmp =
- realloc(conf->buckets, sizeof(*conf->buckets) * (conf->buckets_num + 1));
- if (tmp == NULL) {
- ERROR("%s plugin: realloc failed.", plugin);
- return ENOMEM;
- }
- conf->buckets = tmp;
- conf->buckets[conf->buckets_num].lower_bound =
- DOUBLE_TO_CDTIME_T(ci->values[0].value.number);
- conf->buckets[conf->buckets_num].upper_bound =
- DOUBLE_TO_CDTIME_T(ci->values[1].value.number);
- conf->buckets_num++;
-
- return 0;
-} /* int latency_config_add_bucket */
-
-int latency_config(latency_config_t *conf, oconfig_item_t *ci,
- char const *plugin) {
- int status = 0;
-
- for (int i = 0; i < ci->children_num; i++) {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp("Percentile", child->key) == 0)
- status = latency_config_add_percentile(conf, child, plugin);
- else if (strcasecmp("Bucket", child->key) == 0)
- status = latency_config_add_bucket(conf, child, plugin);
- else if (strcasecmp("BucketType", child->key) == 0)
- status = cf_util_get_string(child, &conf->bucket_type);
- else
- WARNING("%s plugin: \"%s\" is not a valid option within a \"%s\" block.",
- plugin, child->key, ci->key);
-
- if (status != 0)
- return status;
- }
-
- if ((status == 0) && (conf->percentile_num == 0) &&
- (conf->buckets_num == 0)) {
- ERROR("%s plugin: The \"%s\" block must contain at least one "
- "\"Percentile\" or \"Bucket\" option.",
- plugin, ci->key);
- return EINVAL;
- }
-
- return 0;
-}
-
-int latency_config_copy(latency_config_t *dst, const latency_config_t src) {
- *dst = (latency_config_t){
- .percentile_num = src.percentile_num, .buckets_num = src.buckets_num,
- };
-
- dst->percentile = calloc(dst->percentile_num, sizeof(*dst->percentile));
- dst->buckets = calloc(dst->buckets_num, sizeof(*dst->buckets));
-
- if ((dst->percentile == NULL) || (dst->buckets == NULL)) {
- latency_config_free(*dst);
- return ENOMEM;
- }
-
- if (src.bucket_type != NULL) {
- dst->bucket_type = strdup(src.bucket_type);
- if (dst->bucket_type == NULL) {
- latency_config_free(*dst);
- return ENOMEM;
- }
- }
-
- memmove(dst->percentile, src.percentile,
- dst->percentile_num * sizeof(*dst->percentile));
- memmove(dst->buckets, src.buckets, dst->buckets_num * sizeof(*dst->buckets));
-
- return 0;
-} /* int latency_config_copy */
-
-void latency_config_free(latency_config_t conf) {
- sfree(conf.percentile);
- sfree(conf.buckets);
- sfree(conf.bucket_type);
-} /* void latency_config_free */
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