* collectd - src/target_scale.c
* Copyright (C) 2008-2009 Florian Forster
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; only version 2 of the License is applicable.
+ * 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:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * 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 Forster <octo at verplant.org>
+ * Florian Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "filter_chain.h"
if (failure == 0)
{
- uint64_t difference;
+ uint64_t diff;
double rate;
- /* Calcualte the rate */
- if (prev_counter > curr_counter) /* => counter overflow */
- {
- if (prev_counter <= 4294967295UL) /* 32 bit overflow */
- difference = (4294967295UL - prev_counter) + curr_counter;
- else /* 64 bit overflow */
- difference = (18446744073709551615ULL - prev_counter) + curr_counter;
- }
- else /* no overflow */
- {
- difference = curr_counter - prev_counter;
- }
- rate = ((double) difference) / CDTIME_T_TO_DOUBLE (vl->interval);
+ diff = (uint64_t) counter_diff (prev_counter, curr_counter);
+ rate = ((double) diff) / CDTIME_T_TO_DOUBLE (vl->interval);
/* Modify the rate. */
if (!isnan (data->factor))
/* Calculate the internal counter. */
int_fraction += (rate * CDTIME_T_TO_DOUBLE (vl->interval));
- difference = (uint64_t) int_fraction;
- int_fraction -= ((double) difference);
- int_counter += difference;
+ diff = (uint64_t) int_fraction;
+ int_fraction -= ((double) diff);
+ int_counter += diff;
assert (int_fraction >= 0.0);
assert (int_fraction < 1.0);
{
size_t new_data_sources_num;
char **temp;
- int i;
/* Check number of arbuments. */
if (ci->values_num < 1)
}
/* Check type of arguments */
- for (i = 0; i < ci->values_num; i++)
+ for (int i = 0; i < ci->values_num; i++)
{
if (ci->values[i].type == OCONFIG_TYPE_STRING)
continue;
/* Allocate space for the char pointers */
new_data_sources_num = data->data_sources_num + ((size_t) ci->values_num);
- temp = (char **) realloc (data->data_sources,
+ temp = realloc (data->data_sources,
new_data_sources_num * sizeof (char *));
if (temp == NULL)
{
data->data_sources = temp;
/* Copy the strings, allocating memory as needed. */
- for (i = 0; i < ci->values_num; i++)
+ for (int i = 0; i < ci->values_num; i++)
{
size_t j;
if ((data != NULL) && (data->data_sources != NULL))
{
- size_t i;
- for (i = 0; i < data->data_sources_num; i++)
+ for (size_t i = 0; i < data->data_sources_num; i++)
sfree (data->data_sources[i]);
sfree (data->data_sources);
}
{
ts_data_t *data;
int status;
- int i;
- data = (ts_data_t *) malloc (sizeof (*data));
+ data = calloc (1, sizeof (*data));
if (data == NULL)
{
- ERROR ("ts_create: malloc failed.");
+ ERROR ("ts_create: calloc failed.");
return (-ENOMEM);
}
- memset (data, 0, sizeof (*data));
data->factor = NAN;
data->offset = NAN;
status = 0;
- for (i = 0; i < ci->children_num; i++)
+ for (int i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
notification_meta_t __attribute__((unused)) **meta, void **user_data)
{
ts_data_t *data;
- int i;
if ((ds == NULL) || (vl == NULL) || (user_data == NULL))
return (-EINVAL);
return (-EINVAL);
}
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
{
/* If we've got a list of data sources, is it in the list? */
if (data->data_sources) {
void module_register (void)
{
- target_proc_t tproc;
+ target_proc_t tproc = { 0 };
- memset (&tproc, 0, sizeof (tproc));
tproc.create = ts_create;
tproc.destroy = ts_destroy;
tproc.invoke = ts_invoke;
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