/**
* collectd - src/match_empty_counter.c
- * Copyright (C) 2009 Florian Forster
+ * Copyright (C) 2009-2016 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 "utils_cache.h"
#include "filter_chain.h"
/*
- * private data types
- */
-struct mec_match_s;
-typedef struct mec_match_s mec_match_t;
-struct mec_match_s
-{
- int dummy;
-};
-
-/*
* internal helper functions
*/
-static int mec_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
+static int mec_create(const oconfig_item_t *ci, void **user_data) /* {{{ */
{
- mec_match_t *m;
-
- m = (mec_match_t *) malloc (sizeof (*m));
- if (m == NULL)
- {
- ERROR ("mec_create: malloc failed.");
- return (-ENOMEM);
- }
- memset (m, 0, sizeof (*m));
-
- if (ci->children_num != 0)
- {
- ERROR ("empty_counter match: This match does not take any additional "
- "configuration.");
+ if (ci->children_num != 0) {
+ ERROR("empty_counter match: This match does not take any additional "
+ "configuration.");
}
- *user_data = m;
- return (0);
+ *user_data = NULL;
+ return 0;
} /* }}} int mec_create */
-static int mec_destroy (void **user_data) /* {{{ */
+static int mec_destroy(__attribute__((unused)) void **user_data) /* {{{ */
{
- if (user_data != NULL)
- {
- sfree (*user_data);
- }
-
- return (0);
+ return 0;
} /* }}} int mec_destroy */
-static int mec_match (const data_set_t __attribute__((unused)) *ds, /* {{{ */
- const value_list_t *vl,
- notification_meta_t __attribute__((unused)) **meta, void **user_data)
-{
- int num_counters;
- int num_empty;
- int i;
-
- if ((user_data == NULL) || (*user_data == NULL))
- return (-1);
-
-
- num_counters = 0;
- num_empty = 0;
+static int mec_match(__attribute__((unused)) const data_set_t *ds, /* {{{ */
+ const value_list_t *vl,
+ __attribute__((unused)) notification_meta_t **meta,
+ __attribute__((unused)) void **user_data) {
+ int num_counters = 0;
+ int num_empty = 0;
- for (i = 0; i < ds->ds_num; i++)
- {
- if (ds->ds[i].type != DS_TYPE_COUNTER)
+ for (size_t i = 0; i < ds->ds_num; i++) {
+ if ((ds->ds[i].type != DS_TYPE_DERIVE) &&
+ (ds->ds[i].type != DS_TYPE_COUNTER))
continue;
num_counters++;
- if (vl->values[i].counter == 0)
+ if (((ds->ds[i].type == DS_TYPE_DERIVE) && (vl->values[i].derive == 0)) ||
+ ((ds->ds[i].type == DS_TYPE_COUNTER) && (vl->values[i].counter == 0)))
num_empty++;
}
- if (num_counters == 0)
- return (FC_MATCH_NO_MATCH);
- else if (num_counters == num_empty)
- return (FC_MATCH_MATCHES);
- else
- return (FC_MATCH_NO_MATCH);
-} /* }}} int mec_match */
+ if ((num_counters != 0) && (num_counters == num_empty))
+ return FC_MATCH_MATCHES;
-void module_register (void)
-{
- match_proc_t mproc;
+ return FC_MATCH_NO_MATCH;
+} /* }}} int mec_match */
- memset (&mproc, 0, sizeof (mproc));
- mproc.create = mec_create;
- mproc.destroy = mec_destroy;
- mproc.match = mec_match;
- fc_register_match ("empty_counter", mproc);
+void module_register(void) {
+ fc_register_match(
+ "empty_counter",
+ (match_proc_t){
+ .create = mec_create, .destroy = mec_destroy, .match = mec_match,
+ });
} /* module_register */
-
-/* vim: set sw=2 sts=2 tw=78 et fdm=marker : */
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