/**
* collectd - src/match_regex.c
- * Copyright (C) 2008 Sebastian Harl
- * Copyright (C) 2008 Florian Forster
+ * Copyright (C) 2008 Sebastian Harl
+ * Copyright (C) 2008 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:
* Sebastian Harl <sh at tokkee.org>
- * Florian Forster <octo at verplant.org>
+ * Florian Forster <octo at collectd.org>
**/
/*
*/
#include "collectd.h"
+
#include "filter_chain.h"
#include <sys/types.h>
mr_regex_t *plugin_instance;
mr_regex_t *type;
mr_regex_t *type_instance;
+ _Bool invert;
};
/*
static int mr_match_regexen (mr_regex_t *re_head, /* {{{ */
const char *string)
{
- mr_regex_t *re;
-
if (re_head == NULL)
return (FC_MATCH_MATCHES);
- for (re = re_head; re != NULL; re = re->next)
+ for (mr_regex_t *re = re_head; re != NULL; re = re->next)
{
int status;
{
DEBUG ("regex match: Regular expression `%s' matches `%s'.",
re->re_str, string);
- return (FC_MATCH_MATCHES);
}
else
{
DEBUG ("regex match: Regular expression `%s' does not match `%s'.",
re->re_str, string);
+ return (FC_MATCH_NO_MATCH);
}
}
- return (FC_MATCH_NO_MATCH);
+ return (FC_MATCH_MATCHES);
} /* }}} int mr_match_regexen */
static int mr_config_add_regex (mr_regex_t **re_head, /* {{{ */
return (-1);
}
- re = (mr_regex_t *) malloc (sizeof (*re));
+ re = calloc (1, sizeof (*re));
if (re == NULL)
{
- log_err ("mr_config_add_regex: malloc failed.");
+ log_err ("mr_config_add_regex: calloc failed.");
return (-1);
}
- memset (re, 0, sizeof (*re));
re->next = NULL;
re->re_str = strdup (ci->values[0].value.string);
char errmsg[1024];
regerror (status, &re->re, errmsg, sizeof (errmsg));
errmsg[sizeof (errmsg) - 1] = 0;
- log_err ("Compiling regex `%s' for `%s' failed: %s.",
+ log_err ("Compiling regex `%s' for `%s' failed: %s.",
re->re_str, ci->key, errmsg);
free (re->re_str);
free (re);
{
mr_match_t *m;
int status;
- int i;
- m = (mr_match_t *) malloc (sizeof (*m));
+ m = calloc (1, sizeof (*m));
if (m == NULL)
{
- log_err ("mr_create: malloc failed.");
+ log_err ("mr_create: calloc failed.");
return (-ENOMEM);
}
- memset (m, 0, sizeof (*m));
+
+ m->invert = 0;
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;
status = mr_config_add_regex (&m->type, child);
else if (strcasecmp ("TypeInstance", child->key) == 0)
status = mr_config_add_regex (&m->type_instance, child);
+ else if (strcasecmp ("Invert", child->key) == 0)
+ status = cf_util_get_boolean(child, &m->invert);
else
{
log_err ("The `%s' configuration option is not understood and "
return (0);
} /* }}} int mr_destroy */
-static int mr_match (const data_set_t *ds, const value_list_t *vl, /* {{{ */
- notification_meta_t **meta, void **user_data)
+static int mr_match (const data_set_t __attribute__((unused)) *ds, /* {{{ */
+ const value_list_t *vl,
+ notification_meta_t __attribute__((unused)) **meta,
+ void **user_data)
{
mr_match_t *m;
+ int match_value = FC_MATCH_MATCHES;
+ int nomatch_value = FC_MATCH_NO_MATCH;
if ((user_data == NULL) || (*user_data == NULL))
return (-1);
m = *user_data;
+ if (m->invert)
+ {
+ match_value = FC_MATCH_NO_MATCH;
+ nomatch_value = FC_MATCH_MATCHES;
+ }
+
if (mr_match_regexen (m->host, vl->host) == FC_MATCH_NO_MATCH)
- return (FC_MATCH_NO_MATCH);
+ return (nomatch_value);
if (mr_match_regexen (m->plugin, vl->plugin) == FC_MATCH_NO_MATCH)
- return (FC_MATCH_NO_MATCH);
+ return (nomatch_value);
if (mr_match_regexen (m->plugin_instance,
vl->plugin_instance) == FC_MATCH_NO_MATCH)
- return (FC_MATCH_NO_MATCH);
+ return (nomatch_value);
if (mr_match_regexen (m->type, vl->type) == FC_MATCH_NO_MATCH)
- return (FC_MATCH_NO_MATCH);
+ return (nomatch_value);
if (mr_match_regexen (m->type_instance,
vl->type_instance) == FC_MATCH_NO_MATCH)
- return (FC_MATCH_NO_MATCH);
+ return (nomatch_value);
- return (FC_MATCH_MATCHES);
+ return (match_value);
} /* }}} int mr_match */
void module_register (void)
{
- match_proc_t mproc;
+ match_proc_t mproc = { 0 };
- memset (&mproc, 0, sizeof (mproc));
mproc.create = mr_create;
mproc.destroy = mr_destroy;
mproc.match = mr_match;