/**
- * collectd - src/filter_chain.h
- * Copyright (C) 2008,2009 Florian octo Forster
+ * collectd - src/filter_chain.c
+ * Copyright (C) 2008-2010 Florian octo 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 octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
**/
-/*
- * First tell the compiler to stick to the C99 and POSIX standards as close as
- * possible.
- */
-#ifndef __STRICT_ANSI__ /* {{{ */
-# define __STRICT_ANSI__
-#endif
-
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-
-#ifdef _POSIX_C_SOURCE
-# undef _POSIX_C_SOURCE
-#endif
-#define _POSIX_C_SOURCE 200112L
-
-#ifdef _XOPEN_SOURCE
-# undef _XOPEN_SOURCE
-#endif
-#define _XOPEN_SOURCE 600
-
-#ifndef _REENTRANT
-# define _REENTRANT
-#endif
-
-#ifndef _THREAD_SAFE
-# define _THREAD_SAFE
-#endif
-
-#ifdef _GNU_SOURCE
-# undef _GNU_SOURCE
-#endif
-/* }}} */
-
#include "collectd.h"
#include "configfile.h"
#include "plugin.h"
+#include "utils_complain.h"
#include "common.h"
#include "filter_chain.h"
(*m->proc.destroy) (&m->user_data);
else if (m->user_data != NULL)
{
- ERROR ("Filter sybsystem: fc_free_matches: There is user data, but no "
+ ERROR ("Filter subsystem: fc_free_matches: There is user data, but no "
"destroy functions has been specified. "
"Memory will probably be lost!");
}
(*t->proc.destroy) (&t->user_data);
else if (t->user_data != NULL)
{
- ERROR ("Filter sybsystem: fc_free_targets: There is user data, but no "
+ ERROR ("Filter subsystem: fc_free_targets: There is user data, but no "
"destroy functions has been specified. "
"Memory will probably be lost!");
}
*
* The configuration looks somewhat like this:
*
- * <Chain "main">
+ * <Chain "PreCache">
* <Rule>
* <Match "regex">
* Plugin "^mysql$"
static int fc_config_add_chain (const oconfig_item_t *ci) /* {{{ */
{
- fc_chain_t *chain;
+ fc_chain_t *chain = NULL;
int status = 0;
int i;
+ int new_chain = 1;
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_STRING))
return (-1);
}
- chain = (fc_chain_t *) malloc (sizeof (*chain));
+ if (chain_list_head != NULL)
+ {
+ if ((chain = fc_chain_get_by_name (ci->values[0].value.string)) != NULL)
+ new_chain = 0;
+ }
+
if (chain == NULL)
{
- ERROR ("fc_config_add_chain: malloc failed.");
- return (-1);
+ chain = (fc_chain_t *) malloc (sizeof (*chain));
+ if (chain == NULL)
+ {
+ ERROR ("fc_config_add_chain: malloc failed.");
+ return (-1);
+ }
+ memset (chain, 0, sizeof (*chain));
+ sstrncpy (chain->name, ci->values[0].value.string, sizeof (chain->name));
+ chain->rules = NULL;
+ chain->targets = NULL;
+ chain->next = NULL;
}
- memset (chain, 0, sizeof (*chain));
- sstrncpy (chain->name, ci->values[0].value.string, sizeof (chain->name));
- chain->rules = NULL;
- chain->targets = NULL;
- chain->next = NULL;
for (i = 0; i < ci->children_num; i++)
{
if (chain_list_head != NULL)
{
+ if (!new_chain)
+ return (0);
+
fc_chain_t *ptr;
ptr = chain_list_head;
if ((plugin_list == NULL) || (plugin_list[0] == NULL))
{
+ static c_complain_t enoent_complaint = C_COMPLAIN_INIT_STATIC;
+
status = plugin_write (/* plugin = */ NULL, ds, vl);
- if (status != 0)
+ if (status == ENOENT)
+ {
+ /* in most cases this is a permanent error, so use the complain
+ * mechanism rather than spamming the logs */
+ c_complain (LOG_INFO, &enoent_complaint,
+ "Filter subsystem: Built-in target `write': Dispatching value to "
+ "all write plugins failed with status %i (ENOENT). "
+ "Most likely this means you didn't load any write plugins.",
+ status);
+ }
+ else if (status != 0)
{
INFO ("Filter subsystem: Built-in target `write': Dispatching value to "
"all write plugins failed with status %i.", status);
}
+ else
+ {
+ assert (status == 0);
+ c_release (LOG_INFO, &enoent_complaint, "Filter subsystem: "
+ "Built-in target `write': Some write plugin is back to normal "
+ "operation. `write' succeeded.");
+ }
}
else
{
projects / collectd.git / blobdiff