/**
* collectd - src/rrdcached.c
- * Copyright (C) 2008 Florian octo Forster
+ * Copyright (C) 2008-2012 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
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
**/
#include "collectd.h"
*/
static char *datadir = NULL;
static char *daemon_address = NULL;
-static int config_create_files = 1;
-static int config_collect_stats = 1;
+static _Bool config_create_files = 1;
+static _Bool config_collect_stats = 1;
static rrdcreate_config_t rrdcreate_config =
{
/* stepsize = */ 0,
/* timespans_num = */ 0,
/* consolidation_functions = */ NULL,
- /* consolidation_functions_num = */ 0
+ /* consolidation_functions_num = */ 0,
+
+ /* async = */ 0
};
+/*
+ * Prototypes.
+ */
+static int rc_write (const data_set_t *ds, const value_list_t *vl,
+ user_data_t __attribute__((unused)) *user_data);
+static int rc_flush (__attribute__((unused)) cdtime_t timeout,
+ const char *identifier, __attribute__((unused)) user_data_t *ud);
+
static int value_list_to_string (char *buffer, int buffer_len,
const data_set_t *ds, const value_list_t *vl)
{
return (0);
} /* int value_list_to_filename */
-static const char *config_get_string (oconfig_item_t *ci)
+static int rc_config_get_int_positive (oconfig_item_t const *ci, int *ret)
{
- if ((ci->children_num != 0) || (ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ int status;
+ int tmp = 0;
+
+ status = cf_util_get_int (ci, &tmp);
+ if (status != 0)
+ return (status);
+ if (tmp < 0)
+ return (EINVAL);
+
+ *ret = tmp;
+ return (0);
+} /* int rc_config_get_int_positive */
+
+static int rc_config_get_xff (oconfig_item_t const *ci, double *ret)
+{
+ double value;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
+ {
+ ERROR ("rrdcached plugin: The \"%s\" needs exactly one numeric argument "
+ "in the range [0.0, 1.0)", ci->key);
+ return (EINVAL);
+ }
+
+ value = ci->values[0].value.number;
+ if ((value >= 0.0) && (value < 1.0))
{
- ERROR ("rrdcached plugin: %s expects a single string argument.",
- ci->key);
- return (NULL);
+ *ret = value;
+ return (0);
}
- return (ci->values[0].value.string);
-} /* const char *config_get_string */
+ ERROR ("rrdcached plugin: The \"%s\" needs exactly one numeric argument "
+ "in the range [0.0, 1.0)", ci->key);
+ return (EINVAL);
+} /* int rc_config_get_xff */
+
+static int rc_config_add_timespan (int timespan)
+{
+ int *tmp;
+
+ if (timespan <= 0)
+ return (EINVAL);
+
+ tmp = realloc (rrdcreate_config.timespans,
+ sizeof (*rrdcreate_config.timespans)
+ * (rrdcreate_config.timespans_num + 1));
+ if (tmp == NULL)
+ return (ENOMEM);
+ rrdcreate_config.timespans = tmp;
+
+ rrdcreate_config.timespans[rrdcreate_config.timespans_num] = timespan;
+ rrdcreate_config.timespans_num++;
+
+ return (0);
+} /* int rc_config_add_timespan */
static int rc_config (oconfig_item_t *ci)
{
int i;
- for (i = 0; i < ci->children_num; ++i) {
- const char *key = ci->children[i].key;
- const char *value = config_get_string (ci->children + i);
-
- if (value == NULL) /* config_get_strings prints error message */
- continue;
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t const *child = ci->children + i;
+ const char *key = child->key;
+ int status = 0;
if (strcasecmp ("DataDir", key) == 0)
{
- if (datadir != NULL)
- free (datadir);
- datadir = strdup (value);
- if (datadir != NULL)
+ status = cf_util_get_string (child, &datadir);
+ if (status == 0)
{
int len = strlen (datadir);
+
while ((len > 0) && (datadir[len - 1] == '/'))
{
len--;
- datadir[len] = '\0';
+ datadir[len] = 0;
}
+
if (len <= 0)
- {
- free (datadir);
- datadir = NULL;
- }
+ sfree (datadir);
}
}
else if (strcasecmp ("DaemonAddress", key) == 0)
- {
- sfree (daemon_address);
- daemon_address = strdup (value);
- if (daemon_address == NULL)
- {
- ERROR ("rrdcached plugin: strdup failed.");
- continue;
- }
- }
+ status = cf_util_get_string (child, &daemon_address);
else if (strcasecmp ("CreateFiles", key) == 0)
+ status = cf_util_get_boolean (child, &config_create_files);
+ else if (strcasecmp ("CreateFilesAsync", key) == 0)
+ status = cf_util_get_boolean (child, &rrdcreate_config.async);
+ else if (strcasecmp ("CollectStatistics", key) == 0)
+ status = cf_util_get_boolean (child, &config_collect_stats);
+ else if (strcasecmp ("StepSize", key) == 0)
{
- if (IS_FALSE (value))
- config_create_files = 0;
- else
- config_create_files = 1;
+ int tmp = -1;
+
+ status = rc_config_get_int_positive (child, &tmp);
+ if (status == 0)
+ rrdcreate_config.stepsize = (unsigned long) tmp;
}
- else if (strcasecmp ("CollectStatistics", key) == 0)
+ else if (strcasecmp ("HeartBeat", key) == 0)
+ status = rc_config_get_int_positive (child, &rrdcreate_config.heartbeat);
+ else if (strcasecmp ("RRARows", key) == 0)
+ status = rc_config_get_int_positive (child, &rrdcreate_config.rrarows);
+ else if (strcasecmp ("RRATimespan", key) == 0)
{
- if (IS_FALSE (value))
- config_collect_stats = 0;
- else
- config_collect_stats = 1;
+ int tmp = -1;
+ status = rc_config_get_int_positive (child, &tmp);
+ if (status == 0)
+ status = rc_config_add_timespan (tmp);
}
+ else if (strcasecmp ("XFF", key) == 0)
+ status = rc_config_get_xff (child, &rrdcreate_config.xff);
else
{
WARNING ("rrdcached plugin: Ignoring invalid option %s.", key);
continue;
}
+
+ if (status != 0)
+ WARNING ("rrdcached plugin: Handling the \"%s\" option failed.", key);
+ }
+
+ if (daemon_address != NULL)
+ {
+ plugin_register_write ("rrdcached", rc_write, /* user_data = */ NULL);
+ plugin_register_flush ("rrdcached", rc_flush, /* user_data = */ NULL);
}
return (0);
} /* int rc_config */
if (daemon_address == NULL)
return (-1);
- if (config_collect_stats == 0)
+ if (!config_collect_stats)
return (-1);
vl.values = values;
static int rc_init (void)
{
- if (config_collect_stats != 0)
+ if (config_collect_stats)
plugin_register_read ("rrdcached", rc_read);
return (0);
values_array[0] = values;
values_array[1] = NULL;
- if (config_create_files != 0)
+ if (config_create_files)
{
struct stat statbuf;
{
plugin_register_complex_config ("rrdcached", rc_config);
plugin_register_init ("rrdcached", rc_init);
- plugin_register_write ("rrdcached", rc_write, /* user_data = */ NULL);
- plugin_register_flush ("rrdcached", rc_flush, /* user_data = */ NULL);
plugin_register_shutdown ("rrdcached", rc_shutdown);
} /* void module_register */
projects / collectd.git / blobdiff