/**
* collectd - src/dbi.c
- * Copyright (C) 2008,2009 Florian octo Forster
+ * Copyright (C) 2008-2013 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>
**/
#include "collectd.h"
struct cdbi_driver_option_s /* {{{ */
{
char *key;
- char *value;
+ union
+ {
+ char *string;
+ int numeric;
+ } value;
+ _Bool is_numeric;
};
typedef struct cdbi_driver_option_s cdbi_driver_option_t; /* }}} */
char *select_db;
char *driver;
+ char *host;
cdbi_driver_option_t *driver_options;
size_t driver_options_num;
static cdbi_database_t **databases = NULL;
static size_t databases_num = 0;
+static int cdbi_read_database (user_data_t *ud);
+
/*
* Functions
*/
for (i = 0; i < db->driver_options_num; i++)
{
sfree (db->driver_options[i].key);
- sfree (db->driver_options[i].value);
+ if (!db->driver_options[i].is_numeric)
+ sfree (db->driver_options[i].value.string);
}
sfree (db->driver_options);
* </Plugin>
*/
-static int cdbi_config_set_string (char **ret_string, /* {{{ */
- oconfig_item_t *ci)
-{
- char *string;
-
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("dbi plugin: The `%s' config option "
- "needs exactly one string argument.", ci->key);
- return (-1);
- }
-
- string = strdup (ci->values[0].value.string);
- if (string == NULL)
- {
- ERROR ("dbi plugin: strdup failed.");
- return (-1);
- }
-
- if (*ret_string != NULL)
- free (*ret_string);
- *ret_string = string;
-
- return (0);
-} /* }}} int cdbi_config_set_string */
-
static int cdbi_config_add_database_driver_option (cdbi_database_t *db, /* {{{ */
oconfig_item_t *ci)
{
if ((ci->values_num != 2)
|| (ci->values[0].type != OCONFIG_TYPE_STRING)
- || (ci->values[1].type != OCONFIG_TYPE_STRING))
+ || ((ci->values[1].type != OCONFIG_TYPE_STRING)
+ && (ci->values[1].type != OCONFIG_TYPE_NUMBER)))
{
WARNING ("dbi plugin: The `DriverOption' config option "
- "needs exactly two string arguments.");
+ "needs exactly two arguments.");
return (-1);
}
db->driver_options = option;
option = db->driver_options + db->driver_options_num;
+ memset (option, 0, sizeof (*option));
option->key = strdup (ci->values[0].value.string);
if (option->key == NULL)
return (-1);
}
- option->value = strdup (ci->values[1].value.string);
- if (option->value == NULL)
+ if (ci->values[1].type == OCONFIG_TYPE_STRING)
{
- ERROR ("dbi plugin: strdup failed.");
- sfree (option->key);
- return (-1);
+ option->value.string = strdup (ci->values[1].value.string);
+ if (option->value.string == NULL)
+ {
+ ERROR ("dbi plugin: strdup failed.");
+ sfree (option->key);
+ return (-1);
+ }
+ }
+ else
+ {
+ assert (ci->values[1].type == OCONFIG_TYPE_NUMBER);
+ option->value.numeric = (int) (ci->values[1].value.number + .5);
+ option->is_numeric = 1;
}
db->driver_options_num++;
}
memset (db, 0, sizeof (*db));
- status = cdbi_config_set_string (&db->name, ci);
+ status = cf_util_get_string (ci, &db->name);
if (status != 0)
{
sfree (db);
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Driver", child->key) == 0)
- status = cdbi_config_set_string (&db->driver, child);
+ status = cf_util_get_string (child, &db->driver);
else if (strcasecmp ("DriverOption", child->key) == 0)
status = cdbi_config_add_database_driver_option (db, child);
else if (strcasecmp ("SelectDB", child->key) == 0)
- status = cdbi_config_set_string (&db->select_db, child);
+ status = cf_util_get_string (child, &db->select_db);
else if (strcasecmp ("Query", child->key) == 0)
status = udb_query_pick_from_list (child, queries, queries_num,
&db->queries, &db->queries_num);
+ else if (strcasecmp ("Host", child->key) == 0)
+ status = cf_util_get_string (child, &db->host);
else
{
WARNING ("dbi plugin: Option `%s' not allowed here.", child->key);
}
else
{
+ user_data_t ud;
+ char *name = NULL;
+
databases = temp;
databases[databases_num] = db;
databases_num++;
+
+ memset (&ud, 0, sizeof (ud));
+ ud.data = (void *) db;
+ ud.free_func = NULL;
+ name = ssnprintf_alloc("dbi:%s", db->name);
+
+ plugin_register_complex_read (/* group = */ NULL,
+ /* name = */ name ? name : db->name,
+ /* callback = */ cdbi_read_database,
+ /* interval = */ NULL,
+ /* user_data = */ &ud);
+ free (name);
}
}
cdbi_config_add_database (child);
else
{
- WARNING ("snmp plugin: Ignoring unknown config option `%s'.", child->key);
+ WARNING ("dbi plugin: Ignoring unknown config option `%s'.", child->key);
}
} /* for (ci->children) */
sstrncpy (column_names[i], column_name, DATA_MAX_NAME_LEN);
} /* }}} for (i = 0; i < column_num; i++) */
- udb_query_prepare_result (q, prep_area, hostname_g,
+ udb_query_prepare_result (q, prep_area, (db->host ? db->host : hostname_g),
/* plugin = */ "dbi", db->name,
- column_names, column_num, /* interval = */ -1);
+ column_names, column_num, /* interval = */ 0);
/* 0 = error; 1 = success; */
status = dbi_result_first_row (res); /* {{{ */
* trouble finding out how to configure the plugin correctly.. */
for (i = 0; i < db->driver_options_num; i++)
{
- DEBUG ("dbi plugin: cdbi_connect_database (%s): "
- "key = %s; value = %s;",
- db->name,
- db->driver_options[i].key,
- db->driver_options[i].value);
+ if (db->driver_options[i].is_numeric)
+ {
+ status = dbi_conn_set_option_numeric (connection,
+ db->driver_options[i].key, db->driver_options[i].value.numeric);
+ if (status != 0)
+ {
+ char errbuf[1024];
+ ERROR ("dbi plugin: cdbi_connect_database (%s): "
+ "dbi_conn_set_option_numeric (\"%s\", %i) failed: %s.",
+ db->name,
+ db->driver_options[i].key, db->driver_options[i].value.numeric,
+ cdbi_strerror (connection, errbuf, sizeof (errbuf)));
+ }
+ }
+ else
+ {
+ status = dbi_conn_set_option (connection,
+ db->driver_options[i].key, db->driver_options[i].value.string);
+ if (status != 0)
+ {
+ char errbuf[1024];
+ ERROR ("dbi plugin: cdbi_connect_database (%s): "
+ "dbi_conn_set_option (\"%s\", \"%s\") failed: %s.",
+ db->name,
+ db->driver_options[i].key, db->driver_options[i].value.string,
+ cdbi_strerror (connection, errbuf, sizeof (errbuf)));
+ }
+ }
- status = dbi_conn_set_option (connection,
- db->driver_options[i].key, db->driver_options[i].value);
if (status != 0)
{
- char errbuf[1024];
- const char *opt;
-
- ERROR ("dbi plugin: cdbi_connect_database (%s): "
- "dbi_conn_set_option (%s, %s) failed: %s.",
- db->name,
- db->driver_options[i].key, db->driver_options[i].value,
- cdbi_strerror (connection, errbuf, sizeof (errbuf)));
+ char const *opt;
INFO ("dbi plugin: This is a list of all options understood "
"by the `%s' driver:", db->driver);
return (0);
} /* }}} int cdbi_connect_database */
-static int cdbi_read_database (cdbi_database_t *db) /* {{{ */
+static int cdbi_read_database (user_data_t *ud) /* {{{ */
{
+ cdbi_database_t *db = (cdbi_database_t *) ud->data;
size_t i;
int success;
int status;
return (0);
} /* }}} int cdbi_read_database */
-static int cdbi_read (void) /* {{{ */
-{
- size_t i;
- int success = 0;
- int status;
-
- for (i = 0; i < databases_num; i++)
- {
- status = cdbi_read_database (databases[i]);
- if (status == 0)
- success++;
- }
-
- if (success == 0)
- {
- ERROR ("dbi plugin: No database could be read. Will return an error so "
- "the plugin will be delayed.");
- return (-1);
- }
-
- return (0);
-} /* }}} int cdbi_read */
-
static int cdbi_shutdown (void) /* {{{ */
{
size_t i;
{
plugin_register_complex_config ("dbi", cdbi_config);
plugin_register_init ("dbi", cdbi_init);
- plugin_register_read ("dbi", cdbi_read);
plugin_register_shutdown ("dbi", cdbi_shutdown);
} /* }}} void module_register */
projects / collectd.git / blobdiff