/**
* collectd - src/dbi.c
- * Copyright (C) 2008-2013 Florian octo Forster
+ * Copyright (C) 2008-2015 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 collectd.org>
#include <dbi/dbi.h>
+/* libdbi 0.9.0 introduced a new thread-safe interface and marked the old
+ * functions "deprecated". These macros convert the new functions to their old
+ * counterparts for backwards compatibility. */
+#if !defined(LIBDBI_VERSION) || (LIBDBI_VERSION < 900)
+# define HAVE_LEGACY_LIBDBI 1
+# define dbi_initialize_r(a,inst) dbi_initialize(a)
+# define dbi_shutdown_r(inst) dbi_shutdown()
+# define dbi_set_verbosity_r(a,inst) dbi_set_verbosity(a)
+# define dbi_driver_list_r(a,inst) dbi_driver_list(a)
+# define dbi_driver_open_r(a,inst) dbi_driver_open(a)
+#endif
+
/*
* Data types
*/
/*
* Global variables
*/
+#if !defined(HAVE_LEGACY_LIBDBI) || !HAVE_LEGACY_LIBDBI
+static dbi_inst dbi_instance = 0;
+#endif
static udb_query_t **queries = NULL;
static size_t queries_num = 0;
static cdbi_database_t **databases = NULL;
static size_t databases_num = 0;
+static int cdbi_read_database (user_data_t *ud);
+
/*
* Functions
*/
}
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) */
return (-1);
}
- status = dbi_initialize (NULL);
+ status = dbi_initialize_r (/* driverdir = */ NULL, &dbi_instance);
if (status < 0)
{
- ERROR ("dbi plugin: cdbi_init: dbi_initialize failed with status %i.",
+ ERROR ("dbi plugin: cdbi_init: dbi_initialize_r failed with status %i.",
status);
return (-1);
}
else if (status == 0)
{
- ERROR ("dbi plugin: `dbi_initialize' could not load any drivers. Please "
+ ERROR ("dbi plugin: `dbi_initialize_r' could not load any drivers. Please "
"install at least one `DBD' or check your installation.");
return (-1);
}
- DEBUG ("dbi plugin: cdbi_init: dbi_initialize reports %i driver%s.",
+ DEBUG ("dbi plugin: cdbi_init: dbi_initialize_r reports %i driver%s.",
status, (status == 1) ? "" : "s");
return (0);
db->connection = NULL;
}
- driver = dbi_driver_open (db->driver);
+ driver = dbi_driver_open_r (db->driver, dbi_instance);
if (driver == NULL)
{
- ERROR ("dbi plugin: cdbi_connect_database: dbi_driver_open (%s) failed.",
+ ERROR ("dbi plugin: cdbi_connect_database: dbi_driver_open_r (%s) failed.",
db->driver);
INFO ("dbi plugin: Maybe the driver isn't installed? "
"Known drivers are:");
- for (driver = dbi_driver_list (NULL);
+ for (driver = dbi_driver_list_r (NULL, dbi_instance);
driver != NULL;
- driver = dbi_driver_list (driver))
+ driver = dbi_driver_list_r (driver, dbi_instance))
{
INFO ("dbi plugin: * %s", dbi_driver_get_name (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 */