/* Configuration handling functions {{{
*
* <Plugin mysql>
* <Database "plugin_instance1">
* Host "localhost"
* Port 22000
* ...
* </Database>
* </Plugin>
*/
static int mysql_config_database (oconfig_item_t *ci) /* {{{ */
{
mysql_database_t *db;
int status = 0;
int i;
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_STRING))
{
WARNING ("mysql plugin: The `Database' block "
"needs exactly one string argument.");
return (-1);
}
db = (mysql_database_t *) malloc (sizeof (*db));
if (db == NULL)
{
ERROR ("mysql plugin: malloc failed.");
return (-1);
}
memset (db, 0, sizeof (*db));
/* initialize all the pointers */
db->host = NULL;
db->user = NULL;
db->pass = NULL;
db->database = NULL;
db->socket = NULL;
db->con = NULL;
/* trigger a notification, if it's not running */
db->slave_io_running = 1;
db->slave_sql_running = 1;
status = cf_util_get_string (ci, &db->instance);
if (status != 0)
{
sfree (db);
return (status);
}
assert (db->instance != NULL);
/* Fill the `mysql_database_t' structure.. */
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Host", child->key) == 0)
status = cf_util_get_string (child, &db->host);
else if (strcasecmp ("User", child->key) == 0)
status = cf_util_get_string (child, &db->user);
else if (strcasecmp ("Password", child->key) == 0)
status = cf_util_get_string (child, &db->pass);
else if (strcasecmp ("Port", child->key) == 0)
{
status = cf_util_get_port_number (child);
if (status > 0)
{
db->port = status;
status = 0;
}
}
else if (strcasecmp ("Socket", child->key) == 0)
status = cf_util_get_string (child, &db->socket);
else if (strcasecmp ("Database", child->key) == 0)
status = cf_util_get_string (child, &db->database);
else if (strcasecmp ("MasterStats", child->key) == 0)
status = cf_util_get_boolean (child, &db->master_stats);
else if (strcasecmp ("SlaveStats", child->key) == 0)
status = cf_util_get_boolean (child, &db->slave_stats);
else if (strcasecmp ("SlaveNotifications", child->key) == 0)
status = cf_util_get_boolean (child, &db->slave_notif);
else
{
WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
if (status != 0)
break;
}
/* If all went well, register this database for reading */
if (status == 0)
{
user_data_t ud;
char cb_name[DATA_MAX_NAME_LEN];
DEBUG ("mysql plugin: Registering new read callback: %s",
(db->database != NULL) ? db->database : "<default>");
memset (&ud, 0, sizeof (ud));
ud.data = (void *) db;
ud.free_func = mysql_database_free;
if (db->instance != NULL)
ssnprintf (cb_name, sizeof (cb_name), "mysql-%s",
db->instance);
else
sstrncpy (cb_name, "mysql", sizeof (cb_name));
plugin_register_complex_read (/* group = */ NULL, cb_name,
mysql_read,
/* interval = */ NULL, &ud);
}
else
{
mysql_database_free (db);
return (-1);
}
return (0);
} /* }}} int mysql_config_database */
static int mysql_config (oconfig_item_t *ci) /* {{{ */
{
mysql_database_t *db;
int plugin_block;
int status = 0;
int i;
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_STRING))
{
WARNING ("mysql plugin: The `Database' block "
"needs exactly one string argument.");
return (-1);
}
db = (mysql_database_t *) malloc (sizeof (*db));
if (db == NULL)
{
ERROR ("mysql plugin: malloc failed.");
return (-1);
}
memset (db, 0, sizeof (*db));
/* initialize all the pointers */
db->host = NULL;
db->user = NULL;
db->pass = NULL;
db->database = NULL;
db->socket = NULL;
db->con = NULL;
/* trigger a notification, if it's not running */
db->slave_io_running = 1;
db->slave_sql_running = 1;
plugin_block = 1;
if (strcasecmp ("Plugin", ci->key) == 0)
{
db->instance = NULL;
}
else if (strcasecmp ("Database", ci->key) == 0)
{
plugin_block = 0;
status = mysql_config_set_string (&db->instance, ci);
if (status != 0)
{
sfree (db);
return (status);
}
assert (db->instance != NULL);
}
else
{
ERROR ("mysql plugin: mysql_config: "
"Invalid key: %s", ci->key);
return (-1);
}
/* Fill the `mysql_database_t' structure.. */
for (i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Host", child->key) == 0)
status = mysql_config_set_string (&db->host, child);
else if (strcasecmp ("User", child->key) == 0)
status = mysql_config_set_string (&db->user, child);
else if (strcasecmp ("Password", child->key) == 0)
status = mysql_config_set_string (&db->pass, child);
else if (strcasecmp ("Port", child->key) == 0)
status = mysql_config_set_int (&db->port, child);
else if (strcasecmp ("Socket", child->key) == 0)
status = mysql_config_set_string (&db->socket, child);
/* Check if we're currently handling the `Plugin' block. If so,
* handle `Database' _blocks_, too. */
else if ((plugin_block != 0)
&& (strcasecmp ("Database", child->key) == 0)
&& (child->children != NULL))
{
/* If `plugin_block > 1', there has been at least one
* `Database' block */
plugin_block++;
status = mysql_config (child);
}
/* Now handle ordinary `Database' options (without children) */
else if ((strcasecmp ("Database", child->key) == 0)
&& (child->children == NULL))
status = mysql_config_set_string (&db->database, child);
else if (strcasecmp ("MasterStats", child->key) == 0)
status = mysql_config_set_boolean (&db->master_stats, child);
else if (strcasecmp ("SlaveStats", child->key) == 0)
status = mysql_config_set_boolean (&db->slave_stats, child);
else if (strcasecmp ("SlaveNotifications", child->key) == 0)
status = mysql_config_set_boolean (&db->slave_notif, child);
else
{
WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
status = -1;
}
if (status != 0)
break;
}
/* Check if there were any `Database' blocks. */
if (plugin_block > 1)
{
/* There were connection blocks. Don't use any legacy stuff. */
if ((db->host != NULL)
|| (db->user != NULL)
|| (db->pass != NULL)
|| (db->database != NULL)
|| (db->socket != NULL)
|| (db->port != 0))
{
WARNING ("mysql plugin: At least one <Database> "
"block has been found. The legacy "
"configuration will be ignored.");
}
mysql_database_free (db);
return (0);
}
else if (plugin_block != 0)
{
WARNING ("mysql plugin: You're using the legacy "
"configuration options. Please consider "
"updating your configuration!");
}
/* Check that all necessary options have been given. */
while (status == 0)
{
/* Zero is allowed and automatically handled by
* `mysql_real_connect'. */
if ((db->port < 0) || (db->port > 65535))
{
ERROR ("mysql plugin: Database %s: Port number out "
"of range: %i",
(db->instance != NULL)
? db->instance
: "<legacy>",
db->port);
status = -1;
}
break;
} /* while (status == 0) */
/* If all went well, register this database for reading */
if (status == 0)
{
user_data_t ud;
char cb_name[DATA_MAX_NAME_LEN];
DEBUG ("mysql plugin: Registering new read callback: %s",
(db->database != NULL) ? db->database : "<default>");
memset (&ud, 0, sizeof (ud));
ud.data = (void *) db;
ud.free_func = mysql_database_free;
if (db->database != NULL)
ssnprintf (cb_name, sizeof (cb_name), "mysql-%s",
db->database);
else
sstrncpy (cb_name, "mysql", sizeof (cb_name));
plugin_register_complex_read (cb_name, mysql_read,
/* interval = */ NULL, &ud);
}
else
{
mysql_database_free (db);
return (-1);
}
return (0);
} /* }}} int mysql_config */
