#include <mysql/mysql.h>
#endif
-/* TODO: Understand `Select_*' and possibly do that stuff as well.. */
-
struct mysql_database_s /* {{{ */
{
char *instance;
+ char *alias;
char *host;
char *user;
char *pass;
char *database;
char *socket;
int port;
+ int timeout;
_Bool master_stats;
_Bool slave_stats;
+ _Bool innodb_stats;
_Bool slave_notif;
_Bool slave_io_running;
_Bool slave_sql_running;
MYSQL *con;
- int state;
+ _Bool is_connected;
};
typedef struct mysql_database_s mysql_database_t; /* }}} */
static int mysql_read (user_data_t *ud);
+void mysql_read_default_options(struct st_mysql_options *options,
+ const char *filename,const char *group);
+
static void mysql_database_free (void *arg) /* {{{ */
{
mysql_database_t *db;
if (db->con != NULL)
mysql_close (db->con);
+ sfree (db->alias);
sfree (db->host);
sfree (db->user);
sfree (db->pass);
memset (db, 0, sizeof (*db));
/* initialize all the pointers */
+ db->alias = NULL;
db->host = NULL;
db->user = NULL;
db->pass = NULL;
db->database = NULL;
db->socket = NULL;
db->con = NULL;
+ db->timeout = 0;
/* trigger a notification, if it's not running */
db->slave_io_running = 1;
{
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("Host", child->key) == 0)
+ if (strcasecmp ("Alias", child->key) == 0)
+ status = cf_util_get_string (child, &db->alias);
+ else 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);
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 ("ConnectTimeout", child->key) == 0)
+ status = cf_util_get_int (child, &db->timeout);
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 if (strcasecmp ("InnodbStats", child->key) == 0)
+ status = cf_util_get_boolean (child, &db->innodb_stats);
else
{
WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
static MYSQL *getconnection (mysql_database_t *db)
{
- if (db->state != 0)
+ if (db->is_connected)
{
- int err;
- if ((err = mysql_ping (db->con)) != 0)
- {
- /* Assured by "mysql_config_database" */
- assert (db->instance != NULL);
- WARNING ("mysql_ping failed for instance \"%s\": %s",
- db->instance,
- mysql_error (db->con));
- db->state = 0;
- }
- else
- {
- db->state = 1;
+ int status;
+
+ status = mysql_ping (db->con);
+ if (status == 0)
return (db->con);
- }
+
+ WARNING ("mysql plugin: Lost connection to instance \"%s\": %s",
+ db->instance, mysql_error (db->con));
}
+ db->is_connected = 0;
- if ((db->con = mysql_init (db->con)) == NULL)
+ if (db->con == NULL)
{
- ERROR ("mysql_init failed: %s", mysql_error (db->con));
- db->state = 0;
- return (NULL);
+ db->con = mysql_init (NULL);
+ if (db->con == NULL)
+ {
+ ERROR ("mysql plugin: mysql_init failed: %s",
+ mysql_error (db->con));
+ return (NULL);
+ }
}
+ /* Configure TCP connect timeout (default: 0) */
+ db->con->options.connect_timeout = db->timeout;
+
if (mysql_real_connect (db->con, db->host, db->user, db->pass,
db->database, db->port, db->socket, 0) == NULL)
{
(db->database != NULL) ? db->database : "<none>",
(db->host != NULL) ? db->host : "localhost",
mysql_error (db->con));
- db->state = 0;
return (NULL);
}
- else
- {
- INFO ("mysql plugin: Successfully connected to database %s "
- "at server %s (server version: %s, protocol version: %d)",
- (db->database != NULL) ? db->database : "<none>",
- mysql_get_host_info (db->con),
- mysql_get_server_info (db->con),
- mysql_get_proto_info (db->con));
- db->state = 1;
- return (db->con);
- }
+
+ INFO ("mysql plugin: Successfully connected to database %s "
+ "at server %s (server version: %s, protocol version: %d)",
+ (db->database != NULL) ? db->database : "<none>",
+ mysql_get_host_info (db->con),
+ mysql_get_server_info (db->con),
+ mysql_get_proto_info (db->con));
+
+ db->is_connected = 1;
+ return (db->con);
} /* static MYSQL *getconnection (mysql_database_t *db) */
static void set_host (mysql_database_t *db, char *buf, size_t buflen)
{
- if ((db->host == NULL)
+ if (db->alias)
+ sstrncpy (buf, db->alias, buflen);
+ else if ((db->host == NULL)
|| (strcmp ("", db->host) == 0)
+ || (strcmp ("127.0.0.1", db->host) == 0)
|| (strcmp ("localhost", db->host) == 0))
sstrncpy (buf, hostname_g, buflen);
else
{
ERROR ("mysql plugin: Failed to get master statistics: "
"`%s' did not return any rows.", query);
+ mysql_free_result (res);
return (-1);
}
{
ERROR ("mysql plugin: Failed to get master statistics: "
"`%s' returned less than two columns.", query);
+ mysql_free_result (res);
return (-1);
}
{
ERROR ("mysql plugin: Failed to get slave statistics: "
"`%s' did not return any rows.", query);
+ mysql_free_result (res);
return (-1);
}
{
ERROR ("mysql plugin: Failed to get slave statistics: "
"`%s' returned less than 33 columns.", query);
+ mysql_free_result (res);
return (-1);
}
ssnprintf (n.message, sizeof (n.message),
"slave SQL thread started");
plugin_dispatch_notification (&n);
- db->slave_sql_running = 0;
+ db->slave_sql_running = 1;
}
}
key + strlen ("Table_locks_"),
val, db);
}
+ else if (db->innodb_stats && strncmp (key, "Innodb_", strlen ("Innodb_")) == 0)
+ {
+ /* buffer pool */
+ if (strcmp (key, "Innodb_buffer_pool_pages_data") == 0)
+ gauge_submit ("mysql_bpool_pages", "data", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_dirty") == 0)
+ gauge_submit ("mysql_bpool_pages", "dirty", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_flushed") == 0)
+ counter_submit ("mysql_bpool_pages", "flushed", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_free") == 0)
+ gauge_submit ("mysql_bpool_pages", "free", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_misc") == 0)
+ gauge_submit ("mysql_bpool_pages", "misc", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_pages_total") == 0)
+ gauge_submit ("mysql_bpool_pages", "total", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead_rnd") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead_rnd", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_ahead_evicted") == 0)
+ counter_submit ("mysql_bpool_counters", "read_ahead_evicted", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_read_requests") == 0)
+ counter_submit ("mysql_bpool_counters", "read_requests", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_reads") == 0)
+ counter_submit ("mysql_bpool_counters", "reads", val, db);
+ else if (strcmp (key, "Innodb_buffer_pool_write_requests") == 0)
+ counter_submit ("mysql_bpool_counters", "write_requests", val, db);
+
+ /* data */
+ if (strcmp (key, "Innodb_data_fsyncs") == 0)
+ counter_submit ("mysql_innodb_data", "fsyncs", val, db);
+ else if (strcmp (key, "Innodb_data_read") == 0)
+ counter_submit ("mysql_innodb_data", "read", val, db);
+ else if (strcmp (key, "Innodb_data_reads") == 0)
+ counter_submit ("mysql_innodb_data", "reads", val, db);
+ else if (strcmp (key, "Innodb_data_writes") == 0)
+ counter_submit ("mysql_innodb_data", "writes", val, db);
+ else if (strcmp (key, "Innodb_data_written") == 0)
+ counter_submit ("mysql_innodb_data", "written", val, db);
+
+ /* double write */
+ else if (strcmp (key, "Innodb_dblwr_writes") == 0)
+ counter_submit ("mysql_innodb_dblwr", "writes", val, db);
+ else if (strcmp (key, "Innodb_dblwr_pages_written") == 0)
+ counter_submit ("mysql_innodb_dblwr", "written", val, db);
+
+ /* rows */
+ else if (strcmp (key, "Innodb_rows_deleted") == 0)
+ counter_submit ("mysql_innodb_rows", "deleted", val, db);
+ else if (strcmp (key, "Innodb_rows_inserted") == 0)
+ counter_submit ("mysql_innodb_rows", "inserted", val, db);
+ else if (strcmp (key, "Innodb_rows_read") == 0)
+ counter_submit ("mysql_innodb_rows", "read", val, db);
+ else if (strcmp (key, "Innodb_rows_updated") == 0)
+ counter_submit ("mysql_innodb_rows", "updated", val, db);
+ }
+ else if (strncmp (key, "Select_", strlen ("Select_")) == 0)
+ {
+ counter_submit ("mysql_select", key + strlen ("Select_"),
+ val, db);
+ }
+ else if (strncmp (key, "Sort_", strlen ("Sort_")) == 0)
+ {
+ counter_submit ("mysql_sort", key + strlen ("Sort_"),
+ val, db);
+ }
}
mysql_free_result (res); res = NULL;