![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
| author | Florian Forster <octo@collectd.org> | |
| Thu, 30 May 2013 06:10:42 +0000 (08:10 +0200) | ||
| committer | Florian Forster <octo@collectd.org> | |
| Thu, 30 May 2013 06:10:42 +0000 (08:10 +0200) |
| 1 | 2 | |||
|---|---|---|---|---|
| src/mysql.c | patch | | diff1 | | diff2 | | blob | history |
diff --combined src/mysql.c
index d2d0b4bfc57a9ad695b592835cadd4707935fac0,f93a4421bebc695a1f41a85eab3b2daf91f27174..d15a055fe3296f70835e8e6daed68a46b37965bc
--- 1/src/mysql.c
--- 2/src/mysql.c
+++ b/src/mysql.c
/**
* collectd - src/mysql.c
- * Copyright (C) 2006-2009 Florian octo Forster
+ * Copyright (C) 2006-2010 Florian octo Forster
* Copyright (C) 2008 Mirko Buffoni
* Copyright (C) 2009 Doug MacEachern
* Copyright (C) 2009 Sebastian tokkee Harl
* 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>
* Mirko Buffoni <briareos at eswat.org>
* Doug MacEachern <dougm at hyperic.com>
* Sebastian tokkee Harl <sh at tokkee.org>
struct mysql_database_s /* {{{ */
{
- /* instance == NULL => legacy mode */
char *instance;
char *host;
char *user;
char *socket;
int port;
- int master_stats;
- int slave_stats;
+ _Bool master_stats;
+ _Bool slave_stats;
- int slave_notif;
- int slave_io_running;
- int slave_sql_running;
+ _Bool slave_notif;
+ _Bool slave_io_running;
+ _Bool slave_sql_running;
MYSQL *con;
_Bool is_connected;
* </Database>
* </Plugin>
*/
-
-static int mysql_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 ("mysql 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 ("mysql plugin: strdup failed.");
- return (-1);
- }
-
- if (*ret_string != NULL)
- free (*ret_string);
- *ret_string = string;
-
- return (0);
-} /* }}} int mysql_config_set_string */
-
-static int mysql_config_set_int (int *ret_int, /* {{{ */
- oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("mysql plugin: The `%s' config option "
- "needs exactly one string argument.", ci->key);
- return (-1);
- }
-
- *ret_int = ci->values[0].value.number;
-
- return (0);
-} /* }}} int mysql_config_set_int */
-
-static int mysql_config_set_boolean (int *ret_boolean, /* {{{ */
- oconfig_item_t *ci)
-{
- int status = 0;
-
- if (ci->values_num != 1)
- status = -1;
-
- if (status == 0)
- {
- if (ci->values[0].type == OCONFIG_TYPE_BOOLEAN)
- *ret_boolean = ci->values[0].value.boolean;
- else if (ci->values[0].type == OCONFIG_TYPE_STRING)
- {
- if (IS_TRUE (ci->values[0].value.string))
- *ret_boolean = 1;
- else if (IS_FALSE (ci->values[0].value.string))
- *ret_boolean = 0;
- else
- status = -1;
- }
- else
- status = -1;
- }
-
- if (status != 0)
- {
- WARNING ("mysql plugin: The `%s' config option "
- "needs exactly one boolean argument.", ci->key);
- return (-1);
- }
- return (0);
-} /* }}} mysql_config_set_boolean */
-
-static int mysql_config (oconfig_item_t *ci) /* {{{ */
+static int mysql_config_database (oconfig_item_t *ci) /* {{{ */
{
mysql_database_t *db;
- int plugin_block;
int status = 0;
int i;
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
+ status = cf_util_get_string (ci, &db->instance);
+ if (status != 0)
{
- ERROR ("mysql plugin: mysql_config: "
- "Invalid key: %s", ci->key);
- return (-1);
+ 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 = mysql_config_set_string (&db->host, child);
+ status = cf_util_get_string (child, &db->host);
else if (strcasecmp ("User", child->key) == 0)
- status = mysql_config_set_string (&db->user, child);
+ status = cf_util_get_string (child, &db->user);
else if (strcasecmp ("Password", child->key) == 0)
- status = mysql_config_set_string (&db->pass, child);
+ status = cf_util_get_string (child, &db->pass);
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);
+ status = cf_util_get_port_number (child);
+ if (status > 0)
+ {
+ db->port = status;
+ status = 0;
+ }
}
- /* 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 ("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 = mysql_config_set_boolean (&db->master_stats, child);
+ status = cf_util_get_boolean (child, &db->master_stats);
else if (strcasecmp ("SlaveStats", child->key) == 0)
- status = mysql_config_set_boolean (&db->slave_stats, child);
+ status = cf_util_get_boolean (child, &db->slave_stats);
else if (strcasecmp ("SlaveNotifications", child->key) == 0)
- status = mysql_config_set_boolean (&db->slave_notif, child);
+ status = cf_util_get_boolean (child, &db->slave_notif);
else
{
WARNING ("mysql plugin: Option `%s' not allowed here.", child->key);
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)
{
ud.data = (void *) db;
ud.free_func = mysql_database_free;
- if (db->database != NULL)
+ if (db->instance != NULL)
ssnprintf (cb_name, sizeof (cb_name), "mysql-%s",
- db->database);
+ db->instance);
else
sstrncpy (cb_name, "mysql", sizeof (cb_name));
return (-1);
}
+ return (0);
+} /* }}} int mysql_config_database */
+
+static int mysql_config (oconfig_item_t *ci) /* {{{ */
+{
+ int i;
+
+ if (ci == NULL)
+ return (EINVAL);
+
+ /* Fill the `mysql_database_t' structure.. */
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Database", child->key) == 0)
+ mysql_config_database (child);
+ else
+ WARNING ("mysql plugin: Option \"%s\" not allowed here.",
+ child->key);
+ }
+
return (0);
} /* }}} int mysql_config */
return (db->con);
WARNING ("mysql plugin: Lost connection to instance \"%s\": %s",
- (db->instance != NULL)
- ? db->instance
- : "<legacy>",
- mysql_error (db->con));
+ db->instance, mysql_error (db->con));
}
db->is_connected = 0;
static void set_host (mysql_database_t *db, char *buf, size_t buflen)
{
- /* XXX legacy mode - use hostname_g */
- if (db->instance == NULL)
+ if ((db->host == NULL)
+ || (strcmp ("", db->host) == 0)
+ || (strcmp ("localhost", db->host) == 0))
sstrncpy (buf, hostname_g, buflen);
else
- {
- if ((db->host == NULL)
- || (strcmp ("", db->host) == 0)
- || (strcmp ("localhost", db->host) == 0))
- sstrncpy (buf, hostname_g, buflen);
- else
- sstrncpy (buf, db->host, buflen);
- }
-}
-
-static void set_plugin_instance (mysql_database_t *db,
- char *buf, size_t buflen)
-{
- /* XXX legacy mode - no plugin_instance */
- if (db->instance == NULL)
- sstrncpy (buf, "", buflen);
- else
- sstrncpy (buf, db->instance, buflen);
-}
+ sstrncpy (buf, db->host, buflen);
+} /* void set_host */
static void submit (const char *type, const char *type_instance,
value_t *values, size_t values_len, mysql_database_t *db)
set_host (db, vl.host, sizeof (vl.host));
sstrncpy (vl.plugin, "mysql", sizeof (vl.plugin));
- set_plugin_instance (db, vl.plugin_instance, sizeof (vl.plugin_instance));
+
+ /* Assured by "mysql_config_database" */
+ assert (db->instance != NULL);
+ sstrncpy (vl.plugin_instance, db->instance, sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
if (type_instance != NULL)
} /* submit */
static void counter_submit (const char *type, const char *type_instance,
- counter_t value, mysql_database_t *db)
+ derive_t value, mysql_database_t *db)
{
value_t values[1];
- values[0].counter = value;
+ values[0].derive = value;
submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
} /* void counter_submit */
submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
} /* void gauge_submit */
-static void qcache_submit (counter_t hits, counter_t inserts,
- counter_t not_cached, counter_t lowmem_prunes,
- gauge_t queries_in_cache, mysql_database_t *db)
+static void derive_submit (const char *type, const char *type_instance,
+ derive_t value, mysql_database_t *db)
{
- value_t values[5];
-
- values[0].counter = hits;
- values[1].counter = inserts;
- values[2].counter = not_cached;
- values[3].counter = lowmem_prunes;
- values[4].gauge = queries_in_cache;
-
- submit ("mysql_qcache", NULL, values, STATIC_ARRAY_SIZE (values), db);
-} /* void qcache_submit */
-
-static void threads_submit (gauge_t running, gauge_t connected, gauge_t cached,
- counter_t created, mysql_database_t *db)
-{
- value_t values[4];
-
- values[0].gauge = running;
- values[1].gauge = connected;
- values[2].gauge = cached;
- values[3].counter = created;
+ value_t values[1];
- submit ("mysql_threads", NULL, values, STATIC_ARRAY_SIZE (values), db);
-} /* void threads_submit */
+ values[0].derive = value;
+ submit (type, type_instance, values, STATIC_ARRAY_SIZE (values), db);
+} /* void derive_submit */
-static void traffic_submit (counter_t rx, counter_t tx, mysql_database_t *db)
+static void traffic_submit (derive_t rx, derive_t tx, mysql_database_t *db)
{
value_t values[2];
- values[0].counter = rx;
- values[1].counter = tx;
+ values[0].derive = rx;
+ values[1].derive = tx;
submit ("mysql_octets", NULL, values, STATIC_ARRAY_SIZE (values), db);
} /* void traffic_submit */
if (db->slave_notif)
{
- notification_t n = { 0, time (NULL), "", "",
+ notification_t n = { 0, cdtime (), "", "",
"mysql", "", "time_offset", "", NULL };
char *io, *sql;
sql = row[SLAVE_SQL_RUNNING_IDX];
set_host (db, n.host, sizeof (n.host));
- set_plugin_instance (db,
- n.plugin_instance, sizeof (n.plugin_instance));
+
+ /* Assured by "mysql_config_database" */
+ assert (db->instance != NULL);
+ sstrncpy (n.plugin_instance, db->instance, sizeof (n.plugin_instance));
if (((io == NULL) || (strcasecmp (io, "yes") != 0))
&& (db->slave_io_running))
ssnprintf (n.message, sizeof (n.message),
"slave SQL thread started");
plugin_dispatch_notification (&n);
- db->slave_sql_running = 0;
+ db->slave_sql_running = 1;
}
}
MYSQL_ROW row;
char *query;
- unsigned long long qcache_hits = 0ULL;
- unsigned long long qcache_inserts = 0ULL;
- unsigned long long qcache_not_cached = 0ULL;
- unsigned long long qcache_lowmem_prunes = 0ULL;
- int qcache_queries_in_cache = -1;
+ derive_t qcache_hits = 0;
+ derive_t qcache_inserts = 0;
+ derive_t qcache_not_cached = 0;
+ derive_t qcache_lowmem_prunes = 0;
+ gauge_t qcache_queries_in_cache = NAN;
- int threads_running = -1;
- int threads_connected = -1;
- int threads_cached = -1;
- unsigned long long threads_created = 0ULL;
+ gauge_t threads_running = NAN;
+ gauge_t threads_connected = NAN;
+ gauge_t threads_cached = NAN;
+ derive_t threads_created = 0;
unsigned long long traffic_incoming = 0ULL;
unsigned long long traffic_outgoing = 0ULL;
strlen ("Qcache_")) == 0)
{
if (strcmp (key, "Qcache_hits") == 0)
- qcache_hits = val;
+ qcache_hits = (derive_t) val;
else if (strcmp (key, "Qcache_inserts") == 0)
- qcache_inserts = val;
+ qcache_inserts = (derive_t) val;
else if (strcmp (key, "Qcache_not_cached") == 0)
- qcache_not_cached = val;
+ qcache_not_cached = (derive_t) val;
else if (strcmp (key, "Qcache_lowmem_prunes") == 0)
- qcache_lowmem_prunes = val;
+ qcache_lowmem_prunes = (derive_t) val;
else if (strcmp (key, "Qcache_queries_in_cache") == 0)
- qcache_queries_in_cache = (int) val;
+ qcache_queries_in_cache = (gauge_t) val;
}
else if (strncmp (key, "Bytes_",
strlen ("Bytes_")) == 0)
strlen ("Threads_")) == 0)
{
if (strcmp (key, "Threads_running") == 0)
- threads_running = (int) val;
+ threads_running = (gauge_t) val;
else if (strcmp (key, "Threads_connected") == 0)
- threads_connected = (int) val;
+ threads_connected = (gauge_t) val;
else if (strcmp (key, "Threads_cached") == 0)
- threads_cached = (int) val;
+ threads_cached = (gauge_t) val;
else if (strcmp (key, "Threads_created") == 0)
- threads_created = val;
+ threads_created = (derive_t) val;
}
else if (strncmp (key, "Table_locks_",
strlen ("Table_locks_")) == 0)
}
mysql_free_result (res); res = NULL;
- if ((qcache_hits != 0ULL)
- || (qcache_inserts != 0ULL)
- || (qcache_not_cached != 0ULL)
- || (qcache_lowmem_prunes != 0ULL))
- qcache_submit (qcache_hits, qcache_inserts, qcache_not_cached,
- qcache_lowmem_prunes, qcache_queries_in_cache, db);
+ if ((qcache_hits != 0)
+ || (qcache_inserts != 0)
+ || (qcache_not_cached != 0)
+ || (qcache_lowmem_prunes != 0))
+ {
+ derive_submit ("cache_result", "qcache-hits",
+ qcache_hits, db);
+ derive_submit ("cache_result", "qcache-inserts",
+ qcache_inserts, db);
+ derive_submit ("cache_result", "qcache-not_cached",
+ qcache_not_cached, db);
+ derive_submit ("cache_result", "qcache-prunes",
+ qcache_lowmem_prunes, db);
+
+ gauge_submit ("cache_size", "qcache",
+ qcache_queries_in_cache, db);
+ }
- if (threads_created != 0ULL)
- threads_submit (threads_running, threads_connected,
- threads_cached, threads_created, db);
+ if (threads_created != 0)
+ {
+ gauge_submit ("threads", "running",
+ threads_running, db);
+ gauge_submit ("threads", "connected",
+ threads_connected, db);
+ gauge_submit ("threads", "cached",
+ threads_cached, db);
+
+ derive_submit ("total_threads", "created",
+ threads_created, db);
+ }
traffic_submit (traffic_incoming, traffic_outgoing, db);