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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web28/html/wp-content/plugins/matomo/app/core/Tracker/ |
| Current File : //var/www/web28/html/wp-content/plugins/matomo/app/core/Tracker/Db.php |
<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Tracker;
use Exception;
use Piwik\Common;
use Piwik\Config;
use Piwik\Db\Adapter;
use Piwik\Piwik;
use Piwik\Timer;
use Piwik\Tracker\Db\DbException;
/**
* Simple database wrapper.
* We can't afford to have a dependency with the Zend_Db module in Tracker.
* We wrote this simple class
*
*/
abstract class Db
{
protected static $profiling = false;
protected $queriesProfiling = array();
protected $connection = null;
// this is used for indicate TransactionLevel Cache
public $supportsUncommitted = null;
/**
* Enables the SQL profiling.
* For each query, saves in the DB the time spent on this query.
* Very useful to see the slow query under heavy load.
* You can then use Piwik::displayDbTrackerProfile();
* to display the SQLProfiling report and see which queries take time, etc.
*/
public static function enableProfiling()
{
self::$profiling = true;
}
/**
* Disables the SQL profiling logging.
*/
public static function disableProfiling()
{
self::$profiling = false;
}
/**
* Returns true if the SQL profiler is enabled
* Only used by the unit test that tests that the profiler is off on a production server
*
* @return bool
*/
public static function isProfilingEnabled()
{
return self::$profiling;
}
/**
* Initialize profiler
*
* @return Timer
*/
protected function initProfiler()
{
return new Timer();
}
/**
* Record query profile
*
* @param string $query
* @param Timer $timer
*/
protected function recordQueryProfile($query, $timer)
{
if (!isset($this->queriesProfiling[$query])) {
$this->queriesProfiling[$query] = array('sum_time_ms' => 0, 'count' => 0);
}
$time = $timer->getTimeMs(2);
$time += $this->queriesProfiling[$query]['sum_time_ms'];
$count = $this->queriesProfiling[$query]['count'] + 1;
$this->queriesProfiling[$query] = array('sum_time_ms' => $time, 'count' => $count);
}
/**
* When destroyed, if SQL profiled enabled, logs the SQL profiling information
*/
public function recordProfiling()
{
if (is_null($this->connection)) {
return;
}
// turn off the profiler so we don't profile the following queries
self::$profiling = false;
foreach ($this->queriesProfiling as $query => $info) {
$time = $info['sum_time_ms'];
$time = Common::forceDotAsSeparatorForDecimalPoint($time);
$count = $info['count'];
$queryProfiling = "INSERT INTO " . Common::prefixTable('log_profiling') . "\n\t\t\t\t\t\t(query,count,sum_time_ms) VALUES (?,{$count},{$time})\n\t\t\t\t\t\tON DUPLICATE KEY UPDATE count=count+{$count},sum_time_ms=sum_time_ms+{$time}";
$this->query($queryProfiling, array($query));
}
// turn back on profiling
self::$profiling = true;
}
/**
* Connects to the DB
*
* @throws \Piwik\Tracker\Db\DbException if there was an error connecting the DB
*/
public abstract function connect();
/**
* Disconnects from the server
*/
public function disconnect()
{
$this->connection = null;
}
/**
* Returns an array containing all the rows of a query result, using optional bound parameters.
*
* @param string $query Query
* @param array $parameters Parameters to bind
* @see query()
* @throws \Piwik\Tracker\Db\DbException if an exception occurred
*/
public abstract function fetchAll($query, $parameters = array());
/**
* Returns the first row of a query result, using optional bound parameters.
*
* @param string $query Query
* @param array $parameters Parameters to bind
* @see also query()
*
* @throws DbException if an exception occurred
*/
public abstract function fetch($query, $parameters = array());
/**
* This function is a proxy to fetch(), used to maintain compatibility with Zend_Db interface
*
* @see fetch()
* @param string $query Query
* @param array $parameters Parameters to bind
* @return
*/
public function fetchRow($query, $parameters = array())
{
return $this->fetch($query, $parameters);
}
/**
* This function is a proxy to fetch(), used to maintain compatibility with Zend_Db interface
*
* @see fetch()
* @param string $query Query
* @param array $parameters Parameters to bind
* @return bool|mixed
*/
public function fetchOne($query, $parameters = array())
{
$result = $this->fetch($query, $parameters);
return is_array($result) && !empty($result) ? reset($result) : false;
}
/**
* This function is a proxy to fetch(), used to maintain compatibility with Zend_Db + PDO interface
*
* @see fetch()
* @param string $query Query
* @param array $parameters Parameters to bind
* @return
*/
public function exec($query, $parameters = array())
{
return $this->fetch($query, $parameters);
}
/**
* Return number of affected rows in last query
*
* @param mixed $queryResult Result from query()
* @return int
*/
public abstract function rowCount($queryResult);
/**
* Executes a query, using optional bound parameters.
*
* @param string $query Query
* @param array $parameters Parameters to bind array('idsite'=> 1)
*
* @return PDOStatement or false if failed
* @throws DbException if an exception occurred
*/
public abstract function query($query, $parameters = array());
/**
* Returns the last inserted ID in the DB
* Wrapper of PDO::lastInsertId()
*
* @return int
*/
public abstract function lastInsertId();
/**
* Test error number
*
* @param Exception $e
* @param string $errno
* @return bool True if error number matches; false otherwise
*/
public abstract function isErrNo($e, $errno);
/**
* Factory to create database objects
*
* @param array $configDb Database configuration
* @throws Exception
* @return \Piwik\Tracker\Db\Mysqli|\Piwik\Tracker\Db\Pdo\Mysql
*/
public static function factory($configDb)
{
/**
* Triggered before a connection to the database is established by the Tracker.
*
* This event can be used to change the database connection settings used by the Tracker.
*
* @param array $dbInfos Reference to an array containing database connection info,
* including:
*
* - **host**: The host name or IP address to the MySQL database.
* - **username**: The username to use when connecting to the
* database.
* - **password**: The password to use when connecting to the
* database.
* - **dbname**: The name of the Piwik MySQL database.
* - **port**: The MySQL database port to use.
* - **adapter**: either `'PDO\MYSQL'` or `'MYSQLI'`
* - **type**: The MySQL engine to use, for instance 'InnoDB'
*/
Piwik::postEvent('Tracker.getDatabaseConfig', array(&$configDb));
$className = 'Piwik\\Tracker\\Db\\' . str_replace(' ', '\\', ucwords(str_replace(array('_', '\\'), ' ', strtolower($configDb['adapter']))));
if (!class_exists($className)) {
throw new Exception('Unsupported database adapter ' . $configDb['adapter']);
}
return new $className($configDb);
}
public static function connectPiwikTrackerDb()
{
$db = null;
$configDb = Config::getInstance()->database;
if (!isset($configDb['port'])) {
// before 0.2.4 there is no port specified in config file
$configDb['port'] = '3306';
}
$db = self::factory($configDb);
try {
$db->connect();
} catch (\Exception $e) {
$msg = Adapter::overriddenExceptionMessage($e->getMessage());
if ('' !== $msg) {
throw new \Exception($msg);
}
throw $e;
}
$trackerConfig = Config::getInstance()->Tracker;
if (!empty($trackerConfig['innodb_lock_wait_timeout']) && $trackerConfig['innodb_lock_wait_timeout'] > 0) {
// we set this here because we only want to set this config if a connection is actually created.
$time = (int) $trackerConfig['innodb_lock_wait_timeout'];
$db->query('SET @@innodb_lock_wait_timeout = ' . $time);
}
return $db;
}
}
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