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| Dir : /home/trave494/islandpc.ca/wp-content/plugins/backupbuddy/lib/wpdbutils/wpdbutils.php |
<?php
/**
* pluginbuddy_wpdbutils Class
*
* Provides utility functions for helping with WordPress database handling
*
* Version: 1.0.1
* Author:
* Author URI:
*
* @param $db object Mandatory WordPress database object which is the database to operate on
* @return null
*
*/
if ( !class_exists( "pluginbuddy_wpdbutils" ) ) {
class pluginbuddy_wpdbutils {
// status method type parameter values - would like a class for this
const STATUS_TYPE_DETAILS = 'details';
public $_version = '1.0.1';
/**
* wpdb object
*
* @var wpdb
*/
protected $_db = NULL;
/**
* parent object
*
* @var parent object
*/
protected $_parent = NULL;
/**
* Whether or not we can call a status calback
*
* @var have_status_callback bool
*/
protected $_have_status_callback = false;
/**
* Object->method array for status function
*
* @var status_callback array
*/
protected $_status_callback = array();
/**
* __construct()
*
* Default constructor. Sets up optional status() function linkage if applicable.
*
* @param reference &$db [mandatory] Reference to the database object
* @return null
*
*/
public function __construct( wpdb &$db ) {
$this->_db = &$db;
}
/**
* __destruct()
*
* Default destructor.
*
* @return null
*
*/
public function __destruct( ) {
}
/**
* kick()
*
* Kicks the database to see if the conenction is still alive and if it isn't then tries to reconnect
*
* @return true if connection alive (may have been reconnected), false otherwise (dead and couldn't be reconnected)
*
*/
public function kick( ) {
// Initialize result to assume failure
$result = false;
// Use ping to check if server is still present - note will not reconnect automatically for MySQL >= 5.0.13
// and actually we don't want it to as that is bad karma
if ( !mysql_ping( $this->_db->dbh ) ) {
// Database connection appears to have gone away
pb_backupbuddy::status( self::STATUS_TYPE_DETAILS, __('Database Server has gone away, attempting to reconnect.','it-l10n-backupbuddy' ) );
// Close things down cleanly (from a local perspective)
@mysql_close( $this->_db->dbh );
unset( $this->_db->dbh);
$this->_db->ready = false;
// And attempt to reconnect
$this->_db->db_connect();
// Reconnect failed if we have a null resource or ping fails
if ( ( NULL == $this->_db->dbh ) || ( !mysql_ping( $this->_db->dbh ) ) ) {
// Reconnection failed, make sure user knows
pb_backupbuddy::status( self::STATUS_TYPE_DETAILS, __('Database Server reconnection failed.','it-l10n-backupbuddy' ) );
// Make sure failure is notified (no need to close things down locally as it's a wrap anyway)
$result = false;
} else {
// Reconnection successful, make sure user knows
pb_backupbuddy::status( self::STATUS_TYPE_DETAILS, __('Database Server reconnection successful.','it-l10n-backupbuddy' ) );
$result = true;
}
} else {
// Just to let user know that database is still connected
pb_backupbuddy::status( self::STATUS_TYPE_DETAILS, __('Database Server connection status verified.','it-l10n-backupbuddy' ) );
$result = true;
}
return $result;
}
} // end pluginbuddy_wpdbutils class.
}
?>