Khaganat-NeL/khanat-opennel-code
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Re-use the database connection

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This commit is contained in:
kaetemi 2014-09-02 20:39:07 +02:00
parent dfc65485ec
commit afe03367d9
1 changed files with 261 additions and 268 deletions
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25
code/web/private_php/ams/autoload/dblayer.php
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@ -28,6 +28,9 @@
* @author Daan Janssens, mentored by Matthew Lagoe * @author Daan Janssens, mentored by Matthew Lagoe
* *
*/ */
$PDOCache = array();
class DBLayer { class DBLayer {
private $PDO; private $PDO;
@ -44,8 +47,10 @@ class DBLayer {
*/ */
function __construct($db, $dbn = null) function __construct($db, $dbn = null)
{ {
if ( $db != "install" ) { global $PDOCache;
if (isset($PDOCache[$db])) {
$this->PDO = $PDOCache[$db];
} else {
global $cfg; global $cfg;
$dsn = "mysql:"; $dsn = "mysql:";
$dsn .= "host=" . $cfg['db'][$db]['host'] . ";"; $dsn .= "host=" . $cfg['db'][$db]['host'] . ";";
@ -57,19 +62,8 @@ class DBLayer {
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
); );
$this->PDO = new PDO($dsn, $cfg['db'][$db]['user'], $cfg['db'][$db]['pass'], $opt); $this->PDO = new PDO($dsn, $cfg['db'][$db]['user'], $cfg['db'][$db]['pass'], $opt);
} else { $PDOCache[$db] = $this->PDO;
global $cfg;
$dsn = "mysql:";
$dsn .= "host=" . $cfg['db'][$dbn]['host'] . ";";
$dsn .= "port=" . $cfg['db'][$dbn]['port'] . ";";
$opt = array(
PDO :: ATTR_ERRMODE => PDO :: ERRMODE_EXCEPTION,
PDO :: ATTR_DEFAULT_FETCH_MODE => PDO :: FETCH_ASSOC
);
$this -> PDO = new PDO( $dsn, $_POST['Username'], $_POST['Password'], $opt );
} }
} }
/** /**
@ -145,8 +139,7 @@ class DBLayer {
$sth -> execute( $data ); $sth -> execute( $data );
$this -> PDO -> commit(); $this -> PDO -> commit();
} }
catch( Exception $e ) catch ( Exception $e ) {
{
$this -> PDO -> rollBack(); $this -> PDO -> rollBack();
throw new Exception( "error selection" ); throw new Exception( "error selection" );
return false; return false;