/**
* @param MWP_IncrementalBackup_Database_Configuration $configuration
*
* @return string
*/
private static function getDsn(MWP_IncrementalBackup_Database_Configuration $configuration)
{
$pdoParameters = array('dbname' => $configuration->getDatabase(), 'charset' => $configuration->getCharset());
if ($configuration->isSocket()) {
$pdoParameters['unix_socket'] = $configuration->getSocketPath();
} else {
$pdoParameters['host'] = $configuration->getHost();
if (($port = $configuration->getPort()) !== null) {
$pdoParameters['port'] = $configuration->getPort();
}
}
$parameters = array();
foreach ($pdoParameters as $name => $value) {
$parameters[] = $name . '=' . $value;
}
$dsn = sprintf("mysql:%s", implode(';', $parameters));
return $dsn;
}
public function __construct(MWP_IncrementalBackup_Database_Configuration $configuration)
{
$this->configuration = $configuration;
if (!extension_loaded('mysql')) {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException("Mysql extension is not loaded.");
}
if ($configuration->isSocket()) {
$this->connection = @mysql_connect(':' . $configuration->getSocketPath(), $configuration->getUsername(), $configuration->getPassword());
} else {
$host = $configuration->getHost();
if ($configuration->getPort() !== null) {
$host .= ':' . $configuration->getPort();
}
$this->connection = @mysql_connect($host, $configuration->getUsername(), $configuration->getPassword());
}
if (!is_resource($this->connection)) {
throw new MWP_IncrementalBackup_Database_Exception_ConnectionException(mysql_error(), mysql_errno());
}
@mysql_set_charset($configuration->getCharset(), $this->connection);
mysql_select_db($configuration->getDatabase(), $this->connection);
}
