/**
* 检查连接状态，如果连接断开，则重新连接
*/
function check_status()
{
if (!$this->_db->ping()) {
$this->_db->close();
$this->_db->connect();
}
}
public function closeConnection(IDatabase $conn)
{
$serverIndex = $conn->getLBInfo('serverIndex');
// second index level of mConns
foreach ($this->mConns as $type => $connsByServer) {
if (!isset($connsByServer[$serverIndex])) {
continue;
}
foreach ($connsByServer[$serverIndex] as $i => $trackedConn) {
if ($conn === $trackedConn) {
$host = $this->getServerName($i);
$this->connLogger->debug("Closing connection to database {$i} at '{$host}'.");
unset($this->mConns[$type][$serverIndex][$i]);
--$this->connsOpened;
break 2;
}
}
}
$conn->close();
}
