/**
* Check if we are still connected. Reconnect if not.
*
* @param bool $reSelectGroup Select back the group after connecting?
*
* @return mixed On success: (bool) True;
* On failure: (object) PEAR_Error
*
* @access protected
*/
protected function _checkConnection($reSelectGroup = true)
{
$currentGroup = $this->_currentGroup;
// Check if we are connected.
if (parent::_isConnected()) {
$retVal = true;
} else {
switch ($this->_currentServer) {
case NNTP_SERVER:
if (is_resource($this->_socket)) {
$this->doQuit(true);
}
$retVal = $this->doConnect();
break;
case NNTP_SERVER_A:
if (is_resource($this->_socket)) {
$this->doQuit(true);
}
$retVal = $this->doConnect(true, true);
break;
default:
$retVal = $this->throwError('Wrong server constant used in NNTP checkConnection()!');
}
if ($retVal === true && $reSelectGroup) {
$group = $this->selectGroup($currentGroup);
if ($this->isError($group)) {
$retVal = $group;
}
}
}
return $retVal;
}
