/**
* Receives a number of bytes from the server.
*
* @param integer $length Number of bytes to read.
*
* @return string The server response.
*/
protected function _recvBytes($length)
{
$response = '';
$response_length = 0;
while ($response_length < $length) {
$response .= $this->_sock->read($length - $response_length);
$response_length = strlen($response);
}
$this->_debug('S: ' . rtrim($response));
return $response;
}
