def METHOD_NAME(self):
    '''Shutdown the server'''
    try:
        if self.__serverProcess is not None and self.__serverProcess.poll() is None:
            utils.kill_process_group(self.__serverProcess)
    except Exception: pass
    self.__serverProcess = None
    self.__serverOutput = None
    self.httpbinPort = None
    self.httpPort = None
    self.sslPort = None