def close_connection_command(opts)
      AuditCookStub.instance.close(opts[:thread_name])
      CommandIO.instance.reply(opts[:conn], 'OK')
    end
def close_connection_command(opts)
      AuditCookStub.instance.close(opts[:thread_name])
      CommandIO.instance.reply(opts[:conn], 'OK')
    end
Close connection