def insertDomain(self, domain, indegree=0, outdegree=0):
		'''增加一个域名'''
		cur = self.conn.cursor()
		cur.execute("INSERT INTO Domains VALUES (NULL,?,?,?)", (domain, indegree, outdegree))
		# 写入到文件中
		self.conn.commit()
def get_vpp_config(self):
        is_ipv6 = True if self._nh_addr.version == 6 else False
        return self._test.vapi.ip_punt_redirect_dump(
            sw_if_index=self._rx_index, is_ipv6=is_ipv6)