func (D *RR_MySQL) GetRegionWithIPFromMySQL(ip uint32) (*MySQLRegion, *MyError.MyError) {
	if e := D.DB.Ping(); e != nil {
		if ok := InitMySQL(RC_MySQLConf); ok != true {
			return nil, MyError.NewError(MyError.ERROR_UNKNOWN, "Connect MySQL Error")
		}
	}
	sqlstring := "Select idRegion, StartIP, EndIP, NetAddr, NetMask From " + RegionTable + " Where ? >= StartIP and ? <= EndIP"
	var idRegion, StartIP, EndIP, NetAddr, NetMask uint32
	ee := D.DB.QueryRow(sqlstring, ip, ip).Scan(&idRegion, &StartIP, &EndIP, &NetAddr, &NetMask)
	switch {
	case ee == sql.ErrNoRows:
		utils.QueryLogger.Error(ee.Error())
		return nil, MyError.NewError(MyError.ERROR_NOTFOUND, "Not found for Region for IP: "+strconv.Itoa(int(ip)))
	case ee != nil:
		utils.QueryLogger.Error(ee.Error())

		return nil, MyError.NewError(MyError.ERROR_UNKNOWN, ee.Error())
	default:
		utils.QueryLogger.Debug("GetRegionWithIPFromMySQL: ",
			" idRegion: ", idRegion, " StartIP: ", StartIP, " EndIP: ", EndIP, " NetAddr: ",
			NetAddr, " NetMask: ", NetMask, " srcIP: ", utils.Int32ToIP4(ip).String())
		return &MySQLRegion{
			IdRegion: idRegion,
			Region: &RegionNew{
				StarIP:  StartIP,
				EndIP:   EndIP,
				NetAddr: NetAddr,
				NetMask: NetMask},
		}, nil
	}
	return nil, MyError.NewError(MyError.ERROR_UNKNOWN, "Unknown error!")
}
func TestMubitRadix(t *testing.T) {
	cidrNet := []string{
		"10.0.0.2/8",
		"10.20.0.0/14",
		"10.21.0.0/16",
		"192.168.0.0/16",
		"192.168.2.0/24",
		"8.0.0.0/9",
		"8.8.8.0/24",
		"0.0.0.0/0",
		//		"128.0.0.0/1",
	}
	ip2Find := []string{
		"10.20.1.2",
		"10.22.1.2",
		"10.19.0.1",
		"10.21.0.1",
		"192.168.2.3",
		"10.22.0.5",
		"202.106.0.20",
		"172.16.3.133",
		"8.8.8.8",
		"8.8.7.1",
	}
	RadixTree := NewDomainRegionTree()
	for _, x := range cidrNet {
		i, n, e := net.ParseCIDR(x)
		if e != nil {
			t.Log(e.Error())
			t.Fail()
			continue
		}
		a, m := utils.IpNetToInt32(n)
		RadixTree.AddRegionToCache(&Region{
			NetworkAddr: a,
			NetworkMask: m,
			RR: []dns.RR{
				dns.RR(&dns.A{
					A: i,
					Hdr: dns.RR_Header{
						Rrtype: 1,
						Class:  1,
						Ttl:    60,
					},
				}),
			},
		})
	}
	// For default route
	RadixTree.AddRegionToCache(&Region{
		NetworkAddr: DefaultRadixNetaddr,
		NetworkMask: DefaultRadixNetMask,
		RR: []dns.RR{
			dns.RR(&dns.A{
				A: utils.Int32ToIP4(DefaultRadixNetaddr),
				Hdr: dns.RR_Header{
					Rrtype: 1,
					Class:  1,
					Ttl:    60,
				},
			}),
		},
	})
	for _, i := range ip2Find {

		ii := utils.Ip4ToInt32(utils.StrToIP(i))
		r, e := RadixTree.GetRegionFromCacheWithAddr(ii, DefaultRadixSearchMask)
		if e != nil {
			t.Log(e)
			t.Log(i)
			t.Fail()
		} else {
			t.Log(r)
		}

	}

	RadixTree.Radix32.Do(func(r1 *bitradix.Radix32, i int) {
		t.Log(r1.Key(), r1.Value, r1.Bits())
	})
}