| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package com.cloud.dc.dao; |
| |
| import java.util.Date; |
| import java.util.List; |
| |
| |
| import org.springframework.stereotype.Component; |
| |
| import com.cloud.dc.StorageNetworkIpAddressVO; |
| import com.cloud.utils.db.DB; |
| import com.cloud.utils.db.GenericDaoBase; |
| import com.cloud.utils.db.GenericSearchBuilder; |
| import com.cloud.utils.db.SearchBuilder; |
| import com.cloud.utils.db.SearchCriteria; |
| import com.cloud.utils.db.SearchCriteria.Func; |
| import com.cloud.utils.db.SearchCriteria.Op; |
| import com.cloud.utils.db.TransactionLegacy; |
| |
| @Component |
| @DB |
| public class StorageNetworkIpAddressDaoImpl extends GenericDaoBase<StorageNetworkIpAddressVO, Long> implements StorageNetworkIpAddressDao { |
| protected final GenericSearchBuilder<StorageNetworkIpAddressVO, Long> countInUserIp; |
| protected final GenericSearchBuilder<StorageNetworkIpAddressVO, String> listInUseIp; |
| protected final SearchBuilder<StorageNetworkIpAddressVO> untakenIp; |
| protected final SearchBuilder<StorageNetworkIpAddressVO> ipSearch; |
| |
| protected StorageNetworkIpAddressDaoImpl() { |
| countInUserIp = createSearchBuilder(Long.class); |
| countInUserIp.select(null, Func.COUNT, null); |
| countInUserIp.and("rangeId", countInUserIp.entity().getRangeId(), Op.EQ); |
| countInUserIp.and("taken", countInUserIp.entity().getTakenAt(), Op.NNULL); |
| countInUserIp.done(); |
| |
| listInUseIp = createSearchBuilder(String.class); |
| listInUseIp.selectFields(listInUseIp.entity().getIpAddress()); |
| listInUseIp.and("rangeId", listInUseIp.entity().getRangeId(), Op.EQ); |
| listInUseIp.and("taken", listInUseIp.entity().getTakenAt(), Op.NNULL); |
| listInUseIp.done(); |
| |
| untakenIp = createSearchBuilder(); |
| untakenIp.and("rangeId", untakenIp.entity().getRangeId(), Op.EQ); |
| untakenIp.and("taken", untakenIp.entity().getTakenAt(), Op.NULL); |
| untakenIp.done(); |
| |
| ipSearch = createSearchBuilder(); |
| ipSearch.and("ipAddress", ipSearch.entity().getIpAddress(), Op.EQ); |
| ipSearch.done(); |
| } |
| |
| @Override |
| public long countInUseIpByRangeId(long rangeId) { |
| SearchCriteria<Long> sc = countInUserIp.create(); |
| sc.setParameters("rangeId", rangeId); |
| return customSearch(sc, null).get(0); |
| } |
| |
| @Override |
| public List<String> listInUseIpByRangeId(long rangeId) { |
| SearchCriteria<String> sc = listInUseIp.create(); |
| sc.setParameters("rangeId", rangeId); |
| return customSearch(sc, null); |
| } |
| |
| @Override |
| @DB |
| public StorageNetworkIpAddressVO takeIpAddress(long rangeId) { |
| SearchCriteria<StorageNetworkIpAddressVO> sc = untakenIp.create(); |
| sc.setParameters("rangeId", rangeId); |
| TransactionLegacy txn = TransactionLegacy.currentTxn(); |
| txn.start(); |
| StorageNetworkIpAddressVO ip = lockOneRandomRow(sc, true); |
| if (ip == null) { |
| txn.rollback(); |
| return null; |
| } |
| ip.setTakenAt(new Date()); |
| update(ip.getId(), ip); |
| txn.commit(); |
| return ip; |
| } |
| |
| @Override |
| public void releaseIpAddress(String ip) { |
| SearchCriteria<StorageNetworkIpAddressVO> sc = ipSearch.create(); |
| sc.setParameters("ipAddress", ip); |
| StorageNetworkIpAddressVO vo = createForUpdate(); |
| vo.setTakenAt(null); |
| update(vo, sc); |
| } |
| } |