Github user abhinandanprateek commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/689#discussion_r37952248
  
    --- Diff: usage/src/org/apache/cloudstack/quota/QuotaManagerImpl.java ---
    @@ -0,0 +1,465 @@
    +//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 org.apache.cloudstack.quota;
    +
    +import com.cloud.usage.UsageVO;
    +import com.cloud.usage.dao.UsageDao;
    +import com.cloud.user.Account;
    +//import com.cloud.user.AccountManager;
    +import com.cloud.user.AccountVO;
    +import com.cloud.user.Account.State;
    +import com.cloud.user.dao.AccountDao;
    +import com.cloud.utils.Pair;
    +import com.cloud.utils.component.ManagerBase;
    +import com.cloud.utils.db.DB;
    +import com.cloud.utils.db.TransactionLegacy;
    +
    +import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
    +import org.apache.cloudstack.quota.constant.QuotaTypes;
    +import org.apache.cloudstack.quota.dao.QuotaAccountDao;
    +import org.apache.cloudstack.quota.dao.QuotaBalanceDao;
    +import org.apache.cloudstack.quota.dao.QuotaTariffDao;
    +import org.apache.cloudstack.quota.dao.QuotaUsageDao;
    +import org.apache.cloudstack.quota.vo.QuotaAccountVO;
    +import org.apache.cloudstack.quota.vo.QuotaBalanceVO;
    +import org.apache.cloudstack.quota.vo.QuotaTariffVO;
    +import org.apache.cloudstack.quota.vo.QuotaUsageVO;
    +import org.apache.cloudstack.quota.vo.ServiceOfferingVO;
    +import org.apache.cloudstack.quota.dao.ServiceOfferingDao;
    +import org.apache.cloudstack.utils.usage.UsageUtils;
    +import org.apache.log4j.Logger;
    +import org.springframework.stereotype.Component;
    +
    +import javax.ejb.Local;
    +import javax.inject.Inject;
    +import javax.naming.ConfigurationException;
    +
    +import java.math.BigDecimal;
    +import java.math.RoundingMode;
    +import java.util.ArrayList;
    +import java.util.Calendar;
    +import java.util.Date;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.TimeZone;
    +
    +@Component
    +@Local(value = QuotaManager.class)
    +public class QuotaManagerImpl extends ManagerBase implements QuotaManager {
    +    private static final Logger s_logger = 
Logger.getLogger(QuotaManagerImpl.class.getName());
    +
    +    @Inject
    +    private AccountDao _accountDao;
    +    @Inject
    +    private QuotaAccountDao _quotaAcc;
    +    @Inject
    +    private UsageDao _usageDao;
    +    @Inject
    +    private QuotaTariffDao _quotaTariffDao;
    +    @Inject
    +    private QuotaUsageDao _quotaUsageDao;
    +    @Inject
    +    private ServiceOfferingDao _serviceOfferingDao;
    +    @Inject
    +    private QuotaBalanceDao _quotaBalanceDao;
    +    @Inject
    +    private ConfigurationDao _configDao;
    +
    +    private TimeZone _usageTimezone;
    +    private int _aggregationDuration = 0;
    +
    +    final static BigDecimal s_hoursInMonth = new BigDecimal(30 * 24);
    +    final static BigDecimal s_minutesInMonth = new BigDecimal(30 * 24 * 
60);
    +    final static BigDecimal s_gb = new BigDecimal(1024 * 1024 * 1024);
    +
    +    int _pid = 0;
    +
    +    public QuotaManagerImpl() {
    +        super();
    +    }
    +
    +    private void mergeConfigs(Map<String, String> dbParams, Map<String, 
Object> xmlParams) {
    +        for (Map.Entry<String, Object> param : xmlParams.entrySet()) {
    +            dbParams.put(param.getKey(), (String) param.getValue());
    +        }
    +    }
    +
    +    @Override
    +    public boolean configure(String name, Map<String, Object> params) 
throws ConfigurationException {
    +        super.configure(name, params);
    +
    +        Map<String, String> configs = _configDao.getConfiguration(params);
    +
    +        if (params != null) {
    +            mergeConfigs(configs, params);
    +        }
    +
    +        String aggregationRange = 
configs.get("usage.stats.job.aggregation.range");
    +        String timeZoneStr = configs.get("usage.aggregation.timezone");
    +
    +        if (timeZoneStr == null) {
    +            timeZoneStr = "GMT";
    +        }
    +        _usageTimezone = TimeZone.getTimeZone(timeZoneStr);
    +
    +        _aggregationDuration = Integer.parseInt(aggregationRange);
    +        if (_aggregationDuration < UsageUtils.USAGE_AGGREGATION_RANGE_MIN) 
{
    +            s_logger.warn("Usage stats job aggregation range is to small, 
using the minimum value of " + UsageUtils.USAGE_AGGREGATION_RANGE_MIN);
    +            _aggregationDuration = UsageUtils.USAGE_AGGREGATION_RANGE_MIN;
    +        }
    +        s_logger.info("Usage timezone = " + _usageTimezone + " 
AggregationDuration=" + _aggregationDuration);
    +
    +        return true;
    +    }
    +
    +    @Override
    +    public boolean start() {
    +        if (s_logger.isInfoEnabled()) {
    +            s_logger.info("Starting Quota Manager");
    +        }
    +        _pid = Integer.parseInt(System.getProperty("pid"));
    +        return true;
    +    }
    +
    +    @Override
    +    public boolean stop() {
    +        if (s_logger.isInfoEnabled()) {
    +            s_logger.info("Stopping Quota Manager");
    +        }
    +        return true;
    +    }
    +
    +    @Override
    +    public boolean calculateQuotaUsage() {
    +        final short opendb = 
TransactionLegacy.currentTxn().getDatabaseId();
    +        boolean jobResult = false;
    +        TransactionLegacy txn = 
TransactionLegacy.open(TransactionLegacy.USAGE_DB);
    +        try {
    +            // get all the active accounts for which there is usage
    +            List<AccountVO> accounts = _accountDao.listAll();
    +            for (AccountVO account : accounts) { // START ACCOUNT
    +                Pair<List<? extends UsageVO>, Integer> usageRecords = null;
    +                List<QuotaUsageVO> quotalistforaccount = new 
ArrayList<QuotaUsageVO>();
    +                do {
    +                    s_logger.info("Account =" + account.getAccountName());
    +                    usageRecords = 
_usageDao.getUsageRecordsPendingQuotaAggregation(account.getAccountId(), 
account.getDomainId());
    +                    s_logger.debug("Usage records found " + 
usageRecords.second());
    +                    for (UsageVO usageRecord : usageRecords.first()) {
    +                        BigDecimal aggregationRatio = new 
BigDecimal(_aggregationDuration).divide(s_minutesInMonth, 8, 
RoundingMode.HALF_EVEN);
    +                        switch (usageRecord.getUsageType()) {
    +                        case QuotaTypes.RUNNING_VM:
    +                            
quotalistforaccount.addAll(updateQuotaRunningVMUsage(usageRecord, 
aggregationRatio));
    +                            break;
    +                        case QuotaTypes.ALLOCATED_VM:
    +                            
quotalistforaccount.add(updateQuotaAllocatedVMUsage(usageRecord, 
aggregationRatio));
    +                            break;
    +                        case QuotaTypes.SNAPSHOT:
    +                            
quotalistforaccount.add(updateQuotaDiskUsage(usageRecord, aggregationRatio, 
QuotaTypes.SNAPSHOT));
    +                            break;
    +                        case QuotaTypes.TEMPLATE:
    +                            
quotalistforaccount.add(updateQuotaDiskUsage(usageRecord, aggregationRatio, 
QuotaTypes.TEMPLATE));
    +                            break;
    +                        case QuotaTypes.ISO:
    +                            
quotalistforaccount.add(updateQuotaDiskUsage(usageRecord, aggregationRatio, 
QuotaTypes.ISO));
    +                            break;
    +                        case QuotaTypes.VOLUME:
    +                            
quotalistforaccount.add(updateQuotaDiskUsage(usageRecord, aggregationRatio, 
QuotaTypes.VOLUME));
    +                            break;
    +                        case QuotaTypes.VM_SNAPSHOT:
    +                            
quotalistforaccount.add(updateQuotaDiskUsage(usageRecord, aggregationRatio, 
QuotaTypes.VM_SNAPSHOT));
    +                            break;
    +                        case QuotaTypes.LOAD_BALANCER_POLICY:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.LOAD_BALANCER_POLICY));
    +                            break;
    +                        case QuotaTypes.PORT_FORWARDING_RULE:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.PORT_FORWARDING_RULE));
    +                            break;
    +                        case QuotaTypes.IP_ADDRESS:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.IP_ADDRESS));
    +                            break;
    +                        case QuotaTypes.NETWORK_OFFERING:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.NETWORK_OFFERING));
    +                            break;
    +                        case QuotaTypes.SECURITY_GROUP:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.SECURITY_GROUP));
    +                            break;
    +                        case QuotaTypes.VPN_USERS:
    +                            
quotalistforaccount.add(updateQuotaRaw(usageRecord, aggregationRatio, 
QuotaTypes.VPN_USERS));
    +                            break;
    +                        case QuotaTypes.NETWORK_BYTES_RECEIVED:
    +                            
quotalistforaccount.add(updateQuotaNetwork(usageRecord, 
QuotaTypes.NETWORK_BYTES_RECEIVED));
    +                            break;
    +                        case QuotaTypes.NETWORK_BYTES_SENT:
    +                            
quotalistforaccount.add(updateQuotaNetwork(usageRecord, 
QuotaTypes.NETWORK_BYTES_SENT));
    +                            break;
    +                        case QuotaTypes.VM_DISK_IO_READ:
    +                        case QuotaTypes.VM_DISK_IO_WRITE:
    +                        case QuotaTypes.VM_DISK_BYTES_READ:
    +                        case QuotaTypes.VM_DISK_BYTES_WRITE:
    +                        default:
    +                            break;
    +                        }
    +                    }
    +                } while ((usageRecords != null) && 
!usageRecords.first().isEmpty());
    +                // list of quotas for this account
    +                s_logger.info("Quota entries size = " + 
quotalistforaccount.size() + ", accId" + account.getAccountId() + ", domId" + 
account.getDomainId());
    +                if (quotalistforaccount.size() > 0) { // balance to be 
processed
    +                    quotalistforaccount.add(new QuotaUsageVO());
    +                    Date startDate = 
quotalistforaccount.get(0).getStartDate();
    +                    Date endDate = quotalistforaccount.get(0).getEndDate();
    +                    BigDecimal aggrUsage = new BigDecimal(0);
    +                    for (QuotaUsageVO entry : quotalistforaccount) {
    +                        if (startDate.compareTo(entry.getStartDate()) != 
0) {
    +                            QuotaBalanceVO lastrealbalanceentry = 
_quotaBalanceDao.findLastBalanceEntry(account.getAccountId(), 
account.getDomainId(), startDate);
    +                            Date lastbalancedate;
    +                            if (lastrealbalanceentry != null) {
    +                                lastbalancedate = 
lastrealbalanceentry.getUpdatedOn();
    +                                aggrUsage = 
aggrUsage.add(lastrealbalanceentry.getCreditBalance());
    +                            } else {
    +                                lastbalancedate = new Date(0);
    +                            }
    +
    +                            List<QuotaBalanceVO> creditsrcvd = 
_quotaBalanceDao.findCreditBalance(account.getAccountId(), 
account.getDomainId(), lastbalancedate, endDate);
    +                            for (QuotaBalanceVO credit : creditsrcvd) {
    +                                aggrUsage = 
aggrUsage.add(credit.getCreditBalance());
    +                            }
    +
    +                            QuotaBalanceVO newbalance = new 
QuotaBalanceVO(account.getAccountId(), account.getDomainId(), aggrUsage, 
endDate);
    +                            // s_logger.info("Balance entry=" + aggrUsage 
+ " on Date=" + endDate);
    +                            _quotaBalanceDao.persist(newbalance);
    +                            aggrUsage = new BigDecimal(0);
    +                        }
    +                        startDate = entry.getStartDate();
    +                        endDate = entry.getEndDate();
    +                        aggrUsage = 
aggrUsage.subtract(entry.getQuotaUsed());
    +                    }
    +                    // update is quota_accounts
    +                    QuotaAccountVO quota_account = 
_quotaAcc.findById(account.getAccountId());
    +                    s_logger.info("Updating quota account bal=" + 
aggrUsage + " date=" + endDate);
    +                    if (quota_account == null) {
    +                        quota_account = new 
QuotaAccountVO(account.getAccountId());
    +                        quota_account.setQuotaBalance(aggrUsage);
    +                        quota_account.setQuotaBalanceDate(endDate);
    +                        _quotaAcc.persist(quota_account);
    +                    } else {
    +                        quota_account.setQuotaBalance(aggrUsage);
    +                        quota_account.setQuotaBalanceDate(endDate);
    +                        _quotaAcc.update(account.getAccountId(), 
quota_account);
    +                    }
    +                }// balance processed
    +            } // END ACCOUNT
    +            jobResult = true;
    +        } catch (Exception e) {
    +            s_logger.error("Quota Manager error", e);
    +            e.printStackTrace();
    +        } finally {
    +            txn.close();
    +        }
    +        TransactionLegacy.open(opendb).close();
    +        return jobResult;
    +    }
    +
    +
    +    @DB
    +    private QuotaUsageVO updateQuotaDiskUsage(UsageVO usageRecord, final 
BigDecimal aggregationRatio, final int quotaType) {
    +        QuotaUsageVO quota_usage = null;
    +        QuotaTariffVO tariff = 
_quotaTariffDao.findTariffPlanByUsageType(quotaType, usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal quotaUsgage;
    +            BigDecimal onehourcostpergb;
    +            BigDecimal noofgbinuse;
    +            onehourcostpergb = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            noofgbinuse = new 
BigDecimal(usageRecord.getSize()).divide(s_gb, 8, RoundingMode.HALF_EVEN);
    +            quotaUsgage = new 
BigDecimal(usageRecord.getRawUsage()).multiply(onehourcostpergb).multiply(noofgbinuse);
    +            // s_logger.info(" No of GB In use = " + noofgbinuse +
    +            // " onehour cost=" + onehourcostpergb);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
usageRecord.getUsageType(), quotaUsgage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +        }
    +        usageRecord.setQuotaCalculated(1);
    +        _usageDao.persist(usageRecord);
    +        return quota_usage;
    +    }
    +
    +    @DB
    +    private List<QuotaUsageVO> updateQuotaRunningVMUsage(UsageVO 
usageRecord, final BigDecimal aggregationRatio) {
    +        List<QuotaUsageVO> quotalist = new ArrayList<QuotaUsageVO>();
    +        QuotaUsageVO quota_usage;
    +        BigDecimal cpuquotausgage, speedquotausage, memoryquotausage, 
vmusage;
    +        BigDecimal onehourcostpercpu, onehourcostper100mhz, 
onehourcostper1mb, onehourcostforvmusage;
    +        BigDecimal rawusage;
    +        // s_logger.info(usageRecord.getDescription() + ", " +
    +        // usageRecord.getType() + ", " + usageRecord.getOfferingId() + ", 
" +
    +        // usageRecord.getVmInstanceId() + ", " + 
usageRecord.getUsageDisplay()
    +        // + ", aggrR=" + aggregationRatio);
    +        // get service offering details
    +        ServiceOfferingVO serviceoffering = 
_serviceOfferingDao.findServiceOffering(usageRecord.getVmInstanceId(), 
usageRecord.getOfferingId());
    +        rawusage = new BigDecimal(usageRecord.getRawUsage());
    +
    +        QuotaTariffVO tariff = 
_quotaTariffDao.findTariffPlanByUsageType(QuotaTypes.CPU_NUMBER, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal cpu = new BigDecimal(serviceoffering.getCpu());
    +            onehourcostpercpu = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            cpuquotausgage = 
rawusage.multiply(onehourcostpercpu).multiply(cpu);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
QuotaTypes.CPU_NUMBER, cpuquotausgage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +            quotalist.add(quota_usage);
    +        }
    +        tariff = 
_quotaTariffDao.findTariffPlanByUsageType(QuotaTypes.CPU_CLOCK_RATE, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal speed = new BigDecimal(serviceoffering.getSpeed() / 
100.00);
    +            onehourcostper100mhz = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            speedquotausage = 
rawusage.multiply(onehourcostper100mhz).multiply(speed);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
QuotaTypes.CPU_CLOCK_RATE, speedquotausage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +            quotalist.add(quota_usage);
    +        }
    +        tariff = 
_quotaTariffDao.findTariffPlanByUsageType(QuotaTypes.MEMORY, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal memory = new 
BigDecimal(serviceoffering.getRamSize());
    +            onehourcostper1mb = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            memoryquotausage = 
rawusage.multiply(onehourcostper1mb).multiply(memory);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
QuotaTypes.MEMORY, memoryquotausage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +            quotalist.add(quota_usage);
    +        }
    +        tariff = 
_quotaTariffDao.findTariffPlanByUsageType(QuotaTypes.RUNNING_VM, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            onehourcostforvmusage = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            vmusage = rawusage.multiply(onehourcostforvmusage);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
QuotaTypes.RUNNING_VM, vmusage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +            quotalist.add(quota_usage);
    +        }
    +
    +        usageRecord.setQuotaCalculated(1);
    +        _usageDao.persist(usageRecord);
    +        return quotalist;
    +    }
    +
    +    @DB
    +    private QuotaUsageVO updateQuotaAllocatedVMUsage(UsageVO usageRecord, 
final BigDecimal aggregationRatio) {
    +        QuotaUsageVO quota_usage = null;
    +        QuotaTariffVO tariff = 
_quotaTariffDao.findTariffPlanByUsageType(QuotaTypes.ALLOCATED_VM, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal vmusage;
    +            BigDecimal onehourcostforvmusage;
    +            onehourcostforvmusage = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            // s_logger.info("Quotatariff onehourcostforvmusage=" +
    +            // onehourcostforvmusage);
    +            vmusage = new 
BigDecimal(usageRecord.getRawUsage()).multiply(onehourcostforvmusage);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
QuotaTypes.ALLOCATED_VM, vmusage,
    +                    usageRecord.getStartDate(), usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +        }
    +
    +        usageRecord.setQuotaCalculated(1);
    +        _usageDao.persist(usageRecord);
    +        return quota_usage;
    +    }
    +
    +    @DB
    +    private QuotaUsageVO updateQuotaRaw(UsageVO usageRecord, final 
BigDecimal aggregationRatio, final int ruleType) {
    +        QuotaUsageVO quota_usage = null;
    +        QuotaTariffVO tariff = 
_quotaTariffDao.findTariffPlanByUsageType(ruleType, usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal ruleusage;
    +            BigDecimal onehourcost;
    +            onehourcost = 
tariff.getCurrencyValue().multiply(aggregationRatio);
    +            // s_logger.info("Quotatariff onehourcost=" + onehourcost);
    +            ruleusage = new 
BigDecimal(usageRecord.getRawUsage()).multiply(onehourcost);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
ruleType, ruleusage, usageRecord.getStartDate(),
    +                    usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +        }
    +
    +        usageRecord.setQuotaCalculated(1);
    +        _usageDao.persist(usageRecord);
    +        return quota_usage;
    +    }
    +
    +    @DB
    +    private QuotaUsageVO updateQuotaNetwork(UsageVO usageRecord, final int 
transferType) {
    +        QuotaUsageVO quota_usage = null;
    +        QuotaTariffVO tariff = 
_quotaTariffDao.findTariffPlanByUsageType(transferType, 
usageRecord.getEndDate());
    +        if (tariff != null && !tariff.getCurrencyValue().equals(0)) {
    +            BigDecimal onegbcost;
    +            BigDecimal rawusageingb;
    +            BigDecimal networkusage;
    +            onegbcost = tariff.getCurrencyValue();
    +            // s_logger.info("Quotatariff onegbcost=" + onegbcost);
    +            rawusageingb = new 
BigDecimal(usageRecord.getRawUsage()).divide(s_gb, 8, RoundingMode.HALF_EVEN);
    +            networkusage = rawusageingb.multiply(onegbcost);
    +            quota_usage = new QuotaUsageVO(usageRecord.getId(), 
usageRecord.getZoneId(), usageRecord.getAccountId(), usageRecord.getDomainId(), 
transferType, networkusage, usageRecord.getStartDate(),
    +                    usageRecord.getEndDate());
    +            _quotaUsageDao.persist(quota_usage);
    +        }
    +
    +        usageRecord.setQuotaCalculated(1);
    +        _usageDao.persist(usageRecord);
    +        return quota_usage;
    +    }
    +
    +    public Date startOfNextDay() {
    +        Calendar c = Calendar.getInstance();
    +        c.setTime(new Date());
    +        c.add(Calendar.DATE, 1);
    +        Date dt = c.getTime();
    +        return dt;
    +    }
    +
    +    protected boolean lockAccount(long accountId) {
    +        final short opendb = 
TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.CLOUD_DB).close();
    +        boolean success = false;
    +        Account account = _accountDao.findById(accountId);
    +        if (account != null) {
    +            if (account.getState().equals(State.locked)) {
    +                return true; // already locked, no-op
    +            } else if (account.getState().equals(State.enabled)) {
    +                AccountVO acctForUpdate = _accountDao.createForUpdate();
    +                acctForUpdate.setState(State.locked);
    +                success = _accountDao.update(Long.valueOf(accountId), 
acctForUpdate);
    +            } else {
    +                if (s_logger.isInfoEnabled()) {
    +                    s_logger.info("Attempting to lock a non-enabled 
account, current state is " + account.getState() + " (accountId: " + accountId 
+ "), locking failed.");
    +                }
    +            }
    +        } else {
    +            s_logger.warn("Failed to lock account " + accountId + ", 
account not found.");
    +        }
    +        TransactionLegacy.open(opendb).close();
    +        return success;
    +    }
    +
    +    public boolean enableAccount(long accountId) {
    +        final short opendb = 
TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.CLOUD_DB).close();
    --- End diff --
    
    LegacyTranscaction is in use in cloud almost everywhere. While this is not 
a reason to continue its use. My thinking is that this should be delinked from 
Quota changes and looked at in the right perspective.
    We should make a joint effort to clear this up.


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