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// 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
// 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
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package com.cloud.usage.parser;
import java.text.DecimalFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import com.cloud.usage.UsageVPNUserVO;
import com.cloud.usage.UsageServer;
import com.cloud.usage.UsageTypes;
import com.cloud.usage.UsageVO;
import com.cloud.usage.dao.UsageDao;
import com.cloud.usage.dao.UsageVPNUserDao;
import com.cloud.user.AccountVO;
import com.cloud.utils.Pair;
import com.cloud.utils.component.ComponentLocator;
public class VPNUserUsageParser {
public static final Logger s_logger = Logger.getLogger(VPNUserUsageParser.class.getName());
private static ComponentLocator _locator = ComponentLocator.getLocator(UsageServer.Name, "usage-components.xml", "log4j-cloud_usage");
private static UsageDao m_usageDao = _locator.getDao(UsageDao.class);
private static UsageVPNUserDao m_usageVPNUserDao = _locator.getDao(UsageVPNUserDao.class);
public static boolean parse(AccountVO account, Date startDate, Date endDate) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Parsing all VPN user usage events for account: " + account.getId());
}
if ((endDate == null) || endDate.after(new Date())) {
endDate = new Date();
}
List<UsageVPNUserVO> usageVUs = m_usageVPNUserDao.getUsageRecords(account.getId(), account.getDomainId(), startDate, endDate, false, 0);
if(usageVUs.isEmpty()){
s_logger.debug("No VPN user usage events for this period");
return true;
}
// This map has both the running time *and* the usage amount.
Map<String, Pair<Long, Long>> usageMap = new HashMap<String, Pair<Long, Long>>();
Map<String, VUInfo> vuMap = new HashMap<String, VUInfo>();
// loop through all the VPN user usage, create a usage record for each
for (UsageVPNUserVO usageVU : usageVUs) {
long userId = usageVU.getUserId();
String userName = usageVU.getUsername();
String key = ""+userId+"VU"+userName;
vuMap.put(key, new VUInfo(userId, usageVU.getZoneId(), userName));
Date vuCreateDate = usageVU.getCreated();
Date vuDeleteDate = usageVU.getDeleted();
if ((vuDeleteDate == null) || vuDeleteDate.after(endDate)) {
vuDeleteDate = endDate;
}
// clip the start date to the beginning of our aggregation range if the vm has been running for a while
if (vuCreateDate.before(startDate)) {
vuCreateDate = startDate;
}
long currentDuration = (vuDeleteDate.getTime() - vuCreateDate.getTime()) + 1; // make sure this is an inclusive check for milliseconds (i.e. use n - m + 1 to find total number of millis to charge)
updateVUUsageData(usageMap, key, usageVU.getUserId(), currentDuration);
}
for (String vuIdKey : usageMap.keySet()) {
Pair<Long, Long> vutimeInfo = usageMap.get(vuIdKey);
long useTime = vutimeInfo.second().longValue();
// Only create a usage record if we have a runningTime of bigger than zero.
if (useTime > 0L) {
VUInfo info = vuMap.get(vuIdKey);
createUsageRecord(UsageTypes.VPN_USERS, useTime, startDate, endDate, account, info.getUserId(), info.getUserName(), info.getZoneId());
}
}
return true;
}
private static void updateVUUsageData(Map<String, Pair<Long, Long>> usageDataMap, String key, long userId, long duration) {
Pair<Long, Long> vuUsageInfo = usageDataMap.get(key);
if (vuUsageInfo == null) {
vuUsageInfo = new Pair<Long, Long>(new Long(userId), new Long(duration));
} else {
Long runningTime = vuUsageInfo.second();
runningTime = new Long(runningTime.longValue() + duration);
vuUsageInfo = new Pair<Long, Long>(vuUsageInfo.first(), runningTime);
}
usageDataMap.put(key, vuUsageInfo);
}
private static void createUsageRecord(int type, long runningTime, Date startDate, Date endDate, AccountVO account, long userId, String userName, long zoneId) {
// Our smallest increment is hourly for now
if (s_logger.isDebugEnabled()) {
s_logger.debug("Total running time " + runningTime + "ms");
}
float usage = runningTime / 1000f / 60f / 60f;
DecimalFormat dFormat = new DecimalFormat("#.######");
String usageDisplay = dFormat.format(usage);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Creating VPN user:" + userId + " usage record, usage: " + usageDisplay + ", startDate: " + startDate + ", endDate: " + endDate + ", for account: " + account.getId());
}
// Create the usage record
String usageDesc = "VPN User: " + userName + ", Id: "+ userId + " usage time";
UsageVO usageRecord = new UsageVO(zoneId, account.getId(), account.getDomainId(), usageDesc, usageDisplay + " Hrs", type,
new Double(usage), null, null, null, null, userId, null, startDate, endDate);
m_usageDao.persist(usageRecord);
}
private static class VUInfo {
private long userId;
private long zoneId;
private String userName;
public VUInfo(long userId, long zoneId, String userName) {
this.userId = userId;
this.zoneId = zoneId;
this.userName = userName;
}
public long getZoneId() {
return zoneId;
}
public long getUserId() {
return userId;
}
public String getUserName() {
return userName;
}
}
}