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package org.dcache.services.billing.cells.receivers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import diskCacheV111.vehicles.DoorRequestInfoMessage;
import diskCacheV111.vehicles.MoverInfoMessage;
import diskCacheV111.vehicles.PoolHitInfoMessage;
import diskCacheV111.vehicles.StorageInfoMessage;
import dmg.cells.nucleus.CellCommandListener;
import dmg.cells.nucleus.CellMessageReceiver;
import dmg.util.command.Argument;
import dmg.util.command.Command;
import org.dcache.services.billing.db.IBillingInfoAccess;
import org.dcache.services.billing.db.data.DoorRequestData;
import org.dcache.services.billing.db.data.MoverData;
import org.dcache.services.billing.db.data.PoolHitData;
import org.dcache.services.billing.db.data.StorageData;
import org.dcache.services.billing.db.impl.HourlyAggregateDataHandler;
/**
* This class is responsible for the processing of messages from other domains
* regarding transfers and pool usage. It calls out to a IBillingInfoAccess
* implementation to handle persistence of the data.<br>
* <br>
*/
public class BillingInfoMessageReceiver implements CellMessageReceiver,
CellCommandListener {
private static final Logger logger =
LoggerFactory.getLogger(BillingInfoMessageReceiver.class);
/**
* Injected
*/
private IBillingInfoAccess access;
private HourlyAggregateDataHandler hourlyAggregateDataHandler;
private Thread commitStatistics;
@Command(name = "display insert statistics",
hint = "toggles logging of statistics",
description = "Prints once a minute to stdout/pinboard the queue " +
"and database commit totals and rate for " +
"billing message inserts.")
class StatisticsCommand implements Callable<String> {
@Argument(valueSpec = "start|stop")
String option;
public String call() throws Exception {
if ("start".equals(option)) {
stopStatistics();
startStatistics();
return "display insert statistics has been started";
} else if ("stop".equals(option)) {
stopStatistics();
return "display insert statistics has been stopped";
} else {
return "Unrecognized option: needs 'start' or 'stop'";
}
}
}
private class StatisticsMonitor implements Runnable {
private class Values {
long insertQueueCurrent;
long commitCurrent;
long droppedCurrent;
long insertQueueLast;
long commitLast;
long droppedLast;
long insertQueueDelta;
long commitDelta;
long droppedDelta;
private void update() {
insertQueueLast = insertQueueCurrent;
commitLast = commitCurrent;
droppedLast = droppedCurrent;
insertQueueCurrent = access.getInsertQueueSize();
commitCurrent = access.getCommittedMessages();
droppedCurrent = access.getDroppedMessages();
insertQueueDelta = insertQueueCurrent - insertQueueLast;
commitDelta = commitCurrent - commitLast;
droppedDelta = droppedCurrent - droppedLast;
}
/**
* report at error level so that no adjustment of logger is
* necessary
*/
private void log() {
logger.error("insert queue (last {}, current {}, change {}/minute)",
insertQueueLast, insertQueueCurrent,
insertQueueDelta);
logger.error("commits (last {}, current {}, change {}/minute)",
commitLast, commitCurrent, commitDelta);
logger.error("dropped (last {}, current {}, change {}/minute)",
droppedLast, droppedCurrent, droppedDelta);
logger.error("total memory {}; free memory {}",
Runtime.getRuntime().totalMemory(),
Runtime.getRuntime().freeMemory());
}
}
public void run() {
Values v = new Values();
try {
while (!Thread.currentThread().isInterrupted()) {
v.update();
v.log();
Thread.sleep(TimeUnit.MINUTES.toMillis(1));
}
} catch (InterruptedException e) {
logger.debug("statistics thread interrupted, "
+ "probably due to cell shutdown");
}
}
}
public void setAccess(IBillingInfoAccess access) {
this.access = access;
}
public void setHourlyAggregateDataHandler(HourlyAggregateDataHandler handler) {
hourlyAggregateDataHandler = handler;
}
public void messageArrived(MoverInfoMessage info) {
access.put(new MoverData(info));
hourlyAggregateDataHandler.update(new MoverData(info));
}
public void messageArrived(StorageInfoMessage info) {
access.put(new StorageData(info));
hourlyAggregateDataHandler.update(new StorageData(info));
}
public void messageArrived(DoorRequestInfoMessage info) {
access.put(new DoorRequestData(info));
}
public void messageArrived(PoolHitInfoMessage info) {
access.put(new PoolHitData(info));
hourlyAggregateDataHandler.update(new PoolHitData(info));
}
private synchronized void startStatistics() {
commitStatistics = new Thread(new StatisticsMonitor());
commitStatistics.setName("billing commit statistics");
commitStatistics.start();
}
private synchronized void stopStatistics() {
if (commitStatistics != null) {
commitStatistics.interrupt();
try {
commitStatistics.join();
} catch (InterruptedException e) {
logger.trace("stopStatistics join interrupted");
} finally {
commitStatistics = null;
}
}
}
}