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/*
*
* 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.qpid.server.jmx.mbeans;
import javax.management.NotCompliantMBeanException;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.Connection;
import org.apache.qpid.server.jmx.AMQManagedObject;
import org.apache.qpid.server.jmx.ManagedObjectRegistry;
import org.apache.qpid.server.model.VirtualHost;
abstract class AbstractStatisticsGatheringMBean<T extends ConfiguredObject> extends AMQManagedObject
{
private long _lastStatUpdateTime;
private long _statUpdatePeriod = 5000L;
private long _lastMessagesReceived;
private long _lastMessagesSent;
private long _lastBytesReceived;
private long _lastBytesSent;
private double _messageReceivedRate;
private double _messageSentRate;
private double _bytesReceivedRate;
private double _bytesSentRate;
private double _peakMessageReceivedRate;
private double _peakMessageSentRate;
private double _peakBytesReceivedRate;
private double _peakBytesSentRate;
private final T _configuredObject;
protected AbstractStatisticsGatheringMBean(Class<?> managementInterface,
String typeName,
ManagedObjectRegistry registry,
T object) throws NotCompliantMBeanException
{
super(managementInterface, typeName, registry);
_configuredObject = object;
initStats();
}
protected void initStats()
{
_lastStatUpdateTime = System.currentTimeMillis();
}
protected synchronized void updateStats()
{
long time = System.currentTimeMillis();
final long period = time - _lastStatUpdateTime;
if(period > _statUpdatePeriod)
{
long messagesReceived = getStatistic(VirtualHost.MESSAGES_IN);
long messagesSent = getStatistic(VirtualHost.MESSAGES_OUT);
long bytesReceived = getStatistic(VirtualHost.BYTES_IN);
long bytesSent = getStatistic(VirtualHost.BYTES_OUT);
double messageReceivedRate = (double)(messagesReceived - _lastMessagesReceived) / (double)period;
double messageSentRate = (double)(messagesSent - _lastMessagesSent) / (double)period;
double bytesReceivedRate = (double)(bytesReceived - _lastBytesReceived) / (double)period;
double bytesSentRate = (double)(bytesSent - _lastBytesSent) / (double)period;
_lastMessagesReceived = messagesReceived;
_lastMessagesSent = messagesSent;
_lastBytesReceived = bytesReceived;
_lastBytesSent = bytesSent;
_messageReceivedRate = messageReceivedRate;
_messageSentRate = messageSentRate;
_bytesReceivedRate = bytesReceivedRate;
_bytesSentRate = bytesSentRate;
if(messageReceivedRate > _peakMessageReceivedRate)
{
_peakMessageReceivedRate = messageReceivedRate;
}
if(messageSentRate > _peakMessageSentRate)
{
_peakMessageSentRate = messageSentRate;
}
if(bytesReceivedRate > _peakBytesReceivedRate)
{
_peakBytesReceivedRate = bytesReceivedRate;
}
if(bytesSentRate > _peakBytesSentRate)
{
_peakBytesSentRate = bytesSentRate;
}
}
}
private long getStatistic(String name)
{
return (Long) getConfiguredObject().getStatistics().getStatistic(name);
}
public synchronized void resetStatistics() throws Exception
{
updateStats();
//TODO - implement resetStatistics()
}
public synchronized double getPeakMessageDeliveryRate()
{
updateStats();
return _peakMessageSentRate;
}
public synchronized double getPeakDataDeliveryRate()
{
updateStats();
return _peakBytesSentRate;
}
public synchronized double getMessageDeliveryRate()
{
updateStats();
return _messageSentRate;
}
public synchronized double getDataDeliveryRate()
{
updateStats();
return _bytesSentRate;
}
public synchronized long getTotalMessagesDelivered()
{
updateStats();
return getStatistic(Connection.MESSAGES_OUT);
}
public synchronized long getTotalDataDelivered()
{
updateStats();
return getStatistic(Connection.BYTES_OUT);
}
protected final T getConfiguredObject()
{
return _configuredObject;
}
public synchronized double getPeakMessageReceiptRate()
{
updateStats();
return _peakMessageReceivedRate;
}
public synchronized double getPeakDataReceiptRate()
{
updateStats();
return _peakBytesReceivedRate;
}
public synchronized double getMessageReceiptRate()
{
updateStats();
return _messageReceivedRate;
}
public synchronized double getDataReceiptRate()
{
updateStats();
return _bytesReceivedRate;
}
public synchronized long getTotalMessagesReceived()
{
updateStats();
return getStatistic(Connection.MESSAGES_IN);
}
public synchronized long getTotalDataReceived()
{
updateStats();
return getStatistic(Connection.BYTES_IN);
}
}
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