org.eclipse.jetty.server.ConnectorStatistics Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server;
import java.io.IOException;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicLong;
import org.eclipse.jetty.io.Connection;
import org.eclipse.jetty.util.annotation.ManagedAttribute;
import org.eclipse.jetty.util.annotation.ManagedObject;
import org.eclipse.jetty.util.annotation.ManagedOperation;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.component.Container;
import org.eclipse.jetty.util.component.ContainerLifeCycle;
import org.eclipse.jetty.util.component.Dumpable;
import org.eclipse.jetty.util.statistic.CounterStatistic;
import org.eclipse.jetty.util.statistic.SampleStatistic;
/* ------------------------------------------------------------ */
/** A Connector.Listener that gathers Connector and Connections Statistics.
* Adding an instance of this class as with {@link AbstractConnector#addBean(Object)}
* will register the listener with all connections accepted by that connector.
*/
@ManagedObject("Connector Statistics")
public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable, Connection.Listener
{
private final AtomicLong _startMillis = new AtomicLong(-1L);
private final CounterStatistic _connectionStats = new CounterStatistic();
private final SampleStatistic _messagesIn = new SampleStatistic();
private final SampleStatistic _messagesOut = new SampleStatistic();
private final SampleStatistic _connectionDurationStats = new SampleStatistic();
@Override
public void onOpened(Connection connection)
{
connectionOpened();
}
@Override
public void onClosed(Connection connection)
{
connectionClosed(System.currentTimeMillis()-connection.getCreatedTimeStamp(),connection.getMessagesIn(),connection.getMessagesOut());
}
@ManagedAttribute("Total number of bytes received by this connector")
public int getBytesIn()
{
// TODO
return -1;
}
@ManagedAttribute("Total number of bytes sent by this connector")
public int getBytesOut()
{
// TODO
return -1;
}
@ManagedAttribute("Total number of connections seen by this connector")
public int getConnections()
{
return (int)_connectionStats.getTotal();
}
@ManagedAttribute("Connection duraton maximum in ms")
public long getConnectionsDurationMax()
{
return _connectionDurationStats.getMax();
}
@ManagedAttribute("Connection duraton mean in ms")
public double getConnectionsDurationMean()
{
return _connectionDurationStats.getMean();
}
@ManagedAttribute("Connection duraton standard deviation")
public double getConnectionsDurationStdDev()
{
return _connectionDurationStats.getStdDev();
}
@ManagedAttribute("Connection duraton total of all connections in ms")
public long getConnectionsDurationTotal()
{
return _connectionDurationStats.getTotal();
}
@ManagedAttribute("Messages In for all connections")
public int getMessagesIn()
{
return (int)_messagesIn.getTotal();
}
@ManagedAttribute("Messages In per connection maximum")
public int getConnectionsMessagesInMax()
{
return (int)_messagesIn.getMax();
}
@ManagedAttribute("Messages In per connection mean")
public double getConnectionsMessagesInMean()
{
return _messagesIn.getMean();
}
@ManagedAttribute("Messages In per connection standard deviation")
public double getConnectionsMessagesInStdDev()
{
return _messagesIn.getStdDev();
}
@ManagedAttribute("Connections open")
public int getConnectionsOpen()
{
return (int)_connectionStats.getCurrent();
}
@ManagedAttribute("Connections open maximum")
public int getConnectionsOpenMax()
{
return (int)_connectionStats.getMax();
}
@ManagedAttribute("Messages Out for all connections")
public int getMessagesOut()
{
return (int)_messagesIn.getTotal();
}
@ManagedAttribute("Connection statistics started ms since epoch")
public long getStartedMillis()
{
long start = _startMillis.get();
return start < 0 ? 0 : System.currentTimeMillis() - start;
}
@Override
public void doStart()
{
reset();
}
@Override
public void doStop()
{
}
@ManagedOperation("Reset the statistics")
public void reset()
{
_startMillis.set(System.currentTimeMillis());
_messagesIn.reset();
_messagesOut.reset();
_connectionStats.reset();
_connectionDurationStats.reset();
}
public void connectionOpened()
{
if (isStarted())
{
_connectionStats.increment();
}
}
public void connectionUpgraded(int messagesIn, int messagesOut)
{
if (isStarted())
{
_messagesIn.set(messagesIn);
_messagesOut.set(messagesOut);
}
}
public void connectionClosed(long duration, int messagesIn, int messagesOut)
{
if (isStarted())
{
_messagesIn.set(messagesIn);
_messagesOut.set(messagesOut);
_connectionStats.decrement();
_connectionDurationStats.set(duration);
}
}
@Override
@ManagedOperation("dump thread state")
public String dump()
{
return ContainerLifeCycle.dump(this);
}
@Override
public void dump(Appendable out, String indent) throws IOException
{
ContainerLifeCycle.dumpObject(out,this);
ContainerLifeCycle.dump(out,indent,Arrays.asList(new String[]{"connections="+_connectionStats,"duration="+_connectionDurationStats,"in="+_messagesIn,"out="+_messagesOut}));
}
public static void addToAllConnectors(Server server)
{
for (Connector connector : server.getConnectors())
{
if (connector instanceof Container)
((Container)connector).addBean(new ConnectorStatistics());
}
}
}