X-Git-Url: https://code.wpia.club/?p=gigi.git;a=blobdiff_plain;f=lib%2Fjetty%2Forg%2Feclipse%2Fjetty%2Fserver%2FConnectorStatistics.java;fp=lib%2Fjetty%2Forg%2Feclipse%2Fjetty%2Fserver%2FConnectorStatistics.java;h=cae5e6eb350ade3b95dbbeb4308df34dcd1d0fe9;hp=0000000000000000000000000000000000000000;hb=73ef54a38e3930a1a789cdc6b5fa23cdd4c9d086;hpb=515007c7c1351045420669d65b59c08fa46850f2

diff --git a/lib/jetty/org/eclipse/jetty/server/ConnectorStatistics.java b/lib/jetty/org/eclipse/jetty/server/ConnectorStatistics.java
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+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 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.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+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 static Sample ZERO=new Sample();
+    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();
+    private final ConcurrentMap<Connection, Sample> _samples = new ConcurrentHashMap<>();
+    private final AtomicInteger _closedIn = new AtomicInteger();
+    private final AtomicInteger _closedOut = new AtomicInteger();
+    private AtomicLong _nanoStamp=new AtomicLong();
+    private volatile int _messagesInPerSecond;
+    private volatile int _messagesOutPerSecond;
+
+    @Override
+    public void onOpened(Connection connection)
+    {
+        if (isStarted())
+        {
+            _connectionStats.increment();
+            _samples.put(connection,ZERO);
+        }
+    }
+
+    @Override
+    public void onClosed(Connection connection)
+    {
+        if (isStarted())
+        {
+            int msgsIn=connection.getMessagesIn();
+            int msgsOut=connection.getMessagesOut();
+            _messagesIn.set(msgsIn);
+            _messagesOut.set(msgsOut);
+            _connectionStats.decrement();
+            _connectionDurationStats.set(System.currentTimeMillis()-connection.getCreatedTimeStamp());
+
+            Sample sample=_samples.remove(connection);
+            if (sample!=null)
+            {
+                _closedIn.addAndGet(msgsIn-sample._messagesIn);
+                _closedOut.addAndGet(msgsOut-sample._messagesOut);
+            }
+        }
+    }
+
+    @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 duration maximum in ms")
+    public long getConnectionDurationMax()
+    {
+        return _connectionDurationStats.getMax();
+    }
+
+    @ManagedAttribute("Connection duration mean in ms")
+    public double getConnectionDurationMean()
+    {
+        return _connectionDurationStats.getMean();
+    }
+
+    @ManagedAttribute("Connection duration standard deviation")
+    public double getConnectionDurationStdDev()
+    {
+        return _connectionDurationStats.getStdDev();
+    }
+
+    @ManagedAttribute("Messages In for all connections")
+    public int getMessagesIn()
+    {
+        return (int)_messagesIn.getTotal();
+    }
+
+    @ManagedAttribute("Messages In per connection maximum")
+    public int getMessagesInPerConnectionMax()
+    {
+        return (int)_messagesIn.getMax();
+    }
+
+    @ManagedAttribute("Messages In per connection mean")
+    public double getMessagesInPerConnectionMean()
+    {
+        return _messagesIn.getMean();
+    }
+
+    @ManagedAttribute("Messages In per connection standard deviation")
+    public double getMessagesInPerConnectionStdDev()
+    {
+        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("Messages In per connection maximum")
+    public int getMessagesOutPerConnectionMax()
+    {
+        return (int)_messagesIn.getMax();
+    }
+
+    @ManagedAttribute("Messages In per connection mean")
+    public double getMessagesOutPerConnectionMean()
+    {
+        return _messagesIn.getMean();
+    }
+
+    @ManagedAttribute("Messages In per connection standard deviation")
+    public double getMessagesOutPerConnectionStdDev()
+    {
+        return _messagesIn.getStdDev();
+    }
+
+    @ManagedAttribute("Connection statistics started ms since epoch")
+    public long getStartedMillis()
+    {
+        long start = _startMillis.get();
+        return start < 0 ? 0 : System.currentTimeMillis() - start;
+    }
+
+    @ManagedAttribute("Messages in per second calculated over period since last called")
+    public int getMessagesInPerSecond()
+    {
+        update();
+        return _messagesInPerSecond;
+    }
+
+    @ManagedAttribute("Messages out per second calculated over period since last called")
+    public int getMessagesOutPerSecond()
+    {
+        update();
+        return _messagesOutPerSecond;
+    }
+
+    @Override
+    public void doStart()
+    {
+        reset();
+    }
+
+    @Override
+    public void doStop()
+    {
+        _samples.clear();
+    }
+
+    @ManagedOperation("Reset the statistics")
+    public void reset()
+    {
+        _startMillis.set(System.currentTimeMillis());
+        _messagesIn.reset();
+        _messagesOut.reset();
+        _connectionStats.reset();
+        _connectionDurationStats.reset();
+        _samples.clear();
+    }
+
+    @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());
+        }
+    }  
+    
+    private static final long SECOND_NANOS=TimeUnit.SECONDS.toNanos(1);
+    private synchronized void update()
+    {
+        long now=System.nanoTime();
+        long then=_nanoStamp.get();
+        long duration=now-then;
+                
+        if (duration>SECOND_NANOS/2)
+        {
+            if (_nanoStamp.compareAndSet(then,now))
+            {
+                long msgsIn=_closedIn.getAndSet(0);
+                long msgsOut=_closedOut.getAndSet(0);
+
+                for (Map.Entry<Connection, Sample> entry : _samples.entrySet())
+                {
+                    Connection connection=entry.getKey();
+                    Sample sample = entry.getValue();
+                    Sample next = new Sample(connection);
+                    if (_samples.replace(connection,sample,next))
+                    {
+                        msgsIn+=next._messagesIn-sample._messagesIn;
+                        msgsOut+=next._messagesOut-sample._messagesOut;
+                    }
+                }
+                
+                _messagesInPerSecond=(int)(msgsIn*SECOND_NANOS/duration);
+                _messagesOutPerSecond=(int)(msgsOut*SECOND_NANOS/duration);
+            }
+        }
+    }
+    
+    private static class Sample
+    {
+        Sample()
+        {
+            _messagesIn=0;
+            _messagesOut=0;
+        }
+        
+        Sample(Connection connection)
+        {
+            _messagesIn=connection.getMessagesIn();
+            _messagesOut=connection.getMessagesOut();
+        }
+        
+        final int _messagesIn;
+        final int _messagesOut;
+    }
+}