mirror of https://github.com/sipwise/jitsi.git
Fixes some reconnect issues and early events where still no dns is configured (now waiting half a second). Fixes jabber provider not cleaned up after connection failed (during login process). Fixes an needed reconnect when more than one interface available and network is going down (stand by).
Damian Minkov
15 years ago
parent
1269430cb4
commit
e20ad10747
@ -0,0 +1,230 @@
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/*
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* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.impl.netaddr;
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import net.java.sip.communicator.service.netaddr.event.*;
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import net.java.sip.communicator.util.*;
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import java.util.*;
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/**
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* The class implements a dispatch event thread. The thread will
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* fire event every time it is added through the <tt>fireChangeEvent()</tt>
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* method and would then deliver it to a registered listener if any.
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* (No fire would be performed until we have a
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* <tt>NetworkConfigurationChangeListener</tt>). If the event has time set
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* we used it as a delay before dispatching the event.
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* <p>
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*
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* @author Damian Minkov
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*/
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public class NetworkEventDispatcher
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implements Runnable
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{
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/**
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* Our class logger.
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*/
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private static Logger logger =
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Logger.getLogger(NetworkEventDispatcher.class);
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/**
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* Listeners for network configuration changes.
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*/
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private final List<NetworkConfigurationChangeListener> listeners =
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new ArrayList<NetworkConfigurationChangeListener>();
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/**
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* The events to dispatch.
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*/
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private Map<ChangeEvent, Integer> eventsToDispatch
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= new LinkedHashMap<ChangeEvent, Integer>();
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/**
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* start/stop indicator.
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*/
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private boolean stopped = true;
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/**
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* The thread that runs this dispatcher.
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*/
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private Thread dispatcherThread = null;
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/**
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* Adds new <tt>NetworkConfigurationChangeListener</tt> which will
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* be informed for network configuration changes.
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* @param listener the listener.
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*/
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void addNetworkConfigurationChangeListener(
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NetworkConfigurationChangeListener listener)
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{
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synchronized(listeners)
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{
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if(!listeners.contains(listener))
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{
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listeners.add(listener);
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if(dispatcherThread == null)
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{
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dispatcherThread = new Thread(this);
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dispatcherThread.start();
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}
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}
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}
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}
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/**
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* Remove <tt>NetworkConfigurationChangeListener</tt>.
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* @param listener the listener.
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*/
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void removeNetworkConfigurationChangeListener(
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NetworkConfigurationChangeListener listener)
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{
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synchronized(listeners)
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{
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listeners.remove(listener);
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}
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}
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/**
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* Fire ChangeEvent.
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* @param evt the event to fire.
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*/
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protected void fireChangeEvent(ChangeEvent evt)
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{
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this.fireChangeEvent(evt, 0);
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}
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/**
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* Fire ChangeEvent.
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* @param evt the event to fire.
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*/
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protected void fireChangeEvent(ChangeEvent evt, int wait)
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{
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synchronized(eventsToDispatch)
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{
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eventsToDispatch.put(evt, wait);
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eventsToDispatch.notifyAll();
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if(dispatcherThread == null && listeners.size() > 0)
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{
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dispatcherThread = new Thread(this);
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dispatcherThread.start();
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}
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}
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}
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/**
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* Fire ChangeEvent.
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* @param evt the event to fire.
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*/
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static void fireChangeEvent(ChangeEvent evt,
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NetworkConfigurationChangeListener listener)
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{
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try
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{
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if(logger.isTraceEnabled())
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logger.trace("firing event to " + listener + " evt=" + evt);
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listener.configurationChanged(evt);
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} catch (Throwable e)
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{
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logger.warn("Error delivering event:" + evt + ", to:" + listener);
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}
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}
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/**
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* Runs the waiting thread.
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*/
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public void run()
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{
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stopped = false;
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while(!stopped)
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{
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Map.Entry<ChangeEvent, Integer> eventToProcess = null;
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List<NetworkConfigurationChangeListener> listenersCopy = null;
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synchronized(eventsToDispatch)
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{
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if(eventsToDispatch.size() == 0)
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{
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try {
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eventsToDispatch.wait();
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}
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catch (InterruptedException iex){}
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}
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//no point in dispatching if there's no one
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//listening
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if (listeners.size() == 0)
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continue;
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//store the ref of the listener in case someone resets
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//it before we've had a chance to notify it.
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listenersCopy = new ArrayList
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<NetworkConfigurationChangeListener>(listeners);
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Iterator<Map.Entry<ChangeEvent, Integer>> iter =
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eventsToDispatch.entrySet().iterator();
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if(iter.hasNext())
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{
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eventToProcess = iter.next();
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iter.remove();
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}
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}
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if(eventToProcess != null && listenersCopy != null)
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{
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if(eventToProcess.getValue() > 0)
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synchronized(this)
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{
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try{
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wait(eventToProcess.getValue());
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}catch(Throwable t){}
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}
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for (int i = 0; i < listenersCopy.size(); i++)
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{
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fireChangeEvent(eventToProcess.getKey(),
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listenersCopy.get(i));
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}
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}
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eventToProcess = null;
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listenersCopy = null;
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}
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}
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/**
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* Interrupts this dispatcher so that it would no longer disptach events.
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*/
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public void stop()
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{
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synchronized(eventsToDispatch)
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{
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stopped = true;
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eventsToDispatch.notifyAll();
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dispatcherThread = null;
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}
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}
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/**
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* Returns <tt>true</tt> if this dispatcher is currently running and
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* delivering events when available and <tt>false</tt>
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* otherwise.
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*
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* @return <tt>true</tt> if this dispatcher is currently running and
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* delivering events when available and <tt>false</tt>
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* otherwise.
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*/
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public boolean isRunning()
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{
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return !stopped;
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}
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}
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