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# peermanager.h Example File
network/chat/peermanager.h

     /****************************************************************************
     **
     ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
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     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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     #ifndef PEERMANAGER_H
     #define PEERMANAGER_H

     #include <QByteArray>
     #include <QList>
     #include <QObject>
     #include <QTimer>
     #include <QUdpSocket>

     class Client;
     class Connection;

     class PeerManager : public QObject
     {
         Q_OBJECT

     public:
         PeerManager(Client *client);

         void setServerPort(int port);
         QByteArray userName() const;
         void startBroadcasting();
         bool isLocalHostAddress(const QHostAddress &address);

     signals:
         void newConnection(Connection *connection);

     private slots:
         void sendBroadcastDatagram();
         void readBroadcastDatagram();

     private:
         void updateAddresses();

         Client *client;
         QList<QHostAddress> broadcastAddresses;
         QList<QHostAddress> ipAddresses;
         QUdpSocket broadcastSocket;
         QTimer broadcastTimer;
         QByteArray username;
         int serverPort;
     };

     #endif