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

    /****************************************************************************
    **
    ** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #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