peermanager.h

QT 开发环境里面一个很重要的文件

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
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** 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:
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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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