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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QUDPSOCKET_H
#define QUDPSOCKET_H

#include <QtNetwork/qabstractsocket.h>
#include <QtNetwork/qhostaddress.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Network)

#ifndef QT_NO_UDPSOCKET

class QUdpSocketPrivate;

class Q_NETWORK_EXPORT QUdpSocket : public QAbstractSocket
{
    Q_OBJECT
public:
    enum BindFlag {
        DefaultForPlatform = 0x0,
        ShareAddress = 0x1,
        DontShareAddress = 0x2,
        ReuseAddressHint = 0x4
    };
    Q_DECLARE_FLAGS(BindMode, BindFlag)

    explicit QUdpSocket(QObject *parent = 0);
    virtual ~QUdpSocket();

    bool bind(const QHostAddress &address, quint16 port);
    bool bind(quint16 port = 0);
    bool bind(const QHostAddress &address, quint16 port, BindMode mode);
    bool bind(quint16 port, BindMode mode);
    // ### Qt 5: Merge the bind functions

    bool hasPendingDatagrams() const;
    qint64 pendingDatagramSize() const;
    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *host = 0, quint16 *port = 0);
    qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &host, quint16 port);
    inline qint64 writeDatagram(const QByteArray &datagram, const QHostAddress &host, quint16 port)
        { return writeDatagram(datagram.constData(), datagram.size(), host, port); }

private:
    Q_DISABLE_COPY(QUdpSocket)
    Q_DECLARE_PRIVATE(QUdpSocket)
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QUdpSocket::BindMode)

#endif // QT_NO_UDPSOCKET

QT_END_NAMESPACE

QT_END_HEADER

#endif // QUDPSOCKET_H