/****************************************************************************

**

** All rights reserved.

** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying

** this package.

**

** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@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