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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** 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 QABSTRACTSOCKET_P_H

#define QABSTRACTSOCKET_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of the QAbstractSocket class.  This header file may change from

// version to version without notice, or even be removed.

//

// We mean it.

//

#include "QtNetwork/qabstractsocket.h"

#include "QtCore/qbytearray.h"

#include "QtCore/qlist.h"

#include "QtCore/qtimer.h"

#include "private/qringbuffer_p.h"

#include "private/qiodevice_p.h"

#include "private/qnativesocketengine_p.h"

#include "qnetworkproxy.h"

QT_BEGIN_NAMESPACE

class QHostInfo;

class QAbstractSocketPrivate : public QIODevicePrivate, public QAbstractSocketEngineReceiver

{

    Q_DECLARE_PUBLIC(QAbstractSocket)

public:

    QAbstractSocketPrivate();

    virtual ~QAbstractSocketPrivate();

    // from QAbstractSocketEngineReceiver

    inline void readNotification() { canReadNotification(); }

    inline void writeNotification() { canWriteNotification(); }

    inline void exceptionNotification() {}

    void connectionNotification();

#ifndef QT_NO_NETWORKPROXY

    inline void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator) {

        Q_Q(QAbstractSocket);

        q->proxyAuthenticationRequired(proxy, authenticator);

    }

#endif

    bool canReadNotification();

    bool canWriteNotification();

    // slots

    void _q_connectToNextAddress();

    void _q_startConnecting(const QHostInfo &hostInfo);

    void _q_testConnection();

    void _q_abortConnectionAttempt();

    void _q_forceDisconnect();

    bool readSocketNotifierCalled;

    bool readSocketNotifierState;

    bool readSocketNotifierStateSet;

    bool emittedReadyRead;

    bool emittedBytesWritten;

    bool abortCalled;

    bool closeCalled;

    bool pendingClose;

    QString hostName;

    quint16 port;

    QHostAddress host;

    QList<QHostAddress> addresses;

    quint16 localPort;

    quint16 peerPort;

    QHostAddress localAddress;

    QHostAddress peerAddress;

    QString peerName;

    QAbstractSocketEngine *socketEngine;

    int cachedSocketDescriptor;

#ifndef QT_NO_NETWORKPROXY

    QNetworkProxy proxy;

    QNetworkProxy proxyInUse;

    void resolveProxy(const QString &hostName, quint16 port);

#else

    inline void resolveProxy(const QString &, quint16) { }

#endif

    inline void resolveProxy(quint16 port) { resolveProxy(QString(), port); }

    void resetSocketLayer();

    bool flush();

    bool initSocketLayer(QAbstractSocket::NetworkLayerProtocol protocol);

    void startConnectingByName(const QString &host);

    void fetchConnectionParameters();

    void setupSocketNotifiers();

    bool readFromSocket();

#ifdef Q_OS_LINUX

    qint64 addToBytesAvailable;

#endif

    qint64 readBufferMaxSize;

    QRingBuffer readBuffer;

    QRingBuffer writeBuffer;

    bool isBuffered;

    int blockingTimeout;

    QTimer *connectTimer;

    QTimer *disconnectTimer;

    int connectTimeElapsed;

    int hostLookupId;

    QAbstractSocket::SocketType socketType;

    QAbstractSocket::SocketState state;

    QAbstractSocket::SocketError socketError;

};

QT_END_NAMESPACE

#endif // QABSTRACTSOCKET_P_H