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

#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();

    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;

    int connectTimeElapsed;

    int hostLookupId;

    QAbstractSocket::SocketType socketType;

    QAbstractSocket::SocketState state;

    QAbstractSocket::SocketError socketError;

};

QT_END_NAMESPACE

#endif // QABSTRACTSOCKET_P_H