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#ifndef QNATIVESOCKETENGINE_P_H

#define QNATIVESOCKETENGINE_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 QLibrary class.  This header file may change from

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

//

// We mean it.

//

#include "QtNetwork/qhostaddress.h"

#include "private/qabstractsocketengine_p.h"

#ifndef Q_OS_WIN

#  include "qplatformdefs.h"

#else

#  include <winsock2.h>

#endif

#ifdef Q_OS_SYMBIAN

#include <private/qeventdispatcher_symbian_p.h>

#include <unistd.h>

#endif

QT_BEGIN_NAMESPACE

// Use our own defines and structs which we know are correct

#  define QT_SS_MAXSIZE 128

#  define QT_SS_ALIGNSIZE (sizeof(qint64))

#  define QT_SS_PAD1SIZE (QT_SS_ALIGNSIZE - sizeof (short))

#  define QT_SS_PAD2SIZE (QT_SS_MAXSIZE - (sizeof (short) + QT_SS_PAD1SIZE + QT_SS_ALIGNSIZE))

struct qt_sockaddr_storage {

      short ss_family;

      char __ss_pad1[QT_SS_PAD1SIZE];

      qint64 __ss_align;

      char __ss_pad2[QT_SS_PAD2SIZE];

};

// sockaddr_in6 size changed between old and new SDK

// Only the new version is the correct one, so always

// use this structure.

struct qt_in6_addr {

    quint8 qt_s6_addr[16];

};

struct qt_sockaddr_in6 {

    short   sin6_family;            /* AF_INET6 */

    quint16 sin6_port;              /* Transport level port number */

    quint32 sin6_flowinfo;          /* IPv6 flow information */

    struct  qt_in6_addr sin6_addr;  /* IPv6 address */

    quint32 sin6_scope_id;          /* set of interfaces for a scope */

};

union qt_sockaddr {

    sockaddr a;

    sockaddr_in a4;

    qt_sockaddr_in6 a6;

    qt_sockaddr_storage storage;

};

class QNativeSocketEnginePrivate;

class Q_AUTOTEST_EXPORT QNativeSocketEngine : public QAbstractSocketEngine

{

    Q_OBJECT

public:

    QNativeSocketEngine(QObject *parent = 0);

    ~QNativeSocketEngine();

    bool initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol = QAbstractSocket::IPv4Protocol);

    bool initialize(int socketDescriptor, QAbstractSocket::SocketState socketState = QAbstractSocket::ConnectedState);

    int socketDescriptor() const;

    bool isValid() const;

    bool connectToHost(const QHostAddress &address, quint16 port);

    bool connectToHostByName(const QString &name, quint16 port);

    bool bind(const QHostAddress &address, quint16 port);

    bool listen();

    int accept();

    void close();

    qint64 bytesAvailable() const;

    qint64 read(char *data, qint64 maxlen);

    qint64 write(const char *data, qint64 len);

    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *addr = 0,

                            quint16 *port = 0);

    qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &addr,

                             quint16 port);

    bool hasPendingDatagrams() const;

    qint64 pendingDatagramSize() const;

    qint64 bytesToWrite() const;

    qint64 receiveBufferSize() const;

    void setReceiveBufferSize(qint64 bufferSize);

    qint64 sendBufferSize() const;

    void setSendBufferSize(qint64 bufferSize);

    int option(SocketOption option) const;

    bool setOption(SocketOption option, int value);

    bool waitForRead(int msecs = 30000, bool *timedOut = 0);

    bool waitForWrite(int msecs = 30000, bool *timedOut = 0);

    bool waitForReadOrWrite(bool *readyToRead, bool *readyToWrite,

			    bool checkRead, bool checkWrite,

			    int msecs = 30000, bool *timedOut = 0);

    bool isReadNotificationEnabled() const;

    void setReadNotificationEnabled(bool enable);

    bool isWriteNotificationEnabled() const;

    void setWriteNotificationEnabled(bool enable);

    bool isExceptionNotificationEnabled() const;

    void setExceptionNotificationEnabled(bool enable);

public Q_SLOTS:

    // non-virtual override;

    void connectionNotification();

private:

    Q_DECLARE_PRIVATE(QNativeSocketEngine)

    Q_DISABLE_COPY(QNativeSocketEngine)

};

#ifdef Q_OS_WIN

class QWindowsSockInit

{

public:

    QWindowsSockInit();

    ~QWindowsSockInit();

    int version;

};

#endif

class QSocketNotifier;

class QNativeSocketEnginePrivate : public QAbstractSocketEnginePrivate

{

    Q_DECLARE_PUBLIC(QNativeSocketEngine)

public:

    QNativeSocketEnginePrivate();

    ~QNativeSocketEnginePrivate();

    int socketDescriptor;

    QSocketNotifier *readNotifier, *writeNotifier, *exceptNotifier;

#ifdef Q_OS_WIN

    QWindowsSockInit winSock;

#endif

    enum ErrorString {

        NonBlockingInitFailedErrorString,

        BroadcastingInitFailedErrorString,

        NoIpV6ErrorString,

        RemoteHostClosedErrorString,

        TimeOutErrorString,

        ResourceErrorString,

        OperationUnsupportedErrorString,

        ProtocolUnsupportedErrorString,

        InvalidSocketErrorString,

        HostUnreachableErrorString,

        NetworkUnreachableErrorString,

        AccessErrorString,

        ConnectionTimeOutErrorString,

        ConnectionRefusedErrorString,

        AddressInuseErrorString,

        AddressNotAvailableErrorString,

        AddressProtectedErrorString,

        DatagramTooLargeErrorString,

        SendDatagramErrorString,

        ReceiveDatagramErrorString,

        WriteErrorString,

        ReadErrorString,

        PortInuseErrorString,

        NotSocketErrorString,

        InvalidProxyTypeString,

        UnknownSocketErrorString = -1

    };

    void setError(QAbstractSocket::SocketError error, ErrorString errorString) const;

    // native functions

    int option(QNativeSocketEngine::SocketOption option) const;

    bool setOption(QNativeSocketEngine::SocketOption option, int value);

    bool createNewSocket(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol);

    bool nativeConnect(const QHostAddress &address, quint16 port);

    bool nativeBind(const QHostAddress &address, quint16 port);

    bool nativeListen(int backlog);

    int nativeAccept();

    qint64 nativeBytesAvailable() const;

    bool nativeHasPendingDatagrams() const;

    qint64 nativePendingDatagramSize() const;

    qint64 nativeReceiveDatagram(char *data, qint64 maxLength,

                                     QHostAddress *address, quint16 *port);

    qint64 nativeSendDatagram(const char *data, qint64 length,

                                  const QHostAddress &host, quint16 port);

    qint64 nativeRead(char *data, qint64 maxLength);

    qint64 nativeWrite(const char *data, qint64 length);

    int nativeSelect(int timeout, bool selectForRead) const;

    int nativeSelect(int timeout, bool checkRead, bool checkWrite,

		     bool *selectForRead, bool *selectForWrite) const;

    void nativeClose();

    bool checkProxy(const QHostAddress &address);

    bool fetchConnectionParameters();

};

QT_END_NAMESPACE

#endif // QNATIVESOCKETENGINE_P_H