/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtNetwork module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "qabstractsocketengine_p.h"+
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#include "qnativesocketengine_p.h"+
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#include "qmutex.h"+
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#include "qnetworkproxy.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QSocketEngineHandlerList : public QList<QSocketEngineHandler*>+
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{+
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public:+
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    QMutex mutex;+
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};+
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+
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Q_GLOBAL_STATIC(QSocketEngineHandlerList, socketHandlers)+
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+
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QSocketEngineHandler::QSocketEngineHandler()+
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{+
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    if (!socketHandlers())+
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        return;+
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    QMutexLocker locker(&socketHandlers()->mutex);+
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    socketHandlers()->prepend(this);+
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}+
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+
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QSocketEngineHandler::~QSocketEngineHandler()+
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{+
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    if (!socketHandlers())+
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        return;+
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    QMutexLocker locker(&socketHandlers()->mutex);+
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    socketHandlers()->removeAll(this);+
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}+
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+
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QAbstractSocketEnginePrivate::QAbstractSocketEnginePrivate()+
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    : socketError(QAbstractSocket::UnknownSocketError)+
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    , hasSetSocketError(false)+
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    , socketErrorString(QLatin1String(QT_TRANSLATE_NOOP(QSocketLayer, "Unknown error")))+
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    , socketState(QAbstractSocket::UnconnectedState)+
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    , socketType(QAbstractSocket::UnknownSocketType)+
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    , socketProtocol(QAbstractSocket::UnknownNetworkLayerProtocol)+
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    , localPort(0)+
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    , peerPort(0)+
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    , receiver(0)+
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{+
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}+
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+
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QAbstractSocketEngine::QAbstractSocketEngine(QObject *parent)+
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    : QObject(*new QAbstractSocketEnginePrivate(), parent)+
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{+
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}+
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+
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QAbstractSocketEngine::QAbstractSocketEngine(QAbstractSocketEnginePrivate &dd, QObject* parent)+
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    : QObject(dd, parent)+
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{+
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}+
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+
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QAbstractSocketEngine *QAbstractSocketEngine::createSocketEngine(QAbstractSocket::SocketType socketType, const QNetworkProxy &proxy, QObject *parent)+
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{+
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#ifndef QT_NO_NETWORKPROXY+
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    // proxy type must have been resolved by now+
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    if (proxy.type() == QNetworkProxy::DefaultProxy)+
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        return 0;+
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#endif+
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+
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    QMutexLocker locker(&socketHandlers()->mutex);+
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    for (int i = 0; i < socketHandlers()->size(); i++) {+
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        if (QAbstractSocketEngine *ret = socketHandlers()->at(i)->createSocketEngine(socketType, proxy, parent))+
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            return ret;+
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    }+
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+
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#ifndef QT_NO_NETWORKPROXY+
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    // only NoProxy can have reached here+
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    if (proxy.type() != QNetworkProxy::NoProxy)+
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        return 0;+
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#endif+
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+
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    return new QNativeSocketEngine(parent);+
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}+
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+
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QAbstractSocketEngine *QAbstractSocketEngine::createSocketEngine(int socketDescripter, QObject *parent)+
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{+
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    QMutexLocker locker(&socketHandlers()->mutex);+
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    for (int i = 0; i < socketHandlers()->size(); i++) {+
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        if (QAbstractSocketEngine *ret = socketHandlers()->at(i)->createSocketEngine(socketDescripter, parent))+
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            return ret;+
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    }+
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    return new QNativeSocketEngine(parent);+
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}+
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+
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QAbstractSocket::SocketError QAbstractSocketEngine::error() const+
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{+
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    return d_func()->socketError;+
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}+
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+
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QString QAbstractSocketEngine::errorString() const+
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{+
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    return d_func()->socketErrorString;+
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}+
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+
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void QAbstractSocketEngine::setError(QAbstractSocket::SocketError error, const QString &errorString) const+
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{+
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    Q_D(const QAbstractSocketEngine);+
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    d->socketError = error;+
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    d->socketErrorString = errorString;+
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}+
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+
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void QAbstractSocketEngine::setReceiver(QAbstractSocketEngineReceiver *receiver)+
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{+
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    d_func()->receiver = receiver;+
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}+
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+
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void QAbstractSocketEngine::readNotification()+
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{+
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    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)+
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        receiver->readNotification();+
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}+
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+
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void QAbstractSocketEngine::writeNotification()+
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{+
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    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)+
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        receiver->writeNotification();+
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}+
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+
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void QAbstractSocketEngine::exceptionNotification()+
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{+
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    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)+
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        receiver->exceptionNotification();+
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}+
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+
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void QAbstractSocketEngine::connectionNotification()+
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{+
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    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)+
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        receiver->connectionNotification();+
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}+
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+
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#ifndef QT_NO_NETWORKPROXY+
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void QAbstractSocketEngine::proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator)+
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{+
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    if (QAbstractSocketEngineReceiver *receiver = d_func()->receiver)+
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        receiver->proxyAuthenticationRequired(proxy, authenticator);+
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}+
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#endif+
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+
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+
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QAbstractSocket::SocketState QAbstractSocketEngine::state() const+
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{+
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    return d_func()->socketState;+
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}+
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+
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void QAbstractSocketEngine::setState(QAbstractSocket::SocketState state)+
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{+
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    d_func()->socketState = state;+
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}+
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+
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QAbstractSocket::SocketType QAbstractSocketEngine::socketType() const+
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{+
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    return d_func()->socketType;+
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}+
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+
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void QAbstractSocketEngine::setSocketType(QAbstractSocket::SocketType socketType)+
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{+
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    d_func()->socketType = socketType;+
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}+
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+
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QAbstractSocket::NetworkLayerProtocol QAbstractSocketEngine::protocol() const+
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{+
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    return d_func()->socketProtocol;+
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}+
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+
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void QAbstractSocketEngine::setProtocol(QAbstractSocket::NetworkLayerProtocol protocol)+
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{+
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    d_func()->socketProtocol = protocol;+
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}+
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+
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QHostAddress QAbstractSocketEngine::localAddress() const+
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{+
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    return d_func()->localAddress;+
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}+
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+
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void QAbstractSocketEngine::setLocalAddress(const QHostAddress &address)+
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{+
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    d_func()->localAddress = address;+
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}+
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+
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quint16 QAbstractSocketEngine::localPort() const+
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{+
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    return d_func()->localPort;+
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}+
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+
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void QAbstractSocketEngine::setLocalPort(quint16 port)+
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{+
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    d_func()->localPort = port;+
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}+
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+
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QHostAddress QAbstractSocketEngine::peerAddress() const+
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{+
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    return d_func()->peerAddress;+
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}+
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+
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void QAbstractSocketEngine::setPeerAddress(const QHostAddress &address)+
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{+
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   d_func()->peerAddress = address;+
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}+
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+
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quint16 QAbstractSocketEngine::peerPort() const+
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{+
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    return d_func()->peerPort;+
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}+
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+
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void QAbstractSocketEngine::setPeerPort(quint16 port)+
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{+
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    d_func()->peerPort = port;+
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}+
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+
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QT_END_NAMESPACE+
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