Qt 4.0: fortunethread.cpp Example File (network/threadedfortuneserver/fortunethread.cpp)

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# fortunethread.cpp Example File
network/threadedfortuneserver/fortunethread.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
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    ** review the following information:
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        #include "fortunethread.h"

        #include <QtNetwork>

        FortuneThread::FortuneThread(int socketDescriptor, const QString &fortune, QObject *parent)
            : QThread(parent), socketDescriptor(socketDescriptor), text(fortune)
        {
        }

        void FortuneThread::run()
        {
            QTcpSocket tcpSocket;
            if (!tcpSocket.setSocketDescriptor(socketDescriptor)) {
                emit error(tcpSocket.error());
                return;
            }

            QByteArray block;
            QDataStream out(&block, QIODevice::WriteOnly);
            out.setVersion(QDataStream::Qt_4_0);
            out << (quint16)0;
            out << text;
            out.device()->seek(0);
            out << (quint16)(block.size() - sizeof(quint16));

            tcpSocket.write(block);
            tcpSocket.disconnectFromHost();
            tcpSocket.waitForDisconnected();
        }