qt5base-lts/examples/network/threadedfortuneserver/fortunethread.cpp

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#include "fortunethread.h"

#include <QtNetwork>

//! [0]
FortuneThread::FortuneThread(int socketDescriptor, const QString &fortune, QObject *parent)
    : QThread(parent), socketDescriptor(socketDescriptor), text(fortune)
{
}
//! [0]

//! [1]
void FortuneThread::run()
{
    QTcpSocket tcpSocket;
//! [1] //! [2]
    if (!tcpSocket.setSocketDescriptor(socketDescriptor)) {
        emit error(tcpSocket.error());
        return;
    }
//! [2] //! [3]

    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));
//! [3] //! [4]

    tcpSocket.write(block);
    tcpSocket.disconnectFromHost();
    tcpSocket.waitForDisconnected();
}
//! [4]