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// Qt

#include <QByteArray>

#include <QCoreApplication>

#include <QDataStream>

#include <QTimer>

// Test

#include "Test.h"

#ifdef QT3_SUPPORT

//------------------------------------------------------------------------------

My3Socket::My3Socket(QObject *parent) 

    : Q3Socket(parent), safeShutDown(false)

{

    connect(this, SIGNAL(readyRead()), this, SLOT(read()));

    connect(this, SIGNAL(delayedCloseFinished()), this, SLOT(closed()));

    connect(this, SIGNAL(connectionClosed()), this, SLOT(closed()));

}

//------------------------------------------------------------------------------

void My3Socket::read()

{

    QDataStream in(this);

    quint32 num, reply;

    while (bytesAvailable()) {

        in >> num;

        if (num == 42) {

            qDebug("SUCCESS");

            safeShutDown = true;

            QCoreApplication::instance()->quit();

            return;

        }

        reply = num + 1;

        if (reply == 42)

            ++reply;

    }

    // Reply with a bigger number

    sendTest(reply);

}

//------------------------------------------------------------------------------

void My3Socket::closed()

{

    if (!safeShutDown)

        qDebug("FAILED");

    QCoreApplication::instance()->quit();

}

//------------------------------------------------------------------------------

void My3Socket::sendTest(quint32 num)

{

    QByteArray  block;

    QDataStream out(&block, QIODevice::WriteOnly);

    out << num;

    writeBlock(block, block.size());

}

//------------------------------------------------------------------------------

My3Server::My3Server(QObject *parent)

    : Q3ServerSocket(7700, 1, parent), m_socket(0)

{

    if (ok())

        qDebug("qt3server");

    QTimer::singleShot(5000, this, SLOT(stopServer()));

}

//------------------------------------------------------------------------------

void My3Server::newConnection(int socketId)

{

    m_socket = new My3Socket(this);

    m_socket->setSocket(socketId);

}

//------------------------------------------------------------------------------

void My3Server::stopServer()

{

    if (m_socket) {

        qDebug("SUCCESS");

        m_socket->safeShutDown = true;

        m_socket->sendTest(42);

    } else {

        QCoreApplication::instance()->quit();

    }

}

#endif

//------------------------------------------------------------------------------

My4Socket::My4Socket(QObject *parent) 

    : QTcpSocket(parent), safeShutDown(false)

{

    connect(this, SIGNAL(readyRead()), this, SLOT(read()));

    connect(this, SIGNAL(disconnected()), this, SLOT(closed()));

}

//------------------------------------------------------------------------------

void My4Socket::read(void)

{

    QDataStream in(this);

    quint32 num, reply;

    while (bytesAvailable()) {

        in >> num;

        if (num == 42) {

            safeShutDown = true;

            qDebug("SUCCESS");

            QCoreApplication::instance()->quit();

            return;

        }

        reply = num + 1;

        if (reply == 42)

            ++reply;

    }

    // Reply with a bigger number

    sendTest(reply);

}

//------------------------------------------------------------------------------

void My4Socket::closed(void)

{

    if (!safeShutDown)

        qDebug("FAILED");

    QCoreApplication::instance()->quit();

}

//------------------------------------------------------------------------------

void My4Socket::sendTest(quint32 num)

{

    QByteArray  block;

    QDataStream out(&block, QIODevice::WriteOnly);

    out << num;

    write(block, block.size());

}

//------------------------------------------------------------------------------

My4Server::My4Server(QObject *parent)

    : QTcpServer(parent)

{

    if (listen(QHostAddress::Any, 7700))

        qDebug("qt4server");

    QTimer::singleShot(5000, this, SLOT(stopServer()));

}

//------------------------------------------------------------------------------

void My4Server::incomingConnection(int socketId)

{

    m_socket = new My4Socket(this);

    m_socket->setSocketDescriptor(socketId);

}

//------------------------------------------------------------------------------

void My4Server::stopServer()

{

    if (m_socket) {

        qDebug("SUCCESS");

        m_socket->safeShutDown = true;

        m_socket->sendTest(42);

    } else {

        QCoreApplication::instance()->quit();

    }

}

//------------------------------------------------------------------------------

Test::Test(Type type)

{

    switch (type) {

#ifdef QT3_SUPPORT

    case Qt3Server: {

        new My3Server(this);

        break;

    }

    case Qt3Client: {

        qDebug("qt3client");

        My3Socket *s = new My3Socket(this);

        s->connectToHost("localhost", 7700);

        s->sendTest(1);

        break;

    }

#endif

    case Qt4Client: {

        qDebug("qt4client");

        My4Socket *s = new My4Socket(this);

        s->connectToHost("localhost", 7700);

        s->sendTest(1);

        break;

    }

    case Qt4Server: {

        new My4Server(this);

        break;

    }

    default:

        break;

    }

}