Also i need more guidance on issue of differentiating data read from different socket

[quickNitin]

here is the code for server which will do reading from various clients.

void MyDialog::settingServer()
{
    tcpServer=new QTcpServer(this);
    if(!(tcpServer->listen(QHostAddress::Any,35000)))
    {   
         cout<<"\n Tcp Server not listening";
         QMessageBox::critical(this,tr("server"),tr(" not able to start"));
    }
    else
    {
        int x=tcpServer->serverPort(); 
        label->setText(QString("Server is listening on port ")+QByteArray::number(x));
        connect(tcpServer,SIGNAL(newConnection()),this,SLOT(activatingNewConnection()));
    }
}
 
MyDialog::~MyDialog()
{
 
}
 
void MyDialog::activatingNewConnection()
{
    tcpSocket=tcpServer->nextPendingConnection();
    connect(tcpSocket, SIGNAL(disconnected()),tcpSocket, SLOT(deleteLater()));
    connect(tcpSocket,SIGNAL(readyRead()),this,SLOT(dataAvailable()));
}
 
void MyDialog::dataAvailable()
{
    QDataStream in(tcpSocket);
 
    in.setVersion(QDataStream::Qt_4_0);
    if(tcpSocket->bytesAvailable() <= 0 )
    {
        //cout<<"\nNothing  Available for reading";
        return;
    }
    QString st;bool ok;
    int i;
    in >> st;
    label->setText(st);
}

void MyDialog::settingServer()
{
    tcpServer=new QTcpServer(this);
    if(!(tcpServer->listen(QHostAddress::Any,35000)))
    {   
         cout<<"\n Tcp Server not listening";
         QMessageBox::critical(this,tr("server"),tr(" not able to start"));
    }
    else
    {
        int x=tcpServer->serverPort(); 
        label->setText(QString("Server is listening on port ")+QByteArray::number(x));
        connect(tcpServer,SIGNAL(newConnection()),this,SLOT(activatingNewConnection()));
    }
}
       
MyDialog::~MyDialog()
{
         
}
       
void MyDialog::activatingNewConnection()
{
    tcpSocket=tcpServer->nextPendingConnection();
    connect(tcpSocket, SIGNAL(disconnected()),tcpSocket, SLOT(deleteLater()));
    connect(tcpSocket,SIGNAL(readyRead()),this,SLOT(dataAvailable()));
}

void MyDialog::dataAvailable()
{
    QDataStream in(tcpSocket);

    in.setVersion(QDataStream::Qt_4_0);
    if(tcpSocket->bytesAvailable() <= 0 )
    {
        //cout<<"\nNothing  Available for reading";
        return;
    }
    QString st;bool ok;
    int i;
    in >> st;
    label->setText(st);
}

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i agree for each connection a new socket will be created.

tcpSocket=tcpServer->nextPendingConnection();

tcpSocket=tcpServer->nextPendingConnection();

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But i couldn't figure out how i will address to different sockets in my code. How i will recognise them individually. tcpSocket will point only to newly connected socket.