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void MainWindow::start()
{
    socket = new QTcpSocket();
    connect(socket,SIGNAL(error(QAbstractSocket::SocketError)),this,SLOT(error(QAbstractSocket::SocketError)));
    connect(socket,SIGNAL(connected()),this,SLOT(connected()));
    connect(socket,SIGNAL(readyRead()),this,SLOT(read()));
    socket->connectToHost("google.com",80);
}

void MainWindow::error(QAbstractSocket::SocketError error)
{
    qDebug()<<error;
}

void MainWindow::connected()
{
    qDebug()<<"Connected";
    socket->write("GET / HTTP/1.0\r\n");

}

void MainWindow::read()
{
    qDebug()<<"Read";
    qDebug()<<socket->readAll();
}