void MainWindow::performRead()
{


    QTcpSocket * sock = static_cast<QTcpSocket*>(this->sender());
    if (key == 0)
    {
    busy = true;
    QString recv(sock->readLine());
    key = recv.toInt();
    qDebug() << "Cheia este " << key;

    char * response = enc_dec("#AUTH|admin|admin",strlen("#AUTH|admin|admin"),key);
    sock->write(response);
    }
    else
    {
        busy = true;
        while (sock->bytesAvailable() > 0)
        {
        unsigned short word;
        sock->read((char*)(&word),2);
        qDebug()<<word;
        QByteArray bts = sock->read(word);
        char * decodat = enc_dec((char*)bts.data(),bts.length() - 2,key);
        char testx[2];
        sock->peek(&testx[0],2);
        qDebug() << decodat;
        }

    }

    busy = false;
}

void MainWindow::on_pushButton_clicked()
{
    if (!busy)
    {
    key = 0;
    QTcpSocket * sock = new QTcpSocket();
    connect(sock,SIGNAL(readyRead()),this,SLOT(performRead()));
    sock->connectToHost("194.110.212.46",6550);
    }
    else qDebug()<<"Can't you see I am busy??" << endl;
}

char * enc_dec(char * str,int len, int key)
{
    unsigned char keys[2];
    keys[0] = (unsigned char)key;
    keys[1] = keys[0] ^ 255;
    char * nou = new char[len + 1];
    nou[len] = '';
    for (int i = 0; i < len; i++)
    {
        char tmpy = str[i] ^ keys[i % 2];
        nou[i] = tmpy;
    }
    return nou;
}