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MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    QNetworkAccessManager* manager = new QNetworkAccessManager(this);
     QFile* file = new QFile("d:\\somefile.txt");

     if(!file->exists())
     {
         qDebug()<<"not found file";
         exit(-1);
     }

     if( file->open(QIODevice::ReadOnly))
     {

     qDebug()<<"file: "<<file;

     QUrl url("ftp://w05.hosterby.com/path/somefile.txt");
     url.setUserName("name");
     url.setPassword("pass");

    reply =manager->put(QNetworkRequest(url), file);

     connect(reply, SIGNAL(uploadProgress(qint64,qint64)), this,
   SLOT(uploadProgress()));
     connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this,
   SLOT(error()));
     connect(reply, SIGNAL(finished()), this, SLOT(finished()));
    }
     else
     {
         qDebug()<<"error reading file";
     }


    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::finished()
{
    qDebug()<<reply->readAll();
    qDebug()<<reply->errorString();
}

void MainWindow::error()
{
    qDebug()<<"error";
    qDebug()<<reply->errorString();
}

void MainWindow::uploadProgress()
{
    qDebug()<<"upload in progress";
}

url.setPort(21);