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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include "mainwindow.h" |
| #include "nicselector.h" |
| #include "ui_mainwindow.h" |
| |
| MainWindow::MainWindow() |
| : ui(new Ui::MainWindow) |
| { |
| ui->setupUi(this); |
| |
| connect(&server, &DtlsServer::errorMessage, this, &MainWindow::addErrorMessage); |
| connect(&server, &DtlsServer::warningMessage, this, &MainWindow::addWarningMessage); |
| connect(&server, &DtlsServer::infoMessage, this, &MainWindow::addInfoMessage); |
| connect(&server, &DtlsServer::datagramReceived, this, &MainWindow::addClientMessage); |
| |
| updateUi(); |
| } |
| |
| MainWindow::~MainWindow() |
| { |
| delete ui; |
| } |
| |
| void MainWindow::on_startButton_clicked() |
| { |
| if (!server.isListening()) { |
| NicSelector ipDialog; |
| if (ipDialog.exec() == QDialog::Accepted) { |
| const QHostAddress address = ipDialog.selectedIp(); |
| const quint16 port = ipDialog.selectedPort(); |
| if (address.isNull()) { |
| addErrorMessage(tr("Failed to start listening, no valid address/port")); |
| } else if (server.listen(address, port)) { |
| addInfoMessage(tr("Server is listening on address %1 and port %2") |
| .arg(address.toString()) |
| .arg(port)); |
| } |
| } |
| } else { |
| server.close(); |
| addInfoMessage(tr("Server is not accepting new connections")); |
| } |
| |
| updateUi(); |
| } |
| |
| void MainWindow::on_quitButton_clicked() |
| { |
| QCoreApplication::exit(0); |
| } |
| |
| void MainWindow::updateUi() |
| { |
| server.isListening() ? ui->startButton->setText(tr("Stop listening")) |
| : ui->startButton->setText(tr("Start listening")); |
| } |
| |
| //! [0] |
| const QString colorizer(QStringLiteral("<font color=\"%1\">%2</font><br>")); |
| |
| void MainWindow::addErrorMessage(const QString &message) |
| { |
| ui->serverInfo->insertHtml(colorizer.arg(QStringLiteral("Crimson"), message)); |
| } |
| |
| void MainWindow::addWarningMessage(const QString &message) |
| { |
| ui->serverInfo->insertHtml(colorizer.arg(QStringLiteral("DarkOrange"), message)); |
| } |
| |
| void MainWindow::addInfoMessage(const QString &message) |
| { |
| ui->serverInfo->insertHtml(colorizer.arg(QStringLiteral("DarkBlue"), message)); |
| } |
| |
| void MainWindow::addClientMessage(const QString &peerInfo, const QByteArray &datagram, |
| const QByteArray &plainText) |
| { |
| static const QString messageColor = QStringLiteral("DarkMagenta"); |
| static const QString formatter = QStringLiteral("<br>---------------" |
| "<br>A message from %1" |
| "<br>DTLS datagram:<br> %2" |
| "<br>As plain text:<br> %3"); |
| |
| const QString html = formatter.arg(peerInfo, QString::fromUtf8(datagram.toHex(' ')), |
| QString::fromUtf8(plainText)); |
| ui->messages->insertHtml(colorizer.arg(messageColor, html)); |
| } |
| //! [0] |