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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#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]
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