139 lines
5.3 KiB
C++
139 lines
5.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2018 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** BSD License Usage
|
|
** Alternatively, you may use this file under the terms of the BSD license
|
|
** as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of The Qt Company Ltd nor the names of its
|
|
** contributors may be used to endorse or promote products derived
|
|
** from this software without specific prior written permission.
|
|
**
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#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]
|