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/****************************************************************************
**
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QSharedPointer>
#include <QVector>

QT_BEGIN_NAMESPACE

namespace Ui {

class MainWindow;

}

class QHostAddress;
class QHostInfo;

class DtlsAssociation;

QT_END_NAMESPACE

QT_USE_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:

    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private slots:

    void addErrorMessage(const QString &message);
    void addWarningMessage(const QString &message);
    void addInfoMessage(const QString &message);
    void addServerResponse(const QString &clientInfo, const QByteArray &datagram,
                           const QByteArray &plainText);

    void on_connectButton_clicked();
    void on_shutdownButton_clicked();

    void lookupFinished(const QHostInfo &hostInfo);

private:

    void updateUi();
    void startNewConnection(const QHostAddress &address);

    Ui::MainWindow *ui = nullptr;

    using AssocPtr = QSharedPointer<DtlsAssociation>;
    QVector<AssocPtr> connections;

    QString nameTemplate;
    unsigned nextId = 0;

    quint16 port = 0;
    int lookupId = -1;
};

#endif // MAINWINDOW_H