1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2018 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the examples of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** BSD License Usage 18 ** Alternatively, you may use this file under the terms of the BSD license 19 ** as follows: 20 ** 21 ** "Redistribution and use in source and binary forms, with or without 22 ** modification, are permitted provided that the following conditions are 23 ** met: 24 ** * Redistributions of source code must retain the above copyright 25 ** notice, this list of conditions and the following disclaimer. 26 ** * Redistributions in binary form must reproduce the above copyright 27 ** notice, this list of conditions and the following disclaimer in 28 ** the documentation and/or other materials provided with the 29 ** distribution. 30 ** * Neither the name of The Qt Company Ltd nor the names of its 31 ** contributors may be used to endorse or promote products derived 32 ** from this software without specific prior written permission. 33 ** 34 ** 35 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 36 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 37 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 38 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 39 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 42 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 43 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 44 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 45 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 46 ** 47 ** $QT_END_LICENSE$ 48 ** 49 ****************************************************************************/ 50 #ifndef MAINWINDOW_H 51 #define MAINWINDOW_H 52 53 #include <QMainWindow> 54 #include <QSharedPointer> 55 #include <QVector> 56 57 QT_BEGIN_NAMESPACE 58 59 namespace Ui { 60 61 class MainWindow; 62 63 } 64 65 class QHostAddress; 66 class QHostInfo; 67 68 class DtlsAssociation; 69 70 QT_END_NAMESPACE 71 72 QT_USE_NAMESPACE 73 74 class MainWindow : public QMainWindow 75 { 76 Q_OBJECT 77 78 public: 79 explicit MainWindow(QWidget *parent = nullptr); 80 ~MainWindow(); 81 82 private slots: 83 84 void addErrorMessage(const QString &message); 85 void addWarningMessage(const QString &message); 86 void addInfoMessage(const QString &message); 87 void addServerResponse(const QString &clientInfo, const QByteArray &datagram, 88 const QByteArray &plainText); 89 90 void on_connectButton_clicked(); 91 void on_shutdownButton_clicked(); 92 93 void lookupFinished(const QHostInfo &hostInfo); 94 95 private: 96 void updateUi(); 97 void startNewConnection(const QHostAddress &address); 98 99 Ui::MainWindow *ui = nullptr; 100 101 using AssocPtr = QSharedPointer<DtlsAssociation>; 102 QVector<AssocPtr> connections; 103 104 QString nameTemplate; 105 unsigned nextId = 0; 106 107 quint16 port = 0; 108 int lookupId = -1; 109 }; 110 111 #endif // MAINWINDOW_H 112