1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSerialBus module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 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 http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QMODBUSTCPSERVER_H 38 #define QMODBUSTCPSERVER_H 39 40 #include <QtSerialBus/qmodbuspdu.h> 41 #include <QtSerialBus/qmodbusserver.h> 42 43 QT_BEGIN_NAMESPACE 44 45 class QModbusTcpServerPrivate; 46 class QTcpSocket; 47 48 class Q_SERIALBUS_EXPORT QModbusTcpConnectionObserver 49 { 50 public: 51 virtual ~QModbusTcpConnectionObserver(); 52 53 virtual bool acceptNewConnection(QTcpSocket *newClient) = 0; 54 }; 55 56 class Q_SERIALBUS_EXPORT QModbusTcpServer : public QModbusServer 57 { 58 Q_OBJECT 59 Q_DECLARE_PRIVATE(QModbusTcpServer) 60 61 public: 62 explicit QModbusTcpServer(QObject *parent = nullptr); 63 ~QModbusTcpServer(); 64 65 void installConnectionObserver(QModbusTcpConnectionObserver *observer); 66 67 Q_SIGNALS: 68 void modbusClientDisconnected(QTcpSocket *modbusClient); 69 70 protected: 71 QModbusTcpServer(QModbusTcpServerPrivate &dd, QObject *parent = nullptr); 72 73 bool open() override; 74 void close() override; 75 76 QModbusResponse processRequest(const QModbusPdu &request) override; 77 }; 78 79 QT_END_NAMESPACE 80 81 #endif // QMODBUSTCPSERVER_H 82