/**************************************************************************** ** ** Portions Copyright (C) 2012 Research In Motion Limited. ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Research In Motion Ltd. (http://www.rim.com/company/contact/) ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the BB10 Platform and is derived ** from a similar file that is part of the Qt Toolkit. ** ** 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 Research In Motion, nor the name of Nokia ** Corporation and its Subsidiary(-ies), 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." ** ****************************************************************************/ #ifndef RECEIVER_HPP #define RECEIVER_HPP #include <QtCore/QObject> #include <QtNetwork/QHostAddress> class QUdpSocket; /** * The Receiver class handles the processing of the incoming UDP multicast datagrams. * It uses a QUdpSocket to retrieve the multicast datagrams and makes the content of * the multicast datagram available to the UI via the 'status' property. */ class Receiver : public QObject { Q_OBJECT // The property that makes the content of a received multicast datagram available to the UI Q_PROPERTY(QString status READ status NOTIFY statusChanged) public: Receiver(QObject *parent = 0); Q_SIGNALS: // The change notification signal of the status property void statusChanged(); private Q_SLOTS: // This method is called whenever a new multicast datagram arrived on the socket void processPendingDatagrams(); private: // The accessor method of the status property QString status() const; // The UDP socket object QUdpSocket *m_udpSocket; // The multicast address to listen on QHostAddress m_groupAddress; // The content of the received multicast datagram QString m_status; }; #endif