hyperion.ng/include/udplistener/UDPListener.h

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#pragma once
// system includes
#include <cstdint>
// Qt includes
#include <QUdpSocket>
#include <QSet>
#include <QHostAddress>
// Hyperion includes
#include <hyperion/Hyperion.h>
#include <utils/Logger.h>
class UDPClientConnection;
///
/// This class creates a UDP server which accepts connections from boblight clients.
///
class UDPListener : public QObject
{
Q_OBJECT
public:
///
/// UDPListener constructor
/// @param hyperion Hyperion instance
/// @param port port number on which to start listening for connections
///
UDPListener(const int priority, const int timeout, const std::string& address, quint16 listenPort, bool shared);
~UDPListener();
///
/// @return the port number on which this UDP listens for incoming connections
///
uint16_t getPort() const;
///
/// @return true if server is active (bind to a port)
///
bool active() { return _isActive; };
public slots:
///
/// bind server to network
///
void start();
///
/// close server
///
void stop();
signals:
void statusChanged(bool isActive);
private slots:
///
/// Slot which is called when a client tries to create a new connection
///
void readPendingDatagrams();
void processTheDatagram(const QByteArray * _datagram);
private:
/// Hyperion instance
Hyperion * _hyperion;
/// The UDP server object
QUdpSocket * _server;
/// List with open connections
QSet<UDPClientConnection *> _openConnections;
/// hyperion priority
int _priority;
/// hyperion priority
int _timeout;
/// Logger instance
Logger * _log;
/// state of connection
bool _isActive;
/// address to bind
QHostAddress _listenAddress;
quint16 _listenPort;
QAbstractSocket::BindFlag _bondage;
};