hyperion.ng/include/protoserver/ProtoServer.h

#pragma once

// system includes
#include <cstdint>

// Qt includes
#include <QSet>
#include <QList>
#include <QStringList>
#include <QJsonDocument>

// hyperion includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/VideoMode.h>
#include <utils/Logger.h>
#include <utils/Components.h>

// settings
#include <utils/settings.h>

// forward decl
class ProtoClientConnection;
class ProtoConnection;
class QTcpServer;
class Hyperion;
class BonjourServiceRegister;

namespace proto {
class HyperionRequest;
}

///
/// This class creates a TCP server which accepts connections wich can then send
/// in Protocol Buffer encoded commands. This interface to Hyperion is used by
/// hyperion-remote to control the leds
///
class ProtoServer : public QObject
{
	Q_OBJECT

public:
	///
	/// ProtoServer constructor
	/// @param config the configuration
	///
	ProtoServer(const QJsonDocument& config);
	~ProtoServer();

	///
	/// @return the port number on which this TCP listens for incoming connections
	///
	uint16_t getPort() const;

public slots:

	///
	/// @brief Handle settings update from Hyperion Settingsmanager emit or this constructor
	/// @param type   settingyType from enum
	/// @param config configuration object
	///
	void handleSettingsUpdate(const settings::type& type, const QJsonDocument& config);

private slots:
	///
	/// Slot which is called when a client tries to create a new connection
	///
	void newConnection();

	///
	/// Slot which is called when a client closes a connection
	/// @param connection The Connection object which is being closed
	///
	void closedConnection(ProtoClientConnection * connection);

private:
	/// Hyperion instance
	Hyperion * _hyperion;

	/// The TCP server object
	QTcpServer * _server;

	/// List with open connections
	QSet<ProtoClientConnection *> _openConnections;

	/// Logger instance
	Logger * _log;

	/// Service register
	BonjourServiceRegister * _serviceRegister = nullptr;

	uint16_t _port = 0;

	/// Start server
	void start();
	/// Stop server
	void stop();
};