hyperion.ng/include/forwarder/MessageForwarder.h

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#pragma once
// STL includes
#include <vector>
#include <map>
#include <cstdint>
#include <limits>
// QT includes
#include <QList>
#include <QStringList>
#include <QHostAddress>
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#include <QJsonObject>
#include <QJsonArray>
#include <QJsonDocument>
// Utils includes
#include <utils/ColorRgb.h>
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#include <utils/settings.h>
#include <utils/Logger.h>
#include <utils/Components.h>
#include <utils/Image.h>
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// Hyperion includes
#include <hyperion/PriorityMuxer.h>
// Forward declaration
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class Hyperion;
class QTcpSocket;
class FlatBufferConnection;
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class MessageForwarder : public QObject
{
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Q_OBJECT
public:
MessageForwarder(Hyperion* hyperion);
~MessageForwarder() override;
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void addJsonTarget(const QJsonObject& targetConfig);
void addFlatbufferTarget(const QJsonObject& targetConfig);
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private slots:
///
/// @brief Handle settings update from Hyperion Settingsmanager emit or this constructor
/// @param type settingyType from enum
/// @param config configuration object
///
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void handleSettingsUpdate(settings::type type, const QJsonDocument &config);
///
/// @brief Handle component state change MessageForwarder
/// @param component The component from enum
/// @param enable The new state
///
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void handleCompStateChangeRequest(hyperion::Components component, bool enable);
///
/// @brief Handle priority updates from Priority Muxer
/// @param priority The new visible priority
///
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void handlePriorityChanges(quint8 priority);
///
/// @brief Forward message to all json target hosts
/// @param message The JSON message to send
///
void forwardJsonMessage(const QJsonObject &message);
///
/// @brief Forward image to all flatbuffer target hosts
/// @param image The flatbuffer image to send
///
void forwardFlatbufferMessage(const QString& name, const Image<ColorRgb> &image);
///
/// @brief Forward message to a single json target host
/// @param message The JSON message to send
/// @param socket The TCP-Socket with the connection to the target host
///
void sendJsonMessage(const QJsonObject &message, QTcpSocket *socket);
private:
struct TargetHost {
QHostAddress host;
quint16 port;
bool operator == (TargetHost const& a) const
{
return ((host == a.host) && (port == a.port));
}
};
/// Hyperion instance
Hyperion *_hyperion;
/// Logger instance
Logger *_log;
/// Muxer instance
PriorityMuxer *_muxer;
// JSON connections for forwarding
QList<TargetHost> _jsonTargets;
/// Flatbuffer connection for forwarding
QList<TargetHost> _flatbufferTargets;
QList<FlatBufferConnection*> _forwardClients;
/// Flag if forwarder is enabled
bool _forwarder_enabled = true;
const int _priority;
};