hyperion.ng/libsrc/protoserver/ProtoClientConnection.h

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#pragma once
// stl includes
#include <string>
// Qt includes
#include <QByteArray>
#include <QTcpSocket>
// Hyperion includes
#include <hyperion/Hyperion.h>
// proto includes
#include "message.pb.h"
class ImageProcessor;
///
/// The Connection object created by \a ProtoServer when a new connection is establshed
///
class ProtoClientConnection : public QObject
{
Q_OBJECT
public:
///
/// Constructor
/// @param socket The Socket object for this connection
/// @param hyperion The Hyperion server
///
ProtoClientConnection(QTcpSocket * socket, Hyperion * hyperion);
///
/// Destructor
///
~ProtoClientConnection();
signals:
///
/// Signal which is emitted when the connection is being closed
/// @param connection This connection object
///
void connectionClosed(ProtoClientConnection * connection);
private slots:
///
/// Slot called when new data has arrived
///
void readData();
///
/// Slot called when this connection is being closed
///
void socketClosed();
private:
///
/// Handle an incoming Proto message
///
/// @param message the incoming message as string
///
void handleMessage(const proto::HyperionRequest &message);
///
/// Handle an incoming Proto Color message
///
/// @param message the incoming message
///
void handleColorCommand(const proto::ColorRequest & message);
///
/// Handle an incoming Proto Image message
///
/// @param message the incoming message
///
void handleImageCommand(const proto::ImageRequest & message);
///
/// Handle an incoming Proto Clear message
///
/// @param message the incoming message
///
void handleClearCommand(const proto::ClearRequest & message);
///
/// Handle an incoming Proto Clearall message
///
void handleClearallCommand();
///
/// Handle an incoming Proto message of unknown type
///
void handleNotImplemented();
///
/// Send a message to the connected client
///
/// @param message The Proto message to send
///
void sendMessage(const google::protobuf::Message &message);
///
/// Send a standard reply indicating success
///
void sendSuccessReply();
///
/// Send an error message back to the client
///
/// @param error String describing the error
///
void sendErrorReply(const std::string & error);
private:
/// The TCP-Socket that is connected tot the Proto-client
QTcpSocket * _socket;
/// The processor for translating images to led-values
ImageProcessor * _imageProcessor;
/// Link to Hyperion for writing led-values to a priority channel
Hyperion * _hyperion;
/// The buffer used for reading data from the socket
QByteArray _receiveBuffer;
};