network_layer.h

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#pragma once
 
#include <stdint.h>
#include "knx_types.h"
#include "npdu.h"
#include "transport_layer.h"
#include "network_layer_entity.h"
 
class DeviceObject;
class APDU;
 
class NetworkLayer
{
        friend class NetworkLayerEntity;
 
    public:
        NetworkLayer(DeviceObject& deviceObj, TransportLayer& layer);
 
        uint8_t hopCount() const;
        bool isApciSystemBroadcast(APDU& apdu);
 
        // from transport layer
        virtual void dataIndividualRequest(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu) = 0;
        virtual void dataGroupRequest(AckType ack, uint16_t destination, HopCountType hopType, Priority priority, TPDU& tpdu) = 0;
        virtual void dataBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu) = 0;
        virtual void dataSystemBroadcastRequest(AckType ack, HopCountType hopType, Priority priority, TPDU& tpdu) = 0;
 
    protected:
        DeviceObject& _deviceObj;
        TransportLayer& _transportLayer;
 
        // from entities
        virtual void dataIndication(AckType ack, AddressType addType, uint16_t destination, FrameFormat format, NPDU& npdu,
                                    Priority priority, uint16_t source, uint8_t srcIfIdx) = 0;
        virtual void dataConfirm(AckType ack, AddressType addressType, uint16_t destination, FrameFormat format, Priority priority,
                                 uint16_t source, NPDU& npdu, bool status, uint8_t srcIfIdx) = 0;
        virtual void broadcastIndication(AckType ack, FrameFormat format, NPDU& npdu,
                                         Priority priority, uint16_t source, uint8_t srcIfIdx) = 0;
        virtual void broadcastConfirm(AckType ack, FrameFormat format, Priority priority, uint16_t source, NPDU& npdu, bool status, uint8_t srcIfIdx) = 0;
        virtual void systemBroadcastIndication(AckType ack, FrameFormat format, NPDU& npdu,
                                               Priority priority, uint16_t source, uint8_t srcIfIdx) = 0;
        virtual void systemBroadcastConfirm(AckType ack, FrameFormat format, Priority priority, uint16_t source, NPDU& npdu, bool status, uint8_t srcIfIdx) = 0;
 
    private:
        uint8_t _hopCount; // Network Layer Parameter hop_count for the device's own outgoing frames (default value from PID_ROUTING_COUNT)
};