Program Listing for File ip_data_link_layer.h

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#pragma once

#include "config.h"
#ifdef USE_IP

#include <stdint.h>
#include "data_link_layer.h"
#include "ip_parameter_object.h"
#include "knx_ip_tunnel_connection.h"
#include "service_families.h"

class IpDataLinkLayer : public DataLinkLayer
{
        using DataLinkLayer::_deviceObject;

    public:
        IpDataLinkLayer(DeviceObject& devObj, IpParameterObject& ipParam, NetworkLayerEntity& netLayerEntity,
                        Platform& platform, DataLinkLayerCallbacks* dllcb = nullptr);

        void loop();
        void enabled(bool value);
        bool enabled() const;
        DptMedium mediumType() const override;
#ifdef KNX_TUNNELING
        void dataRequestToTunnel(CemiFrame& frame) override;
        void dataConfirmationToTunnel(CemiFrame& frame) override;
        void dataIndicationToTunnel(CemiFrame& frame) override;
        bool isTunnelAddress(uint16_t addr) override;
        bool isSentToTunnel(uint16_t address, bool isGrpAddr);
#endif

    private:
        bool _enabled = false;
        uint8_t _frameCount[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
        uint8_t _frameCountBase = 0;
        uint32_t _frameCountTimeBase = 0;
        bool sendFrame(CemiFrame& frame);
#ifdef KNX_TUNNELING
        void sendFrameToTunnel(KnxIpTunnelConnection* tunnel, CemiFrame& frame);
        void loopHandleConnectRequest(uint8_t* buffer, uint16_t length, uint32_t& src_addr, uint16_t& src_port);
        void loopHandleConnectionStateRequest(uint8_t* buffer, uint16_t length);
        void loopHandleDisconnectRequest(uint8_t* buffer, uint16_t length);
        void loopHandleDescriptionRequest(uint8_t* buffer, uint16_t length);
        void loopHandleDeviceConfigurationRequest(uint8_t* buffer, uint16_t length);
        void loopHandleTunnelingRequest(uint8_t* buffer, uint16_t length);
#endif
#if KNX_SERVICE_FAMILY_CORE >= 2
        void loopHandleSearchRequestExtended(uint8_t* buffer, uint16_t length);
#endif
        bool sendBytes(uint8_t* buffer, uint16_t length);
        bool isSendLimitReached();
        IpParameterObject& _ipParameters;
        DataLinkLayerCallbacks* _dllcb;
#ifdef KNX_TUNNELING
    KnxIpTunnelConnection tunnels[KNX_TUNNELING];
    uint8_t _lastChannelId = 0;
#endif
};
#endif