libstb-hal/libdvbci/dvbci_session.h

#ifndef __dvbci_dvbci_tc_h
#define __dvbci_dvbci_tc_h

#include <ca_ci.h>

#define SLMS 256

#define ROOT_CERT     "/etc/ssl/certs/root.pem"
#define CUSTOMER_CERT "/etc/ssl/certs/customer.pem"
#define DEVICE_CERT   "/etc/ssl/certs/device.pem"

class eDVBCISession
{
		static eDVBCISession *sessions[SLMS];
		static eDVBCISession *createSession(eDVBCISlot *slot, const unsigned char *resource_identifier, unsigned char &status);
		static void sendSPDU(eDVBCISlot *slot, unsigned char tag, const void *data, int len, unsigned short session_nb, const void *apdu = 0, int alen = 0);
		static void sendOpenSessionResponse(eDVBCISlot *slot, unsigned char session_status, const unsigned char *resource_identifier, unsigned short session_nb);
		void recvCreateSessionResponse(const unsigned char *data);
		void recvCloseSessionRequest(const unsigned char *data);
	protected:
		int state;
		int status;
		int action;
		eDVBCISlot *slot;
		unsigned short session_nb;
		virtual int receivedAPDU(const unsigned char *tag, const void *data, int len) = 0;
		void sendAPDU(const unsigned char *tag, const void *data = 0, int len = 0);
		virtual int doAction() = 0;
		void handleClose();
	public:
		virtual ~eDVBCISession();

		static void deleteSessions(const eDVBCISlot *slot);
		void sendSPDU(unsigned char tag, const void *data, int len, const void *apdu = 0, int alen = 0);

		int poll()
		{
			if (action)
			{
				action = doAction();
				return 1;
			}
			return 0;
		}
		enum { stateInCreation, stateBusy, stateInDeletion, stateStarted, statePrivate};

		static int parseLengthField(const unsigned char *pkt, int &len);
		static int buildLengthField(unsigned char *pkt, int len);

		static void receiveData(eDVBCISlot *slot, const unsigned char *ptr, size_t len);

		int getState()
		{
			return state;
		}
		int getStatus()
		{
			return status;
		}

		static int pollAll();
};

class eDVBCIHostControlSession: public eDVBCISession
{
		enum
		{
			stateFinal = statePrivate
		};
		eDVBCISlot *slot;
		int receivedAPDU(const unsigned char *tag, const void *data, int len);
		int doAction();
	public:
		eDVBCIHostControlSession(eDVBCISlot *tslot);
		~eDVBCIHostControlSession();
};


#endif