dvbci_session.h

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#ifndef __dvbci_dvbci_tc_h
#define __dvbci_dvbci_tc_h
 
#include <lib/base/ebase.h>
#include <lib/base/object.h>
#include <lib/dvb_ci/dvbci.h>
 
#define SLMS  256
 
class eDVBCISession
{
  DECLARE_REF(eDVBCISession);
  static ePtr<eDVBCISession> sessions[SLMS];
  static void createSession(eDVBCISlot *slot, const unsigned char *resource_identifier, unsigned char &status, ePtr<eDVBCISession> &ptr);
  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;   //base only
  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);
  void sendSPDU(unsigned char tag, const void *data, int len,const void *apdu=0, int alen=0);
  virtual int doAction()=0;
  void handleClose();
public:
  virtual ~eDVBCISession();
 
  static void deleteSessions(const eDVBCISlot *slot);
 
  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();
 
};
 
#endif