pana_client.h

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/* Open Diameter: Open-source software for the Diameter and               */
/*                Diameter related protocols                              */
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#ifndef __PANA_CLIENT_H__
#define __PANA_CLIENT_H__

#include "pana_exports.h"
#include "pana_session.h"
#include "pana_provider_info.h"

class PANA_EXPORT PANA_ClientEventInterface : public PANA_SessionEventInterface
{
   public:
      virtual void EapStart() = 0;
      virtual void ChooseISP(const PANA_CfgProviderList &list,
                             PANA_CfgProviderInfo *&choice) = 0;
      virtual void EapRequest(AAAMessageBlock *request,
                              PANA_PINFO provider = PANA_PINFO_NONE,
                              const PANA_CfgProviderInfo *pInfo = NULL) = 0;
      virtual void EapRequest(AAAMessageBlock *request,
                              ACE_UINT32 resultCode,
                              ACE_UINT32 pcap,
                              PANA_DeviceIdContainer &epId) = 0;
      virtual void AuthorizePeer(PANA_DeviceId &peer, bool reAuth) {};
};

class PANA_EXPORT PANA_Client : public PANA_Session
{
   public:
      PANA_Client(PANA_SessionTxInterface &tp,
                  PANA_SessionTimerInterface &tm,
                  PANA_ClientEventInterface &ev) :
             PANA_Session(tp, tm, ev),
            m_IspSelected(false),
            m_RegenerateKey(true) { }
      virtual ~PANA_Client() { }

      virtual void SendDiscover();

      virtual void ReceiveStartRequest();
      virtual void SendStartAnswer(AAAMessageBlock *response);

      virtual void ReceiveEapRequest();
      virtual void SendEapResponse(AAAMessageBlock *response);

      virtual void ReceiveBindRequest();
      virtual void SendBindAnswer();

      virtual void ReceiveEapReAuthRequest();

      virtual void RetryDiscover();
      virtual void RetryStartAnswer();

      virtual void SendEapMessage(AAAMessageBlock *response) {
          (m_InStatefulDiscovery) ? SendStartAnswer(response) :
                                    SendEapResponse(response);
      }

      virtual void MSK(diameter_octetstring_t &m) {
          if (m_RegenerateKey) {
              m_SA.MSK(m, m_InitialPacTsec, m_InitialPaaTsec);
              m_RegenerateKey = false;
          }
      }
    
   private:
      virtual void DestinationAddressFormatting(PANA_Message &msg,
                                    AAAMessageBlock *eapPayload = NULL);
      virtual bool IspSelection(AAAAvpContainer* isp);

   private:
      // Pac specific variables
      bool m_IspSelected;
      bool m_RegenerateKey;
      diameter_octetstring_t m_Cookie;
};

#endif /* __PANA_CLIENT_H__ */

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