#if !defined(SdpCandidatePair_hxx)
#define SdpCandidatePair_hxx

#include "SdpCandidate.hxx"

namespace sdpcontainer
{

class SdpCandidatePair
{
public:

   typedef enum
   {
      CHECK_STATE_FROZEN,
      CHECK_STATE_WAITING,
      CHECK_STATE_INPROGRESS,
      CHECK_STATE_SUCCEEDED,
      CHECK_STATE_FAILED
   } SdpCandidatePairCheckState;
   static const char* SdpCandidatePairCheckStateString[];

   typedef enum
   {
      OFFERER_LOCAL,
      OFFERER_REMOTE
   } SdpCandidatePairOffererType;
   static const char* SdpCandidatePairOffererTypeString[];

   SdpCandidatePair(const SdpCandidate& localCandidate,
                    const SdpCandidate& remoteCandidate,
                    SdpCandidatePairOffererType offerer);

   SdpCandidatePair(const SdpCandidatePair& rSdpCandidatePair);

   virtual
   ~SdpCandidatePair();

   SdpCandidatePair& operator=(const SdpCandidatePair& rhs);
   bool operator<(const SdpCandidatePair& rhs) const;

   void setLocalCandidate(const SdpCandidate& localCandidate) { mLocalCandidate = localCandidate; resetPriority(); }
   void setRemoteCandidate(const SdpCandidate& remoteCandidate) { mRemoteCandidate = remoteCandidate; resetPriority(); }
   void setOfferer(const SdpCandidatePairOffererType offerer) { mOfferer = offerer; resetPriority(); }
   bool setCheckState(const SdpCandidatePairCheckState checkState);

   void toString(resip::Data& sdpCandidateString) const;

   const SdpCandidate& getLocalCandidate() const { return mLocalCandidate; }
   const SdpCandidate& getRemoteCandidate() const { return mRemoteCandidate; }
   SdpCandidatePairOffererType getOfferer() const { return mOfferer; }
   uint64_t getPriority() const { return mPriority; }
   SdpCandidatePairCheckState getCheckState() const { return mCheckState; }

private:
   void resetPriority();

   SdpCandidate mLocalCandidate;
   SdpCandidate mRemoteCandidate;
   SdpCandidatePairOffererType mOfferer;
   uint64_t     mPriority;
   SdpCandidatePairCheckState mCheckState;

   friend EncodeStream& operator<<(EncodeStream& strm, const SdpCandidatePair& );
};

EncodeStream& operator<< ( EncodeStream& strm, const SdpCandidatePair& );

} // namespace

#endif  

/* ====================================================================

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