pana_cookie.h

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/* Open Diameter: Open-source software for the Diameter and               */
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#ifndef __PANA_COOKIE_H__
#define __PANA_COOKIE_H__

#include "ace/Synch.h"
#include "ace/Singleton.h"
#include <string>

class PANA_Cookie
{
    public:
        typedef enum {
            default_table_size_ = 5,
        };

    public:
        PANA_Cookie();

        virtual ~PANA_Cookie() { }

        bool Generate(std::string &id, std::string &digest);

        bool Verify(std::string &id, std::string &digest);

        void Cycle();

    protected:
        bool Generate(ACE_UINT32 ndx, std::string &id, std::string &digest);

    private:

        ACE_UINT32 s_index_; 
        std::string s_table_[default_table_size_]; 
};

typedef ACE_Singleton<PANA_Cookie, ACE_Null_Mutex> PANA_Cookie_S;

#define PANA_COOKIE_GENERATE(x, y) PANA_Cookie_S::instance()->Generate((x), (y))
#define PANA_COOKIE_VERIFY(x, y)   PANA_Cookie_S::instance()->Verify((x), (y))
#define PANA_COOKIE_CYCLE()        PANA_Cookie_S::instance()->Cycle()

#endif // __PANA_COOKIE_H__

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