i2pd/LeaseSet.h

#ifndef LEASE_SET_H__
#define LEASE_SET_H__

#include <inttypes.h>
#include <string.h>
#include <vector>
#include "Identity.h"

namespace i2p
{

namespace tunnel
{
    class TunnelPool;
}

namespace data
{   
    struct Lease
    {
        IdentHash tunnelGateway;
        uint32_t tunnelID;
        uint64_t endDate;

        bool operator< (const Lease& other) const 
        {
            if (endDate != other.endDate)
                return endDate > other.endDate;
            else
                return tunnelID < other.tunnelID; 
        }   
    };  

    const int MAX_LS_BUFFER_SIZE = 3072;    
    class LeaseSet: public RoutingDestination
    {
        public:

            LeaseSet (const uint8_t * buf, size_t len);
            LeaseSet (const i2p::tunnel::TunnelPool& pool);
            ~LeaseSet () { delete[] m_Buffer; };
            void Update (const uint8_t * buf, size_t len);
            const IdentityEx& GetIdentity () const { return m_Identity; };          

            const uint8_t * GetBuffer () const { return m_Buffer; };
            size_t GetBufferLen () const { return m_BufferLen; };   
            bool IsValid () const { return m_IsValid; };

            // implements RoutingDestination
            const IdentHash& GetIdentHash () const { return m_Identity.GetIdentHash (); };
            const std::vector<Lease>& GetLeases () const { return m_Leases; };
            const std::vector<Lease> GetNonExpiredLeases (bool withThreshold = true) const;
            bool HasExpiredLeases () const;
            bool HasNonExpiredLeases () const;
            const uint8_t * GetEncryptionPublicKey () const { return m_EncryptionKey; };
            bool IsDestination () const { return true; };

        private:

            void ReadFromBuffer ();
            
        private:

            bool m_IsValid;
            std::vector<Lease> m_Leases;
            IdentityEx m_Identity;
            uint8_t m_EncryptionKey[256];
            uint8_t * m_Buffer;
            size_t m_BufferLen;
    };  
}       
}   

#endif