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#pragma once 
 
#include "hash.h"
 
#include <util/generic/hash.h>
#include <util/generic/utility.h>
#include <util/network/address.h> 
#include <util/network/init.h>
 
#include <string.h>
 
namespace NBus { 
    class TNetAddr; 
} 
 
namespace NBus {
    namespace NPrivate {
        enum EAddrFamily {
            ADDR_UNSPEC = AF_UNSPEC,
            ADDR_IPV4 = AF_INET,
            ADDR_IPV6 = AF_INET6,
        };
 
        class TBusIpAddr {
        private:
            EAddrFamily Af;
 
            union {
                in_addr In4;
                in6_addr In6;
            };
 
        public:
            TBusIpAddr() {
                Clear();
            }
 
            EAddrFamily GetAddrFamily() const {
                return Af;
            }
 
            void Clear() {
                Zero(*this);
            }
 
            in_addr GetInAddr() const {
                Y_ASSERT(Af == ADDR_IPV4);
                return In4;
            }
 
            void SetInAddr(const in_addr& in4) {
                Clear();
                Af = ADDR_IPV4;
                In4 = in4;
            }
 
            in6_addr GetIn6Addr() const {
                Y_ASSERT(Af == ADDR_IPV6);
                return In6;
            }
 
            void SetIn6Addr(const in6_addr& in6) {
                Clear();
                Af = ADDR_IPV6;
                In6 = in6;
            }
 
            bool operator==(const TBusIpAddr& that) const {
                return memcmp(this, &that, sizeof(that)) == 0;
            }
        };
 
        class TBusSocketAddr {
        public:
            TBusIpAddr IpAddr;
            ui16 Port;
 
            //Only makes sense for IPv6 link-local addresses
            ui32 IPv6ScopeID;
 
            TBusSocketAddr()
                : Port(0)
                , IPv6ScopeID(0)
            {
            }
 
            TBusSocketAddr(const NAddr::IRemoteAddr*);
            TBusSocketAddr(const TNetAddr&);
            TBusSocketAddr(TStringBuf host, unsigned port);

            TNetAddr ToNetAddr() const;
 
            bool operator==(const TBusSocketAddr& that) const {
                return IpAddr == that.IpAddr && Port == that.Port;
            }
        };
 
    }
}
 
template <> 
struct THash<NBus::NPrivate::TBusIpAddr> { 
    inline size_t operator()(const NBus::NPrivate::TBusIpAddr& a) const { 
        return ComputeHash(TStringBuf((const char*)&a, sizeof(a)));
    } 
}; 
 
template <> 
struct THash<NBus::NPrivate::TBusSocketAddr> { 
    inline size_t operator()(const NBus::NPrivate::TBusSocketAddr& a) const { 
        return HashValues(a.IpAddr, a.Port); 
    } 
};