cNetDNS.h

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//
//
 
#ifndef _INC_cNetDNS_H
#define _INC_cNetDNS_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cNetAddr.h"
 
namespace GrayLib
{
        UNITTEST2_PREDEF(cNetDNS);
 
        class GRAYLIB_LINK cNetDNS
        {
 
        public:
                cNetAddressArray m_AddrList;    
 
        public:
                cNetDNS() noexcept
                {
                }
                cNetDNS(const char* pszHost, NET_PORT_t wPortDefault = k_NET_PORT_INVALID)
                {
                        SetByName(pszHost, wPortDefault);
                }
 
                static cStringA GRAYCALL GetHostName(const cNetAddress& rAddr, bool bAliases = false);
                static cStringA GRAYCALL GetHostName2(const cNetAddress& rAddr, bool bAliases = false, OUT cStringA* psPort = nullptr, bool bWait = true);
 
                static bool GRAYCALL IsValidHostEntry(const hostent* pHostEnt);
                static const hostent* GRAYCALL FindHostEntryByName(const char* pszHostName);
 
                bool SetAddrList(const hostent* pHostEnt);
 
#ifdef USE_WINSOCK2_ADDR
                // Stuff not supported in <= Win2K or UNDER_CE
                static const addrinfo* GRAYCALL FindAddrInfoByName(const char* pszHostName, NET_PORT_t wPortDefault = k_NET_PORT_INVALID, sa_family_t nFamily = AF_UNSPEC);
                static void GRAYCALL FreeAddrInfoX(const addrinfo* pAddr);
                bool SetAddrList(const addrinfo* pAddr);
#endif
 
                HRESULT SetByName(const char* pszHost, NET_PORT_t wPortDefault = k_NET_PORT_INVALID);
                const cNetAddress* GetByFamily(sa_family_t nFamily = AF_UNSPEC) const;
                const cNetAddress* _cdecl GetByFamilyV(sa_family_t nFamily, ...)  const;
 
                UNITTEST_FRIEND(cNetDNS);
        };
} 
#endif // _INC_cNetDNS_H