inetresolver.h

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#ifndef INETRESOLVER_H
#define INETRESOLVER_H
 
#include <vector>
#include <string>
 
class InetResolver {
public:
    enum Type {
        UNDEFINED,
        IN4,
        IN6,
    };
    typedef void _in_addr;
    typedef void _in6_addr;
    struct Addr {
        Type type = UNDEFINED;
        std::vector<std::vector<char>> addr;
        size_t size() const
        {
            return addr.size();
        }
        bool empty() const
        {
            return size() == 0;
        }
        operator bool () const
        {
            return !empty();
        }
        _in_addr const *to_in4(size_t i) const
        {
            return reinterpret_cast<_in_addr const *>(addr[i].data());
        }
        _in6_addr const *to_in6(size_t i) const
        {
            return reinterpret_cast<_in6_addr const *>(addr[i].data());
        }
        std::string to_string(size_t i = 0) const;
    };
    bool resolve(char const *name, Type type, Addr *out);
};
 
 
#endif // INETRESOLVER_H