net.hpp

#pragma once

#include <memory>
#include <sstream>
//#include "../src/cs/config.hpp"


/// Formatted string, allows to use stream operators and returns a std::string with the resulting format
#define fs(x) \
   (static_cast<const std::ostringstream&>(((*std::make_unique<std::ostringstream>().get()) << x)).str ())

namespace uvpp
{
    typedef sockaddr_in ip4_addr;
    typedef sockaddr_in6 ip6_addr;

    inline ip4_addr to_ip4_addr(const std::string& ip, int port)
    { 
        ip4_addr result;
        int res = 0;
        if ((res = uv_ip4_addr(ip.c_str(), port, &result)) != 0)
            throw exception(fs("uv_ip4_addr error: " << error(res).str()));
        return result;
    }

    inline ip6_addr to_ip6_addr(const std::string& ip, int port)
    { 
        ip6_addr result;
        int res = 0;
        if ((res = uv_ip6_addr(ip.c_str(), port, &result)) != 0)
            throw exception(fs("uv_ip6_addr error: " << error(res).str()));
        return result;
    }

    inline bool from_ip4_addr(ip4_addr* src, std::string& ip, int& port)
    {
        char dest[16];
        if(uv_ip4_name(src, dest, 16) == 0)
        {
            ip = dest;
            port = static_cast<int>(ntohs(src->sin_port));
            return true;
        }
        return false;
    }

    inline bool from_ip6_addr(ip6_addr* src, std::string& ip, int& port)
    {
        char dest[46];
        if(uv_ip6_name(src, dest, 46) == 0)
        {
            ip = dest;
            port = static_cast<int>(ntohs(src->sin6_port));
            return true;
        }
        return false;
    }
}
#undef fs