Unreal Sockets

void amatchmaker::preparejoin(const fstring host)
{
    gengine->addonscreendebugmessage(-1, 5.f, fcolor::cyan, "preparejoin");

    ionlinesubsystem* onlinesub = online::getsubsystem(getworld());

    if (onlinesub)
    {

        if (gengine->createnamednetdriver(getworld(), name_gamenetdriver, name_gamenetdriver))
        {
            gengine->addonscreendebugmessage(-1, 5.f, fcolor::green, "success creating netdriver");

            gengine->addonscreendebugmessage(-1, 5.f, fcolor::emerald, fstring("port from new netdriver: ").append(fstring::fromint(getportfromnetdriver(onlinesub->getinstancename()))));

            unetdriver* netdriver = getworld() ? gengine->findnamednetdriver(getworld(), name_gamenetdriver) : null;

            if (netdriver)
            {
                uipnetdriver* ipnetdriver = cast<uipnetdriver>(netdriver);

                if (ipnetdriver)
                {
                    fstring error;

                    //ipnetdriver->initlisten(getworld(), localurl, false, error);

                    ipnetdriver->initconnect(getworld(), furl(), error);

                    gengine->addonscreendebugmessage(-1, 5.f, fcolor::red, error);

                    socket = ipnetdriver->socket;

                    if (socket)
                    {
                        //tsharedptr<finternetaddr> outaddr;

                        //socket->getaddress(outaddr);

                        gengine->addonscreendebugmessage(-1, 5.f, fcolor::cyan, fstring("port from new socket: ").append(fstring::fromint(socket->getportno())));

                        ftimespan threadwaittime = ftimespan::frommilliseconds(100);
                        udpreceiver = new fudpsocketreceiver(socket, threadwaittime, text("udp receiver"));
                        udpreceiver->ondatareceived().binduobject(this, &amatchmakeractor::recv);
                        udpreceiver->start();


                        fstring remoteurl = fstring("stun.l.google.com");

                        faddressinforesult addrinforesult = isocketsubsystem::get(platform_socketsubsystem)->getaddressinfo(*remoteurl, nullptr, eaddressinfoflags::default, esocketprotocolfamily::none, esockettype::socktype_unknown);

                        faddressinforesultdata* dnsresult = addrinforesult.results.getdata();

                        if (dnsresult == nullptr)
                        {
                            gengine->addonscreendebugmessage(-1, 5.f, fcolor::red, "no dns result");
                            return;
                        }

                        uint32 ip;

                        dnsresult->address->getip(ip);

                        gengine->addonscreendebugmessage(-1, 5.f, fcolor::cyan, fstring("dns: ").append(dnsresult->address->tostring(false)));


                        int32 remoteport = 19302;
                        tsharedptr<finternetaddr> remoteaddr = isocketsubsystem::get(platform_socketsubsystem)->createinternetaddr();
                        remoteaddr->setip(ip);
                        remoteaddr->setport(remoteport);

                        int32 bytessent = 0;

                        fstring data = "what do you want";

                        farraywriter writer;

                        writer << data;

                        uint8* bytebuffer = new uint8();

                        int32 bytescopied = hextobytes("000100002112a4423b2430270358b8e359f073e5", bytebuffer);


                        socket->sendto(writer.getdata(), writer.num(), bytessent, *remoteaddr);

                        //socket->sendto(bytebuffer, bytescopied, bytessent, *remoteaddr);


                        gengine->addonscreendebugmessage(-1, 5.f, fcolor::green, fstring::fromint(bytessent));
                    }
                    else
                    {
                        gengine->addonscreendebugmessage(-1, 5.f, fcolor::red, "failed creating socket");
                    }
                }
            }

        }
        else
        {
            gengine->addonscreendebugmessage(-1, 5.f, fcolor::red, "failed creating netdriver");
        }
    }