Method Request

library/cpp/netliba/v12/ib_test.cpp:52–80

            }
        }
        void Request(const char* hostName, int port, TWelcomeSocketAddr* res) {
            TUdpAddress addr1 = CreateAddress(hostName, port);
            printf("addr = %s\n", GetAddressAsString(addr1).c_str());

            sockaddr_in6 sockAddr;
            GetWinsockAddr(&sockAddr, addr1);

            for (;;) {
                char buf[10000];
                size_t sz = sizeof(buf);
                TSockAddrPair addr2;
                bool rv = s.RecvFrom(buf, &sz, &addr2);
                if (rv) {
                    if (sz == sizeof(TWelcomeSocketAddr) + HDR_SIZE) {
                        *res = *(TWelcomeSocketAddr*)(buf + HDR_SIZE);
                        break;
                    }
                    printf("Get unexpected %d bytes from somewhere?\n", (int)sz);
                }

                strcpy(buf + HDR_SIZE, "Hello_IB");
                TUdpSocket::ESendError err = s.SendTo(buf, strlen(buf + HDR_SIZE) + 1 + HDR_SIZE, {sockAddr, addr2.MyAddr}, 0, FF_ALLOW_FRAG); // TODO: choose tos
                if (err != TUdpSocket::SEND_OK) {
                    printf("SendTo() fail %d\n", err);
                }

                Sleep(TDuration::MilliSeconds(100));
            }
        }
    };

    // can hang if opposite side exits, but it's only basic test