uint16_t UDPNetworkSocket::getPort() const {
if(data->port > 0)
return data->port;
#ifdef UTIL_HAVE_LIB_SDL2_NET
IPaddress* sdlAddress = SDLNet_UDP_GetPeerAddress(data->udpsock, -1);
if(!sdlAddress) {
std::cerr << "SDLNet_UDP_GetPeerAddress: " << SDLNet_GetError() << "\n";
return 0;
}
IPv4Address address = fromSDLIPv4Address(*sdlAddress);
return address.getPort();
#elif defined(__linux__) || defined(__unix__) || defined(ANDROID)
struct sockaddr_in localAddress;
socklen_t addressLength = sizeof(localAddress);
if(getsockname(data->udpSocket, reinterpret_cast<struct sockaddr*>(&localAddress), &addressLength)) {
int error = errno;
WARN(std::string(strerror(error)));
return 0;
}
IPv4Address address = fromSockaddr(localAddress);
return address.getPort();
#else
return 0;
#endif
}
