ESocketErrors FSocketSubsystemBSDIPv6::GetHostByName(const ANSICHAR* HostName, FInternetAddr& OutAddr)
{
FScopeLock ScopeLock(&HostByNameSynch);
addrinfo* AddrInfo = NULL;
// We are only interested in IPv6 addresses.
addrinfo HintAddrInfo;
FMemory::Memzero(&HintAddrInfo, sizeof(HintAddrInfo));
HintAddrInfo.ai_family = AF_INET6;
int32 ErrorCode = getaddrinfo(HostName, NULL, &HintAddrInfo, &AddrInfo);
ESocketErrors SocketError = TranslateGAIErrorCode(ErrorCode);
if (SocketError == SE_NO_ERROR)
{
for (; AddrInfo != nullptr; AddrInfo = AddrInfo->ai_next)
{
if (AddrInfo->ai_family == AF_INET6)
{
sockaddr_in6* IPv6SockAddr = reinterpret_cast<sockaddr_in6*>(AddrInfo->ai_addr);
if (IPv6SockAddr != nullptr)
{
static_cast<FInternetAddrBSDIPv6&>(OutAddr).SetIp(IPv6SockAddr->sin6_addr);
return SE_NO_ERROR;
}
}
}
return SE_HOST_NOT_FOUND;
}
return SocketError;
}
ESocketErrors FSocketSubsystemBSD::GetHostByName(const ANSICHAR* HostName, FInternetAddr& OutAddr)
{
#if PLATFORM_HAS_BSD_SOCKET_FEATURE_GETHOSTNAME
FScopeLock ScopeLock(&HostByNameSynch);
addrinfo* AddrInfo = nullptr;
// Limit the IP Addresses we get back to just IPv4
addrinfo HintAddrInfo;
FMemory::Memzero(&HintAddrInfo, sizeof(HintAddrInfo));
HintAddrInfo.ai_family = AF_INET;
int32 ErrorCode = getaddrinfo(HostName, nullptr, &HintAddrInfo, &AddrInfo);
ESocketErrors SocketError = TranslateGAIErrorCode(ErrorCode);
if (SocketError == SE_NO_ERROR)
{
for (; AddrInfo != nullptr; AddrInfo = AddrInfo->ai_next)
{
if (AddrInfo->ai_family == AF_INET)
{
sockaddr_in* IPv4SockAddr = reinterpret_cast<sockaddr_in*>(AddrInfo->ai_addr);
if (IPv4SockAddr != nullptr)
{
uint32 HostIP = ntohl(IPv4SockAddr->sin_addr.s_addr);
static_cast<FInternetAddrBSD&>(OutAddr).SetIp(HostIP);
return SE_NO_ERROR;
}
}
}
return SE_HOST_NOT_FOUND;
}
return SocketError;
#else
UE_LOG(LogSockets, Error, TEXT("Platform has no getaddrinfo(), but did not override FSocketSubsystem::GetHostByName()"));
return SE_NO_RECOVERY;
#endif
}
