diff options
| -rw-r--r-- | src/OSSupport/Network.cpp | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/src/OSSupport/Network.cpp b/src/OSSupport/Network.cpp index bee5bc09f..b916fd804 100644 --- a/src/OSSupport/Network.cpp +++ b/src/OSSupport/Network.cpp @@ -823,6 +823,8 @@ bool cServerHandleImpl::Listen(UInt16 a_Port) if (!IsValidSocket(MainSock)) { // Failed to create IPv6 socket, create an IPv4 one instead: + int err = EVUTIL_SOCKET_ERROR(); + LOGD("Failed to create IPv6 MainSock: %d (%s)", err, evutil_socket_error_to_string(err)); MainSock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if (!IsValidSocket(MainSock)) { @@ -850,9 +852,12 @@ bool cServerHandleImpl::Listen(UInt16 a_Port) UInt32 Zero = 0; #ifdef _WIN32 // WinXP doesn't support this feature, so if the setting fails, create another socket later on: - NeedsTwoSockets = ( - (setsockopt(MainSock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&Zero), sizeof(Zero)) == SOCKET_ERROR) && - (EVUTIL_SOCKET_ERROR() == WSAENOPROTOOPT) + int res = setsockopt(MainSock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&Zero), sizeof(Zero)); + int err = EVUTIL_SOCKET_ERROR(); + NeedsTwoSockets = ((res == SOCKET_ERROR) && (err == WSAENOPROTOOPT)); + LOGD("setsockopt(IPV6_V6ONLY) returned %d, err is %d (%s). %s", + res, err, evutil_socket_error_to_string(err), + NeedsTwoSockets ? "Second socket will be created" : "Second socket not needed" ); #else setsockopt(MainSock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&Zero), sizeof(Zero)); @@ -890,11 +895,24 @@ bool cServerHandleImpl::Listen(UInt16 a_Port) // If a secondary socket is required (WinXP dual-stack), create it here: if (NeedsTwoSockets) { + LOGD("Creating a second socket for IPv4"); evutil_socket_t SecondSock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (!IsValidSocket(SecondSock)) + if (IsValidSocket(SecondSock)) { - evutil_make_socket_nonblocking(SecondSock); - m_SecondaryConnListener = evconnlistener_new(cNetworkSingleton::Get().m_EventBase, Callback, this, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE, 0, SecondSock); + if (evutil_make_socket_nonblocking(SecondSock) == 0) + { + m_SecondaryConnListener = evconnlistener_new(cNetworkSingleton::Get().m_EventBase, Callback, this, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE, 0, SecondSock); + } + else + { + int err = EVUTIL_SOCKET_ERROR(); + LOGD("evutil_make_socket_nonblocking() failed: %d, %s", err, evutil_socket_error_to_string(err)); + } + } + else + { + int err = EVUTIL_SOCKET_ERROR(); + LOGD("socket(AF_INET, ...) failed: %d, %s", err, evutil_socket_error_to_string(err)); } } m_IsListening = true; |