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cNetwork: Added error logging to server socket creation.

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This is mainly for WinXP and RasPi testing.
This commit is contained in:
Mattes D 2015-01-12 16:19:24 +01:00
parent ddb1818dd5
commit 235b8f1f6b
1 changed files with 24 additions and 6 deletions
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28
src/OSSupport/Network.cpp
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@ -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));
@ -890,12 +895,25 @@ 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))
{
if (evutil_make_socket_nonblocking(SecondSock) == 0)
{
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);
}
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;
return true;