VOID
CNdasIXBcast::ResetBind(HANDLE hStopEvent)
{
BOOL fSuccess = FALSE;
if (NULL != m_lpSocketAddressList)
{
::LocalFree(m_lpSocketAddressList);
m_lpSocketAddressList = NULL;
}
while (NULL == m_lpSocketAddressList)
{
m_lpSocketAddressList = pCreateLocalLpxAddressList();
if (NULL == m_lpSocketAddressList)
{
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"Getting local lpx address list failed. Retry in 5 sec, error=0x%X\n",
GetLastError());
// try to get address list again in 5 sec
// we should terminate this routine at a task terminate event
DWORD dwWaitResult = ::WaitForSingleObject(hStopEvent, 5000);
if (WAIT_OBJECT_0 == dwWaitResult)
{
return;
}
}
}
fSuccess = m_sockAddrChangeNotifier.Reset();
if (!fSuccess)
{
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"Resetting sockAddrChangeNotifier failed, error=0x%X\n",
GetLastError());
}
DWORD nLocalAddrs =
min((DWORD)m_lpSocketAddressList->iAddressCount, m_nSenders);
for (DWORD i = 0; i < m_nSenders; ++i) {
if (INVALID_SOCKET != (SOCKET)m_senders[i]) {
m_senders[i].Close();
}
}
for (DWORD i = 0; i < nLocalAddrs && i < m_nSenders; ++i) {
PSOCKADDR_LPX pSockAddr = (PSOCKADDR_LPX)
m_lpSocketAddressList->Address[i].lpSockaddr;
pSockAddr->LpxAddress.Port = 0;
fSuccess = m_senders[i].Create();
if (!fSuccess) {
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"Creating a socket failed, index=%d, error=0x%X\n",
i, GetLastError());
continue;
}
//
// This is a broadcast socket
//
BOOL bBroadcast = TRUE;
fSuccess = m_senders[i].SetSockOpt(
SO_BROADCAST,
(CONST BYTE*)&bBroadcast,
sizeof(BOOL));
if (!fSuccess)
{
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"Setting a sock option to broadcast failed, index=%d, error=0x%X\n",
i, GetLastError());
(VOID) m_senders[i].Close();
continue;
}
fSuccess = m_senders[i].Bind(pSockAddr);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_IX, TRACE_LEVEL_ERROR,
"Binding failed, index=%d, address=%s, error=0x%X\n",
i, CSockLpxAddr(pSockAddr).ToStringA(), GetLastError());
(VOID) m_senders[i].Close();
continue;
}
}
}
VOID
CNdasIXBcast::ResetBind()
{
BOOL fSuccess = FALSE;
if (NULL != m_lpSocketAddressList) {
::LocalFree(m_lpSocketAddressList);
m_lpSocketAddressList = NULL;
}
while (NULL == m_lpSocketAddressList) {
m_lpSocketAddressList = pCreateLocalLpxAddressList();
if (NULL == m_lpSocketAddressList) {
DBGPRT_WARN_EX(_FT("Getting local lpx address list failed. Retry in 5 sec: "));
// try to get address list again in 5 sec
// we should terminate this routine at a task terminate event
DWORD dwWaitResult = ::WaitForSingleObject(m_hTaskTerminateEvent, 5000);
if (WAIT_OBJECT_0 == dwWaitResult) {
return;
}
}
}
fSuccess = m_sockAddrChangeNotifier.Reset();
// _ASSERTE(fSuccess);
if (!fSuccess) {
DBGPRT_WARN(_FT("Resetting sockAddrChangeNotifier failed: "));
}
DWORD nLocalAddrs =
min((DWORD)m_lpSocketAddressList->iAddressCount, m_nSenders);
for (DWORD i = 0; i < m_nSenders; ++i) {
if (INVALID_SOCKET != (SOCKET)m_senders[i]) {
m_senders[i].Close();
}
}
for (DWORD i = 0; i < nLocalAddrs && i < m_nSenders; ++i) {
PSOCKADDR_LPX pSockAddr = (PSOCKADDR_LPX)
m_lpSocketAddressList->Address[i].lpSockaddr;
pSockAddr->LpxAddress.Port = 0;
fSuccess = m_senders[i].Create();
if (!fSuccess) {
DBGPRT_ERR_EX(_FT("Creating a socket failed: "));
continue;
}
//
// This is a broadcast socket
//
BOOL bBroadcast = TRUE;
fSuccess = m_senders[i].SetSockOpt(
SO_BROADCAST,
(CONST BYTE*)&bBroadcast,
sizeof(BOOL));
if (!fSuccess) {
DBGPRT_ERR_EX(_FT("Setting a sock option to broadcast failed: "));
(VOID) m_senders[i].Close();
continue;
}
fSuccess = m_senders[i].Bind(pSockAddr);
if (!fSuccess) {
DBGPRT_ERR_EX(_FT("Binding a sock %d to %s failed: "),
i, CSockLpxAddr(pSockAddr).ToString());
(VOID) m_senders[i].Close();
continue;
}
}
}
