int getClusterGroups(cluster_t *pcluster)
{
HCLUSTER hClust;
HCLUSENUM hClusEnum;
DWORD dwIndex;
DWORD dwType;
LPWSTR lpszName;
DWORD cchName;
hClust = OpenCluster(NULL);
if (hClust == NULL)
{
warnError(L"Error 0x%x executing OpenCluster entry point.", GetLastError());
return I_FALSE;
}
if ((hClusEnum = ClusterOpenEnum(hClust, CLUSTER_ENUM_GROUP)) == NULL)
{
warnError(L"Error 0x%x executing OpenCluster entry point.", GetLastError());
CloseCluster(hClust);
return I_FALSE;
}
if ((lpszName = LocalAlloc(LPTR, BUFFER_SIZE * sizeof(TCHAR))) == NULL)
fatalError(L"Fatal Error 0x%x executing LocalAlloc entry point.", GetLastError());
cchName = BUFFER_SIZE;
for (dwIndex = 0; ClusterEnum(hClusEnum, dwIndex, &dwType, lpszName, &cchName) == ERROR_SUCCESS; dwIndex++)
{
getGroupState(pcluster, hClust, lpszName);
cchName = BUFFER_SIZE;
}
LocalFree(lpszName);
ClusterCloseEnum(hClusEnum);
CloseCluster(hClust);
return I_TRUE;
}
//
// Check cluster state status
//
int checkClusterState()
{
HCLUSTER hClust;
DWORD pdwClusterState;
if (GetNodeClusterState(NULL, &pdwClusterState) != ERROR_SUCCESS)
{
warnError(L"Error 0x%x executing GetClusterInformation entry point.", GetLastError());
return I_FALSE;
}
switch (pdwClusterState)
{
case ClusterStateNotInstalled :
warnError(L"Windows Clustering is not installed.");
return I_FALSE;
case ClusterStateNotConfigured :
warnError(L"Windows Clustering is not configured.");
return I_FALSE;
case ClusterStateNotRunning :
case ClusterStateRunning :
break ;
}
hClust = OpenCluster(NULL);
if (hClust == NULL)
{
warnError(L"Error 0x%x executing OpenCluster entry point.", GetLastError());
return I_FALSE;
}
CloseCluster(hClust);
return I_TRUE;
}
UINT __stdcall
ingres_cluster_unregister_service(MSIHANDLE hInstall)
{
HCLUSTER hCluster;
HRESOURCE hResource;
WCHAR wszResourceName[256];
char szResourceName[256];
char szInstallCode[3];
DWORD dwSize;
INSTALLSTATE iInstalled, iAction;
char szBuf[256];
MsiGetFeatureState(hInstall, "IngresDBMS", &iInstalled, &iAction);
if(iAction != INSTALLSTATE_ABSENT)
return ERROR_SUCCESS;
dwSize=sizeof(szBuf); *szBuf=0;
if (!MsiGetProperty(hInstall, "INGRES_CLUSTER_RESOURCE_INUSE", szBuf, &dwSize)
&& !strcmp(szBuf, "1"))
return ERROR_SUCCESS;
dwSize=sizeof(szResourceName); *szResourceName=0;
MsiGetProperty(hInstall, "INGRES_CLUSTER_RESOURCE", szResourceName, &dwSize);
mbstowcs(wszResourceName, szResourceName, sizeof(szResourceName));
dwSize=sizeof(szInstallCode); *szInstallCode=0;
MsiGetProperty(hInstall, "II_INSTALLATION", szInstallCode, &dwSize);
hCluster = OpenCluster(NULL);
if(hCluster)
{
hResource = OpenClusterResource(hCluster, wszResourceName);
if(hResource)
{
if (!DeleteClusterResource(hResource))
SetupRegistryKeys(hResource, szInstallCode, FALSE);
CloseClusterResource(hResource);
}
CloseCluster(hCluster);
}
return ERROR_SUCCESS;
}
