static bool GetResourceFromEnumeration(SafeHCluster hCluster, SafeHClusEnum hEnum, uint index, out SafeHResource hResource, out string theResourceName) { uint type, cch = 0; hResource = null; theResourceName = string.Empty; uint ret = SafeNativeMethods.ClusterEnum(hEnum, index, out type, null, ref cch); if (ret == SafeNativeMethods.ERROR_NO_MORE_ITEMS) { return(false); } else if (ret == SafeNativeMethods.ERROR_SUCCESS || ret == SafeNativeMethods.ERROR_MORE_DATA) { StringBuilder sb = new StringBuilder((int)(++cch)); ret = SafeNativeMethods.ClusterEnum(hEnum, index, out type, sb, ref cch); if (ret == SafeNativeMethods.ERROR_SUCCESS) { string resourceName = sb.ToString(); #pragma warning suppress 56523 hResource = SafeNativeMethods.OpenClusterResource(hCluster, resourceName); if (hResource.IsInvalid) { hResource = null; } else { theResourceName = resourceName; } } } return(true); }
static string[] GetClusterNodes(SafeHCluster hCluster) { #pragma warning suppress 56523 SafeHClusEnum hEnum = SafeNativeMethods.ClusterOpenEnum(hCluster, ClusterEnum.Node); if (hEnum.IsInvalid) { return null; } List<string> nodeList = new List<string>(2); // 2 nodes are a typical cluster configuration using (hEnum) { uint ret, index = 0; do { uint type, cch = 0; ret = SafeNativeMethods.ClusterEnum(hEnum, index, out type, null, ref cch); if (ret == SafeNativeMethods.ERROR_NO_MORE_ITEMS) { break; } else if (ret == SafeNativeMethods.ERROR_SUCCESS || ret == SafeNativeMethods.ERROR_MORE_DATA) { StringBuilder sb = new StringBuilder((int)(++cch)); ret = SafeNativeMethods.ClusterEnum(hEnum, index, out type, sb, ref cch); if (ret == SafeNativeMethods.ERROR_SUCCESS) { Utilities.Log("Found a node: [" + sb.ToString() + "]"); nodeList.Add(sb.ToString()); } } index++; } while (ret == SafeNativeMethods.ERROR_SUCCESS); } return nodeList.ToArray(); }