internal ManagementObject CreateResource(Resources resource)
{
string resourcePoolClass = "Msvm_ResourcePool";
if (resource == Resources.Processor)
{
resourcePoolClass = "Msvm_ProcessorPool";
}
string resourceSubType = "";
switch (resource)
{
case Resources.Processor: resourceSubType = "Microsoft:Hyper-V:Processor"; break;
case Resources.Memory: resourceSubType = "Microsoft:Hyper-V:Memory"; break;
case Resources.SCSIController: resourceSubType = "Microsoft:Hyper-V:Synthetic SCSI Controller"; break;
case Resources.VirtualHardDrive: resourceSubType = "Microsoft:Hyper-V:Synthetic Disk Drive"; break;
case Resources.VirtualHardDisk: resourceSubType = "Microsoft:Hyper-V:Virtual Hard Disk"; break;
case Resources.VirtualDvdDrive: resourceSubType = "Microsoft:Hyper-V:Synthetic DVD Drive"; break;
case Resources.VirtualDvdDisk: resourceSubType = "Microsoft:Hyper-V:Virtual CD/DVD Disk"; break;
case Resources.NetworkAdapter: resourceSubType = "Microsoft:Hyper-V:Synthetic Ethernet Port"; break;
case Resources.SwitchPort: resourceSubType = "Microsoft:Hyper-V:Ethernet Connection"; break;
}
string defaultSettingPath = null;
ObjectQuery query = new ObjectQuery($"SELECT * FROM {resourcePoolClass} WHERE ResourceSubType = \"{resourceSubType}\" AND Primordial = True");
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher(virtualizationScope, query))
using (ManagementObject resourcePool = searcher.Get().First())
using (ManagementObjectCollection capabilitiesCollection = resourcePool.GetRelated("Msvm_AllocationCapabilities", "Msvm_ElementCapabilities", null, null, null, null, false, null))
using (ManagementObject capabilities = capabilitiesCollection.First())
foreach (ManagementObject settingAssociation in capabilities.GetRelationships("Msvm_SettingsDefineCapabilities"))
{
if ((ushort)settingAssociation["ValueRole"] == 0)
{
defaultSettingPath = (string)settingAssociation["PartComponent"];
break;
}
}
if (defaultSettingPath == null)
{
throw new ManagementException("Unable to find the Default Resource Settings.");
}
using (ManagementObject defaultSetting = new ManagementObject(defaultSettingPath))
{
defaultSetting.Scope = virtualizationScope;
defaultSetting.Get();
return(defaultSetting);
}
}
private void PrintObject(ManagementScope scope, string path)
{
var site = new ManagementObject(scope, new ManagementPath(path), null);
object desc = site["Description"];
foreach (var rel in site.GetRelationships())
{
Console.WriteLine("rel: " + rel);
}
foreach (var rel in site.GetRelated())
{
Console.WriteLine("related: " + rel);
}
Console.WriteLine("props:");
foreach (var prop in site.Properties)
{
Console.WriteLine(" {0}: {1}", prop.Name, prop.Value);
}
Console.WriteLine("system props:");
foreach (var prop in site.SystemProperties)
{
Console.WriteLine(" {0}: {1}", prop.Name, prop.Value);
}
}
public static IEmulatedEthernetPortSettingData GetDefaultFromResourcePool(IResourcePool resource)
{
ManagementObject managementObject = (ManagementObject)null;
using (ManagementObjectCollection related = ((IWMICommon)resource).Object.GetRelated("Msvm_AllocationCapabilities", "Msvm_ElementCapabilities", (string)null, (string)null, (string)null, (string)null, false, (EnumerationOptions)null))
{
using (ManagementObject firstElement = related.GetFirstElement())
{
foreach (ManagementObject relationship in firstElement.GetRelationships("Msvm_SettingsDefineCapabilities"))
{
if ((int)(ushort)relationship["ValueRole"] == 0)
{
managementObject = relationship;
break;
}
relationship.Dispose();
}
}
}
if (managementObject == null)
{
throw new HyperVException("Unable to find the default settings for the resource");
}
string path = (string)managementObject["PartComponent"];
managementObject.Dispose();
ManagementObject instance = new ManagementObject(path);
instance.Scope = ((IWMICommon)resource).Scope;
instance.Get();
return((IEmulatedEthernetPortSettingData) new EmulatedEthernetPortSettingData(instance));
}
GetDefaultObjectFromResourcePool(
ManagementObject resourcePool,
ManagementScope scope)
{
//
// The default object is associated with the Msvm_AllocationCapabilities object that
// is associated to the resource pool.
//
ManagementObject defaultSettingAssociation = null;
using (ManagementObjectCollection capabilitiesCollection = resourcePool.GetRelated("Msvm_AllocationCapabilities",
"Msvm_ElementCapabilities",
null, null, null, null, false, null))
using (ManagementObject capabilities = WmiUtilities.GetFirstObjectFromCollection(capabilitiesCollection))
{
foreach (ManagementObject settingAssociation in capabilities.GetRelationships("Msvm_SettingsDefineCapabilities"))
{
if ((ushort)settingAssociation["ValueRole"] == 0)
{
defaultSettingAssociation = settingAssociation;
break;
}
else
{
settingAssociation.Dispose();
}
}
}
if (defaultSettingAssociation == null)
{
throw new ManagementException("Unable to find the default settings!");
}
string defaultSettingPath = (string)defaultSettingAssociation["PartComponent"];
defaultSettingAssociation.Dispose();
ManagementObject defaultSetting = new ManagementObject(defaultSettingPath);
defaultSetting.Scope = scope;
defaultSetting.Get();
return(defaultSetting);
}
internal static ManagementObject GetDefaultRelationshipClass(this ManagementObject allocationCapabilities)
{
return(allocationCapabilities.GetRelationships("Msvm_SettingsDefineCapabilities")
.OfType <ManagementObject>()
.FirstOrDefault(x => (UInt16)x["ValueRole"] == 0));
}
//
// METHODS
//
// <doc>
// <desc>
// Create associator nodes under this node.
// The children of this node are of type WMIAssocGroupNode.
// Each WMIAssocGroupNode groups instances that belong to the same class;
// are related to this one through the same association class,
// and play the same role.
// </desc>
// </doc>
public override Node[] CreateChildren()
{
try
{
//do not look for associators of a new instance
if (this.IsNewInstance)
{
return(null);
}
//BUGBUG: wmi raid 2855
//for Beta1, we are going to disable the ability to expand
//references of Win32_ComputerSystem
if (className.ToUpper() == "WIN32_COMPUTERSYSTEM" &&
nsName.ToUpper() == "ROOT\\CIMV2")
{
return(null);
}
//First, get association instances related to this
GetRelationshipOptions opts = new GetRelationshipOptions(null, //context
TimeSpan.MaxValue, //timeout
50, //block size
false, //rewindable
true, //return immediately
true, //use amended
true, //locatable
false, //prototype only
false, //direct read
string.Empty, //RELATIONSHIP CLASS
string.Empty, //relationship qualifier
string.Empty, //this role
false //classes only
);
ManagementObjectCollection assocInstances = mgmtObj.GetRelationships(opts);
if (assocInstances == null)
{
return(null);
}
//assocGroups will contain a list of unique association/class/role groupings
ArrayList assocGroups = new ArrayList();
ManagementObjectCollection.ManagementObjectEnumerator enumAssocInstances =
assocInstances.GetEnumerator();
while (enumAssocInstances.MoveNext())
{
ManagementObject curObj = (ManagementObject)enumAssocInstances.Current;
AssocGroupComponent comp = new AssocGroupComponent(curObj, mgmtObj);
if (!assocGroups.Contains(comp)) //this relies on our implementation of "Equald" in AssocGroupComponent class
{
assocGroups.Add(comp);
}
}
Node[] childNodes = new Node[assocGroups.Count];
Object[] arAssocGroups = assocGroups.ToArray();
for (int i = 0; i < arAssocGroups.Length; i++)
{
childNodes[i] = new WMIAssocGroupNode((AssocGroupComponent)arAssocGroups[i], connectAs, password);
}
return(childNodes);
}
catch (Exception exc)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", exc.Message, exc.StackTrace));
return(null);
}
}
