public static void InvokeMethodASync(CimSession cimSession, string cimNamespace, string cimClassName) { try { string methodName; CimInstance inputInstance; CimMethodParametersCollection methodParameters = InvokeMethodCore(cimSession, cimNamespace, cimClassName, out methodName, out inputInstance); if (methodParameters == null) { Console.WriteLine("Operation InvokeMethod not performed"); return; } CimAsyncMultipleResults <CimMethodResultBase> invokeParams; CimOperationOptions options = GetOperationOptions(); options.EnableMethodResultStreaming = true; if (inputInstance == null) { invokeParams = cimSession.InvokeMethodAsync(cimNamespace, cimClassName, methodName, methodParameters, options); } else { invokeParams = cimSession.InvokeMethodAsync(cimNamespace, inputInstance, methodName, methodParameters, options); } TestObserver <CimMethodResultBase> observer = new TestObserver <CimMethodResultBase>(); IDisposable disposeable = invokeParams.Subscribe(observer); observer.WaitForCompletion(); } catch (CimException ex) { PrintCimException(ex); } catch (Exception ex) { Console.WriteLine(ex.Message); } }
// Method: RemoveRoleVhd - Removing a list of server components from a VHD image. // Parameters: componentUniqueNames - The list of unique names of the server components to remove. // vhdPath - The path of the VHD image. // Returns: The list of server components that are removed. public List <CimInstance> RemoveRoleVhd(List <string> componentUniqueNames, string vhdPath) { CimInstance guidInstance = RequestGuidCreator.CreateRequestGuid(); RequestStateEnum removeRoleRequestState = RequestStateEnum.Failed; List <CimInstance> serverComponentInstances = new List <CimInstance>(); List <CimInstance> componentDescriptors = new List <CimInstance>(); Console.WriteLine("Getting Components information..."); // First performs a GetRole operation to get the MSFT_ServerManagerServerComponent CIM classes on the VHD image GetRoleSample getRoleSample = new GetRoleSample(); List <CimInstance> serverComponents = getRoleSample.GetRoleVhd(vhdPath); // Retrieves the list of MSFT_ServerManagerServerComponentDescriptor CIM classes for the roles to remove foreach (CimInstance cimInstance in serverComponents) { CimProperty uniqueNameProperty = cimInstance.CimInstanceProperties["UniqueName"]; if (uniqueNameProperty != null && componentUniqueNames.Contains((string)uniqueNameProperty.Value)) { CimProperty descriptorProperty = cimInstance.CimInstanceProperties["Descriptor"]; if (descriptorProperty != null) { componentDescriptors.Add((CimInstance)descriptorProperty.Value); } } } Console.Write("Start uninstalling components."); // Create a CIM session to the local computer and invoke the RemoveServerComponentsVhdAsync CIM method using (CimSession cimSession = CimSession.Create(null)) { CimOperationOptions operationOptions = new CimOperationOptions() { EnableMethodResultStreaming = true }; CimMethodParametersCollection methodParameters = new CimMethodParametersCollection(); methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In)); methodParameters.Add(CimMethodParameter.Create("DeleteComponents", false, CimType.Boolean, CimFlags.In)); methodParameters.Add(CimMethodParameter.Create("ServerComponentDescriptors", componentDescriptors.ToArray(), CimType.InstanceArray, CimFlags.In)); methodParameters.Add(CimMethodParameter.Create("VhdPath", vhdPath, CimType.String, CimFlags.In)); IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager", "MSFT_ServerManagerDeploymentTasks", "RemoveServerComponentVhdAsync", methodParameters, operationOptions); DeploymentObserver observer = new DeploymentObserver(); using (IDisposable cancellationDisposable = observable.Subscribe(observer)) { observer.GetResults(out serverComponentInstances, out removeRoleRequestState); } } int timeout = 1200000; // timeout in 20 minutes for VHD Remove int startTime = Environment.TickCount; // Executes the Loop to query the method invocation results until the RequestState is Completed or Failed while (removeRoleRequestState == RequestStateEnum.InProgress && Environment.TickCount < startTime + timeout) { using (CimSession cimSession = CimSession.Create(null)) { CimOperationOptions operationOptions = new CimOperationOptions() { EnableMethodResultStreaming = true }; CimMethodParametersCollection methodParameters = new CimMethodParametersCollection(); methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In)); methodParameters.Add(CimMethodParameter.Create("KeepAlterationStateOnRestartRequired", false, CimType.Boolean, CimFlags.In)); IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager", "MSFT_ServerManagerDeploymentTasks", "GetAlterationRequestState", methodParameters, operationOptions); DeploymentObserver observer = new DeploymentObserver(); using (IDisposable cancellationDisposable = observable.Subscribe(observer)) { observer.GetResults(out serverComponentInstances, out removeRoleRequestState); } } Console.Write("."); Thread.Sleep(1000); } Console.WriteLine(); if (removeRoleRequestState == RequestStateEnum.Completed) { Console.WriteLine("Components successfully uninstalled!"); } else if (removeRoleRequestState == RequestStateEnum.Failed) { Console.WriteLine("RemoveServerComponentVhdAsync request failed!"); } return(serverComponentInstances); }
// Method: GetRole - Getting the list of server components from a VHD Image. // Returns: The list of retrieved server components on the system. public List <CimInstance> GetRoleVhd(string vhdPath) { CimInstance guidInstance = RequestGuidCreator.CreateRequestGuid(); List <CimInstance> serverComponentInstances = new List <CimInstance>(); RequestStateEnum getRoleRequestState = RequestStateEnum.Failed; // Create a CIM session to the local computer and invoke the GetServerComponentsVhdAsync CIM method using (CimSession cimSession = CimSession.Create(null)) { CimOperationOptions operationOptions = new CimOperationOptions() { EnableMethodResultStreaming = true }; CimMethodParametersCollection methodParameters = new CimMethodParametersCollection(); methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In)); methodParameters.Add(CimMethodParameter.Create("VhdPath", vhdPath, CimType.String, CimFlags.In)); IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager", "MSFT_ServerManagerDeploymentTasks", "GetServerComponentsVhdAsync", methodParameters, operationOptions); DeploymentObserver observer = new DeploymentObserver(); using (IDisposable cancellationDisposable = observable.Subscribe(observer)) { observer.GetResults(out serverComponentInstances, out getRoleRequestState); } } int timeout = 600000; // timeout in 10 minutes for VHD Get int startTime = Environment.TickCount; // Executes the Loop to query the method invocation results until the RequestState is Completed or Failed while (getRoleRequestState == RequestStateEnum.InProgress && Environment.TickCount < startTime + timeout) { using (CimSession cimSession = CimSession.Create(null)) { CimOperationOptions operationOptions = new CimOperationOptions() { EnableMethodResultStreaming = true }; CimMethodParametersCollection methodParameters = new CimMethodParametersCollection(); methodParameters.Add(CimMethodParameter.Create("RequestGuid", guidInstance, CimType.Instance, CimFlags.In)); IObservable <CimMethodResultBase> observable = cimSession.InvokeMethodAsync("root\\Microsoft\\Windows\\ServerManager", "MSFT_ServerManagerDeploymentTasks", "GetEnumerationRequestState", methodParameters, operationOptions); DeploymentObserver observer = new DeploymentObserver(); using (IDisposable cancellationDisposable = observable.Subscribe(observer)) { observer.GetResults(out serverComponentInstances, out getRoleRequestState); } } Thread.Sleep(1000); } if (getRoleRequestState == RequestStateEnum.Failed) { Console.WriteLine("GetServerComponentsVhdAsync request failed!"); } return(serverComponentInstances); }