public static string GetFullyQualifiedName(string computerName)
{
string result = null;
AppAssert.AssertNotNull(computerName);
try
{
IPAddress ipAddress = null;
if (IPAddress.TryParse(computerName, out ipAddress))
{
result = Dns.GetHostEntry(ipAddress).HostName;
}
else
{
result = Dns.GetHostEntry(computerName).HostName;
}
}
catch (ArgumentException e)
{
throw new Exception("Compute name is invalid");
}
catch (System.Net.Sockets.SocketException e)
{
throw new Exception("Cannot contact the machine with name " + computerName);
}
return(result);
}
/// <summary>
/// Deletes a registry value under specified key
/// </summary>
/// <param name="root"></param>
/// <param name="registryKeyPath"></param>
/// <param name="name"></param>
/// <exception cref="BackEndErrorException"></exception>
public static void DeleteRegistryValue(RegistryKey root, String registryKeyPath, String name)
{
AppAssert.AssertNotNull(root, "root");
AppAssert.AssertNotNull(registryKeyPath, "registryKeyPath");
AppAssert.AssertNotNull(name, "name");
try
{
using (RegistryKey regkey = root.OpenSubKey(registryKeyPath, true))
{
if (regkey != null)
{
regkey.DeleteValue(name, false);
}
}
}
catch (System.Security.SecurityException se)
{
throw new Exception("Cannot access registry key" + registryKeyPath);
}
catch (UnauthorizedAccessException uae)
{
throw new Exception("Cannot access registry key" + registryKeyPath);
}
}
/// <summary>
/// Starts a particular service
/// The method times out if service does not reach "Running" status within the timeout period.
/// </summary>
/// <param name="serviceName">name of service to start</param>
/// <param name="machineName">name of computer on which the service resides</param>
/// <exception cref="ServiceConfigurationException">when service could not be started</exception>
public void StartService(String serviceName, String machineName)
{
AppAssert.Assert(null != serviceName, "Null service name passed!");
SetupLogger.LogInfo("StartService: Start the service {0}", serviceName);
//ConfigurationMessageEvent(this, new ConfigurationMessageEventArgs(String.Format(Resources.StartingService, serviceName)));
try
{
AppAssert.AssertNotNull(serviceName, "serviceName");
ServiceController serviceController = null;
try
{
SetupLogger.LogInfo("Starting service" + serviceName);
if (machineName == null)
{
serviceController = new ServiceController(serviceName); // local host
}
else
{
serviceController = new ServiceController(serviceName, machineName);
}
SetupLogger.LogInfo("StartService: Service {0} status = {1}", serviceName, serviceController.Status);
//
// Query configurations (credentials and start mode) of service
//
ServiceConfig serviceConfig = GetServiceConfig(serviceName, machineName);
//
// Check if the service is disabled or manual and stopped
//
if (serviceConfig.StartMode == ServiceStartMode.Disabled ||
(serviceConfig.StartMode == ServiceStartMode.Manual &&
serviceController.Status == ServiceControllerStatus.Stopped))
{
SetupLogger.LogInfo(
"StartService : service is disabled or manual and not running");
throw new Exception(String.Format("Cannot start the service. Service name: {0}", serviceName));
}
// Check if the service is stopped or paused
if (serviceController.Status == ServiceControllerStatus.Running)
{
// Service is running, log and return
SetupLogger.LogInfo("StartService: Service running, check if needs to be restarted");
return;
}
if (serviceController.Status == ServiceControllerStatus.Stopped)
{
// Service stopped, Start the service
SetupLogger.LogInfo("StartService: Service stopped, Start the service");
serviceController.Start();
}
else if (serviceController.Status == ServiceControllerStatus.Paused)
{
// Service paused, Resume the service
SetupLogger.LogInfo("StartService: Service paused, Resume the service");
serviceController.Continue();
}
SetupLogger.LogInfo("StartService: Wait for service to start (timeout = {0})", SetupConstants.ServiceStartTimeout);
serviceController.WaitForStatus(ServiceControllerStatus.Running, SetupConstants.ServiceStartTimeout);
}
catch (System.ComponentModel.Win32Exception win32Exception)
{
// The native service API failed
SetupLogger.LogError("StartService: Couldn't start service! Throwing exception: {0}", win32Exception.ToString());
throw new Exception(String.Format("Cannot start the service. Service name: {0}", serviceName));
}
catch (InvalidOperationException invalidOperationException)
{
// The service can not be started
SetupLogger.LogError("StartService: Couldn't start service! Throwing exception: {0}", invalidOperationException.ToString());
throw;
}
catch (System.ServiceProcess.TimeoutException timeoutException)
{
// There was a timeout
SetupLogger.LogError("StartService: Couldn't start service! Throwing exception: {0}", timeoutException.ToString());
throw new Exception(String.Format("Cannot start the service. Service name: {0}", serviceName));
}
finally
{
if (serviceController != null)
{
serviceController.Close();
}
}
}
catch (Exception serviceNotFoundException)
{
SetupLogger.LogInfo("ServiceConfigurationHandler.StartService: Start the service, exception {0}", serviceNotFoundException);
throw new Exception(String.Format("Cannot start the service. Service name: {0}", serviceName));
}
}
/// <summary>
/// Get the account name given a Sid
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static string GetAccountNameFromSid(SecurityIdentifier id)
{
AppAssert.AssertNotNull(id);
return(id.Translate(typeof(NTAccount)).Value);
}
/// <summary>
/// Create the engine service and start it
/// </summary>
public static void ConfigureCMPWorkerService(ServiceConfigurationHandler serviceConfigurationHandler)
{
AppAssert.AssertNotNull(serviceConfigurationHandler, "serviceConfigurationHandler");
string installPath = SetupConstants.GetServerInstallPath();
//attempt to remove services first.
//this will ignore errors of service does not exist and service marked for deletion
//If service is marked for deletion, then exception will be thrown at create time as
//we will be unable to create the service.
//reason:
//1. Keeps the code path of Install and Repair same
//2. Handles corner case of service already existing in Install mode
//3. Repairs the configuration of the service if broken
IntPtr hSCManager = NativeMethods.NullIntPtr;
IntPtr password = NativeMethods.NullIntPtr;
try
{
hSCManager = ServiceConfigurationHandler.GetSCMHandle();
//TODO: Handle rollback if exception is thrown
ServiceConfigurationHandler.StopAndRemoveService(hSCManager, SetupConstants.EngineServiceName);
//construct paths to service binaries
string servicePathEngine = PathHelper.QuoteString(installPath + @"MSIT\CmpWorkerService\" + SetupConstants.EngineServiceBinary);
SetupLogger.LogInfo("BackEnd.Configure: Engine Service path is : {0}", servicePathEngine);
//Get account
string userAccountName = null;
bool runasLocalAccount = SetupInputs.Instance.FindItem(SetupInputTags.CmpServiceLocalAccountTag);
if (!runasLocalAccount)
{
userAccountName = UserAccountHelper.GetVmmServiceDomainAccount();
password = Marshal.SecureStringToGlobalAllocUnicode(SetupInputs.Instance.FindItem(SetupInputTags.CmpServiceUserPasswordTag));
}
//create engine service
ServiceConfigurationHandler.CreateService(
hSCManager,
SetupConstants.EngineServiceName,
Resources.EngineServiceDisplayName,
Resources.EngineServiceDescription,
servicePathEngine,
null, // dependent services
userAccountName,
password: password,
autoStart: true,
interactive: false);
//set failure actions for VMMService
NativeMethods.SERVICE_FAILURE_ACTIONS sfa = new NativeMethods.SERVICE_FAILURE_ACTIONS();
NativeMethods.SC_ACTION[] sca = new NativeMethods.SC_ACTION[SetupConstants.ServiceActionsCount + 1];
for (int i = 0; i < SetupConstants.ServiceActionsCount; i++)
{
sca[i].Delay = SetupConstants.ServiceRestartDelay;
sca[i].Type = NativeMethods.SC_ACTION_TYPE.SC_ACTION_RESTART;
}
sca[SetupConstants.ServiceActionsCount].Delay = 0;
sca[SetupConstants.ServiceActionsCount].Type = NativeMethods.SC_ACTION_TYPE.SC_ACTION_NONE;
IntPtr unmanagedStructArray = NativeMethods.NullIntPtr;
try
{
unmanagedStructArray = GetUnmanagedStructArray(sca);
sfa.sc_Action = unmanagedStructArray;
sfa.cActions = SetupConstants.ServiceActionsCount + 1;
sfa.dwResetPeriod = SetupConstants.ServiceResetPeriod;
sfa.lpCommand = null;
sfa.lpRebootMsg = null;
//set service failure actions for engine service
ServiceConfigurationHandler.SetFailureActions(SetupConstants.EngineServiceName, ref sfa);
//ConfigurationProgressEvent(this, new EventArgs());
}
finally
{
if (NativeMethods.NullIntPtr != unmanagedStructArray)
{
Marshal.FreeHGlobal(unmanagedStructArray);
}
}
}
finally
{
if (!NativeMethods.NullIntPtr.Equals(hSCManager))
{
NativeMethods.CloseServiceHandle(hSCManager);
}
if (!NativeMethods.NullIntPtr.Equals(password))
{
Marshal.ZeroFreeGlobalAllocUnicode(password);
}
}
}
