public static extern bool ChangeServiceFailureActions(
SafeServiceHandle hService,
int dwInfoLevel,
[MarshalAs(UnmanagedType.Struct)]
ref SERVICE_FAILURE_ACTIONS lpInfo);
/// <summary>
/// Change the recovery property of a Windows service.
/// </summary>
/// <param name="scName">The name of the Windows service</param>
/// <param name="scActions">
/// A list of SC_ACTION representing the actions that the service control
/// manager can perform.
/// </param>
/// <param name="resetPeriod">
/// The time after which to reset the failure count to zero if there are no
/// failures, in seconds.
/// </param>
/// <param name="command">
/// The command line of the process for the CreateProcess function to execute
/// in response to the SC_ACTION_RUN_COMMAND service controller action. This
/// process runs under the same account as the service.
/// </param>
/// <param name="fFailureActionsOnNonCrashFailures">
/// If this member is true and the service has configured failure actions,
/// the failure actions are queued if the service process terminates without
/// reporting a status of SERVICE_STOPPED or if it enters the SERVICE_STOPPED
/// state but the dwWin32ExitCode member of the SERVICE_STATUS structure is
/// not ERROR_SUCCESS (0). If this member is false and the service has
/// configured failure actions, the failure actions are queued only if the
/// service terminates without reporting a status of SERVICE_STOPPED.
/// </param>
/// <param name="rebootMsg">
/// The message to be broadcast to server users before rebooting in response
/// to the SC_ACTION_REBOOT service controller action.
/// </param>
public static void ChangeRecoveryProperty(string scName,
List <SC_ACTION> scActions, int resetPeriod, string command,
bool fFailureActionsOnNonCrashFailures, string rebootMsg)
{
SafeServiceHandle hSCManager = null;
SafeServiceHandle hService = null;
IntPtr hGlobal = IntPtr.Zero;
try
{
// Open the service control manager.
hSCManager = Win32.OpenSCManager(null, null, Win32.SERVICE_QUERY_CONFIG);
if (hSCManager.IsInvalid)
{
throw new Win32Exception();
}
// Open the service.
hService = Win32.OpenService(hSCManager, scName, Win32.SERVICE_ALL_ACCESS);
if (hService.IsInvalid)
{
throw new Win32Exception();
}
int numActions = scActions.Count;
int[] falureActions = new int[numActions * 2];
bool needShutdownPrivilege = false;
int i = 0;
// We need to copy the actions in scFailureActionArray to an
// unmanaged memory through Marshal.Copy.
foreach (SC_ACTION scAction in scActions)
{
falureActions[i] = scAction.Type;
falureActions[++i] = scAction.Delay;
i++;
if (scAction.Type == (int)SC_ACTION_TYPE.RebootComputer)
{
needShutdownPrivilege = true;
}
}
// If we need shutdown privilege, then grant it to this process.
if (needShutdownPrivilege)
{
GrantShutdownPrivilege();
}
// Allocate memory.
hGlobal = Marshal.AllocHGlobal(falureActions.Length * Marshal.SizeOf(typeof(int)));
// Copies data from a one-dimensional, managed 32-bit signed integer
// array to an unmanaged memory pointer.
Marshal.Copy(falureActions, 0, hGlobal, falureActions.Length);
// Set the SERVICE_FAILURE_ACTIONS struct.
SERVICE_FAILURE_ACTIONS scFailureActions = new SERVICE_FAILURE_ACTIONS();
scFailureActions.cActions = numActions;
scFailureActions.dwResetPeriod = resetPeriod;
scFailureActions.lpCommand = command;
scFailureActions.lpRebootMsg = rebootMsg;
scFailureActions.lpsaActions = hGlobal;
// Call the ChangeServiceFailureActions function abstraction of the
// ChangeServiceConfig2 function.
if (!Win32.ChangeServiceFailureActions(hService,
Win32.SERVICE_CONFIG_FAILURE_ACTIONS, ref scFailureActions))
{
throw new Win32Exception();
}
// Restart Computer Options....
SERVICE_FAILURE_ACTIONS_FLAG flag = new SERVICE_FAILURE_ACTIONS_FLAG();
flag.fFailureActionsOnNonCrashFailures = fFailureActionsOnNonCrashFailures;
// Call the FailureActionsOnNonCrashFailures function, the
// abstraction of the ChangeServiceConfig2 function.
if (!Win32.FailureActionsOnNonCrashFailures(hService,
Win32.SERVICE_CONFIG_FAILURE_ACTIONS_FLAG, ref flag))
{
throw new Win32Exception();
}
}
finally
{
// Close the service control manager handle.
if (hSCManager != null && !hSCManager.IsInvalid)
{
hSCManager.Dispose();
hSCManager = null;
}
// Close the service handle.
if (hService != null && !hService.IsInvalid)
{
hService.Dispose();
hService = null;
}
// Free the unmanaged memory.
if (hGlobal != IntPtr.Zero)
{
Marshal.FreeHGlobal(hGlobal);
hGlobal = IntPtr.Zero;
}
}
}
