static SC_ACTION GetScAction(ServiceRecoveryAction action,
uint restartServiceAfter)
{
var scAction = new SC_ACTION();
SC_ACTION_TYPE actionType = default(SC_ACTION_TYPE);
switch (action)
{
case ServiceRecoveryAction.TakeNoAction:
actionType = SC_ACTION_TYPE.None;
break;
case ServiceRecoveryAction.RestartService:
actionType = SC_ACTION_TYPE.RestartService;
break;
case ServiceRecoveryAction.RestartComputer:
actionType = SC_ACTION_TYPE.RebootComputer;
break;
case ServiceRecoveryAction.RunProgram:
actionType = SC_ACTION_TYPE.RunCommand;
break;
}
scAction.Type = actionType;
scAction.Delay = restartServiceAfter;
return(scAction);
}
public void AddAction(ServiceRecoveryAction serviceRecoveryAction)
{
if (_actions.Count == 3)
{
throw new TopshelfException("Recovery action can not be added. " +
"Windows recovery does not support more than 3 actions");
}
_actions.Add(serviceRecoveryAction);
}
public void AddAction(ServiceRecoveryAction serviceRecoveryAction)
{
_actions.Add(serviceRecoveryAction);
}
public void AddAction(ServiceRecoveryAction serviceRecoveryAction)
{
_actions.Add(serviceRecoveryAction);
}
public static void SetServiceRecoveryOptions(
string serviceName, ServiceRecoveryOptions recoveryOptions)
{
if (recoveryOptions == null)
{
throw new ArgumentNullException("recoveryOptions");
}
bool requiresShutdownPriveleges =
recoveryOptions.FirstFailureAction == ServiceRecoveryAction.RestartComputer ||
recoveryOptions.SecondFailureAction == ServiceRecoveryAction.RestartComputer ||
recoveryOptions.SubsequentFailureAction == ServiceRecoveryAction.RestartComputer;
if (requiresShutdownPriveleges)
{
GrantShutdownPrivileges();
}
int actionCount = 3;
var restartServiceAfter = (uint)TimeSpan.FromMinutes(
recoveryOptions.RestartServiceWaitMinutes).TotalMilliseconds;
IntPtr failureActionsPointer = IntPtr.Zero;
IntPtr actionPointer = IntPtr.Zero;
ServiceController controller = null;
try
{
// Open the service
controller = new ServiceController(serviceName);
// Set up the failure actions
var failureActions = new SERVICE_FAILURE_ACTIONS();
failureActions.dwResetPeriod = (int)TimeSpan.FromDays(recoveryOptions.ResetFailureCountWaitDays).TotalSeconds;
failureActions.cActions = (uint)actionCount;
failureActions.lpRebootMsg = recoveryOptions.RestartSystemMessage;
// allocate memory for the individual actions
actionPointer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SC_ACTION)) * actionCount);
ServiceRecoveryAction[] actions =
{
recoveryOptions.FirstFailureAction,
recoveryOptions.SecondFailureAction,
recoveryOptions.SubsequentFailureAction
};
for (int i = 0; i < actions.Length; i++)
{
ServiceRecoveryAction action = actions[i];
SC_ACTION scAction = GetScAction(action, restartServiceAfter);
Marshal.StructureToPtr(scAction, (IntPtr)((Int64)actionPointer + (Marshal.SizeOf(typeof(SC_ACTION))) * i), false);
}
failureActions.lpsaActions = actionPointer;
string command = recoveryOptions.RunProgramCommand;
if (command != null)
{
failureActions.lpCommand = command;
}
failureActionsPointer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SERVICE_FAILURE_ACTIONS)));
Marshal.StructureToPtr(failureActions, failureActionsPointer, false);
// Make the change
bool success = ChangeServiceConfig2(controller.ServiceHandle.DangerousGetHandle(),
SERVICE_CONFIG_FAILURE_ACTIONS,
failureActionsPointer);
// Check that the change occurred
if (!success)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to change the Service configuration.");
}
}
finally
{
if (failureActionsPointer != IntPtr.Zero)
{
Marshal.FreeHGlobal(failureActionsPointer);
}
if (actionPointer != IntPtr.Zero)
{
Marshal.FreeHGlobal(actionPointer);
}
if (controller != null)
{
controller.Dispose();
}
//log.Debug(m => m("Done setting service recovery options."));
}
}
static SC_ACTION GetScAction(ServiceRecoveryAction action,
uint restartServiceAfter)
{
var scAction = new SC_ACTION();
SC_ACTION_TYPE actionType = default(SC_ACTION_TYPE);
switch (action)
{
case ServiceRecoveryAction.TakeNoAction:
actionType = SC_ACTION_TYPE.None;
break;
case ServiceRecoveryAction.RestartService:
actionType = SC_ACTION_TYPE.RestartService;
break;
case ServiceRecoveryAction.RestartComputer:
actionType = SC_ACTION_TYPE.RebootComputer;
break;
case ServiceRecoveryAction.RunProgram:
actionType = SC_ACTION_TYPE.RunCommand;
break;
}
scAction.Type = actionType;
scAction.Delay = restartServiceAfter;
return scAction;
}
