public static void Stop(string serviceName, int timeoutInMilliSeconds = 30000)
{
IntPtr hSCManager = IntPtr.Zero;
IntPtr hService = IntPtr.Zero;
try
{
hSCManager = NativeMethods.OpenSCManager(null, null, NativeMethods.SC_MANAGER_ALL_ACCESS);
if (IntPtr.Zero == hSCManager)
{
throw new Exception($"Stop: Cannot Open OpenSCManager, {Marshal.GetLastWin32Error()}");
}
hService = NativeMethods.OpenService(hSCManager, serviceName, NativeMethods.SERVICE_ALL_ACCESS);
if (IntPtr.Zero == hService)
{
throw new Exception($"Stop: Cannot Open Service, {Marshal.GetLastWin32Error()}");
}
NativeMethods.SERVICE_STATUS serviceStatus = new NativeMethods.SERVICE_STATUS();
if (!NativeMethods.QueryServiceStatus(hService, ref serviceStatus))
{
throw new Exception($"Stop: Unable to query status of Service, {Marshal.GetLastWin32Error()}");
}
if (serviceStatus.dwCurrentState != (int)NativeMethods.SERVICE_STATE.SERVICE_STOPPED &&
serviceStatus.dwCurrentState != (int)NativeMethods.SERVICE_STATE.SERVICE_STOP_PENDING)
{
if (!NativeMethods.ControlService(hService, NativeMethods.SERVICE_CONTROL.STOP, ref serviceStatus))
{
throw new Exception($"Stop: Service cannot be stopped, {Marshal.GetLastWin32Error()}");
}
}
WaitForStatus(hService, NativeMethods.SERVICE_STATE.SERVICE_STOPPED, TimeSpan.FromMilliseconds(timeoutInMilliSeconds));
}
finally
{
if (IntPtr.Zero != hService)
{
NativeMethods.CloseServiceHandle(hService);
}
if (IntPtr.Zero != hSCManager)
{
NativeMethods.CloseServiceHandle(hSCManager);
}
}
}
private static void WaitForStatus(IntPtr hService, NativeMethods.SERVICE_STATE desiredStatus, TimeSpan timeout)
{
Stopwatch swLoop = new Stopwatch();
swLoop.Start();
NativeMethods.SERVICE_STATUS serviceStatus = new NativeMethods.SERVICE_STATUS();
do
{
Thread.Sleep(500);
if (!NativeMethods.QueryServiceStatus(hService, ref serviceStatus))
{
throw new Exception($"WaitForStatus: Unable to query status of service, {Marshal.GetLastWin32Error()}");
}
}while (serviceStatus.dwCurrentState != (int)desiredStatus && (swLoop.ElapsedMilliseconds <= timeout.TotalMilliseconds));
if (serviceStatus.dwCurrentState != (int)desiredStatus)
{
throw new Exception($"WaitForStatus: Service failed to reach desired state: {desiredStatus}, current state: {serviceStatus.dwCurrentState}");
}
}
