public Service1()
{
InitializeComponent();
CanShutdown = true;
tim = new Timer();
tim.Interval = 5000;
tim.Elapsed += tim_Elapsed;
FieldInfo acceptedCommandsFieldInfo = typeof(ServiceBase).GetField("acceptedCommands", BindingFlags.Instance | BindingFlags.NonPublic);
int value = (int)acceptedCommandsFieldInfo.GetValue(this);
acceptedCommandsFieldInfo.SetValue(this, value | SERVICE_ACCEPT_PRESHUTDOWN);
StreamWriter writer = new StreamWriter("D:\\LogConst.txt", true);
try
{
IntPtr hMngr = OpenSCManager("localhost", null, (uint)SCM_ACCESS.SC_MANAGER_ALL_ACCESS);
IntPtr hSvc = OpenService(hMngr, "WindowsService1", (uint)SCM_ACCESS.SC_MANAGER_ALL_ACCESS);
SERVICE_PRESHUTDOWN_INFO spi = new SERVICE_PRESHUTDOWN_INFO();
spi.dwPreshutdownTimeout = 5000;
IntPtr lpInfo = Marshal.AllocHGlobal(Marshal.SizeOf(spi));
if (lpInfo == IntPtr.Zero)
{
writer.WriteLine(String.Format("Unable to allocate memory for service action, error was: 0x{0:X} -- {1}", Marshal.GetLastWin32Error(), DateTime.Now.ToLongTimeString()));
}
Marshal.StructureToPtr(spi, lpInfo, false);
// apply the new timeout value
if (!ChangeServiceConfig2(hSvc, (int)INFO_LEVEL.SERVICE_CONFIG_PRESHUTDOWN_INFO, lpInfo))
writer.WriteLine(DateTime.Now.ToLongTimeString() + " Failed to change service timeout");
else
writer.WriteLine(DateTime.Now.ToLongTimeString() + " change service timeout : " + spi.dwPreshutdownTimeout);
}
catch (Exception ex)
{
writer.WriteLine(DateTime.Now.ToLongTimeString() + " " + ex.Message);
}
writer.Close();
}
public override void Install(System.Collections.IDictionary stateSaver)
{
base.Install(stateSaver);
Version versionWinVistaSp1 = new Version(6, 0, 6001);
if (Environment.OSVersion.Platform != PlatformID.Win32NT || Environment.OSVersion.Version < versionWinVistaSp1)
{
//Preshutdown is not supported
return;
}
Context.LogMessage(string.Format("Setting preshutdown timeout {0}ms to service {1}", PreshutdownTimeout, ServiceName));
IntPtr service = IntPtr.Zero;
IntPtr sCManager = IntPtr.Zero;
try
{
// Open the service control manager
sCManager = OpenSCManager(null, null, ServiceControlAccessRights.SC_MANAGER_CONNECT);
if (sCManager == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to open Service Control Manager.");
}
// Open the service
service = OpenService(sCManager, ServiceName, ServiceAccessRights.SERVICE_CHANGE_CONFIG);
if (service == IntPtr.Zero)
{
throw new Win32Exception();
}
// Set up the preshutdown timeout structure
SERVICE_PRESHUTDOWN_INFO preshutdownInfo = new SERVICE_PRESHUTDOWN_INFO();
preshutdownInfo.dwPreshutdownTimeout = (uint)_preshutdownTimeout;
// Make the change
int changeResult = ChangeServiceConfig2(
service,
ServiceConfig2InfoLevel.SERVICE_CONFIG_PRESHUTDOWN_INFO,
ref preshutdownInfo);
// Check that the change occurred
if (changeResult == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to change the Service configuration.");
}
Context.LogMessage(string.Format("Preshutdown timeout {0}ms set to service {1}", PreshutdownTimeout, ServiceName));
}
finally
{
// Clean up
if (service != IntPtr.Zero)
{
CloseServiceHandle(service);
}
if (sCManager != IntPtr.Zero)
{
Marshal.FreeHGlobal(sCManager);
}
}
}
public static extern int ChangeServiceConfig2(
IntPtr hService,
ServiceConfig2InfoLevel dwInfoLevel,
ref SERVICE_PRESHUTDOWN_INFO lpInfo);
public static extern bool ChangeServiceConfig2(
SafeServiceHandle hService,
int dwInfoLevel,
ref SERVICE_PRESHUTDOWN_INFO lpInfo);
public static extern bool ChangeServiceConfig2(
SafeServiceHandle hService,
int dwInfoLevel,
ref SERVICE_PRESHUTDOWN_INFO lpInfo);