/// <summary>
/// 停止服务
/// </summary>
private static void StopService(IntPtr service)
{
ServiceState currState = GetServiceStatus(service);
if (currState == ServiceState.Stopped)
{
return;
}
if (currState != ServiceState.StopPending)
{
//递归停止从属服务
string[] childSvs = EnumDependentServices(service, EnumServiceState.Active);
if (childSvs.Length != 0)
{
IntPtr scm = OpenSCManager();
try {
foreach (string childSv in childSvs)
{
StopService(Win32Class.OpenService(scm, childSv, Win32Class.SERVICE_STOP));
}
} finally {
Win32Class.CloseServiceHandle(scm);
}
}
Win32Class.SERVICE_STATUS status = new Win32Class.SERVICE_STATUS();
Win32Class.ControlService(service, Win32Class.SERVICE_CONTROL_STOP, ref status); //发送停止指令
}
if (!WaitForStatus(service, ServiceState.Stopped, new TimeSpan(0, 0, 30)))
{
throw new ApplicationException("停止服务失败！");
}
}
/// <summary>
/// 打开服务
/// </summary>
/// <param name="serviceName">服务名称</param>
/// <param name="scmHandle">服务管理器句柄。供调用者释放</param>
private static IntPtr OpenService(string serviceName, out IntPtr scmHandle)
{
scmHandle = OpenSCManager();
IntPtr service = Win32Class.OpenService(scmHandle, serviceName, Win32Class.SERVICE_ALL_ACCESS);
if (service == IntPtr.Zero)
{
int errCode = Marshal.GetLastWin32Error();
Win32Class.CloseServiceHandle(scmHandle); //关闭SCM
if (errCode == 0x424) //ERROR_SERVICE_DOES_NOT_EXIST
{
throw new ServiceNotExistException();
}
throw new Win32Exception();
}
return(service);
}
