private static void TimerEventProcessor(Object sender, System.Timers.ElapsedEventArgs e)
{
string serviceName = "Spooler";
ServiceController service = new ServiceController(serviceName);
ServiceControllerStatus status = service.Status;
if (!status.Equals(ServiceControllerStatus.Running))
{
try
{
string msg = DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss");
msg += " Spooler service had stoped";
System.IO.StreamWriter file = new System.IO.StreamWriter(folderPath, true);
file.WriteLine(msg);
file.Close();
System.IO.DirectoryInfo downloadedMessageInfo = new DirectoryInfo(@"C:\Windows\System32\spool\PRINTERS\");
foreach (FileInfo prfile in downloadedMessageInfo.GetFiles())
{
prfile.Delete();
}
service.Start();
}
catch
{
}
}
}
/// <summary>
/// Returns true if JHI status equals to the expected status and false otherwise
/// </summary>
public static bool CheckJhiStatus(ServiceControllerStatus expectedStatus)
{
ServiceControllerStatus jhiStatus = GetJhiStatus();
if (!expectedStatus.Equals(jhiStatus))
{
return(false);
}
return(true);
}
public void UpdateStatus()
{
bool service = false;
var converter = new System.Windows.Media.BrushConverter();
try
{
ServiceController sc = new ServiceController("FastIR");
ServiceControllerStatus scs = sc.Status;
if (scs.Equals(ServiceControllerStatus.Running))
{
Label_FastIR_Service.Foreground = (Brush)converter.ConvertFromString("#008000");
Label_FastIR_Service.Text = "RUNNING";
service = true;
StopSC.IsEnabled = true;
StartSC.IsEnabled = false;
}
else
{
Label_FastIR_Service.Foreground = (Brush)converter.ConvertFromString("#FF0000");
Label_FastIR_Service.Text = "STOPPED";
service = false;
StopSC.IsEnabled = false;
StartSC.IsEnabled = true;
}
sc.Close();
} catch {
Label_FastIR_Service.Foreground = (Brush)converter.ConvertFromString("#008B8B");
Label_FastIR_Service.Text = "does not exist";
service = false;
StopSC.IsEnabled = false;
StartSC.IsEnabled = false;
}
if (service.Equals(true))
{
if (d.CheckURL())
{
Label_FastIR_Network.Foreground = (Brush)converter.ConvertFromString("#008000");
Label_FastIR_Network.Text = "OK";
}
else
{
Label_FastIR_Network.Foreground = (Brush)converter.ConvertFromString("#FF0000");
Label_FastIR_Network.Text = "KO";
}
Final.Text = "FastIR Agent is working on the system.";
}
else
{
Label_FastIR_Network.Foreground = (Brush)converter.ConvertFromString("#008B8B");
Label_FastIR_Network.Text = "N/A";
Final.Text = "FastIR Agent does work on the system...";
}
}
private void setServiceStatus(ServiceControllerStatus status)
{
if (serviceController.Status.Equals(status)) //already in the wanted status
{
OnProgress(processIdx + 1);
}
else
{
try
{
TimeSpan timeoutSec = TimeSpan.FromSeconds(timeout);
bool tryAgain = false;
int tryCount = 0;
do
{
try
{
if (status.Equals(ServiceControllerStatus.Running))
serviceController.Start(); //TODO: support arguments
else
serviceController.Stop();
}
catch (InvalidOperationException e)
{
//in some cases, the service status might be changed although the exception is thrown
Thread.Sleep(TimeSpan.FromSeconds(5)); //wait a little bit time to try again
serviceController.Refresh();
if (serviceController.Status.Equals(status)) //equal
tryAgain = false;
else if (tryCount < TOTAL_TRY) //not equal, not reach total
tryAgain = true;
else //when not equal to status, AND reach total try
throw e;
tryCount++;
}
} while (tryAgain);
serviceController.WaitForStatus(status, timeoutSec);
Console.WriteLine(serviceController.Status.ToString());
//check the status to make sure it is started properly
if (serviceController.Status.Equals(status))
{
OnProgress(processIdx + 1);
}
else
{
throw new InvalidOperationException(serviceController.ServiceName + " cannot be changed to status " + status.ToString());
}
}
//TODO: there should be configuration for the app
//when error occurs to a service, should it stop or continue to next service?
catch (InvalidOperationException e)
{
OnError(e);
}
catch (System.ServiceProcess.TimeoutException e)
{
OnError(e);
}
}
}