/// <summary>
/// Ensures that the mainwindow of the primary tailviewer is brought to the front.
/// Doesn't do anything when it already is.
/// Doesn't do anything when the given process doesn't exist (anymore)
/// </summary>
public static void BringToFront()
{
try
{
ExclusiveMutex.ShowMainWindow();
}
catch (Exception e)
{
Console.WriteLine("Caught unexpected exception: {0}", e);
}
}
/// <summary>
/// Instructs the given tailviewer process to open and/or show the given data source
/// </summary>
/// <param name="args">The commandline arguments as given to Main()</param>
public static void OpenFile(string[] args)
{
try
{
var arguments = ArgumentParser.TryParse(args);
if (arguments.FileToOpen != null)
{
ExclusiveMutex.OpenFile(arguments.FileToOpen);
}
}
catch (Exception e)
{
Console.WriteLine("Caught unexpected exception: {0}", e);
}
}
/// <summary>
/// Tries to acquire an exclude mutex until:
/// - an exclusive mutex was acquired
/// - the timeout elapsed
/// </summary>
/// <returns>The acquired mutex or null if another process holds the mutex</returns>
public static IMutex AcquireMutex(TimeSpan timeout)
{
DateTime start = DateTime.Now;
TimeSpan elapsed;
do
{
var mutex = ExclusiveMutex.TryAcquire();
if (mutex != null)
{
return(mutex);
}
Thread.Sleep(TimeSpan.FromMilliseconds(1));
elapsed = DateTime.Now - start;
} while (elapsed < timeout);
return(null);
}
/// <summary>
/// Tries to acquire an exclude mutex.
/// </summary>
/// <returns>The acquired mutex or null if another process holds the mutex</returns>
public static IMutex AcquireMutex()
{
return(ExclusiveMutex.TryAcquire());
}
