private static void Main()
{
using (var hook = new MyHook())
{
// This tells all dlib loggers to send their logging events to the hook object. That
// is, any time a logger generates a message it will call hook.log() with the message
// contents. Additionally, hook.log() will also only be called from one thread at a
// time so it is safe to use this kind of hook in a multi-threaded program with many
// loggers in many threads.
Dlib.SetAllLoggingOutputHooks(hook);
// It should also be noted that the hook object must not be destructed while the
// loggers are still in use. So it is a good idea to declare the hook object
// somewhere where it will live the entire lifetime of the program, as we do here.
using (var dlog = new Logger("main"))
{
// Tell the dlog logger to emit a message for all logging events rather than its
// default behavior of only logging LERROR or above.
dlog.SetLevel(LogLevel.All);
// All these message go to my_log_file.txt, but only the last two go to the console.
dlog.WriteLine(LogLevel.Debug, "This is a debugging message.");
dlog.WriteLine(LogLevel.Info, "This is an informational message.");
dlog.WriteLine(LogLevel.Error, "An error message!");
}
}
}
public void STE_should_not_run_cancelled_shutdown_hooks()
{
var executor = new SingleThreadEventExecutor("Foo" + ThreadLocalRandom.Current.Next(),
TimeSpan.FromMilliseconds(100));
var hook = new MyHook();
executor.AddShutdownHook(hook);
executor.RemoveShutdownHook(hook);
executor.GracefulShutdownAsync().Wait();
Assert.False(hook.WasExecuted);
}
public void STE_should_not_run_cancelled_shutdown_hooks()
{
var executor = new SingleThreadEventExecutor("Foo" + ThreadLocalRandom.Current.Next(),
TimeSpan.FromMilliseconds(100));
var hook = new MyHook();
executor.AddShutdownHook(hook);
executor.RemoveShutdownHook(hook);
executor.GracefulShutdownAsync().Wait();
Assert.False(hook.WasExecuted);
}
public void STE_should_run_shutdown_hooks()
{
var executor = new SingleThreadEventExecutor("Foo" + ThreadLocalRandom.Current.Next(),
TimeSpan.FromMilliseconds(100));
var hook = new MyHook();
executor.AddShutdownHook(hook);
// added a sanity check here to make sure that normal scheduled operations can run
Func<bool> myFunc = () => true;
var task = executor.SubmitAsync(myFunc);
Assert.True(task.Wait(200), "Should have completed task in under 200 milliseconds");
Assert.True(task.Result);
// end sanity check, begin actual test
executor.GracefulShutdownAsync().Wait();
Assert.True(hook.WasExecuted);
}
public void STE_should_run_shutdown_hooks()
{
var executor = new SingleThreadEventExecutor("Foo" + ThreadLocalRandom.Current.Next(),
TimeSpan.FromMilliseconds(100));
var hook = new MyHook();
executor.AddShutdownHook(hook);
// added a sanity check here to make sure that normal scheduled operations can run
Func <bool> myFunc = () => true;
var task = executor.SubmitAsync(myFunc);
Assert.True(task.Wait(200), "Should have completed task in under 200 milliseconds");
Assert.True(task.Result);
// end sanity check, begin actual test
executor.GracefulShutdownAsync().Wait();
Assert.True(hook.WasExecuted);
}