public static string GetContext()
{
if (!MappedDiagnosticsContext.Contains(TagologContextParamName))
{
return(string.Empty);
}
return(MappedDiagnosticsContext.Get(TagologContextParamName));
}
public void MDCTest1()
{
List <Exception> exceptions = new List <Exception>();
ManualResetEvent mre = new ManualResetEvent(false);
int counter = 500;
int remaining = counter;
for (int i = 0; i < counter; ++i)
{
ThreadPool.QueueUserWorkItem(
s =>
{
try
{
MappedDiagnosticsContext.Clear();
Assert.IsFalse(MappedDiagnosticsContext.Contains("foo"));
Assert.AreEqual(string.Empty, MappedDiagnosticsContext.Get("foo"));
Assert.IsFalse(MappedDiagnosticsContext.Contains("foo2"));
Assert.AreEqual(string.Empty, MappedDiagnosticsContext.Get("foo2"));
MappedDiagnosticsContext.Set("foo", "bar");
MappedDiagnosticsContext.Set("foo2", "bar2");
Assert.IsTrue(MappedDiagnosticsContext.Contains("foo"));
Assert.AreEqual("bar", MappedDiagnosticsContext.Get("foo"));
MappedDiagnosticsContext.Remove("foo");
Assert.IsFalse(MappedDiagnosticsContext.Contains("foo"));
Assert.AreEqual(string.Empty, MappedDiagnosticsContext.Get("foo"));
Assert.IsTrue(MappedDiagnosticsContext.Contains("foo2"));
Assert.AreEqual("bar2", MappedDiagnosticsContext.Get("foo2"));
}
catch (Exception exception)
{
lock (exceptions)
{
exceptions.Add(exception);
}
}
finally
{
if (Interlocked.Decrement(ref remaining) == 0)
{
mre.Set();
}
}
});
}
mre.WaitOne();
Assert.AreEqual(0, exceptions.Count);
}
public void dispose_is_idempotent()
{
const string itemKey = "itemKey";
MappedDiagnosticsContext.Clear();
IDisposable disposable = MappedDiagnosticsContext.SetScoped(itemKey, "item1");
disposable.Dispose();
Assert.False(MappedDiagnosticsContext.Contains(itemKey));
//This item shouldn't be removed since it is not the disposable one
MappedDiagnosticsContext.Set(itemKey, "item2");
disposable.Dispose();
Assert.True(MappedDiagnosticsContext.Contains(itemKey));
}
private void ExecuteCommand <TCommand>(Command command) where TCommand : Command
{
var handlerContract = typeof(IExecute <>).MakeGenericType(command.GetType());
var handler = (IExecute <TCommand>)_serviceFactory.Build(handlerContract);
_logger.Trace("{0} -> {1}", command.GetType().Name, handler.GetType().Name);
try
{
_trackCommands.Start(command);
BroadcastCommandUpdate(command);
if (!MappedDiagnosticsContext.Contains("CommandId") && command.SendUpdatesToClient)
{
MappedDiagnosticsContext.Set("CommandId", command.Id.ToString());
}
handler.Execute((TCommand)command);
if (command.State == CommandStatus.Running)
{
_trackCommands.Completed(command);
}
}
catch (Exception e)
{
_trackCommands.Failed(command, e);
throw;
}
finally
{
BroadcastCommandUpdate(command);
_eventAggregator.PublishEvent(new CommandExecutedEvent(command));
if (MappedDiagnosticsContext.Get("CommandId") == command.Id.ToString())
{
MappedDiagnosticsContext.Remove("CommandId");
}
}
_logger.Trace("{0} <- {1} [{2}]", command.GetType().Name, handler.GetType().Name, command.Runtime.ToString(""));
}
public void MDCTest1()
{
List <Exception> exceptions = new List <Exception>();
ManualResetEvent mre = new ManualResetEvent(false);
int counter = 100;
int remaining = counter;
for (int i = 0; i < counter; ++i)
{
ThreadPool.QueueUserWorkItem(
s =>
{
try
{
MappedDiagnosticsContext.Clear();
Assert.False(MappedDiagnosticsContext.Contains("foo"));
Assert.Equal(string.Empty, MappedDiagnosticsContext.Get("foo"));
Assert.False(MappedDiagnosticsContext.Contains("foo2"));
Assert.Equal(string.Empty, MappedDiagnosticsContext.Get("foo2"));
Assert.Equal(0, MappedDiagnosticsContext.GetNames().Count);
MappedDiagnosticsContext.Set("foo", "bar");
MappedDiagnosticsContext.Set("foo2", "bar2");
Assert.True(MappedDiagnosticsContext.Contains("foo"));
Assert.Equal("bar", MappedDiagnosticsContext.Get("foo"));
Assert.Equal(2, MappedDiagnosticsContext.GetNames().Count);
MappedDiagnosticsContext.Remove("foo");
Assert.False(MappedDiagnosticsContext.Contains("foo"));
Assert.Equal(string.Empty, MappedDiagnosticsContext.Get("foo"));
Assert.True(MappedDiagnosticsContext.Contains("foo2"));
Assert.Equal("bar2", MappedDiagnosticsContext.Get("foo2"));
Assert.Equal(1, MappedDiagnosticsContext.GetNames().Count);
Assert.True(MappedDiagnosticsContext.GetNames().Contains("foo2"));
Assert.Null(MappedDiagnosticsContext.GetObject("foo3"));
MappedDiagnosticsContext.Set("foo3", new { One = 1 });
}
catch (Exception exception)
{
lock (exceptions)
{
exceptions.Add(exception);
}
}
finally
{
if (Interlocked.Decrement(ref remaining) == 0)
{
mre.Set();
}
}
});
}
mre.WaitOne();
StringBuilder exceptionsMessage = new StringBuilder();
foreach (var ex in exceptions)
{
if (exceptionsMessage.Length > 0)
{
exceptionsMessage.Append("\r\n");
}
exceptionsMessage.Append(ex.ToString());
}
Assert.True(exceptions.Count == 0, exceptionsMessage.ToString());
}