public static string GetContext()
{
if (!MappedDiagnosticsContext.Contains(TagologContextParamName))
{
return(string.Empty);
}
return(MappedDiagnosticsContext.Get(TagologContextParamName));
}
private Command GetCurrentCommand()
{
var commandId = MappedDiagnosticsContext.Get("CommandId");
if (string.IsNullOrWhiteSpace(commandId))
{
return(null);
}
return(_trackCommands.GetById(commandId));
}
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);
}
private static void TransferContextDataToLogEventProperties(Dictionary <string, object> logDic)
{
foreach (var contextItemName in MappedDiagnosticsContext.GetNames())
{
var key = contextItemName;
if (!logDic.ContainsKey(key))
{
var value = MappedDiagnosticsContext.Get(key);
logDic.Add(key, value);
}
}
}
protected void UpdateTask(string instanceId, Action <TaskInstance> act)
{
RunProcessTransaction(this.DefaultPersistenceMode, ps =>
{
string ol = MappedDiagnosticsContext.Get("NG_TaskInstanceId");
try
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", instanceId);
var ti = ps.TaskPersister.GetForUpdate(instanceId);
if (ti == null)
{
log.Warn("Task instance not found: {0}", instanceId);
var pti = (CompositeTaskInstance)ps.TaskPersister.GetForRead(InstanceId.GetParentTaskInstanceId(instanceId));
if (pti == null)
{
throw new Exception("Task instance not found and no parent. Instance ID: " + instanceId);
}
var tin = pti.GetChildTransitionInfo(instanceId);
if (tin == null)
{
throw new Exception("Task instance not found anywhere: " + instanceId);
}
log.Info("Task instance not found, parent says that status is {0}", tin.Status);
return;
}
;
var pd = this.GetProcessDef(ti.ProcessDefinitionId);
var pscript = this.GetProcessScriptRuntime(ti.ProcessDefinitionId);
ti.Activate(ps, pd, pscript);
var pstat = ti.Status;
act(ti);
OnTaskInstanceStatusChange(ti, pstat);
ti.Deactivate();
ps.TaskPersister.Update(ti);
}
finally
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", ol);
}
});
}
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(""));
}
protected void UpdateTask(string instanceId, Action <TaskInstance> act)
{
RunProcessTransaction(this.DefaultPersistenceMode, ps =>
{
string ol = MappedDiagnosticsContext.Get("NG_TaskInstanceId");
try
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", instanceId);
var ti = ps.PersisterSession.GetForUpdate(instanceId);
var pd = this.GetProcessDef(ti.ProcessDefinitionId);
var pscript = this.GetProcessScriptRuntime(ti.ProcessDefinitionId);
ti.Activate(ps, pd, pscript);
act(ti);
ti.Deactivate();
ps.PersisterSession.Update(ti);
}
finally
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", ol);
}
});
}
public void timer_cannot_inherit_mappedcontext()
{
object getObject = null;
string getValue = null;
var mre = new ManualResetEvent(false);
Timer thread = new Timer((s) =>
{
try
{
getObject = MappedDiagnosticsContext.GetObject("DoNotExist");
getValue = MappedDiagnosticsContext.Get("DoNotExistEither");
}
finally
{
mre.Set();
}
});
thread.Change(0, Timeout.Infinite);
mre.WaitOne();
Assert.Null(getObject);
Assert.Empty(getValue);
}
/// <summary>
/// Renders the specified MDC item and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
string msg = MappedDiagnosticsContext.Get(this.Item);
builder.Append(msg);
}
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());
}
/// <summary>
/// Gets or sets the value of a property
/// </summary>
/// <value>
/// The value for the property with the specified key
/// </value>
/// <remarks>
/// <para>
/// Gets or sets the value of a property
/// </para>
/// </remarks>
public object this[string key]
{
get { return(MappedDiagnosticsContext.Get(key)); }
set { MappedDiagnosticsContext.Set(key, value); }
}
/// <summary>
/// Renders the specified MDC item and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
builder.Append(MappedDiagnosticsContext.Get(this.Item, logEvent.FormatProvider));
}