internal static ServiceModelActivity CreateActivity()
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
return(ServiceModelActivity.CreateActivity(Guid.NewGuid(), true));
}
internal static ServiceModelActivity CreateActivity(bool autoStop, string activityName, ActivityType activityType)
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity activity = ServiceModelActivity.CreateActivity(autoStop);
ServiceModelActivity.Start(activity, activityName, activityType);
return(activity);
}
internal static void TransferFromTransport(Message message)
{
if (message != null && DiagnosticUtility.ShouldUseActivity)
{
Guid guid = Guid.Empty;
// Only look if we are allowing user propagation
if (TraceUtility.ShouldPropagateActivity)
{
guid = ActivityIdHeader.ExtractActivityId(message);
}
if (guid == Guid.Empty)
{
guid = Guid.NewGuid();
}
ServiceModelActivity activity = null;
bool emitStart = true;
if (ServiceModelActivity.Current != null)
{
if ((ServiceModelActivity.Current.Id == guid) ||
(ServiceModelActivity.Current.ActivityType == ActivityType.ProcessAction))
{
activity = ServiceModelActivity.Current;
emitStart = false;
}
else if (ServiceModelActivity.Current.PreviousActivity != null &&
ServiceModelActivity.Current.PreviousActivity.Id == guid)
{
activity = ServiceModelActivity.Current.PreviousActivity;
emitStart = false;
}
}
if (activity == null)
{
activity = ServiceModelActivity.CreateActivity(guid);
}
if (DiagnosticUtility.ShouldUseActivity)
{
if (emitStart)
{
if (null != FxTrace.Trace)
{
FxTrace.Trace.TraceTransfer(guid);
}
ServiceModelActivity.Start(activity, SR.Format(SR.ActivityProcessAction, message.Headers.Action), ActivityType.ProcessAction);
}
}
message.Properties[TraceUtility.ActivityIdKey] = activity;
}
}
internal static ServiceModelActivity CreateActivity(Guid activityId, bool autoStop)
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity retval = ServiceModelActivity.CreateActivity(activityId);
if (retval != null)
{
retval._autoStop = autoStop;
}
return(retval);
}
internal static ServiceModelActivity CreateBoundedActivity(Guid activityId)
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity retval = ServiceModelActivity.CreateActivity(activityId, true);
if (retval != null)
{
retval._activity = (TransferActivity)ServiceModelActivity.BoundOperation(retval, true);
}
return(retval);
}
internal static ServiceModelActivity CreateAsyncActivity()
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity activity = ServiceModelActivity.CreateActivity(true);
if (activity != null)
{
activity._isAsync = true;
}
return(activity);
}
internal static ServiceModelActivity CreateActivity(bool autoStop)
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity activity = ServiceModelActivity.CreateActivity(Guid.NewGuid(), true);
if (activity != null)
{
activity._autoStop = autoStop;
}
return(activity);
}
internal static ServiceModelActivity CreateBoundedActivity(bool suspendCurrent)
{
if (!DiagnosticUtility.ShouldUseActivity)
{
return(null);
}
ServiceModelActivity activityToSuspend = ServiceModelActivity.Current;
ServiceModelActivity retval = ServiceModelActivity.CreateActivity(true);
if (retval != null)
{
retval._activity = (TransferActivity)ServiceModelActivity.BoundOperation(retval, true);
retval._activity.SetPreviousServiceModelActivity(activityToSuspend);
if (suspendCurrent)
{
retval._autoResume = true;
}
}
if (suspendCurrent && activityToSuspend != null)
{
activityToSuspend.Suspend();
}
return(retval);
}
