private static ActivityScope AddActivityScope(ActivityContextState activityContextState, object userState, ActivityType activityType, ActivityEventArgs eventArgs, LocalizedString exceptionString)
{
bool flag = false;
bool flag2 = false;
ActivityScope activityScope = null;
if (ActivityContext.IsStarted)
{
try
{
throw new ActivityContextException(exceptionString);
}
catch (ActivityContextException)
{
flag2 = true;
}
if (SingleContext.Singleton.CheckId())
{
ActivityScopeImpl activityScopeImpl = (ActivityScopeImpl)ActivityContext.GetCurrentActivityScope();
if (activityScopeImpl != null)
{
return(new ActivityScope(activityScopeImpl));
}
}
}
if (SingleContext.Singleton.LocalId != null && !flag2)
{
try
{
throw new ActivityContextException(DiagnosticsResources.ExceptionActivityContextMustBeCleared(DebugContext.GetDebugInfo()));
}
catch (ActivityContextException)
{
}
}
ActivityScope result;
try
{
activityScope = ActivityScopeImpl.AddActivityScope(activityContextState);
activityScope.UserState = userState;
activityScope.ActivityType = activityType;
ActivityContext.RaiseEvent(activityScope.ActivityScopeImpl, eventArgs);
ExTraceGlobals.ActivityContextTracer.TraceDebug <Guid, bool>((long)activityScope.LocalId.GetHashCode(), "ActivityContext.AddActivityScope - ActivityId {0}, (activityContextState != null) = {1}", activityScope.ActivityId, activityContextState != null);
flag = true;
result = activityScope;
}
finally
{
if (!flag)
{
if (activityScope != null)
{
activityScope.Dispose();
}
ActivityContext.ClearThreadScope();
}
}
return(result);
}
public ActivityContextState Suspend()
{
Func <string, LocalizedString> func = (string debugInfo) => DiagnosticsResources.ExceptionMustStartBeforeSuspend(debugInfo);
if (this.status == 2)
{
try
{
throw new ActivityContextException(func(DebugContext.GetDebugInfo()));
}
catch (ActivityContextException)
{
}
return(new ActivityContextState(this, this.metadata));
}
this.TransitionToFinalStatus(ActivityContextStatus.ActivitySuspended, ActivityContext.OnSuspendEventArgs);
return(new ActivityContextState(this, this.metadata));
}
internal static ActivityScope DeserializeFrom(HttpRequest httpRequest, object userState = null)
{
ActivityContextState activityContextState = ActivityContextState.DeserializeFrom(httpRequest);
return(ActivityContext.AddActivityScope(activityContextState, userState, (activityContextState != null) ? activityContextState.ActivityType : ActivityType.Request, ActivityContext.OnStartEventArgs, DiagnosticsResources.ExceptionScopeAlreadyExists(DebugContext.GetDebugInfo())));
}
public static ActivityScope Resume(ActivityContextState activityContextState, object userState = null)
{
if (activityContextState == null)
{
try
{
throw new ArgumentNullException("activityContextState was null");
}
catch (ArgumentException)
{
}
}
return(ActivityContext.AddActivityScope(activityContextState, userState, (activityContextState != null) ? activityContextState.ActivityType : ActivityType.Request, ActivityContext.OnResumeEventArgs, DiagnosticsResources.ExceptionScopeAlreadyExists(DebugContext.GetDebugInfo())));
}
public static ActivityScope Start(object userState, ActivityType activityType)
{
return(ActivityContext.AddActivityScope(null, userState, activityType, ActivityContext.OnStartEventArgs, DiagnosticsResources.ExceptionStartInvokedTwice(DebugContext.GetDebugInfo())));
}