public void Close(Scope scope)
{
var current = Active;
var isRootSpan = scope.Parent == null;
if (current == null || current != scope)
{
// This is not the current scope for this context, bail out
SpanClosed?.Invoke(this, new SpanEventArgs(scope.Span));
return;
}
// if the scope that was just closed was the active scope,
// set its parent as the new active scope
Active = scope.Parent;
SpanDeactivated?.Invoke(this, new SpanEventArgs(scope.Span));
if (!isRootSpan)
{
SpanActivated?.Invoke(this, new SpanEventArgs(scope.Parent.Span));
}
SpanClosed?.Invoke(this, new SpanEventArgs(scope.Span));
if (isRootSpan)
{
TraceEnded?.Invoke(this, new SpanEventArgs(scope.Span));
}
}
public Scope Activate(Span span, bool finishOnClose)
{
var newParent = Active;
var scope = new Scope(newParent, span, this, finishOnClose);
var scopeOpenedArgs = new SpanEventArgs(span);
SpanOpened?.Invoke(this, scopeOpenedArgs);
Active = scope;
if (newParent != null)
{
SpanDeactivated?.Invoke(this, new SpanEventArgs(newParent.Span));
}
SpanActivated?.Invoke(this, scopeOpenedArgs);
return(scope);
}