internal void AddSpanAndRemoveAmbient(Span span, SpanScope scope)
{
lock (gate)
{
this.spans.Add(ref span);
if (ambientManageQueue != null && ambientManageQueue.Count != 0)
{
ambientManageQueue.Remove(scope);
}
}
}
/// <summary>
/// Replace returned child scope as ambient root.
/// </summary>
/// <param name="name">The span name.</param>
/// <param name="resource">The resource you are tracing such as "/Home/Index", "/Article/Post".</param>
/// <param name="service">The service name such as "webservice", "batch", "mysql", "redis".</param>
/// <param name="type">The type of request such as "web", "db", "cache".</param>
public SpanScope BeginSpanAndChangeAmbientScope(string name, string resource, string service, string type)
{
lock (gate)
{
if (ambientManageQueue == null)
{
ambientManageQueue = new List <SpanScope>(4);
}
SpanScope scope;
if (ambientManageQueue.Count == 0)
{
scope = new SpanScope(name, resource, service, type, SpanId, this, true);
}
else
{
var lastChild = ambientManageQueue[ambientManageQueue.Count - 1];
scope = lastChild.BeginSpan(name, resource, service, type, true);
}
ambientManageQueue.Add(scope);
return(scope);
}
}