Add classes for manual instrumentation

Author: sjuarezgx

dotnet/src/dotnetcore/GxClasses/Diagnostics/Opentelemetry/OtelSpan.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Diagnostics;
+using OpenTelemetry.Trace;
+
+namespace GxClasses.Diagnostics.Opentelemetry
+{
+	public class OtelSpan
+	{
+		private Activity _activity;
+		public string Id
+		{ get => _activity?.Id; }
+
+		public bool IsAllDataRequested
+		{
+			get
+			{
+				if (_activity != null)
+					return _activity.IsAllDataRequested;
+				return false;
+			}
+		}
+
+		public bool IsStopped
+		{ get
+			{
+				if (_activity != null )
+					return _activity.IsStopped;
+				return false;
+			}
+		}
+
+		public SpanKind Kind
+		{ get => (SpanKind)_activity?.Kind; }
+
+		public string ParentId
+		{ get => _activity?.ParentId; }
+
+		public string ParentSpanId
+		{ get => _activity?.ParentSpanId.ToString(); }
+
+		public string TraceId
+		{ get => _activity?.TraceId.ToString(); }
+
+		public SpanStatusCode Status
+		{ get => (SpanStatusCode)_activity?.Status; }
+
+		public enum SpanStatusCode
+		{
+			Unset,
+			Ok,
+			Error
+		}
+		
+		internal OtelSpan(Activity activity)
+		{
+			_activity = activity;
+		}
+
+		public void Start()
+		{
+			_activity?.Start();
+		}
+
+		public void Stop()
+		{
+			_activity?.Stop();
+		}
+		public void RecordException(string message)
+		{
+			_activity.RecordException(new Exception(message));
+		}
+
+		public void SetTag(string property, string value)
+		{
+			_activity.SetTag(property, value);
+		}
+		public string GetTagItem(string property)
+		{
+			return _activity.GetTagItem(property).ToString();
+		}
+		public void AddBaggage(string property, string value)
+		{
+			_activity.AddBaggage(property, value);
+		}
+		public string GetBaggageItem(string property)
+		{
+			return _activity.GetBaggageItem(property).ToString();
+		}
+		public void SetStatus(SpanStatusCode spanStatusCode, string message)
+		{
+			_activity.SetStatus((ActivityStatusCode)spanStatusCode, message);
+		}
+
+		public SpanStatusCode GetStatus()
+		{
+			return (SpanStatusCode)_activity.GetStatus().StatusCode;
+		}
+
+		//ToDO
+		//public void AddEvent()
+		//{
+
+		//}
+
+	}
+}

dotnet/src/dotnetcore/GxClasses/Diagnostics/Opentelemetry/OtelTracer.cs

@@ -0,0 +1,35 @@
+using System.Diagnostics;
+using GeneXus.Application;
+using GeneXus.Attributes;
+
+namespace GxClasses.Diagnostics.Opentelemetry
+{
+	[GXApi]
+	public class OtelTracer
+	{
+		public enum SpanKind
+		{
+			Client,
+			Consumer,
+			Internal,
+			Producer,
+			Server
+		}
+
+		public static OtelSpan CreateSpan(string name, SpanKind kind)
+		{
+			Activity activity = GXBaseObject.ActivitySource.StartActivity(name, (ActivityKind)kind);
+			return new OtelSpan(activity);
+		}
+
+		public static OtelSpan GetCurrent()
+		{
+			return new OtelSpan(Activity.Current);
+		}
+
+		public static bool HasListeners()
+		{
+			return GXBaseObject.ActivitySource.HasListeners();
+		}
+	}
+}