Create otel_tracer.h

Author: zarinatlupova

include/ydb-cpp-sdk/client/tracing/otel_tracer.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <ydb-cpp-sdk/client/tracing/tracer.h>
+#include <opentelemetry/trace/tracer.h>
+#include <opentelemetry/trace/span.h>
+#include <opentelemetry/common/attribute_value.h>
+
+namespace NYdb::inline V3 {
+namespace NTracing {
+
+    class TOpenTelemetrySpan : public ISpan {
+    public:
+        explicit TOpenTelemetrySpan(opentelemetry::nostd::shared_ptr<opentelemetry::trace::Span> span)
+            : Span_(std::move(span)) {}
+
+        void AddAttribute(const std::string& key, const std::string& value) override {
+            if (Span_) {
+                Span_->SetAttribute(key, value);
+            }
+        }
+
+        void End() override {
+            if (Span_) {
+                Span_->End();
+            }
+        }
+
+    private:
+        opentelemetry::nostd::shared_ptr<opentelemetry::trace::Span> Span_;
+    };
+
+    class TOpenTelemetryTracer : public ITracer {
+    public:
+        explicit TOpenTelemetryTracer(opentelemetry::nostd::shared_ptr<opentelemetry::trace::Tracer> tracer)
+            : Tracer_(std::move(tracer)) {}
+
+        std::unique_ptr<ISpan> StartSpan(const std::string& name) override {
+            if (!Tracer_) {
+                return nullptr;
+            }
+            auto span = Tracer_->StartSpan(name);
+            return std::make_unique<TOpenTelemetrySpan>(std::move(span));
+        }
+
+    private:
+        opentelemetry::nostd::shared_ptr<opentelemetry::trace::Tracer> Tracer_;
+    };
+
+} // namespace NTracing
+} // namespace NYdb