opentelemetry-cpp/examples/http/tracer_common.hpp

29 lines
1.1 KiB
C++

#pragma once
#include "opentelemetry/exporters/ostream/span_exporter.h"
#include "opentelemetry/sdk/trace/simple_processor.h"
#include "opentelemetry/sdk/trace/tracer_provider.h"
#include "opentelemetry/trace/provider.h"
#include <iostream>
namespace {
void initTracer() {
auto exporter = std::unique_ptr<sdktrace::SpanExporter>(
new opentelemetry::exporter::trace::OStreamSpanExporter);
auto processor = std::shared_ptr<sdktrace::SpanProcessor>(
new sdktrace::SimpleSpanProcessor(std::move(exporter)));
auto provider = nostd::shared_ptr<opentelemetry::trace::TracerProvider>(
new sdktrace::TracerProvider(processor, opentelemetry::sdk::resource::Resource::Create({}),
std::make_shared<opentelemetry::sdk::trace::AlwaysOnSampler>()));
// Set the global trace provider
opentelemetry::trace::Provider::SetTracerProvider(provider);
}
nostd::shared_ptr<opentelemetry::trace::Tracer> get_tracer(std::string tracer_name)
{
auto provider = opentelemetry::trace::Provider::GetTracerProvider();
return provider->GetTracer(tracer_name);
}
}