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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <memory>
#include <utility>
#include "opentelemetry/exporters/ostream/span_exporter_factory.h"
#include "opentelemetry/sdk/trace/exporter.h"
#include "opentelemetry/sdk/trace/processor.h"
#include "opentelemetry/sdk/trace/provider.h"
#include "opentelemetry/sdk/trace/simple_processor_factory.h"
#include "opentelemetry/sdk/trace/tracer_provider.h"
#include "opentelemetry/sdk/trace/tracer_provider_factory.h"
#include "opentelemetry/trace/tracer_provider.h"
#ifdef BAZEL_BUILD
# include "examples/common/foo_library/foo_library.h"
#else
# include "foo_library/foo_library.h"
#endif
namespace trace_api = opentelemetry::trace;
namespace trace_sdk = opentelemetry::sdk::trace;
namespace trace_exporter = opentelemetry::exporter::trace;
namespace
{
void InitTracer()
{
auto exporter = trace_exporter::OStreamSpanExporterFactory::Create();
auto processor = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter));
std::shared_ptr<opentelemetry::sdk::trace::TracerProvider> sdk_provider =
trace_sdk::TracerProviderFactory::Create(std::move(processor));
// Set the global trace provider
const std::shared_ptr<opentelemetry::trace::TracerProvider> &api_provider = sdk_provider;
trace_sdk::Provider::SetTracerProvider(api_provider);
}
void CleanupTracer()
{
std::shared_ptr<opentelemetry::trace::TracerProvider> noop;
trace_sdk::Provider::SetTracerProvider(noop);
}
} // namespace
int main(int /* argc */, char ** /* argv */)
{
// Removing this line will leave the default noop TracerProvider in place.
InitTracer();
foo_library();
CleanupTracer();
return 0;
}
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