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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <memory>
#include <string>
#include <utility>
#include "opentelemetry/exporters/zipkin/zipkin_exporter_factory.h"
#include "opentelemetry/exporters/zipkin/zipkin_exporter_options.h"
#include "opentelemetry/sdk/resource/resource.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 = opentelemetry::trace;
namespace trace_sdk = opentelemetry::sdk::trace;
namespace zipkin = opentelemetry::exporter::zipkin;
namespace resource = opentelemetry::sdk::resource;
namespace
{
zipkin::ZipkinExporterOptions opts;
void InitTracer()
{
// Create zipkin exporter instance
resource::ResourceAttributes attributes = {{"service.name", "zipkin_demo_service"}};
auto resource = resource::Resource::Create(attributes);
auto exporter = zipkin::ZipkinExporterFactory::Create(opts);
auto processor = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter));
std::shared_ptr<opentelemetry::trace::TracerProvider> provider =
trace_sdk::TracerProviderFactory::Create(std::move(processor), resource);
// Set the global trace provider
trace_sdk::Provider::SetTracerProvider(provider);
}
void CleanupTracer()
{
std::shared_ptr<opentelemetry::trace::TracerProvider> none;
trace_sdk::Provider::SetTracerProvider(none);
}
} // namespace
int main(int argc, char *argv[])
{
if (argc == 2)
{
opts.endpoint = argv[1];
}
// Removing this line will leave the default noop TracerProvider in place.
InitTracer();
foo_library();
CleanupTracer();
return 0;
}
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