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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <memory>
#include <string>
#include <utility>
#include "opentelemetry/exporters/otlp/otlp_http.h"
#include "opentelemetry/exporters/otlp/otlp_http_exporter_factory.h"
#include "opentelemetry/exporters/otlp/otlp_http_exporter_options.h"
#include "opentelemetry/sdk/common/global_log_handler.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 otlp = opentelemetry::exporter::otlp;
namespace internal_log = opentelemetry::sdk::common::internal_log;
namespace
{
opentelemetry::exporter::otlp::OtlpHttpExporterOptions opts;
std::shared_ptr<opentelemetry::sdk::trace::TracerProvider> provider;
void InitTracer()
{
// Create OTLP exporter instance
auto exporter = otlp::OtlpHttpExporterFactory::Create(opts);
auto processor = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter));
provider = trace_sdk::TracerProviderFactory::Create(std::move(processor));
// Set the global trace provider
std::shared_ptr<opentelemetry::trace::TracerProvider> api_provider = provider;
trace_sdk::Provider::SetTracerProvider(api_provider);
}
void CleanupTracer()
{
// We call ForceFlush to prevent to cancel running exportings, It's optional.
if (provider)
{
provider->ForceFlush();
}
provider.reset();
std::shared_ptr<opentelemetry::trace::TracerProvider> none;
trace_sdk::Provider::SetTracerProvider(none);
}
} // namespace
/*
Usage:
- example_otlp_http
- example_otlp_http <URL>
- example_otlp_http <URL> <DEBUG>
- example_otlp_http <URL> <DEBUG> <BIN>
<DEBUG> = yes|no, to turn console debug on or off
<BIN> = bin, to export in binary format
*/
int main(int argc, char *argv[])
{
if (argc > 1)
{
opts.url = argv[1];
if (argc > 2)
{
std::string debug = argv[2];
opts.console_debug = debug != "" && debug != "0" && debug != "no";
}
if (argc > 3)
{
std::string binary_mode = argv[3];
if (binary_mode.size() >= 3 && binary_mode.substr(0, 3) == "bin")
{
opts.content_type = otlp::HttpRequestContentType::kBinary;
}
}
}
if (opts.console_debug)
{
internal_log::GlobalLogHandler::SetLogLevel(internal_log::LogLevel::Debug);
}
// Removing this line will leave the default noop TracerProvider in place.
InitTracer();
foo_library();
CleanupTracer();
return 0;
}
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