Function main

cpp/examples/tracing_server.cpp:105–149

};

int main(int argc, char **argv) {
    try {
        std::string conn_url = argc > 1 ? argv[1] : "//127.0.0.1:5672";
        std::string addr = argc > 2 ? argv[2] : "examples";

        // 1. Initialize the exporter and the provider
        // 2. Set the global trace provider
        // 3. Call proton::initOpenTelemetryTracer()

        // Initialize otlp http Exporter
        opentelemetry::exporter::otlp::OtlpHttpExporterOptions options;
        options.url = "localhost:4318";
        auto exporter = std::unique_ptr<opentelemetry::sdk::trace::SpanExporter>(new opentelemetry::exporter::otlp::OtlpHttpExporter(options));


        // Set service-name
        auto resource_attributes = opentelemetry::sdk::resource::ResourceAttributes
        {
            {"service.name", "qpid-example-server"}
        };

        // Creation of the resource for associating it with telemetry
        auto resource = opentelemetry::sdk::resource::Resource::Create(resource_attributes);

        auto processor = std::unique_ptr<opentelemetry::sdk::trace::SpanProcessor>(
            new opentelemetry::sdk::trace::SimpleSpanProcessor(std::move(exporter)));
        provider = opentelemetry::nostd::shared_ptr<opentelemetry::trace::TracerProvider>(
            new opentelemetry::sdk::trace::TracerProvider(std::move(processor), resource));

        // Set the global trace provider
        opentelemetry::trace::Provider::SetTracerProvider(provider);
    
        // Enable tracing in proton cpp
        proton::initOpenTelemetryTracer();

        server srv(conn_url, addr);
        proton::container(srv).run();

        return 0;
    } catch (const std::exception& e) {
        std::cerr << e.what() << std::endl;
    }

    return 1;
}