ceph/src/jaegertracing/opentelemetry-cpp/examples/jaeger/main.cc

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #include "opentelemetry/exporters/jaeger/jaeger_exporter.h"
   5 #include "opentelemetry/sdk/trace/simple_processor.h"
   6 #include "opentelemetry/sdk/trace/tracer_provider.h"
   7 #include "opentelemetry/trace/provider.h"
   8
   9 #ifdef BAZEL_BUILD
  10 #  include "examples/common/foo_library/foo_library.h"
  11 #else
  12 #  include "foo_library/foo_library.h"
  13 #endif
  14
  15 namespace trace     = opentelemetry::trace;
  16 namespace nostd     = opentelemetry::nostd;
  17 namespace trace_sdk = opentelemetry::sdk::trace;
  18 namespace jaeger    = opentelemetry::exporter::jaeger;
  19
  20 namespace
  21 {
  22 opentelemetry::exporter::jaeger::JaegerExporterOptions opts;
  23 void InitTracer()
  24 {
  25   // Create Jaeger exporter instance
  26   auto exporter  = std::unique_ptr<trace_sdk::SpanExporter>(new jaeger::JaegerExporter(opts));
  27   auto processor = std::unique_ptr<trace_sdk::SpanProcessor>(
  28       new trace_sdk::SimpleSpanProcessor(std::move(exporter)));
  29   auto provider =
  30       nostd::shared_ptr<trace::TracerProvider>(new trace_sdk::TracerProvider(std::move(processor)));
  31   // Set the global trace provider
  32   trace::Provider::SetTracerProvider(provider);
  33 }
  34 }  // namespace
  35
  36 int main(int argc, char *argv[])
  37 {
  38   if (argc == 2)
  39   {
  40     opts.endpoint = argv[1];
  41   }
  42   // Removing this line will leave the default noop TracerProvider in place.
  43   InitTracer();
  44
  45   foo_library();
  46 }