1 
#include "source/extensions/tracers/datadog/config.h"
2 

            

        

            

                3
            

            

                
            

            

                
#include <datadog/runtime_id.h>

            

        

            

                4
            

            

                
            

            

                
#include <datadog/tracer_config.h>

            

        

            

                5
            

            

                
            

            

                

            

        

            

                6
            

            

                
            

            

                
#include <memory>

            

        

            

                7
            

            

                
            

            

                

            

        

            

                8
            

            

                
            

            

                
#include "envoy/config/trace/v3/datadog.pb.h"

            

        

            

                9
            

            

                
            

            

                
#include "envoy/config/trace/v3/datadog.pb.validate.h"

            

        

            

                10
            

            

                
            

            

                
#include "envoy/registry/registry.h"

            

        

            

                11
            

            

                
            

            

                

            

        

            

                12
            

            

                
            

            

                
#include "source/common/version/version.h"

            

        

            

                13
            

            

                
            

            

                
#include "source/extensions/tracers/datadog/tracer.h"

            

        

            

                14
            

            

                
            

            

                

            

        

            

                15
            

            

                
            

            

                
namespace Envoy {

            

        

            

                16
            

            

                
            

            

                
namespace Extensions {

            

        

            

                17
            

            

                
            

            

                
namespace Tracers {

            

        

            

                18
            

            

                
            

            

                
namespace Datadog {

            

        

            

                19
            

            

                
            

            

                

            

        

            

                20
            

            

                5
            

            

                
DatadogTracerFactory::DatadogTracerFactory() : FactoryBase("envoy.tracers.datadog") {}

            

        

            

                21
            

            

                
            

            

                

            

        

            

                22
            

            

                
            

            

                
datadog::tracing::TracerConfig

            

        

            

                23
            

            

                9
            

            

                
DatadogTracerFactory::makeConfig(const envoy::config::trace::v3::DatadogConfig& proto_config) {

            

        

            

                24
            

            

                9
            

            

                
  datadog::tracing::TracerConfig config;

            

        

            

                25
            

            

                9
            

            

                
  config.version = "envoy " + Envoy::VersionInfo::version();

            

        

            

                26
            

            

                9
            

            

                
  config.name = "envoy.proxy";

            

        

            

                27
            

            

                9
            

            

                
  if (proto_config.service_name().empty()) {

            

        

            

                28
            

            

                7
            

            

                
    config.service = "envoy";

            

        

            

                29
            

            

                7
            

            

                
  } else {

            

        

            

                30
            

            

                2
            

            

                
    config.service = proto_config.service_name();

            

        

            

                31
            

            

                2
            

            

                
  }

            

        

            

                32
            

            

                
            

            

                

            

        

            

                33
            

            

                9
            

            

                
  if (proto_config.has_remote_config()) {

            

        

            

                34
            

            

                2
            

            

                
    const auto& proto_remote_config = proto_config.remote_config();

            

        

            

                35
            

            

                2
            

            

                
    config.agent.remote_configuration_enabled = true;

            

        

            

                36
            

            

                
            

            

                

            

        

            

                37
            

            

                2
            

            

                
    if (proto_remote_config.has_polling_interval()) {

            

        

            

                38
            

            

                1
            

            

                
      config.agent.remote_configuration_poll_interval_seconds =

            

        

            

                39
            

            

                1
            

            

                
          proto_remote_config.polling_interval().seconds();

            

        

            

                40
            

            

                1
            

            

                
    }

            

        

            

                41
            

            

                7
            

            

                
  } else {

            

        

            

                42
            

            

                7
            

            

                
    config.agent.remote_configuration_enabled = false;

            

        

            

                43
            

            

                7
            

            

                
  }

            

        

            

                44
            

            

                
            

            

                

            

        

            

                45
            

            

                9
            

            

                
  config.integration_name = "envoy";

            

        

            

                46
            

            

                9
            

            

                
  config.integration_version = Envoy::VersionInfo::version();

            

        

            

                47
            

            

                
            

            

                

            

        

            

                48
            

            

                9
            

            

                
  return config;

            

        

            

                49
            

            

                9
            

            

                
}

            

        

            

                50
            

            

                
            

            

                

            

        

            

                51
            

            

                
            

            

                
std::string DatadogTracerFactory::makeCollectorReferenceHost(

            

        

            

                52
            

            

                6
            

            

                
    const envoy::config::trace::v3::DatadogConfig& proto_config) {

            

        

            

                53
            

            

                6
            

            

                
  std::string collector_reference_host = proto_config.collector_hostname();

            

        

            

                54
            

            

                6
            

            

                
  if (collector_reference_host.empty()) {

            

        

            

                55
            

            

                5
            

            

                
    collector_reference_host = proto_config.collector_cluster();

            

        

            

                56
            

            

                5
            

            

                
  }

            

        

            

                57
            

            

                6
            

            

                
  return collector_reference_host;

            

        

            

                58
            

            

                6
            

            

                
}

            

        

            

                59
            

            

                
            

            

                

            

        

            

                60
            

            

                
            

            

                
Tracing::DriverSharedPtr DatadogTracerFactory::createTracerDriverTyped(

            

        

            

                61
            

            

                
            

            

                
    const envoy::config::trace::v3::DatadogConfig& proto_config,

            

        

            

                62
            

            

                1
            

            

                
    Server::Configuration::TracerFactoryContext& context) {

            

        

            

                63
            

            

                1
            

            

                
  auto& factory_context = context.serverFactoryContext();

            

        

            

                64
            

            

                1
            

            

                
  return std::make_shared<Tracer>(

            

        

            

                65
            

            

                1
            

            

                
      proto_config.collector_cluster(), makeCollectorReferenceHost(proto_config),

            

        

            

                66
            

            

                1
            

            

                
      makeConfig(proto_config), factory_context.clusterManager(), factory_context.scope(),

            

        

            

                67
            

            

                1
            

            

                
      factory_context.threadLocal(), factory_context.timeSource());

            

        

            

                68
            

            

                1
            

            

                
}

            

        

            

                69
            

            

                
            

            

                

            

        

            

                70
            

            

                
            

            

                
/**

            

        

            

                71
            

            

                
            

            

                
 * Static registration for the Datadog tracer. @see RegisterFactory.

            

        

            

                72
            

            

                
            

            

                
 */

            

        

            

                73
            

            

                
            

            

                
REGISTER_FACTORY(DatadogTracerFactory, Server::Configuration::TracerFactory);

            

        

            

                74
            

            

                
            

            

                

            

        

            

                75
            

            

                
            

            

                
} // namespace Datadog

            

        

            

                76
            

            

                
            

            

                
} // namespace Tracers

            

        

            

                77
            

            

                
            

            

                
} // namespace Extensions

            

        

            

                78
            

            

                
            

            

                
} // namespace Envoy