Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/server/tracer_config.h"
       4             : #include "envoy/thread_local/thread_local.h"
       5             : #include "envoy/tracing/trace_driver.h"
       6             : 
       7             : #include "source/extensions/tracers/xray/tracer.h"
       8             : #include "source/extensions/tracers/xray/xray_configuration.h"
       9             : 
      10             : namespace Envoy {
      11             : namespace Extensions {
      12             : namespace Tracers {
      13             : namespace XRay {
      14             : 
      15             : class Driver : public Tracing::Driver, public Logger::Loggable<Logger::Id::tracing> {
      16             : public:
      17             :   Driver(const XRay::XRayConfiguration& config,
      18             :          Server::Configuration::TracerFactoryContext& context);
      19             : 
      20             :   // Tracing::Driver
      21             :   Tracing::SpanPtr startSpan(const Tracing::Config& config, Tracing::TraceContext& trace_context,
      22             :                              const StreamInfo::StreamInfo& stream_info,
      23             :                              const std::string& operation_name,
      24             :                              Tracing::Decision tracing_decision) override;
      25             : 
      26             : private:
      27             :   struct TlsTracer : ThreadLocal::ThreadLocalObject {
      28           0 :     TlsTracer(TracerPtr tracer, Driver& driver) : tracer_(std::move(tracer)), driver_(driver) {}
      29             :     TracerPtr tracer_;
      30             :     Driver& driver_;
      31             :   };
      32             : 
      33             :   XRayConfiguration xray_config_;
      34             :   SamplingStrategyPtr sampling_strategy_;
      35             :   ThreadLocal::SlotPtr tls_slot_ptr_;
      36             : };
      37             : 
      38             : } // namespace XRay
      39             : } // namespace Tracers
      40             : } // namespace Extensions
      41             : } // namespace Envoy