tracing.hpp

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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
 
#pragma once
 
#include <azure/core/context.hpp>
 
#include <memory>
#include <string>
 
namespace Azure { namespace Core { namespace Tracing {
  class TracerProvider;
  namespace _internal {
    class Tracer;
    class TracerProviderImpl {
    public:
      virtual std::shared_ptr<Azure::Core::Tracing::_internal::Tracer> CreateTracer(
          std::string const& name,
          std::string const& version = {}) const = 0;
 
      virtual ~TracerProviderImpl() = default;
    };
 
    struct TracerProviderImplGetter
    {
      static std::shared_ptr<TracerProviderImpl> TracerImplFromTracer(
          std::shared_ptr<TracerProvider> const& provider);
    };
 
  } // namespace _internal
 
  class TracerProvider : private _internal::TracerProviderImpl {
    // Marked TracerImplFromTracer as friend so it can access private members in the class.
    friend std::shared_ptr<TracerProviderImpl>
    _internal::TracerProviderImplGetter::TracerImplFromTracer(
        std::shared_ptr<TracerProvider> const&);
  };
 
}}} // namespace Azure::Core::Tracing