#pragma once

#include <atomic>

#include <memory>

#include <string>

#include "envoy/extensions/common/dynamic_forward_proxy/v3/dns_cache.pb.h"

#include "envoy/runtime/runtime.h"

#include "envoy/stats/scope.h"

#include "envoy/stats/stats_macros.h"

#include "envoy/upstream/resource_manager.h"

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

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

#include "source/common/upstream/resource_manager_impl.h"

#include "source/extensions/common/dynamic_forward_proxy/dns_cache.h"

namespace Envoy {

namespace Extensions {

namespace Common {

namespace DynamicForwardProxy {

class DnsCacheResourceManagerImpl : public DnsCacheResourceManager {

public:

  DnsCacheResourceManagerImpl(

      Stats::Scope& scope, Runtime::Loader& loader, const std::string& config_name,

      const envoy::extensions::common::dynamic_forward_proxy::v3::DnsCacheCircuitBreakers&

          cb_config);

  static DnsCacheCircuitBreakersStats generateDnsCacheCircuitBreakersStats(Stats::Scope& scope);

  // Envoy::Upstream::DnsCacheResourceManager

private:

  DnsCacheCircuitBreakersStats cb_stats_;

  Upstream::ManagedResourceImpl pending_requests_;

};

} // namespace DynamicForwardProxy

} // namespace Common

} // namespace Extensions

} // namespace Envoy