#pragma once

#include "envoy/config/cluster/v3/cluster.pb.h"

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

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

namespace Envoy {

namespace Upstream {

class StaticClusterFactory;

class UpstreamImplTestBase;

/**

 * Implementation of Upstream::Cluster for static clusters (clusters that have a fixed number of

 * hosts with resolved IP addresses).

 */

class StaticClusterImpl : public ClusterImplBase {

public:

  // Upstream::Cluster

protected:

  StaticClusterImpl(const envoy::config::cluster::v3::Cluster& cluster,

                    ClusterFactoryContext& context, absl::Status& creation_status);

private:

  friend class StaticClusterFactory;

  friend class UpstreamImplTestBase;

  // ClusterImplBase

  void startPreInit() override;

  PriorityStateManagerPtr priority_state_manager_;

  uint32_t overprovisioning_factor_;

  bool weighted_priority_health_;

};

/**

 * Factory for StaticClusterImpl cluster.

 */

class StaticClusterFactory : public ClusterFactoryImplBase {

public:

  absl::StatusOr<std::pair<ClusterImplBaseSharedPtr, ThreadAwareLoadBalancerPtr>>

  createClusterImpl(const envoy::config::cluster::v3::Cluster& cluster,

                    ClusterFactoryContext& context) override;

};

DECLARE_FACTORY(StaticClusterFactory);

} // namespace Upstream

} // namespace Envoy