#pragma once

#include "envoy/common/pure.h"

#include "envoy/router/router.h"

namespace Envoy {

namespace Router {

struct StatNames;

struct VirtualClusterStatNames;

struct RouteStatNames;

class Context {

public:

  /**

   * @return a struct containing StatNames for router stats.

   */

  virtual const StatNames& statNames() const PURE;

  /**

   * @return a struct containing StatNames for virtual cluster stats.

   */

  virtual const VirtualClusterStatNames& virtualClusterStatNames() const PURE;

  /**

   * @return a struct containing StatNames for route level stats.

   */

  virtual const RouteStatNames& routeStatNames() const PURE;

  /**

   * @return a reference to the default generic connection pool factory.

   */

  virtual GenericConnPoolFactory& genericConnPoolFactory() PURE;

};

/**

 * RouteStatsContext defines config needed to generate all route level stats.

 */

class RouteStatsContext {

public:

  /**

   * @return stat name for route specific stats.

   */

  virtual Stats::StatName statName() const PURE;

  /**

   * @return a struct containing stats for route stats.

   */

  virtual const RouteStats& stats() const PURE;

};

} // namespace Router

} // namespace Envoy