#pragma once

#include "envoy/grpc/status.h"

#include "source/common/stats/symbol_table.h"

#include "absl/container/flat_hash_map.h"

namespace Envoy {

namespace Grpc {

/**

 * Captures symbolized representation for tokens used in grpc stats. These are

 * broken out so they can be allocated early and used across all gRPC-related

 * filters.

 */

struct StatNames {

  explicit StatNames(Stats::SymbolTable& symbol_table);

  Stats::StatNamePool pool_;

  Stats::StatName streams_total_;

  std::array<Stats::StatName, Status::WellKnownGrpcStatus::MaximumKnown + 1> streams_closed_;

  absl::flat_hash_map<std::string, Stats::StatName> status_names_;

  // Stat name tracking the creation of the Google grpc client.

  Stats::StatName google_grpc_client_creation_;

};

} // namespace Grpc

} // namespace Envoy