nftables.h

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/*
 * Copyright (C) 2026 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef ALLOCD_NET_NFTABLES_H_
#define ALLOCD_NET_NFTABLES_H_
 
#include <stdint.h>
 
#include <string_view>
 
#include "cuttlefish/result/result.h"
 
namespace cuttlefish {
 
class Nftables {
 public:
  virtual ~Nftables() = default;
 
  virtual Result<void> EnsureTable(std::string_view family,
                                   std::string_view table) = 0;
  virtual Result<void> DeleteTable(std::string_view family,
                                   std::string_view table) = 0;
  virtual Result<void> EnsureChain(std::string_view family,
                                   std::string_view table,
                                   std::string_view chain,
                                   std::string_view content) = 0;
  virtual Result<uint64_t> AddRule(std::string_view family,
                                   std::string_view table,
                                   std::string_view chain,
                                   std::string_view content,
                                   std::string_view comment) = 0;
  virtual Result<void> DeleteRule(std::string_view family,
                                  std::string_view table,
                                  std::string_view chain, uint64_t handle) = 0;
  virtual Result<void> DeleteRulesByComment(std::string_view family,
                                            std::string_view table,
                                            std::string_view chain,
                                            std::string_view comment) = 0;
};
 
}  // namespace cuttlefish
 
#endif  // ALLOCD_NET_NFTABLES_H_