aosp/apex_handler_interface.h

//
// Copyright (C) 2021 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 SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_INTERFACE_H_
#define SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_INTERFACE_H_

#include <vector>

#include <android-base/result.h>

#include "update_engine/update_metadata.pb.h"

namespace chromeos_update_engine {

class ApexHandlerInterface {
 public:
  virtual ~ApexHandlerInterface() = default;
  virtual android::base::Result<uint64_t> CalculateSize(
      const std::vector<ApexInfo>& apex_infos) const = 0;
  virtual bool AllocateSpace(const std::vector<ApexInfo>& apex_infos) const = 0;
  static std::unique_ptr<ApexHandlerInterface> CreateApexHandler();
};

}  // namespace chromeos_update_engine

#endif  // SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_INTERFACE_H_