update_engine/payload_generator/full_update_generator.h

// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_FULL_UPDATE_GENERATOR_H_
#define UPDATE_ENGINE_PAYLOAD_GENERATOR_FULL_UPDATE_GENERATOR_H_

#include <string>
#include <vector>

#include <base/macros.h>

#include "update_engine/payload_generator/operations_generator.h"
#include "update_engine/payload_generator/payload_generation_config.h"

namespace chromeos_update_engine {

class FullUpdateGenerator : public OperationsGenerator {
 public:
  FullUpdateGenerator() = default;

  // Creates a full update for the target image defined in |config|. |config|
  // must be a valid payload generation configuration for a full payload.
  // Populates |rootfs_ops| and |kernel_ops|, with data about the update
  // operations, and writes relevant data to |data_file_fd|, updating
  // |data_file_size| as it does.
  bool GenerateOperations(
      const PayloadGenerationConfig& config,
      int data_file_fd,
      off_t* data_file_size,
      std::vector<AnnotatedOperation>* rootfs_ops,
      std::vector<AnnotatedOperation>* kernel_ops) override;

 private:
  DISALLOW_COPY_AND_ASSIGN(FullUpdateGenerator);
};

}  // namespace chromeos_update_engine

#endif  // UPDATE_ENGINE_PAYLOAD_GENERATOR_FULL_UPDATE_GENERATOR_H_