fetcher_config.h

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/*
 * Copyright (C) 2019 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.
 */
#pragma once
 
#include <map>
#include <memory>
#include <ostream>
#include <string>
 
#include "cuttlefish/common/libs/utils/result.h"
 
namespace Json {
class Value;
}
 
namespace cuttlefish {
 
// Order in enum is not guaranteed to be stable, serialized as a string.
enum class FileSource {
  UNKNOWN_PURPOSE = 0,
  DEFAULT_BUILD,
  SYSTEM_BUILD,
  KERNEL_BUILD,
  LOCAL_FILE,
  GENERATED,
  BOOTLOADER_BUILD,
  ANDROID_EFI_LOADER_BUILD,
  BOOT_BUILD,
  HOST_PACKAGE_BUILD,
  CHROME_OS_BUILD,
};
 
/*
 * Attempts to answer the general question "where did this file come from, and
 * what purpose is it serving?
 */
struct CvdFile {
  FileSource source;
  std::string build_id;
  std::string build_target;
  std::string file_path;
 
  CvdFile();
  CvdFile(const FileSource& source, const std::string& build_id,
          const std::string& build_target, const std::string& file_path);
};
 
std::ostream& operator<<(std::ostream&, const CvdFile&);
 
class FetcherConfig {
  std::unique_ptr<Json::Value> dictionary_;
 
 public:
  FetcherConfig();
  FetcherConfig(FetcherConfig&&);
  ~FetcherConfig();
 
  bool SaveToFile(const std::string& file) const;
  bool LoadFromFile(const std::string& file);
 
  // For debugging only, not intended for programmatic access.
  void RecordFlags();
 
  bool add_cvd_file(const CvdFile& file, bool override_entry = false);
  std::map<std::string, CvdFile> get_cvd_files() const;
 
  std::string FindCvdFileWithSuffix(const std::string& suffix) const;
 
  Result<void> AddFilesToConfig(FileSource purpose, const std::string& build_id,
                                const std::string& build_target,
                                const std::vector<std::string>& paths,
                                const std::string& directory_prefix,
                                bool override_entry = false);
};
 
} // namespace cuttlefish