dlcservice/utils.h

// Copyright 2018 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 DLCSERVICE_UTILS_H_
#define DLCSERVICE_UTILS_H_

#include <string>
#include <vector>

#include <base/files/file_path.h>
#include <libimageloader/manifest.h>

namespace dlcservice {

namespace utils {

// Returns the path to a DLC module ID's based directory given |id|.
base::FilePath GetDlcModulePath(const base::FilePath& dlc_module_root_path,
                                const std::string& id);

// Returns the path to a DLC module base directory given the |id| and |package|.
base::FilePath GetDlcModulePackagePath(
    const base::FilePath& dlc_module_root_path,
    const std::string& id,
    const std::string& package);

// Returns the path to a DLC module image given the |id| and |package|.
base::FilePath GetDlcModuleImagePath(const base::FilePath& dlc_module_root_path,
                                     const std::string& id,
                                     const std::string& package,
                                     int current_slot);

bool GetDlcManifest(const base::FilePath& dlc_manifest_path,
                    const std::string& id,
                    const std::string& package,
                    imageloader::Manifest* manifest_out);

// Returns the directory inside a DLC module which is mounted at
// |dlc_mount_point|.
base::FilePath GetDlcRootInModulePath(const base::FilePath& dlc_mount_point);

// Scans a directory and returns all its subdirectory names in a list.
std::vector<std::string> ScanDirectory(const base::FilePath& dir);

}  // namespace utils
}  // namespace dlcservice

#endif  // DLCSERVICE_UTILS_H_