| // Copyright 2021 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 SPACED_DISK_USAGE_H_ |
| #define SPACED_DISK_USAGE_H_ |
| |
| #include <sys/statvfs.h> |
| |
| #include <memory> |
| #include <utility> |
| |
| #include <base/files/file_path.h> |
| #include <brillo/blkdev_utils/lvm.h> |
| #include <brillo/brillo_export.h> |
| |
| namespace spaced { |
| |
| class BRILLO_EXPORT DiskUsageUtil { |
| public: |
| DiskUsageUtil(); |
| virtual ~DiskUsageUtil(); |
| |
| virtual int64_t GetFreeDiskSpace(const base::FilePath& path); |
| virtual int64_t GetTotalDiskSpace(const base::FilePath& path); |
| virtual int64_t GetRootDeviceSize(); |
| |
| protected: |
| // Runs statvfs() on a given path. |
| virtual int StatVFS(const base::FilePath& path, struct statvfs* st); |
| |
| // Retrieves the stateful partition's thinpool. |
| virtual base::Optional<brillo::Thinpool> GetThinpool(); |
| |
| // Retrieves the root device. |
| virtual base::Optional<base::FilePath> GetRootDevice(); |
| |
| // Gets the block device size in bytes for a given device. |
| virtual int64_t GetBlockDeviceSize(const base::FilePath& device); |
| |
| private: |
| std::unique_ptr<brillo::LogicalVolumeManager> lvm_; |
| }; |
| |
| } // namespace spaced |
| |
| #endif // SPACED_DISK_USAGE_H_ |