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IOS/FS: Implement GetExtendedDirectoryStats().

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Behaves like GetDirectoryStats() but doesn't clamp to the Wii limits, so we can tell the user exactly how overfull their NAND is.
This commit is contained in:
Admiral H. Curtiss 2023-07-14 04:16:56 +02:00
parent 0d9e027a0b
commit efae5827f2
No known key found for this signature in database
GPG Key ID: F051B4C4044F33FB
3 changed files with 28 additions and 5 deletions
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11
Source/Core/Core/IOS/FS/FileSystem.h
View File

@ -151,6 +151,14 @@ struct DirectoryStats
u32 used_inodes;
};
// Not a real Wii data struct, but useful for calculating how full the user's NAND is even if it's
// way larger than it should be.
struct ExtendedDirectoryStats
{
u64 used_clusters;
u64 used_inodes;
};
struct FileStatus
{
u32 offset;
@ -279,6 +287,9 @@ public:
/// Get usage information about a directory (used cluster and inode counts).
virtual Result<DirectoryStats> GetDirectoryStats(const std::string& path) = 0;
/// Like GetDirectoryStats() but not limited to the actual 512 MB NAND limit.
virtual Result<ExtendedDirectoryStats> GetExtendedDirectoryStats(const std::string& path) = 0;
virtual void SetNandRedirects(std::vector<NandRedirect> nand_redirects) = 0;
};

21
Source/Core/Core/IOS/FS/HostBackend/FS.cpp
View File

@ -803,11 +803,24 @@ Result<NandStats> HostFileSystem::GetNandStats()
}
Result<DirectoryStats> HostFileSystem::GetDirectoryStats(const std::string& wii_path)
{
const auto result = GetExtendedDirectoryStats(wii_path);
if (!result)
return result.Error();
DirectoryStats stats{};
stats.used_inodes = static_cast<u32>(std::min<u64>(result->used_inodes, TOTAL_INODES));
stats.used_clusters = static_cast<u32>(std::min<u64>(result->used_clusters, USABLE_CLUSTERS));
return stats;
}
Result<ExtendedDirectoryStats>
HostFileSystem::GetExtendedDirectoryStats(const std::string& wii_path)
{
if (!IsValidPath(wii_path))
return ResultCode::Invalid;
DirectoryStats stats{};
ExtendedDirectoryStats stats{};
std::string path(BuildFilename(wii_path).host_path);
File::FileInfo info(path);
if (!info.Exists())
@ -820,10 +833,8 @@ Result<DirectoryStats> HostFileSystem::GetDirectoryStats(const std::string& wii_
FixupDirectoryEntries(&parent_dir, wii_path == "/");
// add one for the folder itself
stats.used_inodes = static_cast<u32>(std::min<u64>(1 + parent_dir.size, TOTAL_INODES));
const u64 clusters = ComputeUsedClusters(parent_dir);
stats.used_clusters = static_cast<u32>(std::min<u64>(clusters, USABLE_CLUSTERS));
stats.used_inodes = 1 + parent_dir.size;
stats.used_clusters = ComputeUsedClusters(parent_dir);
}
else
{

1
Source/Core/Core/IOS/FS/HostBackend/FS.h
View File

@ -55,6 +55,7 @@ public:
Result<NandStats> GetNandStats() override;
Result<DirectoryStats> GetDirectoryStats(const std::string& path) override;
Result<ExtendedDirectoryStats> GetExtendedDirectoryStats(const std::string& path) override;
void SetNandRedirects(std::vector<NandRedirect> nand_redirects) override;