public static ResultCode LoadSaveDataFileSystem(ServiceCtx context, bool readOnly, out IFileSystem loadedFileSystem)
{
loadedFileSystem = null;
SaveSpaceId saveSpaceId = (SaveSpaceId)context.RequestData.ReadInt64();
ulong titleId = context.RequestData.ReadUInt64();
UInt128 userId = context.RequestData.ReadStruct <UInt128>();
long saveId = context.RequestData.ReadInt64();
SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadByte();
SaveInfo saveInfo = new SaveInfo(titleId, saveId, saveDataType, saveSpaceId, userId);
string savePath = context.Device.FileSystem.GetSavePath(context, saveInfo);
try
{
LocalFileSystem fileSystem = new LocalFileSystem(savePath);
LibHac.Fs.IFileSystem saveFileSystem = new DirectorySaveDataFileSystem(fileSystem);
if (readOnly)
{
saveFileSystem = new ReadOnlyFileSystem(saveFileSystem);
}
loadedFileSystem = new IFileSystem(saveFileSystem);
}
catch (HorizonResultException ex)
{
return((ResultCode)ex.ResultValue.Value);
}
return(ResultCode.Success);
}
public long LoadSaveDataFileSystem(ServiceCtx context)
{
SaveSpaceId saveSpaceId = (SaveSpaceId)context.RequestData.ReadInt64();
long titleId = context.RequestData.ReadInt64();
UInt128 userId = context.RequestData.ReadStruct <UInt128>();
long saveId = context.RequestData.ReadInt64();
SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadByte();
SaveInfo saveInfo = new SaveInfo(titleId, saveId, saveDataType, userId, saveSpaceId);
string savePath = context.Device.FileSystem.GetGameSavePath(saveInfo, context);
try
{
LocalFileSystem fileSystem = new LocalFileSystem(savePath);
DirectorySaveDataFileSystem saveFileSystem = new DirectorySaveDataFileSystem(fileSystem);
MakeObject(context, new IFileSystem(saveFileSystem));
}
catch (HorizonResultException ex)
{
return(ex.ResultValue.Value);
}
return(0);
}
public void Rollback_WriteExtraDataThenCloseFs_ExtraDataIsRolledBack()
{
var baseFs = new InMemoryFileSystem();
DirectorySaveDataFileSystem.CreateNew(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true)
.ThrowIfFailure();
// Write extra data and close with committing
var originalExtraData = new SaveDataExtraData();
originalExtraData.DataSize = 0x12345;
saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
saveFs.CommitExtraData(false).ThrowIfFailure();
saveFs.Dispose();
DirectorySaveDataFileSystem.CreateNew(out saveFs, baseFs, true, true, true).ThrowIfFailure();
// Write a new extra data and close without committing
var newExtraData = new SaveDataExtraData();
newExtraData.DataSize = 0x67890;
saveFs.WriteExtraData(in newExtraData).ThrowIfFailure();
saveFs.Dispose();
// Read extra data should match the first one
DirectorySaveDataFileSystem.CreateNew(out saveFs, baseFs, true, true, true).ThrowIfFailure();
Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
Assert.Equal(originalExtraData, extraData);
}
public void Rollback_WriteExtraDataThenRollback_ExtraDataIsRolledBack()
{
var baseFs = new InMemoryFileSystem();
DirectorySaveDataFileSystem.CreateNew(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true)
.ThrowIfFailure();
var originalExtraData = new SaveDataExtraData();
originalExtraData.DataSize = 0x12345;
saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
saveFs.CommitExtraData(false).ThrowIfFailure();
saveFs.Dispose();
DirectorySaveDataFileSystem.CreateNew(out saveFs, baseFs, true, true, true).ThrowIfFailure();
var newExtraData = new SaveDataExtraData();
newExtraData.DataSize = 0x67890;
saveFs.WriteExtraData(in newExtraData).ThrowIfFailure();
Assert.Success(saveFs.Rollback());
Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
Assert.Equal(originalExtraData, extraData);
}
public void LoadSaveDataFileSystem(ServiceCtx context)
{
SaveSpaceId saveSpaceId = (SaveSpaceId)context.RequestData.ReadInt64();
long titleId = context.RequestData.ReadInt64();
UInt128 userId = new UInt128(
context.RequestData.ReadInt64(),
context.RequestData.ReadInt64());
long saveId = context.RequestData.ReadInt64();
SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadByte();
SaveInfo saveInfo = new SaveInfo(titleId, saveId, saveDataType, userId, saveSpaceId);
string savePath = context.Device.FileSystem.GetGameSavePath(saveInfo, context);
LocalFileSystem fileSystem = new LocalFileSystem(savePath);
DirectorySaveDataFileSystem saveFileSystem = new DirectorySaveDataFileSystem(fileSystem);
MakeObject(context, new IFileSystem(saveFileSystem));
}
public void Commit_AfterSuccessfulCommit_CanReadCommittedExtraData()
{
var baseFs = new InMemoryFileSystem();
DirectorySaveDataFileSystem.CreateNew(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true)
.ThrowIfFailure();
var originalExtraData = new SaveDataExtraData();
originalExtraData.DataSize = 0x12345;
saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
Assert.Success(saveFs.CommitExtraData(false));
saveFs.Dispose();
DirectorySaveDataFileSystem.CreateNew(out saveFs, baseFs, true, true, true).ThrowIfFailure();
Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
Assert.Equal(originalExtraData, extraData);
}
public Result Create(out ReferenceCountedDisposable <IFileSystem> fileSystem,
out ReferenceCountedDisposable <ISaveDataExtraDataAccessor> extraDataAccessor,
ISaveDataFileSystemCacheManager cacheManager, ref ReferenceCountedDisposable <IFileSystem> baseFileSystem,
SaveDataSpaceId spaceId, ulong saveDataId, bool allowDirectorySaveData, bool useDeviceUniqueMac,
bool isJournalingSupported, bool isMultiCommitSupported, bool openReadOnly, bool openShared,
ISaveDataCommitTimeStampGetter timeStampGetter)
{
Span <byte> saveImageName = stackalloc byte[0x12];
UnsafeHelpers.SkipParamInit(out fileSystem, out extraDataAccessor);
Assert.SdkRequiresNotNull(cacheManager);
var sb = new U8StringBuilder(saveImageName);
sb.Append((byte)'/').AppendFormat(saveDataId, 'x', 16);
Result rc = baseFileSystem.Target.GetEntryType(out DirectoryEntryType type, new U8Span(saveImageName));
if (rc.IsFailure())
{
return(ResultFs.PathNotFound.Includes(rc) ? ResultFs.TargetNotFound.LogConverted(rc) : rc);
}
if (type == DirectoryEntryType.Directory)
{
if (!allowDirectorySaveData)
{
return(ResultFs.InvalidSaveDataEntryType.Log());
}
SubdirectoryFileSystem subDirFs = null;
ReferenceCountedDisposable <DirectorySaveDataFileSystem> saveFs = null;
try
{
subDirFs = new SubdirectoryFileSystem(ref baseFileSystem);
rc = subDirFs.Initialize(new U8Span(saveImageName));
if (rc.IsFailure())
{
return(rc);
}
saveFs = DirectorySaveDataFileSystem.CreateShared(Shared.Move(ref subDirFs), _fsServer.Hos.Fs);
rc = saveFs.Target.Initialize(timeStampGetter, _randomGenerator, isJournalingSupported,
isMultiCommitSupported, !openReadOnly);
if (rc.IsFailure())
{
return(rc);
}
fileSystem = saveFs.AddReference <IFileSystem>();
extraDataAccessor = saveFs.AddReference <ISaveDataExtraDataAccessor>();
return(Result.Success);
}
finally
{
subDirFs?.Dispose();
saveFs?.Dispose();
}
}
ReferenceCountedDisposable <IStorage> fileStorage = null;
try
{
Optional <OpenType> openType =
openShared ? new Optional <OpenType>(OpenType.Normal) : new Optional <OpenType>();
rc = _fsServer.OpenSaveDataStorage(out fileStorage, ref baseFileSystem, spaceId, saveDataId,
OpenMode.ReadWrite, openType);
if (rc.IsFailure())
{
return(rc);
}
if (!isJournalingSupported)
{
throw new NotImplementedException();
}
// Todo: Properly handle shared storage
fileSystem = new ReferenceCountedDisposable <IFileSystem>(new SaveDataFileSystem(_keySet,
fileStorage.Target, IntegrityCheckLevel.ErrorOnInvalid, false));
// Todo: ISaveDataExtraDataAccessor
return(Result.Success);
}
finally
{
fileStorage?.Dispose();
}
}
