public Result OpenCustomStorageFileSystem(out IFileSystem fileSystem, CustomStorageId storageId)
{
fileSystem = default;
switch (storageId)
{
case CustomStorageId.SdCard:
{
Result rc = FsCreators.SdFileSystemCreator.Create(out IFileSystem sdFs);
if (rc.IsFailure())
{
return(rc);
}
string customStorageDir = CustomStorage.GetCustomStorageDirectoryName(CustomStorageId.SdCard);
string subDirName = $"/{NintendoDirectoryName}/{customStorageDir}";
rc = Util.CreateSubFileSystem(out IFileSystem subFs, sdFs, subDirName, true);
if (rc.IsFailure())
{
return(rc);
}
rc = FsCreators.EncryptedFileSystemCreator.Create(out IFileSystem encryptedFs, subFs,
EncryptedFsKeyId.CustomStorage, SdEncryptionSeed);
if (rc.IsFailure())
{
return(rc);
}
fileSystem = encryptedFs;
return(Result.Success);
}
case CustomStorageId.System:
{
Result rc = FsCreators.BuiltInStorageFileSystemCreator.Create(out IFileSystem userFs, string.Empty,
BisPartitionId.User);
if (rc.IsFailure())
{
return(rc);
}
string customStorageDir = CustomStorage.GetCustomStorageDirectoryName(CustomStorageId.System);
string subDirName = $"/{customStorageDir}";
rc = Util.CreateSubFileSystem(out IFileSystem subFs, userFs, subDirName, true);
if (rc.IsFailure())
{
return(rc);
}
fileSystem = subFs;
return(Result.Success);
}
default:
return(ResultFs.InvalidArgument.Log());
}
}
public static string GetCustomStorageDirectoryName(CustomStorageId storageId)
{
switch (storageId)
{
case CustomStorageId.System:
case CustomStorageId.SdCard:
return("CustomStorage0");
default:
throw new ArgumentOutOfRangeException(nameof(storageId), storageId, null);
}
}
public static U8Span GetCustomStorageDirectoryName(CustomStorageId storageId)
{
switch (storageId)
{
case CustomStorageId.System:
case CustomStorageId.SdCard:
return(new U8Span(CustomStorageDirectoryName));
default:
Abort.UnexpectedDefault();
return(default);
}
}
public static Result MountCustomStorage(this FileSystemClient fs, U8Span mountName, CustomStorageId storageId)
{
Result rc = MountHelpers.CheckMountName(mountName);
if (rc.IsFailure())
{
return(rc);
}
IFileSystemProxy fsProxy = fs.GetFileSystemProxyServiceObject();
rc = fsProxy.OpenCustomStorageFileSystem(out IFileSystem customFs, storageId);
if (rc.IsFailure())
{
return(rc);
}
return(fs.Register(mountName, customFs));
}
public Result OpenCustomStorageFileSystem(out ReferenceCountedDisposable <IFileSystem> fileSystem,
CustomStorageId storageId)
{
UnsafeHelpers.SkipParamInit(out fileSystem);
ReferenceCountedDisposable <IFileSystem> tempFs = null;
ReferenceCountedDisposable <IFileSystem> encryptedFs = null;
try
{
Span <byte> path = stackalloc byte[0x40];
switch (storageId)
{
case CustomStorageId.SdCard:
{
Result rc = BaseFileSystemService.OpenSdCardProxyFileSystem(out tempFs);
if (rc.IsFailure())
{
return(rc);
}
U8Span customStorageDir = CustomStorage.GetCustomStorageDirectoryName(CustomStorageId.SdCard);
var sb = new U8StringBuilder(path);
sb.Append((byte)'/')
.Append(CommonPaths.SdCardNintendoRootDirectoryName)
.Append((byte)'/')
.Append(customStorageDir);
rc = Utility.WrapSubDirectory(out tempFs, ref tempFs, new U8Span(path), true);
if (rc.IsFailure())
{
return(rc);
}
rc = FsCreators.EncryptedFileSystemCreator.Create(out encryptedFs, tempFs,
EncryptedFsKeyId.CustomStorage, SdEncryptionSeed);
if (rc.IsFailure())
{
return(rc);
}
return(Result.Success);
}
case CustomStorageId.System:
{
Result rc = BaseFileSystemService.OpenBisFileSystem(out tempFs, U8Span.Empty,
BisPartitionId.User);
if (rc.IsFailure())
{
return(rc);
}
U8Span customStorageDir = CustomStorage.GetCustomStorageDirectoryName(CustomStorageId.System);
var sb = new U8StringBuilder(path);
sb.Append((byte)'/')
.Append(customStorageDir);
rc = Utility.WrapSubDirectory(out tempFs, ref tempFs, new U8Span(path), true);
if (rc.IsFailure())
{
return(rc);
}
fileSystem = Shared.Move(ref tempFs);
return(Result.Success);
}
default:
return(ResultFs.InvalidArgument.Log());
}
}
finally
{
tempFs?.Dispose();
encryptedFs?.Dispose();
}
}
public static Result MountCustomStorage(this FileSystemClient fs, U8Span mountName, CustomStorageId storageId)
{
Result rc = fs.Impl.CheckMountName(mountName);
if (rc.IsFailure())
{
return(rc);
}
ReferenceCountedDisposable <IFileSystemSf> fileSystem = null;
try
{
using ReferenceCountedDisposable <IFileSystemProxy> fsProxy = fs.Impl.GetFileSystemProxyServiceObject();
rc = fsProxy.Target.OpenCustomStorageFileSystem(out fileSystem, storageId);
if (rc.IsFailure())
{
return(rc);
}
var fileSystemAdapter = new FileSystemServiceObjectAdapter(fileSystem);
return(fs.Register(mountName, fileSystemAdapter));
}
finally
{
fileSystem?.Dispose();
}
}
