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filesystem: Pass Size Getter functions to IFileSystem for sizes

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This commit is contained in:
Zach Hilman 2019-04-16 14:32:18 -04:00
parent 721a92775d
commit 43af31836e
3 changed files with 31 additions and 20 deletions
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12
src/core/hle/service/filesystem/filesystem.cpp
View file

@ -29,11 +29,6 @@
namespace Service::FileSystem {
// Size of emulated sd card free space, reported in bytes.
// Just using 32GB because thats reasonable
// TODO(DarkLordZach): Eventually make this configurable in settings.
constexpr u64 EMULATED_SD_REPORTED_SIZE = 32000000000;
// A default size for normal/journal save data size if application control metadata cannot be found.
// This should be large enough to satisfy even the most extreme requirements (~4.2GB)
constexpr u64 SUFFICIENT_SAVE_DATA_SIZE = 0xF0000000;
@ -227,13 +222,6 @@ ResultVal<FileSys::VirtualDir> VfsDirectoryServiceWrapper::OpenDirectory(const s
return MakeResult(dir);
}
u64 VfsDirectoryServiceWrapper::GetFreeSpaceSize() const {
if (backing->IsWritable())
return EMULATED_SD_REPORTED_SIZE;
return 0;
}
ResultVal<FileSys::EntryType> VfsDirectoryServiceWrapper::GetEntryType(
const std::string& path_) const {
std::string path(FileUtil::SanitizePath(path_));

6
src/core/hle/service/filesystem/filesystem.h
View file

@ -215,12 +215,6 @@ public:
*/
ResultVal<FileSys::VirtualDir> OpenDirectory(const std::string& path);
/**
* Get the free space
* @return The number of free bytes in the archive
*/
u64 GetFreeSpaceSize() const;
/**
* Get the type of the specified path
* @return The type of the specified path or error code

33
src/core/hle/service/filesystem/fsp_srv.cpp
View file

@ -30,6 +30,18 @@
namespace Service::FileSystem {
struct SizeGetter {
std::function<u64()> free;
std::function<u64()> total;
static SizeGetter FromStorageId(const FileSystemController& fsc, FileSys::StorageId id) {
return {
[&fsc, id] { return fsc.GetFreeSpaceSize(id); },
[&fsc, id] { return fsc.GetTotalSpaceSize(id); },
};
}
};
enum class FileSystemType : u8 {
Invalid0 = 0,
Invalid1 = 1,
@ -289,8 +301,8 @@ private:
class IFileSystem final : public ServiceFramework<IFileSystem> {
public:
explicit IFileSystem(FileSys::VirtualDir backend)
: ServiceFramework("IFileSystem"), backend(std::move(backend)) {
explicit IFileSystem(FileSys::VirtualDir backend, SizeGetter size)
: ServiceFramework("IFileSystem"), backend(std::move(backend)), size(std::move(size)) {
static const FunctionInfo functions[] = {
{0, &IFileSystem::CreateFile, "CreateFile"},
{1, &IFileSystem::DeleteFile, "DeleteFile"},
@ -467,8 +479,25 @@ public:
rb.Push(RESULT_SUCCESS);
}
void GetFreeSpaceSize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(size.free());
}
void GetTotalSpaceSize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(size.total());
}
private:
VfsDirectoryServiceWrapper backend;
SizeGetter size;
};
class ISaveDataInfoReader final : public ServiceFramework<ISaveDataInfoReader> {