FS: Make EnsureSaveData create the savedata folder when called for the first time.

This commit is contained in:
Subv 2018-03-04 13:03:58 -05:00
parent 7e7110b3b9
commit 0eefe6e4d1
8 changed files with 70 additions and 17 deletions

View file

@ -183,10 +183,9 @@ public:
/**
* Deletes the archive contents and then re-creates the base folder
* @param path Path to the archive
* @param format_info Format information for the new archive
* @return ResultCode of the operation, 0 on success
*/
virtual ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) = 0;
virtual ResultCode Format(const Path& path) = 0;
/**
* Retrieves the format info about the archive with the specified path

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@ -23,7 +23,7 @@ ResultVal<std::unique_ptr<FileSystemBackend>> RomFS_Factory::Open(const Path& pa
return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
}
ResultCode RomFS_Factory::Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
ResultCode RomFS_Factory::Format(const Path& path) {
LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
// TODO(bunnei): Find the right error code for this
return ResultCode(-1);

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@ -23,7 +23,7 @@ public:
return "ArchiveFactory_RomFS";
}
ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultCode Format(const Path& path) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:

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@ -17,20 +17,26 @@ SaveData_Factory::SaveData_Factory(std::string nand_directory)
: nand_directory(std::move(nand_directory)) {}
ResultVal<std::unique_ptr<FileSystemBackend>> SaveData_Factory::Open(const Path& path) {
u64 title_id = Kernel::g_current_process->program_id;
// TODO(Subv): Somehow obtain this value.
u32 user = 0;
std::string save_directory = Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X",
nand_directory.c_str(), title_id, user);
std::string save_directory = GetFullPath();
// Return an error if the save data doesn't actually exist.
if (!FileUtil::IsDirectory(save_directory)) {
// TODO(Subv): Find out correct error code.
return ResultCode(-1);
}
auto archive = std::make_unique<Disk_FileSystem>(save_directory);
return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
}
ResultCode SaveData_Factory::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
LOG_ERROR(Service_FS, "Unimplemented Format archive %s", GetName().c_str());
// TODO(bunnei): Find the right error code for this
return ResultCode(-1);
ResultCode SaveData_Factory::Format(const Path& path) {
LOG_WARNING(Service_FS, "Format archive %s", GetName().c_str());
// Create the save data directory.
if (!FileUtil::CreateFullPath(GetFullPath())) {
// TODO(Subv): Find the correct error code.
return ResultCode(-1);
}
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> SaveData_Factory::GetFormatInfo(const Path& path) const {
@ -39,4 +45,12 @@ ResultVal<ArchiveFormatInfo> SaveData_Factory::GetFormatInfo(const Path& path) c
return ResultCode(-1);
}
std::string SaveData_Factory::GetFullPath() const {
u64 title_id = Kernel::g_current_process->program_id;
// TODO(Subv): Somehow obtain this value.
u32 user = 0;
return Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X/", nand_directory.c_str(), title_id,
user);
}
} // namespace FileSys

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@ -21,11 +21,13 @@ public:
return "SaveData_Factory";
}
ResultVal<std::unique_ptr<FileSystemBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultCode Format(const Path& path) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string nand_directory;
std::string GetFullPath() const;
};
} // namespace FileSys

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@ -2,12 +2,15 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include "core/file_sys/filesystem.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/event.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/am/applet_ae.h"
#include "core/hle/service/am/applet_oe.h"
#include "core/hle/service/apm/apm.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/nvflinger/nvflinger.h"
namespace Service {
@ -416,9 +419,24 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
}
void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u128 uid = rp.PopRaw<u128>();
LOG_WARNING(Service, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
FileSys::Path unused;
auto savedata = FileSystem::OpenFileSystem(FileSystem::Type::SaveData, unused);
if (savedata.Failed()) {
// Create the save data and return an error indicating that the operation was performed.
FileSystem::FormatFileSystem(FileSystem::Type::SaveData);
// TODO(Subv): Find out the correct error code for this.
rb.Push(ResultCode(ErrorModule::FS, 40));
} else {
rb.Push(RESULT_SUCCESS);
}
rb.Push<u64>(0);
}

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@ -43,6 +43,19 @@ ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
return itr->second->Open(path);
}
ResultCode FormatFileSystem(Type type) {
LOG_TRACE(Service_FS, "Formatting FileSystem with type=%d", type);
auto itr = filesystem_map.find(type);
if (itr == filesystem_map.end()) {
// TODO(bunnei): Find a better error code for this
return ResultCode(-1);
}
FileSys::Path unused;
return itr->second->Format(unused);
}
void RegisterFileSystems() {
filesystem_map.clear();

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@ -44,6 +44,13 @@ ResultCode RegisterFileSystem(std::unique_ptr<FileSys::FileSystemFactory>&& fact
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
FileSys::Path& path);
/**
* Formats a file system
* @param type Type of the file system to format
* @return ResultCode of the operation
*/
ResultCode FormatFileSystem(Type type);
/// Registers all Filesystem services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);