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Merge pull request #229 from Subv/ensuresavedata_impl

FS: Make EnsureSaveData create the save data if it doesn't already exist.
This commit is contained in:
bunnei 2018-03-04 15:49:42 -05:00 committed by GitHub
commit 80562aaf64
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 91 additions and 43 deletions

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@ -7,6 +7,7 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/file_sys/disk_filesystem.h"
#include "core/file_sys/errors.h"
namespace FileSys {
@ -22,8 +23,7 @@ ResultVal<std::unique_ptr<StorageBackend>> Disk_FileSystem::OpenFile(const std::
auto file = std::make_shared<FileUtil::IOFile>(full_path, mode == Mode::Read ? "rb" : "wb");
if (!file->IsOpen()) {
// TODO(Subv): Find out the correct error code.
return ResultCode(-1);
return ERROR_PATH_NOT_FOUND;
}
return MakeResult<std::unique_ptr<StorageBackend>>(
@ -100,8 +100,7 @@ u64 Disk_FileSystem::GetFreeSpaceSize() const {
ResultVal<FileSys::EntryType> Disk_FileSystem::GetEntryType(const std::string& path) const {
std::string full_path = base_directory + path;
if (!FileUtil::Exists(full_path)) {
// TODO(Subv): Find out what this actually means
return ResultCode(ErrorModule::FS, 1);
return ERROR_PATH_NOT_FOUND;
}
// TODO(Subv): Find out the EntryType values

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@ -10,36 +10,17 @@ namespace FileSys {
namespace ErrCodes {
enum {
RomFSNotFound = 100,
ArchiveNotMounted = 101,
FileNotFound = 112,
PathNotFound = 113,
GameCardNotInserted = 141,
NotFound = 120,
FileAlreadyExists = 180,
DirectoryAlreadyExists = 185,
AlreadyExists = 190,
InvalidOpenFlags = 230,
DirectoryNotEmpty = 240,
NotAFile = 250,
NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
ExeFSSectionNotFound = 567,
CommandNotAllowed = 630,
InvalidReadFlag = 700,
InvalidPath = 702,
WriteBeyondEnd = 705,
UnsupportedOpenFlags = 760,
IncorrectExeFSReadSize = 761,
UnexpectedFileOrDirectory = 770,
NotFound = 1,
};
}
constexpr ResultCode ERROR_PATH_NOT_FOUND(ErrorModule::FS, ErrCodes::NotFound);
// TODO(bunnei): Replace these with correct errors for Switch OS
constexpr ResultCode ERROR_INVALID_PATH(ResultCode(-1));
constexpr ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ResultCode(-1));
constexpr ResultCode ERROR_INVALID_OPEN_FLAGS(ResultCode(-1));
constexpr ResultCode ERROR_FILE_NOT_FOUND(ResultCode(-1));
constexpr ResultCode ERROR_PATH_NOT_FOUND(ResultCode(-1));
constexpr ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ResultCode(-1));
constexpr ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ResultCode(-1));
constexpr ResultCode ERROR_FILE_ALREADY_EXISTS(ResultCode(-1));

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@ -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);

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@ -245,6 +245,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
static const FunctionInfo functions[] = {
{1, &FSP_SRV::Initalize, "Initalize"},
{18, &FSP_SRV::MountSdCard, "MountSdCard"},
{22, &FSP_SRV::CreateSaveData, "CreateSaveData"},
{51, &FSP_SRV::MountSaveData, "MountSaveData"},
{200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
{202, nullptr, "OpenDataStorageByDataId"},
@ -279,6 +280,19 @@ void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
rb.Push(RESULT_SUCCESS);
}
void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto save_struct = rp.PopRaw<std::array<u8, 0x40>>();
auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
u128 uid = rp.PopRaw<u128>();
LOG_WARNING(Service_FS, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_FS, "(STUBBED) called");

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@ -24,6 +24,7 @@ private:
void Initalize(Kernel::HLERequestContext& ctx);
void MountSdCard(Kernel::HLERequestContext& ctx);
void CreateSaveData(Kernel::HLERequestContext& ctx);
void MountSaveData(Kernel::HLERequestContext& ctx);
void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);