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fsp: Move ISaveDataInfoReader to a seperate file

This commit is contained in:
FearlessTobi 2024-02-18 23:02:37 +01:00
parent c9ef2e26ca
commit 380475af32
4 changed files with 214 additions and 165 deletions
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2
src/core/CMakeLists.txt
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@ -585,6 +585,8 @@ add_library(core STATIC
hle/service/filesystem/fsp/fs_i_file.h
hle/service/filesystem/fsp/fs_i_filesystem.cpp
hle/service/filesystem/fsp/fs_i_filesystem.h
hle/service/filesystem/fsp/fs_i_save_data_info_reader.cpp
hle/service/filesystem/fsp/fs_i_save_data_info_reader.h
hle/service/filesystem/fsp/fs_i_storage.cpp
hle/service/filesystem/fsp/fs_i_storage.h
hle/service/filesystem/fsp/fsp_ldr.cpp

162
src/core/hle/service/filesystem/fsp/fs_i_save_data_info_reader.cpp Normal file
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@ -0,0 +1,162 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/hex_util.h"
#include "core/file_sys/savedata_factory.h"
#include "core/hle/service/filesystem/fsp/fs_i_save_data_info_reader.h"
#include "core/hle/service/filesystem/save_data_controller.h"
#include "core/hle/service/ipc_helpers.h"
namespace Service::FileSystem {
ISaveDataInfoReader::ISaveDataInfoReader(Core::System& system_,
std::shared_ptr<SaveDataController> save_data_controller_,
FileSys::SaveDataSpaceId space)
: ServiceFramework{system_, "ISaveDataInfoReader"},
save_data_controller{save_data_controller_} {
static const FunctionInfo functions[] = {
{0, &ISaveDataInfoReader::ReadSaveDataInfo, "ReadSaveDataInfo"},
};
RegisterHandlers(functions);
FindAllSaves(space);
}
ISaveDataInfoReader::~ISaveDataInfoReader() = default;
static u64 stoull_be(std::string_view str) {
if (str.size() != 16) {
return 0;
}
const auto bytes = Common::HexStringToArray<0x8>(str);
u64 out{};
std::memcpy(&out, bytes.data(), sizeof(u64));
return Common::swap64(out);
}
void ISaveDataInfoReader::ReadSaveDataInfo(HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
// Calculate how many entries we can fit in the output buffer
const u64 count_entries = ctx.GetWriteBufferNumElements<SaveDataInfo>();
// Cap at total number of entries.
const u64 actual_entries = std::min(count_entries, info.size() - next_entry_index);
// Determine data start and end
const auto* begin = reinterpret_cast<u8*>(info.data() + next_entry_index);
const auto* end = reinterpret_cast<u8*>(info.data() + next_entry_index + actual_entries);
const auto range_size = static_cast<std::size_t>(std::distance(begin, end));
next_entry_index += actual_entries;
// Write the data to memory
ctx.WriteBuffer(begin, range_size);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(actual_entries);
}
void ISaveDataInfoReader::FindAllSaves(FileSys::SaveDataSpaceId space) {
FileSys::VirtualDir save_root{};
const auto result = save_data_controller->OpenSaveDataSpace(&save_root, space);
if (result != ResultSuccess || save_root == nullptr) {
LOG_ERROR(Service_FS, "The save root for the space_id={:02X} was invalid!", space);
return;
}
for (const auto& type : save_root->GetSubdirectories()) {
if (type->GetName() == "save") {
FindNormalSaves(space, type);
} else if (space == FileSys::SaveDataSpaceId::TemporaryStorage) {
FindTemporaryStorageSaves(space, type);
}
}
}
void ISaveDataInfoReader::FindNormalSaves(FileSys::SaveDataSpaceId space,
const FileSys::VirtualDir& type) {
for (const auto& save_id : type->GetSubdirectories()) {
for (const auto& user_id : save_id->GetSubdirectories()) {
// Skip non user id subdirectories
if (user_id->GetName().size() != 0x20) {
continue;
}
const auto save_id_numeric = stoull_be(save_id->GetName());
auto user_id_numeric = Common::HexStringToArray<0x10>(user_id->GetName());
std::reverse(user_id_numeric.begin(), user_id_numeric.end());
if (save_id_numeric != 0) {
// System Save Data
info.emplace_back(SaveDataInfo{
0,
space,
FileSys::SaveDataType::SystemSaveData,
{},
user_id_numeric,
save_id_numeric,
0,
user_id->GetSize(),
{},
{},
});
continue;
}
for (const auto& title_id : user_id->GetSubdirectories()) {
const auto device = std::all_of(user_id_numeric.begin(), user_id_numeric.end(),
[](u8 val) { return val == 0; });
info.emplace_back(SaveDataInfo{
0,
space,
device ? FileSys::SaveDataType::DeviceSaveData
: FileSys::SaveDataType::SaveData,
{},
user_id_numeric,
save_id_numeric,
stoull_be(title_id->GetName()),
title_id->GetSize(),
{},
{},
});
}
}
}
}
void ISaveDataInfoReader::FindTemporaryStorageSaves(FileSys::SaveDataSpaceId space,
const FileSys::VirtualDir& type) {
for (const auto& user_id : type->GetSubdirectories()) {
// Skip non user id subdirectories
if (user_id->GetName().size() != 0x20) {
continue;
}
for (const auto& title_id : user_id->GetSubdirectories()) {
if (!title_id->GetFiles().empty() || !title_id->GetSubdirectories().empty()) {
auto user_id_numeric = Common::HexStringToArray<0x10>(user_id->GetName());
std::reverse(user_id_numeric.begin(), user_id_numeric.end());
info.emplace_back(SaveDataInfo{
0,
space,
FileSys::SaveDataType::TemporaryStorage,
{},
user_id_numeric,
stoull_be(type->GetName()),
stoull_be(title_id->GetName()),
title_id->GetSize(),
{},
{},
});
}
}
}
}
} // namespace Service::FileSystem

48
src/core/hle/service/filesystem/fsp/fs_i_save_data_info_reader.h Normal file
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@ -0,0 +1,48 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/service.h"
namespace Service::FileSystem {
class SaveDataController;
class ISaveDataInfoReader final : public ServiceFramework<ISaveDataInfoReader> {
public:
explicit ISaveDataInfoReader(Core::System& system_,
std::shared_ptr<SaveDataController> save_data_controller_,
FileSys::SaveDataSpaceId space);
~ISaveDataInfoReader() override;
void ReadSaveDataInfo(HLERequestContext& ctx);
private:
void FindAllSaves(FileSys::SaveDataSpaceId space);
void FindNormalSaves(FileSys::SaveDataSpaceId space, const FileSys::VirtualDir& type);
void FindTemporaryStorageSaves(FileSys::SaveDataSpaceId space, const FileSys::VirtualDir& type);
struct SaveDataInfo {
u64_le save_id_unknown;
FileSys::SaveDataSpaceId space;
FileSys::SaveDataType type;
INSERT_PADDING_BYTES_NOINIT(0x6);
std::array<u8, 0x10> user_id;
u64_le save_id;
u64_le title_id;
u64_le save_image_size;
u16_le index;
FileSys::SaveDataRank rank;
INSERT_PADDING_BYTES_NOINIT(0x25);
};
static_assert(sizeof(SaveDataInfo) == 0x60, "SaveDataInfo has incorrect size.");
std::shared_ptr<SaveDataController> save_data_controller;
std::vector<SaveDataInfo> info;
u64 next_entry_index = 0;
};
} // namespace Service::FileSystem

167
src/core/hle/service/filesystem/fsp/fsp_srv.cpp
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@ -29,6 +29,7 @@
#include "core/hle/result.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp/fs_i_filesystem.h"
#include "core/hle/service/filesystem/fsp/fs_i_save_data_info_reader.h"
#include "core/hle/service/filesystem/fsp/fs_i_storage.h"
#include "core/hle/service/filesystem/fsp/fsp_srv.h"
#include "core/hle/service/filesystem/romfs_controller.h"
@ -39,6 +40,7 @@
#include "core/reporter.h"
namespace Service::FileSystem {
enum class FileSystemProxyType : u8 {
Code = 0,
Rom = 1,
@ -51,171 +53,6 @@ enum class FileSystemProxyType : u8 {
RegisteredUpdate = 8,
};
class ISaveDataInfoReader final : public ServiceFramework<ISaveDataInfoReader> {
public:
explicit ISaveDataInfoReader(Core::System& system_,
std::shared_ptr<SaveDataController> save_data_controller_,
FileSys::SaveDataSpaceId space)
: ServiceFramework{system_, "ISaveDataInfoReader"}, save_data_controller{
save_data_controller_} {
static const FunctionInfo functions[] = {
{0, &ISaveDataInfoReader::ReadSaveDataInfo, "ReadSaveDataInfo"},
};
RegisterHandlers(functions);
FindAllSaves(space);
}
void ReadSaveDataInfo(HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
// Calculate how many entries we can fit in the output buffer
const u64 count_entries = ctx.GetWriteBufferNumElements<SaveDataInfo>();
// Cap at total number of entries.
const u64 actual_entries = std::min(count_entries, info.size() - next_entry_index);
// Determine data start and end
const auto* begin = reinterpret_cast<u8*>(info.data() + next_entry_index);
const auto* end = reinterpret_cast<u8*>(info.data() + next_entry_index + actual_entries);
const auto range_size = static_cast<std::size_t>(std::distance(begin, end));
next_entry_index += actual_entries;
// Write the data to memory
ctx.WriteBuffer(begin, range_size);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(actual_entries);
}
private:
static u64 stoull_be(std::string_view str) {
if (str.size() != 16)
return 0;
const auto bytes = Common::HexStringToArray<0x8>(str);
u64 out{};
std::memcpy(&out, bytes.data(), sizeof(u64));
return Common::swap64(out);
}
void FindAllSaves(FileSys::SaveDataSpaceId space) {
FileSys::VirtualDir save_root{};
const auto result = save_data_controller->OpenSaveDataSpace(&save_root, space);
if (result != ResultSuccess || save_root == nullptr) {
LOG_ERROR(Service_FS, "The save root for the space_id={:02X} was invalid!", space);
return;
}
for (const auto& type : save_root->GetSubdirectories()) {
if (type->GetName() == "save") {
for (const auto& save_id : type->GetSubdirectories()) {
for (const auto& user_id : save_id->GetSubdirectories()) {
// Skip non user id subdirectories
if (user_id->GetName().size() != 0x20) {
continue;
}
const auto save_id_numeric = stoull_be(save_id->GetName());
auto user_id_numeric = Common::HexStringToArray<0x10>(user_id->GetName());
std::reverse(user_id_numeric.begin(), user_id_numeric.end());
if (save_id_numeric != 0) {
// System Save Data
info.emplace_back(SaveDataInfo{
0,
space,
FileSys::SaveDataType::SystemSaveData,
{},
user_id_numeric,
save_id_numeric,
0,
user_id->GetSize(),
{},
{},
});
continue;
}
for (const auto& title_id : user_id->GetSubdirectories()) {
const auto device =
std::all_of(user_id_numeric.begin(), user_id_numeric.end(),
[](u8 val) { return val == 0; });
info.emplace_back(SaveDataInfo{
0,
space,
device ? FileSys::SaveDataType::DeviceSaveData
: FileSys::SaveDataType::SaveData,
{},
user_id_numeric,
save_id_numeric,
stoull_be(title_id->GetName()),
title_id->GetSize(),
{},
{},
});
}
}
}
} else if (space == FileSys::SaveDataSpaceId::TemporaryStorage) {
// Temporary Storage
for (const auto& user_id : type->GetSubdirectories()) {
// Skip non user id subdirectories
if (user_id->GetName().size() != 0x20) {
continue;
}
for (const auto& title_id : user_id->GetSubdirectories()) {
if (!title_id->GetFiles().empty() ||
!title_id->GetSubdirectories().empty()) {
auto user_id_numeric =
Common::HexStringToArray<0x10>(user_id->GetName());
std::reverse(user_id_numeric.begin(), user_id_numeric.end());
info.emplace_back(SaveDataInfo{
0,
space,
FileSys::SaveDataType::TemporaryStorage,
{},
user_id_numeric,
stoull_be(type->GetName()),
stoull_be(title_id->GetName()),
title_id->GetSize(),
{},
{},
});
}
}
}
}
}
}
struct SaveDataInfo {
u64_le save_id_unknown;
FileSys::SaveDataSpaceId space;
FileSys::SaveDataType type;
INSERT_PADDING_BYTES(0x6);
std::array<u8, 0x10> user_id;
u64_le save_id;
u64_le title_id;
u64_le save_image_size;
u16_le index;
FileSys::SaveDataRank rank;
INSERT_PADDING_BYTES(0x25);
};
static_assert(sizeof(SaveDataInfo) == 0x60, "SaveDataInfo has incorrect size.");
ProcessId process_id = 0;
std::shared_ptr<SaveDataController> save_data_controller;
std::vector<SaveDataInfo> info;
u64 next_entry_index = 0;
};
FSP_SRV::FSP_SRV(Core::System& system_)
: ServiceFramework{system_, "fsp-srv"}, fsc{system.GetFileSystemController()},
content_provider{system.GetContentProvider()}, reporter{system.GetReporter()} {