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Merge pull request #540 from yuriks/multi-archives

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FS: Allow multiple instances of the same archive type to be open at once
This commit is contained in:
bunnei 2015-02-10 18:27:16 -05:00
commit 27e6e6b3cb
21 changed files with 304 additions and 277 deletions
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39
src/core/file_sys/archive_backend.h
View file

@ -180,20 +180,6 @@ public:
virtual ~ArchiveBackend() {
}
/**
* Tries to open the archive of this type with the specified path
* @param path Path to the archive
* @return ResultCode of the operation
*/
virtual ResultCode Open(const Path& path) = 0;
/**
* Deletes the archive contents and then re-creates the base folder
* @param path Path to the archive
* @return ResultCode of the operation, 0 on success
*/
virtual ResultCode Format(const Path& path) const = 0;
/**
* Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
*/
@ -260,4 +246,29 @@ public:
virtual std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const = 0;
};
class ArchiveFactory : NonCopyable {
public:
virtual ~ArchiveFactory() {
}
/**
* Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
*/
virtual std::string GetName() const = 0;
/**
* Tries to open the archive of this type with the specified path
* @param path Path to the archive
* @return An ArchiveBackend corresponding operating specified archive path.
*/
virtual ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) = 0;
/**
* Deletes the archive contents and then re-creates the base folder
* @param path Path to the archive
* @return ResultCode of the operation, 0 on success
*/
virtual ResultCode Format(const Path& path) = 0;
};
} // namespace FileSys

15
src/core/file_sys/archive_extsavedata.cpp
View file

@ -6,6 +6,7 @@
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_extsavedata.h"
#include "core/file_sys/disk_archive.h"
@ -33,12 +34,12 @@ std::string GetExtDataContainerPath(const std::string& mount_point, bool shared)
SYSTEM_ID.c_str(), SDCARD_ID.c_str());
}
Archive_ExtSaveData::Archive_ExtSaveData(const std::string& mount_location, bool shared)
: DiskArchive(GetExtDataContainerPath(mount_location, shared)) {
ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location, bool shared)
: mount_point(GetExtDataContainerPath(mount_location, shared)) {
LOG_INFO(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
}
bool Archive_ExtSaveData::Initialize() {
bool ArchiveFactory_ExtSaveData::Initialize() {
if (!FileUtil::CreateFullPath(mount_point)) {
LOG_ERROR(Service_FS, "Unable to create ExtSaveData base path.");
return false;
@ -47,18 +48,18 @@ bool Archive_ExtSaveData::Initialize() {
return true;
}
ResultCode Archive_ExtSaveData::Open(const Path& path) {
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(const Path& path) {
std::string fullpath = GetExtSaveDataPath(mount_point, path);
if (!FileUtil::Exists(fullpath)) {
// TODO(Subv): Check error code, this one is probably wrong
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
}
concrete_mount_point = fullpath;
return RESULT_SUCCESS;
auto archive = Common::make_unique<DiskArchive>(fullpath);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode Archive_ExtSaveData::Format(const Path& path) const {
ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path) {
std::string fullpath = GetExtSaveDataPath(mount_point, path);
FileUtil::CreateFullPath(fullpath);
return RESULT_SUCCESS;

21
src/core/file_sys/archive_extsavedata.h
View file

@ -15,9 +15,9 @@
namespace FileSys {
/// File system interface to the ExtSaveData archive
class Archive_ExtSaveData final : public DiskArchive {
class ArchiveFactory_ExtSaveData final : public ArchiveFactory {
public:
Archive_ExtSaveData(const std::string& mount_point, bool shared);
ArchiveFactory_ExtSaveData(const std::string& mount_point, bool shared);
/**
* Initialize the archive.
@ -25,21 +25,20 @@ public:
*/
bool Initialize();
ResultCode Open(const Path& path) override;
ResultCode Format(const Path& path) const override;
std::string GetName() const override { return "ExtSaveData"; }
const std::string& GetMountPoint() const override {
return concrete_mount_point;
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
protected:
const std::string& GetMountPoint() const { return mount_point; }
private:
/**
* This holds the full directory path for this archive, it is only set after a successful call to Open,
* this is formed as <base extsavedatapath>/<type>/<high>/<low>.
* This holds the full directory path for this archive, it is only set after a successful call
* to Open, this is formed as <base extsavedatapath>/<type>/<high>/<low>.
* See GetExtSaveDataPath for the code that extracts this data from an archive path.
*/
std::string concrete_mount_point;
std::string mount_point;
};
/**

17
src/core/file_sys/archive_romfs.cpp
View file

@ -15,11 +15,24 @@
namespace FileSys {
Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
ArchiveFactory_RomFS::ArchiveFactory_RomFS(const Loader::AppLoader& app_loader)
: romfs_data(std::make_shared<std::vector<u8>>()) {
// Load the RomFS from the app
if (Loader::ResultStatus::Success != app_loader.ReadRomFS(raw_data)) {
if (Loader::ResultStatus::Success != app_loader.ReadRomFS(*romfs_data)) {
LOG_ERROR(Service_FS, "Unable to read RomFS!");
}
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_RomFS::Open(const Path& path) {
auto archive = Common::make_unique<IVFCArchive>(romfs_data);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_RomFS::Format(const Path& path) {
LOG_ERROR(Service_FS, "Attempted to format a RomFS archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
} // namespace FileSys

11
src/core/file_sys/archive_romfs.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <memory>
#include <vector>
#include "common/common_types.h"
@ -17,12 +18,16 @@
namespace FileSys {
/// File system interface to the RomFS archive
class Archive_RomFS final : public IVFCArchive {
class ArchiveFactory_RomFS final : public ArchiveFactory {
public:
Archive_RomFS(const Loader::AppLoader& app_loader);
ArchiveFactory_RomFS(const Loader::AppLoader& app_loader);
std::string GetName() const override { return "RomFS"; }
ResultCode Open(const Path& path) override { return RESULT_SUCCESS; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
private:
std::shared_ptr<std::vector<u8>> romfs_data;
};
} // namespace FileSys

23
src/core/file_sys/archive_savedata.cpp
View file

@ -6,6 +6,7 @@
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_savedata.h"
#include "core/file_sys/disk_archive.h"
@ -28,26 +29,28 @@ static std::string GetSaveDataPath(const std::string& mount_location, u64 progra
return Common::StringFromFormat("%s%08x/%08x/data/00000001/", mount_location.c_str(), high, low);
}
Archive_SaveData::Archive_SaveData(const std::string& sdmc_directory)
: DiskArchive(GetSaveDataContainerPath(sdmc_directory)) {
ArchiveFactory_SaveData::ArchiveFactory_SaveData(const std::string& sdmc_directory)
: mount_point(GetSaveDataContainerPath(sdmc_directory)) {
LOG_INFO(Service_FS, "Directory %s set as SaveData.", this->mount_point.c_str());
}
ResultCode Archive_SaveData::Open(const Path& path) {
if (concrete_mount_point.empty())
concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
if (!FileUtil::Exists(concrete_mount_point)) {
// When a SaveData archive is created for the first time, it is not yet formatted
// and the save file/directory structure expected by the game has not yet been initialized.
// Returning the NotFormatted error code will signal the game to provision the SaveData archive
// with the files and folders that it expects.
// and the save file/directory structure expected by the game has not yet been initialized.
// Returning the NotFormatted error code will signal the game to provision the SaveData archive
// with the files and folders that it expects.
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
}
return RESULT_SUCCESS;
auto archive = Common::make_unique<DiskArchive>(std::move(concrete_mount_point));
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode Archive_SaveData::Format(const Path& path) const {
ResultCode ArchiveFactory_SaveData::Format(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
return RESULT_SUCCESS;

17
src/core/file_sys/archive_savedata.h
View file

@ -15,22 +15,17 @@
namespace FileSys {
/// File system interface to the SaveData archive
class Archive_SaveData final : public DiskArchive {
class ArchiveFactory_SaveData final : public ArchiveFactory {
public:
Archive_SaveData(const std::string& mount_point);
ArchiveFactory_SaveData(const std::string& mount_point);
std::string GetName() const override { return "SaveData"; }
ResultCode Open(const Path& path) override;
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
ResultCode Format(const Path& path) const override;
const std::string& GetMountPoint() const override {
return concrete_mount_point;
}
protected:
std::string concrete_mount_point;
private:
std::string mount_point;
};
} // namespace FileSys

28
src/core/file_sys/archive_savedatacheck.cpp
View file

@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/file_util.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_savedatacheck.h"
#include "core/hle/service/fs/archive.h"
@ -21,32 +22,33 @@ static std::string GetSaveDataCheckPath(const std::string& mount_point, u32 high
mount_point.c_str(), high, low);
}
Archive_SaveDataCheck::Archive_SaveDataCheck(const std::string& nand_directory) :
ArchiveFactory_SaveDataCheck::ArchiveFactory_SaveDataCheck(const std::string& nand_directory) :
mount_point(GetSaveDataCheckContainerPath(nand_directory)) {
}
ResultCode Archive_SaveDataCheck::Open(const Path& path) {
// TODO(Subv): We should not be overwriting raw_data everytime this function is called,
// but until we use factory classes to create the archives at runtime instead of creating them beforehand
// and allow multiple archives of the same type to be open at the same time without clobbering each other,
// we won't be able to maintain the state of each archive, hence we overwrite it every time it's needed.
// There are a number of problems with this, for example opening a file in this archive, then opening
// this archive again with a different path, will corrupt the previously open file.
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveDataCheck::Open(const Path& path) {
auto vec = path.AsBinary();
const u32* data = reinterpret_cast<u32*>(vec.data());
std::string file_path = GetSaveDataCheckPath(mount_point, data[1], data[0]);
FileUtil::IOFile file(file_path, "rb");
std::fill(raw_data.begin(), raw_data.end(), 0);
if (!file.IsOpen()) {
return ResultCode(-1); // TODO(Subv): Find the right error code
}
auto size = file.GetSize();
raw_data.resize(size);
file.ReadBytes(raw_data.data(), size);
auto raw_data = std::make_shared<std::vector<u8>>(size);
file.ReadBytes(raw_data->data(), size);
file.Close();
return RESULT_SUCCESS;
auto archive = Common::make_unique<IVFCArchive>(std::move(raw_data));
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SaveDataCheck::Format(const Path& path) {
LOG_ERROR(Service_FS, "Attempted to format a SaveDataCheck archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
} // namespace FileSys

8
src/core/file_sys/archive_savedatacheck.h
View file

@ -17,12 +17,14 @@
namespace FileSys {
/// File system interface to the SaveDataCheck archive
class Archive_SaveDataCheck final : public IVFCArchive {
class ArchiveFactory_SaveDataCheck final : public ArchiveFactory {
public:
Archive_SaveDataCheck(const std::string& mount_point);
ArchiveFactory_SaveDataCheck(const std::string& mount_point);
std::string GetName() const override { return "SaveDataCheck"; }
ResultCode Open(const Path& path) override;
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
private:
std::string mount_point;

17
src/core/file_sys/archive_sdmc.cpp
View file

@ -6,6 +6,7 @@
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/disk_archive.h"
@ -16,17 +17,17 @@
namespace FileSys {
Archive_SDMC::Archive_SDMC(const std::string& sdmc_directory) : DiskArchive(sdmc_directory) {
ArchiveFactory_SDMC::ArchiveFactory_SDMC(const std::string& sdmc_directory) : sdmc_directory(sdmc_directory) {
LOG_INFO(Service_FS, "Directory %s set as SDMC.", sdmc_directory.c_str());
}
bool Archive_SDMC::Initialize() {
bool ArchiveFactory_SDMC::Initialize() {
if (!Settings::values.use_virtual_sd) {
LOG_WARNING(Service_FS, "SDMC disabled by config.");
return false;
}
if (!FileUtil::CreateFullPath(mount_point)) {
if (!FileUtil::CreateFullPath(sdmc_directory)) {
LOG_ERROR(Service_FS, "Unable to create SDMC path.");
return false;
}
@ -34,4 +35,14 @@ bool Archive_SDMC::Initialize() {
return true;
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMC::Open(const Path& path) {
auto archive = Common::make_unique<DiskArchive>(sdmc_directory);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SDMC::Format(const Path& path) {
// This is kind of an undesirable operation, so let's just ignore it. :)
return RESULT_SUCCESS;
}
} // namespace FileSys

10
src/core/file_sys/archive_sdmc.h
View file

@ -15,9 +15,9 @@
namespace FileSys {
/// File system interface to the SDMC archive
class Archive_SDMC final : public DiskArchive {
class ArchiveFactory_SDMC final : public ArchiveFactory {
public:
Archive_SDMC(const std::string& mount_point);
ArchiveFactory_SDMC(const std::string& mount_point);
/**
* Initialize the archive.
@ -26,6 +26,12 @@ public:
bool Initialize();
std::string GetName() const override { return "SDMC"; }
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path) override;
private:
std::string sdmc_directory;
};
} // namespace FileSys

26
src/core/file_sys/disk_archive.cpp
View file

@ -18,26 +18,26 @@ namespace FileSys {
std::unique_ptr<FileBackend> DiskArchive::OpenFile(const Path& path, const Mode mode) const {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
auto file = Common::make_unique<DiskFile>(this, path, mode);
auto file = Common::make_unique<DiskFile>(*this, path, mode);
if (!file->Open())
return nullptr;
return std::move(file);
}
bool DiskArchive::DeleteFile(const Path& path) const {
return FileUtil::Delete(GetMountPoint() + path.AsString());
return FileUtil::Delete(mount_point + path.AsString());
}
bool DiskArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
return FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString());
}
bool DiskArchive::DeleteDirectory(const Path& path) const {
return FileUtil::DeleteDir(GetMountPoint() + path.AsString());
return FileUtil::DeleteDir(mount_point + path.AsString());
}
ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u32 size) const {
std::string full_path = GetMountPoint() + path.AsString();
std::string full_path = mount_point + path.AsString();
if (FileUtil::Exists(full_path))
return ResultCode(ErrorDescription::AlreadyExists, ErrorModule::FS, ErrorSummary::NothingHappened, ErrorLevel::Info);
@ -58,16 +58,16 @@ ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u32 size) const {
bool DiskArchive::CreateDirectory(const Path& path) const {
return FileUtil::CreateDir(GetMountPoint() + path.AsString());
return FileUtil::CreateDir(mount_point + path.AsString());
}
bool DiskArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
return FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString());
}
std::unique_ptr<DirectoryBackend> DiskArchive::OpenDirectory(const Path& path) const {
LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str());
auto directory = Common::make_unique<DiskDirectory>(this, path);
auto directory = Common::make_unique<DiskDirectory>(*this, path);
if (!directory->Open())
return nullptr;
return std::move(directory);
@ -75,13 +75,12 @@ std::unique_ptr<DirectoryBackend> DiskArchive::OpenDirectory(const Path& path) c
////////////////////////////////////////////////////////////////////////////////////////////////////
DiskFile::DiskFile(const DiskArchive* archive, const Path& path, const Mode mode) {
DiskFile::DiskFile(const DiskArchive& archive, const Path& path, const Mode mode) {
// TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass
// the root directory we set while opening the archive.
// For example, opening /../../etc/passwd can give the emulated program your users list.
this->path = archive->GetMountPoint() + path.AsString();
this->path = archive.mount_point + path.AsString();
this->mode.hex = mode.hex;
this->archive = archive;
}
bool DiskFile::Open() {
@ -134,12 +133,11 @@ bool DiskFile::Close() const {
////////////////////////////////////////////////////////////////////////////////////////////////////
DiskDirectory::DiskDirectory(const DiskArchive* archive, const Path& path) {
DiskDirectory::DiskDirectory(const DiskArchive& archive, const Path& path) {
// TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass
// the root directory we set while opening the archive.
// For example, opening /../../usr/bin can give the emulated program your installed programs.
this->path = archive->GetMountPoint() + path.AsString();
this->archive = archive;
this->path = archive.mount_point + path.AsString();
}
bool DiskDirectory::Open() {

25
src/core/file_sys/disk_archive.h
View file

@ -24,8 +24,8 @@ class DiskArchive : public ArchiveBackend {
public:
DiskArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
virtual std::string GetName() const = 0;
virtual ResultCode Format(const Path& path) const { return RESULT_SUCCESS; }
virtual std::string GetName() const { return "DiskArchive: " + mount_point; }
std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
bool DeleteFile(const Path& path) const override;
bool RenameFile(const Path& src_path, const Path& dest_path) const override;
@ -35,26 +35,17 @@ public:
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
virtual ResultCode Open(const Path& path) override {
return RESULT_SUCCESS;
}
/**
* Getter for the path used for this Archive
* @return Mount point of that passthrough archive
*/
virtual const std::string& GetMountPoint() const {
return mount_point;
}
protected:
friend class DiskFile;
friend class DiskDirectory;
std::string mount_point;
};
class DiskFile : public FileBackend {
public:
DiskFile();
DiskFile(const DiskArchive* archive, const Path& path, const Mode mode);
DiskFile(const DiskArchive& archive, const Path& path, const Mode mode);
bool Open() override;
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
@ -68,7 +59,6 @@ public:
}
protected:
const DiskArchive* archive;
std::string path;
Mode mode;
std::unique_ptr<FileUtil::IOFile> file;
@ -77,7 +67,7 @@ protected:
class DiskDirectory : public DirectoryBackend {
public:
DiskDirectory();
DiskDirectory(const DiskArchive* archive, const Path& path);
DiskDirectory(const DiskArchive& archive, const Path& path);
~DiskDirectory() override {
Close();
@ -91,7 +81,6 @@ public:
}
protected:
const DiskArchive* archive;
std::string path;
u32 total_entries_in_directory;
FileUtil::FSTEntry directory;

22
src/core/file_sys/ivfc_archive.cpp
View file

@ -15,11 +15,15 @@
namespace FileSys {
IVFCArchive::IVFCArchive() {
IVFCArchive::IVFCArchive(std::shared_ptr<const std::vector<u8>> data) : data(data) {
}
std::string IVFCArchive::GetName() const {
return "IVFC";
}
std::unique_ptr<FileBackend> IVFCArchive::OpenFile(const Path& path, const Mode mode) const {
return Common::make_unique<IVFCFile>(this);
return Common::make_unique<IVFCFile>(data);
}
bool IVFCArchive::DeleteFile(const Path& path) const {
@ -57,31 +61,25 @@ std::unique_ptr<DirectoryBackend> IVFCArchive::OpenDirectory(const Path& path) c
return Common::make_unique<IVFCDirectory>();
}
ResultCode IVFCArchive::Format(const Path& path) const {
LOG_CRITICAL(Service_FS, "Attempted to format an IVFC archive (%s).", GetName().c_str());
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
size_t IVFCFile::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, &archive->raw_data[(u32)offset], length);
memcpy(buffer, data->data() + offset, length);
return length;
}
size_t IVFCFile::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
LOG_CRITICAL(Service_FS, "Attempted to write to IVFC file in archive %s.", archive->GetName().c_str());
LOG_ERROR(Service_FS, "Attempted to write to IVFC file");
return 0;
}
size_t IVFCFile::GetSize() const {
return sizeof(u8) * archive->raw_data.size();
return sizeof(u8) * data->size();
}
bool IVFCFile::SetSize(const u64 size) const {
LOG_CRITICAL(Service_FS, "Attempted to set the size of an IVFC file in archive %s", archive->GetName().c_str());
LOG_ERROR(Service_FS, "Attempted to set the size of an IVFC file");
return false;
}

13
src/core/file_sys/ivfc_archive.h
View file

@ -4,6 +4,7 @@
#pragma once
#include <memory>
#include <vector>
#include "common/common_types.h"
@ -23,7 +24,9 @@ namespace FileSys {
*/
class IVFCArchive : public ArchiveBackend {
public:
IVFCArchive();
IVFCArchive(std::shared_ptr<const std::vector<u8>> data);
std::string GetName() const override;
std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
bool DeleteFile(const Path& path) const override;
@ -33,16 +36,14 @@ public:
bool CreateDirectory(const Path& path) const override;
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
ResultCode Format(const Path& path) const override;
protected:
friend class IVFCFile;
std::vector<u8> raw_data;
std::shared_ptr<const std::vector<u8>> data;
};
class IVFCFile : public FileBackend {
public:
IVFCFile(const IVFCArchive* archive) : archive(archive) {}
IVFCFile(std::shared_ptr<const std::vector<u8>> data) : data(data) {}
bool Open() override { return true; }
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
@ -53,7 +54,7 @@ public:
void Flush() const override { }
private:
const IVFCArchive* archive;
std::shared_ptr<const std::vector<u8>> data;
};
class IVFCDirectory : public DirectoryBackend {

6
src/core/hle/result.h
View file

@ -307,14 +307,14 @@ public:
}
ResultVal& operator=(const ResultVal& o) {
if (*this) {
if (o) {
if (!empty()) {
if (!o.empty()) {
*GetPointer() = *o.GetPointer();
} else {
GetPointer()->~T();
}
} else {
if (o) {
if (!o.empty()) {
new (&storage) T(*o.GetPointer());
}
}

191
src/core/hle/service/fs/archive.cpp
View file

@ -5,6 +5,8 @@
#include <memory>
#include <unordered_map>
#include <boost/container/flat_map.hpp>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/make_unique.h"
@ -18,7 +20,6 @@
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/directory_backend.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
@ -74,43 +75,19 @@ enum class DirectoryCommand : u32 {
Close = 0x08020000,
};
class Archive {
public:
Archive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code)
: id_code(id_code), backend(std::move(backend)) {
}
std::string GetName() const { return "Archive: " + backend->GetName(); }
ArchiveIdCode id_code; ///< Id code of the archive
std::unique_ptr<FileSys::ArchiveBackend> backend; ///< Archive backend interface
};
class File : public Kernel::Session {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: path(path), priority(0), backend(std::move(backend)) {
}
std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
ResultVal<bool> File::SyncRequest() {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from file...
case FileCommand::Read:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s %s: offset=0x%llx length=%d address=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
break;
}
@ -118,12 +95,12 @@ public:
// Write to file...
case FileCommand::Write:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u32 address = cmd_buff[6];
LOG_TRACE(Service_FS, "Write %s %s: offset=0x%llx length=%d address=0x%x, flush=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
break;
}
@ -141,7 +118,7 @@ public:
{
u64 size = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
LOG_TRACE(Service_FS, "SetSize %s %s size=%llu",
GetTypeName().c_str(), GetName().c_str(), size);
GetTypeName().c_str(), GetName().c_str(), size);
backend->SetSize(size);
break;
}
@ -187,27 +164,15 @@ public:
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
class Directory : public Kernel::Session {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
: path(path), backend(std::move(backend)) {
}
std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
ResultVal<bool> Directory::SyncRequest() {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
// Read from directory...
case DirectoryCommand::Read:
@ -216,7 +181,7 @@ public:
u32 address = cmd_buff[3];
auto entries = reinterpret_cast<FileSys::Entry*>(Memory::GetPointer(address));
LOG_TRACE(Service_FS, "Read %s %s: count=%d",
GetTypeName().c_str(), GetName().c_str(), count);
GetTypeName().c_str(), GetName().c_str(), count);
// Number of entries actually read
cmd_buff[2] = backend->Read(count, entries);
@ -236,29 +201,31 @@ public:
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return MakeResult<bool>(false);
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
return MakeResult<bool>(false);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
using FileSys::ArchiveBackend;
using FileSys::ArchiveFactory;
/**
* Map of registered archives, identified by id code. Once an archive is registered here, it is
* never removed until the FS service is shut down.
*/
static std::unordered_map<ArchiveIdCode, std::unique_ptr<Archive>> id_code_map;
static boost::container::flat_map<ArchiveIdCode, std::unique_ptr<ArchiveFactory>> id_code_map;
/**
* Map of active archive handles. Values are pointers to the archives in `idcode_map`.
*/
static std::unordered_map<ArchiveHandle, Archive*> handle_map;
static std::unordered_map<ArchiveHandle, std::unique_ptr<ArchiveBackend>> handle_map;
static ArchiveHandle next_handle;
static Archive* GetArchive(ArchiveHandle handle) {
static ArchiveBackend* GetArchive(ArchiveHandle handle) {
auto itr = handle_map.find(handle);
return (itr == handle_map.end()) ? nullptr : itr->second;
return (itr == handle_map.end()) ? nullptr : itr->second.get();
}
ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archive_path) {
@ -271,15 +238,13 @@ ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archi
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
ResultCode res = itr->second->backend->Open(archive_path);
if (!res.IsSuccess())
return res;
CASCADE_RESULT(std::unique_ptr<ArchiveBackend> res, itr->second->Open(archive_path));
// This should never even happen in the first place with 64-bit handles,
while (handle_map.count(next_handle) != 0) {
++next_handle;
}
handle_map.emplace(next_handle, itr->second.get());
handle_map.emplace(next_handle, std::move(res));
return MakeResult<ArchiveHandle>(next_handle++);
}
@ -292,39 +257,39 @@ ResultCode CloseArchive(ArchiveHandle handle) {
// TODO(yuriks): This might be what the fs:REG service is for. See the Register/Unregister calls in
// http://3dbrew.org/wiki/Filesystem_services#ProgramRegistry_service_.22fs:REG.22
ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code) {
auto result = id_code_map.emplace(id_code, Common::make_unique<Archive>(std::move(backend), id_code));
ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factory, ArchiveIdCode id_code) {
auto result = id_code_map.emplace(id_code, std::move(factory));
bool inserted = result.second;
_dbg_assert_msg_(Service_FS, inserted, "Tried to register more than one archive with same id code");
_assert_msg_(Service_FS, inserted, "Tried to register more than one archive with same id code");
auto& archive = result.first->second;
LOG_DEBUG(Service_FS, "Registered archive %s with id code 0x%08X", archive->GetName().c_str(), id_code);
return RESULT_SUCCESS;
}
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenFileFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path, const FileSys::Mode mode) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
std::unique_ptr<FileSys::FileBackend> backend = archive->backend->OpenFile(path, mode);
std::unique_ptr<FileSys::FileBackend> backend = archive->OpenFile(path, mode);
if (backend == nullptr) {
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Status);
}
auto file = Kernel::SharedPtr<File>(new File(std::move(backend), path));
return MakeResult<Kernel::SharedPtr<Kernel::Session>>(std::move(file));
return MakeResult<Kernel::SharedPtr<File>>(std::move(file));
}
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
if (archive->backend->DeleteFile(path))
if (archive->DeleteFile(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
@ -332,13 +297,13 @@ ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Pa
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
Archive* src_archive = GetArchive(src_archive_handle);
Archive* dest_archive = GetArchive(dest_archive_handle);
ArchiveBackend* src_archive = GetArchive(src_archive_handle);
ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr)
return ERR_INVALID_HANDLE;
if (src_archive == dest_archive) {
if (src_archive->backend->RenameFile(src_path, dest_path))
if (src_archive->RenameFile(src_path, dest_path))
return RESULT_SUCCESS;
} else {
// TODO: Implement renaming across archives
@ -352,30 +317,30 @@ ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const Fil
}
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
if (archive->backend->DeleteDirectory(path))
if (archive->DeleteDirectory(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
}
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path, u32 file_size) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
return archive->backend->CreateFile(path, file_size);
return archive->CreateFile(path, file_size);
}
ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
if (archive->backend->CreateDirectory(path))
if (archive->CreateDirectory(path))
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status);
@ -383,13 +348,13 @@ ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSy
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
Archive* src_archive = GetArchive(src_archive_handle);
Archive* dest_archive = GetArchive(dest_archive_handle);
ArchiveBackend* src_archive = GetArchive(src_archive_handle);
ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr)
return ERR_INVALID_HANDLE;
if (src_archive == dest_archive) {
if (src_archive->backend->RenameDirectory(src_path, dest_path))
if (src_archive->RenameDirectory(src_path, dest_path))
return RESULT_SUCCESS;
} else {
// TODO: Implement renaming across archives
@ -402,31 +367,29 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, cons
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
Archive* archive = GetArchive(archive_handle);
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return ERR_INVALID_HANDLE;
std::unique_ptr<FileSys::DirectoryBackend> backend = archive->backend->OpenDirectory(path);
std::unique_ptr<FileSys::DirectoryBackend> backend = archive->OpenDirectory(path);
if (backend == nullptr) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
auto directory = Kernel::SharedPtr<Directory>(new Directory(std::move(backend), path));
return MakeResult<Kernel::SharedPtr<Kernel::Session>>(std::move(directory));
return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory));
}
ResultCode FormatSaveData() {
// Do not create the archive again if it already exists
auto archive_itr = id_code_map.find(ArchiveIdCode::SaveData);
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path) {
auto archive_itr = id_code_map.find(id_code);
if (archive_itr == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
// Use an empty path, we do not use it when formatting the savedata
return archive_itr->second->backend->Format(FileSys::Path());
return archive_itr->second->Format(path);
}
ResultCode CreateExtSaveData(u32 high, u32 low) {
@ -460,32 +423,32 @@ void ArchiveInit() {
std::string sdmc_directory = FileUtil::GetUserPath(D_SDMC_IDX);
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
auto sdmc_archive = Common::make_unique<FileSys::Archive_SDMC>(sdmc_directory);
if (sdmc_archive->Initialize())
CreateArchive(std::move(sdmc_archive), ArchiveIdCode::SDMC);
auto sdmc_factory = Common::make_unique<FileSys::ArchiveFactory_SDMC>(sdmc_directory);
if (sdmc_factory->Initialize())
RegisterArchiveType(std::move(sdmc_factory), ArchiveIdCode::SDMC);
else
LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s", sdmc_directory.c_str());
// Create the SaveData archive
auto savedata_archive = Common::make_unique<FileSys::Archive_SaveData>(sdmc_directory);
CreateArchive(std::move(savedata_archive), ArchiveIdCode::SaveData);
auto savedata_factory = Common::make_unique<FileSys::ArchiveFactory_SaveData>(sdmc_directory);
RegisterArchiveType(std::move(savedata_factory), ArchiveIdCode::SaveData);
auto extsavedata_archive = Common::make_unique<FileSys::Archive_ExtSaveData>(sdmc_directory, false);
if (extsavedata_archive->Initialize())
CreateArchive(std::move(extsavedata_archive), ArchiveIdCode::ExtSaveData);
auto extsavedata_factory = Common::make_unique<FileSys::ArchiveFactory_ExtSaveData>(sdmc_directory, false);
if (extsavedata_factory->Initialize())
RegisterArchiveType(std::move(extsavedata_factory), ArchiveIdCode::ExtSaveData);
else
LOG_ERROR(Service_FS, "Can't instantiate ExtSaveData archive with path %s", extsavedata_archive->GetMountPoint().c_str());
LOG_ERROR(Service_FS, "Can't instantiate ExtSaveData archive with path %s", extsavedata_factory->GetMountPoint().c_str());
auto sharedextsavedata_archive = Common::make_unique<FileSys::Archive_ExtSaveData>(nand_directory, true);
if (sharedextsavedata_archive->Initialize())
CreateArchive(std::move(sharedextsavedata_archive), ArchiveIdCode::SharedExtSaveData);
auto sharedextsavedata_factory = Common::make_unique<FileSys::ArchiveFactory_ExtSaveData>(nand_directory, true);
if (sharedextsavedata_factory->Initialize())
RegisterArchiveType(std::move(sharedextsavedata_factory), ArchiveIdCode::SharedExtSaveData);
else
LOG_ERROR(Service_FS, "Can't instantiate SharedExtSaveData archive with path %s",
sharedextsavedata_archive->GetMountPoint().c_str());
sharedextsavedata_factory->GetMountPoint().c_str());
// Create the SaveDataCheck archive, basically a small variation of the RomFS archive
auto savedatacheck_archive = Common::make_unique<FileSys::Archive_SaveDataCheck>(nand_directory);
CreateArchive(std::move(savedatacheck_archive), ArchiveIdCode::SaveDataCheck);
auto savedatacheck_factory = Common::make_unique<FileSys::ArchiveFactory_SaveDataCheck>(nand_directory);
RegisterArchiveType(std::move(savedatacheck_factory), ArchiveIdCode::SaveDataCheck);
}
/// Shutdown archives

45
src/core/hle/service/fs/archive.h
View file

@ -8,6 +8,7 @@
#include "core/file_sys/archive_backend.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
/// The unique system identifier hash, also known as ID0
@ -36,6 +37,35 @@ enum class ArchiveIdCode : u32 {
typedef u64 ArchiveHandle;
class File : public Kernel::Session {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: path(path), priority(0), backend(std::move(backend)) {
}
std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override;
};
class Directory : public Kernel::Session {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
: path(path), backend(std::move(backend)) {
}
std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override;
};
/**
* Opens an archive
* @param id_code IdCode of the archive to open
@ -51,11 +81,11 @@ ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archi
ResultCode CloseArchive(ArchiveHandle handle);
/**
* Creates an Archive
* Registers an Archive type, instances of which can later be opened using its IdCode.
* @param backend File system backend interface to the archive
* @param id_code Id code used to access this type of archive
*/
ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code);
ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factory, ArchiveIdCode id_code);
/**
* Open a File from an Archive
@ -64,7 +94,7 @@ ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, Arc
* @param mode Mode under which to open the File
* @return The opened File object as a Session
*/
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenFileFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path, const FileSys::Mode mode);
/**
@ -128,14 +158,17 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, cons
* @param path Path to the Directory inside of the Archive
* @return The opened Directory object as a Session
*/
ResultVal<Kernel::SharedPtr<Kernel::Session>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path);
/**
* Creates a blank SaveData archive.
* Erases the contents of the physical folder that contains the archive
* identified by the specified id code and path
* @param id_code The id of the archive to format
* @param path The path to the archive, if relevant.
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode FormatSaveData();
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::Path& path = FileSys::Path());
/**
* Creates a blank SharedExtSaveData archive for the specified extdata ID

10
src/core/hle/service/fs/fs_user.cpp
View file

@ -61,7 +61,7 @@ static void OpenFile(Service::Interface* self) {
LOG_DEBUG(Service_FS, "path=%s, mode=%d attrs=%u", file_path.DebugStr().c_str(), mode.hex, attributes);
ResultVal<SharedPtr<Session>> file_res = OpenFileFromArchive(archive_handle, file_path, mode);
ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
@ -117,7 +117,7 @@ static void OpenFileDirectly(Service::Interface* self) {
}
SCOPE_EXIT({ CloseArchive(*archive_handle); });
ResultVal<SharedPtr<Session>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode);
ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode);
cmd_buff[1] = file_res.Code().raw;
if (file_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom();
@ -337,7 +337,7 @@ static void OpenDirectory(Service::Interface* self) {
LOG_DEBUG(Service_FS, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
ResultVal<SharedPtr<Session>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path);
ResultVal<SharedPtr<Directory>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path);
cmd_buff[1] = dir_res.Code().raw;
if (dir_res.Succeeded()) {
cmd_buff[3] = Kernel::g_handle_table.Create(*dir_res).MoveFrom();
@ -468,7 +468,7 @@ static void FormatSaveData(Service::Interface* self) {
return;
}
cmd_buff[1] = FormatSaveData().raw;
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData).raw;
}
/**
@ -484,7 +484,7 @@ static void FormatThisUserSaveData(Service::Interface* self) {
// TODO(Subv): Find out what the inputs and outputs of this function are
cmd_buff[1] = FormatSaveData().raw;
cmd_buff[1] = FormatArchive(ArchiveIdCode::SaveData).raw;
}
static void CreateExtSaveData(Service::Interface* self) {

35
src/core/hle/service/ptm_u.cpp
View file

@ -4,8 +4,9 @@
#include "common/log.h"
#include "common/make_unique.h"
#include "core/file_sys/archive_extsavedata.h"
#include "core/hle/hle.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/ptm_u.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -28,7 +29,6 @@ struct GameCoin {
u8 day;
};
static const GameCoin default_game_coin = { 0x4F00, 42, 0, 0, 0, 2014, 12, 29 };
static std::unique_ptr<FileSys::Archive_ExtSaveData> ptm_shared_extsavedata;
static const std::vector<u8> ptm_shared_extdata_id = {0, 0, 0, 0, 0x0B, 0, 0, 0xF0, 0, 0, 0, 0};
/// Charge levels used by PTM functions
@ -138,31 +138,28 @@ const Interface::FunctionInfo FunctionTable[] = {
Interface::Interface() {
Register(FunctionTable);
// Create the SharedExtSaveData archive 0xF000000B and the gamecoin.dat file
// TODO(Subv): In the future we should use the FS service to query this archive
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
ptm_shared_extsavedata = Common::make_unique<FileSys::Archive_ExtSaveData>(nand_directory, true);
if (!ptm_shared_extsavedata->Initialize()) {
LOG_CRITICAL(Service_PTM, "Could not initialize SharedExtSaveData archive for the PTM:U service");
return;
}
// Open the SharedExtSaveData archive 0xF000000B and the gamecoin.dat file
FileSys::Path archive_path(ptm_shared_extdata_id);
ResultCode result = ptm_shared_extsavedata->Open(archive_path);
auto archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
// If the archive didn't exist, create the files inside
if (result.description == ErrorDescription::FS_NotFormatted) {
// Format the archive to clear the directories
ptm_shared_extsavedata->Format(archive_path);
if (archive_result.Code().description == ErrorDescription::FS_NotFormatted) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
// Open it again to get a valid archive now that the folder exists
ptm_shared_extsavedata->Open(archive_path);
archive_result = Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
_assert_msg_(Service_PTM, archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
FileSys::Path gamecoin_path("gamecoin.dat");
FileSys::Mode open_mode = {};
open_mode.write_flag = 1;
open_mode.create_flag = 1;
// Open the file and write the default gamecoin information
auto gamecoin = ptm_shared_extsavedata->OpenFile(gamecoin_path, open_mode);
if (gamecoin != nullptr) {
gamecoin->Write(0, sizeof(GameCoin), 1, reinterpret_cast<const u8*>(&default_game_coin));
gamecoin->Close();
auto gamecoin_result = Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
if (gamecoin_result.Succeeded()) {
auto gamecoin = gamecoin_result.MoveFrom();
gamecoin->backend->Write(0, sizeof(GameCoin), 1, reinterpret_cast<const u8*>(&default_game_coin));
gamecoin->backend->Close();
}
}
}

2
src/core/loader/loader.cpp
View file

@ -127,7 +127,7 @@ ResultStatus LoadFile(const std::string& filename) {
// Load application and RomFS
if (ResultStatus::Success == app_loader.Load()) {
Kernel::g_program_id = app_loader.GetProgramId();
Service::FS::CreateArchive(Common::make_unique<FileSys::Archive_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
Service::FS::RegisterArchiveType(Common::make_unique<FileSys::ArchiveFactory_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
return ResultStatus::Success;
}
break;