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FS: Allow multiple instances of the same archive type to be open at once

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This commit is contained in:
Yuri Kunde Schlesner 2015-02-06 11:53:14 -02:00
parent 4468625080
commit 3f1a3952d7
19 changed files with 199 additions and 159 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

17
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"
@ -28,14 +29,13 @@ 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.
@ -44,10 +44,13 @@ ResultCode Archive_SaveData::Open(const Path& path) {
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 {

51
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"
@ -233,22 +235,23 @@ public:
////////////////////////////////////////////////////////////////////////////////////////////////////
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<ArchiveBackend>> 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, ArchiveBackend*> handle_map;
static std::unordered_map<ArchiveHandle, std::unique_ptr<ArchiveBackend>> handle_map;
static ArchiveHandle next_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) {
@ -261,15 +264,13 @@ ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archi
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
ResultCode res = itr->second->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++);
}
@ -282,11 +283,11 @@ 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, std::move(backend));
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);
@ -450,32 +451,32 @@ 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

4
src/core/hle/service/fs/archive.h
View file

@ -51,11 +51,11 @@ 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

9
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
@ -138,6 +138,10 @@ const Interface::FunctionInfo FunctionTable[] = {
Interface::Interface() {
Register(FunctionTable);
// TODO(Subv): This code needs to be updated to not directly create archives and use the
// standard archive.h interfaces.
#if 0
// 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);
@ -165,6 +169,7 @@ Interface::Interface() {
gamecoin->Close();
}
}
#endif
}
} // namespace

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;