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https://github.com/yuzu-mirror/yuzu.git
synced 2024-09-07 11:49:08 +01:00
FileSys: add SaveDataArchive
The error checking of SaveDataArchive is completely different from DiskArchive, so it has to be a new class instead of a subclass of DiskArchive.
This commit is contained in:
parent
9a0405858a
commit
7166fdc490
7 changed files with 368 additions and 4 deletions
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@ -25,6 +25,7 @@ set(SRCS
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file_sys/disk_archive.cpp
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file_sys/disk_archive.cpp
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file_sys/ivfc_archive.cpp
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file_sys/ivfc_archive.cpp
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file_sys/path_parser.cpp
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file_sys/path_parser.cpp
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file_sys/savedata_archive.cpp
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gdbstub/gdbstub.cpp
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gdbstub/gdbstub.cpp
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hle/config_mem.cpp
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hle/config_mem.cpp
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hle/hle.cpp
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hle/hle.cpp
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@ -170,6 +171,7 @@ set(HEADERS
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file_sys/file_backend.h
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file_sys/file_backend.h
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file_sys/ivfc_archive.h
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file_sys/ivfc_archive.h
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file_sys/path_parser.h
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file_sys/path_parser.h
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file_sys/savedata_archive.h
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gdbstub/gdbstub.h
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gdbstub/gdbstub.h
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hle/config_mem.h
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hle/config_mem.h
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hle/function_wrappers.h
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hle/function_wrappers.h
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@ -9,7 +9,7 @@
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#include "common/logging/log.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "common/string_util.h"
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#include "core/file_sys/archive_savedata.h"
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#include "core/file_sys/archive_savedata.h"
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#include "core/file_sys/disk_archive.h"
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#include "core/file_sys/savedata_archive.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/fs/archive.h"
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#include "core/hle/service/fs/archive.h"
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@ -54,7 +54,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const P
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ErrorSummary::InvalidState, ErrorLevel::Status);
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ErrorSummary::InvalidState, ErrorLevel::Status);
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}
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}
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auto archive = std::make_unique<DiskArchive>(std::move(concrete_mount_point));
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auto archive = std::make_unique<SaveDataArchive>(std::move(concrete_mount_point));
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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}
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}
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@ -9,7 +9,7 @@
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#include "common/file_util.h"
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#include "common/file_util.h"
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#include "common/string_util.h"
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#include "common/string_util.h"
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#include "core/file_sys/archive_systemsavedata.h"
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#include "core/file_sys/archive_systemsavedata.h"
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#include "core/file_sys/disk_archive.h"
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#include "core/file_sys/savedata_archive.h"
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#include "core/hle/service/fs/archive.h"
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#include "core/hle/service/fs/archive.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////
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@ -56,7 +56,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(c
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return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
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return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
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ErrorSummary::InvalidState, ErrorLevel::Status);
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ErrorSummary::InvalidState, ErrorLevel::Status);
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}
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}
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auto archive = std::make_unique<DiskArchive>(fullpath);
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auto archive = std::make_unique<SaveDataArchive>(fullpath);
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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}
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}
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29
src/core/file_sys/errors.h
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29
src/core/file_sys/errors.h
Normal file
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@ -0,0 +1,29 @@
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/hle/result.h"
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namespace FileSys {
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const ResultCode ERROR_INVALID_PATH(ErrorDescription::FS_InvalidPath, ErrorModule::FS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage);
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const ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ErrorDescription::FS_UnsupportedOpenFlags,
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ErrorModule::FS, ErrorSummary::NotSupported,
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ErrorLevel::Usage);
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const ResultCode ERROR_FILE_NOT_FOUND(ErrorDescription::FS_FileNotFound, ErrorModule::FS,
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ErrorSummary::NotFound, ErrorLevel::Status);
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const ResultCode ERROR_PATH_NOT_FOUND(ErrorDescription::FS_PathNotFound, ErrorModule::FS,
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ErrorSummary::NotFound, ErrorLevel::Status);
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const ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ErrorDescription::FS_UnexpectedFileOrDirectory,
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ErrorModule::FS, ErrorSummary::NotSupported,
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ErrorLevel::Usage);
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const ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ErrorDescription::FS_DirectoryAlreadyExists,
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ErrorModule::FS, ErrorSummary::NothingHappened,
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ErrorLevel::Status);
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const ResultCode ERROR_FILE_ALREADY_EXISTS(ErrorDescription::FS_FileAlreadyExists, ErrorModule::FS,
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ErrorSummary::NothingHappened, ErrorLevel::Status);
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const ResultCode ERROR_DIRECTORY_NOT_EMPTY(ErrorDescription::FS_DirectoryNotEmpty, ErrorModule::FS,
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ErrorSummary::Canceled, ErrorLevel::Status);
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} // namespace FileSys
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283
src/core/file_sys/savedata_archive.cpp
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283
src/core/file_sys/savedata_archive.cpp
Normal file
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@ -0,0 +1,283 @@
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/file_util.h"
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#include "core/file_sys/disk_archive.h"
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#include "core/file_sys/errors.h"
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#include "core/file_sys/path_parser.h"
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#include "core/file_sys/savedata_archive.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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ResultVal<std::unique_ptr<FileBackend>> SaveDataArchive::OpenFile(const Path& path,
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const Mode& mode) const {
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LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
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const PathParser path_parser(path);
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if (!path_parser.IsValid()) {
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LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
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return ERROR_INVALID_PATH;
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}
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if (mode.hex == 0) {
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LOG_ERROR(Service_FS, "Empty open mode");
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return ERROR_UNSUPPORTED_OPEN_FLAGS;
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}
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if (mode.create_flag && !mode.write_flag) {
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LOG_ERROR(Service_FS, "Create flag set but write flag not set");
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return ERROR_UNSUPPORTED_OPEN_FLAGS;
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}
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const auto full_path = path_parser.BuildHostPath(mount_point);
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switch (path_parser.GetHostStatus(mount_point)) {
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case PathParser::InvalidMountPoint:
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LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
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return ERROR_FILE_NOT_FOUND;
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case PathParser::PathNotFound:
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LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::FileInPath:
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case PathParser::DirectoryFound:
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LOG_ERROR(Service_FS, "Unexpected file or directory in %s", full_path.c_str());
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return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
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case PathParser::NotFound:
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if (!mode.create_flag) {
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LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
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full_path.c_str());
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return ERROR_FILE_NOT_FOUND;
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} else {
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// Create the file
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FileUtil::CreateEmptyFile(full_path);
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}
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break;
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}
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FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
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if (!file.IsOpen()) {
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LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
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return ERROR_FILE_NOT_FOUND;
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}
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auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
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return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
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}
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ResultCode SaveDataArchive::DeleteFile(const Path& path) const {
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const PathParser path_parser(path);
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if (!path_parser.IsValid()) {
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LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
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return ERROR_INVALID_PATH;
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}
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const auto full_path = path_parser.BuildHostPath(mount_point);
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switch (path_parser.GetHostStatus(mount_point)) {
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case PathParser::InvalidMountPoint:
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LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
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return ERROR_FILE_NOT_FOUND;
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case PathParser::PathNotFound:
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LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::FileInPath:
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case PathParser::DirectoryFound:
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case PathParser::NotFound:
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LOG_ERROR(Service_FS, "File not found %s", full_path.c_str());
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return ERROR_FILE_NOT_FOUND;
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}
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if (FileUtil::Delete(full_path)) {
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return RESULT_SUCCESS;
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}
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LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting %s", full_path.c_str());
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return ERROR_FILE_NOT_FOUND;
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}
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ResultCode SaveDataArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
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if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString())) {
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return RESULT_SUCCESS;
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}
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// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
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// exist or similar. Verify.
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return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
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ErrorSummary::NothingHappened, ErrorLevel::Status);
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}
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template <typename T>
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static ResultCode DeleteDirectoryHelper(const Path& path, const std::string& mount_point,
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T deleter) {
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const PathParser path_parser(path);
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if (!path_parser.IsValid()) {
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LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
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return ERROR_INVALID_PATH;
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}
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if (path_parser.IsRootDirectory())
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return ERROR_DIRECTORY_NOT_EMPTY;
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const auto full_path = path_parser.BuildHostPath(mount_point);
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switch (path_parser.GetHostStatus(mount_point)) {
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case PathParser::InvalidMountPoint:
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LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::PathNotFound:
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case PathParser::NotFound:
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LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::FileInPath:
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case PathParser::FileFound:
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LOG_ERROR(Service_FS, "Unexpected file or directory %s", full_path.c_str());
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return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
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}
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if (deleter(full_path)) {
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return RESULT_SUCCESS;
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}
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LOG_ERROR(Service_FS, "Directory not empty %s", full_path.c_str());
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return ERROR_DIRECTORY_NOT_EMPTY;
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}
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ResultCode SaveDataArchive::DeleteDirectory(const Path& path) const {
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return DeleteDirectoryHelper(path, mount_point, FileUtil::DeleteDir);
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}
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ResultCode SaveDataArchive::DeleteDirectoryRecursively(const Path& path) const {
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return DeleteDirectoryHelper(
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path, mount_point, [](const std::string& p) { return FileUtil::DeleteDirRecursively(p); });
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}
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ResultCode SaveDataArchive::CreateFile(const FileSys::Path& path, u64 size) const {
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const PathParser path_parser(path);
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if (!path_parser.IsValid()) {
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LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
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return ERROR_INVALID_PATH;
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}
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const auto full_path = path_parser.BuildHostPath(mount_point);
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switch (path_parser.GetHostStatus(mount_point)) {
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case PathParser::InvalidMountPoint:
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LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
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return ERROR_FILE_NOT_FOUND;
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case PathParser::PathNotFound:
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LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::FileInPath:
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LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
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return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
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case PathParser::DirectoryFound:
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case PathParser::FileFound:
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LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
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return ERROR_FILE_ALREADY_EXISTS;
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}
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if (size == 0) {
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FileUtil::CreateEmptyFile(full_path);
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return RESULT_SUCCESS;
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}
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FileUtil::IOFile file(full_path, "wb");
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// Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
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// We do this by seeking to the right size, then writing a single null byte.
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if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
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return RESULT_SUCCESS;
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}
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LOG_ERROR(Service_FS, "Too large file");
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return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource,
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ErrorLevel::Info);
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}
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ResultCode SaveDataArchive::CreateDirectory(const Path& path) const {
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const PathParser path_parser(path);
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if (!path_parser.IsValid()) {
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LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
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return ERROR_INVALID_PATH;
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}
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const auto full_path = path_parser.BuildHostPath(mount_point);
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switch (path_parser.GetHostStatus(mount_point)) {
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case PathParser::InvalidMountPoint:
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LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
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return ERROR_FILE_NOT_FOUND;
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case PathParser::PathNotFound:
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LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
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return ERROR_PATH_NOT_FOUND;
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case PathParser::FileInPath:
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LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
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return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
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case PathParser::DirectoryFound:
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case PathParser::FileFound:
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LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
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return ERROR_DIRECTORY_ALREADY_EXISTS;
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}
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if (FileUtil::CreateDir(mount_point + path.AsString())) {
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return RESULT_SUCCESS;
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}
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LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", mount_point.c_str());
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return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
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ErrorLevel::Status);
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}
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ResultCode SaveDataArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
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if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()))
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return RESULT_SUCCESS;
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// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
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// exist or similar. Verify.
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return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
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ErrorSummary::NothingHappened, ErrorLevel::Status);
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}
|
||||||
|
|
||||||
|
ResultVal<std::unique_ptr<DirectoryBackend>> SaveDataArchive::OpenDirectory(
|
||||||
|
const Path& path) const {
|
||||||
|
const PathParser path_parser(path);
|
||||||
|
|
||||||
|
if (!path_parser.IsValid()) {
|
||||||
|
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
|
||||||
|
return ERROR_INVALID_PATH;
|
||||||
|
}
|
||||||
|
|
||||||
|
const auto full_path = path_parser.BuildHostPath(mount_point);
|
||||||
|
|
||||||
|
switch (path_parser.GetHostStatus(mount_point)) {
|
||||||
|
case PathParser::InvalidMountPoint:
|
||||||
|
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
|
||||||
|
return ERROR_FILE_NOT_FOUND;
|
||||||
|
case PathParser::PathNotFound:
|
||||||
|
case PathParser::NotFound:
|
||||||
|
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
|
||||||
|
return ERROR_PATH_NOT_FOUND;
|
||||||
|
case PathParser::FileInPath:
|
||||||
|
case PathParser::FileFound:
|
||||||
|
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
|
||||||
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
|
||||||
|
}
|
||||||
|
|
||||||
|
auto directory = std::make_unique<DiskDirectory>(full_path);
|
||||||
|
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
|
||||||
|
}
|
||||||
|
|
||||||
|
u64 SaveDataArchive::GetFreeBytes() const {
|
||||||
|
// TODO: Stubbed to return 1GiB
|
||||||
|
return 1024 * 1024 * 1024;
|
||||||
|
}
|
||||||
|
|
||||||
|
} // namespace FileSys
|
43
src/core/file_sys/savedata_archive.h
Normal file
43
src/core/file_sys/savedata_archive.h
Normal file
|
@ -0,0 +1,43 @@
|
||||||
|
// Copyright 2016 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <string>
|
||||||
|
#include "core/file_sys/archive_backend.h"
|
||||||
|
#include "core/file_sys/directory_backend.h"
|
||||||
|
#include "core/file_sys/file_backend.h"
|
||||||
|
#include "core/hle/result.h"
|
||||||
|
|
||||||
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
// FileSys namespace
|
||||||
|
|
||||||
|
namespace FileSys {
|
||||||
|
|
||||||
|
/// Archive backend for general save data archive type (SaveData and SystemSaveData)
|
||||||
|
class SaveDataArchive : public ArchiveBackend {
|
||||||
|
public:
|
||||||
|
SaveDataArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
|
||||||
|
|
||||||
|
std::string GetName() const override {
|
||||||
|
return "SaveDataArchive: " + mount_point;
|
||||||
|
}
|
||||||
|
|
||||||
|
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
|
||||||
|
const Mode& mode) const override;
|
||||||
|
ResultCode DeleteFile(const Path& path) const override;
|
||||||
|
ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
|
||||||
|
ResultCode DeleteDirectory(const Path& path) const override;
|
||||||
|
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
|
||||||
|
ResultCode CreateFile(const Path& path, u64 size) const override;
|
||||||
|
ResultCode CreateDirectory(const Path& path) const override;
|
||||||
|
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
|
||||||
|
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
|
||||||
|
u64 GetFreeBytes() const override;
|
||||||
|
|
||||||
|
protected:
|
||||||
|
std::string mount_point;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace FileSys
|
|
@ -20,15 +20,22 @@ enum class ErrorDescription : u32 {
|
||||||
OS_InvalidBufferDescriptor = 48,
|
OS_InvalidBufferDescriptor = 48,
|
||||||
WrongAddress = 53,
|
WrongAddress = 53,
|
||||||
FS_ArchiveNotMounted = 101,
|
FS_ArchiveNotMounted = 101,
|
||||||
|
FS_FileNotFound = 112,
|
||||||
|
FS_PathNotFound = 113,
|
||||||
FS_NotFound = 120,
|
FS_NotFound = 120,
|
||||||
|
FS_FileAlreadyExists = 180,
|
||||||
|
FS_DirectoryAlreadyExists = 185,
|
||||||
FS_AlreadyExists = 190,
|
FS_AlreadyExists = 190,
|
||||||
FS_InvalidOpenFlags = 230,
|
FS_InvalidOpenFlags = 230,
|
||||||
|
FS_DirectoryNotEmpty = 240,
|
||||||
FS_NotAFile = 250,
|
FS_NotAFile = 250,
|
||||||
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
|
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
|
||||||
OutofRangeOrMisalignedAddress =
|
OutofRangeOrMisalignedAddress =
|
||||||
513, // TODO(purpasmart): Check if this name fits its actual usage
|
513, // TODO(purpasmart): Check if this name fits its actual usage
|
||||||
GPU_FirstInitialization = 519,
|
GPU_FirstInitialization = 519,
|
||||||
FS_InvalidPath = 702,
|
FS_InvalidPath = 702,
|
||||||
|
FS_UnsupportedOpenFlags = 760,
|
||||||
|
FS_UnexpectedFileOrDirectory = 770,
|
||||||
InvalidSection = 1000,
|
InvalidSection = 1000,
|
||||||
TooLarge = 1001,
|
TooLarge = 1001,
|
||||||
NotAuthorized = 1002,
|
NotAuthorized = 1002,
|
||||||
|
|
Loading…
Reference in a new issue