mirror of
https://github.com/yuzu-emu/yuzu-android.git
synced 2024-12-03 14:34:16 +01:00
331 lines
12 KiB
C++
331 lines
12 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <algorithm>
|
|
#include <memory>
|
|
#include "common/file_util.h"
|
|
#include "common/logging/log.h"
|
|
#include "core/file_sys/archive_sdmc.h"
|
|
#include "core/file_sys/disk_archive.h"
|
|
#include "core/file_sys/errors.h"
|
|
#include "core/file_sys/path_parser.h"
|
|
#include "core/settings.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// FileSys namespace
|
|
|
|
namespace FileSys {
|
|
|
|
ResultVal<std::unique_ptr<FileBackend>> SDMCArchive::OpenFile(const Path& path,
|
|
const Mode& mode) const {
|
|
Mode modified_mode;
|
|
modified_mode.hex = mode.hex;
|
|
|
|
// SDMC archive always opens a file with at least read permission
|
|
modified_mode.read_flag.Assign(1);
|
|
|
|
return OpenFileBase(path, modified_mode);
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<FileBackend>> SDMCArchive::OpenFileBase(const Path& path,
|
|
const Mode& mode) const {
|
|
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
|
|
|
|
const PathParser path_parser(path);
|
|
|
|
if (!path_parser.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
if (mode.hex == 0) {
|
|
LOG_ERROR(Service_FS, "Empty open mode");
|
|
return ERROR_INVALID_OPEN_FLAGS;
|
|
}
|
|
|
|
if (mode.create_flag && !mode.write_flag) {
|
|
LOG_ERROR(Service_FS, "Create flag set but write flag not set");
|
|
return ERROR_INVALID_OPEN_FLAGS;
|
|
}
|
|
|
|
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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::NotFound:
|
|
if (!mode.create_flag) {
|
|
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
|
|
full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
} else {
|
|
// Create the file
|
|
FileUtil::CreateEmptyFile(full_path);
|
|
}
|
|
break;
|
|
}
|
|
|
|
FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
|
|
if (!file.IsOpen()) {
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
}
|
|
|
|
auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
|
|
return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
|
|
}
|
|
|
|
ResultCode SDMCArchive::DeleteFile(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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
case PathParser::NotFound:
|
|
LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
}
|
|
|
|
if (FileUtil::Delete(full_path)) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting %s", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
}
|
|
|
|
ResultCode SDMCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
|
|
if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString())) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
|
|
// exist or similar. Verify.
|
|
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
|
ErrorSummary::NothingHappened, ErrorLevel::Status);
|
|
}
|
|
|
|
template <typename T>
|
|
static ResultCode DeleteDirectoryHelper(const Path& path, const std::string& mount_point,
|
|
T deleter) {
|
|
const PathParser path_parser(path);
|
|
|
|
if (!path_parser.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
if (path_parser.IsRootDirectory())
|
|
return ERROR_NOT_FOUND;
|
|
|
|
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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::NotFound:
|
|
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
|
|
return ERROR_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_SDMC;
|
|
}
|
|
|
|
if (deleter(full_path)) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_ERROR(Service_FS, "Directory not empty %s", full_path.c_str());
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
}
|
|
|
|
ResultCode SDMCArchive::DeleteDirectory(const Path& path) const {
|
|
return DeleteDirectoryHelper(path, mount_point, FileUtil::DeleteDir);
|
|
}
|
|
|
|
ResultCode SDMCArchive::DeleteDirectoryRecursively(const Path& path) const {
|
|
return DeleteDirectoryHelper(
|
|
path, mount_point, [](const std::string& p) { return FileUtil::DeleteDirRecursively(p); });
|
|
}
|
|
|
|
ResultCode SDMCArchive::CreateFile(const FileSys::Path& path, u64 size) 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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
|
|
return ERROR_ALREADY_EXISTS;
|
|
}
|
|
|
|
if (size == 0) {
|
|
FileUtil::CreateEmptyFile(full_path);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
FileUtil::IOFile file(full_path, "wb");
|
|
// Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
|
|
// We do this by seeking to the right size, then writing a single null byte.
|
|
if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_ERROR(Service_FS, "Too large file");
|
|
return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource,
|
|
ErrorLevel::Info);
|
|
}
|
|
|
|
ResultCode SDMCArchive::CreateDirectory(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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
|
|
return ERROR_ALREADY_EXISTS;
|
|
}
|
|
|
|
if (FileUtil::CreateDir(mount_point + path.AsString())) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", mount_point.c_str());
|
|
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
|
|
ErrorLevel::Status);
|
|
}
|
|
|
|
ResultCode SDMCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
|
|
if (FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()))
|
|
return RESULT_SUCCESS;
|
|
|
|
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
|
|
// exist or similar. Verify.
|
|
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
|
ErrorSummary::NothingHappened, ErrorLevel::Status);
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<DirectoryBackend>> SDMCArchive::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_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::NotFound:
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
}
|
|
|
|
auto directory = std::make_unique<DiskDirectory>(full_path);
|
|
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
|
|
}
|
|
|
|
u64 SDMCArchive::GetFreeBytes() const {
|
|
// TODO: Stubbed to return 1GiB
|
|
return 1024 * 1024 * 1024;
|
|
}
|
|
|
|
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 ArchiveFactory_SDMC::Initialize() {
|
|
if (!Settings::values.use_virtual_sd) {
|
|
LOG_WARNING(Service_FS, "SDMC disabled by config.");
|
|
return false;
|
|
}
|
|
|
|
if (!FileUtil::CreateFullPath(sdmc_directory)) {
|
|
LOG_ERROR(Service_FS, "Unable to create SDMC path.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMC::Open(const Path& path) {
|
|
auto archive = std::make_unique<SDMCArchive>(sdmc_directory);
|
|
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
|
|
}
|
|
|
|
ResultCode ArchiveFactory_SDMC::Format(const Path& path,
|
|
const FileSys::ArchiveFormatInfo& format_info) {
|
|
// This is kind of an undesirable operation, so let's just ignore it. :)
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
ResultVal<ArchiveFormatInfo> ArchiveFactory_SDMC::GetFormatInfo(const Path& path) const {
|
|
// TODO(Subv): Implement
|
|
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
|
|
return ResultCode(-1);
|
|
}
|
|
} // namespace FileSys
|