a6d9baa05a
To eliminate System::GetInstance usage. Archive type like SelfNCCH and SaveData changes the actual reference path for different client, so archive backend interface should accept client information from the service interface. Currently we only pass the program ID as the client information.
399 lines
14 KiB
C++
399 lines
14 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 {
|
|
|
|
class SDMCDelayGenerator : public DelayGenerator {
|
|
public:
|
|
u64 GetReadDelayNs(std::size_t length) override {
|
|
// This is the delay measured on O3DS and O2DS with
|
|
// https://gist.github.com/B3n30/ac40eac20603f519ff106107f4ac9182
|
|
// from the results the average of each length was taken.
|
|
static constexpr u64 slope(183);
|
|
static constexpr u64 offset(524879);
|
|
static constexpr u64 minimum(631826);
|
|
u64 IPCDelayNanoseconds = std::max<u64>(static_cast<u64>(length) * slope + offset, minimum);
|
|
return IPCDelayNanoseconds;
|
|
}
|
|
};
|
|
|
|
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={} mode={:01X}", path.DebugStr(), mode.hex);
|
|
|
|
const PathParser path_parser(path);
|
|
|
|
if (!path_parser.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid path {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "{} is not a file", full_path);
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::NotFound:
|
|
if (!mode.create_flag) {
|
|
LOG_ERROR(Service_FS, "Non-existing file {} can't be open without mode create.",
|
|
full_path);
|
|
return ERROR_NOT_FOUND;
|
|
} else {
|
|
// Create the file
|
|
FileUtil::CreateEmptyFile(full_path);
|
|
}
|
|
break;
|
|
case PathParser::FileFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
|
|
if (!file.IsOpen()) {
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
}
|
|
|
|
std::unique_ptr<DelayGenerator> delay_generator = std::make_unique<SDMCDelayGenerator>();
|
|
auto disk_file = std::make_unique<DiskFile>(std::move(file), mode, std::move(delay_generator));
|
|
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 {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
case PathParser::NotFound:
|
|
LOG_ERROR(Service_FS, "{} not found", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "{} is not a file", full_path);
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::FileFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
if (FileUtil::Delete(full_path)) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
}
|
|
|
|
ResultCode SDMCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
|
|
const PathParser path_parser_src(src_path);
|
|
|
|
// TODO: Verify these return codes with HW
|
|
if (!path_parser_src.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid src path {}", src_path.DebugStr());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
const PathParser path_parser_dest(dest_path);
|
|
|
|
if (!path_parser_dest.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid dest path {}", dest_path.DebugStr());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
|
|
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
|
|
|
|
if (FileUtil::Rename(src_path_full, dest_path_full)) {
|
|
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 {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::NotFound:
|
|
LOG_ERROR(Service_FS, "Path not found {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::FileInPath:
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "Unexpected file in path {}", full_path);
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::DirectoryFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
if (deleter(full_path)) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_ERROR(Service_FS, "Directory not empty {}", full_path);
|
|
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 {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
LOG_ERROR(Service_FS, "{} already exists", full_path);
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "{} already exists", full_path);
|
|
return ERROR_ALREADY_EXISTS;
|
|
case PathParser::NotFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
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 {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Path not found {}", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::DirectoryFound:
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "{} already exists", full_path);
|
|
return ERROR_ALREADY_EXISTS;
|
|
case PathParser::NotFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
if (FileUtil::CreateDir(mount_point + path.AsString())) {
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating {}", mount_point);
|
|
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
|
|
ErrorLevel::Status);
|
|
}
|
|
|
|
ResultCode SDMCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
|
|
const PathParser path_parser_src(src_path);
|
|
|
|
// TODO: Verify these return codes with HW
|
|
if (!path_parser_src.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid src path {}", src_path.DebugStr());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
const PathParser path_parser_dest(dest_path);
|
|
|
|
if (!path_parser_dest.IsValid()) {
|
|
LOG_ERROR(Service_FS, "Invalid dest path {}", dest_path.DebugStr());
|
|
return ERROR_INVALID_PATH;
|
|
}
|
|
|
|
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
|
|
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
|
|
|
|
if (FileUtil::Rename(src_path_full, dest_path_full)) {
|
|
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 {}", path.DebugStr());
|
|
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 {}", mount_point);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::PathNotFound:
|
|
case PathParser::NotFound:
|
|
case PathParser::FileFound:
|
|
LOG_ERROR(Service_FS, "{} not found", full_path);
|
|
return ERROR_NOT_FOUND;
|
|
case PathParser::FileInPath:
|
|
LOG_ERROR(Service_FS, "Unexpected file in path {}", full_path);
|
|
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
|
|
case PathParser::DirectoryFound:
|
|
break; // Expected 'success' case
|
|
}
|
|
|
|
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_DEBUG(Service_FS, "Directory {} set as SDMC.", sdmc_directory);
|
|
}
|
|
|
|
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,
|
|
u64 program_id) {
|
|
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,
|
|
u64 program_id) {
|
|
// This is kind of an undesirable operation, so let's just ignore it. :)
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
ResultVal<ArchiveFormatInfo> ArchiveFactory_SDMC::GetFormatInfo(const Path& path,
|
|
u64 program_id) const {
|
|
// TODO(Subv): Implement
|
|
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive {}", GetName());
|
|
return ResultCode(-1);
|
|
}
|
|
} // namespace FileSys
|