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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/fs/fs_istorage.hpp>
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#include <stratosphere/fs/fs_memory_storage.hpp>
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#include <stratosphere/fs/impl/fs_newable.hpp>
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#include <stratosphere/fssystem/fssystem_nca_header.hpp>
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#include <stratosphere/fssystem/save/fssystem_hierarchical_integrity_verification_storage.hpp>
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namespace ams::fssystem {
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constexpr inline size_t IntegrityLayerCountRomFs = 7;
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constexpr inline size_t IntegrityHashLayerBlockSize = 16_KB;
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class IntegrityRomFsStorage : public ::ams::fs::IStorage, public ::ams::fs::impl::Newable {
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private:
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save::HierarchicalIntegrityVerificationStorage integrity_storage;
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save::FileSystemBufferManagerSet buffers;
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os::Mutex mutex;
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Hash master_hash;
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std::unique_ptr<fs::MemoryStorage> master_hash_storage;
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public:
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IntegrityRomFsStorage() : mutex(true) { /* ... */ }
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virtual ~IntegrityRomFsStorage() override { this->Finalize(); }
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Result Initialize(save::HierarchicalIntegrityVerificationInformation level_hash_info, Hash master_hash, save::HierarchicalIntegrityVerificationStorage::HierarchicalStorageInformation storage_info, IBufferManager *bm);
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void Finalize();
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virtual Result Read(s64 offset, void *buffer, size_t size) override {
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return this->integrity_storage.Read(offset, buffer, size);
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}
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virtual Result Write(s64 offset, const void *buffer, size_t size) override {
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return this->integrity_storage.Write(offset, buffer, size);
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}
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virtual Result SetSize(s64 size) override { return fs::ResultUnsupportedOperationInIntegrityRomFsStorageA(); }
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virtual Result GetSize(s64 *out) override {
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return this->integrity_storage.GetSize(out);
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}
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virtual Result Flush() override {
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return this->integrity_storage.Flush();
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}
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virtual Result OperateRange(void *dst, size_t dst_size, fs::OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override {
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return this->integrity_storage.OperateRange(dst, dst_size, op_id, offset, size, src, src_size);
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}
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Result Commit() {
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return this->integrity_storage.Commit();
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}
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save::FileSystemBufferManagerSet *GetBuffers() {
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return this->integrity_storage.GetBuffers();
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}
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};
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}
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