mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2025-10-31 03:05:48 +01:00
77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
/*
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* Copyright (c) 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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#include <stratosphere.hpp>
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#include <stratosphere/fssrv/fssrv_interface_adapters.hpp>
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#include "fssrv_retry_utility.hpp"
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namespace ams::fssrv::impl {
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Result StorageInterfaceAdapter::Read(s64 offset, const ams::sf::OutNonSecureBuffer &buffer, s64 size) {
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/* Check pre-conditions. */
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R_UNLESS(0 <= offset, fs::ResultInvalidOffset());
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R_UNLESS(0 <= size, fs::ResultInvalidSize());
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R_UNLESS(size <= static_cast<s64>(buffer.GetSize()), fs::ResultInvalidSize());
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R_RETURN(RetryFinitelyForDataCorrupted([&] () ALWAYS_INLINE_LAMBDA {
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R_RETURN(m_base_storage->Read(offset, buffer.GetPointer(), size));
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}));
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}
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Result StorageInterfaceAdapter::Write(s64 offset, const ams::sf::InNonSecureBuffer &buffer, s64 size) {
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/* Check pre-conditions. */
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R_UNLESS(0 <= offset, fs::ResultInvalidOffset());
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R_UNLESS(0 <= size, fs::ResultInvalidSize());
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R_UNLESS(size <= static_cast<s64>(buffer.GetSize()), fs::ResultInvalidSize());
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/* Temporarily increase our thread's priority. */
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fssystem::ScopedThreadPriorityChangerByAccessPriority cp(fssystem::ScopedThreadPriorityChangerByAccessPriority::AccessMode::Write);
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R_RETURN(m_base_storage->Write(offset, buffer.GetPointer(), size));
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}
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Result StorageInterfaceAdapter::Flush() {
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R_RETURN(m_base_storage->Flush());
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}
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Result StorageInterfaceAdapter::SetSize(s64 size) {
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R_UNLESS(size >= 0, fs::ResultInvalidSize());
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R_RETURN(m_base_storage->SetSize(size));
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}
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Result StorageInterfaceAdapter::GetSize(ams::sf::Out<s64> out) {
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R_RETURN(m_base_storage->GetSize(out.GetPointer()));
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}
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Result StorageInterfaceAdapter::OperateRange(ams::sf::Out<fs::StorageQueryRangeInfo> out, s32 op_id, s64 offset, s64 size) {
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/* N includes this redundant check, so we will too. */
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R_UNLESS(out.GetPointer() != nullptr, fs::ResultNullptrArgument());
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/* Clear the range info. */
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out->Clear();
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if (op_id == static_cast<s32>(fs::OperationId::QueryRange)) {
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fs::FileQueryRangeInfo info;
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R_TRY(m_base_storage->OperateRange(std::addressof(info), sizeof(info), fs::OperationId::QueryRange, offset, size, nullptr, 0));
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out->Merge(info);
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} else if (op_id == static_cast<s32>(fs::OperationId::Invalidate)) {
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R_TRY(m_base_storage->OperateRange(nullptr, 0, fs::OperationId::Invalidate, offset, size, nullptr, 0));
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}
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R_SUCCEED();
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}
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}
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