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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/file_sys/errors.h"
#include "core/hle/service/filesystem/fsp/fs_i_file.h"
#include "core/hle/service/ipc_helpers.h"
namespace Service::FileSystem {
IFile::IFile(Core::System& system_, FileSys::VirtualFile file_)
: ServiceFramework{system_, "IFile"}, backend{std::make_unique<FileSys::Fsa::IFile>(file_)} {
static const FunctionInfo functions[] = {
{0, &IFile::Read, "Read"},
{1, &IFile::Write, "Write"},
{2, &IFile::Flush, "Flush"},
{3, &IFile::SetSize, "SetSize"},
{4, &IFile::GetSize, "GetSize"},
{5, nullptr, "OperateRange"},
{6, nullptr, "OperateRangeWithBuffer"},
};
RegisterHandlers(functions);
}
void IFile::Read(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 option = rp.Pop<u64>();
const s64 offset = rp.Pop<s64>();
const s64 length = rp.Pop<s64>();
LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option, offset, length);
// Read the data from the Storage backend
std::vector<u8> output(length);
std::size_t bytes_read;
const auto result = backend->Read(&bytes_read, offset, output.data(), length);
// Write the data to memory
ctx.WriteBuffer(output);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(result);
rb.Push(static_cast<u64>(bytes_read));
}
void IFile::Write(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto option = rp.PopRaw<FileSys::WriteOption>();
[[maybe_unused]] const u32 unused = rp.Pop<u32>();
const s64 offset = rp.Pop<s64>();
const s64 length = rp.Pop<s64>();
LOG_DEBUG(Service_FS, "called, option={}, offset=0x{:X}, length={}", option.value, offset,
length);
const auto data = ctx.ReadBuffer();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend->Write(offset, data.data(), length, option));
}
void IFile::Flush(HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend->Flush());
}
void IFile::SetSize(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 size = rp.Pop<u64>();
LOG_DEBUG(Service_FS, "called, size={}", size);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(backend->SetSize(size));
}
void IFile::GetSize(HLERequestContext& ctx) {
s64 size;
const auto result = backend->GetSize(&size);
LOG_DEBUG(Service_FS, "called, size={}", size);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(result);
rb.Push<u64>(size);
}
} // namespace Service::FileSystem
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