// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include "common/string_util.h"
#include "core/hle/service/bcat/bcat_result.h"
#include "core/hle/service/bcat/bcat_util.h"
#include "core/hle/service/bcat/delivery_cache_file_service.h"
#include "core/hle/service/cmif_serialization.h"
namespace Service::BCAT {
IDeliveryCacheFileService::IDeliveryCacheFileService(Core::System& system_,
FileSys::VirtualDir root_)
: ServiceFramework{system_, "IDeliveryCacheFileService"}, root(std::move(root_)) {
// clang-format off
static const FunctionInfo functions[] = {
{0, D<&IDeliveryCacheFileService::Open>, "Open"},
{1, D<&IDeliveryCacheFileService::Read>, "Read"},
{2, D<&IDeliveryCacheFileService::GetSize>, "GetSize"},
{3, D<&IDeliveryCacheFileService::GetDigest>, "GetDigest"},
};
// clang-format on
RegisterHandlers(functions);
}
IDeliveryCacheFileService::~IDeliveryCacheFileService() = default;
Result IDeliveryCacheFileService::Open(const DirectoryName& dir_name_raw,
const FileName& file_name_raw) {
const auto dir_name =
Common::StringFromFixedZeroTerminatedBuffer(dir_name_raw.data(), dir_name_raw.size());
const auto file_name =
Common::StringFromFixedZeroTerminatedBuffer(file_name_raw.data(), file_name_raw.size());
LOG_DEBUG(Service_BCAT, "called, dir_name={}, file_name={}", dir_name, file_name);
R_TRY(VerifyNameValidDir(dir_name_raw));
R_TRY(VerifyNameValidDir(file_name_raw));
R_UNLESS(current_file == nullptr, ResultEntityAlreadyOpen);
const auto dir = root->GetSubdirectory(dir_name);
R_UNLESS(dir != nullptr, ResultFailedOpenEntity);
current_file = dir->GetFile(file_name);
R_UNLESS(current_file != nullptr, ResultFailedOpenEntity);
R_SUCCEED();
}
Result IDeliveryCacheFileService::Read(Out<u64> out_buffer_size, u64 offset,
OutBuffer<BufferAttr_HipcMapAlias> out_buffer) {
LOG_DEBUG(Service_BCAT, "called, offset={:016X}, size={:016X}", offset, out_buffer.size());
R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
*out_buffer_size = std::min<u64>(current_file->GetSize() - offset, out_buffer.size());
const auto buffer = current_file->ReadBytes(*out_buffer_size, offset);
memcpy(out_buffer.data(), buffer.data(), buffer.size());
R_SUCCEED();
}
Result IDeliveryCacheFileService::GetSize(Out<u64> out_size) {
LOG_DEBUG(Service_BCAT, "called");
R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
*out_size = current_file->GetSize();
R_SUCCEED();
}
Result IDeliveryCacheFileService::GetDigest(Out<BcatDigest> out_digest) {
LOG_DEBUG(Service_BCAT, "called");
R_UNLESS(current_file != nullptr, ResultNoOpenEntry);
//*out_digest = DigestFile(current_file);
R_SUCCEED();
}
} // namespace Service::BCAT