// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <numeric>
#include <vector>
#include "common/logging/log.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/partition_filesystem.h"
#include "core/file_sys/registered_cache.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/aoc/aoc_u.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
namespace Service::AOC {
constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
constexpr u64 DLC_BASE_TO_AOC_ID_MASK = 0x1000;
static bool CheckAOCTitleIDMatchesBase(u64 base, u64 aoc) {
return (aoc & DLC_BASE_TITLE_ID_MASK) == base;
}
static std::vector<u64> AccumulateAOCTitleIDs() {
std::vector<u64> add_on_content;
const auto rcu = FileSystem::GetUnionContents();
const auto list =
rcu->ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
std::transform(list.begin(), list.end(), std::back_inserter(add_on_content),
[](const FileSys::RegisteredCacheEntry& rce) { return rce.title_id; });
add_on_content.erase(
std::remove_if(
add_on_content.begin(), add_on_content.end(),
[&rcu](u64 tid) {
return rcu->GetEntry(tid, FileSys::ContentRecordType::Data)->GetStatus() !=
Loader::ResultStatus::Success;
}),
add_on_content.end());
return add_on_content;
}
AOC_U::AOC_U() : ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs()) {
static const FunctionInfo functions[] = {
{0, nullptr, "CountAddOnContentByApplicationId"},
{1, nullptr, "ListAddOnContentByApplicationId"},
{2, &AOC_U::CountAddOnContent, "CountAddOnContent"},
{3, &AOC_U::ListAddOnContent, "ListAddOnContent"},
{4, nullptr, "GetAddOnContentBaseIdByApplicationId"},
{5, &AOC_U::GetAddOnContentBaseId, "GetAddOnContentBaseId"},
{6, nullptr, "PrepareAddOnContentByApplicationId"},
{7, &AOC_U::PrepareAddOnContent, "PrepareAddOnContent"},
{8, nullptr, "GetAddOnContentListChangedEvent"},
};
RegisterHandlers(functions);
}
AOC_U::~AOC_U() = default;
void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
const auto current = Core::System::GetInstance().CurrentProcess()->GetTitleID();
rb.Push<u32>(std::count_if(add_on_content.begin(), add_on_content.end(), [¤t](u64 tid) {
return (tid & DLC_BASE_TITLE_ID_MASK) == current;
}));
}
void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto offset = rp.PopRaw<u32>();
auto count = rp.PopRaw<u32>();
const auto current = Core::System::GetInstance().CurrentProcess()->GetTitleID();
std::vector<u32> out;
for (size_t i = 0; i < add_on_content.size(); ++i) {
if ((add_on_content[i] & DLC_BASE_TITLE_ID_MASK) == current)
out.push_back(static_cast<u32>(add_on_content[i] & 0x7FF));
}
if (out.size() <= offset) {
IPC::ResponseBuilder rb{ctx, 2};
// TODO(DarkLordZach): Find the correct error code.
rb.Push(ResultCode(-1));
return;
}
count = std::min<size_t>(out.size() - offset, count);
std::rotate(out.begin(), out.begin() + offset, out.end());
out.resize(count);
ctx.WriteBuffer(out);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(Core::System::GetInstance().CurrentProcess()->GetTitleID() | DLC_BASE_TO_AOC_ID_MASK);
}
void AOC_U::PrepareAddOnContent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto aoc_id = rp.PopRaw<u32>();
LOG_WARNING(Service_AOC, "(STUBBED) called with aoc_id={:08X}", aoc_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void InstallInterfaces(SM::ServiceManager& service_manager) {
std::make_shared<AOC_U>()->InstallAsService(service_manager);
}
} // namespace Service::AOC