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// 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/control_metadata.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/aoc/aoc_u.h"
#include "core/loader/loader.h"
#include "core/settings.h"
namespace Service::AOC {
constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
constexpr u64 DLC_BASE_TO_AOC_ID = 0x1000;
static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
return (title_id & DLC_BASE_TITLE_ID_MASK) == base;
}
static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
std::vector<u64> add_on_content;
const auto& rcu = system.GetContentProvider();
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::ContentProviderEntry& 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(Core::System& system)
: ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs(system)), system(system) {
// clang-format off
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, &AOC_U::GetAddOnContentListChangedEvent, "GetAddOnContentListChangedEvent"},
{100, nullptr, "CreateEcPurchasedEventManager"},
};
// clang-format on
RegisterHandlers(functions);
auto& kernel = system.Kernel();
aoc_change_event =
Kernel::WritableEvent::CreateEventPair(kernel, "GetAddOnContentListChanged:Event");
}
AOC_U::~AOC_U() = default;
void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
struct Parameters {
u64 process_id;
};
static_assert(sizeof(Parameters) == 8);
IPC::RequestParser rp{ctx};
const auto params = rp.PopRaw<Parameters>();
LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
const auto current = system.CurrentProcess()->GetTitleID();
const auto& disabled = Settings::values.disabled_addons[current];
if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end()) {
rb.Push<u32>(0);
return;
}
rb.Push<u32>(static_cast<u32>(
std::count_if(add_on_content.begin(), add_on_content.end(),
[current](u64 tid) { return CheckAOCTitleIDMatchesBase(tid, current); })));
}
void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
struct Parameters {
u32 offset;
u32 count;
u64 process_id;
};
static_assert(sizeof(Parameters) == 16);
IPC::RequestParser rp{ctx};
const auto [offset, count, process_id] = rp.PopRaw<Parameters>();
LOG_DEBUG(Service_AOC, "called with offset={}, count={}, process_id={}", offset, count,
process_id);
const auto current = system.CurrentProcess()->GetTitleID();
std::vector<u32> out;
const auto& disabled = Settings::values.disabled_addons[current];
if (std::find(disabled.begin(), disabled.end(), "DLC") == disabled.end()) {
for (u64 content_id : add_on_content) {
if ((content_id & DLC_BASE_TITLE_ID_MASK) != current) {
continue;
}
out.push_back(static_cast<u32>(content_id & 0x7FF));
}
}
if (out.size() < offset) {
IPC::ResponseBuilder rb{ctx, 2};
// TODO(DarkLordZach): Find the correct error code.
rb.Push(ResultCode(-1));
return;
}
const auto out_count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
std::rotate(out.begin(), out.begin() + offset, out.end());
out.resize(out_count);
ctx.WriteBuffer(out);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push(out_count);
}
void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
struct Parameters {
u64 process_id;
};
static_assert(sizeof(Parameters) == 8);
IPC::RequestParser rp{ctx};
const auto params = rp.PopRaw<Parameters>();
LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
const auto title_id = system.CurrentProcess()->GetTitleID();
FileSys::PatchManager pm{title_id};
const auto res = pm.GetControlMetadata();
if (res.first == nullptr) {
rb.Push(title_id + DLC_BASE_TO_AOC_ID);
return;
}
rb.Push(res.first->GetDLCBaseTitleId());
}
void AOC_U::PrepareAddOnContent(Kernel::HLERequestContext& ctx) {
struct Parameters {
s32 addon_index;
u64 process_id;
};
static_assert(sizeof(Parameters) == 16);
IPC::RequestParser rp{ctx};
const auto [addon_index, process_id] = rp.PopRaw<Parameters>();
LOG_WARNING(Service_AOC, "(STUBBED) called with addon_index={}, process_id={}", addon_index,
process_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void AOC_U::GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_AOC, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(aoc_change_event.readable);
}
void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
std::make_shared<AOC_U>(system)->InstallAsService(service_manager);
}
} // namespace Service::AOC
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