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https://github.com/Atmosphere-NX/Atmosphere.git
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sf: alter serialization to re-use as much logic as possible
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parent
d2f81d2ca2
commit
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1 changed files with 35 additions and 23 deletions
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@ -368,18 +368,11 @@ namespace ams::sf::impl {
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size_t out_object_index;
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};
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template<auto MemberFunction, typename Return, typename Class, typename... Arguments>
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template<typename... Arguments>
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struct CommandMetaInfo {
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public:
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using ReturnType = Return;
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using ClassType = Class;
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using ClassTypePointer = ClassType *;
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using ArgsType = std::tuple<typename std::decay<Arguments>::type...>;
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static constexpr bool ReturnsResult = std::is_same<ReturnType, Result>::value;
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static constexpr bool ReturnsVoid = std::is_same<ReturnType, void>::value;
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static_assert(ReturnsResult || ReturnsVoid, "Service Commands must return Result or void.");
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using InDatas = TupleFilter<InDataFilter>::FilteredType<ArgsType>;
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using OutDatas = TupleFilter<OutDataFilter>::FilteredType<ArgsType>;
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using Buffers = TupleFilter<BufferFilter>::FilteredType<ArgsType>;
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@ -1036,15 +1029,13 @@ namespace ams::sf::impl {
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return ResultSuccess();
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}
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template<auto ServiceCommandImpl, typename Return, typename ClassType, typename... Arguments>
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constexpr Result InvokeServiceCommandImpl(CmifOutHeader **out_header_ptr, cmif::ServiceDispatchContext &ctx, const cmif::PointerAndSize &in_raw_data) {
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using CommandMeta = CommandMetaInfo<ServiceCommandImpl, Return, ClassType, Arguments...>;
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template<typename CommandMeta, typename... Arguments>
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constexpr Result InvokeServiceCommandImplCommon(CmifOutHeader **out_header_ptr, cmif::ServiceDispatchContext &ctx, const cmif::PointerAndSize &in_raw_data, Result (*invoke_impl)(sf::IServiceObject *, Arguments &&...)) {
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using ImplProcessorType = HipcCommandProcessor<CommandMeta>;
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using BufferArrayType = std::array<cmif::PointerAndSize, CommandMeta::NumBuffers>;
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using OutHandleHolderType = OutHandleHolder<CommandMeta::NumOutMoveHandles, CommandMeta::NumOutCopyHandles>;
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using OutRawHolderType = OutRawHolder<CommandMeta::OutDataSize, CommandMeta::OutDataAlign>;
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using InOutObjectHolderType = InOutObjectHolder<CommandMeta::NumInObjects, CommandMeta::NumOutObjects>;
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static_assert(std::is_base_of<sf::IServiceObject, typename CommandMeta::ClassType>::value, "InvokeServiceCommandImpl: Service Commands must be ServiceObject member functions");
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/* Create a processor for us to work with. */
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ImplProcessorType impl_processor;
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@ -1076,7 +1067,6 @@ namespace ams::sf::impl {
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/* Decoding/Invocation. */
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{
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typename CommandMeta::ClassTypePointer this_ptr = static_cast<typename CommandMeta::ClassTypePointer>(ctx.srv_obj);
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typename CommandMeta::ArgsType args_tuple = ImplProcessorType::DeserializeArguments(ctx, in_raw_data, out_raw_holder, buffers, out_handles_holder, in_out_objects_holder);
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/* Handle in process ID holder if relevant. */
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@ -1103,16 +1093,18 @@ namespace ams::sf::impl {
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#undef _SF_IMPL_PROCESSOR_MARSHAL_PROCESS_ID
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}
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if constexpr (CommandMeta::ReturnsResult) {
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const auto command_result = std::apply([=](auto&&... args) { return (this_ptr->*ServiceCommandImpl)(std::forward<Arguments>(args)...); }, args_tuple);
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if (R_FAILED(command_result)) {
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cmif::PointerAndSize out_raw_data;
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ctx.processor->PrepareForErrorReply(ctx, out_raw_data, runtime_metadata);
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R_TRY(GetCmifOutHeaderPointer(out_header_ptr, out_raw_data));
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return command_result;
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}
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} else {
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std::apply([=](auto&&... args) { (this_ptr->*ServiceCommandImpl)(std::forward<Arguments>(args)...); }, args_tuple);
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using TrueArgumentsTuple = std::tuple<Arguments...>;
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sf::IServiceObject * const this_ptr = ctx.srv_obj;
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const auto command_result = [this_ptr, invoke_impl, &args_tuple]<size_t ...Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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return invoke_impl(this_ptr, std::forward<typename std::tuple_element<Ix, TrueArgumentsTuple>::type>(std::get<Ix>(args_tuple))...);
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}(std::make_index_sequence<std::tuple_size<typename CommandMeta::ArgsType>::value>());
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if (R_FAILED(command_result)) {
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cmif::PointerAndSize out_raw_data;
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ctx.processor->PrepareForErrorReply(ctx, out_raw_data, runtime_metadata);
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R_TRY(GetCmifOutHeaderPointer(out_header_ptr, out_raw_data));
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return command_result;
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}
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}
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@ -1137,6 +1129,26 @@ namespace ams::sf::impl {
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return ResultSuccess();
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}
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template<auto ServiceCommandImpl, typename Return, typename ClassType, typename... Arguments>
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constexpr Result InvokeServiceCommandImpl(CmifOutHeader **out_header_ptr, cmif::ServiceDispatchContext &ctx, const cmif::PointerAndSize &in_raw_data) {
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using CommandMeta = CommandMetaInfo<Arguments...>;
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static_assert(std::is_base_of<sf::IServiceObject, ClassType>::value, "InvokeServiceCommandImpl: Service Commands must be ServiceObject member functions");
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constexpr bool ReturnsResult = std::is_same<Return, Result>::value;
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constexpr bool ReturnsVoid = std::is_same<Return, void>::value;
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static_assert(ReturnsResult || ReturnsVoid, "Service Commands must return Result or void.");
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return InvokeServiceCommandImplCommon<CommandMeta, Arguments...>(out_header_ptr, ctx, in_raw_data, +[](sf::IServiceObject *srv_obj, Arguments &&... args) -> Result {
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if constexpr (ReturnsResult) {
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return (static_cast<ClassType *>(srv_obj)->*ServiceCommandImpl)(std::forward<Arguments>(args)...);
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} else {
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(static_cast<ClassType *>(srv_obj)->*ServiceCommandImpl)(std::forward<Arguments>(args)...);
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return ResultSuccess();
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}
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});
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}
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}
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namespace ams::sf::impl {
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