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https://github.com/Atmosphere-NX/Atmosphere
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tipc: implement service object interface generation
This commit is contained in:
Michael Scire
SciresM
parent
ec988c5a99
commit
315b7bdf22
4 changed files with 207 additions and 26 deletions
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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#include <stratosphere/tipc/tipc_service_object_base.hpp>
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#include <stratosphere/tipc/impl/tipc_impl_command_serialization.hpp>
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namespace ams::tipc::impl {
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template<typename T>
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concept HasDefaultServiceCommandProcessor = requires (T &t, const svc::ipc::MessageBuffer &message_buffer) {
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{ t.ProcessDefaultServiceCommand(message_buffer) } -> std::same_as<Result>;
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};
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struct SyncFunctionTraits {
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public:
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template<typename R, typename C, typename... A>
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static std::tuple<A...> GetArgsImpl(R(C::*)(A...));
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};
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template<auto F>
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using SyncFunctionArgsType = decltype(SyncFunctionTraits::GetArgsImpl(F));
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#define AMS_TIPC_IMPL_DEFINE_SYNC_METHOD_HOLDER(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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struct NAME##ArgumentsFunctionHolder { RETURN f ARGS; };
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#define AMS_TIPC_IMPL_EXTRACT_SYNC_METHOD_ARGUMENTS(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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using NAME##ArgumentsType = ::ams::tipc::impl::SyncFunctionArgsType<&NAME##ArgumentsFunctionHolder::f>;
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#define AMS_TIPC_IMPL_DEFINE_INTERFACE(BASECLASS, CLASSNAME, CMD_MACRO) \
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class CLASSNAME : public BASECLASS { \
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private: \
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CMD_MACRO(CLASSNAME, AMS_TIPC_IMPL_DEFINE_SYNC_METHOD_HOLDER) \
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public: \
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CMD_MACRO(CLASSNAME, AMS_TIPC_IMPL_EXTRACT_SYNC_METHOD_ARGUMENTS) \
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};
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#define AMS_TIPC_IMPL_DEFINE_CONCEPT_HELPERS(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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template<typename T, typename... Args> \
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concept Is##CLASSNAME##__##NAME##Impl = requires (T &t, Args &&... args) { \
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{ t.NAME(std::forward<Args>(args)...) } -> std::same_as<RETURN>; \
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}; \
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\
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template<typename T, typename A> \
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struct Is##CLASSNAME##__##NAME##Holder : std::false_type{}; \
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\
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template<typename T, typename... Args> requires std::same_as<std::tuple<Args...>, CLASSNAME::NAME##ArgumentsType> \
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struct Is##CLASSNAME##__##NAME##Holder<T, std::tuple<Args...>> : std::bool_constant<Is##CLASSNAME##__##NAME##Impl<T, Args...>>{}; \
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\
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template<typename T> \
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static constexpr inline bool Is##CLASSNAME##__##NAME = Is##CLASSNAME##__##NAME##Holder<T, CLASSNAME::NAME##ArgumentsType>::value;
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#define AMS_TIPC_IMPL_CHECK_CONCEPT_HELPER(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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Is##CLASSNAME##__##NAME<T> &&
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#define AMS_TIPC_IMPL_DEFINE_CONCEPT(CLASSNAME, CMD_MACRO) \
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CMD_MACRO(CLASSNAME, AMS_TIPC_IMPL_DEFINE_CONCEPT_HELPERS) \
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\
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template<typename T> \
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concept Is##CLASSNAME = CMD_MACRO(CLASSNAME, AMS_TIPC_IMPL_CHECK_CONCEPT_HELPER) true;
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#define AMS_TIPC_IMPL_PROCESS_METHOD_REQUEST(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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if (constexpr u16 TipcCommandId = CMD_ID + 0x10; tag == TipcCommandId) { \
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return this->ProcessMethodById<TipcCommandId, ImplType>(impl, message_buffer, fw_ver); \
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}
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#define AMS_TIPC_IMPL_PROCESS_METHOD_REQUEST_BY_ID(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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if constexpr (constexpr u16 TipcCommandId = CMD_ID + 0x10; CommandId == TipcCommandId) { \
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constexpr bool AlwaysValid = VERSION_MIN == hos::Version_Min && VERSION_MAX == hos::Version_Max; \
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if (AlwaysValid || (VERSION_MIN <= fw_ver && fw_ver <= VERSION_MAX)) { \
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return ::ams::tipc::impl::InvokeServiceCommandImpl<TipcCommandId, &ImplType::NAME, ImplType>(impl, message_buffer); \
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} \
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}
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#define AMS_TIPC_DEFINE_INTERFACE_WITH_DEFAULT_BASE(NAMESPACE, INTERFACE, BASE, CMD_MACRO) \
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namespace NAMESPACE { \
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\
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AMS_TIPC_IMPL_DEFINE_INTERFACE(BASE, INTERFACE, CMD_MACRO) \
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AMS_TIPC_IMPL_DEFINE_CONCEPT(INTERFACE, CMD_MACRO) \
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\
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} \
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\
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namespace ams::tipc::impl { \
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\
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template<typename Base, typename ImplHolder, typename ImplGetter, typename Root> \
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class ImplTemplateBaseT<::NAMESPACE::INTERFACE, Base, ImplHolder, ImplGetter, Root> : public Base, public ImplHolder { \
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public: \
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template<typename... Args> \
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constexpr explicit ImplTemplateBaseT(Args &&...args) : ImplHolder(std::forward<Args>(args)...) { /* ... */ } \
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private: \
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template<typename ImplType> \
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ALWAYS_INLINE Result ProcessDefaultMethod(ImplType *impl, const svc::ipc::MessageBuffer &message_buffer) const { \
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/* Handle a default command. */ \
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if constexpr (HasDefaultServiceCommandProcessor<ImplType>) { \
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return impl->ProcessDefaultServiceCommand(message_buffer); \
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} else { \
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return tipc::ResultInvalidMethod(); \
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} \
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} \
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\
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template<u16 CommandId, typename ImplType> \
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ALWAYS_INLINE Result ProcessMethodById(ImplType *impl, const svc::ipc::MessageBuffer &message_buffer, hos::Version fw_ver) const { \
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CMD_MACRO(ImplType, AMS_TIPC_IMPL_PROCESS_METHOD_REQUEST_BY_ID) \
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\
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return this->ProcessDefaultMethod<ImplType>(impl, message_buffer); \
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} \
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public: \
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virtual Result ProcessRequest() override { \
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/* Get the implementation object. */ \
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auto * const impl = ImplGetter::GetImplPointer(static_cast<ImplHolder *>(this)); \
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\
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/* Get the implementation type. */ \
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using ImplType = typename std::remove_reference<decltype(*impl)>::type; \
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static_assert(::NAMESPACE::Is##INTERFACE<ImplType>); \
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\
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/* Get accessor to the message buffer. */ \
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svc::ipc::MessageBuffer message_buffer(svc::ipc::GetMessageBuffer()); \
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\
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/* Get decision variables. */ \
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const auto tag = svc::ipc::MessageBuffer::MessageHeader(message_buffer).GetTag(); \
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const auto fw_ver = hos::GetVersion(); \
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\
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/* Process against the command ids. */ \
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if (false) { } \
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CMD_MACRO(ImplType, AMS_TIPC_IMPL_PROCESS_METHOD_REQUEST) \
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else { \
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return this->ProcessDefaultMethod<ImplType>(impl, message_buffer); \
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} \
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} \
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}; \
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\
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}
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#define AMS_TIPC_DEFINE_INTERFACE(NAMESPACE, INTERFACE, CMD_MACRO) \
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AMS_TIPC_DEFINE_INTERFACE_WITH_DEFAULT_BASE(NAMESPACE, INTERFACE, ::ams::tipc::ServiceObjectBase, CMD_MACRO)
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#define AMS_TIPC_METHOD_INFO_7(CLASSNAME, HANDLER, CMD_ID, RETURN, NAME, ARGS, ARGNAMES) \
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HANDLER(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, hos::Version_Min, hos::Version_Max)
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#define AMS_TIPC_METHOD_INFO_8(CLASSNAME, HANDLER, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN) \
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HANDLER(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, hos::Version_Max)
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#define AMS_TIPC_METHOD_INFO_9(CLASSNAME, HANDLER, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX) \
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HANDLER(CLASSNAME, CMD_ID, RETURN, NAME, ARGS, ARGNAMES, VERSION_MIN, VERSION_MAX)
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#define AMS_TIPC_METHOD_INFO_X(_, _0, _1, _2, _3, _4, _5, _6, _7, _8, FUNC, ...) FUNC
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#define AMS_TIPC_METHOD_INFO(...) \
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AMS_TIPC_METHOD_INFO_X(, ## __VA_ARGS__, AMS_TIPC_METHOD_INFO_9(__VA_ARGS__), AMS_TIPC_METHOD_INFO_8(__VA_ARGS__), AMS_TIPC_METHOD_INFO_7(__VA_ARGS__))
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}
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@ -237,8 +237,11 @@ namespace ams::tipc::impl {
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size_t out_copy_handle_index;
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};
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template<u16 _CommandId, typename ArgumentsTuple>
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struct CommandMetaInfo;
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template<u16 _CommandId, typename... Arguments>
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struct CommandMetaInfo {
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struct CommandMetaInfo<_CommandId, std::tuple<Arguments...>> {
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public:
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static constexpr u16 CommandId = _CommandId;
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@ -587,10 +590,22 @@ namespace ams::tipc::impl {
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}
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};
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template<auto ServiceCommandImpl, u16 _CommmandId, typename Return, typename ClassType, typename... Arguments>
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struct FunctionTraits {
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public:
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template<typename R, typename C, typename... A>
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static std::tuple<A...> GetArgumentsImpl(R(C::*)(A...));
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template<typename R, typename C, typename... A>
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static R GetReturnImpl(R(C::*)(A...));
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};
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template<u16 _CommmandId, auto ServiceCommandImpl, typename ClassType>
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constexpr ALWAYS_INLINE Result InvokeServiceCommandImpl(ClassType *object, const svc::ipc::MessageBuffer &message_buffer) {
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using CommandMeta = CommandMetaInfo<_CommmandId, Arguments...>;
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using Processor = CommandProcessor<CommandMeta>;
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using Return = decltype(FunctionTraits::GetReturnImpl(ServiceCommandImpl));
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using TrueArgumentsTuple = decltype(FunctionTraits::GetArgumentsImpl(ServiceCommandImpl));
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using CommandMeta = CommandMetaInfo<_CommmandId, TrueArgumentsTuple>;
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using Processor = CommandProcessor<CommandMeta>;
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/* TODO: ValidateClassType is valid? */
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constexpr bool ReturnsResult = std::is_same<Return, Result>::value;
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@ -606,8 +621,6 @@ namespace ams::tipc::impl {
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const Result command_result = [&]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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auto args_tuple = Processor::DeserializeArguments(message_buffer, out_raw_holder, out_handles_holder);
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using TrueArgumentsTuple = std::tuple<Arguments...>;
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if constexpr (ReturnsResult) {
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return (object->*ServiceCommandImpl)(std::forward<typename std::tuple_element<Ix, TrueArgumentsTuple>::type>(std::get<Ix>(args_tuple))...);
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} else {
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@ -24,7 +24,8 @@ namespace ams::tipc {
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template<typename Impl>
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class EmplacedImplHolderBaseGetter {
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using Type = Impl;
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public:
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using Type = Impl;
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};
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template<typename Impl>
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@ -14,6 +14,16 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include <stratosphere/tipc/impl/tipc_autogen_interface_macros.hpp>
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#define AMS_TEST_I_USER_INTERFACE_INTERFACE_INFO(C, H) \
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AMS_TIPC_METHOD_INFO(C, H, 0, Result, RegisterClient, (const tipc::ClientProcessId &client_process_id), (client_process_id)) \
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AMS_TIPC_METHOD_INFO(C, H, 1, Result, GetServiceHandle, (tipc::OutMoveHandle out_h, sm::ServiceName service), (out_h, service)) \
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AMS_TIPC_METHOD_INFO(C, H, 2, Result, RegisterService, (tipc::OutMoveHandle out_h, sm::ServiceName service, u32 max_sessions, bool is_light), (out_h, service, max_sessions, is_light)) \
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AMS_TIPC_METHOD_INFO(C, H, 3, Result, UnregisterService, (sm::ServiceName service), (service))
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AMS_TIPC_DEFINE_INTERFACE(ams::_test::impl, IUserInterface, AMS_TEST_I_USER_INTERFACE_INTERFACE_INFO)
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namespace ams::_test {
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@ -24,39 +34,31 @@ namespace ams::_test {
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Result RegisterService(tipc::OutMoveHandle out_h, sm::ServiceName service, u32 max_sessions, bool is_light);
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Result UnregisterService(sm::ServiceName service);
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};
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static_assert(impl::IsIUserInterface<UserInterfaceFacade>);
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Result TestRegisterClient(UserInterfaceFacade *facade, const svc::ipc::MessageBuffer &message_buffer) {
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::RegisterClient, 16, Result, UserInterfaceFacade, const tipc::ClientProcessId &>(facade, message_buffer);
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}
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Result TestGetServiceHandle(UserInterfaceFacade *facade, const svc::ipc::MessageBuffer &message_buffer) {
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::GetServiceHandle, 17, Result, UserInterfaceFacade, tipc::OutMoveHandle, sm::ServiceName>(facade, message_buffer);
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}
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Result TestRegisterService(UserInterfaceFacade *facade, const svc::ipc::MessageBuffer &message_buffer) {
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::RegisterService, 18, Result, UserInterfaceFacade, tipc::OutMoveHandle, sm::ServiceName, u32, bool>(facade, message_buffer);
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}
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Result TestUnregisterService(UserInterfaceFacade *facade, const svc::ipc::MessageBuffer &message_buffer) {
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::UnregisterService, 19, Result, UserInterfaceFacade, sm::ServiceName>(facade, message_buffer);
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}
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Result TestManualDispatch(UserInterfaceFacade *facade) {
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svc::ipc::MessageBuffer message_buffer(svc::ipc::GetMessageBuffer());
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switch (svc::ipc::MessageBuffer::MessageHeader(message_buffer).GetTag()) {
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case 16:
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::RegisterClient, 16, Result, UserInterfaceFacade, const tipc::ClientProcessId &>(facade, message_buffer);
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return tipc::impl::InvokeServiceCommandImpl<16, &UserInterfaceFacade::RegisterClient, UserInterfaceFacade>(facade, message_buffer);
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case 17:
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::GetServiceHandle, 17, Result, UserInterfaceFacade, tipc::OutMoveHandle, sm::ServiceName>(facade, message_buffer);
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return tipc::impl::InvokeServiceCommandImpl<17, &UserInterfaceFacade::GetServiceHandle, UserInterfaceFacade>(facade, message_buffer);
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case 18:
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::RegisterService, 18, Result, UserInterfaceFacade, tipc::OutMoveHandle, sm::ServiceName, u32, bool>(facade, message_buffer);
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return tipc::impl::InvokeServiceCommandImpl<18, &UserInterfaceFacade::RegisterService, UserInterfaceFacade>(facade, message_buffer);
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case 19:
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return tipc::impl::InvokeServiceCommandImpl<&UserInterfaceFacade::UnregisterService, 19, Result, UserInterfaceFacade, sm::ServiceName>(facade, message_buffer);
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return tipc::impl::InvokeServiceCommandImpl<19, &UserInterfaceFacade::UnregisterService, UserInterfaceFacade>(facade, message_buffer);
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default:
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return tipc::ResultInvalidMethod();
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}
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}
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using UserInterfaceObject = ::ams::tipc::ServiceObject<impl::IUserInterface, UserInterfaceFacade>;
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Result TestAutomaticDispatch(UserInterfaceObject *object) {
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return object->ProcessRequest();
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}
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}
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