Atmosphere/libraries/libstratosphere/source/erpt/srv/erpt_srv_service.cpp

154 lines
7 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "erpt_srv_service.hpp"
#include "erpt_srv_context_impl.hpp"
#include "erpt_srv_session_impl.hpp"
#include "erpt_srv_stream.hpp"
#include "erpt_srv_forced_shutdown.hpp"
namespace ams::erpt::srv {
extern ams::sf::ExpHeapAllocator g_sf_allocator;
namespace {
struct ErrorReportServerOptions {
static constexpr size_t PointerBufferSize = 0;
static constexpr size_t MaxDomains = 64;
static constexpr size_t MaxDomainObjects = 2 * ReportCountMax + 5 + 2;
static constexpr bool CanDeferInvokeRequest = false;
static constexpr bool CanManageMitmServers = false;
};
constexpr inline size_t ErrorReportNumServers = 2;
constexpr inline size_t ErrorReportReportSessions = 5;
constexpr inline size_t ErrorReportContextSessions = 10;
constexpr inline size_t ErrorReportMaxSessions = ErrorReportReportSessions + ErrorReportContextSessions;
constexpr inline sm::ServiceName ErrorReportContextServiceName = sm::ServiceName::Encode("erpt:c");
constexpr inline sm::ServiceName ErrorReportReportServiceName = sm::ServiceName::Encode("erpt:r");
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread_stack[16_KB];
enum PortIndex {
PortIndex_Report,
PortIndex_Context,
};
class ErrorReportServiceManager : public ams::sf::hipc::ServerManager<ErrorReportNumServers, ErrorReportServerOptions, ErrorReportMaxSessions> {
private:
os::ThreadType m_thread;
ams::sf::UnmanagedServiceObject<erpt::sf::IContext, erpt::srv::ContextImpl> m_context_session_object;
private:
static void ThreadFunction(void *_this) {
reinterpret_cast<ErrorReportServiceManager *>(_this)->SetupAndLoopProcess();
}
void SetupAndLoopProcess();
virtual Result OnNeedsToAccept(int port_index, Server *server) override {
switch (port_index) {
case PortIndex_Report:
{
auto intf = ams::sf::ObjectFactory<ams::sf::ExpHeapAllocator::Policy>::CreateSharedEmplaced<erpt::sf::ISession, erpt::srv::SessionImpl>(std::addressof(g_sf_allocator));
AMS_ABORT_UNLESS(intf != nullptr);
R_RETURN(this->AcceptImpl(server, intf));
}
case PortIndex_Context:
R_RETURN(AcceptImpl(server, m_context_session_object.GetShared()));
default:
R_THROW(erpt::ResultNotSupported());
}
}
public:
Result Initialize() {
R_ABORT_UNLESS(this->RegisterServer(PortIndex_Context, ErrorReportContextServiceName, ErrorReportContextSessions));
R_ABORT_UNLESS(this->RegisterServer(PortIndex_Report, ErrorReportReportServiceName, ErrorReportReportSessions));
this->ResumeProcessing();
R_ABORT_UNLESS(os::CreateThread(std::addressof(m_thread), ThreadFunction, this, g_server_thread_stack, sizeof(g_server_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(erpt, IpcServer)));
os::SetThreadNamePointer(std::addressof(m_thread), AMS_GET_SYSTEM_THREAD_NAME(erpt, IpcServer));
os::StartThread(std::addressof(m_thread));
R_SUCCEED();
}
void Wait() {
os::WaitThread(std::addressof(m_thread));
}
};
void ErrorReportServiceManager::SetupAndLoopProcess() {
const psc::PmModuleId dependencies[] = { psc::PmModuleId_Fs };
psc::PmModule pm_module;
psc::PmState pm_state;
psc::PmFlagSet pm_flags;
os::MultiWaitHolderType module_event_holder;
R_ABORT_UNLESS(pm_module.Initialize(psc::PmModuleId_Erpt, dependencies, util::size(dependencies), os::EventClearMode_ManualClear));
os::InitializeMultiWaitHolder(std::addressof(module_event_holder), pm_module.GetEventPointer()->GetBase());
os::SetMultiWaitHolderUserData(std::addressof(module_event_holder), static_cast<uintptr_t>(psc::PmModuleId_Erpt));
this->AddUserMultiWaitHolder(std::addressof(module_event_holder));
while (true) {
/* NOTE: Nintendo checks the user holder data to determine what's signaled, we will prefer to just check the address. */
auto *signaled_holder = this->WaitSignaled();
if (signaled_holder != std::addressof(module_event_holder)) {
R_ABORT_UNLESS(this->Process(signaled_holder));
} else {
pm_module.GetEventPointer()->Clear();
if (R_SUCCEEDED(pm_module.GetRequest(std::addressof(pm_state), std::addressof(pm_flags)))) {
switch (pm_state) {
case psc::PmState_FullAwake:
case psc::PmState_MinimumAwake:
Stream::EnableFsAccess(true);
break;
case psc::PmState_ShutdownReady:
FinalizeForcedShutdownDetection();
[[fallthrough]];
case psc::PmState_SleepReady:
Stream::EnableFsAccess(false);
break;
default:
break;
}
R_ABORT_UNLESS(pm_module.Acknowledge(pm_state, ResultSuccess()));
} else {
AMS_ASSERT(false);
}
this->AddUserMultiWaitHolder(signaled_holder);
}
}
}
constinit util::TypedStorage<ErrorReportServiceManager> g_erpt_server_manager = {};
}
Result InitializeService() {
util::ConstructAt(g_erpt_server_manager);
R_RETURN(util::GetReference(g_erpt_server_manager).Initialize());
}
void WaitService() {
return util::GetReference(g_erpt_server_manager).Wait();
}
}