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hle: service: sm: Refactor to better manage ports.

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This commit is contained in:
bunnei 2021-06-30 18:06:47 -07:00
parent b119363fc2
commit 7bd020e030
4 changed files with 47 additions and 45 deletions
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11
src/core/hle/service/service.cpp
View file

@ -104,23 +104,22 @@ ServiceFrameworkBase::~ServiceFrameworkBase() {
void ServiceFrameworkBase::InstallAsService(SM::ServiceManager& service_manager) {
const auto guard = LockService();
ASSERT(!port_installed);
ASSERT(!service_registered);
auto port = service_manager.RegisterService(service_name, max_sessions).Unwrap();
port->SetSessionHandler(shared_from_this());
port_installed = true;
service_manager.RegisterService(service_name, max_sessions, shared_from_this());
service_registered = true;
}
Kernel::KClientPort& ServiceFrameworkBase::CreatePort() {
const auto guard = LockService();
ASSERT(!port_installed);
ASSERT(!service_registered);
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(max_sessions, false, service_name);
port->GetServerPort().SetSessionHandler(shared_from_this());
port_installed = true;
service_registered = true;
return port->GetClientPort();
}

2
src/core/hle/service/service.h
View file

@ -125,7 +125,7 @@ private:
/// Flag to store if a port was already create/installed to detect multiple install attempts,
/// which is not supported.
bool port_installed = false;
bool service_registered = false;
/// Function used to safely up-cast pointers to the derived class before invoking a handler.
InvokerFn* handler_invoker;

65
src/core/hle/service/sm/sm.cpp
View file

@ -4,6 +4,7 @@
#include <tuple>
#include "common/assert.h"
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_client_port.h"
@ -40,17 +41,13 @@ static ResultCode ValidateServiceName(const std::string& name) {
}
Kernel::KClientPort& ServiceManager::InterfaceFactory(ServiceManager& self, Core::System& system) {
ASSERT(self.sm_interface.expired());
auto sm = std::make_shared<SM>(self, system);
self.sm_interface = sm;
self.sm_interface = std::make_shared<SM>(self, system);
self.controller_interface = std::make_unique<Controller>(system);
return sm->CreatePort();
return self.sm_interface->CreatePort();
}
ResultVal<Kernel::KServerPort*> ServiceManager::RegisterService(std::string name,
u32 max_sessions) {
ResultCode ServiceManager::RegisterService(std::string name, u32 max_sessions,
Kernel::SessionRequestHandlerPtr handler) {
CASCADE_CODE(ValidateServiceName(name));
@ -59,12 +56,9 @@ ResultVal<Kernel::KServerPort*> ServiceManager::RegisterService(std::string name
return ERR_ALREADY_REGISTERED;
}
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(max_sessions, false, name);
registered_services.emplace(std::move(name), handler);
registered_services.emplace(std::move(name), port);
return MakeResult(&port->GetServerPort());
return ResultSuccess;
}
ResultCode ServiceManager::UnregisterService(const std::string& name) {
@ -76,14 +70,11 @@ ResultCode ServiceManager::UnregisterService(const std::string& name) {
return ERR_SERVICE_NOT_REGISTERED;
}
iter->second->Close();
registered_services.erase(iter);
return ResultSuccess;
}
ResultVal<Kernel::KPort*> ServiceManager::GetServicePort(const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
auto it = registered_services.find(name);
if (it == registered_services.end()) {
@ -91,10 +82,13 @@ ResultVal<Kernel::KPort*> ServiceManager::GetServicePort(const std::string& name
return ERR_SERVICE_NOT_REGISTERED;
}
return MakeResult(it->second);
}
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(ServerSessionCountMax, false, name);
auto handler = it->second;
port->GetServerPort().SetSessionHandler(std::move(handler));
SM::~SM() = default;
return MakeResult(port);
}
/**
* SM::Initialize service function
@ -156,11 +150,15 @@ ResultVal<Kernel::KClientSession*> SM::GetServiceImpl(Kernel::HLERequestContext&
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, port_result.Code().raw);
return port_result.Code();
}
auto& port = port_result.Unwrap()->GetClientPort();
auto& port = port_result.Unwrap();
SCOPE_EXIT({ port->GetClientPort().Close(); });
server_ports.emplace_back(&port->GetServerPort());
// Create a new session.
Kernel::KClientSession* session{};
if (const auto result = port.CreateSession(std::addressof(session)); result.IsError()) {
if (const auto result = port->GetClientPort().CreateSession(std::addressof(session));
result.IsError()) {
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, result.raw);
return result;
}
@ -180,20 +178,21 @@ void SM::RegisterService(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_SM, "called with name={}, max_session_count={}, is_light={}", name,
max_session_count, is_light);
auto handle = service_manager.RegisterService(name, max_session_count);
if (handle.Failed()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}",
handle.Code().raw);
if (const auto result = service_manager.RegisterService(name, max_session_count, nullptr);
result.IsError()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}", result.raw);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(handle.Code());
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(handle.Code());
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(ServerSessionCountMax, is_light, name);
SCOPE_EXIT({ port->GetClientPort().Close(); });
auto server_port = handle.Unwrap();
rb.PushMoveObjects(server_port);
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(ResultSuccess);
rb.PushMoveObjects(port->GetServerPort());
}
void SM::UnregisterService(Kernel::HLERequestContext& ctx) {
@ -225,4 +224,10 @@ SM::SM(ServiceManager& service_manager_, Core::System& system_)
});
}
SM::~SM() {
for (auto& server_port : server_ports) {
server_port->Close();
}
}
} // namespace Service::SM

14
src/core/hle/service/sm/sm.h
View file

@ -49,6 +49,7 @@ private:
ServiceManager& service_manager;
bool is_initialized{};
Kernel::KernelCore& kernel;
std::vector<Kernel::KServerPort*> server_ports;
};
class ServiceManager {
@ -58,7 +59,8 @@ public:
explicit ServiceManager(Kernel::KernelCore& kernel_);
~ServiceManager();
ResultVal<Kernel::KServerPort*> RegisterService(std::string name, u32 max_sessions);
ResultCode RegisterService(std::string name, u32 max_sessions,
Kernel::SessionRequestHandlerPtr handler);
ResultCode UnregisterService(const std::string& name);
ResultVal<Kernel::KPort*> GetServicePort(const std::string& name);
@ -69,21 +71,17 @@ public:
LOG_DEBUG(Service, "Can't find service: {}", service_name);
return nullptr;
}
auto* port = service->second;
if (port == nullptr) {
return nullptr;
}
return std::static_pointer_cast<T>(port->GetServerPort().GetSessionRequestHandler());
return std::static_pointer_cast<T>(service->second);
}
void InvokeControlRequest(Kernel::HLERequestContext& context);
private:
std::weak_ptr<SM> sm_interface;
std::shared_ptr<SM> sm_interface;
std::unique_ptr<Controller> controller_interface;
/// Map of registered services, retrieved using GetServicePort.
std::unordered_map<std::string, Kernel::KPort*> registered_services;
std::unordered_map<std::string, Kernel::SessionRequestHandlerPtr> registered_services;
/// Kernel context
Kernel::KernelCore& kernel;