yuzu/src/core/hle/service/sm/sm.cpp
Lioncash 7c9644646f
general: Make formatting of logged hex values more straightforward
This makes the formatting expectations more obvious (e.g. any zero padding specified
is padding that's entirely dedicated to the value being printed, not any pretty-printing
that also gets tacked on).
2018-05-02 09:49:36 -04:00

136 lines
4.3 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include "common/assert.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/result.h"
#include "core/hle/service/sm/controller.h"
#include "core/hle/service/sm/sm.h"
namespace Service::SM {
ServiceManager::~ServiceManager() = default;
void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
controller_interface->InvokeRequest(context);
}
static ResultCode ValidateServiceName(const std::string& name) {
if (name.size() <= 0 || name.size() > 8) {
return ERR_INVALID_NAME_SIZE;
}
if (name.find('\0') != std::string::npos) {
return ERR_NAME_CONTAINS_NUL;
}
return RESULT_SUCCESS;
}
void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self) {
ASSERT(self->sm_interface.expired());
auto sm = std::make_shared<SM>(self);
sm->InstallAsNamedPort();
self->sm_interface = sm;
self->controller_interface = std::make_unique<Controller>();
}
ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService(
std::string name, unsigned int max_sessions) {
CASCADE_CODE(ValidateServiceName(name));
if (registered_services.find(name) != registered_services.end())
return ERR_ALREADY_REGISTERED;
Kernel::SharedPtr<Kernel::ServerPort> server_port;
Kernel::SharedPtr<Kernel::ClientPort> client_port;
std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name);
registered_services.emplace(std::move(name), std::move(client_port));
return MakeResult<Kernel::SharedPtr<Kernel::ServerPort>>(std::move(server_port));
}
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> ServiceManager::GetServicePort(
const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
auto it = registered_services.find(name);
if (it == registered_services.end()) {
return ERR_SERVICE_NOT_REGISTERED;
}
return MakeResult<Kernel::SharedPtr<Kernel::ClientPort>>(it->second);
}
ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ServiceManager::ConnectToService(
const std::string& name) {
CASCADE_RESULT(auto client_port, GetServicePort(name));
return client_port->Connect();
}
SM::~SM() = default;
/**
* SM::Initialize service function
* Inputs:
* 0: 0x00000000
* Outputs:
* 0: ResultCode
*/
void SM::Initialize(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
NGLOG_DEBUG(Service_SM, "called");
}
void SM::GetService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto name_buf = rp.PopRaw<std::array<char, 8>>();
auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
std::string name(name_buf.begin(), end);
// TODO(yuriks): Permission checks go here
auto client_port = service_manager->GetServicePort(name);
if (client_port.Failed()) {
IPC::ResponseBuilder rb = rp.MakeBuilder(2, 0, 0);
rb.Push(client_port.Code());
NGLOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name,
client_port.Code().raw);
if (name.length() == 0)
return; // LibNX Fix
UNIMPLEMENTED();
return;
}
auto session = client_port.Unwrap()->Connect();
ASSERT(session.Succeeded());
if (session.Succeeded()) {
NGLOG_DEBUG(Service_SM, "called service={} -> session={}", name, (*session)->GetObjectId());
IPC::ResponseBuilder rb =
rp.MakeBuilder(2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles);
rb.Push(session.Code());
rb.PushMoveObjects(std::move(session).Unwrap());
}
}
SM::SM(std::shared_ptr<ServiceManager> service_manager)
: ServiceFramework("sm:", 4), service_manager(std::move(service_manager)) {
static const FunctionInfo functions[] = {
{0x00000000, &SM::Initialize, "Initialize"},
{0x00000001, &SM::GetService, "GetService"},
{0x00000002, nullptr, "RegisterService"},
{0x00000003, nullptr, "UnregisterService"},
};
RegisterHandlers(functions);
}
} // namespace Service::SM