sm: Implement RegisterService and UnregisterService

These are needed by Edizon to boot. They are used to see if a user is using SX OS, as SX OS registers a custom service called 'tx' and attempting to register a service of the same name lets the application know if it is present.
This commit is contained in:
Zach Hilman 2018-11-03 20:02:18 -04:00
parent 6664d7b2c5
commit 0080a8da58
2 changed files with 55 additions and 2 deletions

View File

@ -63,6 +63,17 @@ ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService
return MakeResult<Kernel::SharedPtr<Kernel::ServerPort>>(std::move(server_port));
}
ResultCode ServiceManager::UnregisterService(std::string name) {
CASCADE_CODE(ValidateServiceName(name));
const auto iter = registered_services.find(name);
if (iter == registered_services.end())
return ERR_SERVICE_NOT_REGISTERED;
registered_services.erase(iter);
return RESULT_SUCCESS;
}
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> ServiceManager::GetServicePort(
const std::string& name) {
@ -127,13 +138,52 @@ void SM::GetService(Kernel::HLERequestContext& ctx) {
}
}
void SM::RegisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto name_buf = rp.PopRaw<std::array<char, 8>>();
const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
const std::string name(name_buf.begin(), end);
const auto unk_bool = static_cast<bool>(rp.PopRaw<u32>());
const auto session_count = rp.PopRaw<u32>();
LOG_DEBUG(Service_SM, "called with unk_bool={}", unk_bool);
auto handle = service_manager->RegisterService(name, session_count);
if (handle.Failed()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}",
handle.Code().raw);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(handle.Code());
return;
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(handle.Code());
rb.PushMoveObjects(std::move(handle).Unwrap());
}
void SM::UnregisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto name_buf = rp.PopRaw<std::array<char, 8>>();
const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
const std::string name(name_buf.begin(), end);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(service_manager->UnregisterService(name));
}
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"},
{0x00000002, &SM::RegisterService, "RegisterService"},
{0x00000003, &SM::UnregisterService, "UnregisterService"},
};
RegisterHandlers(functions);
}

View File

@ -35,6 +35,8 @@ public:
private:
void Initialize(Kernel::HLERequestContext& ctx);
void GetService(Kernel::HLERequestContext& ctx);
void RegisterService(Kernel::HLERequestContext& ctx);
void UnregisterService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager;
};
@ -48,6 +50,7 @@ public:
ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> RegisterService(std::string name,
unsigned int max_sessions);
ResultCode UnregisterService(std::string name);
ResultVal<Kernel::SharedPtr<Kernel::ClientPort>> GetServicePort(const std::string& name);
ResultVal<Kernel::SharedPtr<Kernel::ClientSession>> ConnectToService(const std::string& name);