1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
// 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/core.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 {
constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::SM, 4);
constexpr ResultCode ERR_INVALID_NAME(ErrorModule::SM, 6);
constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(ErrorModule::SM, 7);
ServiceManager::ServiceManager(Kernel::KernelCore& kernel_) : kernel{kernel_} {}
ServiceManager::~ServiceManager() = default;
void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
controller_interface->InvokeRequest(context);
}
static ResultCode ValidateServiceName(const std::string& name) {
if (name.empty() || name.size() > 8) {
LOG_ERROR(Service_SM, "Invalid service name! service={}", name);
return ERR_INVALID_NAME;
}
if (name.rfind('\0') != std::string::npos) {
LOG_ERROR(Service_SM, "A non null terminated service was passed");
return ERR_INVALID_NAME;
}
return RESULT_SUCCESS;
}
void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self, Core::System& system) {
ASSERT(self->sm_interface.expired());
auto sm = std::make_shared<SM>(self, system);
sm->InstallAsNamedPort(system.Kernel());
self->sm_interface = sm;
self->controller_interface = std::make_unique<Controller>(system);
}
ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(std::string name,
u32 max_sessions) {
CASCADE_CODE(ValidateServiceName(name));
if (registered_services.find(name) != registered_services.end()) {
LOG_ERROR(Service_SM, "Service is already registered! service={}", name);
return ERR_ALREADY_REGISTERED;
}
auto [server_port, client_port] =
Kernel::ServerPort::CreatePortPair(kernel, max_sessions, name);
registered_services.emplace(std::move(name), std::move(client_port));
return MakeResult(std::move(server_port));
}
ResultCode ServiceManager::UnregisterService(const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
const auto iter = registered_services.find(name);
if (iter == registered_services.end()) {
LOG_ERROR(Service_SM, "Server is not registered! service={}", name);
return ERR_SERVICE_NOT_REGISTERED;
}
registered_services.erase(iter);
return RESULT_SUCCESS;
}
ResultVal<std::shared_ptr<Kernel::ClientPort>> ServiceManager::GetServicePort(
const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
auto it = registered_services.find(name);
if (it == registered_services.end()) {
LOG_ERROR(Service_SM, "Server is not registered! service={}", name);
return ERR_SERVICE_NOT_REGISTERED;
}
return MakeResult(it->second);
}
ResultVal<std::shared_ptr<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) {
LOG_DEBUG(Service_SM, "called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
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);
auto client_port = service_manager->GetServicePort(name);
if (client_port.Failed()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(client_port.Code());
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, client_port.Code().raw);
if (name.length() == 0)
return; // LibNX Fix
UNIMPLEMENTED();
return;
}
auto [client, server] = Kernel::Session::Create(kernel, name);
const auto& server_port = client_port.Unwrap()->GetServerPort();
if (server_port->GetHLEHandler()) {
server_port->GetHLEHandler()->ClientConnected(server);
} else {
server_port->AppendPendingSession(server);
}
LOG_DEBUG(Service_SM, "called service={} -> session={}", name, client->GetObjectId());
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(RESULT_SUCCESS);
rb.PushMoveObjects(std::move(client));
}
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 is_light = static_cast<bool>(rp.PopRaw<u32>());
const auto max_session_count = rp.PopRaw<u32>();
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);
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);
LOG_DEBUG(Service_SM, "called with name={}", name);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(service_manager->UnregisterService(name));
}
SM::SM(std::shared_ptr<ServiceManager> service_manager_, Core::System& system_)
: ServiceFramework{system_, "sm:", 4},
service_manager{std::move(service_manager_)}, kernel{system_.Kernel()} {
static const FunctionInfo functions[] = {
{0, &SM::Initialize, "Initialize"},
{1, &SM::GetService, "GetService"},
{2, &SM::RegisterService, "RegisterService"},
{3, &SM::UnregisterService, "UnregisterService"},
{4, nullptr, "DetachClient"},
};
RegisterHandlers(functions);
}
} // namespace Service::SM
|
