1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "facade/grpc_root_server.h"
18 
19 #include <string>
20 
21 #include "facade/read_only_property_server.h"
22 #include "facade/rootservice.grpc.pb.h"
23 #include "grpc/grpc_module.h"
24 #include "hal/facade.h"
25 #include "hci/facade/acl_manager_facade.h"
26 #include "hci/facade/controller_facade.h"
27 #include "hci/facade/facade.h"
28 #include "hci/facade/le_acl_manager_facade.h"
29 #include "hci/facade/le_advertising_manager_facade.h"
30 #include "hci/facade/le_initiator_address_facade.h"
31 #include "hci/facade/le_scanning_manager_facade.h"
32 #include "hci/hci_layer.h"
33 #include "hci/le_advertising_manager.h"
34 #include "hci/le_scanning_manager.h"
35 #include "l2cap/classic/facade.h"
36 #include "l2cap/le/facade.h"
37 #include "neighbor/connectability.h"
38 #include "neighbor/discoverability.h"
39 #include "neighbor/facade/facade.h"
40 #include "neighbor/inquiry.h"
41 #include "neighbor/name.h"
42 #include "neighbor/page.h"
43 #include "os/log.h"
44 #include "os/thread.h"
45 #include "security/facade.h"
46 #include "security/security_module.h"
47 #include "shim/dumpsys.h"
48 #include "shim/facade/facade.h"
49 #include "shim/l2cap.h"
50 #include "stack_manager.h"
51 #include "storage/storage_module.h"
52 
53 namespace bluetooth {
54 namespace facade {
55 
56 using ::bluetooth::grpc::GrpcModule;
57 using ::bluetooth::os::Thread;
58 
59 namespace {
60 class RootFacadeService : public ::bluetooth::facade::RootFacade::Service {
61  public:
RootFacadeService(int grpc_port)62   RootFacadeService(int grpc_port) : grpc_port_(grpc_port) {}
63 
StartStack(::grpc::ServerContext * context,const::bluetooth::facade::StartStackRequest * request,::bluetooth::facade::StartStackResponse * response)64   ::grpc::Status StartStack(
65       ::grpc::ServerContext* context,
66       const ::bluetooth::facade::StartStackRequest* request,
67       ::bluetooth::facade::StartStackResponse* response) override {
68     if (is_running_) {
69       return ::grpc::Status(::grpc::StatusCode::INVALID_ARGUMENT, "stack is running");
70     }
71 
72     ModuleList modules;
73     modules.add<::bluetooth::grpc::GrpcModule>();
74 
75     BluetoothModule module_under_test = request->module_under_test();
76     switch (module_under_test) {
77       case BluetoothModule::HAL:
78         modules.add<::bluetooth::hal::HciHalFacadeModule>();
79         break;
80       case BluetoothModule::HCI:
81         modules.add<::bluetooth::facade::ReadOnlyPropertyServerModule>();
82         modules.add<::bluetooth::hci::facade::HciLayerFacadeModule>();
83         break;
84       case BluetoothModule::HCI_INTERFACES:
85         modules.add<::bluetooth::facade::ReadOnlyPropertyServerModule>();
86         modules.add<::bluetooth::hci::facade::HciLayerFacadeModule>();
87         modules.add<::bluetooth::hci::facade::AclManagerFacadeModule>();
88         modules.add<::bluetooth::hci::facade::ControllerFacadeModule>();
89         modules.add<::bluetooth::hci::facade::LeAclManagerFacadeModule>();
90         modules.add<::bluetooth::hci::facade::LeAdvertisingManagerFacadeModule>();
91         modules.add<::bluetooth::hci::facade::LeInitiatorAddressFacadeModule>();
92         modules.add<::bluetooth::hci::facade::LeScanningManagerFacadeModule>();
93         modules.add<::bluetooth::neighbor::facade::NeighborFacadeModule>();
94         break;
95       case BluetoothModule::L2CAP:
96         modules.add<::bluetooth::hci::facade::ControllerFacadeModule>();
97         modules.add<::bluetooth::hci::facade::LeAdvertisingManagerFacadeModule>();
98         modules.add<::bluetooth::hci::facade::LeInitiatorAddressFacadeModule>();
99         modules.add<::bluetooth::neighbor::facade::NeighborFacadeModule>();
100         modules.add<::bluetooth::facade::ReadOnlyPropertyServerModule>();
101         modules.add<::bluetooth::l2cap::classic::L2capClassicModuleFacadeModule>();
102         modules.add<::bluetooth::l2cap::le::L2capLeModuleFacadeModule>();
103         modules.add<::bluetooth::hci::facade::HciLayerFacadeModule>();
104         break;
105       case BluetoothModule::SECURITY:
106         modules.add<::bluetooth::facade::ReadOnlyPropertyServerModule>();
107         modules.add<::bluetooth::hci::facade::ControllerFacadeModule>();
108         modules.add<::bluetooth::security::SecurityModuleFacadeModule>();
109         modules.add<::bluetooth::neighbor::facade::NeighborFacadeModule>();
110         modules.add<::bluetooth::l2cap::classic::L2capClassicModuleFacadeModule>();
111         modules.add<::bluetooth::hci::facade::HciLayerFacadeModule>();
112         modules.add<::bluetooth::hci::facade::ControllerFacadeModule>();
113         modules.add<::bluetooth::hci::facade::LeAdvertisingManagerFacadeModule>();
114         modules.add<::bluetooth::hci::facade::LeScanningManagerFacadeModule>();
115         break;
116       case BluetoothModule::SHIM:
117         modules.add<::bluetooth::shim::facade::ShimFacadeModule>();
118         modules.add<::bluetooth::shim::L2cap>();
119         break;
120       default:
121         return ::grpc::Status(::grpc::StatusCode::INVALID_ARGUMENT, "invalid module under test");
122     }
123 
124     stack_thread_ = new Thread("stack_thread", Thread::Priority::NORMAL);
125     stack_manager_.StartUp(&modules, stack_thread_);
126 
127     GrpcModule* grpc_module = stack_manager_.GetInstance<GrpcModule>();
128     grpc_module->StartServer("0.0.0.0", grpc_port_);
129 
130     grpc_loop_thread_ = new std::thread([grpc_module] { grpc_module->RunGrpcLoop(); });
131     is_running_ = true;
132 
133     return ::grpc::Status::OK;
134   }
135 
StopStack(::grpc::ServerContext * context,const::bluetooth::facade::StopStackRequest * request,::bluetooth::facade::StopStackResponse * response)136   ::grpc::Status StopStack(
137       ::grpc::ServerContext* context,
138       const ::bluetooth::facade::StopStackRequest* request,
139       ::bluetooth::facade::StopStackResponse* response) override {
140     if (!is_running_) {
141       return ::grpc::Status(::grpc::StatusCode::INVALID_ARGUMENT, "stack is not running");
142     }
143 
144     stack_manager_.GetInstance<GrpcModule>()->StopServer();
145     grpc_loop_thread_->join();
146     delete grpc_loop_thread_;
147 
148     stack_manager_.ShutDown();
149     delete stack_thread_;
150     is_running_ = false;
151     return ::grpc::Status::OK;
152   }
153 
154  private:
155   Thread* stack_thread_ = nullptr;
156   bool is_running_ = false;
157   std::thread* grpc_loop_thread_ = nullptr;
158   StackManager stack_manager_;
159   int grpc_port_ = 8898;
160 };
161 
162 RootFacadeService* root_facade_service;
163 }  // namespace
164 
StartServer(const std::string & address,int grpc_root_server_port,int grpc_port)165 void GrpcRootServer::StartServer(const std::string& address, int grpc_root_server_port, int grpc_port) {
166   ASSERT(!started_);
167   started_ = true;
168 
169   std::string listening_port = address + ":" + std::to_string(grpc_root_server_port);
170   ::grpc::ServerBuilder builder;
171   root_facade_service = new RootFacadeService(grpc_port);
172   builder.RegisterService(root_facade_service);
173   builder.AddListeningPort(listening_port, ::grpc::InsecureServerCredentials());
174   server_ = builder.BuildAndStart();
175 
176   ASSERT(server_ != nullptr);
177 }
178 
StopServer()179 void GrpcRootServer::StopServer() {
180   ASSERT(started_);
181   server_->Shutdown();
182   started_ = false;
183   server_.reset();
184   delete root_facade_service;
185 }
186 
RunGrpcLoop()187 void GrpcRootServer::RunGrpcLoop() {
188   ASSERT(started_);
189   server_->Wait();
190 }
191 
192 }  // namespace facade
193 }  // namespace bluetooth
194