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1 // Copyright 2015 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef BUFFET_MANAGER_H_
16 #define BUFFET_MANAGER_H_
17 
18 #include <memory>
19 #include <set>
20 #include <string>
21 #include <vector>
22 
23 #include <base/files/file_path.h>
24 #include <base/macros.h>
25 #include <base/memory/weak_ptr.h>
26 #include <base/values.h>
27 #include <brillo/dbus/async_event_sequencer.h>
28 #include <brillo/errors/error.h>
29 #include <nativepower/power_manager_client.h>
30 #include <weave/device.h>
31 
32 #include "android/weave/BnWeaveServiceManager.h"
33 #include "buffet/binder_weave_service.h"
34 #include "buffet/buffet_config.h"
35 
36 namespace buffet {
37 
38 class BluetoothClient;
39 class HttpTransportClient;
40 class MdnsClient;
41 class ShillClient;
42 class WebServClient;
43 
44 // The Manager is responsible for global state of Buffet.  It exposes
45 // interfaces which affect the entire device such as device registration and
46 // device state.
47 class Manager final : public android::weave::BnWeaveServiceManager {
48  public:
49   struct Options {
50     bool xmpp_enabled = true;
51     bool disable_privet = false;
52     bool enable_ping = false;
53     std::set<std::string> device_whitelist;
54 
55     BuffetConfig::Options config_options;
56   };
57 
58   Manager(const Options& options, const scoped_refptr<dbus::Bus>& bus);
59   ~Manager() override;
60 
61   void Start(brillo::dbus_utils::AsyncEventSequencer* sequencer);
62   void Stop();
63 
64  private:
65   void RestartWeave(brillo::dbus_utils::AsyncEventSequencer* sequencer);
66   void CreateDevice();
67 
68   // Binder methods for IWeaveServiceManager:
69   using WeaveServiceManagerNotificationListener =
70       android::sp<android::weave::IWeaveServiceManagerNotificationListener>;
71   android::binder::Status connect(
72       const android::sp<android::weave::IWeaveClient>& client) override;
73   android::binder::Status registerNotificationListener(
74       const WeaveServiceManagerNotificationListener& listener) override;
75   android::binder::Status getDeviceId(android::String16* id) override;
76   android::binder::Status getCloudId(android::String16* id) override;
77   android::binder::Status getDeviceName(android::String16* name) override;
78   android::binder::Status getDeviceDescription(
79       android::String16* description) override;
80   android::binder::Status getDeviceLocation(
81       android::String16* location) override;
82   android::binder::Status getOemName(android::String16* name) override;
83   android::binder::Status getModelName(android::String16* name) override;
84   android::binder::Status getModelId(android::String16* id) override;
85   android::binder::Status getPairingSessionId(android::String16* id) override;
86   android::binder::Status getPairingMode(android::String16* mode) override;
87   android::binder::Status getPairingCode(android::String16* code) override;
88   android::binder::Status getState(android::String16* state) override;
89   android::binder::Status getTraits(android::String16* traits) override;
90   android::binder::Status getComponents(android::String16* components) override;
91 
92   void OnTraitDefsChanged();
93   void OnComponentTreeChanged();
94   void OnGcdStateChanged(weave::GcdState state);
95   void OnConfigChanged(const weave::Settings& settings);
96   void OnPairingStart(const std::string& session_id,
97                       weave::PairingType pairing_type,
98                       const std::vector<uint8_t>& code);
99   void OnPairingEnd(const std::string& session_id);
100 
101   void CreateServicesForClients();
102   void OnClientDisconnected(
103       const android::sp<android::weave::IWeaveClient>& client);
104   void OnNotificationListenerDestroyed(
105       const WeaveServiceManagerNotificationListener& notification_listener);
106   void NotifyServiceManagerChange(const std::vector<int>& notification_ids);
107   void OnRebootDevice(const std::weak_ptr<weave::Command>& cmd);
108   void RebootDeviceNow();
109 
110   Options options_;
111   scoped_refptr<dbus::Bus> bus_;
112 
113   class TaskRunner;
114   std::unique_ptr<TaskRunner> task_runner_;
115   std::unique_ptr<BluetoothClient> bluetooth_client_;
116   std::unique_ptr<BuffetConfig> config_;
117   std::unique_ptr<HttpTransportClient> http_client_;
118   std::unique_ptr<ShillClient> shill_client_;
119   std::unique_ptr<MdnsClient> mdns_client_;
120   std::unique_ptr<WebServClient> web_serv_client_;
121   std::unique_ptr<weave::Device> device_;
122 
123   std::vector<android::sp<android::weave::IWeaveClient>> pending_clients_;
124   std::map<android::sp<android::weave::IWeaveClient>,
125            android::sp<BinderWeaveService>> services_;
126   std::set<WeaveServiceManagerNotificationListener> notification_listeners_;
127   android::PowerManagerClient power_manager_client_;
128 
129   // State properties.
130   std::string cloud_id_;
131   std::string device_id_;
132   std::string device_name_;
133   std::string device_description_;
134   std::string device_location_;
135   std::string oem_name_;
136   std::string model_name_;
137   std::string model_id_;
138   std::string pairing_session_id_;
139   std::string pairing_mode_;
140   std::string pairing_code_;
141   std::string state_;
142 
143   base::WeakPtrFactory<Manager> weak_ptr_factory_{this};
144   DISALLOW_COPY_AND_ASSIGN(Manager);
145 };
146 
147 }  // namespace buffet
148 
149 #endif  // BUFFET_MANAGER_H_
150