1 /*
2  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
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 
16 #ifndef OHOS_DISTRIBUTED_DNETWORK_ADAPTER_H
17 #define OHOS_DISTRIBUTED_DNETWORK_ADAPTER_H
18 
19 #include <iosfwd>
20 #include <memory>
21 #include <mutex>
22 #include <set>
23 #include <string>
24 
25 #include "device_manager.h"
26 #include "event_handler.h"
27 #include "nocopyable.h"
28 
29 namespace OHOS {
30 namespace DistributedSchedule {
31 enum DeviceInfoType {
32     UNKNOWN_INFO = 0,
33     BASIC_INFO = 1,
34     NETWORK_INFO = 2,
35     TRUST_INFO = 3,
36 };
37 
38 enum NodeDeviceInfoKey {
39     NODE_KEY_UDID = 0,
40     NODE_KEY_UUID = 1,
41 };
42 
43 class DeviceListener {
44 public:
45     DeviceListener() = default;
46     virtual ~DeviceListener() = default;
47 
48     virtual void OnDeviceOnline(const DistributedHardware::DmDeviceInfo& deviceInfo) = 0;
49     virtual void OnDeviceOffline(const DistributedHardware::DmDeviceInfo& deviceInfo) = 0;
50     virtual void OnDeviceInfoChanged(const DistributedHardware::DmDeviceInfo& deviceInfo) = 0;
51 };
52 
53 class DnetworkAdapter {
54 public:
55     DnetworkAdapter() = default;
56     ~DnetworkAdapter() = default;
57 
58     void Init();
59     bool AddDeviceChangeListener(const std::shared_ptr<DeviceListener>& listener);
60     void RemoveDeviceChangeListener(const std::shared_ptr<DeviceListener>& listener);
61     std::string GetUdidByNetworkId(const std::string& networkId);
62     std::string GetUuidByNetworkId(const std::string& networkId);
63     bool GetLocalBasicInfo(DistributedHardware::DmDeviceInfo& dmDeviceInfo);
64 
65     static std::shared_ptr<DnetworkAdapter> GetInstance();
66     bool UpdateDeviceInfoStorage();
67 
68 private:
69     DISALLOW_COPY_AND_MOVE(DnetworkAdapter);
70 
71     static std::shared_ptr<AppExecFwk::EventHandler> dnetworkHandler_;
72     static std::mutex listenerSetMutex_;
73     static std::set<std::shared_ptr<DeviceListener>> listenerSet_;
74 
75     std::shared_ptr<DistributedHardware::DeviceStateCallback> stateCallback_;
76     std::shared_ptr<DistributedHardware::DmInitCallback> initCallback_;
77 class DeviceInitCallBack : public DistributedHardware::DmInitCallback {
78     void OnRemoteDied() override;
79 };
80 
81 class DmsDeviceStateCallback : public DistributedHardware::DeviceStateCallback {
82     void OnDeviceOnline(const DistributedHardware::DmDeviceInfo& deviceInfo) override;
83     void OnDeviceOffline(const DistributedHardware::DmDeviceInfo& deviceInfo) override;
84     void OnDeviceChanged(const DistributedHardware::DmDeviceInfo& deviceInfo) override;
85     void OnDeviceReady(const DistributedHardware::DmDeviceInfo& deviceInfo) override;
86 };
87 };
88 } // namespace DistributedSchedule
89 } // namespace OHOS
90 #endif // OHOS_DISTRIBUTED_DNETWORK_ADAPTER_H