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1 /*
2  * Copyright (c) 2021 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_HARDWARE_SERVICE_H
17 #define OHOS_DISTRIBUTED_HARDWARE_SERVICE_H
18 
19 #include "system_ability.h"
20 #include "ipc_object_stub.h"
21 
22 #include "distributed_hardware_stub.h"
23 #include "single_instance.h"
24 
25 namespace OHOS {
26 namespace DistributedHardware {
27 enum class ServiceRunningState {
28     STATE_NOT_START,
29     STATE_RUNNING
30 };
31 
32 class DistributedHardwareService : public SystemAbility, public DistributedHardwareStub {
33 DECLARE_SYSTEM_ABILITY(DistributedHardwareService);
34 public:
35     DistributedHardwareService(int32_t saId, bool runOnCreate);
36     ~DistributedHardwareService() = default;
37     int32_t QuerySinkVersion(std::unordered_map<DHType, std::string> &versionMap) override;
38 
39 protected:
40     void OnStart() override;
41     void OnStop() override;
42 
43 private:
44     bool Init();
45 
46 private:
47     bool registerToService_ = false;
48     ServiceRunningState state_ = ServiceRunningState::STATE_NOT_START;
49 };
50 }
51 }
52 #endif