1 /*
2  * Copyright (c) 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 LOAD_SA_SERVICE_H
17 #define LOAD_SA_SERVICE_H
18 
19 #include <mutex>
20 #include <unistd.h>
21 
22 #include "iservice_registry.h"
23 #include "system_ability_definition.h"
24 #include "system_ability_load_callback_stub.h"
25 
26 namespace OHOS::UpdateEngine {
27 enum class LoadSaStatus {
28     WAIT_RESULT = 0,
29     SUCCESS,
30     FAIL,
31 };
32 
33 class LoadSaService : public SystemAbilityLoadCallbackStub {
34 public:
35     static sptr<LoadSaService> GetInstance();
36     bool TryLoadSa(int systemAbilityId);
37     void OnLoadSystemAbilitySuccess(int32_t systemAbilityId, const sptr<IRemoteObject> &remoteObject) override;
38     void OnLoadSystemAbilityFail(int32_t systemAbilityId) override;
39 
40 private:
41     LoadSaService();
42     ~LoadSaService() override;
43 
44     void InitStatus();
45     bool CheckSaLoaded();
46     bool LoadSa(int systemAbilityId);
47 
48     LoadSaStatus loadSaStatus_ = LoadSaStatus::WAIT_RESULT;
49     static std::mutex instanceLock_;
50     static sptr<LoadSaService> instance_;
51 };
52 } // namespace OHOS::UpdateEngine
53 #endif // LOAD_SA_SERVICE_H