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1 /*
2  * Copyright (C) 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 #pragma once
18 
19 #include <binder/IServiceManager.h>
20 #include <binder/Status.h>
21 #include <utils/StrongPointer.h>
22 
23 namespace android {
24 namespace binder {
25 namespace internal {
26 class ClientCounterCallback;
27 }  // namespace internal
28 
29 /** Exits when all services registered through this object have 0 clients */
30 class LazyServiceRegistrar {
31    public:
32      static LazyServiceRegistrar& getInstance();
33      status_t registerService(const sp<IBinder>& service,
34                               const std::string& name = "default",
35                               bool allowIsolated = false,
36                               int dumpFlags = IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
37      /**
38       * Force the service to persist, even when it has 0 clients.
39       * If setting this flag from the server side, make sure to do so before calling registerService,
40       * or there may be a race with the default dynamic shutdown.
41       */
42      void forcePersist(bool persist);
43 
44    private:
45      std::shared_ptr<internal::ClientCounterCallback> mClientCC;
46      LazyServiceRegistrar();
47 };
48 
49 }  // namespace binder
50 }  // namespace android