1 /*
2  * Copyright (C) 2021 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 #include "BootstrapClientInternal.h"
18 
19 #include <binder/IServiceManager.h>
20 
21 namespace android {
22 namespace os {
23 namespace stats {
24 
getInstance()25 sp<BootstrapClientInternal> BootstrapClientInternal::getInstance() {
26     static sp<BootstrapClientInternal> client = new BootstrapClientInternal();
27     return client;
28 }
29 
getServiceNonBlocking()30 sp<IStatsBootstrapAtomService> BootstrapClientInternal::getServiceNonBlocking() {
31     std::lock_guard<std::mutex> lock(mLock);
32     if (mService != nullptr) {
33         return mService;
34     }
35     connectNonBlockingLocked();
36     return mService;
37 }
38 
binderDied(const wp<IBinder> &)39 void BootstrapClientInternal::binderDied(const wp<IBinder>&) {
40     std::lock_guard<std::mutex> lock(mLock);
41     mService = nullptr;
42     connectNonBlockingLocked();
43 }
44 
connectNonBlockingLocked()45 void BootstrapClientInternal::connectNonBlockingLocked() {
46     const String16 name("statsbootstrap");
47     mService =
48             interface_cast<IStatsBootstrapAtomService>(defaultServiceManager()->checkService(name));
49     if (mService != nullptr) {
50         // Set up binder death.
51         IInterface::asBinder(mService)->linkToDeath(this);
52     }
53 }
54 
55 }  // namespace stats
56 }  // namespace os
57 }  // namespace android