53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2023, The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <android/binder_manager.h>
|
||
|
|
#include <stats_provider.h>
|
||
|
|
|
||
|
|
using aidl::android::os::IStatsd;
|
||
|
|
|
||
|
|
StatsProvider::StatsProvider(StatsProviderBinderDiedCallback callback)
|
||
|
|
: mDeathRecipient(AIBinder_DeathRecipient_new(binderDied)), mCallback(callback) {
|
||
|
|
}
|
||
|
|
|
||
|
|
StatsProvider::~StatsProvider() {
|
||
|
|
resetStatsService();
|
||
|
|
}
|
||
|
|
|
||
|
|
std::shared_ptr<IStatsd> StatsProvider::getStatsService() {
|
||
|
|
std::lock_guard<std::mutex> lock(mMutex);
|
||
|
|
if (!mStatsd) {
|
||
|
|
// Fetch statsd
|
||
|
|
::ndk::SpAIBinder binder(AServiceManager_getService("stats"));
|
||
|
|
mStatsd = IStatsd::fromBinder(binder);
|
||
|
|
if (mStatsd) {
|
||
|
|
AIBinder_linkToDeath(binder.get(), mDeathRecipient.get(), this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return mStatsd;
|
||
|
|
}
|
||
|
|
|
||
|
|
void StatsProvider::resetStatsService() {
|
||
|
|
std::lock_guard<std::mutex> lock(mMutex);
|
||
|
|
mStatsd = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
void StatsProvider::binderDied(void* cookie) {
|
||
|
|
StatsProvider* statsProvider = static_cast<StatsProvider*>(cookie);
|
||
|
|
statsProvider->resetStatsService();
|
||
|
|
statsProvider->mCallback();
|
||
|
|
}
|