android13/system/hardware/interfaces/suspend/1.0/default/WakeupList.h

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1.6 KiB
C++

/*
* Copyright (C) 2020 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.
*/
#pragma once
#include <android/system/suspend/internal/WakeupInfo.h>
#include <utils/Mutex.h>
#include <list>
#include <unordered_map>
using ::android::system::suspend::internal::WakeupInfo;
namespace android {
namespace system {
namespace suspend {
namespace V1_0 {
/*
* WakeupList to collect wakeup stats.
* This class is thread safe.
*/
class WakeupList {
public:
WakeupList(size_t capacity);
void getWakeupStats(std::vector<WakeupInfo>* wakeups) const;
void update(const std::vector<std::string>& wakeupReasons);
private:
void evict() REQUIRES(mLock);
void insert(WakeupInfo entry) REQUIRES(mLock);
void erase(std::list<WakeupInfo>::iterator entry) REQUIRES(mLock);
size_t mCapacity;
mutable std::mutex mLock;
std::list<WakeupInfo> mWakeups GUARDED_BY(mLock);
std::unordered_map<std::string, std::list<WakeupInfo>::iterator> mLookupTable GUARDED_BY(mLock);
};
} // namespace V1_0
} // namespace suspend
} // namespace system
} // namespace android