blob: c56f75386d492056d45570d528e94758021f47a5 [file] [log] [blame]
/*
* Copyright (C) 2018 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.
*/
#ifndef THROTTLER_H
#define THROTTLER_H
#include <utils/RefBase.h>
#include <unistd.h>
/**
* This is a size-based throttler which prevents incidentd to take more data.
*/
class Throttler : public virtual android::RefBase {
public:
Throttler(size_t limit, int64_t refractoryPeriodMs);
~Throttler();
/**
* Asserts this before starting taking report.
*/
bool shouldThrottle();
void addReportSize(size_t reportByteSize);
void dump(FILE* out);
private:
const size_t mSizeLimit;
const int64_t mRefractoryPeriodMs;
size_t mAccumulatedSize;
int64_t mLastRefractoryMs;
};
#endif // THROTTLER_H