1/* 2 * Copyright (C) 2018 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#define DEBUG false 17#include "Log.h" 18 19#include "Throttler.h" 20 21#include <utils/SystemClock.h> 22 23namespace android { 24namespace os { 25namespace incidentd { 26 27Throttler::Throttler(size_t limit, int64_t refractoryPeriodMs) 28 : mSizeLimit(limit), 29 mRefractoryPeriodMs(refractoryPeriodMs), 30 mAccumulatedSize(0), 31 mLastRefractoryMs(android::elapsedRealtime()) {} 32 33Throttler::~Throttler() {} 34 35bool Throttler::shouldThrottle() { 36 int64_t now = android::elapsedRealtime(); 37 if (now > mRefractoryPeriodMs + mLastRefractoryMs) { 38 mLastRefractoryMs = now; 39 mAccumulatedSize = 0; 40 } 41 return mAccumulatedSize > mSizeLimit; 42} 43 44void Throttler::addReportSize(size_t reportByteSize) { 45 VLOG("The current request took %d bytes to dropbox", (int)reportByteSize); 46 mAccumulatedSize += reportByteSize; 47} 48 49void Throttler::dump(FILE* out) { 50 fprintf(out, "mSizeLimit=%d\n", (int)mSizeLimit); 51 fprintf(out, "mAccumulatedSize=%d\n", (int)mAccumulatedSize); 52 fprintf(out, "mRefractoryPeriodMs=%d\n", (int)mRefractoryPeriodMs); 53 fprintf(out, "mLastRefractoryMs=%d\n", (int)mLastRefractoryMs); 54} 55 56} // namespace incidentd 57} // namespace os 58} // namespace android