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
23 namespace android {
24 namespace os {
25 namespace incidentd {
26
Throttler(size_t limit,int64_t refractoryPeriodMs)27 Throttler::Throttler(size_t limit, int64_t refractoryPeriodMs)
28 : mSizeLimit(limit),
29 mRefractoryPeriodMs(refractoryPeriodMs),
30 mAccumulatedSize(0),
31 mLastRefractoryMs(android::elapsedRealtime()) {}
32
~Throttler()33 Throttler::~Throttler() {}
34
shouldThrottle()35 bool 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
addReportSize(size_t reportByteSize)44 void Throttler::addReportSize(size_t reportByteSize) {
45 VLOG("The current request took %d bytes to dropbox", (int)reportByteSize);
46 mAccumulatedSize += reportByteSize;
47 }
48
dump(FILE * out)49 void 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