Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | |
| 17 | #ifndef COUNT_METRIC_PRODUCER_H |
| 18 | #define COUNT_METRIC_PRODUCER_H |
| 19 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 20 | #include <unordered_map> |
Yao Chen | caf339d | 2017-10-06 16:01:10 -0700 | [diff] [blame] | 21 | |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 22 | #include <android/util/ProtoOutputStream.h> |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 23 | #include <gtest/gtest_prod.h> |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 24 | #include "../anomaly/AnomalyTracker.h" |
Yao Chen | caf339d | 2017-10-06 16:01:10 -0700 | [diff] [blame] | 25 | #include "../condition/ConditionTracker.h" |
| 26 | #include "../matchers/matcher_util.h" |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 27 | #include "MetricProducer.h" |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 28 | #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 29 | #include "stats_util.h" |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 30 | |
| 31 | namespace android { |
| 32 | namespace os { |
| 33 | namespace statsd { |
| 34 | |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 35 | struct CountBucket { |
| 36 | int64_t mBucketStartNs; |
| 37 | int64_t mBucketEndNs; |
| 38 | int64_t mCount; |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 39 | uint64_t mBucketNum; |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 40 | }; |
| 41 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 42 | class CountMetricProducer : public MetricProducer { |
| 43 | public: |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 44 | // TODO: Pass in the start time from MetricsManager, it should be consistent for all metrics. |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 45 | CountMetricProducer(const ConfigKey& key, const CountMetric& countMetric, |
| 46 | const int conditionIndex, const sp<ConditionWizard>& wizard, |
| 47 | const uint64_t startTimeNs); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 48 | |
| 49 | virtual ~CountMetricProducer(); |
| 50 | |
Yao Chen | b704177 | 2017-10-20 16:59:25 -0700 | [diff] [blame] | 51 | protected: |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 52 | void onMatchedLogEventInternalLocked( |
| 53 | const size_t matcherIndex, const HashableDimensionKey& eventKey, |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 54 | const ConditionKey& conditionKey, bool condition, |
Chenjie Yu | a7259ab | 2017-12-10 08:31:05 -0800 | [diff] [blame] | 55 | const LogEvent& event) override; |
yro | 2b0f886 | 2017-11-06 14:27:31 -0800 | [diff] [blame] | 56 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 57 | private: |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 58 | void onDumpReportLocked(const uint64_t dumpTimeNs, |
| 59 | android::util::ProtoOutputStream* protoOutput) override; |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame] | 60 | void onDumpReportLocked(const uint64_t dumpTimeNs, StatsLogReport* report) override; |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 61 | |
| 62 | // Internal interface to handle condition change. |
| 63 | void onConditionChangedLocked(const bool conditionMet, const uint64_t eventTime) override; |
| 64 | |
| 65 | // Internal interface to handle sliced condition change. |
| 66 | void onSlicedConditionMayChangeLocked(const uint64_t eventTime) override; |
| 67 | |
| 68 | // Internal function to calculate the current used bytes. |
| 69 | size_t byteSizeLocked() const override; |
| 70 | |
| 71 | // Util function to flush the old packet. |
| 72 | void flushIfNeededLocked(const uint64_t& newEventTime); |
| 73 | |
yro | 2b0f886 | 2017-11-06 14:27:31 -0800 | [diff] [blame] | 74 | // TODO: Add a lock to mPastBuckets. |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 75 | std::unordered_map<HashableDimensionKey, std::vector<CountBucket>> mPastBuckets; |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 76 | |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 77 | // The current bucket. |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 78 | std::shared_ptr<DimToValMap> mCurrentSlicedCounter = std::make_shared<DimToValMap>(); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 79 | |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 80 | static const size_t kBucketSize = sizeof(CountBucket{}); |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 81 | |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 82 | bool hitGuardRailLocked(const HashableDimensionKey& newKey); |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 83 | |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 84 | FRIEND_TEST(CountMetricProducerTest, TestNonDimensionalEvents); |
| 85 | FRIEND_TEST(CountMetricProducerTest, TestEventsWithNonSlicedCondition); |
| 86 | FRIEND_TEST(CountMetricProducerTest, TestEventsWithSlicedCondition); |
Bookatz | 1bf9438 | 2018-01-04 11:43:20 -0800 | [diff] [blame] | 87 | FRIEND_TEST(CountMetricProducerTest, TestAnomalyDetectionUnSliced); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | } // namespace statsd |
| 91 | } // namespace os |
| 92 | } // namespace android |
| 93 | #endif // COUNT_METRIC_PRODUCER_H |