| /* |
| * Copyright (C) 2017 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 COUNT_METRIC_PRODUCER_H |
| #define COUNT_METRIC_PRODUCER_H |
| |
| #include <unordered_map> |
| |
| #include <android/util/ProtoOutputStream.h> |
| #include <gtest/gtest_prod.h> |
| #include "../anomaly/AnomalyTracker.h" |
| #include "../condition/ConditionTracker.h" |
| #include "../matchers/matcher_util.h" |
| #include "MetricProducer.h" |
| #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" |
| #include "stats_util.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| struct CountBucket { |
| int64_t mBucketStartNs; |
| int64_t mBucketEndNs; |
| int64_t mCount; |
| uint64_t mBucketNum; |
| }; |
| |
| class CountMetricProducer : public MetricProducer { |
| public: |
| // TODO: Pass in the start time from MetricsManager, it should be consistent for all metrics. |
| CountMetricProducer(const ConfigKey& key, const CountMetric& countMetric, |
| const int conditionIndex, const sp<ConditionWizard>& wizard, |
| const uint64_t startTimeNs); |
| |
| virtual ~CountMetricProducer(); |
| |
| protected: |
| void onMatchedLogEventInternalLocked( |
| const size_t matcherIndex, const MetricDimensionKey& eventKey, |
| const ConditionKey& conditionKey, bool condition, |
| const LogEvent& event) override; |
| |
| private: |
| void onDumpReportLocked(const uint64_t dumpTimeNs, |
| android::util::ProtoOutputStream* protoOutput) override; |
| void onDumpReportLocked(const uint64_t dumpTimeNs, StatsLogReport* report) override; |
| |
| // Internal interface to handle condition change. |
| void onConditionChangedLocked(const bool conditionMet, const uint64_t eventTime) override; |
| |
| // Internal interface to handle sliced condition change. |
| void onSlicedConditionMayChangeLocked(const uint64_t eventTime) override; |
| |
| // Internal function to calculate the current used bytes. |
| size_t byteSizeLocked() const override; |
| |
| void dumpStatesLocked(FILE* out, bool verbose) const override{}; |
| |
| // Util function to flush the old packet. |
| void flushIfNeededLocked(const uint64_t& newEventTime) override; |
| |
| void flushCurrentBucketLocked(const uint64_t& eventTimeNs) override; |
| |
| // TODO: Add a lock to mPastBuckets. |
| std::unordered_map<MetricDimensionKey, std::vector<CountBucket>> mPastBuckets; |
| |
| // The current bucket (may be a partial bucket). |
| std::shared_ptr<DimToValMap> mCurrentSlicedCounter = std::make_shared<DimToValMap>(); |
| |
| // The sum of previous partial buckets in the current full bucket (excluding the current |
| // partial bucket). This is only updated while flushing the current bucket. |
| std::shared_ptr<DimToValMap> mCurrentFullCounters = std::make_shared<DimToValMap>(); |
| |
| static const size_t kBucketSize = sizeof(CountBucket{}); |
| |
| bool hitGuardRailLocked(const MetricDimensionKey& newKey); |
| |
| FRIEND_TEST(CountMetricProducerTest, TestNonDimensionalEvents); |
| FRIEND_TEST(CountMetricProducerTest, TestEventsWithNonSlicedCondition); |
| FRIEND_TEST(CountMetricProducerTest, TestEventsWithSlicedCondition); |
| FRIEND_TEST(CountMetricProducerTest, TestAnomalyDetectionUnSliced); |
| FRIEND_TEST(CountMetricProducerTest, TestEventWithAppUpgrade); |
| FRIEND_TEST(CountMetricProducerTest, TestEventWithAppUpgradeInNextBucket); |
| }; |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |
| #endif // COUNT_METRIC_PRODUCER_H |