| /* |
| * 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 SIMPLE_CONDITION_TRACKER_H |
| #define SIMPLE_CONDITION_TRACKER_H |
| |
| #include <gtest/gtest_prod.h> |
| #include "ConditionTracker.h" |
| #include "config/ConfigKey.h" |
| #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" |
| #include "stats_util.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| class SimpleConditionTracker : public virtual ConditionTracker { |
| public: |
| SimpleConditionTracker(const ConfigKey& key, const int64_t& id, const int index, |
| const SimplePredicate& simplePredicate, |
| const std::unordered_map<int64_t, int>& trackerNameIndexMap); |
| |
| ~SimpleConditionTracker(); |
| |
| bool init(const std::vector<Predicate>& allConditionConfig, |
| const std::vector<sp<ConditionTracker>>& allConditionTrackers, |
| const std::unordered_map<int64_t, int>& conditionIdIndexMap, |
| std::vector<bool>& stack) override; |
| |
| void evaluateCondition(const LogEvent& event, |
| const std::vector<MatchingState>& eventMatcherValues, |
| const std::vector<sp<ConditionTracker>>& mAllConditions, |
| std::vector<ConditionState>& conditionCache, |
| std::vector<bool>& changedCache) override; |
| |
| void isConditionMet(const ConditionKey& conditionParameters, |
| const std::vector<sp<ConditionTracker>>& allConditions, |
| const vector<Matcher>& dimensionFields, |
| std::vector<ConditionState>& conditionCache, |
| std::unordered_set<HashableDimensionKey>& dimensionsKeySet) const override; |
| |
| ConditionState getMetConditionDimension( |
| const std::vector<sp<ConditionTracker>>& allConditions, |
| const vector<Matcher>& dimensionFields, |
| std::unordered_set<HashableDimensionKey>& dimensionsKeySet) const override; |
| |
| virtual const std::set<HashableDimensionKey>* getChangedToTrueDimensions( |
| const std::vector<sp<ConditionTracker>>& allConditions) const { |
| if (mSliced) { |
| return &mLastChangedToTrueDimensions; |
| } else { |
| return nullptr; |
| } |
| } |
| virtual const std::set<HashableDimensionKey>* getChangedToFalseDimensions( |
| const std::vector<sp<ConditionTracker>>& allConditions) const { |
| if (mSliced) { |
| return &mLastChangedToFalseDimensions; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| private: |
| const ConfigKey mConfigKey; |
| // The index of the LogEventMatcher which defines the start. |
| int mStartLogMatcherIndex; |
| |
| // The index of the LogEventMatcher which defines the end. |
| int mStopLogMatcherIndex; |
| |
| // if the start end needs to be nested. |
| bool mCountNesting; |
| |
| // The index of the LogEventMatcher which defines the stop all. |
| int mStopAllLogMatcherIndex; |
| |
| ConditionState mInitialValue; |
| |
| std::vector<Matcher> mOutputDimensions; |
| |
| std::set<HashableDimensionKey> mLastChangedToTrueDimensions; |
| std::set<HashableDimensionKey> mLastChangedToFalseDimensions; |
| |
| int mDimensionTag; |
| |
| std::map<HashableDimensionKey, int> mSlicedConditionState; |
| |
| void handleStopAll(std::vector<ConditionState>& conditionCache, |
| std::vector<bool>& changedCache); |
| |
| void handleConditionEvent(const HashableDimensionKey& outputKey, bool matchStart, |
| ConditionState* conditionCache, bool* changedCache); |
| |
| bool hitGuardRail(const HashableDimensionKey& newKey); |
| |
| void dumpState(); |
| |
| FRIEND_TEST(SimpleConditionTrackerTest, TestSlicedCondition); |
| FRIEND_TEST(SimpleConditionTrackerTest, TestSlicedWithNoOutputDim); |
| FRIEND_TEST(SimpleConditionTrackerTest, TestStopAll); |
| }; |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |
| |
| #endif // SIMPLE_CONDITION_TRACKER_H |