| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <utils/threads.h> |
| #include <list> |
| #include "../condition/ConditionTracker.h" |
| #include "../external/PullDataReceiver.h" |
| #include "../external/StatsPullerManager.h" |
| #include "MetricProducer.h" |
| #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| struct ValueBucket { |
| int64_t mBucketStartNs; |
| int64_t mBucketEndNs; |
| int64_t mValue; |
| }; |
| |
| class ValueMetricProducer : public virtual MetricProducer, public virtual PullDataReceiver { |
| public: |
| ValueMetricProducer(const ValueMetric& valueMetric, const int conditionIndex, |
| const sp<ConditionWizard>& wizard, const int pullTagId, |
| const uint64_t startTimeNs); |
| |
| virtual ~ValueMetricProducer(); |
| |
| void onConditionChanged(const bool condition, const uint64_t eventTime) override; |
| |
| void finish() override; |
| |
| // TODO: Pass a timestamp as a parameter in onDumpReport. |
| std::unique_ptr<std::vector<uint8_t>> onDumpReport() override; |
| |
| void onSlicedConditionMayChange(const uint64_t eventTime); |
| |
| void onDataPulled(const std::vector<std::shared_ptr<LogEvent>>& data) override; |
| |
| size_t byteSize() override; |
| |
| // TODO: Implement this later. |
| virtual void notifyAppUpgrade(const string& apk, const int uid, const int version) override{}; |
| // TODO: Implement this later. |
| virtual void notifyAppRemoved(const string& apk, const int uid) override{}; |
| |
| protected: |
| void onMatchedLogEventInternal(const size_t matcherIndex, const HashableDimensionKey& eventKey, |
| const std::map<std::string, HashableDimensionKey>& conditionKey, |
| bool condition, const LogEvent& event, |
| bool scheduledPull) override; |
| |
| void startNewProtoOutputStream(long long timestamp) override; |
| |
| private: |
| const ValueMetric mMetric; |
| |
| StatsPullerManager& mStatsPullerManager = StatsPullerManager::GetInstance(); |
| |
| Mutex mLock; |
| |
| // tagId for pulled data. -1 if this is not pulled |
| const int mPullTagId; |
| |
| // internal state of a bucket. |
| typedef struct { |
| std::vector<std::pair<long, long>> raw; |
| } Interval; |
| |
| std::unordered_map<HashableDimensionKey, Interval> mCurrentSlicedBucket; |
| // If condition is true and pulling on schedule, the previous bucket value needs to be carried |
| // over to the next bucket. |
| std::unordered_map<HashableDimensionKey, Interval> mNextSlicedBucket; |
| |
| // Save the past buckets and we can clear when the StatsLogReport is dumped. |
| // TODO: Add a lock to mPastBuckets. |
| std::unordered_map<HashableDimensionKey, std::vector<ValueBucket>> mPastBuckets; |
| |
| long get_value(const LogEvent& event); |
| |
| void flush_if_needed(const uint64_t eventTimeNs); |
| |
| size_t mByteSize; |
| }; |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |