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 EVENT_METRIC_PRODUCER_H 18 #define EVENT_METRIC_PRODUCER_H 19 20 #include <unordered_map> 21 22 #include <android/util/ProtoOutputStream.h> 23 24 #include "../condition/ConditionTracker.h" 25 #include "../matchers/matcher_util.h" 26 #include "MetricProducer.h" 27 #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" 28 #include "stats_util.h" 29 30 namespace android { 31 namespace os { 32 namespace statsd { 33 34 class EventMetricProducer : public MetricProducer { 35 public: 36 // TODO: Pass in the start time from MetricsManager, it should be consistent for all metrics. 37 EventMetricProducer(const ConfigKey& key, const EventMetric& eventMetric, 38 const int conditionIndex, const sp<ConditionWizard>& wizard, 39 const int64_t startTimeNs); 40 41 virtual ~EventMetricProducer(); 42 43 private: 44 void onMatchedLogEventInternalLocked( 45 const size_t matcherIndex, const MetricDimensionKey& eventKey, 46 const ConditionKey& conditionKey, bool condition, 47 const LogEvent& event) override; 48 49 void onDumpReportLocked(const int64_t dumpTimeNs, 50 const bool include_current_partial_bucket, 51 std::set<string> *str_set, 52 android::util::ProtoOutputStream* protoOutput) override; 53 void clearPastBucketsLocked(const int64_t dumpTimeNs) override; 54 55 // Internal interface to handle condition change. 56 void onConditionChangedLocked(const bool conditionMet, const int64_t eventTime) override; 57 58 // Internal interface to handle sliced condition change. 59 void onSlicedConditionMayChangeLocked(bool overallCondition, const int64_t eventTime) override; 60 61 void dropDataLocked(const int64_t dropTimeNs) override; 62 63 // Internal function to calculate the current used bytes. 64 size_t byteSizeLocked() const override; 65 dumpStatesLocked(FILE * out,bool verbose)66 void dumpStatesLocked(FILE* out, bool verbose) const override{}; 67 68 // Maps to a EventMetricDataWrapper. Storing atom events in ProtoOutputStream 69 // is more space efficient than storing LogEvent. 70 std::unique_ptr<android::util::ProtoOutputStream> mProto; 71 }; 72 73 } // namespace statsd 74 } // namespace os 75 } // namespace android 76 #endif // EVENT_METRIC_PRODUCER_H 77