| /* |
| * Copyright (C) 2020 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 <vector> |
| |
| #include "anomaly/AlarmMonitor.h" |
| #include "condition/ConditionTracker.h" |
| #include "external/StatsPullerManager.h" |
| #include "matchers/AtomMatchingTracker.h" |
| #include "metrics/MetricProducer.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| // Helper functions for MetricsManager to update itself from a new StatsdConfig. |
| // *Note*: only updateStatsdConfig() should be called from outside this file. |
| // All other functions are intermediate steps, created to make unit testing easier. |
| |
| // Possible update states for a component. PRESERVE means we should keep the existing one. |
| // REPLACE means we should create a new one because the existing one changed |
| // NEW means we should create a new one because one does not currently exist. |
| enum UpdateStatus { |
| UPDATE_UNKNOWN = 0, |
| UPDATE_PRESERVE = 1, |
| UPDATE_REPLACE = 2, |
| UPDATE_NEW = 3, |
| }; |
| |
| // Recursive function to determine if a matcher needs to be updated. |
| // input: |
| // [config]: the input StatsdConfig |
| // [matcherIdx]: the index of the current matcher to be updated |
| // [oldAtomMatchingTrackerMap]: matcher id to index mapping in the existing MetricsManager |
| // [oldAtomMatchingTrackers]: stores the existing AtomMatchingTrackers |
| // [newAtomMatchingTrackerMap]: matcher id to index mapping in the input StatsdConfig |
| // output: |
| // [matchersToUpdate]: vector of the update status of each matcher. The matcherIdx index will |
| // be updated from UPDATE_UNKNOWN after this call. |
| // [cycleTracker]: intermediate param used during recursion. |
| // Returns whether the function was successful or not. |
| bool determineMatcherUpdateStatus( |
| const StatsdConfig& config, const int matcherIdx, |
| const std::unordered_map<int64_t, int>& oldAtomMatchingTrackerMap, |
| const std::vector<sp<AtomMatchingTracker>>& oldAtomMatchingTrackers, |
| const std::unordered_map<int64_t, int>& newAtomMatchingTrackerMap, |
| std::vector<UpdateStatus>& matchersToUpdate, std::vector<bool>& cycleTracker); |
| |
| // Updates the AtomMatchingTrackers. |
| // input: |
| // [config]: the input StatsdConfig |
| // [oldAtomMatchingTrackerMap]: existing matcher id to index mapping |
| // [oldAtomMatchingTrackers]: stores the existing AtomMatchingTrackers |
| // output: |
| // [allTagIds]: contains the set of all interesting tag ids to this config. |
| // [newAtomMatchingTrackerMap]: new matcher id to index mapping |
| // [newAtomMatchingTrackers]: stores the new AtomMatchingTrackers |
| // [replacedMatchers]: set of matcher ids that changed and have been replaced |
| bool updateAtomMatchingTrackers(const StatsdConfig& config, const sp<UidMap>& uidMap, |
| const std::unordered_map<int64_t, int>& oldAtomMatchingTrackerMap, |
| const std::vector<sp<AtomMatchingTracker>>& oldAtomMatchingTrackers, |
| std::set<int>& allTagIds, |
| std::unordered_map<int64_t, int>& newAtomMatchingTrackerMap, |
| std::vector<sp<AtomMatchingTracker>>& newAtomMatchingTrackers, |
| std::set<int64_t>& replacedMatchers); |
| |
| // Recursive function to determine if a condition needs to be updated. |
| // input: |
| // [config]: the input StatsdConfig |
| // [conditionIdx]: the index of the current condition to be updated |
| // [oldConditionTrackerMap]: condition id to index mapping in the existing MetricsManager |
| // [oldConditionTrackers]: stores the existing ConditionTrackers |
| // [newConditionTrackerMap]: condition id to index mapping in the input StatsdConfig |
| // [replacedMatchers]: set of replaced matcher ids. conditions using these matchers must be replaced |
| // output: |
| // [conditionsToUpdate]: vector of the update status of each condition. The conditionIdx index will |
| // be updated from UPDATE_UNKNOWN after this call. |
| // [cycleTracker]: intermediate param used during recursion. |
| // Returns whether the function was successful or not. |
| bool determineConditionUpdateStatus(const StatsdConfig& config, const int conditionIdx, |
| const std::unordered_map<int64_t, int>& oldConditionTrackerMap, |
| const std::vector<sp<ConditionTracker>>& oldConditionTrackers, |
| const std::unordered_map<int64_t, int>& newConditionTrackerMap, |
| const std::set<int64_t>& replacedMatchers, |
| std::vector<UpdateStatus>& conditionsToUpdate, |
| std::vector<bool>& cycleTracker); |
| |
| // Updates ConditionTrackers |
| // input: |
| // [config]: the input config |
| // [atomMatchingTrackerMap]: AtomMatchingTracker name to index mapping from previous step. |
| // [replacedMatchers]: ids of replaced matchers. conditions depending on these must also be replaced |
| // [oldConditionTrackerMap]: existing matcher id to index mapping |
| // [oldConditionTrackers]: stores the existing ConditionTrackers |
| // output: |
| // [newConditionTrackerMap]: new condition id to index mapping |
| // [newConditionTrackers]: stores the sp to all the ConditionTrackers |
| // [trackerToConditionMap]: contains the mapping from the index of an atom matcher |
| // to indices of condition trackers that use the matcher |
| // [conditionCache]: stores the current conditions for each ConditionTracker |
| // [replacedConditions]: set of condition ids that have changed and have been replaced |
| bool updateConditions(const ConfigKey& key, const StatsdConfig& config, |
| const std::unordered_map<int64_t, int>& atomMatchingTrackerMap, |
| const std::set<int64_t>& replacedMatchers, |
| const std::unordered_map<int64_t, int>& oldConditionTrackerMap, |
| const std::vector<sp<ConditionTracker>>& oldConditionTrackers, |
| std::unordered_map<int64_t, int>& newConditionTrackerMap, |
| std::vector<sp<ConditionTracker>>& newConditionTrackers, |
| std::unordered_map<int, std::vector<int>>& trackerToConditionMap, |
| std::vector<ConditionState>& conditionCache, |
| std::set<int64_t>& replacedConditions); |
| |
| // Function to determine the update status (preserve/replace/new) of all metrics in the config. |
| // [config]: the input StatsdConfig |
| // [oldMetricProducerMap]: metric id to index mapping in the existing MetricsManager |
| // [oldMetricProducers]: stores the existing MetricProducers |
| // [metricToActivationMap]: map from metric id to metric activation index |
| // [replacedMatchers]: set of replaced matcher ids. metrics using these matchers must be replaced |
| // [replacedConditions]: set of replaced conditions. metrics using these conditions must be replaced |
| // [replacedStates]: set of replaced state ids. metrics using these states must be replaced |
| // output: |
| // [metricsToUpdate]: update status of each metric. Will be changed from UPDATE_UNKNOWN |
| // Returns whether the function was successful or not. |
| bool determineAllMetricUpdateStatuses(const StatsdConfig& config, |
| const unordered_map<int64_t, int>& oldMetricProducerMap, |
| const vector<sp<MetricProducer>>& oldMetricProducers, |
| const unordered_map<int64_t, int>& metricToActivationMap, |
| const set<int64_t>& replacedMatchers, |
| const set<int64_t>& replacedConditions, |
| const set<int64_t>& replacedStates, |
| vector<UpdateStatus>& metricsToUpdate); |
| |
| // Update MetricProducers. |
| // input: |
| // [key]: the config key that this config belongs to |
| // [config]: the input config |
| // [timeBaseNs]: start time base for all metrics |
| // [currentTimeNs]: time of the config update |
| // [atomMatchingTrackerMap]: AtomMatchingTracker name to index mapping from previous step. |
| // [replacedMatchers]: ids of replaced matchers. Metrics depending on these must also be replaced |
| // [allAtomMatchingTrackers]: stores the sp of the atom matchers. |
| // [conditionTrackerMap]: condition name to index mapping |
| // [replacedConditions]: set of condition ids that have changed and have been replaced |
| // [stateAtomIdMap]: contains the mapping from state ids to atom ids |
| // [allStateGroupMaps]: contains the mapping from atom ids and state values to |
| // state group ids for all states |
| // output: |
| // [allMetricProducers]: contains the list of sp to the MetricProducers created. |
| // [conditionToMetricMap]: contains the mapping from condition tracker index to |
| // the list of MetricProducer index |
| // [trackerToMetricMap]: contains the mapping from log tracker to MetricProducer index. |
| bool updateMetrics( |
| const ConfigKey& key, const StatsdConfig& config, const int64_t timeBaseNs, |
| const int64_t currentTimeNs, const sp<StatsPullerManager>& pullerManager, |
| const std::unordered_map<int64_t, int>& oldAtomMatchingTrackerMap, |
| const std::unordered_map<int64_t, int>& newAtomMatchingTrackerMap, |
| const std::set<int64_t>& replacedMatchers, |
| const std::vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers, |
| const std::unordered_map<int64_t, int>& conditionTrackerMap, |
| const std::set<int64_t>& replacedConditions, |
| std::vector<sp<ConditionTracker>>& allConditionTrackers, |
| const std::vector<ConditionState>& initialConditionCache, |
| const std::unordered_map<int64_t, int>& stateAtomIdMap, |
| const std::unordered_map<int64_t, std::unordered_map<int, int64_t>>& allStateGroupMaps, |
| const std::set<int64_t>& replacedStates, |
| const std::unordered_map<int64_t, int>& oldMetricProducerMap, |
| const std::vector<sp<MetricProducer>>& oldMetricProducers, |
| std::unordered_map<int64_t, int>& newMetricProducerMap, |
| std::vector<sp<MetricProducer>>& newMetricProducers, |
| std::unordered_map<int, std::vector<int>>& conditionToMetricMap, |
| std::unordered_map<int, std::vector<int>>& trackerToMetricMap, |
| std::set<int64_t>& noReportMetricIds, |
| std::unordered_map<int, std::vector<int>>& activationAtomTrackerToMetricMap, |
| std::unordered_map<int, std::vector<int>>& deactivationAtomTrackerToMetricMap, |
| std::vector<int>& metricsWithActivation, std::set<int64_t>& replacedMetrics); |
| |
| // Updates the existing MetricsManager from a new StatsdConfig. |
| // Parameters are the members of MetricsManager. See MetricsManager for declaration. |
| bool updateStatsdConfig(const ConfigKey& key, const StatsdConfig& config, const sp<UidMap>& uidMap, |
| const sp<StatsPullerManager>& pullerManager, |
| const sp<AlarmMonitor>& anomalyAlarmMonitor, |
| const sp<AlarmMonitor>& periodicAlarmMonitor, const int64_t timeBaseNs, |
| const int64_t currentTimeNs, |
| const std::vector<sp<AtomMatchingTracker>>& oldAtomMatchingTrackers, |
| const std::unordered_map<int64_t, int>& oldAtomMatchingTrackerMap, |
| const std::vector<sp<ConditionTracker>>& oldConditionTrackers, |
| const std::unordered_map<int64_t, int>& oldConditionTrackerMap, |
| const std::vector<sp<MetricProducer>>& oldMetricProducers, |
| const std::unordered_map<int64_t, int>& oldMetricProducerMap, |
| const std::map<int64_t, uint64_t>& oldStateProtoHashes, |
| std::set<int>& allTagIds, |
| std::vector<sp<AtomMatchingTracker>>& newAtomMatchingTrackers, |
| std::unordered_map<int64_t, int>& newAtomMatchingTrackerMap, |
| std::vector<sp<ConditionTracker>>& newConditionTrackers, |
| std::unordered_map<int64_t, int>& newConditionTrackerMap, |
| std::vector<sp<MetricProducer>>& newMetricProducers, |
| std::unordered_map<int64_t, int>& newMetricProducerMap, |
| std::unordered_map<int, std::vector<int>>& conditionToMetricMap, |
| std::unordered_map<int, std::vector<int>>& trackerToMetricMap, |
| std::unordered_map<int, std::vector<int>>& trackerToConditionMap, |
| std::unordered_map<int, std::vector<int>>& activationTrackerToMetricMap, |
| std::unordered_map<int, std::vector<int>>& deactivationTrackerToMetricMap, |
| std::vector<int>& metricsWithActivation, |
| std::map<int64_t, uint64_t>& newStateProtoHashes, |
| std::set<int64_t>& noReportMetricIds); |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |
