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/*
* 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 <set>
#include <unordered_map>
#include <vector>
#include "../anomaly/AlarmTracker.h"
#include "../condition/ConditionTracker.h"
#include "../external/StatsPullerManager.h"
#include "../matchers/LogMatchingTracker.h"
#include "../metrics/MetricProducer.h"
namespace android {
namespace os {
namespace statsd {
// Helper functions for MetricsManager to initialize from StatsdConfig.
// *Note*: only initStatsdConfig() should be called from outside.
// All other functions are intermediate
// steps, created to make unit tests easier. And most of the parameters in these
// functions are temporary objects in the initialization phase.
// Initialize the LogMatchingTrackers.
// input:
// [key]: the config key that this config belongs to
// [config]: the input StatsdConfig
// output:
// [logTrackerMap]: this map should contain matcher name to index mapping
// [allAtomMatchers]: should store the sp to all the LogMatchingTracker
// [allTagIds]: contains the set of all interesting tag ids to this config.
bool initLogTrackers(const StatsdConfig& config,
const UidMap& uidMap,
std::unordered_map<int64_t, int>& logTrackerMap,
std::vector<sp<LogMatchingTracker>>& allAtomMatchers,
std::set<int>& allTagIds);
// Initialize ConditionTrackers
// input:
// [key]: the config key that this config belongs to
// [config]: the input config
// [logTrackerMap]: LogMatchingTracker name to index mapping from previous step.
// output:
// [conditionTrackerMap]: this map should contain condition name to index mapping
// [allConditionTrackers]: stores the sp to all the ConditionTrackers
// [trackerToConditionMap]: contain the mapping from index of
// log tracker to condition trackers that use the log tracker
// [initialConditionCache]: stores the initial conditions for each ConditionTracker
bool initConditions(const ConfigKey& key, const StatsdConfig& config,
const std::unordered_map<int64_t, int>& logTrackerMap,
std::unordered_map<int64_t, int>& conditionTrackerMap,
std::vector<sp<ConditionTracker>>& allConditionTrackers,
std::unordered_map<int, std::vector<int>>& trackerToConditionMap,
std::unordered_map<int, std::vector<MetricConditionLink>>& eventConditionLinks,
std::vector<ConditionState>& initialConditionCache);
// Initialize State maps using State protos in the config. These maps will
// eventually be passed to MetricProducers to initialize their state info.
// input:
// [config]: the input config
// output:
// [stateAtomIdMap]: this map should contain the mapping from state ids to atom ids
// [allStateGroupMaps]: this map should contain the mapping from states ids and state
// values to state group ids for all states
bool initStates(const StatsdConfig& config, unordered_map<int64_t, int>& stateAtomIdMap,
unordered_map<int64_t, unordered_map<int, int64_t>>& allStateGroupMaps);
// Initialize MetricProducers.
// input:
// [key]: the config key that this config belongs to
// [config]: the input config
// [timeBaseSec]: start time base for all metrics
// [logTrackerMap]: LogMatchingTracker name to index mapping from previous step.
// [conditionTrackerMap]: condition name to index mapping
// [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 initMetrics(
const ConfigKey& key, const StatsdConfig& config, const int64_t timeBaseTimeNs,
const int64_t currentTimeNs, UidMap& uidMap, const sp<StatsPullerManager>& pullerManager,
const std::unordered_map<int64_t, int>& logTrackerMap,
const std::unordered_map<int64_t, int>& conditionTrackerMap,
const std::unordered_map<int, std::vector<MetricConditionLink>>& eventConditionLinks,
const vector<sp<LogMatchingTracker>>& allAtomMatchers,
const unordered_map<int64_t, int>& stateAtomIdMap,
const unordered_map<int64_t, unordered_map<int, int64_t>>& allStateGroupMaps,
vector<sp<ConditionTracker>>& allConditionTrackers,
const std::vector<ConditionState>& initialConditionCache,
std::vector<sp<MetricProducer>>& allMetricProducers,
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);
// Initialize MetricsManager from StatsdConfig.
// Parameters are the members of MetricsManager. See MetricsManager for declaration.
bool initStatsdConfig(const ConfigKey& key, const StatsdConfig& config, UidMap& uidMap,
const sp<StatsPullerManager>& pullerManager,
const sp<AlarmMonitor>& anomalyAlarmMonitor,
const sp<AlarmMonitor>& periodicAlarmMonitor, const int64_t timeBaseNs,
const int64_t currentTimeNs, std::set<int>& allTagIds,
std::vector<sp<LogMatchingTracker>>& allAtomMatchers,
std::vector<sp<ConditionTracker>>& allConditionTrackers,
std::vector<sp<MetricProducer>>& allMetricProducers,
vector<sp<AnomalyTracker>>& allAnomalyTrackers,
vector<sp<AlarmTracker>>& allPeriodicAlarmTrackers,
std::unordered_map<int, std::vector<int>>& conditionToMetricMap,
std::unordered_map<int, std::vector<int>>& trackerToMetricMap,
std::unordered_map<int, std::vector<int>>& trackerToConditionMap,
unordered_map<int, std::vector<int>>& activationAtomTrackerToMetricMap,
unordered_map<int, std::vector<int>>& deactivationAtomTrackerToMetricMap,
std::unordered_map<int64_t, int>& alertTrackerMap,
vector<int>& metricsWithActivation,
std::set<int64_t>& noReportMetricIds);
} // namespace statsd
} // namespace os
} // namespace android
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