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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.
#include "metric_util.h"
#include "stats_event.h"
namespace android {
namespace os {
namespace statsd {
AtomMatcher CreateSimpleAtomMatcher(const string& name, int atomId) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(atomId);
return atom_matcher;
}
AtomMatcher CreateScheduledJobStateChangedAtomMatcher(const string& name,
ScheduledJobStateChanged::State state) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::SCHEDULED_JOB_STATE_CHANGED);
auto field_value_matcher = simple_atom_matcher->add_field_value_matcher();
field_value_matcher->set_field(3); // State field.
field_value_matcher->set_eq_int(state);
return atom_matcher;
}
AtomMatcher CreateStartScheduledJobAtomMatcher() {
return CreateScheduledJobStateChangedAtomMatcher("ScheduledJobStart",
ScheduledJobStateChanged::STARTED);
}
AtomMatcher CreateFinishScheduledJobAtomMatcher() {
return CreateScheduledJobStateChangedAtomMatcher("ScheduledJobFinish",
ScheduledJobStateChanged::FINISHED);
}
AtomMatcher CreateScreenBrightnessChangedAtomMatcher() {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId("ScreenBrightnessChanged"));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::SCREEN_BRIGHTNESS_CHANGED);
return atom_matcher;
}
AtomMatcher CreateUidProcessStateChangedAtomMatcher() {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId("UidProcessStateChanged"));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::UID_PROCESS_STATE_CHANGED);
return atom_matcher;
}
AtomMatcher CreateWakelockStateChangedAtomMatcher(const string& name,
WakelockStateChanged::State state) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::WAKELOCK_STATE_CHANGED);
auto field_value_matcher = simple_atom_matcher->add_field_value_matcher();
field_value_matcher->set_field(4); // State field.
field_value_matcher->set_eq_int(state);
return atom_matcher;
}
AtomMatcher CreateAcquireWakelockAtomMatcher() {
return CreateWakelockStateChangedAtomMatcher("AcquireWakelock", WakelockStateChanged::ACQUIRE);
}
AtomMatcher CreateReleaseWakelockAtomMatcher() {
return CreateWakelockStateChangedAtomMatcher("ReleaseWakelock", WakelockStateChanged::RELEASE);
}
AtomMatcher CreateScreenStateChangedAtomMatcher(
const string& name, android::view::DisplayStateEnum state) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::SCREEN_STATE_CHANGED);
auto field_value_matcher = simple_atom_matcher->add_field_value_matcher();
field_value_matcher->set_field(1); // State field.
field_value_matcher->set_eq_int(state);
return atom_matcher;
}
AtomMatcher CreateScreenTurnedOnAtomMatcher() {
return CreateScreenStateChangedAtomMatcher("ScreenTurnedOn",
android::view::DisplayStateEnum::DISPLAY_STATE_ON);
}
AtomMatcher CreateScreenTurnedOffAtomMatcher() {
return CreateScreenStateChangedAtomMatcher("ScreenTurnedOff",
::android::view::DisplayStateEnum::DISPLAY_STATE_OFF);
}
AtomMatcher CreateSyncStateChangedAtomMatcher(
const string& name, SyncStateChanged::State state) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::SYNC_STATE_CHANGED);
auto field_value_matcher = simple_atom_matcher->add_field_value_matcher();
field_value_matcher->set_field(3); // State field.
field_value_matcher->set_eq_int(state);
return atom_matcher;
}
AtomMatcher CreateSyncStartAtomMatcher() {
return CreateSyncStateChangedAtomMatcher("SyncStart", SyncStateChanged::ON);
}
AtomMatcher CreateSyncEndAtomMatcher() {
return CreateSyncStateChangedAtomMatcher("SyncEnd", SyncStateChanged::OFF);
}
AtomMatcher CreateActivityForegroundStateChangedAtomMatcher(
const string& name, ActivityForegroundStateChanged::State state) {
AtomMatcher atom_matcher;
atom_matcher.set_id(StringToId(name));
auto simple_atom_matcher = atom_matcher.mutable_simple_atom_matcher();
simple_atom_matcher->set_atom_id(android::util::ACTIVITY_FOREGROUND_STATE_CHANGED);
auto field_value_matcher = simple_atom_matcher->add_field_value_matcher();
field_value_matcher->set_field(4); // Activity field.
field_value_matcher->set_eq_int(state);
return atom_matcher;
}
AtomMatcher CreateMoveToBackgroundAtomMatcher() {
return CreateActivityForegroundStateChangedAtomMatcher(
"MoveToBackground", ActivityForegroundStateChanged::BACKGROUND);
}
AtomMatcher CreateMoveToForegroundAtomMatcher() {
return CreateActivityForegroundStateChangedAtomMatcher(
"MoveToForeground", ActivityForegroundStateChanged::FOREGROUND);
}
Predicate CreateScheduledJobPredicate() {
Predicate predicate;
predicate.set_id(StringToId("ScheduledJobRunningPredicate"));
predicate.mutable_simple_predicate()->set_start(StringToId("ScheduledJobStart"));
predicate.mutable_simple_predicate()->set_stop(StringToId("ScheduledJobFinish"));
return predicate;
}
Predicate CreateBatterySaverModePredicate() {
Predicate predicate;
predicate.set_id(StringToId("BatterySaverIsOn"));
predicate.mutable_simple_predicate()->set_start(StringToId("BatterySaverModeStart"));
predicate.mutable_simple_predicate()->set_stop(StringToId("BatterySaverModeStop"));
return predicate;
}
Predicate CreateScreenIsOnPredicate() {
Predicate predicate;
predicate.set_id(StringToId("ScreenIsOn"));
predicate.mutable_simple_predicate()->set_start(StringToId("ScreenTurnedOn"));
predicate.mutable_simple_predicate()->set_stop(StringToId("ScreenTurnedOff"));
return predicate;
}
Predicate CreateScreenIsOffPredicate() {
Predicate predicate;
predicate.set_id(1111123);
predicate.mutable_simple_predicate()->set_start(StringToId("ScreenTurnedOff"));
predicate.mutable_simple_predicate()->set_stop(StringToId("ScreenTurnedOn"));
return predicate;
}
Predicate CreateHoldingWakelockPredicate() {
Predicate predicate;
predicate.set_id(StringToId("HoldingWakelock"));
predicate.mutable_simple_predicate()->set_start(StringToId("AcquireWakelock"));
predicate.mutable_simple_predicate()->set_stop(StringToId("ReleaseWakelock"));
return predicate;
}
Predicate CreateIsSyncingPredicate() {
Predicate predicate;
predicate.set_id(33333333333333);
predicate.mutable_simple_predicate()->set_start(StringToId("SyncStart"));
predicate.mutable_simple_predicate()->set_stop(StringToId("SyncEnd"));
return predicate;
}
Predicate CreateIsInBackgroundPredicate() {
Predicate predicate;
predicate.set_id(StringToId("IsInBackground"));
predicate.mutable_simple_predicate()->set_start(StringToId("MoveToBackground"));
predicate.mutable_simple_predicate()->set_stop(StringToId("MoveToForeground"));
return predicate;
}
void addPredicateToPredicateCombination(const Predicate& predicate,
Predicate* combinationPredicate) {
combinationPredicate->mutable_combination()->add_predicate(predicate.id());
}
FieldMatcher CreateAttributionUidDimensions(const int atomId,
const std::vector<Position>& positions) {
FieldMatcher dimensions;
dimensions.set_field(atomId);
for (const auto position : positions) {
auto child = dimensions.add_child();
child->set_field(1);
child->set_position(position);
child->add_child()->set_field(1);
}
return dimensions;
}
FieldMatcher CreateAttributionUidAndTagDimensions(const int atomId,
const std::vector<Position>& positions) {
FieldMatcher dimensions;
dimensions.set_field(atomId);
for (const auto position : positions) {
auto child = dimensions.add_child();
child->set_field(1);
child->set_position(position);
child->add_child()->set_field(1);
child->add_child()->set_field(2);
}
return dimensions;
}
FieldMatcher CreateDimensions(const int atomId, const std::vector<int>& fields) {
FieldMatcher dimensions;
dimensions.set_field(atomId);
for (const int field : fields) {
dimensions.add_child()->set_field(field);
}
return dimensions;
}
void writeAttribution(AStatsEvent* statsEvent, const vector<int>& attributionUids,
const vector<string>& attributionTags) {
vector<const char*> cTags(attributionTags.size());
for (int i = 0; i < cTags.size(); i++) {
cTags[i] = attributionTags[i].c_str();
}
AStatsEvent_writeAttributionChain(statsEvent,
reinterpret_cast<const uint32_t*>(attributionUids.data()),
cTags.data(), attributionUids.size());
}
void parseStatsEventToLogEvent(AStatsEvent* statsEvent, LogEvent* logEvent) {
AStatsEvent_build(statsEvent);
size_t size;
uint8_t* buf = AStatsEvent_getBuffer(statsEvent, &size);
logEvent->parseBuffer(buf, size);
AStatsEvent_release(statsEvent);
}
std::unique_ptr<LogEvent> CreateScreenStateChangedEvent(
uint64_t timestampNs, const android::view::DisplayStateEnum state) {
AStatsEvent* statsEvent = AStatsEvent_obtain();
AStatsEvent_setAtomId(statsEvent, util::SCREEN_STATE_CHANGED);
AStatsEvent_overwriteTimestamp(statsEvent, timestampNs);
AStatsEvent_writeInt32(statsEvent, state);
std::unique_ptr<LogEvent> logEvent = std::make_unique<LogEvent>(/*uid=*/0, /*pid=*/0);
parseStatsEventToLogEvent(statsEvent, logEvent.get());
return logEvent;
}
std::unique_ptr<LogEvent> CreateScheduledJobStateChangedEvent(
const vector<int>& attributionUids, const vector<string>& attributionTags,
const string& jobName, const ScheduledJobStateChanged::State state, uint64_t timestampNs) {
AStatsEvent* statsEvent = AStatsEvent_obtain();
AStatsEvent_setAtomId(statsEvent, util::SCHEDULED_JOB_STATE_CHANGED);
AStatsEvent_overwriteTimestamp(statsEvent, timestampNs);
writeAttribution(statsEvent, attributionUids, attributionTags);
AStatsEvent_writeString(statsEvent, jobName.c_str());
AStatsEvent_writeInt32(statsEvent, state);
std::unique_ptr<LogEvent> logEvent = std::make_unique<LogEvent>(/*uid=*/0, /*pid=*/0);
parseStatsEventToLogEvent(statsEvent, logEvent.get());
return logEvent;
}
std::unique_ptr<LogEvent> CreateStartScheduledJobEvent(uint64_t timestampNs,
const vector<int>& attributionUids,
const vector<string>& attributionTags,
const string& jobName) {
return CreateScheduledJobStateChangedEvent(attributionUids, attributionTags, jobName,
ScheduledJobStateChanged::STARTED, timestampNs);
}
// Create log event when scheduled job finishes.
std::unique_ptr<LogEvent> CreateFinishScheduledJobEvent(uint64_t timestampNs,
const vector<int>& attributionUids,
const vector<string>& attributionTags,
const string& jobName) {
return CreateScheduledJobStateChangedEvent(attributionUids, attributionTags, jobName,
ScheduledJobStateChanged::FINISHED, timestampNs);
}
std::unique_ptr<LogEvent> CreateSyncStateChangedEvent(uint64_t timestampNs,
const vector<int>& attributionUids,
const vector<string>& attributionTags,
const string& name,
const SyncStateChanged::State state) {
AStatsEvent* statsEvent = AStatsEvent_obtain();
AStatsEvent_setAtomId(statsEvent, util::SYNC_STATE_CHANGED);
AStatsEvent_overwriteTimestamp(statsEvent, timestampNs);
writeAttribution(statsEvent, attributionUids, attributionTags);
AStatsEvent_writeString(statsEvent, name.c_str());
AStatsEvent_writeInt32(statsEvent, state);
std::unique_ptr<LogEvent> logEvent = std::make_unique<LogEvent>(/*uid=*/0, /*pid=*/0);
parseStatsEventToLogEvent(statsEvent, logEvent.get());
return logEvent;
}
std::unique_ptr<LogEvent> CreateSyncStartEvent(uint64_t timestampNs,
const vector<int>& attributionUids,
const vector<string>& attributionTags,
const string& name) {
return CreateSyncStateChangedEvent(timestampNs, attributionUids, attributionTags, name,
SyncStateChanged::ON);
}
std::unique_ptr<LogEvent> CreateSyncEndEvent(uint64_t timestampNs,
const vector<int>& attributionUids,
const vector<string>& attributionTags,
const string& name) {
return CreateSyncStateChangedEvent(timestampNs, attributionUids, attributionTags, name,
SyncStateChanged::OFF);
}
sp<StatsLogProcessor> CreateStatsLogProcessor(const long timeBaseSec, const StatsdConfig& config,
const ConfigKey& key) {
sp<UidMap> uidMap = new UidMap();
sp<StatsPullerManager> pullerManager = new StatsPullerManager();
sp<AlarmMonitor> anomalyAlarmMonitor;
sp<AlarmMonitor> periodicAlarmMonitor;
sp<StatsLogProcessor> processor =
new StatsLogProcessor(uidMap, pullerManager, anomalyAlarmMonitor, periodicAlarmMonitor,
timeBaseSec * NS_PER_SEC, [](const ConfigKey&) { return true; },
[](const int&, const vector<int64_t>&) { return true; });
processor->OnConfigUpdated(timeBaseSec * NS_PER_SEC, key, config);
return processor;
}
void sortLogEventsByTimestamp(std::vector<std::unique_ptr<LogEvent>> *events) {
std::sort(events->begin(), events->end(),
[](const std::unique_ptr<LogEvent>& a, const std::unique_ptr<LogEvent>& b) {
return a->GetElapsedTimestampNs() < b->GetElapsedTimestampNs();
});
}
int64_t StringToId(const string& str) {
return static_cast<int64_t>(std::hash<std::string>()(str));
}
} // namespace statsd
} // namespace os
} // namespace android