| /* |
| * 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. |
| */ |
| |
| #define DEBUG true // STOPSHIP if true |
| #include "Log.h" |
| |
| #include "EventMetricProducer.h" |
| #include "stats_util.h" |
| |
| #include <limits.h> |
| #include <stdlib.h> |
| |
| using namespace android::util; |
| using android::util::ProtoOutputStream; |
| using std::map; |
| using std::string; |
| using std::unordered_map; |
| using std::vector; |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| // for StatsLogReport |
| const int FIELD_ID_METRIC_ID = 1; |
| const int FIELD_ID_START_REPORT_NANOS = 2; |
| const int FIELD_ID_END_REPORT_NANOS = 3; |
| const int FIELD_ID_EVENT_METRICS = 4; |
| // for EventMetricDataWrapper |
| const int FIELD_ID_DATA = 1; |
| // for EventMetricData |
| const int FIELD_ID_TIMESTAMP_NANOS = 1; |
| const int FIELD_ID_STATS_EVENTS = 2; |
| |
| EventMetricProducer::EventMetricProducer(const EventMetric& metric, const int conditionIndex, |
| const sp<ConditionWizard>& wizard) |
| // TODO: Pass in the start time from MetricsManager, instead of calling time() here. |
| : MetricProducer((time(nullptr) * NANO_SECONDS_IN_A_SECOND), conditionIndex, wizard), |
| mMetric(metric) { |
| if (metric.links().size() > 0) { |
| mConditionLinks.insert(mConditionLinks.begin(), metric.links().begin(), |
| metric.links().end()); |
| mConditionSliced = true; |
| } |
| |
| startNewProtoOutputStream(mStartTimeNs); |
| |
| VLOG("metric %lld created. bucket size %lld start_time: %lld", metric.metric_id(), |
| (long long)mBucketSizeNs, (long long)mStartTimeNs); |
| } |
| |
| EventMetricProducer::~EventMetricProducer() { |
| VLOG("~EventMetricProducer() called"); |
| } |
| |
| void EventMetricProducer::startNewProtoOutputStream(long long startTime) { |
| mProto = std::make_unique<ProtoOutputStream>(); |
| // TODO: We need to auto-generate the field IDs for StatsLogReport, EventMetricData, |
| // and StatsEvent. |
| mProto->write(FIELD_TYPE_INT32 | FIELD_ID_METRIC_ID, mMetric.metric_id()); |
| mProto->write(FIELD_TYPE_INT64 | FIELD_ID_START_REPORT_NANOS, startTime); |
| mProtoToken = mProto->start(FIELD_TYPE_MESSAGE | FIELD_ID_EVENT_METRICS); |
| } |
| |
| void EventMetricProducer::finish() { |
| } |
| |
| void EventMetricProducer::onSlicedConditionMayChange(const uint64_t eventTime) { |
| } |
| |
| StatsLogReport EventMetricProducer::onDumpReport() { |
| long long endTime = time(nullptr) * NANO_SECONDS_IN_A_SECOND; |
| mProto->end(mProtoToken); |
| mProto->write(FIELD_TYPE_INT64 | FIELD_ID_END_REPORT_NANOS, endTime); |
| |
| size_t bufferSize = mProto->size(); |
| VLOG("metric %lld dump report now... proto size: %zu ", mMetric.metric_id(), bufferSize); |
| std::unique_ptr<uint8_t[]> buffer(new uint8_t[bufferSize]); |
| size_t pos = 0; |
| auto it = mProto->data(); |
| while (it.readBuffer() != NULL) { |
| size_t toRead = it.currentToRead(); |
| std::memcpy(&buffer[pos], it.readBuffer(), toRead); |
| pos += toRead; |
| it.rp()->move(toRead); |
| } |
| |
| startNewProtoOutputStream(endTime); |
| |
| // TODO: Once we migrate all MetricProducers to use ProtoOutputStream, we should return this: |
| // return std::move(buffer); |
| return StatsLogReport(); |
| } |
| |
| void EventMetricProducer::onConditionChanged(const bool conditionMet, const uint64_t eventTime) { |
| VLOG("Metric %lld onConditionChanged", mMetric.metric_id()); |
| mCondition = conditionMet; |
| } |
| |
| void EventMetricProducer::onMatchedLogEventInternal( |
| const size_t matcherIndex, const HashableDimensionKey& eventKey, |
| const std::map<std::string, HashableDimensionKey>& conditionKey, bool condition, |
| const LogEvent& event, bool scheduledPull) { |
| |
| if (!condition) { |
| return; |
| } |
| |
| long long wrapperToken = mProto->start(FIELD_TYPE_MESSAGE | FIELD_ID_DATA); |
| mProto->write(FIELD_TYPE_INT64 | FIELD_ID_TIMESTAMP_NANOS, (long long)event.GetTimestampNs()); |
| long long eventToken = mProto->start(FIELD_TYPE_MESSAGE | FIELD_ID_STATS_EVENTS); |
| event.ToProto(*mProto); |
| mProto->end(eventToken); |
| mProto->end(wrapperToken); |
| } |
| |
| size_t EventMetricProducer::byteSize() { |
| return mProto->size(); |
| } |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |