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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.
*/
#define DEBUG false // STOPSHIP if true
#include "Log.h"
#include "EventMetricProducer.h"
#include "stats_util.h"
#include <limits.h>
#include <stdlib.h>
using android::util::FIELD_COUNT_REPEATED;
using android::util::FIELD_TYPE_BOOL;
using android::util::FIELD_TYPE_FLOAT;
using android::util::FIELD_TYPE_INT32;
using android::util::FIELD_TYPE_INT64;
using android::util::FIELD_TYPE_STRING;
using android::util::FIELD_TYPE_MESSAGE;
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_ID = 1;
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_ATOMS = 2;
EventMetricProducer::EventMetricProducer(const ConfigKey& key, const EventMetric& metric,
const int conditionIndex,
const sp<ConditionWizard>& wizard,
const uint64_t startTimeNs)
: MetricProducer(metric.id(), key, startTimeNs, conditionIndex, wizard) {
if (metric.links().size() > 0) {
for (const auto& link : metric.links()) {
Metric2Condition mc;
mc.conditionId = link.condition();
translateFieldMatcher(link.fields_in_what(), &mc.metricFields);
translateFieldMatcher(link.fields_in_condition(), &mc.conditionFields);
mMetric2ConditionLinks.push_back(mc);
}
mConditionSliced = true;
}
mProto = std::make_unique<ProtoOutputStream>();
VLOG("metric %lld created. bucket size %lld start_time: %lld", (long long)metric.id(),
(long long)mBucketSizeNs, (long long)mStartTimeNs);
}
EventMetricProducer::~EventMetricProducer() {
VLOG("~EventMetricProducer() called");
}
void EventMetricProducer::onSlicedConditionMayChangeLocked(const uint64_t eventTime) {
}
std::unique_ptr<std::vector<uint8_t>> serializeProtoLocked(ProtoOutputStream& protoOutput) {
size_t bufferSize = protoOutput.size();
std::unique_ptr<std::vector<uint8_t>> buffer(new std::vector<uint8_t>(bufferSize));
size_t pos = 0;
auto it = protoOutput.data();
while (it.readBuffer() != NULL) {
size_t toRead = it.currentToRead();
std::memcpy(&((*buffer)[pos]), it.readBuffer(), toRead);
pos += toRead;
it.rp()->move(toRead);
}
return buffer;
}
void EventMetricProducer::onDumpReportLocked(const uint64_t dumpTimeNs,
ProtoOutputStream* protoOutput) {
if (mProto->size() <= 0) {
return;
}
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_ID, (long long)mMetricId);
size_t bufferSize = mProto->size();
VLOG("metric %lld dump report now... proto size: %zu ",
(long long)mMetricId, bufferSize);
std::unique_ptr<std::vector<uint8_t>> buffer = serializeProtoLocked(*mProto);
protoOutput->write(FIELD_TYPE_MESSAGE | FIELD_ID_EVENT_METRICS,
reinterpret_cast<char*>(buffer.get()->data()), buffer.get()->size());
mProto->clear();
}
void EventMetricProducer::onConditionChangedLocked(const bool conditionMet,
const uint64_t eventTime) {
VLOG("Metric %lld onConditionChanged", (long long)mMetricId);
mCondition = conditionMet;
}
void EventMetricProducer::onMatchedLogEventInternalLocked(
const size_t matcherIndex, const MetricDimensionKey& eventKey,
const ConditionKey& conditionKey, bool condition,
const LogEvent& event) {
if (!condition) {
return;
}
long long wrapperToken =
mProto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | 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_ATOMS);
event.ToProto(*mProto);
mProto->end(eventToken);
mProto->end(wrapperToken);
}
size_t EventMetricProducer::byteSizeLocked() const {
return mProto->bytesWritten();
}
} // namespace statsd
} // namespace os
} // namespace android
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