/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "metricslogger/metrics_logger.h"
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#include <cstdlib>
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#include <android-base/chrono_utils.h>
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#include <log/event_tag_map.h>
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using namespace android;
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namespace {
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const static int kStatsEventTag = 1937006964;
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const static int kKeyValuePairAtomId = 83;
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#ifdef __ANDROID__
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EventTagMap* kEventTagMap = android_openEventTagMap(nullptr);
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const int kSysuiMultiActionTag = android_lookupEventTagNum(
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kEventTagMap, "sysui_multi_action", "(content|4)", ANDROID_LOG_UNKNOWN);
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#else
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// android_openEventTagMap does not work on host builds.
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const int kSysuiMultiActionTag = 0;
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#endif
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int64_t getElapsedTimeNanoSinceBoot() {
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return std::chrono::duration_cast<std::chrono::nanoseconds>(
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android::base::boot_clock::now().time_since_epoch())
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.count();
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}
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} // namespace
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namespace android {
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namespace metricslogger {
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// Mirror com.android.internal.logging.MetricsLogger#histogram().
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void LogHistogram(const std::string& event, int32_t data) {
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android_log_event_list log(kSysuiMultiActionTag);
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log << LOGBUILDER_CATEGORY << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event
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<< LOGBUILDER_BUCKET << data << LOGBUILDER_VALUE << 1 << LOG_ID_EVENTS;
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stats_event_list stats_log(kStatsEventTag);
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stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
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<< LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event << LOGBUILDER_BUCKET << data
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<< LOGBUILDER_VALUE << 1;
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stats_log.write(LOG_ID_STATS);
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}
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// Mirror com.android.internal.logging.MetricsLogger#count().
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void LogCounter(const std::string& name, int32_t val) {
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android_log_event_list log(kSysuiMultiActionTag);
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log << LOGBUILDER_CATEGORY << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE
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<< val << LOG_ID_EVENTS;
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stats_event_list stats_log(kStatsEventTag);
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stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
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<< LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE << val;
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stats_log.write(LOG_ID_STATS);
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}
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// Mirror com.android.internal.logging.MetricsLogger#action().
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void LogMultiAction(int32_t category, int32_t field, const std::string& value) {
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android_log_event_list log(kSysuiMultiActionTag);
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log << LOGBUILDER_CATEGORY << category << LOGBUILDER_TYPE << TYPE_ACTION
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<< field << value << LOG_ID_EVENTS;
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stats_event_list stats_log(kStatsEventTag);
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stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
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<< category << LOGBUILDER_TYPE << TYPE_ACTION << field << value;
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stats_log.write(LOG_ID_STATS);
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}
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ComplexEventLogger::ComplexEventLogger(int category)
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: logger(kSysuiMultiActionTag), stats_logger(kStatsEventTag) {
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logger << LOGBUILDER_CATEGORY << category;
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stats_logger << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY
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<< category;
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}
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void ComplexEventLogger::SetPackageName(const std::string& package_name) {
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logger << LOGBUILDER_PACKAGENAME << package_name;
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stats_logger << LOGBUILDER_PACKAGENAME << package_name;
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}
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void ComplexEventLogger::AddTaggedData(int tag, int32_t value) {
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logger << tag << value;
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stats_logger << tag << value;
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}
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void ComplexEventLogger::AddTaggedData(int tag, const std::string& value) {
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logger << tag << value;
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stats_logger << tag << value;
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}
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void ComplexEventLogger::AddTaggedData(int tag, int64_t value) {
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logger << tag << value;
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stats_logger << tag << value;
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}
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void ComplexEventLogger::AddTaggedData(int tag, float value) {
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logger << tag << value;
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stats_logger << tag << value;
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}
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void ComplexEventLogger::Record() {
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logger << LOG_ID_EVENTS;
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stats_logger.write(LOG_ID_STATS);
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}
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} // namespace metricslogger
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} // namespace android
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