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metrics_logger.cpp
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metrics_logger.cpp
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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 "metricslogger/metrics_logger.h"
#include <cstdlib>
#include <log/event_tag_map.h>
#include <log/log_event_list.h>
namespace {
#ifdef __ANDROID__
EventTagMap* kEventTagMap = android_openEventTagMap(nullptr);
const int kSysuiMultiActionTag = android_lookupEventTagNum(
kEventTagMap, "sysui_multi_action", "(content|4)", ANDROID_LOG_UNKNOWN);
#else
// android_openEventTagMap does not work on host builds.
const int kSysuiMultiActionTag = 0;
#endif
} // namespace
namespace android {
namespace metricslogger {
// Mirror com.android.internal.logging.MetricsLogger#histogram().
void LogHistogram(const std::string& event, int32_t data) {
android_log_event_list log(kSysuiMultiActionTag);
log << LOGBUILDER_CATEGORY << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event
<< LOGBUILDER_BUCKET << data << LOGBUILDER_VALUE << 1 << LOG_ID_EVENTS;
}
// Mirror com.android.internal.logging.MetricsLogger#count().
void LogCounter(const std::string& name, int32_t val) {
android_log_event_list log(kSysuiMultiActionTag);
log << LOGBUILDER_CATEGORY << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE
<< val << LOG_ID_EVENTS;
}
// Mirror com.android.internal.logging.MetricsLogger#action().
void LogMultiAction(int32_t category, int32_t field, const std::string& value) {
android_log_event_list log(kSysuiMultiActionTag);
log << LOGBUILDER_CATEGORY << category << LOGBUILDER_TYPE << TYPE_ACTION
<< field << value << LOG_ID_EVENTS;
}
ComplexEventLogger::ComplexEventLogger(int category) : logger(kSysuiMultiActionTag) {
logger << LOGBUILDER_CATEGORY << category;
}
void ComplexEventLogger::SetPackageName(const std::string& package_name) {
logger << LOGBUILDER_PACKAGENAME << package_name;
}
void ComplexEventLogger::AddTaggedData(int tag, int32_t value) {
logger << tag << value;
}
void ComplexEventLogger::AddTaggedData(int tag, const std::string& value) {
logger << tag << value;
}
void ComplexEventLogger::AddTaggedData(int tag, int64_t value) {
logger << tag << value;
}
void ComplexEventLogger::AddTaggedData(int tag, float value) {
logger << tag << value;
}
void ComplexEventLogger::Record() {
logger << LOG_ID_EVENTS;
}
} // namespace metricslogger
} // namespace android