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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.dubbo.metrics.data;
import org.apache.dubbo.common.utils.ConcurrentHashMapUtils;
import org.apache.dubbo.metrics.model.MetricsCategory;
import org.apache.dubbo.metrics.model.key.MetricsKeyWrapper;
import org.apache.dubbo.metrics.model.container.AtomicLongContainer;
import org.apache.dubbo.metrics.model.container.LongAccumulatorContainer;
import org.apache.dubbo.metrics.model.container.LongContainer;
import org.apache.dubbo.metrics.model.key.MetricsKey;
import org.apache.dubbo.metrics.model.key.MetricsPlaceValue;
import org.apache.dubbo.metrics.model.sample.GaugeMetricSample;
import org.apache.dubbo.metrics.model.sample.MetricSample;
import org.apache.dubbo.metrics.report.MetricsExport;
import org.apache.dubbo.rpc.Invocation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.LongAccumulator;
import java.util.stream.Collectors;
@SuppressWarnings({"rawtypes", "unchecked"})
public class RtStatComposite implements MetricsExport {
private final List> rtStats = new ArrayList<>();
public void init(MetricsPlaceValue... placeValues) {
if (placeValues == null) {
return;
}
Arrays.stream(placeValues).forEach(metricsPlaceType -> rtStats.addAll(initStats(metricsPlaceType)));
}
private List> initStats(MetricsPlaceValue placeValue) {
List> singleRtStats = new ArrayList<>();
singleRtStats.add(new AtomicLongContainer(new MetricsKeyWrapper(MetricsKey.METRIC_RT_LAST, placeValue)));
singleRtStats.add(new LongAccumulatorContainer(new MetricsKeyWrapper(MetricsKey.METRIC_RT_MIN, placeValue), new LongAccumulator(Long::min, Long.MAX_VALUE)));
singleRtStats.add(new LongAccumulatorContainer(new MetricsKeyWrapper(MetricsKey.METRIC_RT_MAX, placeValue), new LongAccumulator(Long::max, Long.MIN_VALUE)));
singleRtStats.add(new AtomicLongContainer(new MetricsKeyWrapper(MetricsKey.METRIC_RT_SUM, placeValue), (responseTime, longAccumulator) -> longAccumulator.addAndGet(responseTime)));
// AvgContainer is a special counter that stores the number of times but outputs function of sum/times
AtomicLongContainer avgContainer = new AtomicLongContainer(new MetricsKeyWrapper(MetricsKey.METRIC_RT_AVG, placeValue), (k, v) -> v.incrementAndGet());
avgContainer.setValueSupplier(applicationName -> {
LongContainer totalContainer = rtStats.stream().filter(longContainer -> longContainer.isKeyWrapper(MetricsKey.METRIC_RT_SUM, placeValue.getType())).findFirst().get();
AtomicLong totalRtTimes = avgContainer.get(applicationName);
AtomicLong totalRtSum = (AtomicLong) totalContainer.get(applicationName);
return totalRtSum.get() / totalRtTimes.get();
});
singleRtStats.add(avgContainer);
return singleRtStats;
}
public void calcApplicationRt(String applicationName, String registryOpType, Long responseTime) {
for (LongContainer container : rtStats.stream().filter(longContainer -> longContainer.specifyType(registryOpType)).collect(Collectors.toList())) {
Number current = (Number) ConcurrentHashMapUtils.computeIfAbsent(container, applicationName, container.getInitFunc());
container.getConsumerFunc().accept(responseTime, current);
}
}
public void calcServiceKeyRt(String applicationName, String serviceKey, String registryOpType, Long responseTime) {
for (LongContainer container : rtStats.stream().filter(longContainer -> longContainer.specifyType(registryOpType)).collect(Collectors.toList())) {
Number current = (Number) ConcurrentHashMapUtils.computeIfAbsent(container, applicationName + "_" + serviceKey, container.getInitFunc());
container.getConsumerFunc().accept(responseTime, current);
}
}
public void calcMethodKeyRt(String applicationName, Invocation invocation, String registryOpType, Long responseTime) {
for (LongContainer container : rtStats.stream().filter(longContainer -> longContainer.specifyType(registryOpType)).collect(Collectors.toList())) {
Number current = (Number) ConcurrentHashMapUtils.computeIfAbsent(container, applicationName + "_" + invocation.getServiceName() + "_" + invocation.getMethodName(), container.getInitFunc());
container.getConsumerFunc().accept(responseTime, current);
}
}
public List export(MetricsCategory category) {
List list = new ArrayList<>();
for (LongContainer rtContainer : rtStats) {
MetricsKeyWrapper metricsKeyWrapper = rtContainer.getMetricsKeyWrapper();
for (Map.Entry entry : rtContainer.entrySet()) {
list.add(new GaugeMetricSample<>(metricsKeyWrapper.targetKey(), metricsKeyWrapper.targetDesc(), metricsKeyWrapper.tagName(entry.getKey()), category, entry.getKey().intern(), value -> rtContainer.getValueSupplier().apply(value.intern())));
}
}
return list;
}
public List> getRtStats() {
return rtStats;
}
}