/*
* Copyright 2016 Naver Corp.
*
* 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.
*/
package com.navercorp.pinpoint.common.server.bo.codec.stat.v2;
import com.navercorp.pinpoint.common.buffer.Buffer;
import com.navercorp.pinpoint.common.server.bo.codec.stat.AgentStatCodec;
import com.navercorp.pinpoint.common.server.bo.codec.stat.AgentStatDataPointCodec;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.AgentStatHeaderDecoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.AgentStatHeaderEncoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.BitCountingHeaderDecoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.BitCountingHeaderEncoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.StrategyAnalyzer;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.UnsignedLongEncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.codec.strategy.EncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.serializer.stat.AgentStatDecodingContext;
import com.navercorp.pinpoint.common.server.bo.serializer.stat.AgentStatUtils;
import com.navercorp.pinpoint.common.server.bo.stat.JvmGcDetailedBo;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
/**
* @author HyunGil Jeong
*/
@Component("jvmGcDetailedCodecV2")
public class JvmGcDetailedCodecV2 implements AgentStatCodec<JvmGcDetailedBo> {
private static final byte VERSION = 2;
private final AgentStatDataPointCodec codec;
@Autowired
public JvmGcDetailedCodecV2(AgentStatDataPointCodec codec) {
this.codec = codec;
}
@Override
public byte getVersion() {
return VERSION;
}
@Override
public void encodeValues(Buffer valueBuffer, List<JvmGcDetailedBo> jvmGcDetailedBos) {
if (CollectionUtils.isEmpty(jvmGcDetailedBos)) {
throw new IllegalArgumentException("jvmGcDetailedBos must not be empty");
}
final int numValues = jvmGcDetailedBos.size();
valueBuffer.putVInt(numValues);
List<Long> startTimestamps = new ArrayList<Long>(numValues);
List<Long> timestamps = new ArrayList<Long>(numValues);
UnsignedLongEncodingStrategy.Analyzer.Builder gcNewCountAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder gcNewTimeAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder codeCacheUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder newGenUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder oldGenUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder survivorSpaceUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder permGenUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder metaspaceUsedStrategyAnalyzer = new UnsignedLongEncodingStrategy.Analyzer.Builder();
for (JvmGcDetailedBo jvmGcDetailedBo : jvmGcDetailedBos) {
startTimestamps.add(jvmGcDetailedBo.getStartTimestamp());
timestamps.add(jvmGcDetailedBo.getTimestamp());
gcNewCountAnalyzerBuilder.addValue(jvmGcDetailedBo.getGcNewCount());
gcNewTimeAnalyzerBuilder.addValue(jvmGcDetailedBo.getGcNewTime());
codeCacheUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getCodeCacheUsed()));
newGenUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getNewGenUsed()));
oldGenUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getOldGenUsed()));
survivorSpaceUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getSurvivorSpaceUsed()));
permGenUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getPermGenUsed()));
metaspaceUsedStrategyAnalyzer.addValue(AgentStatUtils.convertDoubleToLong(jvmGcDetailedBo.getMetaspaceUsed()));
}
this.codec.encodeValues(valueBuffer, UnsignedLongEncodingStrategy.REPEAT_COUNT, startTimestamps);
this.codec.encodeTimestamps(valueBuffer, timestamps);
this.encodeDataPoints(
valueBuffer,
gcNewCountAnalyzerBuilder.build(),
gcNewTimeAnalyzerBuilder.build(),
codeCacheUsedStrategyAnalyzer.build(),
newGenUsedStrategyAnalyzer.build(),
oldGenUsedStrategyAnalyzer.build(),
survivorSpaceUsedStrategyAnalyzer.build(),
permGenUsedStrategyAnalyzer.build(),
metaspaceUsedStrategyAnalyzer.build());
}
private void encodeDataPoints(
Buffer valueBuffer,
StrategyAnalyzer<Long> gcNewCountStrategyAnalyzer,
StrategyAnalyzer<Long> gcNewTimeStrategyAnalyzer,
StrategyAnalyzer<Long> codeCacheUsedStrategyAnalyzer,
StrategyAnalyzer<Long> newGenUsedStrategyAnalyzer,
StrategyAnalyzer<Long> oldGenUsedStrategyAnalyzer,
StrategyAnalyzer<Long> survivorSpaceUsedStrategyAnalyzer,
StrategyAnalyzer<Long> permGenUsedStrategyAnalyzer,
StrategyAnalyzer<Long> metaspaceUsedStrategyAnalyzer) {
// encode header
AgentStatHeaderEncoder headerEncoder = new BitCountingHeaderEncoder();
headerEncoder.addCode(gcNewCountStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(gcNewTimeStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(codeCacheUsedStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(newGenUsedStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(oldGenUsedStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(survivorSpaceUsedStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(permGenUsedStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(metaspaceUsedStrategyAnalyzer.getBestStrategy().getCode());
final byte[] header = headerEncoder.getHeader();
valueBuffer.putPrefixedBytes(header);
// encode values
this.codec.encodeValues(valueBuffer, gcNewCountStrategyAnalyzer.getBestStrategy(), gcNewCountStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, gcNewTimeStrategyAnalyzer.getBestStrategy(), gcNewTimeStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, codeCacheUsedStrategyAnalyzer.getBestStrategy(), codeCacheUsedStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, newGenUsedStrategyAnalyzer.getBestStrategy(), newGenUsedStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, oldGenUsedStrategyAnalyzer.getBestStrategy(), oldGenUsedStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, survivorSpaceUsedStrategyAnalyzer.getBestStrategy(), survivorSpaceUsedStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, permGenUsedStrategyAnalyzer.getBestStrategy(), permGenUsedStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, metaspaceUsedStrategyAnalyzer.getBestStrategy(), metaspaceUsedStrategyAnalyzer.getValues());
}
@Override
public List<JvmGcDetailedBo> decodeValues(Buffer valueBuffer, AgentStatDecodingContext decodingContext) {
final String agentId = decodingContext.getAgentId();
final long baseTimestamp = decodingContext.getBaseTimestamp();
final long timestampDelta = decodingContext.getTimestampDelta();
final long initialTimestamp = baseTimestamp + timestampDelta;
int numValues = valueBuffer.readVInt();
List<Long> startTimestamps = this.codec.decodeValues(valueBuffer, UnsignedLongEncodingStrategy.REPEAT_COUNT, numValues);
List<Long> timestamps = this.codec.decodeTimestamps(initialTimestamp, valueBuffer, numValues);
// decode headers
final byte[] header = valueBuffer.readPrefixedBytes();
AgentStatHeaderDecoder headerDecoder = new BitCountingHeaderDecoder(header);
EncodingStrategy<Long> gcNewCountEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> gcNewTimeEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> codeCacheUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> newGenUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> oldGenUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> survivorSpaceUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> permGenUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> metaspaceUsedEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
// decode values
List<Long> gcNewCounts = this.codec.decodeValues(valueBuffer, gcNewCountEncodingStrategy, numValues);
List<Long> gcNewTimes = this.codec.decodeValues(valueBuffer, gcNewTimeEncodingStrategy, numValues);
List<Long> codeCacheUseds = this.codec.decodeValues(valueBuffer, codeCacheUsedEncodingStrategy, numValues);
List<Long> newGenUseds = this.codec.decodeValues(valueBuffer, newGenUsedEncodingStrategy, numValues);
List<Long> oldGenUseds = this.codec.decodeValues(valueBuffer, oldGenUsedEncodingStrategy, numValues);
List<Long> survivorSpaceUseds = this.codec.decodeValues(valueBuffer, survivorSpaceUsedEncodingStrategy, numValues);
List<Long> permGenUseds = this.codec.decodeValues(valueBuffer, permGenUsedEncodingStrategy, numValues);
List<Long> metaspaceUseds = this.codec.decodeValues(valueBuffer, metaspaceUsedEncodingStrategy, numValues);
List<JvmGcDetailedBo> jvmGcDetailedBos = new ArrayList<JvmGcDetailedBo>(numValues);
for (int i = 0; i < numValues; ++i) {
JvmGcDetailedBo jvmGcDetailedBo = new JvmGcDetailedBo();
jvmGcDetailedBo.setAgentId(agentId);
jvmGcDetailedBo.setStartTimestamp(startTimestamps.get(i));
jvmGcDetailedBo.setTimestamp(timestamps.get(i));
jvmGcDetailedBo.setGcNewCount(gcNewCounts.get(i));
jvmGcDetailedBo.setGcNewTime(gcNewTimes.get(i));
jvmGcDetailedBo.setCodeCacheUsed(AgentStatUtils.convertLongToDouble(codeCacheUseds.get(i)));
jvmGcDetailedBo.setNewGenUsed(AgentStatUtils.convertLongToDouble(newGenUseds.get(i)));
jvmGcDetailedBo.setOldGenUsed(AgentStatUtils.convertLongToDouble(oldGenUseds.get(i)));
jvmGcDetailedBo.setSurvivorSpaceUsed(AgentStatUtils.convertLongToDouble(survivorSpaceUseds.get(i)));
jvmGcDetailedBo.setPermGenUsed(AgentStatUtils.convertLongToDouble(permGenUseds.get(i)));
jvmGcDetailedBo.setMetaspaceUsed(AgentStatUtils.convertLongToDouble(metaspaceUseds.get(i)));
jvmGcDetailedBos.add(jvmGcDetailedBo);
}
return jvmGcDetailedBos;
}
}