/*
* Copyright 2017 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.StringEncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.UnsignedIntegerEncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.UnsignedLongEncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.UnsignedShortEncodingStrategy;
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.stat.DataSourceBo;
import com.navercorp.pinpoint.common.server.bo.stat.DataSourceListBo;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import java.util.ArrayList;
import java.util.List;
/**
* @author Taejin Koo
*/
@Component("dataSourceCodecV2")
public class DataSourceCodecV2 implements AgentStatCodec<DataSourceListBo> {
private static final byte VERSION = 2;
private final AgentStatDataPointCodec codec;
@Autowired
public DataSourceCodecV2(AgentStatDataPointCodec codec) {
Assert.notNull(codec, "agentStatDataPointCodec must not be null");
this.codec = codec;
}
@Override
public byte getVersion() {
return VERSION;
}
@Override
public void encodeValues(Buffer valueBuffer, List<DataSourceListBo> dataSourceListBos) {
if (CollectionUtils.isEmpty(dataSourceListBos)) {
throw new IllegalArgumentException("dataSourceListBos must not be empty");
}
final int numValues = dataSourceListBos.size();
valueBuffer.putVInt(numValues);
for (DataSourceListBo dataSourceListBo : dataSourceListBos) {
encodeDataSourceListBo(valueBuffer, dataSourceListBo);
}
}
private void encodeDataSourceListBo(Buffer valueBuffer, DataSourceListBo dataSourceListBo) {
final int numValues = dataSourceListBo.size();
valueBuffer.putVInt(numValues);
if (numValues == 0) {
return;
}
// id // int
// serviceTypeCode // short
// name // string
// jdbcUrl // string
// activeConnectionSize //int
// maxConnectionSize // int
List<Long> startTimestamps = new ArrayList<Long>(numValues);
List<Long> timestamps = new ArrayList<Long>(numValues);
UnsignedIntegerEncodingStrategy.Analyzer.Builder idAnalyzerBuilder = new UnsignedIntegerEncodingStrategy.Analyzer.Builder();
UnsignedShortEncodingStrategy.Analyzer.Builder serviceTypeAnalyzerBuilder = new UnsignedShortEncodingStrategy.Analyzer.Builder();
StringEncodingStrategy.Analyzer.Builder databaseNameAnalyzerBuilder = new StringEncodingStrategy.Analyzer.Builder();
StringEncodingStrategy.Analyzer.Builder jdbcUrlAnalyzerBuilder = new StringEncodingStrategy.Analyzer.Builder();
UnsignedIntegerEncodingStrategy.Analyzer.Builder activeConnectionSizeAnalyzerBuilder = new UnsignedIntegerEncodingStrategy.Analyzer.Builder();
UnsignedIntegerEncodingStrategy.Analyzer.Builder maxConnectionSizeAnalyzerBuilder = new UnsignedIntegerEncodingStrategy.Analyzer.Builder();
for (DataSourceBo dataSourceBo : dataSourceListBo.getList()) {
startTimestamps.add(dataSourceBo.getStartTimestamp());
timestamps.add(dataSourceBo.getTimestamp());
idAnalyzerBuilder.addValue(dataSourceBo.getId());
serviceTypeAnalyzerBuilder.addValue(dataSourceBo.getServiceTypeCode());
databaseNameAnalyzerBuilder.addValue(dataSourceBo.getDatabaseName());
jdbcUrlAnalyzerBuilder.addValue(dataSourceBo.getJdbcUrl());
activeConnectionSizeAnalyzerBuilder.addValue(dataSourceBo.getActiveConnectionSize());
maxConnectionSizeAnalyzerBuilder.addValue(dataSourceBo.getMaxConnectionSize());
}
this.codec.encodeValues(valueBuffer, UnsignedLongEncodingStrategy.REPEAT_COUNT, startTimestamps);
this.codec.encodeTimestamps(valueBuffer, timestamps);
this.encodeDataPoints(valueBuffer, idAnalyzerBuilder.build(), serviceTypeAnalyzerBuilder.build(),
databaseNameAnalyzerBuilder.build(), jdbcUrlAnalyzerBuilder.build(),
activeConnectionSizeAnalyzerBuilder.build(), maxConnectionSizeAnalyzerBuilder.build());
}
private void encodeDataPoints(Buffer valueBuffer, StrategyAnalyzer<Integer> idAnalyzerBuilder, StrategyAnalyzer<Short> serviceTypeAnalyzerBuilder,
StrategyAnalyzer<String> databaseNameAnalyzerBuilder, StrategyAnalyzer<String> jdbcUrlAnalyzerBuilder,
StrategyAnalyzer<Integer> activeConnectionSizeAnalyzerBuilder, StrategyAnalyzer<Integer> maxConnectionSizeAnalyzerBuilder) {
// encode header
AgentStatHeaderEncoder headerEncoder = new BitCountingHeaderEncoder();
headerEncoder.addCode(idAnalyzerBuilder.getBestStrategy().getCode());
headerEncoder.addCode(serviceTypeAnalyzerBuilder.getBestStrategy().getCode());
headerEncoder.addCode(databaseNameAnalyzerBuilder.getBestStrategy().getCode());
headerEncoder.addCode(jdbcUrlAnalyzerBuilder.getBestStrategy().getCode());
headerEncoder.addCode(activeConnectionSizeAnalyzerBuilder.getBestStrategy().getCode());
headerEncoder.addCode(maxConnectionSizeAnalyzerBuilder.getBestStrategy().getCode());
final byte[] header = headerEncoder.getHeader();
valueBuffer.putPrefixedBytes(header);
// encode values
this.codec.encodeValues(valueBuffer, idAnalyzerBuilder.getBestStrategy(), idAnalyzerBuilder.getValues());
this.codec.encodeValues(valueBuffer, serviceTypeAnalyzerBuilder.getBestStrategy(), serviceTypeAnalyzerBuilder.getValues());
this.codec.encodeValues(valueBuffer, databaseNameAnalyzerBuilder.getBestStrategy(), databaseNameAnalyzerBuilder.getValues());
this.codec.encodeValues(valueBuffer, jdbcUrlAnalyzerBuilder.getBestStrategy(), jdbcUrlAnalyzerBuilder.getValues());
this.codec.encodeValues(valueBuffer, activeConnectionSizeAnalyzerBuilder.getBestStrategy(), activeConnectionSizeAnalyzerBuilder.getValues());
this.codec.encodeValues(valueBuffer, maxConnectionSizeAnalyzerBuilder.getBestStrategy(), maxConnectionSizeAnalyzerBuilder.getValues());
}
@Override
public List<DataSourceListBo> decodeValues(Buffer valueBuffer, AgentStatDecodingContext decodingContext) {
int numValues = valueBuffer.readVInt();
List<DataSourceListBo> dataSourceListBos = new ArrayList<DataSourceListBo>(numValues);
for (int i = 0; i < numValues; i++) {
DataSourceListBo dataSourceListBo = decodeValue(valueBuffer, decodingContext);
dataSourceListBos.add(dataSourceListBo);
}
return dataSourceListBos;
}
private DataSourceListBo decodeValue(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<Integer> idEncodingStrategy = UnsignedIntegerEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Short> serviceTypeEncodingStrategy = UnsignedShortEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<String> databaseNameEncodingStrategy = StringEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<String> urlEncodingStrategy = StringEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Integer> activeConnectionSizeStrategy = UnsignedIntegerEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Integer> maxConnectionSizeStrategy = UnsignedIntegerEncodingStrategy.getFromCode(headerDecoder.getCode());
List<Integer> ids = this.codec.decodeValues(valueBuffer, idEncodingStrategy, numValues);
List<Short> serviceTypeCodes = this.codec.decodeValues(valueBuffer, serviceTypeEncodingStrategy, numValues);
List<String> databaseNames = this.codec.decodeValues(valueBuffer, databaseNameEncodingStrategy, numValues);
List<String> jdbcUrls = this.codec.decodeValues(valueBuffer, urlEncodingStrategy, numValues);
List<Integer> activeConnectionSizes = this.codec.decodeValues(valueBuffer, activeConnectionSizeStrategy, numValues);
List<Integer> maxConnectionSizes = this.codec.decodeValues(valueBuffer, maxConnectionSizeStrategy, numValues);
DataSourceListBo dataSourceListBo = new DataSourceListBo();
for (int i = 0; i < numValues; ++i) {
if (i == 0) {
dataSourceListBo.setAgentId(agentId);
dataSourceListBo.setTimestamp(timestamps.get(i));
dataSourceListBo.setStartTimestamp(startTimestamps.get(i));
}
DataSourceBo dataSourceBo = new DataSourceBo();
dataSourceBo.setAgentId(agentId);
dataSourceBo.setStartTimestamp(startTimestamps.get(i));
dataSourceBo.setTimestamp(timestamps.get(i));
dataSourceBo.setId(ids.get(i));
dataSourceBo.setServiceTypeCode(serviceTypeCodes.get(i));
dataSourceBo.setDatabaseName(databaseNames.get(i));
dataSourceBo.setJdbcUrl(jdbcUrls.get(i));
dataSourceBo.setActiveConnectionSize(activeConnectionSizes.get(i));
dataSourceBo.setMaxConnectionSize(maxConnectionSizes.get(i));
dataSourceListBo.add(dataSourceBo);
}
return dataSourceListBo;
}
}