org.apache.rocketmq.client.trace.TraceDataEncoder Maven / Gradle / Ivy
/*
* 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.rocketmq.client.trace;
import org.apache.rocketmq.common.message.MessageType;
import java.util.ArrayList;
import java.util.List;
/**
* Encode/decode for Trace Data
*/
public class TraceDataEncoder {
/**
* Resolving traceContext list From trace data String
*
* @param traceData
* @return
*/
public static List decoderFromTraceDataString(String traceData) {
List resList = new ArrayList();
if (traceData == null || traceData.length() <= 0) {
return resList;
}
String[] contextList = traceData.split(String.valueOf(TraceConstants.FIELD_SPLITOR));
for (String context : contextList) {
String[] line = context.split(String.valueOf(TraceConstants.CONTENT_SPLITOR));
if (line[0].equals(TraceType.Pub.name())) {
TraceContext pubContext = new TraceContext();
pubContext.setTraceType(TraceType.Pub);
pubContext.setTimeStamp(Long.parseLong(line[1]));
pubContext.setRegionId(line[2]);
pubContext.setGroupName(line[3]);
TraceBean bean = new TraceBean();
bean.setTopic(line[4]);
bean.setMsgId(line[5]);
bean.setTags(line[6]);
bean.setKeys(line[7]);
bean.setStoreHost(line[8]);
bean.setBodyLength(Integer.parseInt(line[9]));
pubContext.setCostTime(Integer.parseInt(line[10]));
bean.setMsgType(MessageType.values()[Integer.parseInt(line[11])]);
if (line.length == 13) {
pubContext.setSuccess(Boolean.parseBoolean(line[12]));
} else if (line.length == 14) {
bean.setOffsetMsgId(line[12]);
pubContext.setSuccess(Boolean.parseBoolean(line[13]));
}
pubContext.setTraceBeans(new ArrayList(1));
pubContext.getTraceBeans().add(bean);
resList.add(pubContext);
} else if (line[0].equals(TraceType.SubBefore.name())) {
TraceContext subBeforeContext = new TraceContext();
subBeforeContext.setTraceType(TraceType.SubBefore);
subBeforeContext.setTimeStamp(Long.parseLong(line[1]));
subBeforeContext.setRegionId(line[2]);
subBeforeContext.setGroupName(line[3]);
subBeforeContext.setRequestId(line[4]);
TraceBean bean = new TraceBean();
bean.setMsgId(line[5]);
bean.setRetryTimes(Integer.parseInt(line[6]));
bean.setKeys(line[7]);
subBeforeContext.setTraceBeans(new ArrayList(1));
subBeforeContext.getTraceBeans().add(bean);
resList.add(subBeforeContext);
} else if (line[0].equals(TraceType.SubAfter.name())) {
TraceContext subAfterContext = new TraceContext();
subAfterContext.setTraceType(TraceType.SubAfter);
subAfterContext.setRequestId(line[1]);
TraceBean bean = new TraceBean();
bean.setMsgId(line[2]);
bean.setKeys(line[5]);
subAfterContext.setTraceBeans(new ArrayList(1));
subAfterContext.getTraceBeans().add(bean);
subAfterContext.setCostTime(Integer.parseInt(line[3]));
subAfterContext.setSuccess(Boolean.parseBoolean(line[4]));
if (line.length >= 7) {
// add the context type
subAfterContext.setContextCode(Integer.parseInt(line[6]));
}
resList.add(subAfterContext);
}
}
return resList;
}
/**
* Encoding the trace context into data strings and keyset sets
*
* @param ctx
* @return
*/
public static TraceTransferBean encoderFromContextBean(TraceContext ctx) {
if (ctx == null) {
return null;
}
//build message trace of the transfering entity content bean
TraceTransferBean transferBean = new TraceTransferBean();
StringBuilder sb = new StringBuilder(256);
switch (ctx.getTraceType()) {
case Pub: {
TraceBean bean = ctx.getTraceBeans().get(0);
//append the content of context and traceBean to transferBean's TransData
sb.append(ctx.getTraceType()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getTimeStamp()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getRegionId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getGroupName()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getTopic()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getMsgId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getTags()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getKeys()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getStoreHost()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getBodyLength()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getCostTime()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getMsgType().ordinal()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getOffsetMsgId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.isSuccess()).append(TraceConstants.FIELD_SPLITOR);
}
break;
case SubBefore: {
for (TraceBean bean : ctx.getTraceBeans()) {
sb.append(ctx.getTraceType()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getTimeStamp()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getRegionId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getGroupName()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getRequestId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getMsgId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getRetryTimes()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getKeys()).append(TraceConstants.FIELD_SPLITOR);//
}
}
break;
case SubAfter: {
for (TraceBean bean : ctx.getTraceBeans()) {
sb.append(ctx.getTraceType()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getRequestId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getMsgId()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getCostTime()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.isSuccess()).append(TraceConstants.CONTENT_SPLITOR)//
.append(bean.getKeys()).append(TraceConstants.CONTENT_SPLITOR)//
.append(ctx.getContextCode()).append(TraceConstants.FIELD_SPLITOR);
}
}
break;
default:
}
transferBean.setTransData(sb.toString());
for (TraceBean bean : ctx.getTraceBeans()) {
transferBean.getTransKey().add(bean.getMsgId());
if (bean.getKeys() != null && bean.getKeys().length() > 0) {
transferBean.getTransKey().add(bean.getKeys());
}
}
return transferBean;
}
}