/**
* Copyright (C) 2010-2013 Alibaba Group Holding Limited
*
* 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.alibaba.rocketmq.broker.processor;
import io.netty.channel.ChannelHandlerContext;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.rocketmq.broker.BrokerController;
import com.alibaba.rocketmq.broker.mqtrace.ConsumeMessageContext;
import com.alibaba.rocketmq.broker.mqtrace.ConsumeMessageHook;
import com.alibaba.rocketmq.broker.mqtrace.SendMessageContext;
import com.alibaba.rocketmq.broker.mqtrace.SendMessageHook;
import com.alibaba.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import com.alibaba.rocketmq.common.MixAll;
import com.alibaba.rocketmq.common.TopicConfig;
import com.alibaba.rocketmq.common.TopicFilterType;
import com.alibaba.rocketmq.common.UtilAll;
import com.alibaba.rocketmq.common.constant.LoggerName;
import com.alibaba.rocketmq.common.constant.PermName;
import com.alibaba.rocketmq.common.help.FAQUrl;
import com.alibaba.rocketmq.common.message.MessageAccessor;
import com.alibaba.rocketmq.common.message.MessageConst;
import com.alibaba.rocketmq.common.message.MessageDecoder;
import com.alibaba.rocketmq.common.message.MessageExt;
import com.alibaba.rocketmq.common.protocol.RequestCode;
import com.alibaba.rocketmq.common.protocol.ResponseCode;
import com.alibaba.rocketmq.common.protocol.header.ConsumerSendMsgBackRequestHeader;
import com.alibaba.rocketmq.common.protocol.header.SendMessageRequestHeader;
import com.alibaba.rocketmq.common.protocol.header.SendMessageRequestHeaderV2;
import com.alibaba.rocketmq.common.protocol.header.SendMessageResponseHeader;
import com.alibaba.rocketmq.common.subscription.SubscriptionGroupConfig;
import com.alibaba.rocketmq.common.sysflag.MessageSysFlag;
import com.alibaba.rocketmq.common.sysflag.TopicSysFlag;
import com.alibaba.rocketmq.remoting.common.RemotingHelper;
import com.alibaba.rocketmq.remoting.exception.RemotingCommandException;
import com.alibaba.rocketmq.remoting.netty.NettyRequestProcessor;
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand;
import com.alibaba.rocketmq.store.MessageExtBrokerInner;
import com.alibaba.rocketmq.store.PutMessageResult;
import com.alibaba.rocketmq.store.config.StorePathConfigHelper;
/**
* 处理客户端发送消息的请求
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2013-7-26
*/
public class SendMessageProcessor implements NettyRequestProcessor {
private static final Logger log = LoggerFactory.getLogger(LoggerName.BrokerLoggerName);
private final static int DLQ_NUMS_PER_GROUP = 1;
private final BrokerController brokerController;
private final Random random = new Random(System.currentTimeMillis());
private final SocketAddress storeHost;
public SendMessageProcessor(final BrokerController brokerController) {
this.brokerController = brokerController;
this.storeHost =
new InetSocketAddress(brokerController.getBrokerConfig().getBrokerIP1(), brokerController
.getNettyServerConfig().getListenPort());
}
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
SendMessageRequestHeaderV2 requestHeaderV2 = null;
switch (request.getCode()) {
case RequestCode.SEND_MESSAGE_V2:
requestHeaderV2 =
(SendMessageRequestHeaderV2) request
.decodeCommandCustomHeader(SendMessageRequestHeaderV2.class);
case RequestCode.SEND_MESSAGE:
SendMessageContext mqtraceContext = null;
SendMessageRequestHeader requestHeader = null;
if (null == requestHeaderV2) {
requestHeader =
(SendMessageRequestHeader) request
.decodeCommandCustomHeader(SendMessageRequestHeader.class);
}
else {
requestHeader = SendMessageRequestHeaderV2.createSendMessageRequestHeaderV1(requestHeaderV2);
}
// 消息轨迹：记录到达 broker 的消息
if (this.hasSendMessageHook()) {
mqtraceContext = new SendMessageContext();
mqtraceContext.setProducerGroup(requestHeader.getProducerGroup());
mqtraceContext.setTopic(requestHeader.getTopic());
mqtraceContext.setMsgProps(requestHeader.getProperties());
mqtraceContext.setBornHost(RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
mqtraceContext.setBrokerAddr(this.brokerController.getBrokerAddr());
this.executeSendMessageHookBefore(ctx, request, mqtraceContext);
}
final RemotingCommand response = this.sendMessage(ctx, request, mqtraceContext, requestHeader);
// 消息轨迹：记录发送成功的消息
if (this.hasSendMessageHook()) {
this.executeSendMessageHookAfter(response, mqtraceContext);
}
return response;
case RequestCode.CONSUMER_SEND_MSG_BACK:
return this.consumerSendMsgBack(ctx, request);
default:
break;
}
return null;
}
private RemotingCommand consumerSendMsgBack(final ChannelHandlerContext ctx, final RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final ConsumerSendMsgBackRequestHeader requestHeader =
(ConsumerSendMsgBackRequestHeader) request
.decodeCommandCustomHeader(ConsumerSendMsgBackRequestHeader.class);
// 消息轨迹：记录消费失败的消息
if (this.hasConsumeMessageHook() && !UtilAll.isBlank(requestHeader.getOriginMsgId())) {
// 执行hook
ConsumeMessageContext context = new ConsumeMessageContext();
context.setConsumerGroup(requestHeader.getGroup());
context.setTopic(requestHeader.getOriginTopic());
context.setClientHost(RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
context.setSuccess(false);
context.setStatus(ConsumeConcurrentlyStatus.RECONSUME_LATER.toString());
Map<String, Long> messageIds = new HashMap<String, Long>();
messageIds.put(requestHeader.getOriginMsgId(), requestHeader.getOffset());
context.setMessageIds(messageIds);
this.executeConsumeMessageHookAfter(context);
}
// 确保订阅组存在
SubscriptionGroupConfig subscriptionGroupConfig =
this.brokerController.getSubscriptionGroupManager().findSubscriptionGroupConfig(
requestHeader.getGroup());
if (null == subscriptionGroupConfig) {
response.setCode(ResponseCode.SUBSCRIPTION_GROUP_NOT_EXIST);
response.setRemark("subscription group not exist, " + requestHeader.getGroup() + " "
+ FAQUrl.suggestTodo(FAQUrl.SUBSCRIPTION_GROUP_NOT_EXIST));
return response;
}
// 检查Broker权限
if (!PermName.isWriteable(this.brokerController.getBrokerConfig().getBrokerPermission())) {
response.setCode(ResponseCode.NO_PERMISSION);
response.setRemark("the broker[" + this.brokerController.getBrokerConfig().getBrokerIP1()
+ "] sending message is forbidden");
return response;
}
// 如果重试队列数目为0，则直接丢弃消息
if (subscriptionGroupConfig.getRetryQueueNums() <= 0) {
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
return response;
}
String newTopic = MixAll.getRetryTopic(requestHeader.getGroup());
int queueIdInt =
Math.abs(this.random.nextInt() % 99999999) % subscriptionGroupConfig.getRetryQueueNums();
// 如果是单元化模式，则对 topic 进行设置
int topicSysFlag = 0;
if (requestHeader.isUnitMode()) {
topicSysFlag = TopicSysFlag.buildSysFlag(false, true);
}
// 检查topic是否存在
TopicConfig topicConfig =
this.brokerController.getTopicConfigManager().createTopicInSendMessageBackMethod(//
newTopic,//
subscriptionGroupConfig.getRetryQueueNums(), //
PermName.PERM_WRITE | PermName.PERM_READ, topicSysFlag);
if (null == topicConfig) {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("topic[" + newTopic + "] not exist");
return response;
}
// 检查topic权限
if (!PermName.isWriteable(topicConfig.getPerm())) {
response.setCode(ResponseCode.NO_PERMISSION);
response.setRemark(String.format("the topic[%s] sending message is forbidden", newTopic));
return response;
}
// 查询消息，这里如果堆积消息过多，会访问磁盘
// 另外如果频繁调用，是否会引起gc问题，需要关注 TODO
MessageExt msgExt =
this.brokerController.getMessageStore().lookMessageByOffset(requestHeader.getOffset());
if (null == msgExt) {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("look message by offset failed, " + requestHeader.getOffset());
return response;
}
// 构造消息
final String retryTopic = msgExt.getProperty(MessageConst.PROPERTY_RETRY_TOPIC);
if (null == retryTopic) {
MessageAccessor.putProperty(msgExt, MessageConst.PROPERTY_RETRY_TOPIC, msgExt.getTopic());
}
msgExt.setWaitStoreMsgOK(false);
// 客户端自动决定定时级别
int delayLevel = requestHeader.getDelayLevel();
// 死信消息处理
if (msgExt.getReconsumeTimes() >= subscriptionGroupConfig.getRetryMaxTimes()//
|| delayLevel < 0) {
newTopic = MixAll.getDLQTopic(requestHeader.getGroup());
queueIdInt = Math.abs(this.random.nextInt() % 99999999) % DLQ_NUMS_PER_GROUP;
topicConfig =
this.brokerController.getTopicConfigManager().createTopicInSendMessageBackMethod(
newTopic, //
DLQ_NUMS_PER_GROUP,//
PermName.PERM_WRITE, 0 // 死信消息不需要同步，不需要较正。
);
if (null == topicConfig) {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("topic[" + newTopic + "] not exist");
return response;
}
}
// 继续重试
else {
if (0 == delayLevel) {
delayLevel = 3 + msgExt.getReconsumeTimes();
}
msgExt.setDelayTimeLevel(delayLevel);
}
MessageExtBrokerInner msgInner = new MessageExtBrokerInner();
msgInner.setTopic(newTopic);
msgInner.setBody(msgExt.getBody());
msgInner.setFlag(msgExt.getFlag());
MessageAccessor.setProperties(msgInner, msgExt.getProperties());
msgInner.setPropertiesString(MessageDecoder.messageProperties2String(msgExt.getProperties()));
msgInner.setTagsCode(MessageExtBrokerInner.tagsString2tagsCode(null, msgExt.getTags()));
msgInner.setQueueId(queueIdInt);
msgInner.setSysFlag(msgExt.getSysFlag());
msgInner.setBornTimestamp(msgExt.getBornTimestamp());
msgInner.setBornHost(msgExt.getBornHost());
msgInner.setStoreHost(this.getStoreHost());
msgInner.setReconsumeTimes(msgExt.getReconsumeTimes() + 1);
// 保存源生消息的 msgId
String originMsgId = MessageAccessor.getOriginMessageId(msgExt);
MessageAccessor.setOriginMessageId(msgInner, UtilAll.isBlank(originMsgId) ? msgExt.getMsgId()
: originMsgId);
PutMessageResult putMessageResult = this.brokerController.getMessageStore().putMessage(msgInner);
if (putMessageResult != null) {
switch (putMessageResult.getPutMessageStatus()) {
case PUT_OK:
// 统计失败重试的Topic
String backTopic = msgExt.getTopic();
String correctTopic = msgExt.getProperty(MessageConst.PROPERTY_RETRY_TOPIC);
if (correctTopic != null) {
backTopic = correctTopic;
}
this.brokerController.getBrokerStatsManager().incSendBackNums(requestHeader.getGroup(),
backTopic);
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
return response;
default:
break;
}
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark(putMessageResult.getPutMessageStatus().name());
return response;
}
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("putMessageResult is null");
return response;
}
private String diskUtil() {
String storePathPhysic = this.brokerController.getMessageStoreConfig().getStorePathCommitLog();
double physicRatio = UtilAll.getDiskPartitionSpaceUsedPercent(storePathPhysic);
String storePathLogis =
StorePathConfigHelper.getStorePathConsumeQueue(this.brokerController.getMessageStoreConfig()
.getStorePathRootDir());
double logisRatio = UtilAll.getDiskPartitionSpaceUsedPercent(storePathLogis);
String storePathIndex =
StorePathConfigHelper.getStorePathIndex(this.brokerController.getMessageStoreConfig()
.getStorePathRootDir());
double indexRatio = UtilAll.getDiskPartitionSpaceUsedPercent(storePathIndex);
return String.format("CL: %5.2f CQ: %5.2f INDEX: %5.2f", physicRatio, logisRatio, indexRatio);
}
private RemotingCommand sendMessage(final ChannelHandlerContext ctx, //
final RemotingCommand request,//
final SendMessageContext mqtraceContext,//
final SendMessageRequestHeader requestHeader) throws RemotingCommandException {
final RemotingCommand response =
RemotingCommand.createResponseCommand(SendMessageResponseHeader.class);
final SendMessageResponseHeader responseHeader =
(SendMessageResponseHeader) response.readCustomHeader();
// 由于有直接返回的逻辑，所以必须要设置
response.setOpaque(request.getOpaque());
if (log.isDebugEnabled()) {
log.debug("receive SendMessage request command, " + request);
}
// 检查Broker权限, 顺序消息禁写；非顺序消息通过 nameserver 通知客户端剔除禁写分区
if (!PermName.isWriteable(this.brokerController.getBrokerConfig().getBrokerPermission())
&& this.brokerController.getTopicConfigManager().isOrderTopic(requestHeader.getTopic())) {
response.setCode(ResponseCode.NO_PERMISSION);
response.setRemark("the broker[" + this.brokerController.getBrokerConfig().getBrokerIP1()
+ "] sending message is forbidden");
return response;
}
final byte[] body = request.getBody();
// Topic名字是否与保留字段冲突
if (!this.brokerController.getTopicConfigManager().isTopicCanSendMessage(requestHeader.getTopic())) {
String errorMsg =
"the topic[" + requestHeader.getTopic() + "] is conflict with system reserved words.";
log.warn(errorMsg);
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark(errorMsg);
return response;
}
// 检查topic是否存在
TopicConfig topicConfig =
this.brokerController.getTopicConfigManager().selectTopicConfig(requestHeader.getTopic());
if (null == topicConfig) {
// 如果是单元化模式，则对 topic 进行设置
int topicSysFlag = 0;
if (requestHeader.isUnitMode()) {
if (requestHeader.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
topicSysFlag = TopicSysFlag.buildSysFlag(false, true);
}
else {
topicSysFlag = TopicSysFlag.buildSysFlag(true, false);
}
}
log.warn("the topic " + requestHeader.getTopic() + " not exist, producer: "
+ ctx.channel().remoteAddress());
topicConfig = this.brokerController.getTopicConfigManager().createTopicInSendMessageMethod(//
requestHeader.getTopic(), //
requestHeader.getDefaultTopic(), //
RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
requestHeader.getDefaultTopicQueueNums(), topicSysFlag);
// 尝试看下是否是失败消息发回
if (null == topicConfig) {
if (requestHeader.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
topicConfig =
this.brokerController.getTopicConfigManager().createTopicInSendMessageBackMethod(
requestHeader.getTopic(), 1, PermName.PERM_WRITE | PermName.PERM_READ,
topicSysFlag);
}
}
if (null == topicConfig) {
response.setCode(ResponseCode.TOPIC_NOT_EXIST);
response.setRemark("topic[" + requestHeader.getTopic() + "] not exist, apply first please!"
+ FAQUrl.suggestTodo(FAQUrl.APPLY_TOPIC_URL));
return response;
}
}
/**
* Broker本身不做Topic的权限验证，由Name Server负责通知Client处理
*/
// // 检查topic权限
// if (!PermName.isWriteable(topicConfig.getPerm())) {
// response.setCode(ResponseCode.NO_PERMISSION);
// response.setRemark("the topic[" + requestHeader.getOriginTopic() +
// "] sending message is forbidden");
// return response;
// }
// 检查队列有效性
int queueIdInt = requestHeader.getQueueId();
int idValid = Math.max(topicConfig.getWriteQueueNums(), topicConfig.getReadQueueNums());
if (queueIdInt >= idValid) {
String errorInfo = String.format("request queueId[%d] is illagal, %s Producer: %s",//
queueIdInt,//
topicConfig.toString(),//
RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
log.warn(errorInfo);
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark(errorInfo);
return response;
}
// 随机指定一个队列
if (queueIdInt < 0) {
queueIdInt = Math.abs(this.random.nextInt() % 99999999) % topicConfig.getWriteQueueNums();
}
int sysFlag = requestHeader.getSysFlag();
// 多标签过滤需要置位
if (TopicFilterType.MULTI_TAG == topicConfig.getTopicFilterType()) {
sysFlag |= MessageSysFlag.MultiTagsFlag;
}
MessageExtBrokerInner msgInner = new MessageExtBrokerInner();
msgInner.setTopic(requestHeader.getTopic());
msgInner.setBody(body);
msgInner.setFlag(requestHeader.getFlag());
MessageAccessor.setProperties(msgInner,
MessageDecoder.string2messageProperties(requestHeader.getProperties()));
msgInner.setPropertiesString(requestHeader.getProperties());
msgInner.setTagsCode(MessageExtBrokerInner.tagsString2tagsCode(topicConfig.getTopicFilterType(),
msgInner.getTags()));
msgInner.setQueueId(queueIdInt);
msgInner.setSysFlag(sysFlag);
msgInner.setBornTimestamp(requestHeader.getBornTimestamp());
msgInner.setBornHost(ctx.channel().remoteAddress());
msgInner.setStoreHost(this.getStoreHost());
msgInner.setReconsumeTimes(requestHeader.getReconsumeTimes() == null ? 0 : requestHeader
.getReconsumeTimes());
// 检查事务消息
if (this.brokerController.getBrokerConfig().isRejectTransactionMessage()) {
String traFlag = msgInner.getProperty(MessageConst.PROPERTY_TRANSACTION_PREPARED);
if (traFlag != null) {
response.setCode(ResponseCode.NO_PERMISSION);
response.setRemark("the broker[" + this.brokerController.getBrokerConfig().getBrokerIP1()
+ "] sending transaction message is forbidden");
return response;
}
}
PutMessageResult putMessageResult = this.brokerController.getMessageStore().putMessage(msgInner);
if (putMessageResult != null) {
boolean sendOK = false;
switch (putMessageResult.getPutMessageStatus()) {
// Success
case PUT_OK:
sendOK = true;
response.setCode(ResponseCode.SUCCESS);
break;
case FLUSH_DISK_TIMEOUT:
response.setCode(ResponseCode.FLUSH_DISK_TIMEOUT);
sendOK = true;
break;
case FLUSH_SLAVE_TIMEOUT:
response.setCode(ResponseCode.FLUSH_SLAVE_TIMEOUT);
sendOK = true;
break;
case SLAVE_NOT_AVAILABLE:
response.setCode(ResponseCode.SLAVE_NOT_AVAILABLE);
sendOK = true;
break;
// Failed
case CREATE_MAPEDFILE_FAILED:
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("create maped file failed, please make sure OS and JDK both 64bit.");
break;
case MESSAGE_ILLEGAL:
response.setCode(ResponseCode.MESSAGE_ILLEGAL);
response.setRemark("the message is illegal, maybe length not matched.");
break;
case SERVICE_NOT_AVAILABLE:
response.setCode(ResponseCode.SERVICE_NOT_AVAILABLE);
response.setRemark("service not available now, maybe disk full, " + diskUtil()
+ ", maybe your broker machine memory too small.");
break;
case UNKNOWN_ERROR:
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("UNKNOWN_ERROR");
break;
default:
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("UNKNOWN_ERROR DEFAULT");
break;
}
if (sendOK) {
// 统计
this.brokerController.getBrokerStatsManager().incTopicPutNums(msgInner.getTopic());
this.brokerController.getBrokerStatsManager().incTopicPutSize(msgInner.getTopic(),
putMessageResult.getAppendMessageResult().getWroteBytes());
this.brokerController.getBrokerStatsManager().incBrokerPutNums();
response.setRemark(null);
responseHeader.setMsgId(putMessageResult.getAppendMessageResult().getMsgId());
responseHeader.setQueueId(queueIdInt);
responseHeader.setQueueOffset(putMessageResult.getAppendMessageResult().getLogicsOffset());
// 直接返回
if (!request.isOnewayRPC()) {
try {
ctx.writeAndFlush(response);
}
catch (Throwable e) {
log.error("SendMessageProcessor process request over, but response failed", e);
log.error(request.toString());
log.error(response.toString());
}
}
if (this.brokerController.getBrokerConfig().isLongPollingEnable()) {
this.brokerController.getPullRequestHoldService().notifyMessageArriving(
requestHeader.getTopic(), queueIdInt,
putMessageResult.getAppendMessageResult().getLogicsOffset() + 1);
}
// 消息轨迹：记录发送成功的消息
if (hasSendMessageHook()) {
mqtraceContext.setMsgId(responseHeader.getMsgId());
mqtraceContext.setQueueId(responseHeader.getQueueId());
mqtraceContext.setQueueOffset(responseHeader.getQueueOffset());
}
return null;
}
}
else {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("store putMessage return null");
}
return response;
}
public SocketAddress getStoreHost() {
return storeHost;
}
/**
* 发送每条消息会回调
*/
private List<SendMessageHook> sendMessageHookList;
public boolean hasSendMessageHook() {
return sendMessageHookList != null && !this.sendMessageHookList.isEmpty();
}
public void registerSendMessageHook(List<SendMessageHook> sendMessageHookList) {
this.sendMessageHookList = sendMessageHookList;
}
public void executeSendMessageHookBefore(final ChannelHandlerContext ctx, final RemotingCommand request,
SendMessageContext context) {
if (hasSendMessageHook()) {
for (SendMessageHook hook : this.sendMessageHookList) {
try {
final SendMessageRequestHeader requestHeader =
(SendMessageRequestHeader) request
.decodeCommandCustomHeader(SendMessageRequestHeader.class);
context.setProducerGroup(requestHeader.getProducerGroup());
context.setTopic(requestHeader.getTopic());
context.setBodyLength(request.getBody().length);
context.setMsgProps(requestHeader.getProperties());
context.setBornHost(RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
context.setBrokerAddr(this.brokerController.getBrokerAddr());
context.setQueueId(requestHeader.getQueueId());
hook.sendMessageBefore(context);
requestHeader.setProperties(context.getMsgProps());
}
catch (Throwable e) {
}
}
}
}
public void executeSendMessageHookAfter(final RemotingCommand response, final SendMessageContext context) {
if (hasSendMessageHook()) {
for (SendMessageHook hook : this.sendMessageHookList) {
try {
if (response != null) {
final SendMessageResponseHeader responseHeader =
(SendMessageResponseHeader) response.readCustomHeader();
context.setMsgId(responseHeader.getMsgId());
context.setQueueId(responseHeader.getQueueId());
context.setQueueOffset(responseHeader.getQueueOffset());
context.setCode(response.getCode());
context.setErrorMsg(response.getRemark());
}
hook.sendMessageAfter(context);
}
catch (Throwable e) {
}
}
}
}
/**
* 消费每条消息会回调
*/
private List<ConsumeMessageHook> consumeMessageHookList;
public boolean hasConsumeMessageHook() {
return consumeMessageHookList != null && !this.consumeMessageHookList.isEmpty();
}
public void registerConsumeMessageHook(List<ConsumeMessageHook> consumeMessageHookList) {
this.consumeMessageHookList = consumeMessageHookList;
}
public void executeConsumeMessageHookAfter(final ConsumeMessageContext context) {
if (hasConsumeMessageHook()) {
for (ConsumeMessageHook hook : this.consumeMessageHookList) {
try {
hook.consumeMessageAfter(context);
}
catch (Throwable e) {
}
}
}
}
}