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org.apache.rocketmq.broker.out.BrokerOuterAPI 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.broker.out;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.rocketmq.broker.latency.BrokerFixedThreadPoolExecutor;
import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.common.DataVersion;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.ThreadFactoryImpl;
import org.apache.rocketmq.common.UtilAll;
import org.apache.rocketmq.common.constant.LoggerName;
import org.apache.rocketmq.logging.InternalLogger;
import org.apache.rocketmq.logging.InternalLoggerFactory;
import org.apache.rocketmq.common.namesrv.RegisterBrokerResult;
import org.apache.rocketmq.common.namesrv.TopAddressing;
import org.apache.rocketmq.common.protocol.RequestCode;
import org.apache.rocketmq.common.protocol.ResponseCode;
import org.apache.rocketmq.common.protocol.body.ConsumerOffsetSerializeWrapper;
import org.apache.rocketmq.common.protocol.body.KVTable;
import org.apache.rocketmq.common.protocol.body.RegisterBrokerBody;
import org.apache.rocketmq.common.protocol.body.SubscriptionGroupWrapper;
import org.apache.rocketmq.common.protocol.body.TopicConfigSerializeWrapper;
import org.apache.rocketmq.common.protocol.header.namesrv.QueryDataVersionRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.QueryDataVersionResponseHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.RegisterBrokerRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.RegisterBrokerResponseHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.UnRegisterBrokerRequestHeader;
import org.apache.rocketmq.remoting.RPCHook;
import org.apache.rocketmq.remoting.RemotingClient;
import org.apache.rocketmq.remoting.exception.RemotingCommandException;
import org.apache.rocketmq.remoting.exception.RemotingConnectException;
import org.apache.rocketmq.remoting.exception.RemotingSendRequestException;
import org.apache.rocketmq.remoting.exception.RemotingTimeoutException;
import org.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException;
import org.apache.rocketmq.remoting.netty.NettyClientConfig;
import org.apache.rocketmq.remoting.netty.NettyRemotingClient;
import org.apache.rocketmq.remoting.protocol.RemotingCommand;
public class BrokerOuterAPI {
private static final InternalLogger log = InternalLoggerFactory.getLogger(LoggerName.BROKER_LOGGER_NAME);
private final RemotingClient remotingClient;
private final TopAddressing topAddressing = new TopAddressing(MixAll.getWSAddr());
private String nameSrvAddr = null;
private BrokerFixedThreadPoolExecutor brokerOuterExecutor = new BrokerFixedThreadPoolExecutor(4, 10, 1, TimeUnit.MINUTES,
new ArrayBlockingQueue(32), new ThreadFactoryImpl("brokerOutApi_thread_", true));
public BrokerOuterAPI(final NettyClientConfig nettyClientConfig) {
this(nettyClientConfig, null);
}
public BrokerOuterAPI(final NettyClientConfig nettyClientConfig, RPCHook rpcHook) {
this.remotingClient = new NettyRemotingClient(nettyClientConfig);
this.remotingClient.registerRPCHook(rpcHook);
}
public void start() {
this.remotingClient.start();
}
public void shutdown() {
this.remotingClient.shutdown();
this.brokerOuterExecutor.shutdown();
}
public String fetchNameServerAddr() {
try {
String addrs = this.topAddressing.fetchNSAddr();
if (addrs != null) {
if (!addrs.equals(this.nameSrvAddr)) {
log.info("name server address changed, old: {} new: {}", this.nameSrvAddr, addrs);
this.updateNameServerAddressList(addrs);
this.nameSrvAddr = addrs;
return nameSrvAddr;
}
}
} catch (Exception e) {
log.error("fetchNameServerAddr Exception", e);
}
return nameSrvAddr;
}
public void updateNameServerAddressList(final String addrs) {
List lst = new ArrayList();
String[] addrArray = addrs.split(";");
for (String addr : addrArray) {
lst.add(addr);
}
this.remotingClient.updateNameServerAddressList(lst);
}
public List registerBrokerAll(
final String clusterName,
final String brokerAddr,
final String brokerName,
final long brokerId,
final String haServerAddr,
final TopicConfigSerializeWrapper topicConfigWrapper,
final List filterServerList,
final boolean oneway,
final int timeoutMills,
final boolean compressed) {
final List registerBrokerResultList = new CopyOnWriteArrayList<>();
List nameServerAddressList = this.remotingClient.getNameServerAddressList();
if (nameServerAddressList != null && nameServerAddressList.size() > 0) {
final RegisterBrokerRequestHeader requestHeader = new RegisterBrokerRequestHeader();
requestHeader.setBrokerAddr(brokerAddr);
requestHeader.setBrokerId(brokerId);
requestHeader.setBrokerName(brokerName);
requestHeader.setClusterName(clusterName);
requestHeader.setHaServerAddr(haServerAddr);
requestHeader.setCompressed(compressed);
RegisterBrokerBody requestBody = new RegisterBrokerBody();
requestBody.setTopicConfigSerializeWrapper(topicConfigWrapper);
requestBody.setFilterServerList(filterServerList);
final byte[] body = requestBody.encode(compressed);
final int bodyCrc32 = UtilAll.crc32(body);
requestHeader.setBodyCrc32(bodyCrc32);
final CountDownLatch countDownLatch = new CountDownLatch(nameServerAddressList.size());
for (final String namesrvAddr : nameServerAddressList) {
brokerOuterExecutor.execute(new Runnable() {
@Override
public void run() {
try {
RegisterBrokerResult result = registerBroker(namesrvAddr, oneway, timeoutMills, requestHeader, body);
if (result != null) {
registerBrokerResultList.add(result);
}
log.info("register broker[{}]to name server {} OK", brokerId, namesrvAddr);
} catch (Exception e) {
log.warn("registerBroker Exception, {}", namesrvAddr, e);
} finally {
countDownLatch.countDown();
}
}
});
}
try {
countDownLatch.await(timeoutMills, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
}
}
return registerBrokerResultList;
}
private RegisterBrokerResult registerBroker(
final String namesrvAddr,
final boolean oneway,
final int timeoutMills,
final RegisterBrokerRequestHeader requestHeader,
final byte[] body
) throws RemotingCommandException, MQBrokerException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
InterruptedException {
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.REGISTER_BROKER, requestHeader);
request.setBody(body);
if (oneway) {
try {
this.remotingClient.invokeOneway(namesrvAddr, request, timeoutMills);
} catch (RemotingTooMuchRequestException e) {
// Ignore
}
return null;
}
RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, timeoutMills);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
RegisterBrokerResponseHeader responseHeader =
(RegisterBrokerResponseHeader) response.decodeCommandCustomHeader(RegisterBrokerResponseHeader.class);
RegisterBrokerResult result = new RegisterBrokerResult();
result.setMasterAddr(responseHeader.getMasterAddr());
result.setHaServerAddr(responseHeader.getHaServerAddr());
if (response.getBody() != null) {
result.setKvTable(KVTable.decode(response.getBody(), KVTable.class));
}
return result;
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), requestHeader == null ? null : requestHeader.getBrokerAddr());
}
public void unregisterBrokerAll(
final String clusterName,
final String brokerAddr,
final String brokerName,
final long brokerId
) {
List nameServerAddressList = this.remotingClient.getNameServerAddressList();
if (nameServerAddressList != null) {
for (String namesrvAddr : nameServerAddressList) {
try {
this.unregisterBroker(namesrvAddr, clusterName, brokerAddr, brokerName, brokerId);
log.info("unregisterBroker OK, NamesrvAddr: {}", namesrvAddr);
} catch (Exception e) {
log.warn("unregisterBroker Exception, {}", namesrvAddr, e);
}
}
}
}
public void unregisterBroker(
final String namesrvAddr,
final String clusterName,
final String brokerAddr,
final String brokerName,
final long brokerId
) throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQBrokerException {
UnRegisterBrokerRequestHeader requestHeader = new UnRegisterBrokerRequestHeader();
requestHeader.setBrokerAddr(brokerAddr);
requestHeader.setBrokerId(brokerId);
requestHeader.setBrokerName(brokerName);
requestHeader.setClusterName(clusterName);
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UNREGISTER_BROKER, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
return;
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), brokerAddr);
}
public List needRegister(
final String clusterName,
final String brokerAddr,
final String brokerName,
final long brokerId,
final TopicConfigSerializeWrapper topicConfigWrapper,
final int timeoutMills) {
final List changedList = new CopyOnWriteArrayList<>();
List nameServerAddressList = this.remotingClient.getNameServerAddressList();
if (nameServerAddressList != null && nameServerAddressList.size() > 0) {
final CountDownLatch countDownLatch = new CountDownLatch(nameServerAddressList.size());
for (final String namesrvAddr : nameServerAddressList) {
brokerOuterExecutor.execute(new Runnable() {
@Override
public void run() {
try {
QueryDataVersionRequestHeader requestHeader = new QueryDataVersionRequestHeader();
requestHeader.setBrokerAddr(brokerAddr);
requestHeader.setBrokerId(brokerId);
requestHeader.setBrokerName(brokerName);
requestHeader.setClusterName(clusterName);
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_DATA_VERSION, requestHeader);
request.setBody(topicConfigWrapper.getDataVersion().encode());
RemotingCommand response = remotingClient.invokeSync(namesrvAddr, request, timeoutMills);
DataVersion nameServerDataVersion = null;
Boolean changed = false;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
QueryDataVersionResponseHeader queryDataVersionResponseHeader =
(QueryDataVersionResponseHeader) response.decodeCommandCustomHeader(QueryDataVersionResponseHeader.class);
changed = queryDataVersionResponseHeader.getChanged();
byte[] body = response.getBody();
if (body != null) {
nameServerDataVersion = DataVersion.decode(body, DataVersion.class);
if (!topicConfigWrapper.getDataVersion().equals(nameServerDataVersion)) {
changed = true;
}
}
if (changed == null || changed) {
changedList.add(Boolean.TRUE);
}
}
default:
break;
}
log.warn("Query data version from name server {} OK,changed {}, broker {},name server {}", namesrvAddr, changed, topicConfigWrapper.getDataVersion(), nameServerDataVersion == null ? "" : nameServerDataVersion);
} catch (Exception e) {
changedList.add(Boolean.TRUE);
log.error("Query data version from name server {} Exception, {}", namesrvAddr, e);
} finally {
countDownLatch.countDown();
}
}
});
}
try {
countDownLatch.await(timeoutMills, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
log.error("query dataversion from nameserver countDownLatch await Exception", e);
}
}
return changedList;
}
public TopicConfigSerializeWrapper getAllTopicConfig(
final String addr) throws RemotingConnectException, RemotingSendRequestException,
RemotingTimeoutException, InterruptedException, MQBrokerException {
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_TOPIC_CONFIG, null);
RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(true, addr), request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
return TopicConfigSerializeWrapper.decode(response.getBody(), TopicConfigSerializeWrapper.class);
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
}
public ConsumerOffsetSerializeWrapper getAllConsumerOffset(
final String addr) throws InterruptedException, RemotingTimeoutException,
RemotingSendRequestException, RemotingConnectException, MQBrokerException {
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_CONSUMER_OFFSET, null);
RemotingCommand response = this.remotingClient.invokeSync(addr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
return ConsumerOffsetSerializeWrapper.decode(response.getBody(), ConsumerOffsetSerializeWrapper.class);
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
}
public String getAllDelayOffset(
final String addr) throws InterruptedException, RemotingTimeoutException, RemotingSendRequestException,
RemotingConnectException, MQBrokerException, UnsupportedEncodingException {
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_DELAY_OFFSET, null);
RemotingCommand response = this.remotingClient.invokeSync(addr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
return new String(response.getBody(), MixAll.DEFAULT_CHARSET);
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
}
public SubscriptionGroupWrapper getAllSubscriptionGroupConfig(
final String addr) throws InterruptedException, RemotingTimeoutException,
RemotingSendRequestException, RemotingConnectException, MQBrokerException {
RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_SUBSCRIPTIONGROUP_CONFIG, null);
RemotingCommand response = this.remotingClient.invokeSync(addr, request, 3000);
assert response != null;
switch (response.getCode()) {
case ResponseCode.SUCCESS: {
return SubscriptionGroupWrapper.decode(response.getBody(), SubscriptionGroupWrapper.class);
}
default:
break;
}
throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
}
public void registerRPCHook(RPCHook rpcHook) {
remotingClient.registerRPCHook(rpcHook);
}
}
