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org.apache.rocketmq.broker.client.ProducerManager 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.client;
import io.netty.channel.Channel;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.apache.rocketmq.broker.util.PositiveAtomicCounter;
import org.apache.rocketmq.common.constant.LoggerName;
import org.apache.rocketmq.logging.InternalLogger;
import org.apache.rocketmq.logging.InternalLoggerFactory;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.apache.rocketmq.remoting.common.RemotingUtil;
public class ProducerManager {
private static final InternalLogger log = InternalLoggerFactory.getLogger(LoggerName.BROKER_LOGGER_NAME);
private static final long LOCK_TIMEOUT_MILLIS = 3000;
private static final long CHANNEL_EXPIRED_TIMEOUT = 1000 * 120;
private static final int GET_AVALIABLE_CHANNEL_RETRY_COUNT = 3;
private final Lock groupChannelLock = new ReentrantLock();
private final HashMap> groupChannelTable =
new HashMap>();
private PositiveAtomicCounter positiveAtomicCounter = new PositiveAtomicCounter();
public ProducerManager() {
}
public HashMap> getGroupChannelTable() {
HashMap> newGroupChannelTable =
new HashMap>();
try {
if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
try {
newGroupChannelTable.putAll(groupChannelTable);
} finally {
groupChannelLock.unlock();
}
}
} catch (InterruptedException e) {
log.error("", e);
}
return newGroupChannelTable;
}
public void scanNotActiveChannel() {
try {
if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
try {
for (final Map.Entry> entry : this.groupChannelTable
.entrySet()) {
final String group = entry.getKey();
final HashMap chlMap = entry.getValue();
Iterator> it = chlMap.entrySet().iterator();
while (it.hasNext()) {
Entry item = it.next();
// final Integer id = item.getKey();
final ClientChannelInfo info = item.getValue();
long diff = System.currentTimeMillis() - info.getLastUpdateTimestamp();
if (diff > CHANNEL_EXPIRED_TIMEOUT) {
it.remove();
log.warn(
"SCAN: remove expired channel[{}] from ProducerManager groupChannelTable, producer group name: {}",
RemotingHelper.parseChannelRemoteAddr(info.getChannel()), group);
RemotingUtil.closeChannel(info.getChannel());
}
}
}
} finally {
this.groupChannelLock.unlock();
}
} else {
log.warn("ProducerManager scanNotActiveChannel lock timeout");
}
} catch (InterruptedException e) {
log.error("", e);
}
}
public void doChannelCloseEvent(final String remoteAddr, final Channel channel) {
if (channel != null) {
try {
if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
try {
for (final Map.Entry> entry : this.groupChannelTable
.entrySet()) {
final String group = entry.getKey();
final HashMap clientChannelInfoTable =
entry.getValue();
final ClientChannelInfo clientChannelInfo =
clientChannelInfoTable.remove(channel);
if (clientChannelInfo != null) {
log.info(
"NETTY EVENT: remove channel[{}][{}] from ProducerManager groupChannelTable, producer group: {}",
clientChannelInfo.toString(), remoteAddr, group);
}
}
} finally {
this.groupChannelLock.unlock();
}
} else {
log.warn("ProducerManager doChannelCloseEvent lock timeout");
}
} catch (InterruptedException e) {
log.error("", e);
}
}
}
public void registerProducer(final String group, final ClientChannelInfo clientChannelInfo) {
try {
ClientChannelInfo clientChannelInfoFound = null;
if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
try {
HashMap channelTable = this.groupChannelTable.get(group);
if (null == channelTable) {
channelTable = new HashMap<>();
this.groupChannelTable.put(group, channelTable);
}
clientChannelInfoFound = channelTable.get(clientChannelInfo.getChannel());
if (null == clientChannelInfoFound) {
channelTable.put(clientChannelInfo.getChannel(), clientChannelInfo);
log.info("new producer connected, group: {} channel: {}", group,
clientChannelInfo.toString());
}
} finally {
this.groupChannelLock.unlock();
}
if (clientChannelInfoFound != null) {
clientChannelInfoFound.setLastUpdateTimestamp(System.currentTimeMillis());
}
} else {
log.warn("ProducerManager registerProducer lock timeout");
}
} catch (InterruptedException e) {
log.error("", e);
}
}
public void unregisterProducer(final String group, final ClientChannelInfo clientChannelInfo) {
try {
if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
try {
HashMap channelTable = this.groupChannelTable.get(group);
if (null != channelTable && !channelTable.isEmpty()) {
ClientChannelInfo old = channelTable.remove(clientChannelInfo.getChannel());
if (old != null) {
log.info("unregister a producer[{}] from groupChannelTable {}", group,
clientChannelInfo.toString());
}
if (channelTable.isEmpty()) {
this.groupChannelTable.remove(group);
log.info("unregister a producer group[{}] from groupChannelTable", group);
}
}
} finally {
this.groupChannelLock.unlock();
}
} else {
log.warn("ProducerManager unregisterProducer lock timeout");
}
} catch (InterruptedException e) {
log.error("", e);
}
}
public Channel getAvaliableChannel(String groupId) {
HashMap channelClientChannelInfoHashMap = groupChannelTable.get(groupId);
List channelList = new ArrayList();
if (channelClientChannelInfoHashMap != null) {
for (Channel channel : channelClientChannelInfoHashMap.keySet()) {
channelList.add(channel);
}
int size = channelList.size();
if (0 == size) {
log.warn("Channel list is empty. groupId={}", groupId);
return null;
}
int index = positiveAtomicCounter.incrementAndGet() % size;
Channel channel = channelList.get(index);
int count = 0;
boolean isOk = channel.isActive() && channel.isWritable();
while (count++ < GET_AVALIABLE_CHANNEL_RETRY_COUNT) {
if (isOk) {
return channel;
}
index = (++index) % size;
channel = channelList.get(index);
isOk = channel.isActive() && channel.isWritable();
}
} else {
log.warn("Check transaction failed, channel table is empty. groupId={}", groupId);
return null;
}
return null;
}
}
