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org.apache.rocketmq.store.CommitLog 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.store;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.UnpooledByteBufAllocator;
import org.apache.rocketmq.common.ServiceThread;
import org.apache.rocketmq.common.UtilAll;
import org.apache.rocketmq.common.constant.LoggerName;
import org.apache.rocketmq.common.message.MessageAccessor;
import org.apache.rocketmq.common.message.MessageConst;
import org.apache.rocketmq.common.message.MessageDecoder;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.common.message.MessageExtBatch;
import org.apache.rocketmq.common.sysflag.MessageSysFlag;
import org.apache.rocketmq.common.topic.TopicValidator;
import org.apache.rocketmq.logging.InternalLogger;
import org.apache.rocketmq.logging.InternalLoggerFactory;
import org.apache.rocketmq.store.config.BrokerRole;
import org.apache.rocketmq.store.config.FlushDiskType;
import org.apache.rocketmq.store.config.MessageStoreConfig;
import org.apache.rocketmq.store.ha.HAService;
import org.apache.rocketmq.store.schedule.ScheduleMessageService;
import java.net.Inet6Address;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Supplier;
/**
* Store all metadata downtime for recovery, data protection reliability
*/
public class CommitLog {
// Message's MAGIC CODE daa320a7
public final static int MESSAGE_MAGIC_CODE = -626843481;
protected static final InternalLogger log = InternalLoggerFactory.getLogger(LoggerName.STORE_LOGGER_NAME);
// End of file empty MAGIC CODE cbd43194
protected final static int BLANK_MAGIC_CODE = -875286124;
protected final MappedFileQueue mappedFileQueue;
protected final DefaultMessageStore defaultMessageStore;
private final FlushCommitLogService flushCommitLogService;
//If TransientStorePool enabled, we must flush message to FileChannel at fixed periods
private final FlushCommitLogService commitLogService;
private final AppendMessageCallback appendMessageCallback;
private final ThreadLocal putMessageThreadLocal;
protected HashMap(1024);
protected Map fullStorePaths = Collections.emptySet();
protected final MultiDispatch multiDispatch;
private final FlushDiskWatcher flushDiskWatcher;
public CommitLog(final DefaultMessageStore defaultMessageStore) {
String storePath = defaultMessageStore.getMessageStoreConfig().getStorePathCommitLog();
if (storePath.contains(MessageStoreConfig.MULTI_PATH_SPLITTER)) {
this.mappedFileQueue = new MultiPathMappedFileQueue(defaultMessageStore.getMessageStoreConfig(),
defaultMessageStore.getMessageStoreConfig().getMappedFileSizeCommitLog(),
defaultMessageStore.getAllocateMappedFileService(), this::getFullStorePaths);
} else {
this.mappedFileQueue = new MappedFileQueue(storePath,
defaultMessageStore.getMessageStoreConfig().getMappedFileSizeCommitLog(),
defaultMessageStore.getAllocateMappedFileService());
}
this.defaultMessageStore = defaultMessageStore;
if (FlushDiskType.SYNC_FLUSH == defaultMessageStore.getMessageStoreConfig().getFlushDiskType()) {
this.flushCommitLogService = new GroupCommitService();
} else {
this.flushCommitLogService = new FlushRealTimeService();
}
this.commitLogService = new CommitRealTimeService();
this.appendMessageCallback = new DefaultAppendMessageCallback();
putMessageThreadLocal = new ThreadLocal() {
@Override
protected PutMessageThreadLocal initialValue() {
return new PutMessageThreadLocal(defaultMessageStore.getMessageStoreConfig().getMaxMessageSize());
}
};
this.putMessageLock = defaultMessageStore.getMessageStoreConfig().isUseReentrantLockWhenPutMessage() ? new PutMessageReentrantLock() : new PutMessageSpinLock();
this.multiDispatch = new MultiDispatch(defaultMessageStore, this);
flushDiskWatcher = new FlushDiskWatcher();
}
public void setFullStorePaths(Set fullStorePaths) {
this.fullStorePaths = fullStorePaths;
}
public Set getFullStorePaths() {
return fullStorePaths;
}
public ThreadLocal getPutMessageThreadLocal() {
return putMessageThreadLocal;
}
public boolean load() {
boolean result = this.mappedFileQueue.load();
log.info("load commit log " + (result ? "OK" : "Failed"));
return result;
}
public void start() {
this.flushCommitLogService.start();
flushDiskWatcher.setDaemon(true);
flushDiskWatcher.start();
if (defaultMessageStore.getMessageStoreConfig().isTransientStorePoolEnable()) {
this.commitLogService.start();
}
}
public void shutdown() {
if (defaultMessageStore.getMessageStoreConfig().isTransientStorePoolEnable()) {
this.commitLogService.shutdown();
}
this.flushCommitLogService.shutdown();
flushDiskWatcher.shutdown(true);
}
public long flush() {
this.mappedFileQueue.commit(0);
this.mappedFileQueue.flush(0);
return this.mappedFileQueue.getFlushedWhere();
}
public long getMaxOffset() {
return this.mappedFileQueue.getMaxOffset();
}
public long remainHowManyDataToCommit() {
return this.mappedFileQueue.remainHowManyDataToCommit();
}
public long remainHowManyDataToFlush() {
return this.mappedFileQueue.remainHowManyDataToFlush();
}
public int deleteExpiredFile(
final long expiredTime,
final int deleteFilesInterval,
final long intervalForcibly,
final boolean cleanImmediately
) {
return this.mappedFileQueue.deleteExpiredFileByTime(expiredTime, deleteFilesInterval, intervalForcibly, cleanImmediately);
}
/**
* Read CommitLog data, use data replication
*/
public SelectMappedBufferResult getData(final long offset) {
return this.getData(offset, offset == 0);
}
public SelectMappedBufferResult getData(final long offset, final boolean returnFirstOnNotFound) {
int mappedFileSize = this.defaultMessageStore.getMessageStoreConfig().getMappedFileSizeCommitLog();
MappedFile mappedFile = this.mappedFileQueue.findMappedFileByOffset(offset, returnFirstOnNotFound);
if (mappedFile != null) {
int pos = (int) (offset % mappedFileSize);
SelectMappedBufferResult result = mappedFile.selectMappedBuffer(pos);
return result;
}
return null;
}
/**
* When the normal exit, data recovery, all memory data have been flush
*/
public void recoverNormally(long maxPhyOffsetOfConsumeQueue) {
boolean checkCRCOnRecover = this.defaultMessageStore.getMessageStoreConfig().isCheckCRCOnRecover();
final List mappedFiles = this.mappedFileQueue.getMappedFiles();
if (!mappedFiles.isEmpty()) {
// Began to recover from the last third file
int index = mappedFiles.size() - 3;
if (index < 0)
index = 0;
MappedFile mappedFile = mappedFiles.get(index);
ByteBuffer byteBuffer = mappedFile.sliceByteBuffer();
long processOffset = mappedFile.getFileFromOffset();
long mappedFileOffset = 0;
while (true) {
DispatchRequest dispatchRequest = this.checkMessageAndReturnSize(byteBuffer, checkCRCOnRecover);
int size = dispatchRequest.getMsgSize();
// Normal data
if (dispatchRequest.isSuccess() && size > 0) {
mappedFileOffset += size;
}
// Come the end of the file, switch to the next file Since the
// return 0 representatives met last hole,
// this can not be included in truncate offset
else if (dispatchRequest.isSuccess() && size == 0) {
index++;
if (index >= mappedFiles.size()) {
// Current branch can not happen
log.info("recover last 3 physics file over, last mapped file " + mappedFile.getFileName());
break;
} else {
mappedFile = mappedFiles.get(index);
byteBuffer = mappedFile.sliceByteBuffer();
processOffset = mappedFile.getFileFromOffset();
mappedFileOffset = 0;
log.info("recover next physics file, " + mappedFile.getFileName());
}
}
// Intermediate file read error
else if (!dispatchRequest.isSuccess()) {
log.info("recover physics file end, " + mappedFile.getFileName());
break;
}
}
processOffset += mappedFileOffset;
this.mappedFileQueue.setFlushedWhere(processOffset);
this.mappedFileQueue.setCommittedWhere(processOffset);
this.mappedFileQueue.truncateDirtyFiles(processOffset);
// Clear ConsumeQueue redundant data
if (maxPhyOffsetOfConsumeQueue >= processOffset) {
log.warn("maxPhyOffsetOfConsumeQueue({}) >= processOffset({}), truncate dirty logic files", maxPhyOffsetOfConsumeQueue, processOffset);
this.defaultMessageStore.truncateDirtyLogicFiles(processOffset);
}
} else {
// Commitlog case files are deleted
log.warn("The commitlog files are deleted, and delete the consume queue files");
this.mappedFileQueue.setFlushedWhere(0);
this.mappedFileQueue.setCommittedWhere(0);
this.defaultMessageStore.destroyLogics();
}
}
public DispatchRequest checkMessageAndReturnSize(java.nio.ByteBuffer byteBuffer, final boolean checkCRC) {
return this.checkMessageAndReturnSize(byteBuffer, checkCRC, true);
}
private void doNothingForDeadCode(final Object obj) {
if (obj != null) {
log.debug(String.valueOf(obj.hashCode()));
}
}
/**
* check the message and returns the message size
*
* @return 0 Come the end of the file // >0 Normal messages // -1 Message checksum failure
*/
public DispatchRequest checkMessageAndReturnSize(java.nio.ByteBuffer byteBuffer, final boolean checkCRC,
final boolean readBody) {
try {
// 1 TOTAL SIZE
int totalSize = byteBuffer.getInt();
// 2 MAGIC CODE
int magicCode = byteBuffer.getInt();
switch (magicCode) {
case MESSAGE_MAGIC_CODE:
break;
case BLANK_MAGIC_CODE:
return new DispatchRequest(0, true /* success */);
default:
log.warn("found a illegal magic code 0x" + Integer.toHexString(magicCode));
return new DispatchRequest(-1, false /* success */);
}
byte[] bytesContent = new byte[totalSize];
int bodyCRC = byteBuffer.getInt();
int queueId = byteBuffer.getInt();
int flag = byteBuffer.getInt();
long queueOffset = byteBuffer.getLong();
long physicOffset = byteBuffer.getLong();
int sysFlag = byteBuffer.getInt();
long bornTimeStamp = byteBuffer.getLong();
ByteBuffer byteBuffer1;
if ((sysFlag & MessageSysFlag.BORNHOST_V6_FLAG) == 0) {
byteBuffer1 = byteBuffer.get(bytesContent, 0, 4 + 4);
} else {
byteBuffer1 = byteBuffer.get(bytesContent, 0, 16 + 4);
}
long storeTimestamp = byteBuffer.getLong();
ByteBuffer byteBuffer2;
if ((sysFlag & MessageSysFlag.STOREHOSTADDRESS_V6_FLAG) == 0) {
byteBuffer2 = byteBuffer.get(bytesContent, 0, 4 + 4);
} else {
byteBuffer2 = byteBuffer.get(bytesContent, 0, 16 + 4);
}
int reconsumeTimes = byteBuffer.getInt();
long preparedTransactionOffset = byteBuffer.getLong();
int bodyLen = byteBuffer.getInt();
if (bodyLen > 0) {
if (readBody) {
byteBuffer.get(bytesContent, 0, bodyLen);
if (checkCRC) {
int crc = UtilAll.crc32(bytesContent, 0, bodyLen);
if (crc != bodyCRC) {
log.warn("CRC check failed. bodyCRC={}, currentCRC={}", crc, bodyCRC);
return new DispatchRequest(-1, false/* success */);
}
}
} else {
byteBuffer.position(byteBuffer.position() + bodyLen);
}
}
byte topicLen = byteBuffer.get();
byteBuffer.get(bytesContent, 0, topicLen);
String topic = new String(bytesContent, 0, topicLen, MessageDecoder.CHARSET_UTF8);
long tagsCode = 0;
String keys = "";
String uniqKey = null;
short propertiesLength = byteBuffer.getShort();
Map propertiesMap = null;
if (propertiesLength > 0) {
byteBuffer.get(bytesContent, 0, propertiesLength);
String properties = new String(bytesContent, 0, propertiesLength, MessageDecoder.CHARSET_UTF8);
propertiesMap = MessageDecoder.string2messageProperties(properties);
keys = propertiesMap.get(MessageConst.PROPERTY_KEYS);
uniqKey = propertiesMap.get(MessageConst.PROPERTY_UNIQ_CLIENT_MESSAGE_ID_KEYIDX);
String tags = propertiesMap.get(MessageConst.PROPERTY_TAGS);
if (tags != null && tags.length() > 0) {
tagsCode = MessageExtBrokerInner.tagsString2tagsCode(MessageExt.parseTopicFilterType(sysFlag), tags);
}
// Timing message processing
{
String t = propertiesMap.get(MessageConst.PROPERTY_DELAY_TIME_LEVEL);
if (TopicValidator.RMQ_SYS_SCHEDULE_TOPIC.equals(topic) && t != null) {
int delayLevel = Integer.parseInt(t);
if (delayLevel > this.defaultMessageStore.getScheduleMessageService().getMaxDelayLevel()) {
delayLevel = this.defaultMessageStore.getScheduleMessageService().getMaxDelayLevel();
}
if (delayLevel > 0) {
tagsCode = this.defaultMessageStore.getScheduleMessageService().computeDeliverTimestamp(delayLevel,
storeTimestamp);
}
}
}
}
int readLength = calMsgLength(sysFlag, bodyLen, topicLen, propertiesLength);
if (totalSize != readLength) {
doNothingForDeadCode(reconsumeTimes);
doNothingForDeadCode(flag);
doNothingForDeadCode(bornTimeStamp);
doNothingForDeadCode(byteBuffer1);
doNothingForDeadCode(byteBuffer2);
log.error(
"[BUG]read total count not equals msg total size. totalSize={}, readTotalCount={}, bodyLen={}, topicLen={}, propertiesLength={}",
totalSize, readLength, bodyLen, topicLen, propertiesLength);
return new DispatchRequest(totalSize, false/* success */);
}
return new DispatchRequest(
topic,
queueId,
physicOffset,
totalSize,
tagsCode,
storeTimestamp,
queueOffset,
keys,
uniqKey,
sysFlag,
preparedTransactionOffset,
propertiesMap
);
} catch (Exception e) {
}
return new DispatchRequest(-1, false /* success */);
}
protected static int calMsgLength(int sysFlag, int bodyLength, int topicLength, int propertiesLength) {
int bornhostLength = (sysFlag & MessageSysFlag.BORNHOST_V6_FLAG) == 0 ? 8 : 20;
int storehostAddressLength = (sysFlag & MessageSysFlag.STOREHOSTADDRESS_V6_FLAG) == 0 ? 8 : 20;
final int msgLen = 4 //TOTALSIZE
+ 4 //MAGICCODE
+ 4 //BODYCRC
+ 4 //QUEUEID
+ 4 //FLAG
+ 8 //QUEUEOFFSET
+ 8 //PHYSICALOFFSET
+ 4 //SYSFLAG
+ 8 //BORNTIMESTAMP
+ bornhostLength //BORNHOST
+ 8 //STORETIMESTAMP
+ storehostAddressLength //STOREHOSTADDRESS
+ 4 //RECONSUMETIMES
+ 8 //Prepared Transaction Offset
+ 4 + (bodyLength > 0 ? bodyLength : 0) //BODY
+ 1 + topicLength //TOPIC
+ 2 + (propertiesLength > 0 ? propertiesLength : 0) //propertiesLength
+ 0;
return msgLen;
}
public long getConfirmOffset() {
return this.confirmOffset;
}
public void setConfirmOffset(long phyOffset) {
this.confirmOffset = phyOffset;
}
@Deprecated
public void recoverAbnormally(long maxPhyOffsetOfConsumeQueue) {
// recover by the minimum time stamp
boolean checkCRCOnRecover = this.defaultMessageStore.getMessageStoreConfig().isCheckCRCOnRecover();
final List mappedFiles = this.mappedFileQueue.getMappedFiles();
if (!mappedFiles.isEmpty()) {
// Looking beginning to recover from which file
int index = mappedFiles.size() - 1;
MappedFile mappedFile = null;
for (; index >= 0; index--) {
mappedFile = mappedFiles.get(index);
if (this.isMappedFileMatchedRecover(mappedFile)) {
log.info("recover from this mapped file " + mappedFile.getFileName());
break;
}
}
if (index < 0) {
index = 0;
mappedFile = mappedFiles.get(index);
}
ByteBuffer byteBuffer = mappedFile.sliceByteBuffer();
long processOffset = mappedFile.getFileFromOffset();
long mappedFileOffset = 0;
while (true) {
DispatchRequest dispatchRequest = this.checkMessageAndReturnSize(byteBuffer, checkCRCOnRecover);
int size = dispatchRequest.getMsgSize();
if (dispatchRequest.isSuccess()) {
// Normal data
if (size > 0) {
mappedFileOffset += size;
if (this.defaultMessageStore.getMessageStoreConfig().isDuplicationEnable()) {
if (dispatchRequest.getCommitLogOffset() < this.defaultMessageStore.getConfirmOffset()) {
this.defaultMessageStore.doDispatch(dispatchRequest);
}
} else {
this.defaultMessageStore.doDispatch(dispatchRequest);
}
}
// Come the end of the file, switch to the next file
// Since the return 0 representatives met last hole, this can
// not be included in truncate offset
else if (size == 0) {
index++;
if (index >= mappedFiles.size()) {
// The current branch under normal circumstances should
// not happen
log.info("recover physics file over, last mapped file " + mappedFile.getFileName());
break;
} else {
mappedFile = mappedFiles.get(index);
byteBuffer = mappedFile.sliceByteBuffer();
processOffset = mappedFile.getFileFromOffset();
mappedFileOffset = 0;
log.info("recover next physics file, " + mappedFile.getFileName());
}
}
} else {
log.info("recover physics file end, " + mappedFile.getFileName() + " pos=" + byteBuffer.position());
break;
}
}
processOffset += mappedFileOffset;
this.mappedFileQueue.setFlushedWhere(processOffset);
this.mappedFileQueue.setCommittedWhere(processOffset);
this.mappedFileQueue.truncateDirtyFiles(processOffset);
// Clear ConsumeQueue redundant data
if (maxPhyOffsetOfConsumeQueue >= processOffset) {
log.warn("maxPhyOffsetOfConsumeQueue({}) >= processOffset({}), truncate dirty logic files", maxPhyOffsetOfConsumeQueue, processOffset);
this.defaultMessageStore.truncateDirtyLogicFiles(processOffset);
}
}
// Commitlog case files are deleted
else {
log.warn("The commitlog files are deleted, and delete the consume queue files");
this.mappedFileQueue.setFlushedWhere(0);
this.mappedFileQueue.setCommittedWhere(0);
this.defaultMessageStore.destroyLogics();
}
}
private boolean isMappedFileMatchedRecover(final MappedFile mappedFile) {
ByteBuffer byteBuffer = mappedFile.sliceByteBuffer();
int magicCode = byteBuffer.getInt(MessageDecoder.MESSAGE_MAGIC_CODE_POSTION);
if (magicCode != MESSAGE_MAGIC_CODE) {
return false;
}
int sysFlag = byteBuffer.getInt(MessageDecoder.SYSFLAG_POSITION);
int bornhostLength = (sysFlag & MessageSysFlag.BORNHOST_V6_FLAG) == 0 ? 8 : 20;
int msgStoreTimePos = 4 + 4 + 4 + 4 + 4 + 8 + 8 + 4 + 8 + bornhostLength;
long storeTimestamp = byteBuffer.getLong(msgStoreTimePos);
if (0 == storeTimestamp) {
return false;
}
if (this.defaultMessageStore.getMessageStoreConfig().isMessageIndexEnable()
&& this.defaultMessageStore.getMessageStoreConfig().isMessageIndexSafe()) {
if (storeTimestamp <= this.defaultMessageStore.getStoreCheckpoint().getMinTimestampIndex()) {
log.info("find check timestamp, {} {}",
storeTimestamp,
UtilAll.timeMillisToHumanString(storeTimestamp));
return true;
}
} else {
if (storeTimestamp <= this.defaultMessageStore.getStoreCheckpoint().getMinTimestamp()) {
log.info("find check timestamp, {} {}",
storeTimestamp,
UtilAll.timeMillisToHumanString(storeTimestamp));
return true;
}
}
return false;
}
private void notifyMessageArriving() {
}
public boolean resetOffset(long offset) {
return this.mappedFileQueue.resetOffset(offset);
}
public long getBeginTimeInLock() {
return beginTimeInLock;
}
private String generateKey(StringBuilder keyBuilder, MessageExt messageExt) {
keyBuilder.setLength(0);
keyBuilder.append(messageExt.getTopic());
keyBuilder.append('-');
keyBuilder.append(messageExt.getQueueId());
return keyBuilder.toString();
}
public CompletableFuture asyncPutMessage(final MessageExtBrokerInner msg) {
// Set the storage time
msg.setStoreTimestamp(System.currentTimeMillis());
// Set the message body BODY CRC (consider the most appropriate setting
// on the client)
msg.setBodyCRC(UtilAll.crc32(msg.getBody()));
// Back to Results
AppendMessageResult result = null;
StoreStatsService storeStatsService = this.defaultMessageStore.getStoreStatsService();
String topic = msg.getTopic();
// int queueId msg.getQueueId();
final int tranType = MessageSysFlag.getTransactionValue(msg.getSysFlag());
if (tranType == MessageSysFlag.TRANSACTION_NOT_TYPE
|| tranType == MessageSysFlag.TRANSACTION_COMMIT_TYPE) {
// Delay Delivery
if (msg.getDelayTimeLevel() > 0) {
if (msg.getDelayTimeLevel() > this.defaultMessageStore.getScheduleMessageService().getMaxDelayLevel()) {
msg.setDelayTimeLevel(this.defaultMessageStore.getScheduleMessageService().getMaxDelayLevel());
}
topic = TopicValidator.RMQ_SYS_SCHEDULE_TOPIC;
int queueId = ScheduleMessageService.delayLevel2QueueId(msg.getDelayTimeLevel());
// Backup real topic, queueId
MessageAccessor.putProperty(msg, MessageConst.PROPERTY_REAL_TOPIC, msg.getTopic());
MessageAccessor.putProperty(msg, MessageConst.PROPERTY_REAL_QUEUE_ID, String.valueOf(msg.getQueueId()));
msg.setPropertiesString(MessageDecoder.messageProperties2String(msg.getProperties()));
msg.setTopic(topic);
msg.setQueueId(queueId);
}
}
InetSocketAddress bornSocketAddress = (InetSocketAddress) msg.getBornHost();
if (bornSocketAddress.getAddress() instanceof Inet6Address) {
msg.setBornHostV6Flag();
}
InetSocketAddress storeSocketAddress = (InetSocketAddress) msg.getStoreHost();
if (storeSocketAddress.getAddress() instanceof Inet6Address) {
msg.setStoreHostAddressV6Flag();
}
PutMessageThreadLocal putMessageThreadLocal = this.putMessageThreadLocal.get();
if (!multiDispatch.isMultiDispatchMsg(msg)) {
PutMessageResult encodeResult = putMessageThreadLocal.getEncoder().encode(msg);
if (encodeResult != null) {
return CompletableFuture.completedFuture(encodeResult);
}
msg.setEncodedBuff(putMessageThreadLocal.getEncoder().getEncoderBuffer());
}
PutMessageContext putMessageContext = new PutMessageContext(generateKey(putMessageThreadLocal.getKeyBuilder(), msg));
long elapsedTimeInLock = 0;
MappedFile unlockMappedFile = null;
putMessageLock.lock(); //spin or ReentrantLock ,depending on store config
try {
MappedFile mappedFile = this.mappedFileQueue.getLastMappedFile();
long beginLockTimestamp = this.defaultMessageStore.getSystemClock().now();
this.beginTimeInLock = beginLockTimestamp;
// Here settings are stored timestamp, in order to ensure an orderly
// global
msg.setStoreTimestamp(beginLockTimestamp);
if (null == mappedFile || mappedFile.isFull()) {
mappedFile = this.mappedFileQueue.getLastMappedFile(0); // Mark: NewFile may be cause noise
}
if (null == mappedFile) {
log.error("create mapped file1 error, topic: " + msg.getTopic() + " clientAddr: " + msg.getBornHostString());
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.CREATE_MAPEDFILE_FAILED, null));
}
result = mappedFile.appendMessage(msg, this.appendMessageCallback, putMessageContext);
switch (result.getStatus()) {
case PUT_OK:
break;
case END_OF_FILE:
unlockMappedFile = mappedFile;
// Create a new file, re-write the message
mappedFile = this.mappedFileQueue.getLastMappedFile(0);
if (null == mappedFile) {
// XXX: warn and notify me
log.error("create mapped file2 error, topic: " + msg.getTopic() + " clientAddr: " + msg.getBornHostString());
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.CREATE_MAPEDFILE_FAILED, result));
}
result = mappedFile.appendMessage(msg, this.appendMessageCallback, putMessageContext);
break;
case MESSAGE_SIZE_EXCEEDED:
case PROPERTIES_SIZE_EXCEEDED:
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.MESSAGE_ILLEGAL, result));
case UNKNOWN_ERROR:
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.UNKNOWN_ERROR, result));
default:
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.UNKNOWN_ERROR, result));
}
elapsedTimeInLock = this.defaultMessageStore.getSystemClock().now() - beginLockTimestamp;
} finally {
beginTimeInLock = 0;
putMessageLock.unlock();
}
if (elapsedTimeInLock > 500) {
log.warn("[NOTIFYME]putMessage in lock cost time(ms)={}, bodyLength={} AppendMessageResult={}", elapsedTimeInLock, msg.getBody().length, result);
}
if (null != unlockMappedFile && this.defaultMessageStore.getMessageStoreConfig().isWarmMapedFileEnable()) {
this.defaultMessageStore.unlockMappedFile(unlockMappedFile);
}
PutMessageResult putMessageResult = new PutMessageResult(PutMessageStatus.PUT_OK, result);
// Statistics
storeStatsService.getSinglePutMessageTopicTimesTotal(msg.getTopic()).add(1);
storeStatsService.getSinglePutMessageTopicSizeTotal(topic).add(result.getWroteBytes());
CompletableFuture flushResultFuture = submitFlushRequest(result, msg);
CompletableFuture replicaResultFuture = submitReplicaRequest(result, msg);
return flushResultFuture.thenCombine(replicaResultFuture, (flushStatus, replicaStatus) -> {
if (flushStatus != PutMessageStatus.PUT_OK) {
putMessageResult.setPutMessageStatus(flushStatus);
}
if (replicaStatus != PutMessageStatus.PUT_OK) {
putMessageResult.setPutMessageStatus(replicaStatus);
}
return putMessageResult;
});
}
public CompletableFuture asyncPutMessages(final MessageExtBatch messageExtBatch) {
messageExtBatch.setStoreTimestamp(System.currentTimeMillis());
AppendMessageResult result;
StoreStatsService storeStatsService = this.defaultMessageStore.getStoreStatsService();
final int tranType = MessageSysFlag.getTransactionValue(messageExtBatch.getSysFlag());
if (tranType != MessageSysFlag.TRANSACTION_NOT_TYPE) {
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.MESSAGE_ILLEGAL, null));
}
if (messageExtBatch.getDelayTimeLevel() > 0) {
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.MESSAGE_ILLEGAL, null));
}
InetSocketAddress bornSocketAddress = (InetSocketAddress) messageExtBatch.getBornHost();
if (bornSocketAddress.getAddress() instanceof Inet6Address) {
messageExtBatch.setBornHostV6Flag();
}
InetSocketAddress storeSocketAddress = (InetSocketAddress) messageExtBatch.getStoreHost();
if (storeSocketAddress.getAddress() instanceof Inet6Address) {
messageExtBatch.setStoreHostAddressV6Flag();
}
long elapsedTimeInLock = 0;
MappedFile unlockMappedFile = null;
MappedFile mappedFile = this.mappedFileQueue.getLastMappedFile();
//fine-grained lock instead of the coarse-grained
PutMessageThreadLocal pmThreadLocal = this.putMessageThreadLocal.get();
MessageExtEncoder batchEncoder = pmThreadLocal.getEncoder();
PutMessageContext putMessageContext = new PutMessageContext(generateKey(pmThreadLocal.getKeyBuilder(), messageExtBatch));
messageExtBatch.setEncodedBuff(batchEncoder.encode(messageExtBatch, putMessageContext));
putMessageLock.lock();
try {
long beginLockTimestamp = this.defaultMessageStore.getSystemClock().now();
this.beginTimeInLock = beginLockTimestamp;
// Here settings are stored timestamp, in order to ensure an orderly
// global
messageExtBatch.setStoreTimestamp(beginLockTimestamp);
if (null == mappedFile || mappedFile.isFull()) {
mappedFile = this.mappedFileQueue.getLastMappedFile(0); // Mark: NewFile may be cause noise
}
if (null == mappedFile) {
log.error("Create mapped file1 error, topic: {} clientAddr: {}", messageExtBatch.getTopic(), messageExtBatch.getBornHostString());
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.CREATE_MAPEDFILE_FAILED, null));
}
result = mappedFile.appendMessages(messageExtBatch, this.appendMessageCallback, putMessageContext);
switch (result.getStatus()) {
case PUT_OK:
break;
case END_OF_FILE:
unlockMappedFile = mappedFile;
// Create a new file, re-write the message
mappedFile = this.mappedFileQueue.getLastMappedFile(0);
if (null == mappedFile) {
// XXX: warn and notify me
log.error("Create mapped file2 error, topic: {} clientAddr: {}", messageExtBatch.getTopic(), messageExtBatch.getBornHostString());
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.CREATE_MAPEDFILE_FAILED, result));
}
result = mappedFile.appendMessages(messageExtBatch, this.appendMessageCallback, putMessageContext);
break;
case MESSAGE_SIZE_EXCEEDED:
case PROPERTIES_SIZE_EXCEEDED:
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.MESSAGE_ILLEGAL, result));
case UNKNOWN_ERROR:
default:
return CompletableFuture.completedFuture(new PutMessageResult(PutMessageStatus.UNKNOWN_ERROR, result));
}
elapsedTimeInLock = this.defaultMessageStore.getSystemClock().now() - beginLockTimestamp;
} finally {
beginTimeInLock = 0;
putMessageLock.unlock();
}
if (elapsedTimeInLock > 500) {
log.warn("[NOTIFYME]putMessages in lock cost time(ms)={}, bodyLength={} AppendMessageResult={}", elapsedTimeInLock, messageExtBatch.getBody().length, result);
}
if (null != unlockMappedFile && this.defaultMessageStore.getMessageStoreConfig().isWarmMapedFileEnable()) {
this.defaultMessageStore.unlockMappedFile(unlockMappedFile);
}
PutMessageResult putMessageResult = new PutMessageResult(PutMessageStatus.PUT_OK, result);
// Statistics
storeStatsService.getSinglePutMessageTopicTimesTotal(messageExtBatch.getTopic()).add(result.getMsgNum());
storeStatsService.getSinglePutMessageTopicSizeTotal(messageExtBatch.getTopic()).add(result.getWroteBytes());
CompletableFuture flushOKFuture = submitFlushRequest(result, messageExtBatch);
CompletableFuture replicaOKFuture = submitReplicaRequest(result, messageExtBatch);
return flushOKFuture.thenCombine(replicaOKFuture, (flushStatus, replicaStatus) -> {
if (flushStatus != PutMessageStatus.PUT_OK) {
putMessageResult.setPutMessageStatus(flushStatus);
}
if (replicaStatus != PutMessageStatus.PUT_OK) {
putMessageResult.setPutMessageStatus(replicaStatus);
}
return putMessageResult;
});
}
public CompletableFuture submitFlushRequest(AppendMessageResult result, MessageExt messageExt) {
// Synchronization flush
if (FlushDiskType.SYNC_FLUSH == this.defaultMessageStore.getMessageStoreConfig().getFlushDiskType()) {
final GroupCommitService service = (GroupCommitService) this.flushCommitLogService;
if (messageExt.isWaitStoreMsgOK()) {
GroupCommitRequest request = new GroupCommitRequest(result.getWroteOffset() + result.getWroteBytes(),
this.defaultMessageStore.getMessageStoreConfig().getSyncFlushTimeout());
flushDiskWatcher.add(request);
service.putRequest(request);
return request.future();
} else {
service.wakeup();
return CompletableFuture.completedFuture(PutMessageStatus.PUT_OK);
}
}
// Asynchronous flush
else {
if (!this.defaultMessageStore.getMessageStoreConfig().isTransientStorePoolEnable()) {
flushCommitLogService.wakeup();
} else {
commitLogService.wakeup();
}
return CompletableFuture.completedFuture(PutMessageStatus.PUT_OK);
}
}
public CompletableFuture submitReplicaRequest(AppendMessageResult result, MessageExt messageExt) {
if (BrokerRole.SYNC_MASTER == this.defaultMessageStore.getMessageStoreConfig().getBrokerRole()) {
HAService service = this.defaultMessageStore.getHaService();
if (messageExt.isWaitStoreMsgOK()) {
if (service.isSlaveOK(result.getWroteBytes() + result.getWroteOffset())) {
GroupCommitRequest request = new GroupCommitRequest(result.getWroteOffset() + result.getWroteBytes(),
this.defaultMessageStore.getMessageStoreConfig().getSlaveTimeout());
service.putRequest(request);
service.getWaitNotifyObject().wakeupAll();
return request.future();
}
else {
return CompletableFuture.completedFuture(PutMessageStatus.SLAVE_NOT_AVAILABLE);
}
}
}
return CompletableFuture.completedFuture(PutMessageStatus.PUT_OK);
}
/**
* According to receive certain message or offset storage time if an error occurs, it returns -1
*/
public long pickupStoreTimestamp(final long offset, final int size) {
if (offset >= this.getMinOffset()) {
SelectMappedBufferResult result = this.getMessage(offset, size);
if (null != result) {
try {
int sysFlag = result.getByteBuffer().getInt(MessageDecoder.SYSFLAG_POSITION);
int bornhostLength = (sysFlag & MessageSysFlag.BORNHOST_V6_FLAG) == 0 ? 8 : 20;
int msgStoreTimePos = 4 + 4 + 4 + 4 + 4 + 8 + 8 + 4 + 8 + bornhostLength;
return result.getByteBuffer().getLong(msgStoreTimePos);
} finally {
result.release();
}
}
}
return -1;
}
public long getMinOffset() {
MappedFile mappedFile = this.mappedFileQueue.getFirstMappedFile();
if (mappedFile != null) {
if (mappedFile.isAvailable()) {
return mappedFile.getFileFromOffset();
} else {
return this.rollNextFile(mappedFile.getFileFromOffset());
}
}
return -1;
}
public SelectMappedBufferResult getMessage(final long offset, final int size) {
int mappedFileSize = this.defaultMessageStore.getMessageStoreConfig().getMappedFileSizeCommitLog();
MappedFile mappedFile = this.mappedFileQueue.findMappedFileByOffset(offset, offset == 0);
if (mappedFile != null) {
int pos = (int) (offset % mappedFileSize);
return mappedFile.selectMappedBuffer(pos, size);
}
return null;
}
public long rollNextFile(final long offset) {
int mappedFileSize = this.defaultMessageStore.getMessageStoreConfig().getMappedFileSizeCommitLog();
return offset + mappedFileSize - offset % mappedFileSize;
}
public HashMap getTopicQueueTable() {
return topicQueueTable;
}
public void setTopicQueueTable(HashMap topicQueueTable) {
this.topicQueueTable = topicQueueTable;
}
public void destroy() {
this.mappedFileQueue.destroy();
}
public boolean appendData(long startOffset, byte[] data, int dataStart, int dataLength) {
putMessageLock.lock();
try {
MappedFile mappedFile = this.mappedFileQueue.getLastMappedFile(startOffset);
if (null == mappedFile) {
log.error("appendData getLastMappedFile error " + startOffset);
return false;
}
return mappedFile.appendMessage(data, dataStart, dataLength);
} finally {
putMessageLock.unlock();
}
}
public boolean retryDeleteFirstFile(final long intervalForcibly) {
return this.mappedFileQueue.retryDeleteFirstFile(intervalForcibly);
}
public void removeQueueFromTopicQueueTable(final String topic, final int queueId) {
String key = topic + "-" + queueId;
synchronized (this) {
this.topicQueueTable.remove(key);
this.lmqTopicQueueTable.remove(key);
}
log.info("removeQueueFromTopicQueueTable OK Topic: {} QueueId: {}", topic, queueId);
}
public void checkSelf() {
mappedFileQueue.checkSelf();
}
public long lockTimeMills() {
long diff = 0;
long begin = this.beginTimeInLock;
if (begin > 0) {
diff = this.defaultMessageStore.now() - begin;
}
if (diff < 0) {
diff = 0;
}
return diff;
}
public Map getLmqTopicQueueTable() {
return this.lmqTopicQueueTable;
}
abstract class FlushCommitLogService extends ServiceThread {
protected static final int RETRY_TIMES_OVER = 10;
}
class CommitRealTimeService extends FlushCommitLogService {
private long lastCommitTimestamp = 0;
@Override
public String getServiceName() {
return CommitRealTimeService.class.getSimpleName();
}
@Override
public void run() {
CommitLog.log.info(this.getServiceName() + " service started");
while (!this.isStopped()) {
int interval = CommitLog.this.defaultMessageStore.getMessageStoreConfig().getCommitIntervalCommitLog();
int commitDataLeastPages = CommitLog.this.defaultMessageStore.getMessageStoreConfig().getCommitCommitLogLeastPages();
int commitDataThoroughInterval =
CommitLog.this.defaultMessageStore.getMessageStoreConfig().getCommitCommitLogThoroughInterval();
long begin = System.currentTimeMillis();
if (begin >= (this.lastCommitTimestamp + commitDataThoroughInterval)) {
this.lastCommitTimestamp = begin;
commitDataLeastPages = 0;
}
try {
boolean result = CommitLog.this.mappedFileQueue.commit(commitDataLeastPages);
long end = System.currentTimeMillis();
if (!result) {
this.lastCommitTimestamp = end; // result = false means some data committed.
//now wake up flush thread.
flushCommitLogService.wakeup();
}
if (end - begin > 500) {
log.info("Commit data to file costs {} ms", end - begin);
}
this.waitForRunning(interval);
} catch (Throwable e) {
CommitLog.log.error(this.getServiceName() + " service has exception. ", e);
}
}
boolean result = false;
for (int i = 0; i < RETRY_TIMES_OVER && !result; i++) {
result = CommitLog.this.mappedFileQueue.commit(0);
CommitLog.log.info(this.getServiceName() + " service shutdown, retry " + (i + 1) + " times " + (result ? "OK" : "Not OK"));
}
CommitLog.log.info(this.getServiceName() + " service end");
}
}
class FlushRealTimeService extends FlushCommitLogService {
private long lastFlushTimestamp = 0;
private long printTimes = 0;
public void run() {
CommitLog.log.info(this.getServiceName() + " service started");
while (!this.isStopped()) {
boolean flushCommitLogTimed = CommitLog.this.defaultMessageStore.getMessageStoreConfig().isFlushCommitLogTimed();
int interval = CommitLog.this.defaultMessageStore.getMessageStoreConfig().getFlushIntervalCommitLog();
int flushPhysicQueueLeastPages = CommitLog.this.defaultMessageStore.getMessageStoreConfig().getFlushCommitLogLeastPages();
int flushPhysicQueueThoroughInterval =
CommitLog.this.defaultMessageStore.getMessageStoreConfig().getFlushCommitLogThoroughInterval();
boolean printFlushProgress = false;
// Print flush progress
long currentTimeMillis = System.currentTimeMillis();
if (currentTimeMillis >= (this.lastFlushTimestamp + flushPhysicQueueThoroughInterval)) {
this.lastFlushTimestamp = currentTimeMillis;
flushPhysicQueueLeastPages = 0;
printFlushProgress = (printTimes++ % 10) == 0;
}
try {
if (flushCommitLogTimed) {
Thread.sleep(interval);
} else {
this.waitForRunning(interval);
}
if (printFlushProgress) {
this.printFlushProgress();
}
long begin = System.currentTimeMillis();
CommitLog.this.mappedFileQueue.flush(flushPhysicQueueLeastPages);
long storeTimestamp = CommitLog.this.mappedFileQueue.getStoreTimestamp();
if (storeTimestamp > 0) {
CommitLog.this.defaultMessageStore.getStoreCheckpoint().setPhysicMsgTimestamp(storeTimestamp);
}
long past = System.currentTimeMillis() - begin;
if (past > 500) {
log.info("Flush data to disk costs {} ms", past);
}
} catch (Throwable e) {
CommitLog.log.warn(this.getServiceName() + " service has exception. ", e);
this.printFlushProgress();
}
}
// Normal shutdown, to ensure that all the flush before exit
boolean result = false;
for (int i = 0; i < RETRY_TIMES_OVER && !result; i++) {
result = CommitLog.this.mappedFileQueue.flush(0);
CommitLog.log.info(this.getServiceName() + " service shutdown, retry " + (i + 1) + " times " + (result ? "OK" : "Not OK"));
}
this.printFlushProgress();
CommitLog.log.info(this.getServiceName() + " service end");
}
@Override
public String getServiceName() {
return FlushRealTimeService.class.getSimpleName();
}
private void printFlushProgress() {
// CommitLog.log.info("how much disk fall behind memory, "
// + CommitLog.this.mappedFileQueue.howMuchFallBehind());
}
@Override
public long getJointime() {
return 1000 * 60 * 5;
}
}
public static class GroupCommitRequest {
private final long nextOffset;
private CompletableFuture flushOKFuture = new CompletableFuture<>();
private final long deadLine;
public GroupCommitRequest(long nextOffset, long timeoutMillis) {
this.nextOffset = nextOffset;
this.deadLine = System.nanoTime() + (timeoutMillis * 1_000_000);
}
public long getDeadLine() {
return deadLine;
}
public long getNextOffset() {
return nextOffset;
}
public void wakeupCustomer(final PutMessageStatus putMessageStatus) {
this.flushOKFuture.complete(putMessageStatus);
}
public CompletableFuture future() {
return flushOKFuture;
}
}
/**
* GroupCommit Service
*/
class GroupCommitService extends FlushCommitLogService {
private volatile LinkedList requestsWrite = new LinkedList();
private volatile LinkedList requestsRead = new LinkedList();
private final PutMessageSpinLock lock = new PutMessageSpinLock();
public synchronized void putRequest(final GroupCommitRequest request) {
lock.lock();
try {
this.requestsWrite.add(request);
} finally {
lock.unlock();
}
this.wakeup();
}
private void swapRequests() {
lock.lock();
try {
LinkedList tmp = this.requestsWrite;
this.requestsWrite = this.requestsRead;
this.requestsRead = tmp;
} finally {
lock.unlock();
}
}
private void doCommit() {
if (!this.requestsRead.isEmpty()) {
for (GroupCommitRequest req : this.requestsRead) {
// There may be a message in the next file, so a maximum of
// two times the flush
boolean flushOK = CommitLog.this.mappedFileQueue.getFlushedWhere() >= req.getNextOffset();
for (int i = 0; i < 2 && !flushOK; i++) {
CommitLog.this.mappedFileQueue.flush(0);
flushOK = CommitLog.this.mappedFileQueue.getFlushedWhere() >= req.getNextOffset();
}
req.wakeupCustomer(flushOK ? PutMessageStatus.PUT_OK : PutMessageStatus.FLUSH_DISK_TIMEOUT);
}
long storeTimestamp = CommitLog.this.mappedFileQueue.getStoreTimestamp();
if (storeTimestamp > 0) {
CommitLog.this.defaultMessageStore.getStoreCheckpoint().setPhysicMsgTimestamp(storeTimestamp);
}
this.requestsRead = new LinkedList<>();
} else {
// Because of individual messages is set to not sync flush, it
// will come to this process
CommitLog.this.mappedFileQueue.flush(0);
}
}
public void run() {
CommitLog.log.info(this.getServiceName() + " service started");
while (!this.isStopped()) {
try {
this.waitForRunning(10);
this.doCommit();
} catch (Exception e) {
CommitLog.log.warn(this.getServiceName() + " service has exception. ", e);
}
}
// Under normal circumstances shutdown, wait for the arrival of the
// request, and then flush
try {
Thread.sleep(10);
} catch (InterruptedException e) {
CommitLog.log.warn(this.getServiceName() + " Exception, ", e);
}
synchronized (this) {
this.swapRequests();
}
this.doCommit();
CommitLog.log.info(this.getServiceName() + " service end");
}
@Override
protected void onWaitEnd() {
this.swapRequests();
}
@Override
public String getServiceName() {
return GroupCommitService.class.getSimpleName();
}
@Override
public long getJointime() {
return 1000 * 60 * 5;
}
}
class DefaultAppendMessageCallback implements AppendMessageCallback {
// File at the end of the minimum fixed length empty
private static final int END_FILE_MIN_BLANK_LENGTH = 4 + 4;
// Store the message content
private final ByteBuffer msgStoreItemMemory;
DefaultAppendMessageCallback() {
this.msgStoreItemMemory = ByteBuffer.allocate(END_FILE_MIN_BLANK_LENGTH);
}
public AppendMessageResult doAppend(final long fileFromOffset, final ByteBuffer byteBuffer, final int maxBlank,
final MessageExtBrokerInner msgInner, PutMessageContext putMessageContext) {
// STORETIMESTAMP + STOREHOSTADDRESS + OFFSET msgIdSupplier = () -> {
int sysflag = msgInner.getSysFlag();
int msgIdLen = (sysflag & MessageSysFlag.STOREHOSTADDRESS_V6_FLAG) == 0 ? 4 + 4 + 8 : 16 + 4 + 8;
ByteBuffer msgIdBuffer = ByteBuffer.allocate(msgIdLen);
MessageExt.socketAddress2ByteBuffer(msgInner.getStoreHost(), msgIdBuffer);
msgIdBuffer.clear();//because socketAddress2ByteBuffer flip the buffer
msgIdBuffer.putLong(msgIdLen - 8, wroteOffset);
return UtilAll.bytes2string(msgIdBuffer.array());
};
// Record ConsumeQueue information
String key = putMessageContext.getTopicQueueTableKey();
Long queueOffset = CommitLog.this.topicQueueTable.get(key);
if (null == queueOffset) {
queueOffset = 0L;
CommitLog.this.topicQueueTable.put(key, queueOffset);
}
boolean multiDispatchWrapResult = CommitLog.this.multiDispatch.wrapMultiDispatch(msgInner);
if (!multiDispatchWrapResult) {
return new AppendMessageResult(AppendMessageStatus.UNKNOWN_ERROR);
}
// Transaction messages that require special handling
final int tranType = MessageSysFlag.getTransactionValue(msgInner.getSysFlag());
switch (tranType) {
// Prepared and Rollback message is not consumed, will not enter the
// consumer queue
case MessageSysFlag.TRANSACTION_PREPARED_TYPE:
case MessageSysFlag.TRANSACTION_ROLLBACK_TYPE:
queueOffset = 0L;
break;
case MessageSysFlag.TRANSACTION_NOT_TYPE:
case MessageSysFlag.TRANSACTION_COMMIT_TYPE:
default:
break;
}
ByteBuffer preEncodeBuffer = msgInner.getEncodedBuff();
final int msgLen = preEncodeBuffer.getInt(0);
// Determines whether there is sufficient free space
if ((msgLen + END_FILE_MIN_BLANK_LENGTH) > maxBlank) {
this.msgStoreItemMemory.clear();
// 1 TOTALSIZE
this.msgStoreItemMemory.putInt(maxBlank);
// 2 MAGICCODE
this.msgStoreItemMemory.putInt(CommitLog.BLANK_MAGIC_CODE);
// 3 The remaining space may be any value
// Here the length of the specially set maxBlank
final long beginTimeMills = CommitLog.this.defaultMessageStore.now();
byteBuffer.put(this.msgStoreItemMemory.array(), 0, 8);
return new AppendMessageResult(AppendMessageStatus.END_OF_FILE, wroteOffset,
maxBlank, /* only wrote 8 bytes, but declare wrote maxBlank for compute write position */
msgIdSupplier, msgInner.getStoreTimestamp(),
queueOffset, CommitLog.this.defaultMessageStore.now() - beginTimeMills);
}
int pos = 4 + 4 + 4 + 4 + 4;
// 6 QUEUEOFFSET
preEncodeBuffer.putLong(pos, queueOffset);
pos += 8;
// 7 PHYSICALOFFSET
preEncodeBuffer.putLong(pos, fileFromOffset + byteBuffer.position());
int ipLen = (msgInner.getSysFlag() & MessageSysFlag.BORNHOST_V6_FLAG) == 0 ? 4 + 4 : 16 + 4;
// 8 SYSFLAG, 9 BORNTIMESTAMP, 10 BORNHOST, 11 STORETIMESTAMP
pos += 8 + 4 + 8 + ipLen;
// refresh store time stamp in lock
preEncodeBuffer.putLong(pos, msgInner.getStoreTimestamp());
final long beginTimeMills = CommitLog.this.defaultMessageStore.now();
// Write messages to the queue buffer
byteBuffer.put(preEncodeBuffer);
msgInner.setEncodedBuff(null);
AppendMessageResult result = new AppendMessageResult(AppendMessageStatus.PUT_OK, wroteOffset, msgLen, msgIdSupplier,
msgInner.getStoreTimestamp(), queueOffset, CommitLog.this.defaultMessageStore.now() - beginTimeMills);
switch (tranType) {
case MessageSysFlag.TRANSACTION_PREPARED_TYPE:
case MessageSysFlag.TRANSACTION_ROLLBACK_TYPE:
break;
case MessageSysFlag.TRANSACTION_NOT_TYPE:
case MessageSysFlag.TRANSACTION_COMMIT_TYPE:
// The next update ConsumeQueue information
CommitLog.this.topicQueueTable.put(key, ++queueOffset);
CommitLog.this.multiDispatch.updateMultiQueueOffset(msgInner);
break;
default:
break;
}
return result;
}
public AppendMessageResult doAppend(final long fileFromOffset, final ByteBuffer byteBuffer, final int maxBlank,
final MessageExtBatch messageExtBatch, PutMessageContext putMessageContext) {
byteBuffer.mark();
//physical offset
long wroteOffset = fileFromOffset + byteBuffer.position();
// Record ConsumeQueue information
String key = putMessageContext.getTopicQueueTableKey();
Long queueOffset = CommitLog.this.topicQueueTable.get(key);
if (null == queueOffset) {
queueOffset = 0L;
CommitLog.this.topicQueueTable.put(key, queueOffset);
}
long beginQueueOffset = queueOffset;
int totalMsgLen = 0;
int msgNum = 0;
final long beginTimeMills = CommitLog.this.defaultMessageStore.now();
ByteBuffer messagesByteBuff = messageExtBatch.getEncodedBuff();
int sysFlag = messageExtBatch.getSysFlag();
int bornHostLength = (sysFlag & MessageSysFlag.BORNHOST_V6_FLAG) == 0 ? 4 + 4 : 16 + 4;
int storeHostLength = (sysFlag & MessageSysFlag.STOREHOSTADDRESS_V6_FLAG) == 0 ? 4 + 4 : 16 + 4;
Supplier msgIdSupplier = () -> {
int msgIdLen = storeHostLength + 8;
int batchCount = putMessageContext.getBatchSize();
long[] phyPosArray = putMessageContext.getPhyPos();
ByteBuffer msgIdBuffer = ByteBuffer.allocate(msgIdLen);
MessageExt.socketAddress2ByteBuffer(messageExtBatch.getStoreHost(), msgIdBuffer);
msgIdBuffer.clear();//because socketAddress2ByteBuffer flip the buffer
StringBuilder buffer = new StringBuilder(batchCount * msgIdLen * 2 + batchCount - 1);
for (int i = 0; i < phyPosArray.length; i++) {
msgIdBuffer.putLong(msgIdLen - 8, phyPosArray[i]);
String msgId = UtilAll.bytes2string(msgIdBuffer.array());
if (i != 0) {
buffer.append(',');
}
buffer.append(msgId);
}
return buffer.toString();
};
messagesByteBuff.mark();
int index = 0;
while (messagesByteBuff.hasRemaining()) {
// 1 TOTALSIZE
final int msgPos = messagesByteBuff.position();
final int msgLen = messagesByteBuff.getInt();
totalMsgLen += msgLen;
// Determines whether there is sufficient free space
if ((totalMsgLen + END_FILE_MIN_BLANK_LENGTH) > maxBlank) {
this.msgStoreItemMemory.clear();
// 1 TOTALSIZE
this.msgStoreItemMemory.putInt(maxBlank);
// 2 MAGICCODE
this.msgStoreItemMemory.putInt(CommitLog.BLANK_MAGIC_CODE);
// 3 The remaining space may be any value
//ignore previous read
messagesByteBuff.reset();
// Here the length of the specially set maxBlank
byteBuffer.reset(); //ignore the previous appended messages
byteBuffer.put(this.msgStoreItemMemory.array(), 0, 8);
return new AppendMessageResult(AppendMessageStatus.END_OF_FILE, wroteOffset, maxBlank, msgIdSupplier, messageExtBatch.getStoreTimestamp(),
beginQueueOffset, CommitLog.this.defaultMessageStore.now() - beginTimeMills);
}
//move to add queue offset and commitlog offset
int pos = msgPos + 20;
messagesByteBuff.putLong(pos, queueOffset);
pos += 8;
messagesByteBuff.putLong(pos, wroteOffset + totalMsgLen - msgLen);
// 8 SYSFLAG, 9 BORNTIMESTAMP, 10 BORNHOST, 11 STORETIMESTAMP
pos += 8 + 4 + 8 + bornHostLength;
// refresh store time stamp in lock
messagesByteBuff.putLong(pos, messageExtBatch.getStoreTimestamp());
putMessageContext.getPhyPos()[index++] = wroteOffset + totalMsgLen - msgLen;
queueOffset++;
msgNum++;
messagesByteBuff.position(msgPos + msgLen);
}
messagesByteBuff.position(0);
messagesByteBuff.limit(totalMsgLen);
byteBuffer.put(messagesByteBuff);
messageExtBatch.setEncodedBuff(null);
AppendMessageResult result = new AppendMessageResult(AppendMessageStatus.PUT_OK, wroteOffset, totalMsgLen, msgIdSupplier,
messageExtBatch.getStoreTimestamp(), beginQueueOffset, CommitLog.this.defaultMessageStore.now() - beginTimeMills);
result.setMsgNum(msgNum);
CommitLog.this.topicQueueTable.put(key, queueOffset);
return result;
}
}
public static class MessageExtEncoder {
private final ByteBuf byteBuf;
// The maximum length of the message body.
private final int maxMessageBodySize;
MessageExtEncoder(final int maxMessageBodySize) {
ByteBufAllocator alloc = UnpooledByteBufAllocator.DEFAULT;
byteBuf = alloc.directBuffer(maxMessageBodySize);
this.maxMessageBodySize = maxMessageBodySize;
}
protected PutMessageResult encode(MessageExtBrokerInner msgInner) {
this.byteBuf.clear();
/**
* Serialize message
*/
final byte[] propertiesData =
msgInner.getPropertiesString() == null ? null : msgInner.getPropertiesString().getBytes(MessageDecoder.CHARSET_UTF8);
final int propertiesLength = propertiesData == null ? 0 : propertiesData.length;
if (propertiesLength > Short.MAX_VALUE) {
log.warn("putMessage message properties length too long. length={}", propertiesData.length);
return new PutMessageResult(PutMessageStatus.PROPERTIES_SIZE_EXCEEDED, null);
}
final byte[] topicData = msgInner.getTopic().getBytes(MessageDecoder.CHARSET_UTF8);
final int topicLength = topicData.length;
final int bodyLength = msgInner.getBody() == null ? 0 : msgInner.getBody().length;
final int msgLen = calMsgLength(msgInner.getSysFlag(), bodyLength, topicLength, propertiesLength);
// Exceeds the maximum message
if (bodyLength > this.maxMessageBodySize) {
CommitLog.log.warn("message body size exceeded, msg total size: " + msgLen + ", msg body size: " + bodyLength
+ ", maxMessageSize: " + this.maxMessageBodySize);
return new PutMessageResult(PutMessageStatus.MESSAGE_ILLEGAL, null);
}
// 1 TOTALSIZE
this.byteBuf.writeInt(msgLen);
// 2 MAGICCODE
this.byteBuf.writeInt(CommitLog.MESSAGE_MAGIC_CODE);
// 3 BODYCRC
this.byteBuf.writeInt(msgInner.getBodyCRC());
// 4 QUEUEID
this.byteBuf.writeInt(msgInner.getQueueId());
// 5 FLAG
this.byteBuf.writeInt(msgInner.getFlag());
// 6 QUEUEOFFSET, need update later
this.byteBuf.writeLong(0);
// 7 PHYSICALOFFSET, need update later
this.byteBuf.writeLong(0);
// 8 SYSFLAG
this.byteBuf.writeInt(msgInner.getSysFlag());
// 9 BORNTIMESTAMP
this.byteBuf.writeLong(msgInner.getBornTimestamp());
// 10 BORNHOST
ByteBuffer bornHostBytes = msgInner.getBornHostBytes();
this.byteBuf.writeBytes(bornHostBytes.array());
// 11 STORETIMESTAMP
this.byteBuf.writeLong(msgInner.getStoreTimestamp());
// 12 STOREHOSTADDRESS
ByteBuffer storeHostBytes = msgInner.getStoreHostBytes();
this.byteBuf.writeBytes(storeHostBytes.array());
// 13 RECONSUMETIMES
this.byteBuf.writeInt(msgInner.getReconsumeTimes());
// 14 Prepared Transaction Offset
this.byteBuf.writeLong(msgInner.getPreparedTransactionOffset());
// 15 BODY
this.byteBuf.writeInt(bodyLength);
if (bodyLength > 0)
this.byteBuf.writeBytes(msgInner.getBody());
// 16 TOPIC
this.byteBuf.writeByte((byte) topicLength);
this.byteBuf.writeBytes(topicData);
// 17 PROPERTIES
this.byteBuf.writeShort((short) propertiesLength);
if (propertiesLength > 0)
this.byteBuf.writeBytes(propertiesData);
return null;
}
protected ByteBuffer encode(final MessageExtBatch messageExtBatch, PutMessageContext putMessageContext) {
this.byteBuf.clear();
ByteBuffer messagesByteBuff = messageExtBatch.wrap();
int totalLength = messagesByteBuff.limit();
if (totalLength > this.maxMessageBodySize) {
CommitLog.log.warn("message body size exceeded, msg body size: " + totalLength + ", maxMessageSize: " + this.maxMessageBodySize);
throw new RuntimeException("message size exceeded");
}
// properties from MessageExtBatch
String batchPropStr = MessageDecoder.messageProperties2String(messageExtBatch.getProperties());
final byte[] batchPropData = batchPropStr.getBytes(MessageDecoder.CHARSET_UTF8);
int batchPropDataLen = batchPropData.length;
if (batchPropDataLen > Short.MAX_VALUE) {
CommitLog.log.warn("Properties size of messageExtBatch exceeded, properties size: {}, maxSize: {}.", batchPropDataLen, Short.MAX_VALUE);
throw new RuntimeException("Properties size of messageExtBatch exceeded!");
}
final short batchPropLen = (short) batchPropDataLen;
int batchSize = 0;
while (messagesByteBuff.hasRemaining()) {
batchSize++;
// 1 TOTALSIZE
messagesByteBuff.getInt();
// 2 MAGICCODE
messagesByteBuff.getInt();
// 3 BODYCRC
messagesByteBuff.getInt();
// 4 FLAG
int flag = messagesByteBuff.getInt();
// 5 BODY
int bodyLen = messagesByteBuff.getInt();
int bodyPos = messagesByteBuff.position();
int bodyCrc = UtilAll.crc32(messagesByteBuff.array(), bodyPos, bodyLen);
messagesByteBuff.position(bodyPos + bodyLen);
// 6 properties
short propertiesLen = messagesByteBuff.getShort();
int propertiesPos = messagesByteBuff.position();
messagesByteBuff.position(propertiesPos + propertiesLen);
boolean needAppendLastPropertySeparator = propertiesLen > 0 && batchPropLen > 0
&& messagesByteBuff.get(messagesByteBuff.position() - 1) != MessageDecoder.PROPERTY_SEPARATOR;
final byte[] topicData = messageExtBatch.getTopic().getBytes(MessageDecoder.CHARSET_UTF8);
final int topicLength = topicData.length;
int totalPropLen = needAppendLastPropertySeparator ? propertiesLen + batchPropLen + 1
: propertiesLen + batchPropLen;
final int msgLen = calMsgLength(messageExtBatch.getSysFlag(), bodyLen, topicLength, totalPropLen);
// 1 TOTALSIZE
this.byteBuf.writeInt(msgLen);
// 2 MAGICCODE
this.byteBuf.writeInt(CommitLog.MESSAGE_MAGIC_CODE);
// 3 BODYCRC
this.byteBuf.writeInt(bodyCrc);
// 4 QUEUEID
this.byteBuf.writeInt(messageExtBatch.getQueueId());
// 5 FLAG
this.byteBuf.writeInt(flag);
// 6 QUEUEOFFSET
this.byteBuf.writeLong(0);
// 7 PHYSICALOFFSET
this.byteBuf.writeLong(0);
// 8 SYSFLAG
this.byteBuf.writeInt(messageExtBatch.getSysFlag());
// 9 BORNTIMESTAMP
this.byteBuf.writeLong(messageExtBatch.getBornTimestamp());
// 10 BORNHOST
ByteBuffer bornHostBytes = messageExtBatch.getBornHostBytes();
this.byteBuf.writeBytes(bornHostBytes.array());
// 11 STORETIMESTAMP
this.byteBuf.writeLong(messageExtBatch.getStoreTimestamp());
// 12 STOREHOSTADDRESS
ByteBuffer storeHostBytes = messageExtBatch.getStoreHostBytes();
this.byteBuf.writeBytes(storeHostBytes.array());
// 13 RECONSUMETIMES
this.byteBuf.writeInt(messageExtBatch.getReconsumeTimes());
// 14 Prepared Transaction Offset, batch does not support transaction
this.byteBuf.writeLong(0);
// 15 BODY
this.byteBuf.writeInt(bodyLen);
if (bodyLen > 0)
this.byteBuf.writeBytes(messagesByteBuff.array(), bodyPos, bodyLen);
// 16 TOPIC
this.byteBuf.writeByte((byte) topicLength);
this.byteBuf.writeBytes(topicData);
// 17 PROPERTIES
this.byteBuf.writeShort((short) totalPropLen);
if (propertiesLen > 0) {
this.byteBuf.writeBytes(messagesByteBuff.array(), propertiesPos, propertiesLen);
}
if (batchPropLen > 0) {
if (needAppendLastPropertySeparator) {
this.byteBuf.writeByte((byte) MessageDecoder.PROPERTY_SEPARATOR);
}
this.byteBuf.writeBytes(batchPropData, 0, batchPropLen);
}
}
putMessageContext.setBatchSize(batchSize);
putMessageContext.setPhyPos(new long[batchSize]);
return this.byteBuf.nioBuffer();
}
public ByteBuffer getEncoderBuffer() {
return this.byteBuf.nioBuffer();
}
}
static class PutMessageThreadLocal {
private MessageExtEncoder encoder;
private StringBuilder keyBuilder;
PutMessageThreadLocal(int maxMessageBodySize) {
encoder = new MessageExtEncoder(maxMessageBodySize);
keyBuilder = new StringBuilder();
}
public MessageExtEncoder getEncoder() {
return encoder;
}
public StringBuilder getKeyBuilder() {
return keyBuilder;
}
}
static class PutMessageContext {
private String topicQueueTableKey;
private long[] phyPos;
private int batchSize;
public PutMessageContext(String topicQueueTableKey) {
this.topicQueueTableKey = topicQueueTableKey;
}
public String getTopicQueueTableKey() {
return topicQueueTableKey;
}
public long[] getPhyPos() {
return phyPos;
}
public void setPhyPos(long[] phyPos) {
this.phyPos = phyPos;
}
public int getBatchSize() {
return batchSize;
}
public void setBatchSize(int batchSize) {
this.batchSize = batchSize;
}
}
}
